1 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3 * emit-rtl.c (reset_used_decls): New function.
4 (unshare_all_rtl_again): Call it.
6 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
8 * cpplex.c (maybe_macroexpand): Warn about function-like
9 macros used in non-function context, if -Wtraditional.
11 2000-05-25 Mark Mitchell <mark@codesourcery.com>
13 * recog.c (peephole2_optimize): Use INSN_P.
15 2000-05-25 Richard Henderson <rth@cygnus.com>
17 * ifcvt.c (seq_contains_jump): New.
18 (noce_try_store_flag_constants): Use it to fail conversion.
19 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
21 2000-05-25 Mark Mitchell <mark@codesourcery.com>
23 * except.h (can_throw): Declare it.
24 * except.c (can_throw): Give it external linkage.
25 * resource.c (find_dead_or_set_registers): Use can_throw.
27 2000-05-25 Richard Henderson <rth@cygnus.com>
29 * flow.c (mark_set_1): Don't record conditionally dead memory.
31 2000-05-25 Jan Hubicka <jh@suse.cz>
33 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
34 and pc_set at the place of simplejump_p and condjump_p.
35 * cse.c (record_jump_equiv): Likewise.
36 * emit-rtl.c (emit): Likewise.
37 * explow.c (find_next_ref): Likewise.
38 * flow.c (tidy_fallthru_edge): Likewise.
39 (init_propagate_block_info): Likewise.
40 * gcse.c (delete_null_pointer_checks): Likewise.
41 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
42 dead_or_predicable): Likewise.
43 * integrate.c (copy_insn_list): Likewise.
44 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
45 for_each_insn_in_loop, check_dbra_loop, get_condition,
46 insert_bct, load_mems): Likewise.
47 * resource.c (find_dead_or_set_registers): Likewise.
48 * sibcalls.c (simplejump_p): Likewise.
49 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
51 2000-05-25 David Edelsohn <edelsohn@gnu.org>
53 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
54 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
56 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
57 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
58 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
59 * rs6000.md: Name various internal patterns.
61 2000-05-25 Jan Hubicka <jh@suse.cz>
63 * jump.c (invert_exp_1): Remove first argument, use pc_set
64 to get the expression.
65 (redirect_exp): Make static; redirect only the pc_set expression,
66 remove first argument.
67 (invert_exp): Remove first argument, make static.
68 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
69 any_onlyjump at most places where we originaly did condjump_p
71 (jump_back_p, follow_jumps, thread_jumps): Likewise.
72 (delete_barrier_succesors): Use pc_set.
73 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
74 calls of invert_exp and redirect_exp.
75 * rtl.h (redirect_exp, invert_exp): Remove.
76 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
78 2000-05-25 Richard Henderson <rth@cygnus.com>
80 * stmt.c (expand_end_bindings): Fix thinko last change.
82 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
83 Andrew Haley <aph@cygnus.com>
85 * except.c (func_eh_entry): Add emitted field.
86 (new_eh_region_entry): Set emitted field to 0;
87 (output_exception_table_entry): Only emit previously un-emitted data,
88 and send it to the eh_data section.
89 (output_exception_table): Break out common parts. Output
90 exception table for entire compilation unit to eh_data section.
91 (output_exception_table_data): Common parts of output_exception_table.
92 Send output to eh_data section.
93 (output_function_exception_table): Output exception table data for
94 a single function to eh_data section.
95 (free_exception_table): New external to free the table.
96 * except.h (free_exception_table): Add prototype.
97 (output_function_exception_table): Add prototype.
98 * final.c (final_end_function): Output function exception table
100 (final_scan_insn): Emit any unwind directives for an insn.
102 * frame-dwarf2.c: New file containing all DWARF 2 specific code
104 * frame.c: Remove all DWARF 2 specific code.
105 * config/ia64/frame-ia64.c: New file.
106 (gthread_stuff): Make all gthread available with
108 (dwarf_fde): Define an IA64 struct for dwarf_fde.
109 (__register_frame_info, __register_frame): Move to common area of file.
110 (__register_frame_info_table, __register_frame_table): Move to common i
112 (__deregister_frame_info, __deregister_frame): Move to common area.
113 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
114 (read_uleb128): New version for ia64.
115 (get_unwind_record): Read the next IA-64 unwind record.
116 (read_R_record): Read a region header record.
117 (process_a_b_reg_code): X record helper.
118 (read_X_record): Read an X format record.
119 (read_B_record): Read a B format record.
120 (P3_record_types): List of record types matching the P3 format.
121 (P7_record_types): List of record types matching the P7 format.
122 (P8_record_types): List of record types matching the P8 format.
123 (read_P_record): Read a P format record.
124 (init_ia64_reg_loc): Set default fields for a register.
125 (init_ia64_unwind_frame): Set defaults for all register records.
126 (execute_one_ia64_descriptor): Execute one descriptor record.
127 (rse_address_add): Calculate the position of a local reg in memory.
128 (normalize_reg_loc): Turn a location descriptor into a memory address.
129 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
130 within a specified PC offset range.
131 (get_real_reg_value): Given a register location, retrieve its value.
132 (set_real_reg_value): Change the value of a register location.
133 (copy_reg_value): Copy reg values, if needed.
134 (copy_saved_reg_state): Copy all registers that need to be copied.
135 (process_state_between): Normalize all frame register records that
136 fall within the specified PC range.
137 (frame_translate): Take a processed frame description, and turn
138 everything into addresses.
139 (build_ia64_frame_state ): Find and create frame state record for a PC.
140 (get_personality): Get the personality routine for a given frame.
141 (get_except_table): Get the exception table for a given frame.
142 (record_name): Unwind record names for debugging.
143 (print_record): Print and unwind record.
144 (print_all_records): Print an entire unwind image.
145 (__ia64_backtrace): Print a backtrace.
146 (ia64_backtrace_helper): New function.
147 (__register_frame_info_aux): New function.
148 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
150 * frame.h (enum unw_record_type): New unwind record types.
151 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
152 (struct unw_r_record, unwind_record): New unwind record structs.
153 (struct unwind_info_ptr): Unwind information layout.
154 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
156 (struct ia64_reg_loc): Register location description.
157 (struct ia64_frame_state): Location of all registers in a frame.
158 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
159 * libgcc2.c (__ia64_personality_v1): Personality routine.
160 (__calc_caller_bsp): Calculate the bsp register for the caller's
162 (ia64_throw_helper): Figure out who to return to and set up the
164 (__throw): Throw routine.
166 * output.h (assemble_eh_align, assemble_eh_label): New functions
167 to generate EH info where we want it.
168 (assemble_eh_integer): New function.
169 * toplev.c (compile_file): Output module level exception table for
171 (main): Set exceptions_via_longjump and flag_new_exceptions based
172 on IA64_UNWIND_INFO too.
174 * varasm.c (assemble_eh_label): Generate a label via
175 ASM_OUTPUT_EH_LABEL if it has been specified.
176 (assemble_eh_align): Generate an alignment directive via
177 ASM_OUTPUT_EH_ALIGN if it has been specified.
178 (assemble_eh_label): Generate an integer value via
179 ASM_OUTPUT_EH_type if they have been specified.
180 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
181 (ia64_init_builtins): Add __builtin_ia64_bsp
182 and __builtin_ia64_flushrs.
183 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
184 IA64_BUILTIN_FLUSHRS.
185 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
186 IA64_BUILTIN_FLUSHRS.
188 * config/ia64/ia64.md (flushrs): New insn to flush the register
189 stack. Add to unspec list.
191 * config/ia64/crtbegin.asm (frame_object): Change size.
192 (__do_frame_setup_aux): New function.
193 * config/ia64/crtend.asm: call __do_frame_setup_aux.
194 * config/ia64/t-ia64 (LIB2ADDEH): Add.
195 * Makefile.in (LIB2ADDEH): Add.
196 (LIB2ADD): Use LIB2ADDEH.
198 2000-05-24 Richard Henderson <rth@cygnus.com>
200 * recog.c (offsettable_address_p): If mode size is zero, assume
203 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
205 * configure.in: Check for -Wno-long-long option support and improve
206 handling of warning CFLAGS for stages 1 and 2.
207 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
208 * configure: Regenerate.
210 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
212 * gcc.texi: Remove contributor list. Instead include contrib.texi.
213 * contrib.texi: New file.
215 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
217 * loop.c (basic_induction_var): Avoid double recording of an increment.
219 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
221 * Back out this patch:
222 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
223 * loop.h (struct induction): Add multi_insn_incr.
224 * loop.c (basic_induction_var): New multi_insn_incr argument.
225 Set it if we search back through previous insns for the biv.
226 (record_biv): New multi_insn_incr argument; fill in struct induction.
227 (strength_reduce): Discard an iv with multiple bivs, any of
228 which require multiple insns to increment.
230 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
232 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
234 * rtl.h (loc_mentioned_in_p): Declare.
235 * reload.c (loc_mentioned_in_p): Moved from here...
236 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
237 Fix loop increment for 'E' handling.
238 * loop.c (strength_reduce): When doing biv->giv conversion,
239 take multi-insn biv increments into account.
241 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
243 * stmt.c (expand_end_bindings): Look through NOTEs to find a
246 2000-05-24 Mark Mitchell <mark@codesourcery.com>
248 * calls.c (expand_call): Handle cleanups in tail-recursion
249 arguments analagously to cleanups in sibling calls.
251 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
256 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
258 * expr.c (expand_assignment, store_expr, expand_expr,
259 expand_expr_unaligned): Set in_check_memory_usage while emitting
260 chkr_check_addr libcall.
262 2000-05-24 Nick Clifton <nickc@cygnus.com>
264 * fold-const.c (extract_muldiv): When constructing a
265 multiplier/divisor, do not expect const_binop to correctly
266 determine if overflow has occured, so check explicitly.
268 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
270 * c-decl.c (build_enumerator): Don't modify the value's type,
273 2000-05-24 Andreas Jaeger <aj@suse.de>
275 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
277 2000-05-24 Eric Christopher <echristo@cygnus.com>
279 * configure.in: Redefine inhibit_libc conditions.
280 * libgcc2.c: Remove inhibit_libc conditional define.
281 * configure: Regenerate.
283 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
285 * configure.in: For --enable-languages=LIST, check for empty LIST.
286 * configure: Regenerate.
288 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
290 * pdp11.h (STACK_BOUNDARY): Define.
292 2000-05-24 Jakub Jelinek <jakub@redhat.com>
294 * ifcvt.c (if_convert): Update life info globally.
296 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
298 * emit-rtl.c (unshare_all_decls): New function.
299 (unshare_all_rtl): Call it.
301 2000-05-23 Nick Clifton <nickc@cygnus.com>
303 * configure.in: Treat 'strongarm' as if it were 'arm' when
304 determining cpu type.
306 * configure: Regenerate.
308 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
309 where constant strings are involved.
311 * config/arm/arm.h (arm_condition_codes): Change type to 'const
314 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
315 cases where constant strings are involved.
317 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
319 * config/sh/sh.c (gen_far_branch, split_branches): Update
320 to reflect new prototypes for redirect_jump and invert_jump.
321 (sh_insn_length_adjustment): Get rid of const warnings.
323 2000-05-23 Kazu Hirata <kazu@hxi.com>
325 * invoke.texi (Options for Debugging Your Program or GCC): Update
326 the names of dump files.
328 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
330 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
331 * configure: Regenerated.
333 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
335 * simplify-rtx.c (SIGN_EXTEND): New macro.
336 (simplify_unary_operation, simplify_binary_operation,
337 simplify_relational_operation): Use SIGN_EXTEND. Make low
338 halves of (low, high) pairs unsigned if they weren't already.
339 (simplify_ternary_operation): Cast INTVAL to unsigned before
340 comparing to a MODE_BITSIZE.
342 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
344 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
345 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
347 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
348 gcc_AC_NEED_DECLARATIONS.
350 * dwarfout.c: Don't prototype time().
352 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
354 * system.h: Likewise.
356 * toplev.c: Likewise.
358 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
360 * c-decl.c (pushdecl): Invert sense of test for non-global types.
362 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
364 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
366 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
368 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
370 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
372 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
373 (alpha_start_function): Never write ..ng label if VMS or NT.
374 (alpha_align_insns): Remove GP_IN_USE arg.
375 Alignment now unsigned.
376 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
377 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
378 and two define_insn's.
380 2000-05-22 Richard Henderson <rth@cygnus.com>
382 * combine.c (simplify_comparison): Use trunc_int_for_mode.
384 2000-05-22 Richard Henderson <rth@cygnus.com>
386 * stor-layout.c (place_field): Change rli->size to rli->offset.
388 2000-05-22 Richard Henderson <rth@cygnus.com>
390 * function.c (thread_prologue_and_epilogue_insns): Make sure
391 existing line number notes appear after the prologue.
393 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
395 * config/alpha/alpha.c (alpha_fnname): New static variable.
396 (print_operand, case '~'): New case.
397 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
398 (alpha_start_function): Set alpha_fnname.
399 Write "ng" label if no ldgp; don't write ldgp insn.
400 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
401 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
403 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
405 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
408 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
410 * varasm.c (eh_frame_section): Revert change to argument list.
412 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
414 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
415 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
417 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
418 dangling "else" that causes "break" to be conditional.
419 Also remove unneeded code at start.
421 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
423 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
424 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
425 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
427 2000-05-22 Jakub Jelinek <jakub@redhat.com>
429 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
432 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
434 * alias.c (record_component_aliases): New function.
435 * tree.h: Clean up some declarations and comments.
436 (record_component_aliases): New declaration.
437 * tree.c (get_alias_set): If type and has alias set, use it.
439 2000-05-22 Richard Henderson <rth@cygnus.com>
441 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
442 IF_THEN_ELSE to a setcc form.
443 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
445 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
448 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
450 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
452 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
455 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
457 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
458 * config/mn10300/mn10300.c (print_operand): Likewise.
460 * final.c (split_double): Right shift of negative values is not
463 * ifcvt.c (if_convert): Scan and kill dead code.
465 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
467 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
469 * diagnostic.c: Eliminate implicit int.
470 * except.c, gcc.c: Add static prototypes.
471 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
472 * gensupport.c (process_rtx): Use XVEC to initialize vector
475 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
476 debug_reg_names instead of static reg_names. If not, define
478 * regclass.c: Don't define global reg_names unless
479 DEBUG_REGISTER_NAMES is defined.
481 * reload1.c (order_regs_for_reload): Remove unused variable.
482 * varasm.c: Include output.h after defaults.h. Define
483 eh_frame_section as function of no args, not of unspecified args.
485 * gcc.c: Constify argbuf; arguments to store_arg,
486 process_command, main; elements of struct command and struct
487 switchstr; local variables in execute, process_command, main.
489 2000-05-20 Bruce Korb <bkorb@gnu.org>
491 * fixinc/inclhack.def: many applications of c_fix=format + tests
492 * fixinc/check.diff: regenerated
493 * fixinc/fixincl.x: regenerated
495 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
497 * alias.c: Clarify some comments.
498 (record_base_value): REGNO is unsigned.
499 * rtl.h (record_base_value): Likewise.
501 * alias.c (aliases_everything_p): Don't special-case QImode here.
502 * c-common.c (c_get_alias_set): Do it here.
503 Handle BIT_FIELD_REF by getting alias info for arg.
506 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
508 * mklibgcc.in: Restore rule to create ${dir}.
510 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
512 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
513 GCC_FOR_TARGET used by MULTILIBS.
514 * mklibgcc.in: Make sure each .o file depends on the
515 directory it will be in.
516 Make the multilib directory depends libgcc.
518 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
520 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
522 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
524 * fold-const.c (make_range): Handle degenerated intervals.
525 Fixes c-torture/execute/991221-1.c
527 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
530 * reload.c (find_equiv_reg): Likewise.
531 * alias.c (init_alias_analysis): Likewise.
532 Only call prologue_epilogue_contains on insns.
533 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
534 * bb-reorder.c (hard-reg-set.h): Include earlier.
535 * haifa-sched.c (hard-reg-set.h): Likewise.
536 * ifcvt.c (hard-reg-set.h): Likewise.
537 * local-alloc.c (hard-reg-set.h): Likewise.
538 * loop.c (hard-reg-set.h): Likewise.
539 * predict.c (hard-reg-set.h): Likewise.
540 * regrename.c (hard-reg-set.h): Likewise.
541 * flow.c (hard-reg-set.h): Likewise.
542 (reg_set_to_hard_reg_set): New function.
543 * bitmap.c (regs.h, basic-block.h): No longer include.
544 (bitmap.h): Now include.
545 * conflict.c (hard-reg-set.h): Include.
546 * profile.c (hard-reg-set.h): Likewise.
547 * print-rtl.c (hard-reg-set.h): Likewise.
548 * sbitmap.c (hard-reg-set.h): Likewise.
549 * toplev.c (hard-reg-set.h): Likewise.
550 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
551 * hard-reg-set.h (reg_names): Now constant.
552 * regs.h (reg_names): Likewise.
553 * regclass.c (reg_names): Likewise.
554 * loop.h (basic-block.h): No longer include.
555 (bitmap.h): Now include.
556 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
557 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
558 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
560 2000-05-19 Jan Hubicka <jh@suse.cz>
561 Richard Henderson <rth@cygnus.com>
563 * basic-block.h (struct edge_def): New field "count".
564 (struct basic_block_def): Likewise.
565 * flow.c (entry_exit_blocks): Add count fileds.
566 (split_edge): Keep count information up-to-date.
567 (dump_edge_info, dump_flow_info): Dump count fields.
569 * final.c (count_instrumented_edges): Rename to edge from arc.
570 (end_final): Update users.
571 * profile.c: Include expr.h, basic-block.h.
572 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
573 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
574 (ignore_next_note, return_label_execution_count): Kill.
575 (bbg_file_name, da_file_name): Kill.
576 (edge_info, bb_info): New structures.
577 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
578 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
579 (total_num_edges_instrumented): Likewise.
580 (init_arc, expand_spanning_tree): Kill.
581 (fill_spanning_tree, tablejump_entry_p): Kill.
582 (instrument_edges): Rewrite from instrument_arcs to use
583 commit_edge_insertions infrastructure.
584 (compute_branch_probabilities): Remove arguments; rewrite for
585 CFG infrastructure; use rtl_dump_file directly.
586 (branch_prob, find_spanning_tree): Likewise.
587 (union_groups, find_group): New.
588 (init_branch_prob): Make bbg_file_name and da_file_name local.
589 (end_branch_prob): Use rtl_dump_file directly.
590 (init_edge_profiler): Rename to edge from arc.
591 (output_arc_profiler): Kill.
592 (gen_edge_profiler): New.
593 (output_func_start_profiler): Turn off profiling. Make the
594 constructor static when we can.
595 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
597 * toplev.c (DFI_flow): Remove.
598 (DFI_cfg, DFI_life): New.
599 (dump_file): Update accordingly.
600 (compile_file): Call end_branch_prob if profile_arc_flag too.
601 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
602 profiling after the CFG is built. Move flow1 life analysis to
603 DFI_life. Always estimate remaining probabilities.
605 2000-05-19 Richard Henderson <rth@cygnus.com>
607 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
609 * flow.c (make_edges): The sibling call edge to exit is abnormal.
611 2000-05-19 Richard Henderson <rth@cygnus.com>
613 * jump.c (redirect_jump): Add delete_unused argument. Don't
614 remove labels and code following when LABEL_NUSES goes to zero.
615 (invert_jump): Likewise.
616 (jump_optimize_1): Fix redirect/invert arguments.
617 (do_cross_jump, thread_jumps): Likewise.
618 * flow.c (split_edge): Likewise.
619 * reorg.c (optimize_skip): Likewise.
620 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
621 * profile.c (instrument_arcs): Likewise.
622 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
623 * rtl.h: Update prototypes.
625 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
627 * ssa.c (convert_from_ssa): Tell life_analysis we need death
629 (make_regs_equivalent_over_bad_edges): Only look at abnormal
632 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
634 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
635 past l1 when deleting whitespace and markers.
637 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
638 * cpplib.c (do_unassert): Put the list to compare against on
641 2000-05-19 Bruce Korb <bkorb@gnu.org>
643 * fixinc/README: cleaned up old documentation
644 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
645 * fixinc/check.tpl: compute the list of needed directories
646 emit "#if defined(name)" because of conflict
647 omit machine name differences from output differences
648 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
649 (machine_name): change test text to use `sed' markers
650 * fixinc/fixincl.x: regen
652 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
654 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
657 2000-05-18 Chris Demetriou <cgd@sibyte.com>
659 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
660 it to match the current practice.
662 2000-05-18 Mark Mitchell <mark@codesourcery.com>
664 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
666 2000-05-18 Richard Henderson <rth@cygnus.com>
668 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
669 * rtl.h (insn_dependant_p): Declare it.
670 * loop.c (strength_reduce): Use it.
672 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
674 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
675 16-bit and 64-bit clean-up.
677 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
679 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
680 * configure: Rebuilt.
682 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
684 * genopinit.c: Use $ for escape sequences in optab patterns.
685 Remove backslashes from optab patterns. Change $A, $B, $C to
686 expand to (int) whatever instead of just whatever; remove
687 explicit (int) from all optab patterns.
689 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
690 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
691 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
692 genrecog.c: Remove private copies of xmalloc, xrealloc, and
695 2000-05-18 Richard Henderson <rth@cygnus.com>
697 * jump.c (jump_optimize_1): Base minimum insn count during
698 find_cross_jump on BRANCH_COST.
700 2000-05-18 Jakub Jelinek <jakub@redhat.com>
702 * print-rtl.c (print_rtx): Only print note line number as string
703 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
704 * final.c (final_scan_insn): Do nothing for note line number 0.
706 2000-05-18 Jakub Jelinek <jakub@redhat.com>
708 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
709 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
710 NOTE_INSN_DELETED_LABEL.
712 2000-05-18 Nick Clifton <nickc@cygnus.com>
714 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
715 uninitialised data in .rodata not .bss, and do not interpret an
716 error in the initialisation value as meaning that the variable
717 should be placed in the .bss section.
719 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
721 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
722 not `$ac_cv_prog_cc_cc_c_o'.
723 * configure: Regenerated.
725 2000-05-18 Chris Demetriou <cgd@sibyte.com>
726 Richard Henderson <rth@cygnus.com>
728 * c-common.h (enum c_tree_index): Add g77 type entries.
729 (g77_integer_type_node, g77_uinteger_type_node): New.
730 (g77_longint_type_node, g77_ulongint_type_node): New.
731 * c-decl.c (init_decl_processing): Initialize them.
733 2000-05-18 Richard Henderson <rth@cygnus.com>
735 * config/h8300/h8300.md (subs patterns): Use %G to negate.
737 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
738 (small_power_of_two): Likewise; use exact_log2.
739 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
740 (output_adds_subs): Remove.
741 (two_insn_adds_subs_operand): New.
742 (split_adds_subs): New.
743 * config/h8300/h8300-protos.h: Update.
744 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
745 (CONST_OK_FOR_L): Match strict adds operands.
746 (CONST_OK_FOR_N): Match struct subs operands.
747 * config/h8300/h8300.md (adds_subs insns): Remove.
748 (addhi patterns): Output adds/subs directly.
749 (addsi_h8300h): Likewise.
750 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
752 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
754 * cppexp.c (parse_assertion): New.
755 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
756 (_cpp_parse_expr): Remove case '#'. Don't set
757 parsing_if_directive.
758 * cpphash.c (collect_objlike_expansion,
759 collect_funlike_expansion, collect_params,
760 _cpp_create_definition): The list no longer has a trailing
762 * cpphash.h (enum node_type): Add T_ASSERTION.
763 (struct hashnode): Remove aschain, add pred.
764 (struct predicate): New.
767 * cpplex.c (expand_token_space): Handle both offset and
769 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
770 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
771 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
772 _cpp_equiv_toklists): New.
773 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
774 stop at any single-character token, not just newline.
775 (_cpp_lex_token): Remove special cases for #define and #if.
776 (cpp_get_token): Expect # as a separate token type. Remove
778 (_cpp_get_directive_token): Remove DIRECTIVE case.
779 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
781 * cpplib.c (_cpp_check_directive): Set dirno and
782 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
783 (_cpp_handle_directive): Run # <number> through the same logic
784 as normal directives.
785 (do_define): Don't set parsing_define_directive. Use
786 _cpp_scan_until. The list does not have a VSPACE at the end.
787 (do_if): Save, clear, and restore only_seen_white around
789 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
790 (do_assert, do_unassert): Rewrite.
792 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
793 (LIST_OFFSET): New flag.
794 (struct cpp_toklist): Replace dir_handler and dir_flags with
796 (struct cpp_reader): Remove parsing_if_directive and
797 parsing_define_directive.
799 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
802 following the cabs decl which terminate on the following line.
803 Add the corresponding test_text case.
805 2000-05-18 Neil Booth <NeilB@earthling.net>
807 * cppinit.c (cpp_reader_init): Initialise col_adjust and
808 default tab stop size.
809 (no_num, OPT_ftabstop): New.
810 (handle_option): Handle "ftabstop=" command-line option.
811 (print_help): Document it.
812 * cpplex.c (COLUMN): Remove.
813 (handle_newline): Reset col_adjust.
814 (skip_whitespace): Update col_adjust as tabs encountered.
815 (_cpp_lex_line): Update to use col_adjust. Call
816 skip_whitespace for all whitespace.
817 * cpplib.h (struct cpp_options): New member tabstop.
818 (struct cpp_reader): New member col_adjust.
819 (CPP_BUF_COL): Update.
820 (CPP_BUF_COLUMN): New.
821 * cpp.texi: Document "-ftabstop=" command line option.
823 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
825 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
827 * configure: Rebuilt.
829 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
831 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
833 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
834 HOST_BITS_PER_WIDE_INT is >= 64.
836 2000-05-17 Richard Henderson <rth@cygnus.com>
838 * jump.c (jump_optimize_1): Remove inactive but real insns
839 in jump-to-next-insn optimization.
841 2000-05-17 Richard Henderson <rth@cygnus.com>
843 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
844 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
845 Don't call recompute_reg_usage if no_new_pseudos is true.
846 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
847 Return true if we did work; update global life information.
848 * basic-block.h (optimize_mode_switching): Update decl.
850 2000-05-17 Neil Booth <neilb@earthling.net>
852 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
854 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
856 * cpplib.c: New feature, #pragma system_header.
857 * cpp.texi: Document special treatment of system headers, and
858 the various mechanisms to get a header that special treatment.
860 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * system.h (offsetof): Define at the very end, to ensure we prefer
863 the platform's definition if available.
865 2000-05-16 Bruce Korb <bkorb@gnu.org>
867 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
868 * fixinc/server.c: likewise
869 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
870 + #ifdef debugging code + use #def constant for
872 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
873 on C++ math namespace
875 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
878 Don't check the return value of sprintf. Use asprintf to avoid
881 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
883 * flags.h (warn_unused_function, warn_unused_label,
884 warn_unused_parameter, warn_unused_variable, warn_unused_value):
885 Replace ``warn_unused''.
886 (set_Wunused): Add declaration.
887 * toplev.c (set_Wunused): New function.
888 (warn_unused_function, warn_unused_label, warn_unused_parameter,
889 warn_unused_variable, warn_unused_value): New variables.
890 (W_options): Add -Wunused-function, -Wunused-function,
891 -Wunused-label, -Wunused-parameter, -Wunused-variable and
892 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
894 * toplev.c (decode_W_option): Update -Wunused flags by calling
896 * c-decl.c (c_decode_option): Ditto for -Wall.
898 * stmt.c (expand_expr_stmt, expand_expr_stmt,
899 warn_about_unused_variables): Replace warn_unused with more
900 explicit warn_unused_value et.al.
901 * function.c (expand_function_end): Ditto.
902 * c-typeck.c (internal_build_compound_expr,
903 internal_build_compound_expr): Ditto.
904 * c-decl.c (poplevel, pop_label_level): Ditto.
905 * toplev.c (check_global_declarations): Replace warn_unused with
906 check for either warn_unused_function or warn_unused_variable.
908 * gcc.1, invoke.texi (Warning Options): Document
909 -Wunused-function, -Wunused-function, -Wunused-label,
910 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
912 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
914 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
915 $(srcdir), not in the current directory.
917 2000-05-16 Richard Henderson <rth@cygnus.com>
919 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
920 assembler supports it.
921 (.fini, .init): Use a gp-relative indirect call.
922 (__do_global_dtors_aux): Preserve the gp; rebundle.
923 (__do_frame_setup): Likewise.
924 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
925 (.init): Use a gp-relative indirect call.
926 (__do_global_ctors_aux): Preserve the gp.
928 2000-05-16 Richard Henderson <rth@cygnus.com>
930 * flow.c (commit_one_edge_insertion): Be prepared for a return
931 insn to be inserted on the edge with a normal jump.
932 * jump.c (jump_optimize_1): Don't look to create return isns.
934 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
935 * jump.c (jump_optimize_1): Likewise.
936 (returnjump_p): Verify the argument is a JUMP_INSN.
937 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
939 2000-05-16 Nick Clifton <nickc@cygnus.com>
941 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
942 GET_RTX_CLASS (GET_CODE ()) == 'i'.
943 (large_insn_p): Ditto.
944 (m32r_is_insn): New function: Return true if the insn contains
945 an executable instruction.
946 (m32r_adjust_insn): Use m32r_is_insn.
947 (m32r_sched_reorder): Use m32r_is_insn.
948 (m32r_sched_variable_issue): Use m32r_is_insn.
950 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
952 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
955 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
957 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
958 according to given options.
960 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
962 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
963 if X has VOIDmode either.
964 (LIMIT_RELOAD_CLASS): Similarly.
966 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
967 not "general_operand" to match the processor's capabilities.
969 2000-05-16 Bruce Korb <bkorb@gnu.org>
971 * fixinc/README: corrected return address
972 * fixinc/check.diff: regenerate, now that test works
973 * fixinc/fixfixes.c(format_fix,format_write): reformatted
974 (char_macro_def_fix,char_macro_use_fix): corrected and
975 rewrote to use regex to parse the text
976 * fixinc/inclhack.def: more testing
977 * fixinc/fixincl.x: regenerated
979 * fixinc/inclhack.def: added several "test_text" attributes
980 changed several fixes to use `c_fix = format'
981 re-alphabetized the fixes
983 * fixinc/check.diff: regenerate
984 * fixinc/fixincl.x: regenerate
985 * fixinc/check.tpl: added `sparc' and `netinet' to the list
989 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
991 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
993 2000-05-15 Richard Henderson <rth@cygnus.com>
995 * toplev.c (rest_of_compilation): Run full jump pass before
996 find_basic_blocks of flow2.
998 2000-05-15 Richard Henderson <rth@cygnus.com>
1000 * jump.c: Fix typos and clarify commentary from last change.
1001 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1002 (safe_to_remove_jump_p): Remove.
1003 (condjump_label): Use pc_set.
1005 2000-05-15 Richard Henderson <rth@cygnus.com>
1007 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1008 that get in the way after reload.
1009 (cond_exec_process_if_block): Skip a label heading THEN block.
1011 2000-05-15 Richard Henderson <rth@cygnus.com>
1013 * varasm.c (output_constant_pool): Abort instead of converting
1014 (improperly) deleted labels to zero.
1016 2000-05-16 Neil Booth <NeilB@earthling.net>
1018 * cpplex.c (parse_string2): Update comment.
1019 (cpp_lex_line): No special assertion treatment for '('.
1020 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1021 * cpplib.h (SYNTAX_ASSERT): Remove.
1023 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1025 * jump.c (condjump_p): Mark as depreached.
1026 (any_condump_p): New.
1027 (any_uncondump_p): New.
1029 (safe_to_remove_jump_p): New.
1030 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1031 safe_to_remove_jump_p): Declare.
1033 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1035 * calls.c: Re-install both patches reverted by last patch.
1036 (struct arg_data): New field tail_call_reg.
1037 (initialize_argument_information): Initialize tail_call_reg
1038 (load_register_parameters): New argument flags, use
1039 tail_call_reg when emiting tail call sequence.
1040 (expand_call): Update call of load_register_parameters;
1041 copy unadjusted_args_size to adjusted_args_size.
1043 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1045 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1046 and bct_p parameters to flags.
1047 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1048 * rtl.h (loop_optimize): Update prototype.
1049 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1051 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1053 * calls.c (expand_call): Move expand_start_target_temps call after
1056 2000-05-15 Neil Booth <NeilB@earthling.net>
1058 * cpphash.c (trad_stringify, warn_trad_stringify,
1059 collect_params): Make some pointers pointers to const.
1060 * cpplex.c (auto_expand_name_space) Guaranteed to always
1061 expand by at least one character.
1062 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1063 (struct token_spelling): Use const U_CHAR * rather than PTR.
1064 (expand_name_space): Fix up token pointers if name space
1065 is moved when expanding.
1066 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1067 parse_string2, save_comment, spell_token, cpp_output_list):
1068 Update so the routines handle tokens with a direct pointer to
1069 their text, rather than an offset into the token's list's namebuf.
1070 (_cpp_lex_line): Rearrange for clarity.
1072 * cpplib.c (_cpp_check_directive): Similarly.
1073 (do_define): Make SYM a pointer to const.
1074 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1075 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1076 (TOK_OFFSET): Delete.
1079 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1081 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1084 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1086 (logical_u_operand): Delete.
1087 (non_logical_cint_operand): Rewrite to take MODE into account.
1088 (non_logical_u_cint_operand): Delete.
1089 (boolean_operator): New function.
1090 (print_operand): Add new %q operand.
1091 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1092 remove logical_u_operand and non_logical_u_cint_operand,
1093 update logical_operand and non_logical_cint_operand.
1094 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1095 logical operations to use %q.
1097 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1098 (movdi): Make similar to movsi.
1099 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1100 is no such thing as a DImode CONST_DOUBLE.
1101 * config/rs6000/rs6000.c (output_toc): Likewise.
1103 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1104 codes when old mnemonics are in use. Print register names
1105 for cc registers when requested.
1107 * optabs.c (expand_float): Don't allow mode widening that causes
1110 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1111 flags to their current names -maix64 and -maix32.
1113 2000-05-14 Bruce Korb <bkorb@gnu.org>
1115 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1116 and/or after current text of file
1117 * fixinc/fixlib.c(must_malloc):
1118 * fixinc/fixlib.h(must_malloc): + reformatting
1119 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1120 with usages of ``c_fix = wrap;''
1121 Add several tests and use the ``c_fix = format'' fixer more.
1122 * fixinc/fixincl.x: regen
1123 * fixinc/check.diff: regen
1124 * fixinc/check.tpl: emit the associated header with the missing
1127 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1129 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1130 variables $src and $dst.
1132 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1134 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1135 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1136 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1137 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1139 (set_message_prefixing_rule): Declare.
1141 * diagnostic.c: (current_prefixing_rule): New variable.
1142 (set_message_prefixing_rule): Define.
1143 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1144 (init_output_buffer): Adjust Initialization.
1145 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1147 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1149 * ifcvt.c (if_convert): Do not free NULL.
1151 2000-05-12 Nick Clifton <nickc@cygnus.com>
1153 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1154 to move a double word value.
1155 (di_operand): New function: Return true if the operand is suitbale
1156 for a double word move operation.
1157 (nonimmediate_di_operand): New function: Return true if the
1158 operand is a DImode register or MEM.
1160 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1161 nonimmediate_di_operand.
1163 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1164 nonimmediate_di_operand.
1166 * config/fr30/fr30.md (movdi): New pattern. Required because
1167 other patterns generate DImode results.
1168 (movdi_insn): New pattern.
1170 2000-05-12 Richard Henderson <rth@cygnus.com>
1172 * config/alpha/alpha.c (struct shadow_summary): Define
1173 bitfields as type unsigned int.
1175 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1177 * config/avr/t-avr: Added definition of FLOAT while generates
1180 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1181 peepholes for tst+jump = sbrs/sbrc optimization.
1183 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1185 * expr.c (emit_push_insn): Do not adjust stack pointer when
1188 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1190 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1191 * system.h (offsetof): ... to here.
1193 2000-05-12 Richard Henderson <rth@cygnus.com>
1195 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1196 * final.c (final_end_function): Use app_disable. Rearrange note
1197 handling into a switch. Emit deleted labels.
1198 (output_asm_label): Generate label strings for deleted labels.
1199 * flow.c (tail_recursion_label_list): New.
1200 (find_basic_blocks_1): Set label_value_list directly. Collect list
1201 of tail recursion labels from call_placeholders. Don't add deleted
1202 labels to the label value list.
1203 (cleanup_cfg): Use free_EXPR_LIST_list.
1204 (flow_delete_insn_chain): Turn non-removable labels into notes.
1205 (flow_delete_block): Don't disable deleting the block because of
1206 a non-removable label.
1207 (tail_recursion_label_p): New.
1208 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1210 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1212 (merge_blocks): Disable a merge because of tail recursion labels.
1213 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1214 Use a more accurate measure of not merging the join block.
1215 (find_if_block): Don't disable conversion because of a label.
1216 (find_if_case_1, find_if_case_2): Likewise.
1217 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1218 element when copying.
1219 (squeeze_notes): Also leave EH notes.
1220 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1222 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1224 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1225 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1226 referring to a deleted label. Convert tail handling to a switch.
1227 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1228 for NOTE_INSN_DELETED_LABEL.
1229 (NOTE): Fix commentary.
1230 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1231 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1232 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1233 (LABEL_NUSES, LABEL_REFS): Likewise.
1234 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1236 2000-05-12 Bruce Korb <bkorb@gnu.org>
1238 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1239 * fixinc/check.diff: updated
1240 * fixinc/inclhack.def: corrected & added some test_text-s
1241 * fixinc/genfixes: removed unneeded options to autogen invocation
1242 * fixinc/fixincl.tpl: Specified the output file
1243 * fixinc/fixfixes.c: visual appearance
1244 * fixinc/fixincl.x: regenerate
1246 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1248 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1249 CTRL_defn_fix): Delete.
1250 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1251 char_macro_def_fix and char_macro_use_fix, respectively. Put
1252 them into the FIXUP_TABLE. Get the string to search for from
1255 (format_write): New function.
1256 (format_fix): Use it.
1258 (FIX_PROC_HEAD): Constify text parameter.
1259 (machine_name_fix): Constify all char *s.
1260 * fixtests.c (skip_quote): Remove double static.
1262 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1263 ctrl_use_quotes): Update for new scheme.
1264 * fixincl.x: Regenerate.
1266 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1268 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1270 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1271 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1273 2000-05-11 Robert Lipe <robertlipe@usa.net>
1275 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1276 * fixincl.x: Regenerate.
1278 2000-05-11 Richard Henderson <rth@cygnus.com>
1280 * calls.c: Revert both 05-09 patches.
1282 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1284 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1286 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1289 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1290 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1292 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1294 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1296 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1298 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1300 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1302 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1303 * config/avr/avr.c (jump_over_one_insn_p): New function.
1304 * config/avr/avr.md: New peepholes added. Output test and
1305 conditional jump to "sbrc" or "sbrs" command.
1307 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1309 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1311 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1313 * except.c (find_exception_handler_labels_1): New function.
1314 (find_exception_handler_labels): Split into two functions, dive
1315 into CALL_PLACEHOLDERs when looking for exception handler labels.
1317 2000-05-11 Stan Cox <scox@cygnus.com>
1319 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1320 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1321 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1323 2000-05-11 Bruce Korb <bkorb@gnu.org>
1325 * fixinc/fixfixes.c (double_slash_fix): obsolete
1326 (else_endif_label_fix): obsolete
1327 (format_fix): new, unused as yet
1329 * fixinc/fixlib.h: added fix description struct for use by format_fix
1330 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1331 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1332 modules. Removed the vestiges of the script version.
1333 Added support for "make check".
1334 * fixinc/check.diff: base diff file (needs work!!)
1335 * fixinc/check.tpl: quiet the fixup output
1336 * fixinc/fixtests.c (main): obsolete
1337 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1338 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1340 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1342 * toplev.c (rest_of_compilation): Remove dead code after
1345 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1347 * cpphash.c (collect_funlike_expansion): Make "# is not
1348 followed by a macro argument name" a pedwarn, not an error.
1349 Preserve the # in the output. Suppress the warning if lang_asm.
1351 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1353 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1354 * configure: Rebuilt.
1356 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1358 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1360 2000-05-10 Kazu Hirata <kazu@hxi.com>
1362 * combine.c (try_combine): Fix a typo.
1364 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1366 * config/ia64/ia64.md (insv): Add comment.
1368 2000-05-10 Richard Henderson <rth@cygnus.com>
1370 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1371 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1372 dependancies on FPBIT and DPBIT.
1374 2000-05-10 Nick Clifton <nickc@redhat.com>
1376 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1377 when optimising for size.
1378 (mark_used_regs:) Ditto.
1379 (try_pre_increment_1): Ditto.
1381 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1383 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1384 Make error message friendlier.
1386 * cpphash.h (struct hashnode): Use struct hack for name
1388 * cpphash.c (struct hashdummy): New.
1389 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1390 (make_HASHNODE): No need to set ->name pointer. Correct
1392 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1394 2000-05-10 Richard Henderson <rth@cygnus.com>
1396 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1399 2000-05-10 Bruce Korb <bkorb@gnu.org>
1401 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1403 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1405 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1406 after we enter .debug.
1408 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1410 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1411 abstract instance of a nested inline function.
1413 * stor-layout.c (finish_record_layout): finalize_type_size
1414 before laying out the pending_statics.
1416 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1418 * cpplex.c (spell_token): New function.
1419 (spell_string, spell_comment, spell_name): fold into
1422 (E, H): Remove macros.
1423 (save_comment): Save comment opening characters too.
1424 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1426 * cpplib.h (I, S): Add macros.
1427 (E, H): Remove macros.
1428 (TTYPE_TABLE): Update entries for new speller.
1429 (SYNTAX_ASSERT): Remove.
1431 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1433 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1434 when removing escaped newlines. Reverse sense of test for
1437 2000-05-09 Richard Henderson <rth@cygnus.com>
1439 * flow.c (find_basic_blocks_1): Do not delete the first
1440 bb_note we run across.
1441 (create_basic_block): Use reorder_insns to move an existing
1442 bb_note to the correct place.
1444 2000-05-09 Richard Henderson <rth@cygnus.com>
1446 * calls.c (expand_call): Increment currently_expanding_call
1447 before calling optimize_tail_recursion.
1449 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1451 * reload1.c (reload_combine): Fix errors in last change.
1453 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1455 * gcc.c (used_arg): Skip over a semicolon at the end of the
1456 split-up loop; don't break out of it.
1458 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1459 (tree.o): Depend on output.h.
1461 * c-decl.c (pending_invalid_xref_file,
1462 current_function_prototype_file): Constify.
1463 (pushdecl): Constify a local char *.
1464 (define_label): Constify filename parameter.
1465 * c-lex.c (init_parse): Constify parameter and return value.
1466 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1467 * c-tree.h: Update prototypes.
1468 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1469 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1470 objc/objc-parse.c: Regenerate.
1472 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1473 * dwarfout.h: Update prototypes.
1474 * expr.c (expand_expr): Constify a local char *.
1475 * flags.h: Constify main_input_filename.
1476 * function.c (expand_function_end): Constify filename parameter.
1477 * genrecog.c (make_insn_sequence): Use a character array for
1479 (main): Remove unused variables.
1480 * input.h: Constify input_filename, main_input_filename, and
1481 file_stack.name. Update prototypes.
1482 * output.h: Declare first_global_object_name and
1483 weak_global_object_name here, as const char *.
1484 * stmt.c (expand_asm_operands): Constify filename parameter.
1485 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1486 Constify filename parameter.
1487 (input_filename, main_input_filename): Constify.
1488 * toplev.h: Update prototypes.
1489 * tree.c: Include output.h. Don't declare
1490 first_global_object_name or weak_global_object_name. Clean up string
1491 bashing in get_file_function_name_long.
1492 * tree.h (struct tree_decl): Constify filename member.
1493 (input_filename): Constify.
1495 * varasm.c (first_global_object_name, weak_global_object_name):
1497 (assemble_start_function, assemble_variable): Clean up string bashing.
1499 * gcc.c: Constify all spec-related strings initialized,
1500 transitively, from string constants. Constify all strings
1501 and string variables related to multilibs.
1502 (set_spec, read_specs): Cast argument to free to PTR.
1503 (used_arg): Do not modify multilib_matches. Use strncmp plus
1504 length comparison to compare multilib switches.
1505 * genmultilib: Constify everything declared in multilib.h.
1507 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1509 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1512 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1514 * config/avr/avr-protos.h (extra_constraint): change a type of
1515 second argument from char to int to avoid warnings.
1516 (asm_output_byte): Likewise.
1518 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1519 (initial_elimination_offset): Handle elimination from
1520 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1521 (legitimate_address_p): Use MAX_LD_OFFSET.
1522 (legitimize_address): Likewise.
1523 (out_movqi_r_mr): Likewise.
1524 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1525 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1526 (out_movsi_mr_r): Likewise.
1527 (out_movqi_mr_r): Likewise.
1528 (out_movhi_mr_r): Likewise.
1529 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1530 count as CONST_INT != 6.
1531 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1532 shift count is a CONSTANT_P, but not a CONST_INT.
1533 (ashlhi3_out): Coding style modifications.
1534 (ashlsi3_out): Likewise.
1535 (ashrhi3_out): Likewise.
1536 (ashrsi3_out): Likewise.
1537 (lshrhi3_out): Likewise.
1538 (lshrsi3_out): Likewise.
1539 (ashrqi3_out): Generate shift for any known constant count without
1540 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1541 but not a CONST_INT.
1542 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1543 shift count is a CONSTANT_P, but not a CONST_INT.
1544 (extra_constraint): change a type of
1545 second argument from char to int to avoid warnings.
1546 (asm_output_byte): Likewise.
1547 (asm_file_end): Output size generated commands count as a hex
1550 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1552 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1554 (ashlqi3): Values of "length" attribute changed. Shift count
1555 uses constraints 'n' instead of 'i'.
1556 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1557 shifts without clobber register.
1558 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1559 (call_insn): Correct test for which_alternative == 1 (was 0).
1560 (call_value_insn): Likewise.
1562 * config/avr/t-avr: Remove definition of FLOAT while generates
1565 2000-05-09 Bruce Korb <bkorb@gnu.org>
1567 * fixinc/check.tpl: Template for checking fixes
1568 * fixinc/inclhack.def: Added 'test_text' for many fixes
1569 disable hpux8_bogus_inlines on SCO
1570 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1572 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1574 * calls.c (expand_call): Reorganize somewhat in order
1575 to avoid unnecesary recalculation inside loop and make
1576 tail call failure code cleaner.
1578 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1580 * alias.c (nonlocal_reference_p): Minor reformatting.
1581 * reload.c (find_equiv_reg): Simplify logic for
1582 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1583 some some reformatting.
1584 * reload1.c (reload_combine): Don't assume everything in
1585 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1587 2000-05-08 Richard Henderson <rth@cygnus.com>
1589 * final.c (current_insn_predicate): New.
1590 (final_scan_insn): Set it.
1591 * output.h (current_insn_predicate): Declare.
1593 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1594 Attach it to call insns.
1595 (cond_exec_process_if_block): Track probability for true and
1597 (dead_or_predicable): Likewise.
1599 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1600 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1601 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1602 (estimate_probability, expected_value_to_br_prob): Use them.
1604 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1605 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1606 (ia64_expand_prediction): New.
1607 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1608 as needed after calls.
1609 (ia64_epilogue_uses): Mark b0 used.
1610 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1611 (bne_true, bne_false): Remove.
1612 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1613 (br_true, br_false): New. Use predicate_operator and
1614 ia64_expand_prediction.
1615 (return_true, return_false): Likewise.
1616 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1617 (call_internal1, call_value_internal): Likewise.
1618 (call_value_internal1, call_multiple_values_internal1): Likewise.
1620 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1622 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1624 2000-05-08 Richard Henderson <rth@cygnus.com>
1626 * rtlanal.c (may_trap_p): Consider old-style and volatile
1629 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1631 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1633 2000-05-08 Richard Henderson <rth@cygnus.com>
1635 * config/ia64/ia64.h (predicate_operator): Declare.
1637 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1640 * gensupport.c (process_rtx): Copy and post-process each member
1641 of the define_insn rtvec individually.
1643 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1645 * cpplex.c (spell_token): New function.
1646 (TOKEN_LEN): Add 1 for whitespace.
1647 (_cpp_lex_file): Update to use spell_token.
1648 * cpplib.h (E): Remove.
1649 (TTYPE_TABLE): Update CPP_VSPACE entry.
1651 2000-05-08 Richard Henderson <rth@cygnus.com>
1653 * flow.c (init_propagate_block_info): Watch out for conditional
1654 branch to next instruction, and thus one outgoing edge.
1656 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1657 for global register variables; don't special case __[CD]TOR_LIST__;
1658 mind ggc_p for string allocation.
1660 2000-05-08 Nick Clifton <nickc@cygnus.com>
1662 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1664 2000-05-08 Bruce Korb <bkorb@gnu.org>
1666 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1667 i?86-*-msdosdjgpp* no longer uses fixincludes
1668 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1669 * fixinc/inclhack.sh: deleted
1670 * fixinc/hackshell.tpl: deleted
1671 * fixinc/inclhack.tpl: deleted
1672 * fixinc/Makefile.in: Remove dependencies on above
1673 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1675 2000-05-08 Andreas Jaeger <aj@suse.de>
1677 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1680 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1682 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1685 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1687 * cpplex.c: Move new lexer definitions and prototypes
1688 to top. Conditional include these and the code if
1689 NEW_LEXER is defined. Rename functions whose names
1690 clash if this code included.
1692 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1694 * rtl.def (COND_EXEC): Clarify.
1696 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1697 same fashion as zero_extendsidi2.
1699 2000-05-06 Richard Henderson <rth@cygnus.com>
1701 * config/ia64/ia64.c (predicate_operator): New.
1702 (ia64_print_operand): Handle 'J'.
1703 (rtx_needs_barrier): Handle COND_EXEC.
1704 * config/ia64/ia64.h (BRANCH_COST): Define.
1705 (PREDICATE_CODES): Update.
1706 * config/ia64/ia64.md: Docuement used unspec values.
1707 (attr predicable): New.
1708 (movxf, movxf_internal): New.
1709 (extendsfdf2): Don't comment out nop.
1710 (floatdidf2): Remove.
1711 (truncxfsf2, truncxfdf2, floatdixf2): New.
1712 (abssi2, absdi2): Put the neg in the "true" slot.
1713 (conditional branch instructions): Mark not predicable.
1714 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1715 (abs*_internal): Likewise.
1716 (alloc, set_bsp): Mark not predicable.
1717 (barrier, insn_group_barrier, flush_cache): Likewise.
1718 (define_cond_exec): New.
1720 2000-05-06 Richard Henderson <rth@cygnus.com>
1722 * c-decl.c: Include "tm_p.h".
1724 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1725 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1726 (ia64_expand_op_and_fetch): Declare.
1727 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1728 (setjmp_operand): Constify variables for XSTR.
1729 (ia64_encode_section_info): Likewise.
1730 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1732 (ia64_asm_output_external): Constify name.
1733 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1734 (process_for_unwind_directive): Provide switch default.
1735 (ia64_expand_compare_and_swap): Remove unused variables.
1736 (ia64_expand_builtin): Likewise.
1737 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1740 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1741 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1742 (shift_count_operand, shift_32bit_count_operand): Likewise.
1743 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1744 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1745 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1746 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1747 (ia64_expand_builtin): Likewise.
1748 (call_multiple_values_operation): Make dest_regno unsigned.
1750 2000-05-06 Richard Henderson <rth@cygnus.com>
1752 * rtl.def (DEFINE_COND_EXEC): New.
1753 * md.texi: Document it.
1755 * gensupport.c (input_file): Remove.
1756 (struct queue_elem): Add lineno.
1757 (rtx_ready_queue): Remove.
1759 (predicable_default): New.
1760 (predicable_true, predicable_false): New.
1761 (define_attr_queue, define_attr_tail): New.
1762 (define_insn_queue, define_insn_tail): New.
1763 (define_cond_exec_queue, define_cond_exec_tail): New.
1764 (other_queue, other_tail): New.
1765 (queue_pattern): New.
1766 (process_rtx): Add patterns to the appropriate queues.
1767 (is_predicable, identify_predicable_attribute): New.
1768 (n_alternatives, collect_insn_data): New.
1769 (alter_predicate_for_insn, alter_test_for_insn): New.
1770 (shift_output_template, alter_output_for_insn): New.
1771 (process_one_cond_exec, process_define_cond_exec): New.
1772 (init_md_reader): Read the entire file. Process define_cond_exec.
1773 (read_md_rtx): Return elements from the queues.
1775 2000-05-06 Richard Henderson <rth@cygnus.com>
1777 * flow.c (mark_set_1): Don't update conditional life info
1778 if the register is not_dead.
1780 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1782 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1783 (mostlyclean): Also delete fixincl, fixinc.sh, and
1784 specs.ready, and make clean in the fixinc subdir.
1786 2000-05-06 Richard Henderson <rth@cygnus.com>
1788 * Makefile.in (gensupport.o): Compile for the host.
1789 (host-prefix gensuuprt.o): Remove.
1790 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1791 (genattrtab.o): Likewise.
1792 (gencodes.o): Depend on gensupport.h.
1793 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1794 (genpeep.o, genattr.o, genoutput.o): Likewise.
1796 * gensupport.c (obstack, rtl_obstack): New.
1797 (init_md_reader): Initialize rtl_obstack.
1798 * gensupport.h (rtl_obstack): Declare.
1799 (message_with_line): Declare.
1801 * genattr.c: Remove all traces of obstack manipulation.
1802 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1803 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1805 * genattrtab.c (obstack, rtl_obstack): Remove.
1806 (main): Don't init rtl_obstack.
1807 * genflags.c: Likewise.
1809 * genrecog.c (message_with_line): Move ...
1810 * gensupport.c: ... here.
1812 2000-05-06 Richard Henderson <rth@cygnus.com>
1814 * c-typeck.c (build_c_cast): Remove dead code.
1816 2000-05-06 Richard Henderson <rth@cygnus.com>
1818 * flow.c (split_edge): Don't allocate global_live_at_start for
1819 the new block unless the old blocks had them as well.
1821 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1823 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1824 test_bb if a or b uses x.
1826 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1828 * cpphash.h: Remove conditional #define of __extension__.
1829 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1830 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1831 (ENABLE_RTL_CHECKING only).
1832 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1833 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1834 (ENABLE_TREE_CHECKING only).
1835 * varray.h: Add __extension__ to VARRAY_CHECK macro
1836 (ENABLE_CHECKING only).
1838 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1840 Use new tail-calling mechanism on ARM.
1841 * arm.md (sibcall, sibcall_value): New expands.
1842 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1843 (tailcalling peepholes): Delete.
1844 (push_multi): Simplify.
1845 * arm.c (lr_save_eliminated): Delete definition.
1846 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1847 (output_return_instruction): Remove checks on lr_save_eliminated.
1848 (output_arm_prologue): Remove old tail-calling code.
1849 (arm_output_epilogue): New parameter, really_return. All callers
1850 changed. Handle tail-calling epilogues.
1851 * arm.h (lr_save_eliminated): Delete declaration.
1852 (frame_pointer_needed): Delete declaration.
1853 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1855 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1857 * arm.c (thumb_code): Define it.
1858 (arm_override_options): Set it.
1859 * arm.h (thumb_code): Declare it.
1861 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1863 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1865 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1867 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1868 bogus clobber to insns.
1869 (load_multiple_operation, store_mulitple_operation): Don't check
1871 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1873 * arm.md (and_scc, ior_scc): Add missing mode.
1875 * arm.md (call_value_symbol): Remove predicate from op2.
1877 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1879 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1881 * expr.c (get_subtarget): New function.
1882 (force_operand, expand_expr, do_store_flag): Use it.
1884 * toplev.c (compile_file): Don't take strlen of NAME if null.
1886 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1888 * xcoffout.c (xcoff_current_include_file,
1889 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1890 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1892 (xcoffout_declare_function): Make name 'const char *'.
1893 (xcoffout_end_epilogue): Make fname 'const char *'
1894 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1895 xcoffout_declare_function, xcoffout_source_line): Match above.
1897 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1899 * rs6000.c (print_operand): Fix lossage typo.
1900 (output_cbranch): Remove "cr" decoration for now.
1901 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1903 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1905 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1908 2000-05-05 Bruce Korb <bkorb@gnu.org>
1910 * fixinc/genfixes: Improve the matching for make target names
1912 2000-05-05 Catherine Moore <clm@cygnus.com>
1914 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1915 attribute to the decl.
1916 * c-decl.c (pushdecl): Propagate the USED attribute to the
1919 2000-05-05 Richard Henderson <rth@cygnus.com>
1921 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1922 same way emit_group_load does.
1924 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1926 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1928 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1931 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1933 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1935 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1937 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1938 to support -shared, on platforms with dynamic libraries.
1940 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1942 * system.h (S_ISBLK): Provide fallback definition.
1944 2000-05-05 Geoff Berry <geoffb@bops.com>
1946 * extend.texi (Extended Asm): Document inability to give asm
1947 statements access to condition codes.
1949 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1951 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1952 as arg 2 of UNIQUE_SECTION.
1954 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1956 * predict.c: Remove May 4 change.
1957 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1958 if we have predicted the branch at 50-50 probability.
1960 2000-05-05 Richard Henderson <rth@cygnus.com>
1962 * flow.c (init_propagate_block_info): Fix merge error
1963 in HAVE_conditional_execution code.
1965 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1967 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1968 shift cycle for unknown shift count. Also generates dec + brpl.
1969 (ashlqi3_out): Don't generate dec + brpl which now generates by
1970 `out_shift_with_cnt'.
1971 (ashlhi3_out): Likewise.
1972 (ashlsi3_out): Likewise.
1973 (ashrqi3_out): Likewise.
1974 (ashrhi3_out): Likewise.
1975 (ashrsi3_out): Likewise.
1976 (lshrqi3_out): Likewise.
1977 (lshrhi3_out): Likewise.
1978 (lshrsi3_out): Likewise.
1980 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1982 * gcc.c (free_split_directories): Correct typo in explanation
1983 of make_relative_prefix.
1985 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1987 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1988 comparison codes to branch_comparison_operator.
1990 2000-05-04 Richard Henderson <rth@cygnus.com>
1992 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1994 2000-05-04 Richard Henderson <rth@cygnus.com>
1996 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1997 (DPBIT_FUNCS): Remove _sf_to_usi.
1998 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2000 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2001 between condition and jump.
2003 * libgcc2.c (near eh_context_specific): Comment #endif string.
2004 * longlong.h: Don't use strings with embedded newlines.
2006 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2008 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2009 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2010 (print_operand): Delete %t and %T codes.
2011 (output_cbranch): New function. Support branch prediction.
2012 * config/rs6000/rs6000.md: Use output_cbranch for
2013 conditional branches and returns.
2015 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2017 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2018 * stor-layout.c (place_field): Likewise.
2019 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2020 * expr.c (store_expr): Make align unsigned.
2021 * explow.c (plus_constant_wide): Make low words unsigned.
2022 * expmed.c (choose_multiplier): Likewise.
2023 * fold-const.c (fold): Likewise.
2024 * tree.h (build_int_2): Likewise.
2025 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2026 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2027 (init_emit): Change cast to unsigned char*.
2028 * varasm.c (compare_constant_1): Add cast to char*.
2029 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2030 * reload1.c (reload): Likewise.
2032 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2034 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2036 * predict.c (estimate_probability): If no prediction was found, then
2037 predict the successor that is the next physical block (if such a
2040 2000-05-04 Richard Henderson <rth@cygnus.com>
2042 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2044 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2046 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2048 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2050 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2051 attribute macros from here ...
2052 (CPP_SPEC): to here.
2053 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2054 (CPP_SPEC): Likewise.
2055 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2057 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2058 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2060 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2064 * diagnostic (vbuild_message_string, build_message_string,
2065 build_location_prefix, output_get_prefix, init_output_buffer,
2066 output_notice, vline_wrapper_message_with_location,
2067 v_message_with_decl, default_print_error_function): De-constify.
2068 (set_real_maximum_length): Prototype.
2070 * diagnostic.h (struct output_buffer, init_output_buffer,
2071 output_get_prefix, output_set_prefix): De-constify.
2073 * function.c (init_function_start): Constify.
2075 * gensupport.c (remove_constraints, process_rtx): Prototype.
2077 * gthr-posix.h: Indent uses of #pragma.
2079 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2082 * predict.c (find_expected_value): Delete prototype.
2083 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2085 * sbitmap.h (debug_sbitmap): Prototype.
2087 * ssa.c (compute_coalesced_reg_partition): Prototype.
2089 * stor-layout.c (debug_rli): Prototype.
2091 * tree.h (round_down): Prototype.
2092 (init_function_start): Constify.
2094 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2096 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2097 (overly conservative). Change extern inline wrappers to
2098 static inline, define them always, use PARAMS properly.
2099 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2100 whitespace warnings for \f and \v at the beginning of a line.
2102 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2104 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2107 2000-05-04 Bruce Korb <bkorb@gnu.org>
2109 * fixincl/inclhack.def: added broken_cabs -
2110 Remove `extern double cabs' declarations from math.h
2111 * fixincl/inclhack.sh: regen
2112 * fixincl/fixincl.x: regen
2113 * fixincl/fixincl.c: Remove BOGOSITY code
2114 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2116 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2118 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2120 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2121 when calling MEM_COPY_ATTRIBUTES.
2122 * emit-rtl.c (operand_subword, change_address): Likewise.
2123 * explow.c (stabilize): Likewise.
2124 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2125 * integrate.c (copy_rtx_and_substitute): Likewise.
2126 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2127 when calling MEM_COPY_ATTRIBUTES.
2128 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2130 * cse.c (gen_lowpart_if_possible): Likewise.
2131 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2132 * optabs.c (gen_move_insn): Likewise.
2133 * recog.c (validate_replace_rtx_1): Likewise.
2134 * simplify-rtx.c (add_mem_for_addr): Likewise.
2135 * stmt.c (expand_anon_union_decl): Likewise.
2136 * config/arm/arm.md: Likewise.
2137 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2138 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2139 (block_move_no_loop, block_move_sequence): Likewise.
2140 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2141 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2142 Clear MEM_ALIAS_SET.
2143 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2144 MEM_COPY_ATTRIBUTES.
2146 2000-05-03 Robert Lipe <robertlipe@usa.net>
2148 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2149 to suppress libgcc1.
2150 (i[34567]86-*-sco3.2v5*) Likewise.
2151 (i[34567]86-*-sco3.2v4*) Likewise.
2152 (i[34567]86-*-sco) Likewise.
2153 (i[34567]86-*-solaris2) Likewise.
2154 (i[34567]86-*-sysv5*) Likewise.
2155 (i[34567]86-*-sysv4*) Likewise.
2156 (i[34567]86-*-udk*) Likewise.
2157 (i[34567]86-*-sysv*) Likewise.
2159 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2161 * cpphash.h (U): New define, to correct type of string constants.
2162 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2163 routines, to do casts when passing unsigned strings to libc.
2164 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2166 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2167 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2168 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2169 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2170 second argument an U_CHAR *.
2172 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2173 length field, clean up initializer.
2174 (ISTABLE): Add __extension__ to designated-
2175 initializers version.
2176 * cpplex.c (CHARTAB): Likewise.
2178 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2179 case so the file won't be empty.
2181 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2183 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2184 (REORDER_BLOCK_SUCC): Removed.
2185 (enum reorder_skip_type): Removed.
2186 (skip_insns_between_block): Renamed to skip_insns_after_block.
2187 Removed second argument. Removed dead code and cleaned up.
2188 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2189 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2190 second parameter to skip_insns_after_block.
2192 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2194 * tree.c (staticp, case LABEL_DECL): New case.
2196 2000-05-03 Richard Henderson <rth@cygnus.com>
2198 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2200 * mklibgcc1.in: Fix typo last change.
2202 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2204 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2205 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2206 (GCC_CFLAGS): Use it.
2207 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2208 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2209 objc/Make-lang.in: Use it.
2211 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2213 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2215 2000-05-03 Richard Henderson <rth@cygnus.com>
2217 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2218 LIBGCC1 empty with libgcc1.null.
2220 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2222 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2225 2000-05-03 Greg McGary <gkm@gnu.org>
2227 * tree.h (tree_common): Add bounded_flag member. Remove
2228 inaccurate comment about number of remaining bits.
2229 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2230 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2231 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2232 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2233 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2234 (TYPE_QUAL_BOUNDED): New constant.
2235 (TYPE_QUALS): Handle bounded qualifier.
2236 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2237 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2238 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2239 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2240 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2241 (tree_type): Add pointer_depth member. Remove
2242 inaccurate comment about number of remaining bits.
2243 (DECL_POINTER_DEPTH): Add macro.
2244 (tree_decl): Add pointer_depth member.
2246 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2248 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2249 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2250 (lshrhi3_out): Likewise.
2251 (ashrsi3_out): bugfix in shift by 8.
2252 (test_hard_reg_class): New function.
2253 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2254 (ashlhi3): removed define_expand of this pattern.
2255 (*ashlhi3_insn): renamed to ashlhi3.
2256 (ashlsi3): removed define_expand of this pattern.
2257 (*ashlsi3_insn): renamed to ashlsi3.
2258 (ashrqi3): removed define_expand of this pattern.
2259 (*ashrqi3_insn): renamed to ashrqi3.
2260 (ashrhi3): removed define_expand of this pattern.
2261 (*ashrhi3_insn): renamed to ashrhi3.
2262 (ashrsi3): removed define_expand of this pattern.
2263 (*ashrsi3_insn): renamed to ashrsi3.
2264 (lshrhi3): removed define_expand of this pattern.
2265 (*lshrhi3_insn): renamed to lshrhi3.
2266 (lshrsi3): removed define_expand of this pattern.
2267 (*lshrsi3_insn): renamed to lshrsi3.
2269 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2271 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2272 inclusion of "system.h".
2274 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2276 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2279 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2281 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2282 if -mauto-pic is on.
2283 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2284 -mconstant-gp is in effect and function-descriptors are being used
2285 to make indirect calls.
2286 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2287 (MASK_AUTO_PIC): Ditto.
2288 (TARGET_CONST_GP): Ditto.
2289 (TARGET_AUTO_PIC): Ditto.
2290 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2291 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2292 -mno-pic is in effect.
2293 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2294 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2295 -mauto-pic is in effect.
2296 (gprel64_offset): New pattern.
2297 (load_gprel64): Ditto.
2298 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2299 -mconstant-gp is in effect, no need to preserve gp around direct
2301 (call_value): Ditto.
2302 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2303 (FUNCTION_PROFILER): Define.
2304 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2305 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2306 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2308 2000-05-03 Richard Henderson <rth@cygnus.com>
2310 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2311 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2312 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2313 (mklibgcc, libgcc.mk): New targets.
2314 (libgcc.a): Use libgcc.mk.
2315 (stmp-multilib): Likewise.
2316 (stmp-multilib-sub): Remove.
2317 (mostlyclean): Don't delete libgcc2 temp files.
2318 * configure.in (AC_PROG_CC_C_O): Add.
2319 (NO_MINUS_C_MINUS_O): Substitute it.
2320 (all_outputs): Add mklibgcc.
2321 * mklibgcc.in: New file.
2323 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2325 * cppexp.c (op_t): Make an int.
2327 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2329 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2331 * gensupport.c (process_rtx): Fix macros used.
2333 2000-05-03 Richard Henderson <rth@cygnus.com>
2335 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2336 call-clobbered registers of a call.
2338 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2340 * gensupport.c: New file.
2341 * gensupport.h: New file.
2342 * Makefile.in (HOST_RTL): Depend on gensupport.
2343 (gensupport.o) New rule.
2344 * genattr.c: Use gensupport for reading .md files.
2345 * genattrtab.c: Ditto.
2346 * gencodes.c: Ditto.
2347 * genconfig.c: Ditto.
2349 * genextract.c: Ditto.
2350 * genflags.c: Ditto.
2351 * genopinit.c: Ditto.
2352 * genoutput.c: Ditto.
2354 * genrecog.c: Ditto.
2355 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2356 * md.texi (Insn Splitting): Document define_insn_and_split.
2358 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2360 * flow.c (verify_flow_info): Added two more sanity checks. The
2361 first checks that the blocks are numbered consecutively. The second
2362 checks that n_basic_blocks is actually equal to the number of
2363 basic blocks in the insn chain.
2365 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2367 * cpplib.h: Add accessor macros for token lists.
2368 * cpplib.c, cpphash.c, cpplex.c: Use them.
2370 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2373 memory usage if not in a function.
2374 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2375 return address if static.
2377 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2379 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2380 whether address may trap.
2382 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2384 * bb-reorder (chain_reorder_blocks): Changed code to test for
2385 EDGE_FALLTHRU rather than making erroneous assumption that the
2386 first outgoing edge is the fall-through edge.
2388 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2390 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2391 ABI for varargs, across all MIPS. This is incompatible because the
2392 va_list (__builtin_va_list) structure is different, so a compilation
2393 unit passing a va_list and a compilation unit being passed one, should
2394 both be compiled with the same ABI. (The old structure had two
2395 pointers, now it has three.)
2397 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2399 * bb-reorder.c (struct reorder_block_def): Remove members end,
2400 block_begin, and block_end.
2401 (REORDER_BLOCK_OLD_END): Delete.
2402 (REORDER_BLOCK_BEGIN): Delete.
2403 (REORDER_BLOCK_END): Delete.
2404 (chain_reorder_blocks): Remove dead code.
2406 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2408 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2409 notes as the end of a basic block before deleting.
2411 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2413 * final.c (final_start_function): Fix spelling of "necessary".
2415 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2417 * toplev.c (debug_ignore_block): Return int.
2418 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2419 * toplev.h, dwarf2out.h: Adjust.
2420 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2422 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2423 * toplev.c, final.c, rtl.h: Adjust.
2425 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2427 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2428 * configure.in: Look for makeinfo in the unified tree, then
2429 for a system makeinfo which is sufficiently new.
2430 * Makefile.in: If configure says makeinfo is too old, don't
2431 build or install Info documentation.
2433 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2435 * cpphash.c (collect_params): Fix off-by-one error.
2436 (dump_hash_helper): Dump all four macro nodetypes.
2438 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2440 * cpphash.c (trad_stringify): Adjust p after stringification as
2443 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2445 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2446 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2448 * cppfiles.c (file_cleanup): Delete.
2449 * cpphash.c (macro_cleanup): Delete.
2450 (collect_objlike_expansion, collect_funlike_expansion,
2451 macarg, scan_arguments): Remove CPP_POP case.
2453 * cpplex.c (null_cleanup): Delete.
2454 (cpp_pop_buffer): Do the work that was done in the cleanups
2455 here. Call _cpp_unwind_if_stack from here.
2456 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2457 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2458 stack is the buffer _below_ the one we stacked.
2459 (cpp_get_token): Always pop an exhausted buffer. Return
2460 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2461 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2462 increment the line number.
2463 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2465 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2466 we see CPP_EOF and the top of stack is the buffer _below_ the
2468 * scan-decls.c: Likewise.
2470 2000-05-02 Andrew Haley <aph@cygnus.com>
2472 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2473 where this function is called for the second time on a decl that
2474 has had its section info changed in such a way as to move it out
2476 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2478 2000-05-01 Richard Henderson <rth@cygnus.com>
2480 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2481 the sequence we're moving, not to merge_bb->head.
2483 2000-05-01 Richard Henderson <rth@cygnus.com>
2485 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2486 reference to alpha/t-linux.
2487 (alpha*-*-linux-gnu*): Likewise.
2488 * configure: Rebuild.
2490 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2492 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2495 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2497 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2499 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2502 2000-05-01 Richard Henderson <rth@cygnus.com>
2504 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2505 emit_conditional_move.
2507 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2509 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2510 as the dynamic linker.
2512 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2514 * cppfiles.c (open_include_file): Open file in blocking mode.
2515 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2516 Only exclude block devices and directories.
2518 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2519 static. Allocate the hashnode and its string in the same
2521 (del_HASHNODE): Don't free h->name.
2522 (_cpp_lookup): If there is no entry for this string, create
2523 one, of type T_VOID.
2524 (_cpp_lookup_slot): Delete.
2525 * cpphash.h: Update prototypes.
2527 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2529 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2530 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2531 node here, just fill in the value field properly. "Delete"
2532 entries by setting the value field to T_VOID. Check for
2533 hp->type == T_VOID, not hp == NULL.
2535 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2536 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2539 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2541 * config/mn10300/mn10300.c (print_operand_address): Do not add
2544 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2545 adjusted by less than 256 bytes, use ret regardless of having any
2546 callee-saved register to restore.
2548 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2550 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2552 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2554 * config/i386/djgpp.h (INT_ASM_OP): Define.
2555 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2556 (ASM_WEAKEN_LABEL): Define.
2557 (MASK_BNU210): Define.
2558 (SUBTARGET_SWITCHES): Define.
2559 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2560 (MAKE_DECL_ONE_ONLY): Define.
2561 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2563 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2565 * i386/cygwin.h (INT_ASM_OP): Define.
2567 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2569 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2570 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2572 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2574 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2575 __tmp_reg__ and __zero_reg__ initialization.
2577 2000-04-30 Richard Henderson <rth@cygnus.com>
2579 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2581 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2582 referenced bewteen the condition and the jump. Don't delete
2583 anything but the jump.
2585 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2587 * bb-reorder.c (scope_def): New struct.
2588 (scope_forest_info): New struct.
2589 (struct reorder_block_def): New member "scope".
2590 (REORDER_BLOCK_SCOPE): New macro.
2591 (relate_bbs_with_scopes): New function and prototype.
2592 (make_new_scope): Likewise.
2593 (build_scope_forest): Likewise.
2594 (remove_scope_notes): Likewise.
2595 (insert_intra_1): Likewise.
2596 (insert_intra_bb_scope_notes): Likewise.
2597 (insert_inter_bb_scope_notes): Likewise.
2598 (rebuild_scope_notes): Likewise.
2599 (free_scope_forest_1): Likewise.
2600 (free_scope_forest): Likewise.
2601 (dump_scope_forest): Likewise.
2602 (dump_scope_forest_1): Likewise.
2603 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2604 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2606 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2607 and remove_scope_notes before reordering is done. Added calls to
2608 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2609 after reordering is done.
2611 2000-40-30 Bruce Korb <bkorb@gnu.org>
2613 * fixinc/inclhack.def: Added definitions needed by OSR5,
2614 removed two stale entries (defined away with OLD_CPP).
2615 * fixinc/inclhack.sh: regen
2616 * fixinc/fixincl.x: regen
2618 2000-04-30 Richard Henderson <rth@cygnus.com>
2620 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2621 from the last insn in the sequence.
2623 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2625 * cpplex.c (cpp_idcmp): New function.
2626 * cpplib.h: Prototype it.
2627 * scan_decls.c (scan_decls): Use it to inspect token names.
2628 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2629 the file being run through the preprocessor.
2630 (check_macro_names): Provide length of token to cpp_defined.
2632 * Makefile.in: Remove stale warning message.
2634 * cppfiles.c (redundant_include_p): Provide length of token to
2636 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2637 values are unsigned int.
2638 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2639 (_cpp_lookup_slot): Do not calculate the hash, either.
2640 * cpphash.h: Update prototypes.
2641 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2642 Hashes are unsigned int. Calculate hash here, pass by value
2643 to _cpp_lookup_slot.
2645 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2647 * simplify-rtx.c (check_value_useless): Delete function.
2648 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2650 (cselib_invalidate_regno): Likewise.
2651 (cselib_invalidate_mem_1): Likewise.
2652 (references_value_p): Recognize useless values by the fact that they
2654 (discard_useless_values): Likewise.
2655 (cselib_record_set): This may turn a useless value
2658 2000-04-30 Richard Henderson <rth@cygnus.com>
2660 * config/d30v: New port.
2662 * configure.in (d30v-*): Set fp format.
2663 * configure: Rebuild.
2665 2000-04-30 Richard Henderson <rth@cygnus.com>
2667 * ifcvt.c: New file.
2668 * Makefile.in (OBJS): Add it.
2669 (ifcvt.o): New target.
2670 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2671 and conditional arithmetic.
2672 (find_insert_position): Remove.
2673 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2674 * toplev.c (DFI_ce, DFI_ce2): New.
2675 (dump_file): Add ce and ce2 dumps.
2676 (rest_of_compilation): Run if_convert a couple o times. Set
2677 cse_not_expected after cse2. Don't set no_new_pseudos until
2678 after sched1 or recompute_reg_usage.
2680 2000-04-30 Richard Henderson <rth@cygnus.com>
2682 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2683 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2685 2000-04-30 Richard Henderson <rth@cygnus.com>
2687 * flow.c (struct reg_cond_life_info): New.
2688 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2689 (init_propagate_block_info): Initialize them.
2690 (free_propagate_block_info): Destruct them.
2691 (mark_set_1): Consider conditional life before killing a register.
2692 (mark_regno_cond_dead): New.
2693 (free_reg_cond_life_info): New.
2694 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2695 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2696 (mark_used_reg): Record conditional life.
2698 * haifa-sched.c (schedule_insns): Disable death counting
2699 sanity check for HAVE_conditional_execution.
2701 2000-04-30 Richard Henderson <rth@cygnus.com>
2703 * Makefile.in (TIMEVAR_H): New.
2704 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2705 (timevar.h): Remove rule.
2707 2000-04-29 Richard Henderson <rth@cygnus.com>
2709 * config/alpha/crtend.asm: Use C comments instead of #.
2710 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2712 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2714 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2716 * cpphash.h (enum node_type: Take out T_MCONST.
2717 (union hashval): Move into struct hashnode.
2718 (struct hashnode): Pack tighter. Remove file, line, col
2720 * cpphash.c: Constify most of the macro-definition structures.
2721 (struct definition): Replace by struct object_defn
2722 and struct funct_defn. Put file, line, column information
2723 here. All users updated to match.
2724 (_cpp_create_definition, _cpp_macroexpand): Remove special
2725 case for #define WORD OTHERWORD.
2726 * cpplib.c (do_undef): Remove T_MCONST case.
2728 * cpphash.h: Move struct reflist, struct definition, and the
2729 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2730 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2731 * cpphash.c (_cpp_free_definition): Free data pointed to by
2732 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2733 (_cpp_create_definition, del_HASHNODE): Just call
2734 _cpp_free_definition to clear out a hashnode.
2735 * cpplib.c (do_pragma_poison): Likewise.
2737 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2739 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2740 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2741 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2742 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2743 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2744 REGNO_AM33_P): Redefine in terms of the new macros.
2745 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2746 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2747 STRUCT_VALUE): Likewise.
2748 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2749 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2751 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2753 * regmove.c (struct record_stack_memrefs_data): New.
2754 (record_stack_memrefs): New function.
2755 (combine_stack_adjustments_for_block): Use it.
2757 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2759 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2760 use special_function_p to detect alloca.
2762 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2764 * gcc.texi: Fixes for makeinfo 4.0 --html.
2766 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2768 * pcp.h: Delete file.
2770 2000-04-28 Kazu Hirata <kazu@hxi.com>
2772 * h8300.c (function_epilogue): Clean up flags when the last insn
2773 in a function is a barrier.
2775 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2777 * configure.in (sparc-hal-solaris2*): protect [] glob from
2779 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2780 rather than hard-coded constants in target_cpu_default2.
2781 * configure: Regenerate.
2783 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2785 * tree.c (get_callee_fndecl): Extract the initial value from
2788 2000-04-28 Richard Henderson <rth@cygnus.com>
2790 * varasm.c (record_constant_1): Record the CODE_LABEL when
2791 taking the address of a LABEL_REF.
2793 2000-04-28 Richard Henderson <rth@cygnus.com>
2794 Jan Hubicka <jh@suse.cz>
2796 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2797 adjustment; don't do the stack adjust.
2798 (expand_call): Call compute_argument_block_size right before
2799 allocating the block; update comment; don't do alignment sanity
2800 checking for sibling call; use args_size instead of
2801 unadjusted_args_size before args_size is adjusted. Use
2802 combine_pending_stack_adjustment_and_call to compute stack adjust
2803 for must_preallocate case.
2805 * expr.c (push_block): Remove shadow `temp' in inner scope.
2807 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2809 * toplev.c (rest_of_compilation): Call
2810 note_deferral_of_defined_inline_function even if the function
2813 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2815 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2817 2000-04-28 Richard Henderson <rth@cygnus.com>
2819 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2821 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * timevar.c (init_timevar): DeANSIfy function definition.
2825 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2827 * Makefile.in (timevar.o): Depend on flags.h.
2828 * timevar.c (unused_stack_instances): New variable.
2829 (timevar_push): Take a timevar_stack_def from
2830 unused_stack_instances if available.
2831 (timevar_pop): Push the popped timevar_stack_def onto
2832 unused_stack_instances.
2833 (TIMEVAR_ENABLE): New macro.
2834 (timevar_def): Make standalone a 1-bit field. Add field used.
2835 (get_time): Rename parameter to now. Return after clearing it if
2837 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2838 (timevar_pop): Likewise.
2839 (timevar_stop): Likewise.
2840 (timevar_push): Likewise. Mark the timing variable as used.
2841 (timevar_start): Likewise.
2842 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2843 timevars that were never used.
2845 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2847 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2848 always TREE_READONLY.
2850 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2852 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2853 for call instruction with mode QImode.
2855 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2857 * Makefile.in (OBJS): Add timevar.o.
2858 (toplev.o): Depend on timevar.h.
2859 (ggc-simple.o): Likewise.
2860 (ggc-page.o): Likewise.
2861 (timevar.o): New rule.
2862 (timevar.h): New rule.
2864 * timevar.h: New file.
2865 * timevar.c: Likewise.
2866 * timevar.def: Likewise.
2868 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2869 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2871 (TIMEVAR): Remove macro.
2872 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2873 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2874 flow_time, combine_time, regmove_time, sched_time,
2875 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2876 sched2_time, dbr_sched_time, reorder_blocks_time,
2877 rename_registers_time, shorten_branch_time, stack_reg_time,
2878 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2880 (compile_file): Don't initialize time variables. Call
2881 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2882 of many calls to print_time.
2883 (rest_of_compilation): Add timing for reload_cse_regs.
2884 (get_run_time): Removed to timevar.c.
2885 (print_time): Likewise.
2886 (get_run_time): Implement using TV_TOTAL time variable.
2887 (print_time): Get total run time from get_run_time.
2888 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2889 computing elapsed time explicitly.
2890 * ggc-simple.c (ggc_collect): Likewise.
2891 (gc_time): Remove declaration.
2893 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2895 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2896 (expand_call): Use it.
2898 2000-04-27 Jan Hubicka <jh@suse.cz>
2900 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2903 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2905 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2908 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2910 * function.c (epilogue_done): Pass whole insn to record_insns.
2912 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2914 * cse.c (CSE_ADDRESS_COST): Remove.
2915 (find_best_addr): Add new parameter "MODE", use address_cost instead
2917 (address_cost): New.
2918 (fold_rtx): Update call of find_best_addr.
2919 * rtl.h (address_cost): Declare.
2920 * loop.c (general_induction_var): Add new parameter "MODE", use
2921 address_cost instead of ADDRESS_COST
2922 (init_loop): Use address_cost instead of ADDRESS_COST.
2923 (check_insn_for_givs): Update call of general_induction_var.
2924 (find_mem_givs): Likewise.
2925 (consec_sets_giv): Likewise.
2926 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2927 * i386.c (ix86_address_cost): New.
2928 * i386-protos.h (ix86_address_cost): Declare.
2930 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2932 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2935 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2937 * expr.c (store_expr): Use clear_storage instead of direct memset
2940 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2942 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2943 ASHIFT, AND and LABEL_REF.
2945 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2947 * invoke.texi (-foptimize-sibling-calls): Fix.
2949 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2951 * loop.c (load_mems) Don't use hard registers for the hoisting.
2953 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2954 calculation; rename const_equiv array in the preconditioning code
2955 from loop_unroll to loop_unroll_precondition
2957 2000-04-27 Richard Henderson <rth@cygnus.com>
2959 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2961 (propagate_one_insn): Clear it. Don't update reg_live here.
2962 (init_propagate_block_info): Update for pbi member changes.
2963 (free_propagate_block_info): Likewise.
2964 (mark_set_1): Know that zero_extract, sign_extract, and
2965 strict_low_part don't kill their argument. Alter hard subregs.
2966 Update new_set for non-CLOBBER sets. Update reg_live.
2967 (find_auto_inc): Update reg_live, not new_dead.
2968 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2969 to determine if the reg in question was set this insn. Only update
2970 reg info with PROP_REG_INFO.
2972 2000-04-26 Richard Henderson <rth@cygnus.com>
2974 * flow.c (allocate_reg_life_data): Set max_regno here ...
2975 (life_analysis): ... not here.
2977 * flow.c (calculate_global_regs_live): Force stack pointer
2980 2000-04-26 Richard Henderson <rth@cygnus.com>
2982 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2983 commit change group changes.
2984 (invert_exp_1): Similarly.
2985 (redirect_exp, invert_exp): Use them.
2986 (redirect_jump_1): New.
2987 (invert_jump_1): New.
2988 (jump_optimize_1): Remove code subsumed by condexec.c.
2989 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2991 2000-04-26 Richard Henderson <rth@cygnus.com>
2993 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2995 * genconfig.c (main): Set all HAVE_foo to 1.
2997 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2999 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3001 * invoke.texi: Document -fssa flag.
3003 2000-04-26 Richard Henderson <rth@cygnus.com>
3005 * flow.c (count_reg_sets_1): Remove.
3006 (count_reg_sets, count_reg_references): Remove.
3007 (recompute_reg_usage): Implement with update_life_info.
3008 Reallocate life data.
3010 2000-04-26 Richard Henderson <rth@cygnus.com>
3012 * flow.c (update_life_info): Consider blocks null to mean the
3014 (calculate_global_regs_live): Likewise.
3015 (life_analysis): Do that instead of collecting all_blocks.
3017 2000-04-26 Richard Henderson <rth@cygnus.com>
3019 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3020 a still-valid conditional jump.
3022 2000-04-26 Richard Henderson <rth@cygnus.com>
3024 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3026 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3027 * flow.c (calculate_loop_depth): Remove.
3028 * output.h (calculate_loop_depth): Don't declare.
3029 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3030 inline; run estimate_probability at the same time.
3032 2000-04-26 Neil Booth <NeilB@earthling.net>
3034 * cpplib.h: "~=" is not a single pp-token.
3035 * cpplex.c: Correct commentary.
3037 2000-04-26 Richard Henderson <rth@cygnus.com>
3039 * flow.c (mark_set_1): New arguments code and flags; update all
3040 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3041 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3042 loop_depth when optimizing for size. Do new_dead update after
3043 emitting REG_UNUSED notes. Merge mark_set_reg code.
3044 (mark_set_reg): Remove.
3045 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3046 arrange to not emit REG_UNUSED notes.
3048 2000-04-26 Richard Henderson <rth@cygnus.com>
3050 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3051 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3053 2000-04-26 Richard Henderson <rth@cygnus.com>
3055 * flow.c (propagate_one_insn): Break out from propagate_block.
3056 (init_propagate_block_info): Likewise.
3057 (free_propagate_block_info): Likewise.
3058 (propagate_block): Use them. Export.
3059 * basic-block.h: Declare them all.
3061 2000-04-26 Richard Henderson <rth@cygnus.com>
3063 * basic-block.h (life_analysis): Declare here ...
3064 * output.h: ... not here.
3065 * flow.c (life_analysis): Remove nregs parameter; replace
3066 remove_dead_code with flags. Remove ssa dead code check.
3067 Only init alias analysis if we'll use it.
3068 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3069 * ssa.c (convert_to_ssa): Likewise.
3070 (convert_from_ssa): Likewise.
3071 * toplev.c (rest_of_compilation): Likewise.
3073 2000-04-26 Richard Henderson <rth@cygnus.com>
3075 * flow.c (flow_delete_block): Rename from delete_block. Export.
3076 * basic-block.h (flow_delete_block): Declare.
3078 2000-04-26 David S. Miller <davem@redhat.com>
3080 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3081 taking a PATTERN of it.
3083 2000-04-26 <NeilB@earthling.net>
3085 * cpplex.c (spell_other, spell_char): Remove.
3087 (token_spelling, trigraph_map): Use unsigned chars.
3088 (_cpp_lex_line): Tidy up the switch statement.
3089 * cpplib.h: Implement spell_char with spell_string.
3092 2000-04-26 <RodneyBrown@pmsc.com>
3094 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3095 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3097 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3100 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3101 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3102 dwarf2out_return_save, dwarf2out_return_reg,
3103 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3104 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3105 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3107 * dwarf2out.h (dwarf2out_init): Likewise.
3109 * dwarfout.c (filename_entry, primary_filename, last_filename,
3110 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3112 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3113 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3114 dwarf2out_return_reg): Likewise.
3116 2000-04-26 Andreas Jaeger <aj@suse.de>
3118 * extend.texi (Function Attributes): Fix description of pure
3121 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3123 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3124 before calling rest_of_compilation.
3126 2000-04-26 Andreas Jaeger <aj@suse.de>
3128 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3131 2000-04-25 Richard Henderson <rth@cygnus.com>
3133 * cse.c (cse_insn): Emit barrier after unconditional jump.
3135 * calls.c (expand_call): Disable tail call generation once
3136 rtx_equal_function_value_matters is false.
3138 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3141 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3143 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3145 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3147 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3148 is the primary DIE for a member function.
3149 (gen_decl_die): Call set_decl_origin_self here.
3150 * dwarfout.c (output_decl): And here.
3151 * integrate.c (output_inline_function): Not here.
3152 Don't clear DECL_INLINE until after calling rest_of_compilation.
3153 (set_decl_origin_self): No longer static.
3154 * tree.h: Add prototype.
3155 * toplev.c (note_deferral_of_defined_inline_function): Only write
3156 out abstract instance for actual inlines.
3158 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3160 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3161 EXTENDED_REGS only if TARGET_AM33.
3162 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3163 SP_REGS to register allocation and reloading unless absolutely
3165 (movsi3): Remove special-case of adding non-constants to SP.
3167 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3169 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3170 INCLUDES to search and does not provide any of its own. Also it
3171 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3172 parameters. Also it does not call AC_DEFINE.
3173 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3174 AC_DEFINE and provides for automatic entries for autoheader.
3175 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3177 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3178 so we can pass -I flags and include gansidecl.h/system.h in this
3181 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3183 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3185 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3186 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3187 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3189 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3190 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3191 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3192 for these macros. Clean up spacing and linewraps.
3194 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3196 * calls.c (expand_call): Use get_callee_fndecl.
3198 * print-tree.c (print_node): Print the chain of an _EXPR.
3200 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3201 Jim Wilson <wilson@cygnus.com>
3202 Andrew Haley <aph@cygnus.com>
3204 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3205 and gp save/restore problems.
3206 * config/ia64/crtend.asm: Add IA-64 unwind support.
3207 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3208 in fr_pad_size calculation.
3209 (save_restore_insns): Move PR save area. Correct uses of
3210 RTX_FRAME_RELATED_P.
3211 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3212 (ia64_expand_epilogue): Add eh_epilogue support.
3213 (ia64_function_prologue): Emit .prologue directive.
3214 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3215 (ia64_override_options): Set init_machine_status and
3216 mark_machine_status.
3217 (rtx_needs_barrier): Handle bsp reads and writes.
3218 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3219 New static variables.
3220 (process_set, process_for_unwind_directive): New functions.
3221 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3222 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3223 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3225 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3226 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3227 (struct machine_function): Define.
3228 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3230 2000-04-25 Bruce Korb <bkorb@gnu.org>
3232 * fixinc/Makefile.in: make the removal of old programs more
3234 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3235 install-bin and install-sh
3237 2000-04-25 Nick Clifton <nickc@cygnus.com>
3239 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3240 defined, define to return zero.
3241 (function_cannot_inline_p): If a function has any target
3242 specific attributes, then use the macro
3243 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3244 whether it can be inlined. If it cannot, issue a suitable
3247 * tm.texi: Add a new node 'Inlining' to document the new macro
3248 FUNCTION_ATTRIBUTE_INLINABLE_P.
3250 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3252 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3255 2000-04-25 Neil Booth <NeilB@earthling.net>
3257 Restore previous patch, plus the following fixes:
3259 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3260 flags, not CPP_OPEN_PAREN.
3261 * cpplex.c (expand_token_space, init_token_list,
3262 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3263 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3265 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3267 * config/i386/freebsd.h (INT_ASM_OP): Define.
3269 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3271 * loop.c (strength_reduce): Fix typo in the last checkin.
3273 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * stor-layout.c (finalize_record_size): Simplify to use existing
3277 (compute_record_mode): No longer static.
3278 * tree.h (compute_record_mode): New declaration.
3280 2000-04-25 Neil Booth <NeilB@earthling.net>
3282 * Revert my patch below until cause of build failures
3285 2000-04-25 Richard Henderson <rth@cygnus.com>
3287 * combine.c (combine_instructions): Add missing argument
3290 * toplev.c (rest_of_compilation): Delay sibcall optimization
3291 until after emit_eh_context.
3293 2000-04-24 Nick Clifton <nickc@redhat.com>
3295 * combine.c (combine_instructions): Do not try to combine a
3296 sequence of insns when the second insn has been replaced by a
3299 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3301 * gcc.c (load_specs): New static function.
3302 (read_specs): Use it.
3304 * gcc.c (lookup_compiler): Make multiple passes for case
3305 insensitive filesystems.
3307 2000-04-24 Neil Booth <NeilB@earthling.net>
3309 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3310 * cpphash.h (_cpp_check_directive): new.
3311 * cpplex.c (handle_newline, cpp_free_token_list,
3312 init_trigraph_map, trigraph_ok, trigraph_replace,
3313 backslash_start, skip_block_comment, skip_line_comment,
3314 skip_whitespace, parse_name, parse_number, parse_string,
3315 copy_comment, _cpp_lex_line, spell_char, spell_string,
3316 spell_comment, spell_name, spell_other, _cpp_lex_file,
3317 _cpp_output_list): new.
3318 (expand_name_space): take length argument.
3319 (init_token_list): add comment list initialisation.
3320 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3321 instead of HSPACE_BEFORE.
3323 * cpplib.c (_cpp_check_directive): new
3324 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3325 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3326 (HSPACE_BEFORE): delete.
3327 (TTYPE_TABLE): rearrange.
3328 (struct cpp_toklist): update.
3330 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3332 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3333 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3334 argument form of AC_DEFINE.
3336 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3337 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3338 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3339 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3340 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3342 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3344 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3346 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3347 deduced.h): Use -isystem, not -I, for including system headers.
3349 2000-04-24 Nick Clifton <nickc@cygnus.com>
3351 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3352 the source register is the frame pointer or arg pointer.
3353 (addsi3_small_int): Disallow if source register is the frame
3354 pointer or arg pointer.
3356 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3358 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3359 call to AC_MSG_RESULT.
3361 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3363 * invoke.texi: Correct grammatical errors, document
3364 -fno-gnu-keywords as identical to -fno-asm for C++.
3366 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3368 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3369 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3370 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3371 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3372 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3374 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3375 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3376 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3377 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3380 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3382 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3383 (pop_alignment): Likewise.
3384 (handle_pragma_token): Likewise.
3386 2000-04-24 Robert Lipe <robertlipe@usa.net>
3388 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3390 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3392 * combine.c (try_combine): Update reg_nonzero_bits of
3393 newi2pat before newpat.
3395 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3397 * loop.c (strength_reduce): Simplify test to INSN_P.
3398 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3399 expressions instead of CONST_INT.
3400 (express_from_1): Likewise.
3402 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3404 * regs.h (reg_n_max): Don't declare.
3405 * flow.c (reg_n_max): Don't define.
3406 * regclass.c (renumber): Don't initialize to zero.
3407 (regno_allocated): Likewise.
3408 (reg_n_max): Define.
3409 (allocate_reg_info): Don't initialize unnecessarily.
3411 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3413 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3414 and blockage_p in the newly allocated attribute.
3416 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3418 * config/mn10300/mn10300.md (addsi): `inc4' on address
3419 registers does not modify cc, but `inc' on an extended
3422 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3424 * reload.c (find_equiv_reg): Checks all valueno regs
3425 as a reload_reg_p regs.
3427 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3429 * cpphash.c (collect_objlike_expansion): Add sanity check.
3430 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3431 the buffer is the empty string, return. Mark __DATE__ and
3432 __TIME__ as XCONST nodes, not MCONST.
3433 (_cpp_macroexpand): Avoid pushing an empty buffer.
3434 (funlike_macroexpand): Don't pop token_buffer here.
3436 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3438 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3439 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3440 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3441 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3442 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3443 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3444 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3446 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3448 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3451 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3453 * cpphash.h (struct definition): Move file, line, col members...
3454 (struct hashnode): ... here. Also add 'disabled' flag.
3455 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3456 T_IDENTITY. Remove T_DISABLED.
3459 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3460 (collect_expansion): Split into collect_objlike_expansion and
3461 collect_funlike_expansion.
3462 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3463 funlike_macroexpand.
3464 (_cpp_compare_defs): Rename compare_defs, make static.
3465 (_cpp_make_hashnode): Initialize hp->disabled.
3466 (macro_cleanup): Adjust for new token types. Clear
3468 (_cpp_create_definition): Move code here to determine what
3469 sort of macro it is, and code to check for redefinitions, from
3470 do_define. Implement a few simple cases without creating a
3472 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3473 Handle the simple cases.
3474 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3477 * cppinit.c (builtin_array): Change MCONST to XCONST
3479 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3480 fix check for disabled and function-like macros.
3481 * cpplib.c (do_define): Move most logic to
3482 _cpp_create_definition.
3483 (do_undef): Handle new special token types.
3485 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3487 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3488 of CONSTANT_P for mult_val; always use validate_change to update insn.
3490 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3492 * cpphash.c (trad_stringify, add_pat): New functions.
3493 (collect_expansion): Restore support for -traditional syntax.
3494 Use trad_stringify and add_pat.
3495 (_cpp_macroexpand): Restore support for -traditional semantics.
3496 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3497 get a COMMENT token.
3498 (_cpp_lex_token): Provide COMMENT tokens to caller if
3499 traditional and parsing_define_directive.
3500 (skip_comment): Warn about // comments if -Wtraditional.
3501 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3503 (do_undef): Don't warn about undefining EMPTY nodes.
3505 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3507 * loop.c (strength_reduce): Fix biv removal code.
3509 2000-04-22 Richard Henderson <rth@cygnus.com>
3511 * predict.c (estimate_probability): Examine both sides of
3512 a branch for no exits. Use 90% not 50% for predict taken.
3513 Reorg for one copy of note generation code.
3515 2000-04-22 Richard Henderson <rth@cygnus.com>
3517 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3519 2000-04-22 Richard Henderson <rth@cygnus.com>
3521 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3522 (output_clear): Likewise.
3523 (output_printf): Use va_copy.
3524 (vline_wrapper_message_with_location): Likewise.
3525 (v_message_with_decl): Likewise.
3526 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3527 * system.h (va_copy): Provide default implementation.
3529 2000-04-22 Richard Henderson <rth@cygnus.com>
3531 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3532 the collected condition is not a constant.
3534 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3536 * diagnostic.h: New file.
3538 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3540 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3541 various function prototypes.
3542 (diagnostic.h): #include.
3543 (struct output_buffer): Move into diagnostic.h.
3544 (get_output_prefix): Rename to output_get_prefix. Export.
3545 (init_output_buffer): Export. Break out. Ajust intialization.
3546 (output_space_left, output_append): Export.
3547 (output_newline): Rename to output_add_newline. Export.
3548 (output_clear): Nullify additional output_buffer fields.
3549 (output_puts): Rename to output_add_string. Export.
3550 (dump_output): Rename to output_flush_on. Export.
3551 (build_location_prefix): Constify return-type.
3552 (emit_output_prefix): Rename to output_emit_prefix. Export.
3553 (set_real_maximum_length): New function.
3554 (output_set_maximum_length): Ditto
3555 (output_clear): Ditto.
3556 (output_add_character): Ditto.
3557 (output_add_integer): Ditto.
3558 (output_add_space): Ditto.
3559 (output_format): Ditto.
3560 (output_printf): Adjust buffer initialization.
3561 (vline_wrapper_message_with_location): Ditto.
3562 (v_message_with_decl): Ditto. Adjust call to output_puts
3563 and get_output_prefix.
3564 (default_print_error_function): Adjust buffer intialization.
3566 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3568 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3571 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3573 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3576 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3578 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3579 accurate data about SP moves.
3581 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3583 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3584 aliases to AM33 registers.
3586 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3588 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3589 to all EXTENDED bitmaps.
3591 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3593 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3594 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3595 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3597 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3599 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3600 the operand is not constant.
3602 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3604 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3605 as a call-clobbered regs.
3607 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3609 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3611 * rtl.def: Update comment.
3612 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3613 * integrate.c (expand_inline_function): Likewise.
3614 * profile.c (branch_prob): Likewise.
3615 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3616 * print-rtl.c (print_rtx): Likewise.
3617 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3618 (reemit_notes): Likewise; also use enum insn_note.
3620 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3621 (place_field): Properly compute know and actual alignment.
3623 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3626 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3629 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3631 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3632 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3633 (collect_expansion): Rewrite to scan over a token list.
3634 Remove -traditional support.
3635 (collect_formal_parameters): Rename to collect_params; rewrite
3636 to scan over a token list.
3637 (_cpp_create_definition): Adjust to scan a token list.
3638 (_cpp_macroexpand): Remove -traditional support.
3639 (_cpp_compare_defs): Whitespace is now canonicalized.
3640 (comp_def_part): Delete function.
3642 * cpphash.h: Update prototypes.
3643 * cpplex.c (init_token_list): Don't set lineno if there is no
3645 (pedantic_whitespace): New function.
3646 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3647 consume a newline. Use pedantic_whitespace.
3648 (_cpp_lex_token): Remove support for -traditional macros.
3649 (_cpp_get_define_token): Delete.
3650 (_cpp_get_directive_token): Do the real work here. Use
3651 pedantic_whitespace.
3652 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3654 * cpplib.c (get_macro_name): Delete.
3655 (do_define): Read the entire line into pfile->directbuf, then
3656 feed the token list to _cpp_create_definition.
3657 * cpplib.h (HSPACE_BEFORE): new define.
3658 (struct cpp_reader): Add a toklist member, "directbuf".
3660 * predict.c (estimate_probability): New heuristic: if a jump
3661 branches around a block with no successors, predict it taken.
3662 Disentangle control flow.
3664 2000-04-20 Richard Henderson <rth@cygnus.com>
3666 * loop.c (emit_iv_add_mult): Revert last change.
3668 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3670 * cpplib.h (enum cpp_ttype): Add token types for all
3671 punctuators. Distinguish pp-numbers from valid C numbers.
3672 Give some tokens better names. Initialize from macro.
3673 (struct cpp_name, cpp_token, cpp_toklist): New data
3676 * cpplex.c (bump_column, expand_name_space,
3677 expand_token_space, init_token_list, cpp_output_list,
3678 _cpp_scan_line): New functions.
3679 (output_line_command): Add third argument, new line number.
3680 * cpphash.h: Update prototypes.
3681 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3684 2000-04-20 Richard Henderson <rth@cygnus.com>
3686 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3688 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3690 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3693 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3695 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3696 REG_EQUAL note explaining the calculated value.
3698 * calls.c (expand_call): Avoid unnecesary precalculation
3699 and outgoing parameters space guarding for sibling calls.
3700 (store_one_arg): Likewise.
3702 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3704 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3705 (rest_of_compilation): Write sibling dump file and account
3706 for time as jump time.
3707 * invoke.texi: Update documentation on dump flags.
3709 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3711 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3713 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3715 * cpphash.c (special_symbol): Represent an empty macro with
3716 "\r \r " not just "\r ".
3717 (_cpp_macroexpand): Correct condition for the foo ( ) special
3719 (unsafe_chars): Handle EOF as second argument.
3720 (push_macro_expansion): Simplify test for removing escape at
3721 end. Do not trim both escapes if there is no text in between.
3723 2000-04-19 Jim Blandy <jimb@redhat.com>
3725 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3726 of PTR_SIZE, when appropriate.
3728 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3730 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3731 (USE_ENUM_BITFIELDS): Fix typo.
3733 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3735 * stor-layout.c (place_field): Set rli->offset_align properly.
3737 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3739 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3740 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3741 PARM_BOUNDARY): Remove unnecessary casts.
3743 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3745 * calls.c (precompute_arguments): Remove must_preallocate and
3747 (expand_call): Update call of precompute_arguments.
3749 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3750 check_insn_for_givs): Break out from ...
3751 (strength_reduce) ... here; use for_every_insn_in_loop to call
3752 check_insn_for_givs.
3753 * loop.h (for_every_insn_in_loop): Declare.
3754 (loop_insn_callback): New type.
3756 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3758 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3761 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3763 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3766 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3768 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3770 * configure.in: Delete --disable-cpplib option and all
3771 references to cpp_main.
3772 * configure: Regenerate.
3773 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3774 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3775 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3776 cpp$(exeext). Add --no-headers to makeinfo command line when
3777 generating INSTALL. Install and uninstall cpp.1 manpage, not
3779 * install.texi: Delete all references to cexp.y/cexp.c.
3780 Delete ancient instructions for compiling GCC on 3b1.
3781 * INSTALL: Regenerate.
3783 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3784 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3785 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3787 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3788 which is no longer tested anywhere.
3790 * cppinit.c (handle_option): Don't run error message through
3793 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3795 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3796 * cpperror.c (hashtab.h): Now include.
3797 * cppexp.c (hashtab.h): Likewise.
3798 * cpplex.c (hashtab.h): Likewise.
3799 * cppfiles.c (hashtab.h): Likewise.
3800 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3801 to htab_find_slot_with_hash.
3802 * cpphash.c (hashtab.h): Now include.
3803 (_cpp_lookup_slot): INSERT is now enum insert_option.
3804 * cpphash.h (_cpp_lookup_slot): Likewise.
3805 * cppinit.c (hashtab.h): Include earlier.
3806 (initialize_builtins): Pass enum to htab_find_slot.
3807 * cpplib.c (hashtab.h): Now include.
3808 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3809 (do_pragma_poison, do_assert): Likewise.
3810 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3811 htab_find_slot_with_hash.
3812 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3813 * tree.c (type_hash_add): Likewise.
3814 (build1): Minor cleanup.
3816 * ggc-common.c: Add missing blanks.
3817 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3818 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3820 * stmt.c (mark_case_node): New function.
3821 (mark_case_nesting): Call it.
3823 * expmed.c (emit_store_flag): If comparing two-word integer
3824 with zero, can optimize NE, EQ, GE, and LT.
3826 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3827 * conflict.c: Minor cleanups.
3828 * optabs.c: Add blank line
3829 * simplify-rtx.c: Minor cleanups.
3831 2000-04-18 Stan Cox <scox@cygnus.com>
3833 * gengenrtl.c (genlegend): Fix misspelling.
3835 2000-04-18 Robert Lipe <robertlipe@usa.net>
3837 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3838 bitfields of the host compiler are not signed quantities.
3839 * config.in: Regenerate.
3840 * configure: Regenerate.
3841 * system.h (USE_ENUM_BITFIELDS): Added.
3842 (ENUM_BITFIELDS): Added.
3843 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3844 (SHORT_ENUM_BUG): Deleted.
3845 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3847 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3848 (CODE_FIELD_BUG): Likewise.
3849 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3851 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3853 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3855 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3858 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3860 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3861 * cpplib.c (do_include, do_import, do_include_next,
3862 read_line_number, detect_if_not_defined): Likewise.
3863 * cpphash.c (collect_expansion): Likewise.
3864 (special_symbol, _cpp_macroexpand): Check return from
3866 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3867 macros. Delete all uses.
3869 * gcc.dg/cpp-mi.c: Add two more test cases.
3870 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3872 2000-04-17 Richard Henderson <rth@cygnus.com>
3874 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3875 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3877 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3879 * function.c (expand_function_start): Use hard_function_value to
3880 compute the RTL to use for DECL_RESULT.
3882 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3884 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3885 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3886 x86_memory_mismatch_stall): New global variables.
3887 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3888 alloved; fix load penalties for Athlon.
3889 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3890 x86_memory_mismatch_stall): Declare.
3891 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3892 TARGET_MEMORY_MISMATCH_STALL): New.
3893 * i386.md (athlon scheduling parameters): Fix latencies according to
3894 Athlon Optimization Manual.
3895 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3897 (fsqrt instruction patterns): Set athlon_decode to direct.
3898 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3899 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3900 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3901 and TARGET_PARTIAL_REGISTER_STALL machines.
3902 (pushdf_nointeger): New pattern.
3903 (pushdf_integer): Rename from pushdf.
3904 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3905 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3907 2000-04-17 Richard Henderson <rth@cygnus.com>
3909 * loop.c (canonicalize_condition): Add WANT_REG argument.
3910 Stop the search if we match it.
3911 * expr.h (canonicalize_condition): Update decl.
3912 * predict.c (expected_value_to_br_prob): Use it. Track last
3913 expected value note.
3914 (find_expected_value): Remove.
3916 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3918 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3920 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3921 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3923 * configure.in: Call AC_FUNC_MMAP_FILE.
3924 * configure: Regenerate.
3925 * config.in: Regenerate.
3927 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3928 * fixinc/fixincl.c: Likewise.
3930 2000-04-17 Richard Henderson <rth@cygnus.com>
3932 * builtins.c (expand_builtin_expect): New.
3933 (expand_builtin): Call it.
3934 * builtins.def (BUILT_IN_EXPECT): New.
3935 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3936 * extend.texi: Document it.
3938 * predict.c (expected_value_to_br_prob): New.
3939 (find_expected_value): New.
3940 * basic-block.h (expected_value_to_br_prob): Declare.
3941 * toplev.c (rest_of_compilation): Invoke it.
3943 * rtl.h (NOTE_EXPECTED_VALUE): New.
3944 (NOTE_INSN_EXPECTED_VALUE): New.
3945 * rtl.c (note_insn_name): Update.
3946 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3947 cases; handle NOTE_INSN_EXPECTED_VALUE.
3949 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3951 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3952 leaf sibcall delay slot if flag_pic.
3953 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3955 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3957 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3959 * fixproto: If fix-header fails, exit with an error.
3961 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3963 * cse.c (struct check_depdendence_data): New.
3964 (check_dependence): New function.
3965 (invalidate): Use check_depdenence.
3967 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3969 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3970 UNITS_PER_WORD is unsigned.
3972 * tree.h (struct tree_common): Remove misleading comment.
3974 2000-04-16 Dave Pitts <dpitts@cozx.com>
3976 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3977 message in quotes. Otherwise, IBM's make program treats the '#' as the
3978 start of a comment and ignores the remainder of the line.
3980 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3982 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3983 * cexp.y (initialize_random_junk): Likewise.
3984 * cppfiles.c (find_include_file): Cast alloca return value.
3985 * cppinit.c (initialize_standard_includes): Likewise.
3986 * cpplib.c (cpp_define, cpp_undef): Likewise.
3987 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3988 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3989 * fold-const.c (CHARMASK): New.
3990 (real_hex_to_f): Use it.
3991 * real.c (CHARMASK): New.
3992 (etoasc, asctoeg): Use it.
3993 (asctoeg): EBCDIC lower case characters preceed upper case.
3995 * i370.c (mvs_add_label): Change spacing for coding conventions.
3996 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3997 outputing case vectors.
3998 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3999 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4000 since vector in in the data CSECT.
4001 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4002 * i370.md (Many patterns): Put the length in the XL directives.
4003 (movdi): Put back STM and MVC in definition.
4004 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4005 pattern using the TCA.
4006 * oe.h (CPP_SPEC): Added to allow trigraphs.
4007 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4008 not support the "long long" type.
4010 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4012 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4014 (mips_reg_mode_ok_for_base_p): Likewise.
4015 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4016 (REG_OK_FOR_INDEX_P): Define unconditionally.
4017 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4018 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4019 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4020 that GET_MODE_SIZE is unsigned.
4021 (mips_reg_mode_ok_for_base_p): Define.
4022 (mips_legitimate_address_p): Likewise. Adjust now
4023 that GET_MODE_SIZE is unsigned.
4024 (block_move_loop): Make the number of bytes unsigned.
4025 (expand_block_move): Likewise.
4026 (function_arg): Make the loop counter unsigned to match the
4029 2000-04-16 Richard Henderson <rth@cygnus.com>
4031 * rtl.h (enum insn_note): New enumeration. Subsume
4032 NOTE_INSN_DELETED and friends.
4033 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4034 * rtl.c (note_insn_name): Tweak string order.
4036 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4038 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4041 * cpplex.c (output_line_command): Remove debugging prints.
4042 (cpp_output_tokens): Don't write out a zero-length buffer or
4043 try to see if it has a newline in it.
4044 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4045 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4046 the end of the loop. Use memmove. Don't read past the end of
4047 the buffer. Remove trailing newlines from error messages.
4049 2004-04-16 Neil Booth <NeilB@earthling.net>
4051 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4052 * cpplib.c: Add new syntax flags to directive table, and
4055 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4057 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4060 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4062 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4063 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4065 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4067 * Makefile.in (ggc-page.o): Now includes toplev.h.
4068 * ggc-page.c (toplev.h): Now included.
4069 (gc_time): Remove declaration.
4070 (ggc_collect): TIME now long.
4071 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4073 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4075 * toplev.c: Make *_time variable long to reduce chance of overflow.
4076 (TIMEVAR): Likewise for `otime'.
4077 (print_time): Arg is now long; compute percentage in FP and round.
4078 * toplev.h (print_time): Arg is long.
4080 * tree.c: Minor whitespace changes.
4082 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4083 * configure: Rebuilt.
4084 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4085 (__fixunsxfDI): Renamed from __fixunsxfdi.
4086 (__fixunsdfDI): Renamed from __fixunsdfdi.
4087 (__fixunssfDI): Renamed from __fixunssfdi.
4088 (__floatdisf): Use proper type in REP_BIT macro.
4089 (__fixunsxfSI): Renamed from __fixunsxfsi.
4090 (__fixunsdfSI): Renamed from __fixunsdfsi.
4091 (__fixunssfSI): Renamed from __fixunssfsi.
4092 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4093 Change location of macros and upper-case some names as above.
4094 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4095 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4097 * varasm.c (assemble_variable): Add cast to remove warning.
4098 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4100 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4101 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4102 region number to -1.
4104 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4106 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4107 call unshare_all_rtl.
4109 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4111 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4113 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4114 Use .s1 not .s0 for all FP instructions.
4116 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4118 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4120 (safe_fwrite, output_line_command): New static functions.
4121 (cpp_expand_to_buffer): Now private to cpplib.
4122 (cpp_scan_buffer): Take a printer.
4124 * cpphash.h: Update prototypes.
4125 * cpplib.h: Update prototypes.
4127 (cpp_buffer): Remove last_nominal_fname.
4128 (cpp_reader): Remove lineno.
4130 * cppmain.c: Use a cpp_printer.
4131 * fix-header.c: No need to inhibit line commands. Call
4132 cpp_start_read with no printer.
4134 * cpperror.c (cpp_notice_from_errno): Provide default name.
4135 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4136 (find_include_file, cpp_read_file): Use make_IHASH.
4137 (file_cleanup): Set control_macro and clear
4138 input_stack_listing_current here.
4139 (_cpp_execute_include): Don't output entering-file marker.
4140 * cpphash.c (special_symbol): Look for the line number in the
4141 buffer, not the reader.
4142 (_cpp_macroexpand): No need to disable line commands.
4143 (_cpp_dump_definition): No need to generate line commands.
4144 (dump_hash_helper): Remove excess newline from output.
4145 * cppinit.c (dump_special_to_buffer): No need to generate line
4147 (cpp_printer_init): New.
4148 (cpp_start_read): Take a printer, and start it up if it's not
4149 NULL. No need to generate line commands.
4150 (cpp_finish): Expect no buffers stacked at all. Take a
4151 printer argument, and flush the output buffer if it's not
4153 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4154 Don't put two hashes at the beginning of an assertion.
4155 (cpp_get_token): Don't increment pfile->lineno or emit line
4156 commands here. Return EOF if there's no buffer when we get
4158 * cpplib.c (do_define, skip_if_group):
4159 No need to disable line commands.
4160 (_cpp_output_line_command): Delete function.
4161 (do_line): Don't emit line commands here, but set things up so
4162 they will be emitted if necessary. Use _cpp_fake_ihash to
4163 make unique nominal_fnames if necessary.
4164 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4165 with 0 for column, not -1.
4166 (_cpp_handle_eof): Don't set the control macro here. Don't
4167 clear input_stack_listing_current here. Don't emit line
4170 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4172 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4173 always, use the default SVR4 start address.
4175 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4176 (LINK_SHLIB_SPEC): Define.
4177 (LINK_START_DEFAULT_SPEC): Define.
4178 (LINK_OS_DEFAULT_SPEC): Define.
4180 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4182 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4183 __do_global_ctors to handle constructors.
4184 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4185 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4186 (STARTFILE_MVME_SPEC): Likewise.
4187 (STARTFILE_SIM_SPEC): Likewise.
4188 (ENDFILE_ADS_SPEC): Use crtend.
4189 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4190 (ENDFILE_MVME_SPEC): Likewise.
4191 (ENDFILE_SIM_SPEC): Likewise.
4192 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4193 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4194 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4195 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4196 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4197 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4198 (CRTSTUFF_T_CFLAGS_S): Define.
4199 * config/rs6000/eabi-ctors.c: Delete.
4201 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4204 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4208 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4210 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4211 plus mask size is smaller or equal to the mode size.
4213 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4215 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4218 * expr.c (reload.h): Now included.
4219 (emit_block_move): Set volatile_ok when checking for movstr.
4220 (emit_move_1): Check for replacements in addresses in multi-word case.
4221 * Makefile.in (expr.o): Now includes reload.h.
4223 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4224 Never have a LIBCALL end a basic block.
4225 (find_basic_blocks_1): Likewise.
4226 Reorganize CALL_INSN cases.
4228 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4230 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4232 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4233 completers from mov.ret instruction.
4235 2000-04-14 Richard Henderson <rth@cygnus.com>
4237 * fold-const.c (extract_muldiv): Don't distribute and widen
4238 multiply across plus for non-sizetype unsigned types.
4240 2000-04-14 Richard Henderson <rth@cygnus.com>
4242 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4243 If the original source is dead in the incr insn, it's dead now.
4245 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4247 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4248 see if DECL_BIT_FIELD needs to still be set.
4250 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4252 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4253 print_int_cst_octal with something that's not an INTEGER_CST.
4255 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4256 and not a SUBREG to a FLOAT rtl.
4258 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4260 * emit-rtl.c (try_split): Avoid infinite loop if the split
4261 results in a sequence that contains the original insn.
4263 2000-04-13 Andreas Jaeger <aj@suse.de>
4265 * config/mips/mips.c (expand_block_move): Pass alignment
4266 argument to move_by_pieces in bits, not bytes.
4268 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4269 __pic__ for little endian.
4271 2000-04-13 Andreas Jaeger <aj@suse.de>
4273 * config/i386/i386-protos.h: Add prototype for
4274 uno_comparison_operator.
4276 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4278 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4279 * calls.c (ECF_PURE): New flag.
4280 (emit_call_1): Handle ECF_PURE calls.
4281 (initialize_argument_information): Unset ECF_PURE flag too.
4282 (precompute_arguments): Precompute for ECF_PURE too.
4283 (expand_call): Handle ECF_PURE calls too.
4284 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4285 accept value of 2 as pure function.
4286 (emit_library_call_value, emit_library_call): Rename no_queue argument
4288 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4290 * tree.h (DECL_IS_PURE): New macro.
4291 (struct tree_decl): Add pure_flag.
4292 * c-common.c (enum attrs): Add attribute "pure".
4293 (init_attributes): Initialize attribute "pure"
4294 (decl_attributes): Handle attribute "pure".
4295 * extend.texi (Attribute "pure"): Document.
4296 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4298 (flags_from_decl_or_type): Support attribute "pure".
4300 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4302 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4303 the token except for numbers and identifiers.
4305 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4307 * i386.c (ix86_expand_binary_operator,
4308 ix86_expand_unary_operator): Check no_new_pseudos
4309 instead of reload_in_progress and reload_completed.
4310 (ix86_split_ashldi, ix86_split_ashrdi,
4311 ix86_split_lshrdi): Check no_new_pseudos instead
4312 of reload_completed.
4314 2000-04-12 Jeffrey A Law (law@cygnus.com)
4316 * function.c (purge_addressof): Unshare any shared rtl created by
4317 purge_addressof and its children.
4319 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4321 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4324 2000-04-05 Andreas Jaeger <aj@suse.de>
4326 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4327 not compiling PIC code, add flags for mabi=64.
4328 (SUBTARGET_CPP_SIZE_SPEC): New.
4329 (SUBTARGET_CPP_SPEC): New.
4330 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4331 for MIPS/Linux and lots of code needs these defines.
4333 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4335 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4336 trying the "opposite arithmetic" approach.
4338 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4340 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4341 (struct sh_args): Add new field force_mem.
4342 (INIT_CUMULATIVE_ARGS): Initialize it.
4343 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4345 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4347 * calls.c (expand_call): Do not reverse args in "equal from" field.
4348 (emit_library_call_value_1): Emit_libcall_block for const and pure
4351 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4353 * reload1.c (reload_combine): Don't enable optimization for fixed
4354 registers when encountering a BARRIER.
4356 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4358 * builtins.c (expand_builtin_memcmp): Do expansion even with
4359 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4361 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4362 stack is propertly aligned; add sanity checking for aligned
4364 (expand_library_call_value_1): Add sanity checking for aligned
4367 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4369 * calls.c (emit_library_call_value_1): Change 3rd arg to
4370 locate_and_pad_parm to disregard the setting of partial.
4372 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4374 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4376 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4377 CALL_INSN from the normal case.
4379 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4381 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4382 New global variables.
4383 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4385 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4387 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4388 TARGET_ADD_ESP_8): New macros.
4389 * i386.md: Add peep2s to convert esp adjustments to push and pop
4391 (pushsi_prologue, popsi_epilogue): New patterns.
4393 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4395 * real.c (toe64): Remove stale #endif from the last change.
4397 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4399 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4400 * real.c (toe64): Revert previous change.
4402 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4404 * objc/objc-act.c: Include ggc.h.
4405 (objc_tree_index, objc_global_trees): Convert most of the
4406 static tree variables into a static array with previous names
4408 (objc_ellipsis_node): New variable.
4409 (lang_init): Call objc_act_parse_init and c_parse_init.
4410 Create objc_ellipsis_node.
4411 (build_selector_translation_table): Use objc_ellipsis_node instead
4413 (hack_method_prototype): Likewise.
4414 (get_arg_type_list): Likewise.
4415 (start_method_def): Likewise.
4416 (continue_method_def): Likewise.
4417 (gen_method_decl): Likewise.
4418 (ggc_mark_imp_list): New function.
4419 (ggc_mark_hash_table): New function.
4420 (objc_act_parse_init): New function.
4421 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4422 * c-parse.in (c_parse_init): For objc add roots of objc specific
4423 local tree variables.
4424 * objc/objc-parse.y: Rebuilt.
4425 * objc/objc-parse.c: Rebuilt.
4426 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4428 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4430 * cse.c (delete_trivially_dead_insns): Also delete insns
4431 that copy a register to itself where the destination is
4434 2000-04-11 Richard Henderson <rth@cygnus.com>
4436 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4437 (propagate_block): Initialize them. Use them in parallel instead
4438 of one tmp variable, ie revert much of the 0408 and 0407 functional
4439 changes, but keep the structural changes.
4440 (mark_set_regs): Take new_dead from propagate_block_info instead.
4441 (mark_set_1, mark_set_reg): Likewise.
4442 (mark_used_regs): Likewise with new_live.
4443 (mark_used_reg): Likewise. Revert 0408 change.
4445 2000-04-11 Nick Clifton <nickc@cygnus.com>
4447 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4449 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4451 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4453 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4454 const section to output a CONSTRUCTOR based on the same conditions
4457 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4459 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4460 * pa/pa-protos.h (output_call): Add additional argument indicating
4461 if the call is a sibling/tail call.
4462 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4463 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4464 (function_arg, function_arg_partial_nregs): Likewise
4465 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4466 (emit_move_sequence): Zero extend certain constants as needed
4468 (compute_zdepdi_operands, output_64bit_and): New functions.
4469 (output_64bit_ior, function_arg): Likewise.
4470 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4471 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4472 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4473 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4474 (output_bvb): Likewise.
4475 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4476 (output_call): New argument 'sibcall'. Generate sibcall sequences
4478 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4479 (ouput_arg_descriptor): Do not emit argument descriptors for
4481 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4483 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4484 (FUNCTION_OK_FOR_SIBALL): Define.
4485 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4486 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4487 (CPP_SPEC): Use new spec infrastructure.
4488 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4489 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4490 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4491 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4492 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4493 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4494 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4495 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4496 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4497 (FUNCTION_ARG); Call out to C code.
4498 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4499 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4500 (MIN_UNITS_PER_WORD): Likewise.
4501 * pa/pa.md (cmpdi): New expander.
4502 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4503 (64bit conditional arithmetic): New patterns.
4504 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4505 (movsicc): Not available if modes on all the operands to not match.
4506 (movdicc): New expander and associated patterns.
4507 (64bit branches): New patterns.
4508 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4509 (pre_ldd, post_std): New patterns.
4510 (64bit addil, load low part): New patterns.
4511 (special movsf constant): Not available for TARGET_64BIT.
4512 (movsf, movdf expanders): Force constants into memory.
4513 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4514 (64bit movdf/movdi patterns): New patterns.
4515 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4517 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4518 (adddi3 expander): Allow "arith_operand" for second input.
4519 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4520 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4521 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4522 (muldi3): New expander for TARGET_64BIT.
4523 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4525 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4526 patterns for TARGET_64BIT.
4527 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4528 patterns for TARGET_64BIT.
4529 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4530 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4531 (sibcall_epilogue): New expander.
4532 (casesi): Tweak for TARGET_64BIT.
4533 (call expanders): Set & use the outgoing argument pointer. Use the
4534 64bit call patterns as needed. Add additional arg to output_call.
4535 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4536 (sibcall, sibcall_internal_symref): New expanders.
4537 (sibcall_value, sibcall_value_internal_symref
4538 (interspace_jump): Turn into an expander + matching patterns.
4539 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4540 * pa/pa64-regs.h: Eliminate trigraph sequences.
4541 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4543 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4545 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4546 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4547 cpp_token with cpp_ttype everywhere.
4548 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4549 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4550 CPP_BUF_COL. Line and column numbers are unsigned int, not
4552 * cpplex.c (cpp_buf_line_and_col): Delete.
4553 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4554 'long lineno' to 'unsigned int lineno'.
4555 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4557 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4559 * extend.texi: ISO C99 is not a draft anymore.
4560 * invoke.texi: ISO C++ is not a draft anymore.
4561 * cpp.texi: __cplusplus is required by the ISO standard.
4563 * extend.texi (-fthis-is-variable): Undocument.
4564 * flags.h (warn_template_debugging): Remove declaration.
4565 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4566 -Wenum-clash, -Wtemplate-debugging): Undocument.
4568 2000-04-10 Nick Clifton <nickc@cygnus.com>
4570 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4572 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4574 (ARM_SIGN_EXTEND): Use HOST_UINT.
4575 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4576 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4577 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4578 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4580 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4581 (arm_gen_constant): Use HOST_UINT.
4582 (arm_canonicalize_constant): Use HOST_UINT.
4583 (arm_reload_in_hi): Use HOST_UINT.
4584 (arm_reload_out_hi): Use HOST_UINT.
4585 (output_multi_immediate): Use HOST_UINT.
4586 (int_log2): Use HOST_UINT.
4587 (arm_poke_function_name): Use HOST_UINT.
4588 (arm_output_epilogue): Use arm_volatile_func().
4589 (output_thumb_prologue): Use arm_strip_name_encoding().
4591 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4593 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4594 of sequence point problems.
4596 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4598 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4600 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4602 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * sbitmap.h: Whitespace changes and use upper-case macro args.
4605 (struct simple_bitmap_def): All sizes now unsigned.
4606 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4607 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4608 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4609 (sbitmap_zero): Cast bzero arg to PTR.
4610 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4611 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4612 loop to make structure clearer.
4613 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4614 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4615 (sbitmap_a_and_b_or_c): Likewise.
4616 (sbitmap_intersection_of_succs): Minor cleanups.
4617 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4618 (sbitmap_union_of_preds): Likewise.
4619 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4620 (debug_sbitmap): New function.
4622 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4623 * c-typeck.c (convert_for_assignment): Likewise.
4625 * expmed.c (init_expmed): Don't free objects we make.
4626 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4628 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4629 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4631 * gcse.c (expr_hash_table_size): Now unsigned.
4632 (compute_ae_gen): Local variable `i' now unsigned.
4633 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4634 (compute_transout, hoist_code): Likewise.
4635 (compute_local_properties): Likewise, also hash_table_size.
4636 (alloc_expr_hash_table): N_INSNS now unsigned.
4637 (delete_null_pointer_checks): Mark arg F as unused.
4639 * regrename.c: Minor cleanups, including chang some variables
4642 2000-04-10 Neil Booth <NeilB@earthling.net>
4644 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4646 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4648 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4650 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4651 __classof__, and __headof__ from the list of gnu keywords.
4652 (-ansi): Remove -foperator-names from list of implied options.
4653 Do not call it ANSI C++.
4654 (-foperator-names): Document as -fno-operator-names.
4656 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4658 * cpphash.c (timestamp): Delete.
4659 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4660 (special_symbol): Remove unnecessary braces. Remove
4661 T_VERSION. Treat T_STDC like T_CONST unless
4662 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4663 when one is encountered, then convert them into T_MCONST
4665 * cppinit.c (builtin_array): version_string is T_MCONST.
4666 __STDC__ has a "1" in its cpval. Don't have a terminator
4667 entry. Clean up which entries are dumped.
4668 (initialize_builtins): Only __STDC__ gets the special
4669 -traditional treatment. Count the length of builtin_array.
4670 Render version_string here.
4671 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4672 * cpplib.h (struct cpp_reader): Remove timebuf.
4674 2000-04-09 Richard Henderson <rth@cygnus.com>
4676 * genrecog.c (pred): Update comparison_operator for the unordered
4679 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4681 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4682 (uno_comparison_operator): New.
4683 (put_condition_code): Handle UNORDERED/ORDERED.
4684 (unsigned_comparison): Likewise.
4685 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4686 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4687 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4688 update all callers. Handle all 8 unordered operators.
4689 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4690 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4691 * config/i386/i386.h (PREDICATE_CODES): Update.
4692 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4693 (ix86_expand_branch, ix86_expand_setcc): Update.
4694 * config/i386/i386.md (sunordered, sordered): New.
4695 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4696 (bunordered, bordered): New.
4697 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4698 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4699 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4701 2000-04-09 Philip Blundell <philb@gnu.org>
4703 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4705 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4707 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4708 fix_truncxfhi2): New patterns.
4709 * i386.c (output_fix_trunc): Handle converting to HImode.
4711 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4713 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4715 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4716 (for_each_successor_phi): Change parameter to basic_block.
4717 (coalesce_regs_in_successor_phi_nodes): Likewise.
4718 (coalesce_regs_in_copies): Likewise.
4719 (compute_coalesced_reg_partition): Use basic_block instead of index.
4720 * rtl.h (convert_to_ssa): Delete.
4721 (convert_from_ssa): Likewise.
4722 (successor_phi_fn): Likewise.
4723 (for_each_successor_phi): Likewise.
4724 (in_ssa_form): Likewise.
4725 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4726 (convert_from_ssa): Likewise.
4727 (successor_phi_fn): Likewise.
4728 (in_ssa_form): Likewise.
4729 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4730 * flow.c (calculate_global_regs_live): Pass a basic_block to
4731 for_each_successor_phi.
4733 2000-04-08 Richard Henderson <rth@cygnus.com>
4735 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4736 was modified in the current insn.
4738 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4740 * arm/thumb.md: Delete.
4741 * arm/thumb-protos.h: Delete.
4743 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4745 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4747 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4749 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4752 * arm.md (nop): Use the standard RTL expression. Don't code as a
4754 (*arm_nop, *thumb_nop): Delete.
4756 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4757 constants. Use casts instead.
4758 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4759 output_multi_immediate, arm_poke_function_name): Likewise.
4760 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4761 MASK_RETURN_ADDDR): Likewise.
4763 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4765 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4768 * arm.md (eh_epilogue): New function.
4769 * arm.h (struct machine_function): Move to here ...
4770 * arm.c: ... from here.
4771 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4772 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4773 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4775 2000-03-30 Nick Clifton <nickc@cygnus.com>
4777 * config/arm/semi.h (ASM_SPEC): Restore definition.
4778 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4780 * config/arm/elf.h (ASM_SPEC): Restore definition.
4781 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4783 * config/arm/arm.h (ASM_SPEC): Remove definition.
4784 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4786 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4788 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4790 2000-03-24 Nick Clifton <nickc@cygnus.com>
4792 Various formating tidyups, elimination of compile time
4793 warnings and synchronisation with internal sources:
4795 * config/arm/arm-protos.h (assemble_align): Add prototype.
4796 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4797 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4798 (arm_return_addr_rtx): Rename to arm_return_addr.
4800 * config/arm/arm.c: Include except.h.
4801 Define shorter typenames for strict minipool_node and struct
4803 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4805 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4806 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4808 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4810 (ASM_SPEC): Define if not already defined.
4811 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4813 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4814 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4815 arm_gen_compare_reg.
4816 (indirect_jump): Only accept register operands.
4817 (load_indirect_jump): Keep this pattern since combine can generate
4820 * config/arm/coff.h: Include aout.h.
4821 (MULTILIB_DEFAULTS): Only define if not already defined.
4823 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4824 into arm.h (so that COFF ports can support thumb based aliases).
4825 (ASM_SPEC): Move definition into arm.h
4827 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4828 redundant apcs spec.
4829 (ASM_SPEC): Move definition to arm.h
4831 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4833 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4834 for entries in the .bss section
4836 2000-03-23 Nick Clifton <nickc@cygnus.com>
4838 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4839 to thumb_far_jump_used_p.
4841 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4842 single integer parameter.
4844 * config/arm/arm.c (struct machine_function): Add two new
4845 fields, 'far_jump_used' and 'arg_pointer_live'.
4846 (thumb_far_jump_used_p): Once the decision has been made that
4847 far jumps might be used, always return true.
4848 If being called from the initial elimination offset macro then
4849 do not bother to perform the test if the arg pointer is not
4851 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4852 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4854 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4856 * arm.c (output_return_instruction): Handle more cases where we can
4857 return from a function with an ldr instruction.
4858 (arm_output_epilogue): Likewise.
4860 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4861 if we need to push a large stack frame and there are no callee-saved
4864 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4865 in ARM code if the frame pointer has been eliminated.
4867 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4868 unspec_volatile arguments to avoid duplicates.
4869 (consttable_1, consttable_2): Fixes for big-endian mode.
4871 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4874 Re-write constant pool code.
4875 * arm.c (minipool_node, minipool_fix): New types.
4876 (minifix): Delete type.
4877 (arm_add_minipool_constant): Delete.
4878 (arm_compute_minipool_offsets, arm_find_barrier,
4879 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4880 (get_jump_table_size): Now returns HOST_WIDE_INT.
4881 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4883 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4884 (assign_minipool_offsets, arm_print_value): Likewise.
4885 (dump_minipool): Rewrite.
4886 (arm_barrier_cost): New function.
4887 (create_fix_barrier): New function.
4888 (push_minipool_barrier): New function.
4889 (push_minipool_fix): Record additional information about the fixup
4891 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4892 check the mode of what needs fixing.
4893 (arm_reorg): Rewrite.
4895 2000-03-08 Nick Clifton <nickc@cygnus.com>
4897 * config/arm/arm.md (indirect_jump): Force constant addresses into
4900 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4902 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4904 2000-02-24 Nick Clifton <nickc@cygnus.com>
4906 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4907 adjust is word aligned.
4908 (thumb_expand_epilogue): Make sure that stack adjust is word
4911 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4913 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4915 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4916 pointer relative addresses.
4918 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4920 * arm.c (find_barrier): Find the last barrier within the allowed
4923 2000-02-09 Nick Clifton <nickc@cygnus.com>
4925 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4927 2000-02-09 Nick Clifton <nickc@cygnus.com>
4929 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4930 ARM_FUNCTION_PROFILER.
4932 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4933 ARM_FUNCTION_PROFILER.
4935 * config/arm/linux-oldld.h: Imported from mainline sources.
4937 2000-02-07 Nick Clifton <nickc@cygnus.com>
4939 * config/arm/lib1funcs.asm: Merge in thumb functions from
4942 * config/arm/lib1thumb.asm: Delete.
4944 2000-02-04 Nick Clifton <nickc@cygnus.com>
4946 * config/arm/arm.c: Sychronised with current Red hat local
4948 * config/arm/arm.h: Ditto.
4949 * config/arm/arm-protos.h: Ditto.
4951 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4953 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4955 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4958 2000-02-02 Nick Clifton <nickc@cygnus.com>
4960 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4962 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4963 (return) was emited using an emit_insn() call.
4965 2000-01-31 Nick Clifton <nickc@cygnus.com>
4967 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4969 (thumb_exit): Move frame pointer back into hard frame pointer
4970 register if backtracing is being used.
4972 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4974 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4977 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4979 * config/arm/arm.md (neg_pool_offset): Provide default for new
4981 (arm_movsi_insn): Add neg_pool_offset attribute.
4982 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4983 rtx for the insn that starts the scan and an unsigned long for its
4984 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4985 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4986 instructions in *PINSERTED.
4987 (struct minipool_fixup): Add MIN_ADDRESS elt.
4988 (sort_fixups): Compute it.
4989 (arm_reorg): Changes to support inserting pools before the insn to be
4992 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4994 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4995 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4996 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4998 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5000 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5002 (TARGET_DEFAULT): Do not define if already defined.
5004 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5006 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5007 (iordi3): Allow disjoint source operands.
5008 (xordi3): Allow disjoint source operands.
5009 (negdi2): Permit construction for ARM and Thumb.
5010 (arm_negdi2): Renamed version of old negdi2 pattern.
5011 (thumb_negdi2): New pattern: Only permit non-overlapping
5012 source and destination.
5014 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5016 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5017 scratch low register so that it will not be deleted.
5019 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5021 * config/arm/pe.h (ARM_PE): Define.
5023 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5024 interfacearm attribute if this is a PE toolchain.
5025 (output_return_instruction): Do not emit anything if the function
5026 has the naked attribute set.
5027 (is_called_in_ARM_mode): If the function has the interfacearm
5028 attribute then return true.
5029 (thumb_expand_prologue): Do not generate a prologue for naked
5031 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5033 (output_thumb_prologue): Do not bother if the function is naked.
5034 Strip PE encoding from function name before emitting.
5036 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5038 * arm.md (pic_load_addr): Fix constraints.
5040 * arm.md (casesi_insn): Fix mis-applied patch.
5042 * arm.md ("core" function unit): Add rules for single- and
5044 (All TARGET_THUMB patterns): Add "type" attribute information
5046 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5047 the following insn is a CALL.
5049 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5051 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5052 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5053 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5055 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5057 * config/arm/linux-gas.h: oops - this file was missed out when the
5058 branch was created...
5060 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5062 * thumb.c: Deleted. Move contents to ...
5064 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5066 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5069 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5070 declare a prototype for asm_output_align();
5072 * arm.c (thumb_condition_code): Delete.
5073 (arm_print_operand): Always use arm_condition_code array.
5075 * arm.c (thumb_return_addr_rtx): Delete.
5076 (arm_save_machine_status, arm_restore_machine_status): Delete.
5077 (arm_init_machine_status, arm_mark_machine_status): New functions.
5078 (arm_init_expanders): Update accordingly.
5079 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5080 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5081 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5083 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5085 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5087 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5090 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5092 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5093 stack backtrace structure.
5095 * config/arm/arm-protos.h: Add prototypes for functions defined in
5098 * config/arm/arm.c (arm_override_options): Fix selection of
5099 attributes of default processor.
5101 * config/arm/coff.h: Delete needless #include.
5103 * config/arm/pe.c: Delete unused code.
5105 * config/arm/pe.h (CPP_DEFINES): Delete
5106 (SUBTARGET_CPP_SPEC): Define.
5107 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5109 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5111 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5113 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5115 (CAN_DEBUG_WITHOUT_FP): Define.
5116 (FIXED_REGISTERS): Make r11 call-saved.
5117 (CALL_USED_REGISTERS): Likewise.
5118 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5119 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5120 frame-pointer is required.
5121 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5122 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5123 if the target normally needs a stack frame in non-leaf functions.
5124 (use_return_insn): Correct logic for determining when a return
5125 instruction can be used.
5126 (output_return_instruction): Handle the frame-pointer register as
5127 a normal register when not TARGET_APCS_FRAME.
5128 (arm_output_prologue): Likewise.
5129 (arm_output_epilogue): Likewise.
5130 (output_func_epilogue): Likewise.
5131 (arm_expand_prologue): Likewise.
5132 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5134 * arm.c (use_return_insn): No need to check floating point regs if
5136 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5137 the code of value stored in the minipool array.
5138 (arm_add_minipool_constant): Likewise.
5140 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5142 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5144 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5146 * tree.c (tree_expr_nonnegative_p): New function.
5148 * tree.h (tree_expr_nonnegative_p): Declare.
5150 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5151 elide some sign_compare warnings.
5152 (build_conditional_expr): Likewise.
5154 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5156 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5158 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5159 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5160 operand. Abort if a 387 operand has an unsupported size.
5162 2000-04-08 Neil Booth <NeilB@earthling.net>
5164 * cppexp.c (parse_charconst): Null does not end character
5166 * cppinit.c (ISTABLE): Null character handled as whitespace.
5167 * cpplex.c (null_warning): new function.
5168 (skip_string): Emit warning if nulls encountered.
5169 (_cpp_skip_hspace): Emit warning if nulls encountered.
5170 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5174 2000-04-07 Richard Henderson <rth@cygnus.com>
5176 * flow.c (loop_depth): Remove.
5177 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5178 (struct propagate_block_info): New.
5179 (life_analysis): Don't allocate reg_next_use.
5180 (propagate_block_delete_insn): Break out of propagate_block.
5181 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5182 (propagate_block_delete_libcall): Likewise.
5183 (propagate_block): Create a propagate_block_info struct to pass
5184 to subroutines. Allocate one not two temporary regsets. Don't
5185 clobber memory for const calls. Look for clobbers in
5186 CALL_INSN_FUNCTION_USAGE.
5187 (mark_set_regs): Recognize COND_EXEC.
5188 (mark_set_reg): Break out of mark_set_1.
5189 (mark_used_reg): Break out of mark_used_regs.
5190 (mark_used_regs): Recognize COND_EXEC.
5191 (insn_dead_p): Use propagate_block_info struct.
5192 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5193 (find_auto_inc, try_pre_increment_1): Likewise.
5194 (print_rtl_with_bb): Dump regs live at end too.
5195 (count_reg_sets_1): Pass in loop_depth.
5196 (count_reg_sets, count_reg_references): Likewise.
5197 (recompute_reg_usage): Provide it.
5199 2000-04-07 Richard Henderson <rth@cygnus.com>
5201 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5204 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5206 * cpplib.c (do_elif): Skip the rest of the line if we're
5207 not going to bother evaluating it.
5208 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5209 to avoid pointless calls to the lexer.
5211 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5213 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5215 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5217 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5219 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5221 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5223 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5225 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5226 crtend so they can be multilibbed.
5227 (STAGESTUFF): Remove s-crt and s-crtS.
5229 2000-04-07 Richard Henderson <rth@cygnus.com>
5231 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5232 if we discover we need a pseudo and no_new_pseudos is true.
5233 * config/alpha/alpha.md (ne:DI insn): New.
5234 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5236 2000-04-07 Richard Henderson <rth@cygnus.com>
5238 * rtl.def (COND_EXEC): New.
5239 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5240 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5242 * genconfig.c (have_cond_arith_flag): Remove.
5243 (have_cond_exec_flag): New.
5244 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5245 (main): Print HAVE_conditional_execution.
5247 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5248 (sched_analyze_insn, print_pattern): Likewise.
5249 * reload.c (find_equiv_reg): Likewise.
5250 * rtlanal.c (reg_referenced_p): Likewise.
5251 (note_stores, dead_or_set_regno_p): Likewise.
5252 (reg_overlap_mentioned_p): Rewrite to use a switch.
5254 * ggc.h (struct rtx_def): Forward declare.
5256 * print-rtl.c (debug_rtx_range): New.
5257 * rtl.h (debug_rtx_range): Declare.
5259 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5261 * gcse.c (gcse_main): Don't rebuild the CFG here.
5262 (delete_null_pointer_checks): Likewise.
5263 * ssa.c (convert_to_ssa): Likewise.
5264 * toplev.c (rest_of_compilation): Do it here instead. Combine
5265 sequential calls to TIMEVAR. Consistently use `insns' instead of
5266 `get_insns()'. Always split insns after reload when optimizing.
5268 * basic-block.h (merge_blocks_nomove): Declare.
5269 (tidy_fallthru_edge): Declare.
5270 * flow.c (merge_blocks_nomove): Document as merging into previous
5271 blocks. Remove cruft from between blocks; remove all edges out of A.
5272 (tidy_fallthru_edge): Export.
5274 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5276 * ssa.c (compute_conservative_reg_partition): Declare with
5278 * toplev.c (clean_dump_file): Remove previously-deleted function
5279 inadvertantly merged back in.
5280 * conflict.c (conflict_graph_add): Use a single call to
5281 htab_find_slot to look up and insert.
5283 2000-04-06 Richard Henderson <rth@cygnus.com>
5285 * genrecog.c (*): Rename _last_insn to last_insn.
5286 (make_insn_sequence): Set the position of the peephole2 C test
5287 to be at the last insn.
5289 2000-04-06 Richard Henderson <rth@cygnus.com>
5291 * flow.c (compute_flow_dominators): Free worklist.
5293 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5295 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5297 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5299 * rtl.h (INSN_P): New macro.
5300 (successor_phi_fn): New typedef.
5301 (for_each_successor_phi): New prototype.
5302 (in_ssa_form): New variable.
5303 (PHI_NODE_P): Likewise.
5304 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5305 phi nodes in successors.
5306 (mark_used_regs): Add PHI case.
5307 (set_phi_alternative_reg): New function.
5308 (life_analysis): Assert that dead code elimination is not selected
5310 * toplev.c (to_ssa_time): New variable.
5311 (from_ssa_time): Likewise.
5312 (compile_file): Zero to_ssa_time and from_ssa_time.
5313 Print time to convert to and from SSA.
5314 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5315 (print_time): Compute percent fraction as integer.
5316 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5317 (convert_to_ssa): Check if we're already in SSA.
5318 Don't eliminate dead code in life_analysis.
5319 Rerun flow and life analysis at bottom.
5320 (eliminate_phi): Use canonical regnos when adding nodes.
5321 (mark_reg_in_phi): New function.
5322 (mark_phi_and_copy_regs): Likewise.
5323 (convert_from_ssa): Rerun life analysis at top.
5324 Use coalesced partition.
5325 Check for removing a phi node at the end of the block.
5326 (compute_coalesced_reg_partition): New function.
5327 (coalesce_regs_in_copies): Likewise.
5328 (coalesce_reg_in_phi): Likewise.
5329 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5330 (for_each_successor_phi): Likewise.
5331 (rename_context): New struct.
5332 (rename_block): Use a rename_context with rename_insn_1. When
5333 renaming sets of a subreg, emit a copy of the entire reg first.
5334 (rename_insn_1): Treat data as a rename_context *. Save current
5336 (rename_set_data): Add field set_insn.
5337 * Makefile.in (HASHTAB_H): Move up in file.
5338 (OBSTACK_H): New macro.
5339 (collect2.o): Use OBSTACK_H in dependencies.
5340 (sdbout.o): Likewise.
5341 (emit-rtl.o): Likewise.
5342 (simplify-rtx.o): Likewise.
5343 (fix-header.o): Likewise.
5344 (OBJS): Add conflict.o.
5345 (conflict.o): New rule.
5346 * basic-block.h: Include partition.h.
5347 (conflict_graph): New typedef.
5348 (conflict_graph_enum_fn): Likewise.
5349 (conflict_graph_new): New prototype.
5350 (conflict_graph_delete): Likewise.
5351 (conflict_graph_add): Likewise.
5352 (conflict_graph_conflict_p): Likewise.
5353 (conflict_graph_enum): Likewise.
5354 (conflict_graph_merge_regs): Likewise.
5355 (conflict_graph_print): Likewise.
5356 (conflict_graph_compute): Likewise.
5357 * conflict.c: New file.
5359 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5361 * tlink.c (read_repo_files): Don't look for .rpo info for
5364 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5366 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5368 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5370 * config/sh/lib1funcs.asm (___udivsi3_i4):
5371 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5372 only depends on FMOVD_WORKS.
5374 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5376 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5377 make double constant 8-byte aligned.
5379 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5381 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5382 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5383 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5384 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5385 Accept storing GENERAL_REGS into offsetable memory.
5386 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5387 building a TFmode constant other than 0.0L into GENERAL_REGS.
5389 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5391 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5393 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5395 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5396 (macro_cleanup): No need to cast pbuf->macro.
5397 (collect_expansion): Use _cpp_get_define_token. Goto done if
5398 it returns VSPACE. Remove check for trailing space after
5400 (_cpp_create_definition): Don't diddle flags here. Return
5402 (unsafe_chars): Handle c1 being EOF.
5403 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5404 checks. Don't push the buffer till after we're done with
5406 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5407 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5408 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5410 (_cpp_parse_assertion): Don't NUL terminate.
5411 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5412 hspace before calling _cpp_parse_assertion. Remove all sets
5413 of only_seen_white. Treat '\f' as hspace. Don't do anything
5414 special with '\n' here.
5415 (maybe_macroexpand): Handle T_EMPTY hash entries without
5416 pushing a buffer at all.
5417 (cpp_get_token): Handle clearing only_seen_white here. Handle
5418 incrementing the line number here. Clear
5419 potential_control_macro as well as only_seen_white, if
5421 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5422 (_cpp_get_define_token): New function, basically like
5423 _cpp_get_directive_token was but doesn't eat horizontal space.
5424 Don't do anything with only_seen_white here.
5425 (_cpp_get_directive_token): Just call _cpp_get_define_token
5426 repeatedly till it returns non-hspace.
5428 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5429 (conditional_skip, skip_if_group): Return int.
5430 (DIRECTIVE_TABLE): Change origin of all conditional directives
5432 (TRAD_DIRECT_P): New macro.
5433 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5434 an error for a bogus directive, unless -lang-asm. Use
5435 TRAD_DIRECT_P. Loop calling handler functions till one returns
5437 (get_macro_name): Don't diddle flags here.
5438 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5439 Create T_EMPTY nodes for #define macro /* nothing */.
5440 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5441 Use hp->name when calling pass_thru_directive.
5442 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5443 Return the result of conditional_skip and/or skip_if_group.
5444 Don't call _cpp_output_line_command.
5445 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5446 Issue -Wtraditional warnings as appropriate. Don't complain
5447 about unrecognized directives. If we are to stop skipping,
5448 return the number of the directive that ended the skip.
5449 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5450 expansion and line commands while skipping. Return the result
5451 of consider_directive_while_skipping, if nonzero.
5452 (do_endif): Just set potential_control_macro here.
5453 (validate_else): Use _cpp_get_directive_token.
5454 (do_assert, do_unassert): Don't save pointers into the
5455 token_buffer across calls to the lexer. Use
5456 _cpp_get_directive_token.
5458 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5459 pointer, not an offset. Replace 'data', which was a generic
5460 pointer, with 'macro', which points to a struct hashnode.
5461 (cpp_reader): Add 'potential_control_macro' pointer.
5462 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5463 (CPP_BUF_GET, CPP_FORWARD): Delete.
5464 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5465 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5466 ACTIVE_MARK_P): Update.
5467 (_cpp_get_define_token): New internal function.
5468 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5470 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5472 * configure.in: And here.
5473 * configure: Regenerate.
5474 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5475 --enable-libstdcxx-v3 is passed at configure time.
5476 * config.h.in: Regenerate.
5478 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5480 * final.c (final): Use xcalloc to allocate line_note_exists.
5481 * function.c (free_after_compilation): Free the temp_slots.
5482 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5483 (combine_temp_slot): Free temp_slots when they get combined.
5484 (purge_addressof): Fix typo in comment.
5485 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5486 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5488 * ggc.h: Include varray.h.
5489 (ggc_pending_trees): Declare.
5490 (ggc_mark_tree_children): Remove declaration.
5491 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5492 * ggc-common.c (ggc_pending_trees): New variable.
5493 (ggc_mark_roots): Call ggc_mark_trees.
5494 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5495 the ggc_pending_trees.
5496 * Makefile.in (GGC_H): New variable. Use it throughout in place
5499 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5501 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5504 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5506 * sh.c (sh_insn_length_adjustment): New function.
5507 * sh-protos.h (sh_insn_length_adjustment): Declare.
5508 * sh.h (ADJUST_INSN_LENGTH): Use it.
5510 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5512 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5513 from the insn where REG_RETVAL is added.
5514 (emit_no_conflict_block): Ditto.
5516 * md.texi (Standard Names): Clarify when movX is needed.
5518 * combine.c (simplify_comparison) [MINUS]: Do not replace
5519 all (op (minus A B) 0) with (op A B).
5521 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5522 J"orn Rennecke <amylaar@cygnus.co.uk>
5524 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5525 (block_lump_real): Likewise.
5527 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5529 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5530 remaining non-zero debugging masks.
5532 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5534 * basic-block.h (verify_flow_info): Declare.
5535 (flow_loop_outside_edge_p): Declare.
5536 * flow.c (verify_flow_info): Remove declaration.
5537 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5539 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5541 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5544 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5546 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5547 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5548 seqdi_zero_trunc+1): Allow splits only if registers are
5551 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5553 * acconfig.h: Add HAVE_GAS_HIDDEN.
5554 * config.in: Regenerated.
5555 * configure.in: Add test for .hidden pseudo-op in gas.
5556 * configure: Regenerated.
5557 * crtstuff.c: Include auto-host.h.
5558 Emit additional .hidden pseudo-op for __dso_handle if the
5559 assembler knows about it.
5561 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5563 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5564 before freeing argnames.
5565 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5567 2000-04-05 Michael Meissner <meissner@redhat.com>
5569 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5570 Walton <jonboy@gordian.com> to make memory references with update
5571 work wtih -mregnames.
5573 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5575 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5576 (regrename_optimize): Rename variables `def_uses' and
5577 `ext_basic_blocks' to avoid conflicts with similarly named
5578 typedefs in traditional C.
5580 * calls.c (initialize_argument_information): Fix typo in previous
5583 2000-04-04 Richard Henderson <rth@cygnus.com>
5585 * regrename.c (consider_available): Test fixed_regs not
5586 PIC_OFFSET_TABLE_REGNUM.
5588 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5590 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5592 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5593 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5594 (ENDFILE_LINUX_SPEC): Always use crtend.
5595 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5596 (powerpc-*-linux-gnu): Likewise.
5597 * configure: Regenerate.
5599 * config/rs6000/eabi.h: Don't include sysv4.h.
5600 (MULTILIB_DEFAULTS): Don't define.
5601 * config/rs6000/eabiaix.h: Don't include eabi.h.
5602 * config/rs6000/eabile.h: Delete.
5603 * config/rs6000/eabilesim.h: Delete.
5604 * config/rs6000/eabisim.h: Don't include eabi.h.
5605 * config/rs6000/linux.h: Don't include sysv4.h.
5606 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5607 (MULTILIB_DEFAULTS): Don't redefine.
5608 * config/rs6000/rtems.h: Don't include eabi.h.
5609 * config/rs6000/sol2.h: Don't include sysv4le.h.
5610 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5611 * config/rs6000/t-ppc: Delete.
5612 * config/rs6000/t-ppcgas: Correct comment.
5613 * config/rs6000/t-ppcos: Correct comment. Don't build
5614 multilibs for -fPIC, rather use -fPIC -mstrict-align
5616 * config/rs6000/t-ppc: Delete.
5617 * config/rs6000/vxppc.h: Don't include sysv4.h.
5618 * config/rs6000/vxppcle.h: Delete.
5619 * configure.in: Use multiple header files for p2pc ELF targets
5620 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5621 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5622 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5623 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5624 always available for these platforms.
5626 2000-04-04 Richard Henderson <rth@cygnus.com>
5628 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5630 2000-04-04 Stan Cox <scox@cygnus.com>
5632 * Makefile.in: Add rules for regrename.o
5633 * regrename.c: New file.
5634 * rtl.h (regrename_optimize): Add prototype.
5635 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5636 (compile_file, decode_d_option): Add support for -frename-registers.
5637 (rest_of_compilation): Call regrename_optimize.
5638 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5641 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5643 * Makefile (gccbug): New target.
5644 (doc): Depend on it.
5645 * gcc.texi (Bugs): Link subnodes.
5647 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5648 Document severities, priorities, and classes in bug form.
5650 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5652 * cpplex.c (trigraph_map, speccase): Combine into single
5654 (NORMAL, NONTRI): New macros.
5655 (_cpp_read_and_prescan): Change to use unified table. Use
5656 is_hspace to test for whitespace.
5658 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5659 definition that doesn't provoke the "empty body in an
5660 if-statement" warning.
5662 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5664 * builtins.c (expand_builtin_strlen): Force the source to
5665 be a memory address.
5667 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5671 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5673 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5674 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5675 (ECF_IS_CONST): Rename to ECF_CONST.
5676 (special_function_p): Make static, change interface.
5677 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5678 (expand_call) ... here; convert number of variables to flags.
5679 (emit_library_call_vlue_1): Likewise.
5680 (setjmp_call_p): New function.
5681 (initialize_argument_information): Accepts flags as argument;
5683 (precompute_arguments): Likewise.
5684 * tree.h (special_function_p): Remove.
5685 (setjmp_call_p): Add prototype.
5687 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5689 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5690 so that addresses are offsetable by up to 16 bytes.
5691 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5692 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5695 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5696 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5697 (movsf): Don't force any constant to memory if target is integer
5699 Move fp_zero_operand check below the const0_rtx check.
5700 (movtf): Likewise. Also allow fp_zero_operand for stores into
5702 (movdf): Likewise. Also allow fp_zero_operand for stores into
5703 memory and into integer hard registers.
5704 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5705 movdf_const_intreg_sp64): Remove.
5706 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5708 (movdf_no_e_insn_v9_sp32): New pattern.
5709 (movdf_insn_v9only): Remove.
5710 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5711 (movdf_insn_sp64): Remove.
5712 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5713 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5714 (following splits): Rewrite conditions. Add two new splits
5715 for storing 0.0 into memory and registers.
5716 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5717 (movtf_insn_sp32): Redo constraints and conditions.
5718 (movtf_insn_vis_sp32): New pattern.
5719 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5720 (movtf_insn_hq_sp64): Likewise.
5721 (movtf_insn_hq_vis_sp64): New pattern.
5722 (movtf_insn_sp64): Redo constraints and conditions.
5723 (movtf_insn_vis_sp64): New pattern.
5724 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5725 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5727 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5728 -mvis or -m64 to take down the number of various reload patterns.
5730 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5732 * pa/pa-64.h: New file.
5733 * pa/pa64-regs.h: New file.
5734 * pa/pa64-start.h: New file.
5735 * pa/t-pa64: New file.
5736 * pa/xm-pa64hpux.h: New file.
5738 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5740 * sparc.c (output_restore_regs): Prototype.
5741 (sparc_emit_float_lib_cmp): Constification.
5743 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5745 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5748 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5749 (get_value_hash, hash_rtx): Likewise.
5751 * ssa.c (compute_conservative_reg_partition): Prototype.
5753 * tree.c (mark_hash_entry): Prototype.
5755 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5757 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5758 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5759 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5761 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5762 * objc/lang-specs.h: Likewise.
5764 2000-04-03 Neil Booth <NeilB@earthling.net>
5766 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5767 and SYNTAX_ERROR2. Replace `' in messages with ''.
5768 (op_to_str): Make re-entrant.
5769 (_cpp_parse_expr): Implement new error macros. Use | rather
5770 than || to logically or 2 boolean integers. Simply expression
5771 checking we have a left operand iff needed.
5773 2000-04-03 Nick Clifton <nickc@cygnus.com>
5775 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5777 2000-04-03 Philip Blundell <philb@gnu.org>
5779 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5781 2000-04-03 Felix Lee <flee@cygnus.com>
5783 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5784 (run_shell): Use it.
5786 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5788 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5789 (stmp-fixproto): ...rather than here.
5791 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5793 * pa.c (print_operand): Compute 'base' only inside the code paths
5796 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5798 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5801 2000-04-03 Philipp Thomas <pthomas@suse.de>
5803 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5805 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5807 * Makefile.in (alias.o): Depend on $(TREE_H).
5809 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5811 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5813 * cpplib.c (_cpp_handle_directive): Improve warnings for
5814 traditional C and indented directives.
5816 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5817 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5818 fixinc/inclhack.def: Indent the # of #include_next one space.
5819 * cp/rtti.c: Un-indent #if and #endif.
5821 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5822 syntax error, but an error has already been printed.
5823 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5824 message when called with nothing remaining on the line.
5825 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5826 OTHER token, not an ASSERTION.
5827 * cpplib.c (do_assert): When we create a 'base' node, clear
5828 its aschain pointer.
5830 2000-04-02 Neil Booth <NeilB@earthling.net>
5832 * cppexp.c: New typedef op_t. struct operation and struct
5833 token updated to use it.
5834 (op_to_str): New function.
5835 (_cpp_parse_expr): Error messages modified to use op_to_str.
5837 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5839 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5840 before checking MUST_PASS_IN_STACK.
5842 2000-04-02 Neil Booth <NeilB@earthling.net>
5844 * cppexp.c: New FINISHED dummy token. Combine operator initial
5845 flags and initial priority into a single constant. New
5846 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5847 (_parse_cpp_expr): Implement new constants. Take left operand
5848 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5849 parse indicated by reducing FINISHED token. Remove new lines
5850 from cpp_error messages.
5852 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5854 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5857 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5859 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5860 directive. Add origin values to DIRECTIVE_TABLE. Generate
5861 the strings and function names on the fly. Take the #sccs
5862 entry out of the table if SCCS_DIRECTIVE is not defined.
5863 (_cpp_handle_directive): Decide if the # was at the beginning
5864 of the line here. Issue -pedantic warnings for extended
5865 directives here. Warn about K+R directives with the #
5866 indented, and C89/extended directives with the # not indented,
5868 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5869 do_assert, do_unassert): Don't issue pedantic warning here.
5871 * cpphash.h: Add CPP_WTRADITIONAL macro.
5872 * cpplib.h (struct cpp_options): Rename warn_stringify to
5873 warn_traditional; update comments.
5874 * cppinit.c (handle_option): Set warn_traditional not
5876 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5877 CPP_WTRADITIONAL (pfile).
5878 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5879 be ignored in -traditional mode here.
5881 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5882 to initialize speccase[] and trigraph_map[]. Delete all
5883 references to pfile->input_speccase. Always treat '?' as a
5884 special character. Remove table-initialization code from
5885 _cpp_init_input_buffer.
5887 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5888 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5890 2000-04-01 Richard Henderson <rth@cygnus.com>
5892 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5893 (mostlyclean): Likewise.
5895 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5896 (struct dump_file_info, enum dump_file_index, dump_file): New.
5897 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5898 not a string. Clean out file if we havn't yet done so. Do nothing
5899 if the dump isn't enabled.
5900 (close_dump_file): Do nothing if the dump isn't open. Dump
5901 graph data if requested.
5902 (dump_rtl, clean_dump_file): Remove.
5903 (compile_file): Don't clean the dump files. Only finalize .bp dump
5904 if flag_test_coverage or flag_branch_probabilities. Only finalize
5905 .combine dump if optimizing. Iterate over dump_file to finalize the
5907 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5908 Convert all uses of dump_rtl.
5909 (decode_d_option): Iterate over dump_file to implement 'a' and to
5910 locate pass-specific dumps.
5912 2000-04-01 Neil Booth <NeilB@earthling.net>
5914 * cppexp.c: Redefine priority constants.
5915 (_cpp_parse_expr): Replace left and right priority scheme with
5916 single priority logic. Move LOGICAL to same place as COMPARE.
5917 Remove bogus check for multiple unary +/- operators.
5919 2000-04-01 Neil Booth <NeilB@earthling.net>
5921 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5922 within the switch statement. Binary operations break out of
5923 the switch naturally. '(' tokens handled by forcing
5924 immediate shift. ')' handled by forcing immediate reduce to
5925 the previous '('. New error messages.
5927 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5929 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5930 part', it's already in use. Use %K instead. Add a return at the
5931 end of what is now %K.
5932 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5934 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5936 * builtins.c (expand_builtin_apply): Pass proper parameters to
5937 allocate_dynamic_stack_space.
5938 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5939 update stack_pointer_delta; do not update arg_size_so_far.
5940 (compute_argument_block_size): Use stack_delta instead of
5941 stack_pointer_pending and arg_size_so_far.
5942 (expand_call): Add sanity checking for stack_pointer_delta;
5943 save and restore stack_pointer_delta for SIB, use
5944 stack_pointer_delta for alignment; do not update arg_space_so_far.
5945 (emit_library_call_value): Use stack_pointer_delta for alignment.
5946 (store_one_arg): Do not update arg_space_so_far.
5947 * explow.c (adjust_stack, anti_adjust_stack): Update
5948 stack_pointer_delta.
5949 (allocate_dynamic_stack_space): Add sanity checking for
5950 stack_pointer_delta.
5951 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5952 stack_pointer_delta.
5953 (emit_push_insn): Update stack_pointer_delta.
5954 * function.h (struct expr_status): Add x_stack_pointer_delta;
5955 remove x_arg_space_so_far.
5956 (arg_space_so_far): Remove.
5957 (stack_pointer_delta): New macro.
5959 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5961 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5962 Reorder struct cpp_options and struct cpp_reader for better
5963 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5964 takes two args. Change all 'char' flags to 'unsigned char'.
5965 Move show_column flag into struct cpp_options. Don't
5966 prototype cpp_options_init.
5967 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5968 cppinit.c, cpplex.c, cpplib.c:
5969 Replace CPP_OPTIONS (pfile)->whatever with
5970 CPP_OPTION (pfile, whatever), and likewise for
5971 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5973 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5974 Extract CPP_OPTION (pfile, pending) and work with that
5976 (cpp_options_init): Delete.
5977 (cpp_reader_init): Turn on on-by-default options here.
5978 Allocate the pending structure here.
5979 (cl_options, enum opt_code): Define these from the same table,
5980 kept in a large macro. Add -fshow-column and -fno-show-column
5983 * cpperror.c (v_message): If show_column is off, don't print
5986 * cppmain.c: Update for new interface.
5987 * fix-header.c: Likewise.
5989 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5991 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5993 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5994 are passed to any invocation of AR_FOR_TARGET.
5995 (AR_CREATE_FOR_TARGET): New macro.
5996 (AR_EXTRACT_FOR_TARGET): New macro.
5997 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5998 AR_EXTRACT_FOR_TARGET.
5999 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6000 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6001 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6002 AR_EXTRACT_FOR_TARGET to sub-makes.
6004 2000-03-31 Neil Booth <NeilB@earthling.net>
6006 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6008 (_cpp_parse_expr): Check for multiple unary +/- operators.
6009 Correct priorities of ':' and '?'. Treat ')' as having a
6010 value. Ensure conditional expression is not void.
6012 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6014 * alias.c (canon_rtx): Make it global.
6015 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6017 * cse.c (struct table_elt): Add canon_exp.
6019 (invalidate): Canonicalize expressions only once.
6020 * rtl.h (canon_rtx): Declare.
6022 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6024 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6025 * alias.c (reg_known_value): Add comments.
6026 (init_alias_analysis): Likewise.
6027 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6029 (cse_basic_block): Fix typo in comment.
6030 * emit-rtl.c: Include hashtab.h.
6031 (const_int_htab): New variable.
6032 (const_int_htab_hash): New function.
6033 (const_int_htab_eq): Likewise.
6034 (rtx_htab_mark_1): Likewise.
6035 (rtx_htab_mark): Likewise.
6036 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6037 (unshare_all_rtx): Fix formatting.
6038 (init_emit_once): Initialize const_int_htab.
6039 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6041 * rtl.texi: Document the fact that all CONST_INTs with the same
6044 2000-03-30 Richard Henderson <rth@cygnus.com>
6046 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6048 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6050 * configure.in: Comment out --enable-c-cpplib stanza.
6051 * configure: Regenerate.
6053 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6055 * expr.c (store_constructor): Properly compute displacement and
6056 alignment when offset is variable.
6058 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6059 cases of alignment in bytes.
6061 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6063 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6064 since it is used to generate c-parse.y.
6065 * objc-parse.c, objc-parse.y: Regenerated.
6067 * function.c (expand_function_end): Pass alignment argument to
6068 emit_block_move in bits, not bytes.
6070 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6072 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6075 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6077 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6078 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6079 * function.c (assign_parms): Likewise.
6080 * integrate.c (expand_inline_function): Likewise.
6081 * stmt.c (expand_decl): Likewise.
6082 (copy_rtx_and_substitute): Likewise.
6083 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6084 (clear_by_pieces): Fix error in last change.
6085 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6086 * function.h (regno_pointer_align): Now unsigned.
6087 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6089 * config/i386/i386.c (aligned_operand): Likewise.
6090 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6091 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6092 (unaligned_memory_operand): Likewise.
6093 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6094 Also make alignments and sizes unsigned and some whitespace cleanup.
6095 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6097 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6098 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6099 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6100 (expand_builtin_memset): Likewise, but to clear_storage.
6101 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6102 (restore_fixed_argument_area): Likewise.
6103 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6104 (load_register_parameters): Likewise, to emit_group_load.
6105 (expand_call): Likewise, to emit_group_store and emit_block_move.
6106 (emit_library_call_value_1): Likewise, to emit_block_move.
6107 (store_one_arg): Likewise, and to emit_push_insn.
6108 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6109 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6110 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6111 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6112 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6113 (expand_assigment, store_expr, store_constructor_field): Likewise.
6114 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6115 (store_constructor, store_field, get_inner_reference): Likewise.
6116 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6117 (expand_expr, case COMPONENT_REF): Likewise.
6118 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6119 and positions; reindent code.
6120 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6121 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6122 (assign_parms): Likewise to emit_group_store.
6123 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6124 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6125 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6126 (expand_return): Likewise to {extract,store}_bit_field.
6127 * stor-layout.c (get_mode_alignment): Minor cleanup.
6128 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6129 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6131 2000-03-29 Nick Clifton <nickc@cygnus.com>
6133 * config/arm/arm.h: Undo effects of previous delta:
6134 (ASM_SPEC): Do not define.
6135 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6137 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6140 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6142 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6143 only after reading in the primary source file.
6145 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6147 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6148 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6149 or a reference to a va_list.
6150 * builtins.c (stabilize_va_list): Simplify now we don't have to
6151 work around C array address decay.
6152 * c-typeck.c (convert_for_assignment): Handle assignment to
6153 a reference parameter by taking the address of the RHS.
6154 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6155 (va_copy): Likewise.
6156 (__va_copy): Likewise.
6157 * ginclude/varargs.h (va_start): Likewise.
6158 (__va_copy): Likewise.
6160 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6162 * i386/djgpp.h: Remove extraneous "+".
6164 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6166 * calls.c (expand_call): Fix typo in last change.
6168 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6170 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6173 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6175 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6176 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6177 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6178 * tree.c (bit_position, byte_position): Likewise.
6179 * tree.h: Declare new functions.
6181 2000-03-29 Nick Clifton <nickc@cygnus.com>
6183 * config/arm/arm.c: Minor formatting changes/
6184 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6186 (ASM_SPEC): Define if not already defined.
6188 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6190 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6193 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6195 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6196 value, don't output it as unsigned.
6198 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6200 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6202 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6204 * c-common.c (c_common_nodes_and_builtins): Don't special case
6205 cplus_mode when declaring builtin bzero/bcmp, always avoid
6206 prototype arguments.
6208 2000-03-29 Bruce Korb <bkorb@gnu.org>
6210 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6213 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6215 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6216 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6217 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6218 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6219 (save_fixed_argument_area, restore_fixed_argument_area):
6220 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6221 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6222 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6223 (precompute_register_parameters): Avoid #ifdefs on
6224 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6225 (stire_one_args): Likewise.
6226 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6227 (emit_library_call_value_1): Likewise.
6228 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6229 ACCUMULATE_OUTGOING_ARGS.
6230 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6232 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6233 (use_crosses_set_p): Likewise.
6234 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6235 #define ACCUMULATE_OUTGOING_ARGS 1.
6236 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6238 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6240 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6241 (TARGET_SWITCHES): Add push-args, no-push-args,
6242 accumulate-outgoing-args and no-accumulate-outgoing-args.
6243 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6244 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6245 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6247 (emit_push_insn): Likewise.
6248 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6249 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6250 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6251 (STACK_DYNAMIC_OFFSET): Define correctly for both
6252 ACCUMULATE_OUTGOING_ARGS and normal mode.
6253 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6254 * tm.texi (PUSH_ARGS): Document.
6255 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6257 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6259 * flags.h (flag_optimize_sibling_calls): Declare.
6260 * calls.c (expand_call): Fail sibcall when
6261 !flag_optimize_sibling_calls
6262 * invoke.texi (flag_optimize_sibling_calls): Document.
6263 * toplev.c (flag_optimize_sibling_calls): New global variable.
6264 (f_options): Add flag_optimize_sibling_calls.
6265 (rest_of_compilation): Conditionize
6266 optimize_sibling_and_tail_recursive_calls by
6267 flag_optimize_sibling_calls.
6268 (main): Set flag_optimize_sibling_calls for -O2.
6269 * stmt.c (expand_return): Conditionize tail recursion by
6270 flag_optimize_sibling_calls.
6272 2000-03-29 Richard Henderson <rth@cygnus.com>
6274 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6275 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6277 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6279 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6281 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6283 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6285 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6286 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6287 * config/rs6000/aix.h: then modified likewise.
6289 2000-03-28 Richard Henderson <rth@cygnus.com>
6291 * rtl.h: Redistribute enum reg_note documentation.
6292 Kill trailing whitespace.
6293 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6294 Kill trailing whitespace.
6296 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6298 * cppfiles.c (hash_IHASH): Just return i->hash.
6299 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6300 htab_find_with_hash.
6301 (cpp_read_file): Likewise.
6302 (find_include_file): Likewise. Properly initialize
6303 ih->nshort. Share ih->name and ih->nshort if possible.
6304 * cpphash.c (_cpp_calc_hash): New function.
6305 (hash_HASHNODE): Just return h->hash.
6306 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6307 htab_find_with_hash.
6308 * cpphash.h: Prototype _cpp_calc_hash.
6309 * cppinit.c (initialize_builtins): Provide a valid hash
6310 to _cpp_make_hashnode, using _cpp_calc_hash.
6312 * cpphash.c (collect_expansion): # is not a special character
6313 in object-like macros. In -traditional mode, /**/ is not
6314 token paste at the beginning or end of the line.
6315 * cpplib.c (do_include, do_import, do_include_next): If
6316 parse_include fails, return immediately.
6318 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6320 * config/arm/arm.md (return peepholes): Update to reflect the new
6322 * config/arm/arm.c (arm_volatile_func): Also check
6323 current_function_nothrow.
6324 (output_return_instruction, output_func_prologue): Use it.
6325 (arm_output_epilogue, arm_expand_prologue): Likewise.
6327 2000-03-27 Tom Tromey <tromey@cygnus.com>
6329 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6332 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6334 * expr.c (store_constructor): SIZE now signed.
6335 For EXPR_SIZE, don't evaluate size; just needed if constant.
6336 * fold-const.c (fold): Fix a number of cases when folded tree is
6338 * function.c (flush_addressof): Reenable.
6339 * tree.h (flush_addressof): Likewise.
6340 * toplev.c (independent_decode_option): Look at strings_processed.
6341 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6343 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6345 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6346 Allow stack adjustment after function call.
6348 * regmove.c (struct csa_memlist): Make mem field rtx *.
6349 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6350 (try_apply_stack_adjustment): Replace whole MEM rtx.
6351 (combine_stack_adjustments_for_block): Update calls
6352 to record_one_stack_ref.
6354 2000-03-28 Neil Booth <NeilB@earthling.net>
6356 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6357 '\\' rather than a null character, so nulls are not special. Fix
6358 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6359 speed trigraph conversion.
6360 (_cpp_init_input_buffer): Initialize trigraph map.
6362 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6364 * config/i386/i386.c (output_387_binary_op): Correct intel
6365 mode assembly output, and add spaces after commas in AT&T
6366 output. Correct Unixware assembler comment. Document input
6367 constraints. Comment fp operations. Reduce profligate buffer
6368 size. Remove extraneous abort. Localize temp var.
6369 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6370 (output_fix_trunc): Add spaces after commas in assembly output.
6372 2000-03-27 Richard Henderson <rth@cygnus.com>
6374 * i386-protos.h (ix86_match_ccmode): Declare.
6375 * i386.c (ix86_match_ccmode): New.
6376 (ix86_expand_fp_compare): Update for pattern renames.
6377 (ix86_expand_strlensi_unroll_1): Likewise.
6378 * i386.h (EXTRA_CC_MODES): Add CCZ.
6379 (SELECT_CC_MODE): Use it for EQ/NE zero.
6380 * i386.md (cmpsi_ccz_1): New.
6382 (*testsi_ccz_1): New.
6383 (testqi_ccz_1): New.
6384 (cmpsi_ccno_1): Rename from cmpsi_0.
6385 (testsi_ccno_1): Rename from testsi_1.
6386 (testqi_ccno_1): Rename from testqi_1.
6387 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6388 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6389 (*cmphi_0): Use ix86_match_ccmode.
6390 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6391 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6392 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6393 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6394 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6395 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6396 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6397 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6398 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6399 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6400 (appropriate peepholes): Likewise.
6401 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6402 (*subsi_3, *subhi_3, *subqi_3): Remove.
6403 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6404 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6405 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6406 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6407 (x86_shift_adj_1): Use CCZ.
6408 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6410 2000-03-27 Stan Cox <scox@cygnus.com>
6412 * resource.h (mark_resource_type): New.
6413 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6414 find_free_register): Use mark_resource_type.
6415 (mark_set_resources): Change include_delayed_effects
6416 to mark_resource_type.
6417 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6418 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6419 Use mark_resource_type.
6421 2000-03-27 Richard Henderson <rth@cygnus.com>
6423 * i386.md (call_pop_0, call_value_pop_0): New.
6424 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6425 (call_value_pop_1): Likewise.
6426 (call_0, call_value_0): New.
6427 (call_1, call_value_1): Remove constraint from unused arg.
6429 2000-03-27 Nick Clifton <nickc@cygnus.com>
6431 * invoke.texi (Spec Files): Document new spec % command created by
6432 Tom Tromey's recent patch.
6434 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6436 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6439 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6441 * expr.c (expand_assignment): Fix typo in last change.
6443 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6445 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6447 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6448 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6449 and DECL_INLINE if FUNCTION_DECL.
6450 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6451 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6452 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6453 (combine_parm_decls): Likewise.
6454 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6455 * print-tree.c (print_node): Likewise.
6456 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6457 DECL_TRANSPARENT_UNION on proper decl types.
6458 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6459 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6460 DECL_BIT_FIELD of FIELD_DECL.
6461 * tree.h (DECL_RESULT_FLD): New macro.
6463 * expr.c (expand_assignment): Add code to handle variable-sized
6466 2000-03-26 Richard Henderson <rth@cygnus.com>
6468 * calls.c (expand_call): Pass parms not original exp to
6469 optimize_tail_recursion. Mind return value instead of looking
6471 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6472 call_expr. Move checks for call_expr and current_function_decl ...
6473 (expand_return): ... here.
6475 2000-03-26 Tom Tromey <tromey@cygnus.com>
6477 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6478 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6480 (process_command): Use them.
6481 (check_live_switch): Likewise.
6482 (give_switch): Skip ignored switches.
6484 2000-03-26 Jan Hubicka <jh@suse.cz>
6486 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6487 for minimal jump pass test.
6489 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6491 * integrate.c (function_cannot_inline_p): Do inline functions that
6494 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6496 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6497 now a list of TREE_LIST entries, not types.
6498 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6500 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6501 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6503 * config/mips/mips.c (function_arg): Likewise; also remove cast
6504 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6505 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6506 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6507 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6508 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6509 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6510 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6511 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6512 num_adjusts now unsigned.
6513 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6514 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6516 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6517 as is BITPOS variable; use host_integerp and int_bit_position.
6518 (function_arg_record_value_2): Likewise.
6519 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6520 Variable REGNO now unsigned.
6521 (function_arg_record_value): NREGS now unsigned.
6523 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6525 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6527 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6529 * Rework fields used to describe positions of bitfields and
6530 modify sizes to be unsigned and use HOST_WIDE_INT.
6531 * alias.c (reg_known_value_size): Now unsigned.
6532 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6533 (really_start_incremental_init): Use bitsize_zero_node.
6534 (push_init_level, pop_init_level, output_init_element): Likewise.
6535 Use bitsize_unit_node and bitsize_one_node.
6536 (output_pending_init_elements, process_init_element): Likewise.
6537 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6538 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6539 HOST_WIDE_INT, respectively.
6540 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6541 (num_sign_bit_copies): Returns unsigned.
6542 BITWIDTH now unsigned; rework arithmetic.
6543 Remove recursive call from arg to MAX.
6544 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6545 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6547 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6548 (find_split_point, expand_compound_operation, make_extraction): LEN
6549 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6550 (make_field_assignment): Likewise.
6551 (combine_simplify_rtx): Add cast.
6552 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6553 (force_to_mode): WIDTH now unsigned; add cast.
6554 (if_then_else_cond): SIZE now unsigned.
6555 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6556 (extended_count): Now returns unsigned.
6557 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6558 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6559 (simplify_comparison): MODE_WIDTH now unsigned.
6560 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6561 (mark_used_regs_combine): Likewise; rework arithmetic.
6562 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6563 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6564 (record_promoted_value): REGNO now unsigned.
6565 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6566 (get_last_value): REGNO now unsigned.
6567 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6568 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6569 (remove_death): Arg REGNO now unsigned.
6570 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6571 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6573 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6574 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6575 (struct cse_reg_info): REGNO now unsigned.
6576 (cached_regno): Now unsigned.
6577 (REGNO_QTY_VALID_P): Add cast.
6578 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6579 (remove_invalid_regs): Likewise.
6580 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6581 as are variables END and I.
6582 (get_cse_reg_info, insert): Likewise.
6583 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6584 (canon_hash): Likewise.
6585 (insert_regs, lookup_for_remove): REGNO now unsigned.
6586 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6588 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6589 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6590 * emit-rtl.c (subreg_realpart_p): Add cast.
6591 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6592 (operand_subword_force): Arg I is now unsigned.
6593 * except.c (eh_regs): Variable I is now unsigned.
6594 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6595 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6596 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6597 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6598 (extract_split_bit_field, store_bit_field, extract_bit_field):
6600 * expr.c (store_constructor_fields, store_constructor, store_field):
6601 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6602 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6603 (do_jump): Likewise.
6604 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6605 MAX_SIZE is now unsigned.
6606 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6607 (emit_group_store): Likewise.
6608 (emit_move_insn): I now unsigned.
6609 (store_constructor): Use host_integerp, tree_low_cst, and
6611 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6612 Rework all calculations to use trees and new fields.
6613 * expr.h (promoted_input_arg): Regno now unsigned.
6614 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6615 (mark_seen_cases): Arg is HOST_WIDE_INT.
6616 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6617 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6618 precisions and alignments are unsigned.
6619 (optimize_bit_field_compare, fold_truthop): Likewise.
6620 (int_const_binop): Adjust threshold for size_int_type_wide call.
6621 (fold_convert): Likewise.
6622 (size_int_type_wide): Make table larger and fix thinko that only
6623 had half of table used.
6624 (all_ones_mask_p, fold): Precisions are unsigned.
6625 * function.c (put_reg_info_stack): REGNO is unsigned.
6626 (instantiate_decl): Size is HOST_WIDE_INT.
6627 (instantiate_virtual_regs): I is unsigned.
6628 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6629 (promoted_input_arg): REGNO is unsigned.
6630 * function.h (struct function): x_max_parm_reg is now unsigned.
6631 * gcse.c (max_gcse_regno): Now unsigned.
6632 (struct null_pointer_info): min_reg and max_reg now unsigned.
6633 (lookup_set, next_set): REGNO arg now unsigned.
6634 (compute_hash_table): REGNO and I now unsigned.
6635 (handle_avail_expr): regnum_for_replacing now unsigned.
6636 (cprop_insn): REGNO now unsigned.
6637 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6638 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6639 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6640 * hard-reg-set.h (reg_class_size): Now unsigned.
6641 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6642 * jump.c (mark_modified_reg): I now unsigned; add cast.
6643 (rtx_equal_for_thread_p): Add cast.
6644 * loop.c (max_reg_before_loop): Now unsigned.
6645 (struct_movable): REGNO now unsigned.
6646 (try_copy_prop): REGNO arg unsigned.
6647 (regs_match_p): XN and YN now unsigned.
6648 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6649 (strength_reduce): Likewise; NREGS also unsigned.
6650 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6651 * loop.h (struct iv_class): REGNO now unsigned.
6652 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6654 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6655 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6656 * optabs.c (expand_binop): I and NWORDS now unsigned.
6657 (expand_unop): I now unsigned.
6658 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6659 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6660 * real.c (significand_size): Now returns unsigned.
6661 * real.h (significand_size): Likewise.
6662 * regclass.c (reg_class_size): Now unsigned.
6663 (choose_hard_reg_mode): Both operands now unsigned.
6664 (record_reg_classes): REGNO and NR now unsigned.
6665 (reg_scan): NREGS now unsigned.
6666 (reg_scan_update): old_max_regno now unsigned.
6667 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6668 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6669 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6670 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6671 Likewise for variable R.
6672 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6673 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6674 (find_equiv_reg): Add casts.
6675 (regno_clobbered_p): Arg REGNO now unsigned.
6676 * reload.h (struct reload): NREGS now unsigned.
6677 (refers_to_regno_for_reload_p): Regno args are unsigned.
6678 (regno_clobbered_p): Likewise.
6679 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6680 (compute_use_by_pseudos): REGNO now unsigned.
6681 (find_reg): I and J now unsigned, new variable K, and change loop
6682 variables accordingly; THIS_NREGS now unsigned.
6683 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6684 (spill_hard_reg): REGNO arg now unsigned; add casts.
6685 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6686 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6687 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6688 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6689 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6690 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6691 (emit_reload_insns): REGNO now unsigned.
6692 (reload_cse_move2add): Add cast.
6693 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6695 * resource.c (mark_referenced_resources, mark_set_resources): New
6696 variable R; REGNO and LAST_REGNO now unsigned.
6697 (mark_target_live_regs): J and REGNO now unsigned.
6698 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6699 * rtl.h (union rtunion_def): New field rtuint.
6700 (XCUINT): New macro.
6701 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6702 (operand_subword, operand_subword_force): Word number is unsigned.
6703 (choose_hard_reg_mode): Operands are unsigned.
6704 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6705 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6706 (regno_use_in, combine_instructions, remove_death): Likewise.
6707 (reg_scan, reg_scan_update): Likewise.
6708 (extended_count): Return is unsigned.
6709 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6710 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6711 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6712 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6713 (reg_reg_last_1): FIRS and LAST now unsigned.
6714 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6715 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6717 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6718 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6719 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6720 (replace_regs): Arg NREGS now unsigned.
6721 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6722 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6723 (simplify_binary_operation): Likewise.
6724 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6725 THIS_LAST now unsigned.
6726 (cselib_record_set): Add cast.
6727 * ssa.c (ssa_max_reg_num): Now unsigned.
6728 (rename_block): REGNO now unsigned.
6729 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6731 (all_cases_count): Just return -1 not -2.
6732 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6733 Rework tests to use trees whenever possible.
6734 Use host_integerp and tree_low_cst.
6735 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6736 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6737 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6738 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6739 (smallest_mode_for_size): Likewise.
6740 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6741 KNOWN_ALIGN is now an alignment, so simplify code.
6742 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6743 (start_record_layout): Renamed from new_record_layout_info.
6744 Update to new fields.
6745 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6747 (place_union_field): Renamed from layout_union_field.
6748 Update to use new fields in rli.
6749 (place_field): Renamed from layout_field.
6750 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6751 (finalize_record_size): Rework to use new fields in rli and handle
6753 (compute_record_mode): Rework to simplify and to use new DECL fields.
6754 (finalize_type_size): Make rounding more consistent.
6755 (finish_union_layout): Deleted.
6756 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6757 (layout_type, case RECORD_TYPE): Call new function names.
6758 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6759 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6760 (get_best_mode): UNIT is now unsigned; remove casts.
6761 * tree.c (bit_position): Compute from new fields.
6762 (byte_position, int_byte_position): New functions.
6763 (print_type_hash_statistics): Cast to remove warning.
6764 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6765 (build_index_type): Likewise; make subtype of sizetype.
6766 (build_index_2_type): Pass sizetype to build_range_type.
6767 (build_common_tree_nodes): Use size_int and bitsize_int to
6768 initialize nodes; add bitsize_{zero,one,unit}_node.
6769 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6770 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6771 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6772 (DECL_FIELD_BITPOS): Deleted.
6773 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6774 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6775 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6776 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6777 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6778 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6779 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6780 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6781 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6782 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6783 (DECL_ALIGN): Adjust to new field in union.
6784 (DECL_OFFSET_ALIGN): New field.
6785 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6786 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6787 (union tree_decl): Add struct for both aligns.
6788 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6789 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6790 (struct record_layout_info): Rework fields to have offset
6791 alignment and byte and bit position.
6792 (start_record_layout, place_field): Renamed from old names.
6793 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6794 (byte_position, int_byte_position): Likewise.
6795 (get_inner_reference): Change types of position and length.
6796 * unroll.c (unroll_loop): New variable R; use for some loops.
6797 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6798 (calculate_giv_inc): Arg REGNO now unsigned.
6799 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6800 * varasm.c (assemble_variable): Clean up handling of size using
6801 host_integerp and tree_low_cst.
6802 (decode_addr_const): Use byte, not bit, position.
6803 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6804 use tree_low_cst and int_bit_position.
6805 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6807 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6809 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6810 (reorder_block_def): New members eff_head and eff_end.
6811 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6812 (verify_insn_chain): New function.
6813 (skip_insns_between_block): Add code to skip deleted insns.
6814 Check for note before using.
6815 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6816 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6817 Check for note before using.
6818 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6819 (fixup_reorder_chain): Restructure, clean up, defect removal.
6820 (reorder_basic_blocks): Remove last_insn and references to it.
6821 Moved insn chain verification code into a new function (see above).
6822 Delete defective code that sets last insn.
6823 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6826 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6828 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6830 2000-03-24 Richard Henderson <rth@cygnus.com>
6832 * tree.c (lang_safe_for_unsave): Remove.
6833 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6834 allowing for two levels of unsafeness. Remove lang hook.
6835 * tree.h: Update declarations.
6836 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6837 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6838 Always fail sibcalls when there are pending cleanups.
6840 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6842 * flow.c (propagate_block): When we delete an ADDR_VEC,
6843 also delete the BARRIER following it if there is one.
6845 2000-03-24 Richard Henderson <rth@cygnus.com>
6847 * builtins.c (expand_builtin_bzero): Convert `length' argument
6850 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6852 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6853 comparison if regno's are equal.
6854 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6855 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6856 (expand_call): Update caller.
6857 Avoid making a sibling call if argument size of the callee is larger
6858 than argument size of the caller.
6859 Call hard_function_value with outgoing set if in sibcall pass.
6860 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6862 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6863 Change LEAF_REGISTERS from an array initializer to actual array
6864 identifier. Move static global variable into the function.
6865 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6866 sequences for leaf functions.
6867 * global.c (global_alloc): Likewise.
6868 * tm.texi (LEAF_REGISTERS): Update documentation.
6870 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6871 TARGET_FLAT leaf disabling hack.
6872 (LEAF_REGISTERS): Changed from an array initializer to actual array
6873 identifier to avoid duplication and remove the above hack.
6874 (FUNCTION_OK_FOR_SIBCALL): Define.
6875 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6876 always like call attribute.
6877 (eligible_for_sibcall_delay): New attribute.
6878 (sibcall): New delay type.
6879 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6880 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6881 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6882 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6883 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6885 (output_function_epilogue): Move part of the code into
6886 output_restore_regs.
6887 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6889 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6892 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6893 until infrastructure is finished.
6895 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6897 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6898 (save_parm_insns): Not here.
6900 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6902 * builtins.c (expand_builtin_bzero): New function.
6903 (expand_builtin): Handle bzero.
6905 * builtins.def: Add BUILT_IN_BZERO.
6907 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6908 prototype & function for bzero.
6910 2000-03-23 Michael Meissner <meissner@redhat.com>
6912 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6913 change adding TARGET_FP to the TF floating point insns, except for
6914 trunctfsf2, which generates direct calls to truncdfsf2.
6916 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6918 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6919 try to protect against middle-end changes that break binary
6921 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6923 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6925 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6927 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6929 * calls.c (expand_call): If TARGET is passed by reference and
6930 is readonly, write a CLOBBER.
6932 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6934 * builtins.c (expand_builtin): Handle bcmp.
6936 * builtins.def: Add BUILT_IN_BCMP.
6938 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6939 prototype & function for bcmp.
6941 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6943 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6944 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6945 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6947 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6949 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6950 alternative when using -fp64 -gp32.
6952 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6954 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6955 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6956 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6958 * frame.h (frame_state): Revert last change.
6959 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6960 * libgcc2.c (throw_helper): Revert last change.
6962 2000-03-22 Richard Henderson <rth@cygnus.com>
6964 * stmt.c (expand_asm_operands): Don't promote the temporary.
6966 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6968 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6969 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6970 c_get_alias_set): Likewise.
6971 * c-decl.c (duplicate_decls): Likewise.
6972 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6973 * calls.c (initialize_argument_information): Likewise.
6974 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6976 * dwarfout.c (decl_class_context,output_type): Likewise.
6977 * expr.c (get_inner_reference): Likewise.
6978 * fold-const.c (simple_operand_p,fold): Likewise.
6979 * function.c (aggregate_value_p): Likewise.
6980 * stmt.c (expand_asm_operands): Likewise.
6981 * varasm.c (named_section): Likewise.
6983 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6985 Implement dwarf2 exception handling for the ARM.
6986 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6987 (DWARF_FRAME_RETURN_COLUMN): Define.
6988 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6989 REG_FRAME_RELATED_EXPR note.
6990 (emit_sfm): Likewise.
6991 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6992 * dwarf2out.c (reg_save): Handle saving a register to itself.
6993 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6994 * except.c (eh_regs): Don't use the static chain reg if it's
6996 * frame.h (frame_state): Add cfa_saved field.
6997 * frame.c (execute_cfa_insn): Set it.
6998 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7000 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7002 (instantiate_virtual_regs): Adjust.
7004 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7005 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7006 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7008 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7009 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7011 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * builtins.def: New file.
7015 * Makefile.in (TREE_H): Depend on builtins.def.
7017 * builtins.c (built_in_names): Use builtins.def.
7019 * tree.h (built_in_function): Likewise.
7021 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7023 * tree.c (size_in_bytes): Return size_zero_node, not
7026 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7028 * config/fp-bit.c (pack_d): Correct the case when a denormal
7029 is rounded up and stops being denormal.
7031 2000-03-21 Richard Henderson <rth@cygnus.com>
7033 * config/alpha/alpha.c (function_arg): Check for void_type_node
7034 before using MUST_PASS_IN_STACK.
7036 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7038 * regmove.c (combine_stack_adjustments_for_block): Check that
7039 the stack pointer is a valid memory address.
7041 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7043 * calls.c: re-install Mar 16 emit_library_call merge.
7045 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7047 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7048 we cannot be sure that if reload_completed base register will
7049 be properly aligned.
7051 2000-03-21 Richard Henderson <rth@cygnus.com>
7053 * flow.c (delete_block): Fix typo last change.
7055 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7057 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7058 not COMPLETE_TYPE_P, to check the type of the expression.
7060 2000-03-21 Michael Meissner <meissner@redhat.com>
7062 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7063 all floating point insns that just tested the macro
7064 TARGET_HAS_XFLOATING_LIBS.
7065 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7066 used to only use the gprs.
7068 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7070 * tree.h (COMPLETE_TYPE_P): New macro.
7071 (COMPLETE_OR_VOID_TYPE_P): New macro.
7072 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7073 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7074 * c-aux-info.c (gen_type): Use them.
7075 * c-common.c (c_expand_expr_stmt): Likewise.
7076 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7077 grokdeclarator, grokparms, finish_struct, start_function,
7078 store_parm_decls, combine_parm_decls): Likewise.
7079 * c-parse.y (cast_expr): Likewise.
7080 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7081 c_size_in_bytes, c_alignof, build_component_ref,
7082 build_indirect_ref, build_array_ref, convert_arguments,
7083 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7084 * calls.c (initialize_argument_information): Likewise.
7085 * convert.c (convert_to_integer): Likewise.
7086 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7087 * dwarfout.c (location_or_const_value_attribute,
7088 output_enumeration_type_die, output_structure_type_die,
7089 output_union_type_die, output_type): Likewise.
7090 * expr.c (safe_from_p, expand_expr): Likewise.
7091 * function.c (assign_parms): Likewise.
7092 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7093 * tree.c (build_array_type, build_function_type,
7094 build_method_type, build_offset_type, build_complex_type): Likewise.
7095 * c-parse.c, c-parse.h: Regenerated.
7097 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7099 * config/c4x/rtems.h: Include config/rtems.h.
7101 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7103 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7104 decl is a FUNCTION_DECL
7106 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7108 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7109 function uses output registers. Don't save RP for leaf functions.
7110 Do save RP even if no epilogue.
7111 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7112 (CALL_USED_REGISTERS): Unmark in registers.
7113 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7116 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7118 * config/rs6000/rs6000.md (bunordered): New expander.
7119 (bordered): New expander.
7120 (buneq): New expander.
7121 (bunge): New expander.
7122 (bungt): New expander.
7123 (bunle): New expander.
7124 (bunlt): New expander.
7125 (bltgt): New expander.
7127 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7128 (ccr_bit_negated_p): New function.
7129 (print_operand): For %C, generate appropriate cror for UNEQ,
7130 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7132 2000-03-20 Andreas Jaeger <aj@suse.de>
7134 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7137 * tree.h (safe_for_unsave): Prototype.
7139 2000-03-20 Richard Henderson <rth@cygnus.com>
7141 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7142 (combine_stack_adjustments_for_block): Don't allow sp references
7143 in the side of a set we're not fixing up.
7144 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7145 after life_analysis.
7147 2000-03-20 Richard Henderson <rth@cygnus.com>
7149 * calls.c (expand_call): Don't bother generating tail call
7150 sequences if there are pending cleanups. Use
7151 expand_start_target_temps/expand_end_target_temps to elide
7152 cleanups created during sibcall expansion.
7154 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7156 * configure.in: Set $IFS to a value if it doesn't already have one
7157 in the --enable-checking handling.
7158 * configure: Regenerate.
7160 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7162 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7163 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7166 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7168 * jump.c (delete_noop_moves): Remove code attempting to
7169 combine stack adjustments.
7171 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7173 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7174 * except.c (emit_cleanup_handler): Use them.
7175 (expand_end_all_catch): Likewise.
7176 * function.c (fixup_var_refs): Likewise.
7177 (expand_function_end): Clear catch_clauses_last.
7178 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7179 * except.h (struct eh_status): New field x_catch_clauses_last.
7180 (catch_clauses_last): New define.
7182 * Makefile.in (tree.o): Depend on HASHTAB_H.
7183 * tree.c: Include hashtab.h.
7184 (struct type_hash): Remove next field.
7185 (TYPE_HASH_SIZE): Remove.
7186 (TYPE_HASH_INITIAL_SIZE): New define.
7187 (type_hash_table): Change type to htab_t.
7188 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7189 mark_hash_entry): New functions.
7190 (init_obstacks): Allocate type hash.
7191 (type_hash_lookup): Use htab functions.
7192 (type_hash_add, mark_type_hash): Likewise.
7193 (dump_tree_statistics): Call print_type_hash_statistics.
7195 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7197 * rs6000/t-aix41: New file.
7199 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7201 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7203 * tm.texi (Driver): Fix typos and tweak entry for
7205 Move misplaced STRUCT_FORCE_BLK entry ...
7206 (Storage Layout): ... to here.
7207 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7209 2000-03-19 Richard Henderson <rth@cygnus.com>
7211 * flow.c (delete_block): Delete the addr_vec along with the block.
7212 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7215 * fold-const.c (extract_muldiv): Apply type check for defined
7216 overflow to multiply as well as divide.
7218 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7220 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7222 * emit-rtl.c (remove_unncessary_notes): Check that all
7223 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7224 associated NOTE_BLOCK.
7225 * function.h (identify_blocks): Update comments.
7226 (reorder_blocks): Declare.
7227 * function.c (identify_blocks): Don't take paramters.
7228 (reorder_blocks): Don't take parameters.
7229 * loop.h (find_loop_tree_blocks): Remove.
7230 (unroll_block_trees): Likewise.
7231 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7232 reorder_blocks instead of unroll_block_trees.h
7233 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7234 * stmt.c (find_loop_tree_blocks): Remove.
7235 (unroll_block_trees): Likewise.
7236 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7237 in whole-function mode.
7238 * tree.h (reorder_blocks): Remove declaration.
7240 * expr.c: Include intl.h.
7241 * Makefile.in (expr.o): Depend on intl.h.
7243 2000-03-18 Richard Henderson <rth@cygnus.com>
7245 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7247 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7249 * tree.h (tree_index): Remove enumerals for integer types.
7250 (integer_type_kind): New type.
7251 (integer_types): New variable.
7252 (char_type_node): Adjust.
7253 (signed_char_type_node): Likewise.
7254 (unsigned_char_type_node): Likewise.
7255 (short_integer_type_node): Likewise.
7256 (short_unsigned_type_node): Likewise.
7257 (integer_type_node): Likewise.
7258 (unsigned_type_node): Likewise.
7259 (long_integer_type_node): Likewise.
7260 (long_unsigned_type_node): Likewise.
7261 (long_long_integer_type_node): Likewise.
7262 (long_long_unsigned_type_node): Likewise.
7263 * tree.c (integer_types): New variable.
7264 (init_obstacks): Register it as a root.
7266 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7268 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7269 NEXT_INSN. Update last insn in chain.
7271 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7273 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7274 with TYPE_DECL_SUPPRESS_DEBUG set.
7276 2000-03-18 Richard Henderson <rth@cygnus.com>
7278 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7280 2000-03-18 Richard Henderson <rth@cygnus.com>
7282 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7283 care for HALF_PIC_P.
7284 (expander_call_insn_operand): Remove.
7285 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7286 * i386.h (PREDICATE_CODES): Update.
7287 * i386.md (all call expanders): Remove predicates, remove special
7288 handling for half-pic.
7289 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7290 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7291 (sibcall_epilogue): New.
7293 2000-03-17 Richard Henderson <rth@cygnus.com>
7295 * rtlanal.c (single_set): Reject if the parallel has anything
7296 except SET or USE or CLOBBER.
7298 2000-03-17 Jeff Law <law@cygnus.com>
7299 Richard Henderson <rth@cygnus.com>
7301 * Makefile.in (OBJS): Add sibcall.o.
7303 * sibcall.c: New file.
7304 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7305 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7306 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7307 Emit sibcall patterns when requested. Update all callers.
7308 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7309 elimination seems feasable.
7310 * final.c (leaf_function_p): Sibling calls don't discount being
7312 * flow.c (HAVE_sibcall_epilogue): Provide default.
7313 (find_basic_blocks_1): Sibling calls don't throw.
7314 (make_edges): Make edge from sibling call to EXIT.
7315 (propagate_block): Don't remove sibcall_epilogue insns.
7316 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7317 (sibcall_epilogue): New.
7318 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7319 (identify_blocks_1): Likewise. Break out from ...
7320 (identify_blocks): ... here.
7321 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7322 (reorder_blocks): ... here.
7323 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7324 (record_insns): Extend a varray instead of mallocing new memory.
7325 (contains): Read a varray not array of ints.
7326 (sibcall_epilogue_contains): New.
7327 (thread_prologue_and_epilogue_insns): Emit and record
7328 sibcall_epilogue patterns.
7329 (init_function_once): Allocate prologue/epilogue varrays.
7330 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7331 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7333 (save_for_inline_nocopy): ... here.
7334 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7336 (expand_inline_function): ... here.
7337 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7338 (subst_constants): Handle 'n' formats.
7339 * jump.c (jump_optimize_minimal): New.
7340 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7341 optimizations if it's set.
7342 * rtl.c (copy_rtx): Do copy jump & call for insns.
7343 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7344 (SIBLING_CALL_P): New.
7345 (sibcall_use_t): New.
7346 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7347 Invoke optimize_sibling_and_tail_recursive_calls.
7348 * tree.c (lang_safe_for_unsave): New.
7349 (safe_for_unsave): New.
7350 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7352 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7353 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7354 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7356 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7358 * objc/objc-act.c (encode_method_prototype): Pass types, not
7359 PARM_DECLs, to int_size_in_bytes.
7361 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7363 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7365 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7366 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7368 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7370 * Clean up usages of TREE_INT_CST_LOW.
7371 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7372 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7374 * c-tree.h (min_precision): Move declaration to here.
7375 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7376 (build_unary_op, add_pending_init): Use bit_position.
7377 (pending_init_member, process_init_element): Likewise.
7378 (really_start_incremental_init, push_init_level, pop_init_level):
7379 Don't make copies of nodes or modify them in place, use consistent
7380 types when tracking positions, and use tree routines computations.
7381 (set_init_index, output_init_element): Likewise.
7382 (output_pending_init_elements, process_init_element): Likewise.
7383 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7384 tree_low_cst and int_bit_position; also minor cleanup.
7385 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7386 (print_cst_octal): Precision is unsigned.
7387 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7388 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7389 (simple_type_align_in_bits): Result is unsigned int.
7390 Use tree_int_low_cst and host_integerp.
7391 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7392 (field_byte_offset): Result is HOST_WIDE_INT.
7393 Change types of internal variables so alignments are unsigned int,
7394 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7395 Use host_integerp, tree_low_cst, and int_bit_position.
7396 (add_bit_offset_attribute): Likewise.
7397 (add_data_member_location_attribute): Use tree_cst_low.
7398 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7399 (add_bit_size_attribute): Use tree_low_cst.
7400 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7401 * dwarfout.c: Similar changes to dwarf2out.c.
7402 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7403 * genoutput.c (n_occurences): Return -1 for null string.
7404 (strip_whitespace): Accept null string and make into function.
7405 (scan_operands): Reflect above changes.
7406 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7407 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7408 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7409 * tree.c (int_size_in_bytes): Check for too big to represent.
7410 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7411 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7413 (min_precision): Delete from here.
7414 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7415 and int_bit_position.
7416 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7417 (encode_method_def): Likewise.
7418 (build_ivar_list_initializer): Use int_bit_position.
7419 (generate_shared_structures): Convert size.
7420 (encode_type, encode_complete_bitfield): Use integer_zerop.
7421 (encode_bitfield): Use tree_low_cst and int_bit_position.
7423 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7425 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7427 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7429 * call.c (special_function_p): It is only malloc if it returns
7432 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7434 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7435 (C33_FLAG, TARGET_C3X): Add macros.
7436 (TARGET_SWITCHES): Add -m33 option.
7437 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7439 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7441 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7442 (PARALLEL_PACK_FLAG): Delete.
7443 (TARGET_SWITCHES): Update.
7444 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7446 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7448 * fold-const.c (fold): Fix a few cases when the returned result
7449 is not of the same type as the input.
7451 2000-03-16 Nick Clifton <nickc@cygnus.com>
7453 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7456 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7458 * libgcc2.h: Move prototypes above macros with the same name.
7459 Wrap some function prototypes in the conditional which indicates
7460 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7462 2000-03-16 Richard Henderson <rth@cygnus.com>
7464 * calls.c: Revert last two changes.
7466 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7468 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7469 has exponent 0 is a zero.
7471 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7472 HASH may already be nonzero. Add code/mode into hash value
7473 immediately after repeat label.
7474 (cselib_lookup): Don't leave the hash table in an inconsistent
7475 state before a hash lookup operation.
7477 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7479 * i386.md (all HI and QI mode non-move patterns): Conditionize
7480 by TARGET_[HQ]IMODE_MATH.
7481 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7482 x86_promote_qi_regs): Declare.
7483 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7484 TARGET_PROMOTE_QI_REGS): New macros.
7485 (PROMOTE_MODE): New macro.
7486 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7487 x86_promote_qi_regs): New global variables.
7489 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7491 * calls.c (emit_library_call_value_1): Break out from ...; handle
7492 VOIDmode function calls too.
7493 (emit_library_call_value): ... here.
7494 (emit_library_call): Implement by calling emit_library_call_value_1.
7496 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7498 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7499 Update arg_space_so_far on stack adjustments.
7500 (emit_library_call, emit_library_call_value): Likewise; take into
7501 account arg_space_so_far and pending_stack_adjust when calculcating
7504 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7506 * flow.c: Move all basic block reordering code into its own file.
7507 (create_basic_block): Externalize.
7508 * bb-reorder.c: New file. Copy all basic block reordering code from
7509 flow.c to this file.
7510 (reorder_basic_blocks): Fix fencepost error in for-loop.
7511 (reorder_basic_blocks): Remove braces from single statement for-loops.
7512 * basic-block.h: Add declaration for create_basic_block.
7513 * Makefile.in: Add rules for bb-reorder.o.
7515 2000-03-16 Neil Booth <NeilB@earthling.net>
7517 * cppinit.c (handle_option): Implement #unassert directive
7518 as -A- command line option.
7519 (print_help): Update.
7520 * cpptexi.c: Update.
7522 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7524 * md.texi (Standard Names): Document `jump'.
7526 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7528 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7531 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7533 Merge changes from newppc-branch onto trunk.
7535 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7537 * rs6000.c (toc_hash_table): Update for new hash table functions.
7538 (toc_hash_function): Likewise.
7539 (toc_hash_eq): Likewise.
7540 (toc_hash_mark_entry): Likewise.
7541 (toc_hash_mark_table): Likewise.
7542 (output_toc): Likewise.
7543 (rs6000_add_gc_roots): Likewise.
7545 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7547 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7548 (AR_FLAGS_FOR_TARGET): here. New macro.
7550 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7552 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7553 fpmem_operand) Delete.
7555 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7556 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7557 (rs6000_save_machine_status, rs6000_restore_machine_status,
7558 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7559 references to above variables.
7560 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7561 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7562 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7563 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7564 (XER_REGNO_P, XER_REGNO): New.
7565 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7566 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7567 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7569 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7570 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7571 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7573 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7575 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7576 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7577 * rs6000.h: from here.
7579 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7580 (rs6000_select_rtx_section): Likewise.
7581 (rs6000_encode_section_info): Likewise.
7582 (sdata_section): Likewise.
7583 (sdata2_section): Likewise.
7584 (sbss_section): Likewise.
7585 * sysv4.h (rs6000_select_section): Delete prototype.
7586 (rs6000_select_rtx_section): Likewise.
7587 (rs6000_encode_section_info): Likewise.
7588 (sdata_section): Likewise.
7589 (sdata2_section): Likewise.
7590 (sbss_section): Likewise.
7591 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7593 * sysv4.h: Delete various unnecessary #undef's and put a comment
7594 on the remaining ones.
7595 Change various comments according to coding standard.
7597 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7599 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7600 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7601 (CR0_REGNO_P) Remove.
7602 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7603 setup_incoming_varargs, mtcrf_operation, print_operand,
7604 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7605 Use the above macros.
7607 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7609 * config/rs6000/rs6000.md: Added a new alternative for each
7610 pattern that had a 'x' alternative but no 'y' alternative.
7611 Added a new split for each of the above patterns.
7613 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7615 * aix41.h (ASM_CPU_SPEC): Delete.
7616 (CPP_CPU_SPEC): Delete.
7618 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7619 (ASM_OUTPUT_LABEL): Define.
7620 (ASM_GLOBALIZE_LABEL): Define.
7621 (STRIP_NAME_ENCODING): Define.
7622 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7623 (STRIP_NAME_ENCODING): Don't define.
7624 (ASM_OUTPUT_LABEL): Don't define.
7625 (ASM_GLOBALIZE_LABEL): Don't define.
7626 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7627 names, and ASM_OUTPUT_LABEL to output labels, rather than
7629 (ASM_OUTPUT_LABEL): Define.
7630 (ASM_OUTPUT_INT): Use assemble_name.
7631 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7632 (STRIP_NAME_ENCODING): Don't undefine first.
7633 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7635 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7636 specified with 'asm' even with -fleading-underscore.
7637 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7638 (output_epilog): Likewise.
7639 (output_toc): Likewise.
7640 * tramp.asm: Handle -fleading-underscore correctly.
7642 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7644 (nonlocal_goto_receiver): Delete.
7645 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7647 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7648 (SET_ASM_OP): Define.
7649 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7651 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7654 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7655 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7657 * rs6000.h: Add 'u' to more constants.
7659 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7661 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7663 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7665 * rs6000.c (reg_or_u_cint_operand): New function.
7666 (logical_operand): Handle 64-bit hosts.
7667 (logical_u_operand): New function.
7668 (non_logical_cint_operand): Handle 64-bit hosts.
7669 (non_logical_u_cint_operand): New function.
7670 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7671 (PREDICATE_CODES): Define new functions.
7672 * rs6000-protos.h: Declare new functions.
7673 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7674 (movdi_64): Bracket code intended for 64-bit hosts. Create
7675 CONST_DOUBLE for 32-bit values.
7676 (scc insns): Generate DImode compares.
7677 (mfcr insns): Create DImode versions.
7678 (sge matchers): New patterns.
7680 2000-02-15 Gabriel Paubert <paubert@iram.es>
7682 * rs6000.md: Correct instructions length attributes and
7683 constraints on unsigned compare instructions.
7684 (*ne0): Disable for PowerPC64.
7686 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7688 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7689 quantity, fix profile1.C test failure under -fPIC.
7691 * rs6000.c: Add 'u' to many constants to suppress warnings.
7692 (constant_pool_expr_1): Make static.
7693 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7694 * rs6000.h: Add 'u' to many constants to suppress warnings.
7696 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7697 for the start of the TOC, instead of LCTOC..0.
7698 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7700 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7701 (load_toc_aix_di): Use LCTOC..1.
7703 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7704 * rs6000.c (rs6000_legitimize_address): New function from
7705 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7706 symbols in the constant pool that really are TOC references.
7707 (print_operand_address): For ELF, write TOC offsets under
7708 -fPIC as subtractions in the insn.
7709 (output_toc): For ELF, define symbols in TOC as normal labels,
7711 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7712 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7713 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7714 * rs6000.md (movsi): Only use create_TOC_reference on
7715 symbols in the constant pool that really are TOC references.
7717 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7718 * rs6000.c (rs6000_reorg): Delete.
7719 * rs6000-protos.h (rs6000_reorg): Delete.
7721 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7723 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7725 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7726 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7727 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7728 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7729 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7730 rs6000_aix_emit_builtin_unwind_init.
7731 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7732 rs6000_emit_eh_toc_restore on AIX.
7733 (return_eh_si): Use r2.
7734 (return_eh_di): Use r2.
7736 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7737 since we're breaking binary compatibility anyway.
7739 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7741 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7742 constant_pool_expr_p): Declare them.
7743 (constant_pool_expr_p): Declare it.
7744 * config/rs6000/rs6000.c (toc_label_name): Define.
7745 (rs6000_override_options): Set toc_label_name.
7746 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7747 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7748 uses_TOC): New functions.
7749 (print_operand): Delete old '*' case.
7750 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7751 and strip off rtl for TOC before calling output_addr_const.
7752 (rs6000_emit_load_toc_table): Use toc_label_name.
7753 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7755 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7756 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7757 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7758 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7759 into explicit TOC_REGISTER offsets.
7760 (TOC_REGISTER): New macro.
7761 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7762 TARGET_TOC to reference TOC_REGISTER.
7763 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7764 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7765 uses_TOC before emitting label references.
7767 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7769 * rs6000.md (stack_tie): Fix warning.
7771 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7772 to handle -fleading-underscore.
7773 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7774 (USER_LABEL_PREFIX): New macro.
7775 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7776 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7777 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7778 call-linux can use the same multilibs.
7779 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7780 and call-linux multilibs. Do multilib with -fleading-underscore.
7781 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7782 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7785 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7786 have MASK_SOFT_FLOAT set.
7787 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7788 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7789 CPP_FLOAT_DEFAULT_SPEC.
7791 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7792 * rs6000.md: Whitespace change.
7793 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7794 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7796 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7798 * rs6000.md (eh_epilogue): New expander.
7799 (eh_reg_restore): New expand/split/insn combination.
7800 (return_eh_si): New insn.
7801 (return_eh_di): New insn.
7803 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7804 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7805 * eabi-ctors.c (__do_global_ctors): Register this object's
7806 frame. Clean up. Call atexit() after the constructors.
7807 (__do_global_dtors): Deregister this object's frame. Clean up.
7808 Allow for recursive calls to exit().
7809 * rs6000.c (fixuplabelno): New variable.
7810 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7811 TARGET_RELOCATABLE, it slows down exec() under linux.
7812 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7814 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7815 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7816 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7817 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7818 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7819 (ASM_OUTPUT_DWARF_ADDR): New macro.
7820 (ASM_OUTPUT_DWARF_DATA4): New macro.
7821 (ASM_OUTPUT_DWARF_DATA2): New macro.
7822 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7823 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7824 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7826 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7828 * rs6000.c (rs6000_sr_alias_set): New variable.
7829 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7830 (rs6000_emit_stack_tie): New function.
7831 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7832 in a way that dwarf2out can understand.
7833 (rs6000_frame_related): New function.
7834 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7835 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7836 Use rs6000_emit_stack_tie when needed.
7837 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7838 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7839 * rs6000.md (stack_tie): New insn.
7840 (return_internal_si): Allow return value to be in the count
7842 (return_internal_di): Likewise.
7844 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7846 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7848 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7850 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7852 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7854 * rs6000.md (stmw): Use the right POWER opcode.
7857 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7859 * rs6000-protos.h: New file.
7861 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7863 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7866 * sysv4.h: Likewise.
7868 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7870 * ../../configure.in: Delete powerpcle-*-winnt*
7871 and powerpcle-*-pe|powerpcle-*-cygwin*.
7872 * ../../configure: Regenerated.
7874 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7875 (TARGET_WINDOWS_NT): Delete.
7877 (CALL_NT_DLLIMPORT): Delete.
7878 Delete NT-specific code.
7879 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7882 * nt-ci.asm: Delete.
7883 * nt-cn.asm: Delete.
7884 * ntstack.asm: Delete.
7886 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7888 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7889 (ASM_FILE_START): Likewise.
7890 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7891 (ASM_OUTPUT_LABELREF): Likewise.
7892 (ASM_OUTPUT_SKIP): Likewise.
7893 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7894 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7895 (ASM_OUTPUT_CASE_LABEL): Likewise.
7896 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7897 (ASM_OUTPUT_ASCII): Likewise.
7899 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7901 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7902 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7903 increment rs6000_pic_labelno here.
7904 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7905 and increment rs6000_pic_labelno here.
7907 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7909 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7910 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7911 allocation knows (reg) is dead before the insn.
7913 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7915 * rs6000.md (movsi_to_cr): Correct typo in output template.
7917 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7919 * rs6000.c (rs6000_pic_labelno): Always define.
7920 (rs6000_pic_func_labelno): Delete.
7921 (lmw_operation): Check for a zero base register,
7922 which doesn't mean what we want.
7923 (stmw_operation): New function.
7924 (print_operand): Define new 'l' modifier.
7925 (rs6000_stack_info): We must save all 64 bits of the registers
7926 if TARGET_POWERPC64.
7927 (rs6000_output_load_toc_table): Delete.
7928 (rs6000_emit_load_toc_table): New function.
7929 (rs6000_allocate_stack_space): Delete.
7930 (rs6000_emit_allocate_stack): New function.
7931 (rs6000_emit_prologue): New function.
7932 (output_prolog): Use rs6000_emit_prologue.
7933 (rs6000_emit_epilogue): Change a few variable names to be
7934 more accurate. Restore all 64 bits of the registers if
7935 TARGET_POWERPC64. Only restore the FP registers which were used
7936 if they are being saved/restored one-at-a-time.
7937 (output_mi_thunk): Delete inefficient code generation.
7938 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7939 * rs6000.h: Declare rs6000_emit_load_toc_table,
7940 rs6000_allocate_stack_space, stmw_operation. Don't declare
7941 rs6000_output_load_toc_table.
7942 * rs6000.md (elf_high): Allow register 0, but discourage it
7944 (elf_low): Support loading into register 0.
7945 (load_toc_aix_si): New pattern.
7946 (load_toc_aix_di): New pattern.
7947 (load_toc_v4_pic_si): New pattern.
7948 (load_toc_v4_pic_di): New pattern.
7949 (load_toc_v4_PIC_1): New pattern.
7950 (load_toc_v4_PIC_1b): New pattern.
7951 (load_toc_v4_PIC_2): New pattern.
7952 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7953 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7954 (prologue): New expander.
7955 (movesi_from_cr): New pattern.
7956 (stmw): New pattern.
7957 (save_fpregs_si): New pattern.
7958 (save_fpregs_di): New pattern.
7960 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7962 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7967 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7969 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7971 (movsi_got_internal): Likewise.
7972 (movsi_got_internal+1): Likewise.
7973 (set_sp): 'unspec 7' does a SImode clobber.
7975 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7977 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7978 allocate a stack temporary.
7979 (floatsidf2_internal): Likewise.
7980 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7982 (floatunssidf2): Don't use the fpmem "register", just
7983 allocate a stack temporary.
7984 (floatunssidf2_internal): Likewise.
7985 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7987 (floatsidf2_loadaddr): Delete.
7988 (floatsidf2_store1): Delete.
7989 (floatsidf2_store2): Delete.
7990 (floatsidf2_load): Delete.
7991 (fix_truncdfsi2): Don't use the fpmem "register", just
7992 allocate a stack temporary.
7993 (fix_truncdfsi2_internal_si): Delete.
7994 (fix_truncdfsi2_internal_di): Delete.
7995 (fix_truncdfsi2_internal): New insn.
7996 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7997 (fix_truncdfsi2_store): Delete.
7998 (fix_truncdfsi2_load): Delete.
7999 (fctiwz): Produce gen_fctiwz.
8001 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8003 * eabi.h (INVOKE__main): Define.
8004 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8006 (rs6000_emit_prologue): Likewise.
8007 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8008 this is the main program.
8010 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8012 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8014 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8016 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8017 goes after the argument.
8019 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8021 * rs6000.md: Document 'unspec' values used.
8022 (epilogue): New expander.
8023 (movesi_to_cr_one): New expander.
8024 (movesi_to_cr and following): New pattern.
8026 (return_internal_si): New pattern.
8027 (return_internal_di): New pattern.
8028 (return_and_restore_fpregs_si): New pattern.
8029 (return_and_restore_fpregs_di): New pattern.
8030 * rs6000.h: Declare new functions.
8031 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8032 rather than rs6000_calls_p.
8033 (rs6000_makes_calls): Delete.
8034 (lmw_operation): New function.
8035 (mtcrf_operation): New function.
8036 (rs6000_emit_epilogue): New function.
8037 (output_epilog): Call rs6000_emit_epilogue and final if
8038 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8040 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8042 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8043 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8044 * aix.h (SUBTARGET_SWITCHES): Document switches.
8045 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8046 sched-prolog and sched-epilog the same. Document all the
8048 (TARGET_OPTIONS): No longer allow -mdebug-.
8050 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8052 * rs6000.h (ASM_FILE_END): Move to aix.h.
8053 (EXTRA_SECTIONS): Move to aix.h.
8054 (READONLY_DATA_SECTION): Move to aix.h.
8055 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8056 (SELECT_SECTION): Move to aix.h.
8057 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8058 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8059 (LINK_REGISTER_REGNUM): New definition.
8060 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8061 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8063 * sysv4.h: Delete the code between the inclusion of rs6000.h
8065 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8066 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8067 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8068 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8069 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8070 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8071 (fix_truncdfsi2_internal_di): New pattern.
8072 (fix_truncdfsi2_store): The second arg here is Pmode too.
8073 (fix_truncdfsi2_load): The second arg here is Pmode too.
8074 (tablejumpdi): Now that switch tables hold only SImode values,
8075 gcc needs to know how to add them to the pc which is DImode.
8076 * rs6000.c (rs6000_stack_info): Use symbolic name for
8077 LINK_REGISTER_REGNUM.
8078 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8079 (output_toc): Delete unused variables s1 and s2.
8080 (output_ascii): Use fputs not fprintf on a variable string.
8082 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8084 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8085 * aix43.h: Revert Aug 2 change.
8086 (HAS_INIT_SECTION): Define, not visible yet.
8087 (LD_INIT_SWITCH): Define, not visible yet.
8088 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8090 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8092 * config/rs6000/rtems.h: Include config/rtems.h.
8094 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8096 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8097 (SLOW_UNALIGNED_ACCESS): Define.
8098 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8099 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8100 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8101 (toc_section): Likewise and .toc pseudo-op.
8102 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8104 (TEXT_SECTION_ASM_OP): Likewise.
8105 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8108 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8110 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8111 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8114 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8116 * rs6000.h: Move more stuff from here...
8118 * sysv4.h: Cleanup accordingly.
8119 * netware.h: Likewise
8121 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8123 * rs6000.h: Continue cleanup.
8126 * netware.h: Likewise.
8128 * sysv4.h: Likewise.
8129 * win-nt.h: Likewise.
8131 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8132 (TARGET_OPTIONS): Likewise.
8134 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8135 (SUBTARGET_OPTIONS): Likewise.
8137 * rs6000.md: Fix compile time warnings.
8139 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8141 vxworks patches from the Cygnus tree originally by
8142 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8143 <vmakarov@cygnus.com>.
8144 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8145 (ENDFILE_SPEC): Likewise.
8146 (LIB_VXWORKS_SPEC): New macro.
8147 (STARTFILE_VXWORKS_SPEC): New macro.
8148 (ENDFILE_VXWORKS_SPEC): New macro.
8149 (LINK_START_VXWORKS_SPEC): New macro.
8150 (LINK_OS_VXWORKS_SPEC): New macro.
8151 (CPP_OS_VXWORKS_SPEC): New macro.
8152 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8153 * vxppc.h: Rewrite to use proper configuration method.
8154 * vxppcle.h: New file.
8155 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8156 * ../../configure: Rebuilt.
8158 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8160 Lots of changes to rs6000.h, sysv4.h, aix.h,
8161 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8162 with the aim that rs6000.h is the first header
8163 included and the others override it.
8166 * x-aix41-gld: Remove.
8168 * x-aix41: Remove target-specific switches, and don't specify
8169 -Wl,-bbigtoc as we don't need it any more.
8170 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8171 Use t-aix43 for AIX 4.3 and above.
8172 * ../../configure: Regenerated.
8174 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8175 options, that don't do anything yet.
8176 (MASK_SCHED_PROLOG): New macro.
8177 (MASK_SCHED_EPILOG): New macro.
8178 (TARGET_SCHED_PROLOG): New macro.
8179 (TARGET_SCHED_EPILOG): New macro.
8181 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8183 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8184 one per translation unit, not one per function.
8185 (output_toc): Also do duplicate constant elimination
8186 for per-translation-unit TOCs.
8188 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8189 a comment explaining _exactly_ when this pattern gets used.
8190 (builtin_setjmp_receiver): New pattern for better clarity.
8191 (init_v4_pic): Move it into a section dealing with TOC registers.
8193 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8195 * rs6000.c (toc_hash_table): New variable.
8196 (rs6000_hash_constant): New function.
8197 (toc_hash_function): New function.
8198 (toc_hash_eq): New function.
8199 (toc_hash_mark_entry): New function.
8200 (toc_hash_mark_table): New function.
8201 (output_toc): Don't output duplicate TOC entries in
8203 (rs6000_add_gc_roots): Add the hash table as a GC root.
8204 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8205 where they clearly shouldn't be. This may need to be fixed
8206 later when there is a GNU ar for AIX.
8207 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8208 Don't define BOOT_LDFLAGS as it is now not necessary.
8210 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8212 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8213 for va_list on AIX. Use unsigned_char_type_node rather than
8214 constructing our own version on svr4.
8216 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8218 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8219 since patently it's not.
8221 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8223 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8224 define_expand/define_insn pair, and handle restore of the
8225 SVR4 -fpic register.
8227 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8229 * acconfig.h (HAVE_GAS_WEAK): New define.
8230 * configure.in (assembler weak support): Check for .weak support.
8231 * config.in, configure: Rebuilt.
8232 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8233 HAVE_GAS_WEAK is defined.
8235 2000-03-15 Nick Clifton <nickc@cygnus.com>
8237 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8240 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8242 * cppfiles.c (open_include_file): New function.
8243 (find_include_file, cpp_read_file): Use it.
8245 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8247 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8249 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8251 * flow.c (verify_flow_info): Check for unconditional return.
8253 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8255 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8256 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8257 (__ia64_restore_stack_nonlocal): New.
8258 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8260 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8262 * cpphash.c (collect_formal_parameters): Do not complain about
8263 parameter names that just start with `__VA_ARGS__'.
8265 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8267 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8268 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8269 * i386.c (pentiumpro_cost): Set mul cost to 4.
8270 (x86_use_movx): Set for PPro.
8272 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8274 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8275 STACK_BOUNDARY for empty frames now.
8277 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8279 * stor-layout.c (layout_union): Remove.
8280 (layout_union_field): New function, split out from layout_union.
8281 (finish_union_layout): Likewise.
8282 (layout_field): Handle unions by calling layout_union_field.
8283 (finish_record_layout): Handle unions.
8284 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8285 QUAL_UNION_TYPE handling.
8287 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8289 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8290 end of basic block is jump_insn, not barrier; use create_basic_block
8291 instead of creating basic block by hand.
8293 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8295 * flow.c (reorder_basic_blocks): Account for barriers when writing
8296 over NEXT_INSN (last_bb->end).
8297 (verify_flow_info): Add check for missing barriers.
8299 2000-03-14 Greg McGary <gkm@gnu.org>
8301 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8302 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8303 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8304 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8305 __unbounded, __unbounded__): New keywords.
8306 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8307 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8308 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8310 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8312 * cselib.h: New file.
8313 * alias.c: Include "cselib.h".
8314 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8315 MEMs as two new arguments.
8316 (get_addr): New static function.
8317 (find_base_term): Handle VALUEs.
8318 (memrefs_conflict_p): Likewise.
8319 (true_dependence): Call get_addr on the addresses.
8320 Call fixed_scalar_and_varying_struct_p with addresses that have been
8321 passed through get_addr and canon_rtx.
8322 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8323 with true_dependence.
8324 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8325 * loop.c: Include "cselib.h".
8326 (load_mems): Process extended basic block that enters the loop with
8327 cselib. Use that information to change initialization of the shadow
8328 register so that a constant equivalence is seen by later passes.
8329 * reload1.c: Include "cselib.h".
8330 (reload_cse_invalidate_regno): Delete function.
8331 (reload_cse_mem_conflict_p): Likewise.
8332 (reload_cse_invalidate_mem): Likewise.
8333 (reload_cse_invalidate_rtx): Likewise.
8334 (reload_cse_regno_equal_p): Likewise.
8335 (reload_cse_check_clobber): Likewise.
8336 (reload_cse_record_set): Likewise.
8337 (reg_values): Delete static variable.
8338 (invalidate_regno_rtx): Likewise.
8339 (reload_cse_delete_noop_set): New static function.
8340 (reload_cse_simplify): New static function, broken out of
8342 (reload_cse_noop_set_p): Delete unused argument INSN.
8343 Just call rtx_equal_for_cselib_p on set source and destination.
8344 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8345 reload_cse_delete_noop_set. Delete code to keep track of values; use
8346 cselib functions instead. Delete code to push/pop obstacks.
8347 (reload_cse_simplify_set): Use cselib to find equivalent values.
8348 Delete code to push/pop obstacks.
8349 (reload_cse_simplify_operands): Likewise.
8350 * rtl.def (VALUE): New rtx code.
8351 * rtl.h (union rtunion_def): New elt rt_cselib.
8352 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8353 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8354 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8355 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8356 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8357 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8358 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8359 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8360 cselib_record_set, cselib_record_sets): New static functions.
8361 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8362 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8363 references_value_p): New functions.
8364 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8365 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8366 n_useless_values, reg_values, callmem, cselib_obstack,
8367 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8368 New static variables.
8369 * varray.h (union varray_data_tag): New elt te.
8370 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8371 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8374 2000-03-14 Nick Clifton <nickc@cygnus.com>
8376 * gcc.c (do_spec_1): Catch the case where %* is used in a
8377 substitution pattern, but it has not been initialised.
8378 Issue a meaningful error message if an unrecognised operator
8379 is encountered in a spec string.
8381 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8383 * function.c (prepare_function_start): Correctly initialize
8384 cfun->stack_alignment_needed.
8386 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8388 * cppfiles.c (find_include_file): Don't assume nshort is a
8391 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8393 * configure.in (hppa configurations): Add pa32-regs.h to the
8394 list of tm files as appropriate.
8395 * configure: Rebuilt.
8396 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8398 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8399 (fmpyaddoperands, fmpysuboperands): Likewise.
8400 * pa.h: Remove various definitions which depend on knowing
8401 how registers are numbered.
8402 * pa32-regs.h: New file with PA32 register numbering specific
8405 2000-03-14 Richard Henderson <rth@cygnus.com>
8407 * regmove.c (combine_stack_adjustments): New.
8408 (stack_memref_p, single_set_for_csa): New.
8409 (free_csa_memlist, record_one_stack_memref): New.
8410 (try_apply_stack_adjustment): New.
8411 (combine_stack_adjustments_for_block): New.
8412 * rtl.h (combine_stack_adjustments): Declare.
8413 * toplev.c (rest_of_compilation): Call it.
8415 * i386.md: Revert 2000-01-16 change.
8417 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8419 * gccbug.in: Add web category, gcc specific classes.
8421 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8423 * stor-layout.c (finalize_record_size): Fix typo.
8425 2000-03-14 Stan Shebs <shebs@apple.com>
8427 * c-typeck.c (c_alignof): Error on incomplete types.
8428 * extend.texi (Alignment): Document this.
8430 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8432 * cppfiles.c: Include mkdeps.h.
8433 (find_include_file, read_include_file): Remove _cpp_ prefix
8434 from name, make static.
8435 (_cpp_execute_include): New function, broken out of
8438 * cpplib.c: Don't include mkdeps.h.
8439 (struct directive): Remove type field. Reorder entries. The
8440 function takes only one argument.
8441 (struct if_stack): Make type field an int.
8442 (directive_table): Rename to dtable. Generate it, the
8443 prototypes of the directive handlers, and the enum for the
8444 directive numbers, from a template macro.
8445 (do_ifndef, do_include_next, do_import): New functions.
8446 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8447 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8448 do_ident, do_assert, do_unassert, do_sccs): Take only one
8450 (do_sccs): Define always, but alter behavior based on
8452 (_cpp_handle_directive, consider_directive_while_skipping):
8453 Restructure for new directive table layout.
8455 (pass_thru_directive): Take a directive number, not a pointer
8456 to a struct directive.
8457 (parse_include): New function, broken out of do_include.
8458 (do_include, do_import, do_include_next): Use parse_include
8459 and _cpp_execute_include.
8460 (do_elif, do_else): Test for T_ELSE specifically when checking
8461 for #elif/#else after #else.
8462 (parse_ifdef): New function, broken out of do_ifdef.
8463 (validate_else): Expect a name arg without a leading #.
8464 (if_directive_name): Delete.
8465 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8466 directive handlers with only one argument.
8468 * cpphash.h: Update prototypes.
8469 (enum node_type): Remove entries for directives.
8470 * Makefile.in: Update dependencies.
8472 * cpphash.c (dump_hash_helper): Only dump nodes of type
8473 T_MACRO. Emit a newline after each definition.
8475 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8477 * gccbug.in: New file.
8478 * configure.in (all_outputs): Add gccbug.
8479 * Makefile.in (install-common): Install gccbug.
8480 (GCCBUG_INSTALL_NAME): New variable.
8481 * configure: Rebuilt.
8483 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8485 * function.c (put_var_into_stack): Use type_for_mode to calculate
8486 part_type. Use MEM_SET_IN_STRUCT_P.
8487 * expr.c (store_field): Handle CONCAT.
8488 (store_constructor): Use fields_length.
8489 * tree.c (fields_length): New fn.
8490 * tree.h: Declare it.
8492 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8494 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8495 (cpplex.o): New target.
8496 * po/POTFILES.in: Add cpplex.c.
8498 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8499 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8500 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8501 skip_block_comment, skip_line_comment, skip_comment,
8502 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8503 _cpp_parse_name, skip_string, parse_string,
8504 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8505 _cpp_get_directive_token, find_position,
8506 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8507 (maybe_macroexpand, _cpp_lex_token): New functions.
8509 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8510 parse_goto_mark): Delete.
8511 (_cpp_handle_eof): New function.
8512 (_cpp_handle_directive): Rename from handle_directive.
8513 (_cpp_output_line_command): Rename from output_line_command.
8514 (do_if, do_elif): Call _cpp_parse_expr directly.
8515 * cppfiles.c (_cpp_read_include_file): Don't call
8516 init_input_buffer here.
8517 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8518 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8519 here; pop the token_buffer and skip the rest of the line here.
8520 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8523 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8525 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8526 CPP_GOTO_MARK): New macros.
8527 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8528 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8529 _cpp_read_and_prescan, _cpp_init_input_buffer,
8530 _cpp_grow_token_buffer, _cpp_get_directive_token,
8531 _cpp_handle_directive, _cpp_handle_eof,
8532 _cpp_output_line_command): Prototype them here.
8533 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8534 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8535 quote_string, output_line_command): Remove.
8537 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8539 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8540 whether it is too large we must also verify that it isn't negative.
8542 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8544 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8545 (movsi_zero_liveg0): Remove.
8546 (movsf_insn_novis_liveg0): Remove.
8548 (negsi2_not_liveg0): Rename to negsi2.
8549 (one_cmplsi2): Remove.
8550 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8551 (one_cmplsi2_liveg0): Remove.
8552 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8553 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8554 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8555 (PREDICATE_CODES): Remove zero_operand.
8556 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8557 TARGET_BROKEN_SAVERESTORE.
8558 (zero_operand): Remove.
8559 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8560 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8562 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8563 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8564 TARGET_BROKEN_SAVERESTORE): Remove.
8565 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8567 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8569 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8572 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8574 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8576 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8577 truncating a string. Don't assume tokens are nul terminated.
8578 Problem noted by Andreas Jaeger <aj@suse.de>
8580 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8582 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8583 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8584 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8586 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8588 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8589 STRUCTURE_SIZE_BOUNDARY.
8591 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8593 * tree.h (record_layout_info_s): New structure.
8594 (record_layout_info): New type.
8595 (new_record_layout_info): New function.
8596 (layout_field): Likewise.
8597 (finish_record_layout): Likewise.
8598 * stor-layout.c (layout_record): Remove.
8599 (new_record_layout_info): New function.
8600 (layout_field): New function, broken out from layout_record.
8601 (finalize_record_size): Likewise.
8602 (compute_record_mode): Likewise.
8603 (finalize_type_size): New function, broken out from layout_type.
8604 (finish_record_layout): Likewise.
8605 (layout_type): Use them.
8607 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8609 * cpphash.c: Don't include version.h.
8610 (special_symbol) [case T_VERSION]: Look for the string in
8611 hp->value.cpval; don't use version_string.
8612 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8613 __VERSION__ to version_string.
8614 * Makefile.in (cpphash.o): Update deps.
8616 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8618 Convert cpplib to use libiberty/hashtab.c.
8620 * cpplib.h (struct cpp_reader): Make hashtab and
8621 all_include_files of type 'struct htab *'. Delete HASHSIZE
8622 and ALL_INCLUDE_HASHSIZE macros.
8624 * cpphash.h: Update prototypes.
8625 (struct hashnode): Remove next, prev, and bucket_hdr members.
8626 Make length a size_t. Add hash member.
8627 (struct ihash): Remove next member. Add hash member. Make
8628 name a flexible array member.
8630 * cppfiles.c: Include hashtab.h.
8631 (include_hash): Delete.
8632 (IHASHSIZE): New macro.
8633 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8634 (cpp_included): Do the hash lookup here.
8635 (_cpp_find_include_file): Rewrite.
8636 (cpp_read_file): Put the "fake" hash entry into the hash
8637 table. Honor the control_macro, if it turns out we've seen
8638 the file before. Don't push the buffer here.
8639 (_cpp_read_include_file): Push the buffer here.
8640 (OMODES): New macro. Use it whenever we call open(2).
8642 * cpphash.c: Include hashtab.h.
8643 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8644 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8645 _cpp_lookup_slot): New functions.
8646 (HASHSIZE): new macro.
8647 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8648 (_cpp_lookup): Use hashtab.h routines.
8650 * cppinit.c: Include hashtab.h.
8651 (cpp_reader_init): Call _cpp_init_macro_hash and
8652 _cpp_init_include_hash. Don't allocate hashtab directly.
8653 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8654 pfile->all_include_files.
8655 (initialize_builtins): Use _cpp_make_hashnode and
8656 htab_find_slot to add hash entries.
8657 (cpp_finish): Just call _cpp_dump_macro_hash.
8658 * cpplib.c: Include hashtab.h.
8659 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8660 create hash entries.
8661 (do_pragma_poison, do_assert): Likewise.
8662 (do_include): Don't push the buffer here. Don't increment
8663 system_include_depth unless _cpp_read_include_file succeeds.
8664 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8666 (do_pragma_implementation): Use alloca to create copy.
8668 * Makefile.in: Update dependencies.
8670 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8672 * cppinit.c (cl_directive_handler): More K&R fixing.
8674 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8676 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8678 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8680 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8682 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8683 Change from char[] to macros.
8685 2000-03-12 Neil Booth <NeilB@earthling.net>
8687 * cppinit.c (cpp_start_read): Update indirect function
8690 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8692 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8695 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8696 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8698 2000-03-11 Neil Booth <NeilB@earthling.net>
8700 * cppinit.c (struct pending option): Replace undef with a
8701 pointer to a directive handling routine.
8702 (struct cpp_pending): Replace separate assert_ and define_
8703 lists with one directive_ list.
8704 (new_pending_define): Rename new_pending_directive. Extra
8705 argument is the directive's handling routine.
8706 (handle_option): Update to use new_pending_directive.
8708 2000-03-11 Neil Booth <NeilB@earthling.net>
8710 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8711 remap_filename, _cpp_read_include_file, actual_directory,
8712 hack_vms_include_specification): Replace bcopy(), index() etc
8713 calls. Add casts to some allocations. Make some variables
8714 pointers to const [unsigned] char.
8715 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8716 collect_formal_parameters): Similarly.
8717 * cppinit.c (struct pending_option, append_include_chain,
8718 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8719 cpp_start_read, new_pending_define, handle_option): Similarly.
8720 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8721 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8722 do_pragma_implementation, detect_if_not_defined,
8723 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8724 do_assert, do_unassert): Similarly.
8725 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8726 function prototypes.
8727 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8729 2000-03-10 Richard Henderson <rth@cygnus.com>
8731 * builtins.c (expand_builtin_strlen): Revert last change.
8732 Use emit_insn_before if we're at the beginning of a sequence.
8734 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8736 * builtins.c (expand_builtin_strlen): Make sure that we have something
8737 at the beginning of the sequence.
8739 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8742 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8744 2000-03-10 Richard Henderson <rth@cygnus.com>
8746 * except.c (can_throw): Use INTVAL on a CONST_INT.
8747 (reachable_handlers): Likewise.
8748 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8750 2000-03-10 Andreas Jaeger <aj@suse.de>
8752 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8753 MD_STARTFILE_PREFIX since those are not needed on linux.
8754 (ASM_FILE_START): New, from mips/gnu.h.
8756 2000-03-09 Richard Henderson <rth@cygnus.com>
8757 Alex Samuel <samuel@codesourcery.com> and others
8759 * Makefile.in (ssa.o): New rule.
8761 (STAGESTUFF): Add *.ssa and *.ussa.
8762 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8763 * rtl.def (PHI): New RTL expression.
8764 * rtl.h (clear_log_links): New declaration.
8765 (convert_to_ssa): Likewise.
8766 (convert_from_ssa): Likewise.
8767 * flow.c (split_edge): If the entry node falls through to the
8768 split edge's source block, split the entry edge.
8769 (clear_log_links): New function.
8770 * toplev.c (ssa_dump): New variable.
8771 (flag_ssa): Likewise.
8772 (f_options): Add "ssa".
8773 (compile_file): Create SSA dump files.
8774 (rest_of_compilation): Go to and from SSA if enabled.
8775 (decide_d_option): Handle -de for SSA dump files.
8778 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8780 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8783 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8785 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8787 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8789 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8790 (MD_STARTFILE_PREFIX_1): New macro.
8792 2000-03-09 Robert Lipe <robertl@sco.com>
8794 * config/ia64/ia64.c: Include system.h.
8796 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8798 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8799 (init_eh_nesting_info): Likewise.
8801 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8802 (TREE_NOTHROW): Rename from TREE_RAISES.
8803 * toplev.c (rest_of_compilation): Set it.
8804 * print-tree.c (print_node): Adjust.
8805 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8806 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8807 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8808 REG_EH_REGION note as appropriate.
8809 (libfunc_nothrow): New fn.
8810 (emit_library_call, emit_library_call_value): Use it.
8811 (expand_call): Check TREE_NOTHROW.
8813 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8814 DECL_ASSEMBLER_NAME.
8816 2000-03-09 Andreas Jaeger <aj@suse.de>
8818 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8819 (TARGET_MEM_FUNCTIONS): Define.
8821 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8823 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8825 * except.c (can_throw): See through a SEQUENCE.
8826 (nothrow_function_p): New fn.
8827 * except.h: Declare it.
8828 * function.c (current_function_nothrow): New var.
8829 (prepare_function_start): Initialize it.
8830 * output.h: Declare it.
8831 * toplev.c (rest_of_compilation): Set it.
8832 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8834 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8836 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8837 match. (cpp_compare_defs): Count the nul separator when
8838 advancing over argument names.
8840 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8842 * recog.c (preprocess_constraints): Matching constraints affect
8843 same alternative/different operand, not same operand/different
8846 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8847 register and a constant specially.
8849 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8851 * libgcc2.h: New file.
8852 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8854 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8856 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8857 * configure: Regenerate.
8860 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8862 * Makefile.in (LIBCPP_DEPS): New macro.
8863 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8865 * cpperror.c: Include cpphash.h.
8866 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8868 (lex): Don't use CPP_WARN_UNDEF.
8869 (_cpp_parse_expr): Return an int, the truth value.
8870 * cppfiles.c: Include cpphash.h.
8871 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8872 * cppinit.c (include_defaults_array): Disentangle.
8873 (cpp_cleanup): Don't free the if stack here.
8874 (cpp_finish): Pop off all buffers, not just one.
8875 * cpplib.c (eval_if_expr): Return int.
8876 (do_xifdef): Rename do_ifdef.
8877 (handle_directive): Don't use CPP_PREPROCESSED.
8878 (cpp_get_token): Don't use CPP_C89.
8879 * fix-header.c: Don't use CPP_OPTIONS.
8881 * cpplib.h: Move U_CHAR, enum node_type, struct
8882 file_name_list, struct ihash, is_idchar, is_idstart,
8883 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8884 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8885 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8886 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8887 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8888 of _cpp_simplify_pathname, _cpp_find_include_file,
8889 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8890 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8892 Change all uses of U_CHAR to be unsigned char instead.
8893 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8895 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8897 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8898 (dwarf2out_begin_prologue): Set it.
8899 (output_call_frame_info): Don't emit EH unwind info for leaves.
8901 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8902 can occur outside of an EH region.
8903 * except.c: Correct comments about rethrow behavior.
8904 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8906 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8908 * flow.c (make_edges): Always call make_eh_edge for calls.
8910 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8912 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8913 (struct cpp_buffer): Remove fname and underflow fields.
8914 (struct cpp_reader): Remove get_token field.
8915 (struct include_hash): Rename to struct ihash. Add typedef to
8917 (struct if_stack): Remove fname field.
8918 (IF_STACK_FRAME): Rename to IF_STACK.
8920 * cpperror.c (print_containing_files): Trust that there are no
8921 macro buffers below the top file buffer.
8922 * cppfiles.c: Replace all references to 'struct include_hash'
8923 with 'IHASH'. Rename initialize_input_buffer to
8924 init_input_buffer. Don't set or reference cpp_buffer->fname,
8925 use buffer->ihash->name instead.
8926 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8927 not CPP_NULL_BUFFER.
8928 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8929 IF_STACK_FRAME, IHASH not struct include_hash.
8930 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8931 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8932 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8933 references to cpp_buffer->fname (delete entirely, or use
8934 ->ihash->name instead) and IF_STACK->fname.
8935 (cpp_push_buffer): Don't set new->underflow.
8936 (do_include): Use cpp_file_buffer.
8938 * cpphash.c (collect_formal_parameters): Remove duplicate
8939 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8940 used as a macro argument name. Don't append "..." to namebuf
8941 for varargs macros. After we're done scanning, go through
8942 namebuf and make it NUL separated, not comma separated.
8943 (_cpp_compare_defs): Remove register tag from variables.
8944 Expect defn->argnames to be NUL separated.
8945 (_cpp_dump_definition): Expect defn->argnames to be NUL
8946 separated and in forward order.
8947 * cpphash.h: Update documentation of argnames field.
8949 2000-03-08 Richard Henderson <rth@cygnus.com>
8951 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8952 to fail. Don't pre-expand the source operand.
8954 * i386.md (strlensi): Initialize eoschar and align before use.
8956 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8958 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8959 CONSTRUCTOR element.
8961 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8963 * mips.c (mips_expand_prologue): If the last
8964 named argument is the vararg marker "va_list", treat it as
8965 an unnamed argument.
8967 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8969 * dbxout.c (dbxout_parms): When correcting for promoted
8970 big-endian parameters, use the mode of the DECL_RTL rather
8971 than UNITS_PER_WORD.
8973 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8975 * c-common.h (make_fname_decl): Declare.
8976 * c-common.c (make_fname_decl): Define.
8977 (declare_hidden_char_array): Remove.
8978 (declare_function_name): Use make_fname_decl.
8979 * c-decl.c (c_make_fname_decl): New function.
8980 (init_decl_processing): Set make_fname_decl.
8982 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8984 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8986 2000-03-07 Philipp Thomas <pthomas@suse.de>
8988 * po/POTFILES.in: Remove cppalloc.c from file list.
8990 2000-03-07 Steve Chamberlain <sac@pobox.com>
8992 * pj.c (pj_expand_prologue): current_function->args_info is
8993 now current_function_args_info.
8995 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8996 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8997 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8999 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9001 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9002 output as hexadecimal rather than the default octal.
9004 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9006 * cpphash.c (special_symbol): Fix thinko in previous commit.
9008 2000-03-07 Neil Booth <NeilB@earthling.net>
9010 * cppexp.c (struct operation, left_shift, right_shift,
9011 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9012 "int"s to "unsigned int"s.
9013 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9015 * cpplib.h: Update for above.
9016 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9017 returned from allocations.
9019 * cppinit.c (opt_comp, parse_options): New functions.
9020 (handle_option): Use parse_option to parse a single command
9021 line option, that possibly takes an argument.
9022 (cpp_handle_options): Sort the array of command line options on
9023 first invocation (non-ASCII hosts only).
9024 (print_help): Update.
9026 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9028 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9029 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9031 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9033 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9035 * cpperror.c (cpp_print_containing_files,
9036 cpp_print_file_and_line, v_cpp_message): Rename to
9037 print_containing_files, print_file_and_line, and v_message.
9038 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9039 to _cpp_parse_expr, parse_escape, and lex.
9040 (parse_charconst): Remove broken multibyte support.
9041 * cppfiles.c (include_hash): Make static.
9042 (cpp_included): New function.
9043 (merge_include_chains, find_include_file, finclude,
9044 simplify_pathname): Rename to _cpp_merge_include_chains,
9045 _cpp_find_include_file, _cpp_read_include_file, and
9046 _cpp_simplify_pathname.
9047 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9048 cpp_install, create_definition, macroexpand, compare_defs,
9049 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9050 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9051 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9052 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9054 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9056 * cpphash.h: Update prototypes.
9057 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9059 2000-03-07 Andrew Haley <aph@cygnus.com>
9061 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9062 PTRDIFF_TYPE should be based solely on Pmode.
9065 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9067 * rtl.h (rtunion_def): Constify member `rtstr'.
9068 (emit_line_note_after, emit_line_note, emit_line_note_force,
9069 emit_note, decode_asm_operands): Constify.
9071 * cse.c (canon_hash): Likewise.
9073 * dbxout.c (dbxout_block): Likewise.
9075 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9076 v_warning_for_asm): Likewise.
9078 * dwarfout.c (function_start_label): Likewise.
9080 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9081 emit_line_note_force): Likewise.
9083 * final.c (last_filename, asm_insn_count, final_scan_insn,
9084 output_source_line): Likewise.
9086 * function.h (struct emit_status): Likewise.
9088 * gcse.c (hash_expr_1): Likewise.
9090 * genattr.c (gen_attr, main): Likewise.
9092 * genattrtab.c (struct function_unit, current_alternative_string,
9093 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9094 attr_numeral, check_attr_test, check_attr_value,
9095 convert_set_attr_alternative, convert_set_attr,
9096 compute_alternative_mask, simplify_by_exploding, gen_attr,
9097 gen_unit): Likewise.
9099 * genflags.c (gen_insn): Likewise.
9101 * gengenrtl.c (type_from_format): Likewise.
9103 * genopinit.c (gen_insn): Likewise.
9105 * genoutput.c (n_occurrences, process_template, process_template):
9108 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9111 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9114 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9115 ggc_set_mark, ggc_get_size): Likewise.
9117 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9119 * optabs.c (init_one_libfunc): Likewise.
9121 * output.h (assemble_start_function): Likewise.
9123 * recog.c (decode_asm_operands): Likewise.
9125 * toplev.c (rest_of_compilation): Likewise.
9127 * tree.h (emit_line_note_after, emit_line_note,
9128 emit_line_note_force): Likewise.
9130 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9131 asm_emit_uninitialised, assemble_start_function,
9132 assemble_variable, const_hash, compare_constant_1,
9133 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9135 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9137 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9139 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9141 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9143 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9144 arm_dllimport_name_p): Likewise.
9146 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9149 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9151 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9153 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9154 arm_mark_dllexport, arm_mark_dllimport,
9155 arm_pe_encode_section_info): Likewise.
9157 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9158 ASM_FINISH_DECLARE_OBJECT): Likewise.
9160 * arm/thumb.c (thumb_function_prologue): Likewise.
9162 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9164 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9166 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9168 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9170 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9172 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9174 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9175 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9177 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9179 * i386/i386.c (asm_output_function_prefix): Likewise.
9181 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9183 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9185 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9187 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9188 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9189 ASM_OUTPUT_SECTION_NAME): Likewise.
9191 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9193 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9195 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9197 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9199 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9201 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9203 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9205 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9207 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9209 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9211 * mips/mips.md (movdi, movsi): Likewise.
9213 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9215 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9217 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9219 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9220 ASM_OUTPUT_ASCII): Likewise.
9222 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9223 output_mi_thunk, output_toc): Likewise.
9225 * rs6000/rs6000.md (movsi): Likewise.
9227 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9229 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9231 * v850/v850.c (print_operand, print_operand_address,
9232 v850_encode_data_area): Likewise.
9234 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9236 * config/mips/mips.md (zero_extendsidi2): Always force operand
9237 one to memory for mips16.
9239 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9241 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9242 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9243 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9244 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9245 (min_precision): Result is unsigned.
9246 (add_double, neg_double, mul_double): Low word is unsigned.
9247 (lshift_double, rshift_double, lrotate_double): Likewise.
9248 (rrotate_double, div_and_round_double): Likewise.
9249 (tree_floor_log2, compare_tree_int): New functions.
9250 (preserve_rtl_expr_temps): New declaration.
9251 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9252 (decl_attributes): Use tree_log2 to find alignment.
9253 Check for TREE_INT_CST_HIGH for format args.
9254 (min_precision): Now unsigned.
9255 Use tree_floor_log2.
9256 (truthvalue_conversion): Delete long-disabled code.
9257 * c-decl.c (finish_struct): Clean up tests on field width.
9258 (finish_function): Use compare_tree_int.
9259 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9260 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9261 (default_conversion, digest_init): Use compare_tree_int.
9262 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9263 Fix type errors in forming masks.
9264 * calls.c (initialize_argument_information): Use compare_tree_int.
9265 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9266 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9267 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9268 (store_field): Use compare_tree_int.
9269 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9270 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9271 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9272 (do_store_flag): Use compare_tree_int.
9273 * fold-const.c (encode, decode): Low part is always unsigned.
9274 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9275 (lshift_double, rshift_double, lrotate_double): Likewise.
9276 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9277 (fold_convert): Use compare_tree_int.
9278 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9279 (invert_truthvalue, case INTEGER_CST): Likewise.
9280 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9281 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9282 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9283 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9285 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9286 (expand_end_case): Use compare_tree_int.
9287 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9288 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9289 (layout_decl): Likewise.
9290 (layout_record, layout_union): Make sizes unsigned.
9291 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9292 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9293 * tree.c (struct type_hash): hashcode is unsigned.
9294 (build_type_attribute_variant, type_hash_list): Likewise.
9295 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9296 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9297 (build_complex_type): Likewise.
9298 (real_value_from_int_cst): Remove unneeded casts.
9299 (integer_all_onesp): Add casts.
9300 (tree_floor_log2, compare_tree_int): New functions.
9301 (build_index_type): Use tree_int_cst_sgn.
9302 * varasm.c (assemble_variable): Use compare_tree_int.
9304 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9306 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9308 * varasm.c (make_decl_rtl): Don't add a number to members of
9310 (make_function_rtl): Likewise.
9312 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9314 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9315 patch from 2000-01-28.
9317 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9319 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9320 filled with an insn from the jump target.
9322 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9324 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9325 (c4x_external_ref): Likewise.
9326 * config/c4x/c4x.c (struct name_list): Likewise.
9328 1999-12-16 Ben Collins <bcollins@debian.org>
9330 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9331 argument to genmultilib.
9332 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9333 the contents into the multilib.h header.
9334 * gcc.c: Declare multilib_exclusions for the specs file.
9335 (set_multilib_dir): Use it.
9336 (print_multilib_info): Likewise.
9337 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9338 to pass to genmultilib.
9340 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9342 * builtins.c (built_in_class_names, built_in_names): Constify a
9345 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9347 (_mcleanup): Ensure value matches format specifier in sprintf.
9349 * cpphash.c (special_symbol): Don't needlessly cast away
9352 * cppinit.c (base_name): Delete unused prototype.
9354 * mkdeps.c (deps_init): Make definition K&R safe.
9356 * tree.h (built_in_class_names, built_in_names): Constify a
9359 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9361 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9362 floating point instructions for epilogue delay.
9364 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9365 to gas if it supports .register pseudo.
9367 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9368 LONG_DOUBLE_TYPE_SIZE if not defined.
9369 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9370 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9372 * gengenrtl.c: Likewise.
9373 * print-rtl.c: Likewise.
9375 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9376 MASK_LONG_DOUBLE_128.
9377 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9378 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9379 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9380 (SUBTARGET_SWITCHES): Define.
9381 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9382 with -mlong-double-128.
9383 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9384 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9385 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9386 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9387 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9388 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9389 with -mlong-double-128.
9390 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9391 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9392 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9393 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9394 TARGET_LONG_DOUBLE_128): Define.
9395 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9396 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9397 long double on TARGET_ARCH64.
9399 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9401 * function.c (free_temps_for_rtl_expr): Don't free slots
9402 that have been pushed into a higher level.
9405 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9407 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9409 * basic-block.h (ALLOCA_REG_SET): Remove.
9410 (INITIALIZE_REG_SET): New macro.
9411 * flow.c (update_life_info): Use it.
9412 (calculate_global_regs_live): Likewise.
9413 (propagate_block): Likewise.
9414 * global.c (build_insn_chain): Likewise.
9415 * haifa-sched.c (schedule_region): Likewise.
9417 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9419 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9420 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9421 (DWARF_ARANGES_PAD_SIZE): New define.
9422 (output_aranges): Use it to pad the address range header.
9423 (DWARF_ROUND): Fix for non power of 2 rounding.
9425 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9427 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9429 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9431 * tree.def (RTL_EXPR): Update documentation.
9432 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9433 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9434 * function.c (preserve_rtl_expr_temp): New function.
9435 (preserve_rtl_expr_temps): Likewise.
9436 (preserve_rtl_expr_result): Use it.
9439 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9441 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9443 * regmove.c (copy_src_to_dest) Do not create src->dest move
9444 for unchanging destination.
9446 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9448 * function.h (struct sequence_stack): Remove rtl_expr.
9449 (struct emit_staus): Likewise.
9450 (seq_rtl_expr): Remove.
9451 * tree.h (free_temps_for_rtl_expr): Don't declare.
9452 (start_sequence_for_rtl_expr): Likewise.
9453 * rtl.h (preserve_rtl_expr_result): Likewise.
9454 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9455 (start_sequence_for_rtl_expr): Remove.
9456 (push_topmost_sequence): Don't save sequence_rtl_expr.
9457 (pop_topmost_sequence): Remove comment about not restoring it.
9458 (end_sequence): Don't set seq_rtl_expr.
9459 (init_emit): Don't initialize it.
9460 (mark_sequence_stack): Don't mark it.
9461 (mark_emit_status): Likewise.
9462 * except.c (protect_with_terminate): Use
9463 start_sequence_for_rtl_expr, not start_sequence.
9464 * expr.c (expand_expr, case RTL_EXPR): Don't call
9465 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9466 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9467 (preserve_rtl_expr_result): Remove.
9468 (free_temps_for_rtl_expr): Likewise.
9469 (pop_temp_slots): Likewise.
9470 (mark_temp_slot): Don't mark the rtl_expr.
9471 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9472 start_sequence_for_rtl_expr.
9474 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9476 * mkdeps.c, mkdeps.h: New files.
9477 * po/POTFILES.in: Add them.
9478 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9479 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9480 (mkdeps.o): New target.
9482 * cppfiles.c: Delete deps_output.
9483 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9484 OBJECT_SUFFIX, and base_name.
9485 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9487 (initialize_dependency_output): Use deps_init,
9488 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9489 all the unnecessary string bashing.
9490 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9492 * cpplib.c (do_include): Use deps_add_dep.
9493 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9494 deps_allocated_size, deps_size, deps_column members with
9495 single pointer to a struct deps. Delete prototype of
9498 * cppinit.c: Fix thinko in previous patch.
9500 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9502 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9503 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9504 (mode_for_size_tree): New function.
9505 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9506 * tree.h (mode_for_size_tree): New declaration.
9508 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9510 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9512 * stmt.c (is_body_block): Move...
9513 * dwarfout.c, dwarf2out.c: ...from here.
9514 * tree.h: Declare it.
9515 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9516 * final.c (final_start_function): Do call remove_unnecessary_notes
9519 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9521 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9523 * cpplib.h (_dollar_ok): New macro.
9524 (is_idchar, is_idstart): Use it.
9525 (IStable): Rename to _cpp_IStable. Declare it const if
9526 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9527 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9528 is_space): Update for renamed IStable.
9530 * cppinit.c: Delete all references to FAKE_CONST and CAT
9531 macros. Define init_IStable as empty macro if gcc >=2.7 or
9532 C99. Change TABLE() to ISTABLE and hardcode name of table.
9533 (cpp_start_read): Don't change the IStable based on
9536 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9537 changed. Handle '$' for char1 correctly.
9538 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9540 * cppexp.c (tokentab2): Make const.
9541 (cpp_lex): Make toktab const.
9542 * cppinit.c (include_defaults_array): Make const.
9543 (initialize_standard_includes): Make default_include const.
9545 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9547 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9548 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9549 (gen_decl_die): Likewise.
9550 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9551 (output_decl): Likewise.
9553 * varasm.c (make_function_rtl): If we change the name used in the
9554 rtl, update DECL_ASSEMBLER_NAME accordingly.
9555 (make_decl_rtl): Likewise.
9557 * toplev.c (rest_of_compilation): Tweak formatting.
9559 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9560 remove_unnecessary_notes.
9561 (debug_ignore_block): New fn.
9562 * toplev.h: Declare it.
9563 * emit-rtl.c (remove_unncessary_notes): Call it.
9564 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9565 * dwarf2out.h: Declare it.
9566 * final.c (final_start_function): Don't call remove_unnecessary_notes
9567 if we did insn scheduling.
9569 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9571 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9572 * cpplib.h: Delete SET_CPP_PEDANTIC.
9574 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9576 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9577 result is a RECORD_TYPE.
9579 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9581 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9583 2000-03-03 Richard Henderson <rth@cygnus.com>
9585 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9586 addition over compliments over shifts.
9588 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9590 * reload1.c (reload_combine_note_use): Handle return register USEs.
9591 REG case: Handle multi-hard-register hard regs.
9593 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9595 * md.texi: Document use of '*' in insn pattern name.
9597 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9599 * calls.c (special_function_p): operator new may not be malloc-like.
9601 * gcse.c (dump_hash_table): Really fix error in last change.
9603 2000-03-02 Denis Chertykov <denisc@overta.ru>
9605 * avr.c (print_operand): Use print_operand_address instead of
9607 * avr/libgcc.S: Cleanup code.
9609 2000-03-02 Richard Henderson <rth@cygnus.com>
9611 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9613 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9615 * tree.h (TYPE_ALIGN_UNIT): New macro.
9617 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9619 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9621 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9623 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9625 (SET_CPP_PEDANTIC): New macro.
9626 * cpplib.c (do_include): Don't bother checking system_header_p.
9627 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9628 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9630 * function.h (struct expr_status): Add x_arg_space_so_far.
9631 (arg_space_so_far): New macro.
9632 * expr.c (init_expr): Initialize it.
9633 * calls.c (emit_call_1): Reset it.
9634 (compute_argument_block_size, expand_call): Use it.
9635 (expand_call, store_one_arg): Increment it.
9637 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9639 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9642 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9644 * cppfiles.c (cpp_read_file): New function.
9646 * cpphash.c (collect_expansion): Make sure to reset last_token
9647 to NORM when we hit a string. Handle trailing whitespace
9648 properly when the expansion is empty.
9649 (create_definition): Disable line commands while parsing the
9651 (dump_definition): If pfile->lineno == 0, output a line
9652 command ahead of the dump, and add a trailing newline.
9654 * cppinit.c (append_include_chain): Add fifth argument, which
9655 indicates whether or not system headers are C++ aware.
9656 (initialize_standard_includes): New function,
9657 broken out of read_and_prescan. Pass 'cxx_aware' value from
9658 the include_defaults_array on to append_include_chain.
9659 (dump_special_to_buffer): Const-ify char array.
9660 (builtin_array): Don't dump __BASE_FILE__.
9661 (cpp_start_read): Use cpp_read_file. Reorder code for
9662 clarity. Don't output line commands here for -D/-A/-U
9663 switches. Don't call deps_output for files included with
9664 -include or -imacros.
9666 * cpplib.c (do_define): Don't pay any attention to the second
9668 (cpp_expand_to_buffer): Disable line commands while scanning.
9669 (output_line_command): Work in the file buffer.
9670 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9671 Fix formatting of comments. Prototype cpp_read_file.
9673 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9675 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9676 reference the language-equivalent of sizetype.
9677 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9678 * fold-const.c (size_binop, size_diffop): Put back checks.
9679 * gcse.c (dump_hash_table): Fix minor error in last change.
9680 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9681 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9684 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9686 * calls.c (expand_call) Do not attempt to combine stack adjustments
9687 with inhibit_defer_pop set.
9689 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9691 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9692 the DECL_SIZE for a FIELD_DECL.
9694 2000-03-01 Bruce Korb <bkorb@gnu.org>
9696 * fixinc/inclhack.tpl: remove unused symlinks
9697 * fixinc/README: GCC Maintainer info
9698 * fixinc/inclhack.sh: regen
9699 * fixinc/fixincl.sh: regen
9701 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9703 * cpphash.c (collect_expansion): Trim trailing white space
9704 from macro definitions, but don't go past the last insertion
9707 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9709 * i386.md (mulqi3): New pattern.
9711 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9713 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9715 (struct cpp_reader): Add parsing_if_directive and
9716 parsing_define_directive flags.
9717 (struct cpp_options): Remove output_conditionals flag.
9718 (check_macro_name): Delete prototype.
9720 * cpphash.h (struct macrodef): Delete.
9721 (struct reflist): Separate from struct definition.
9722 (struct definition): Remove unused fields. Add column number.
9723 (create_definition): Returns a DEFINITION *. Takes a
9724 cpp_reader * and an int.
9726 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9727 (PEEKC): Copy defn from cpplib.c.
9728 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9730 (struct arglist): Simplify.
9731 (collect_expansion): Rewrite. Get tokens by calling
9732 cpp_get_token. Add more error checking.
9733 (collect_formal_parameters): New function, broken out of
9734 create_definition and reworked to use get_directive_token.
9735 (create_definition): All real work is now in collect_expansion
9736 and collect_formal_parameters. do_define handles finding the
9737 macro name. Return a DEFINITION, not a MACRODEF.
9738 (macroexpand): Replace bcopy with memcpy throughout. Replace
9739 character-at-a-time copy loop with memcpy and pointer increments.
9740 (compare-defs): d1->argnames / d2->argnames might be null.
9742 * cpplib.c (copy_rest_of_line): Delete function.
9743 (skip_rest_of_line): Do all the work ourselves.
9744 (skip_string): New function.
9745 (parse_string): Use skip_string.
9746 (get_macro_name): New function.
9747 (check_macro_name): Delete.
9748 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9749 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9750 (handle_directive): ICE if we're called on a macro buffer.
9751 (do_define): Determine macro name and type (funlike/objlike)
9752 here. Expunge all uses of MACRODEF.
9753 (cpp_push_buffer): Set line_base to NULL.
9754 (do_undef, read_line_number): Don't worry about getting a POP token.
9755 (eval_if_expression): Set/reset parsing_if_directive around
9756 cpp_parse_expr. Don't clear only_seen_white.
9757 (skip_if_group): Remove output_conditionals logic. Use
9759 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9760 tokens under appropriate conditions.
9761 (cpp_unassert): Call do_unassert not do_assert. Oops.
9763 * cppexp.c (parse_defined): New function, break out of
9765 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9766 ourselves, with cpp_defined.
9767 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9769 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9770 * gcc.dg/strpaste-2.c: New.
9772 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9774 * fold-const.c (size_binop): Don't asert inputs are the same and
9775 have TYPE_IS_SIZETYPE set.
9776 (size_diffop): Likewise.
9778 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9780 * dwarfout.c (output_block): Output abstract blocks even if they
9781 don't have TREE_ASM_WRITTEN set.
9783 * calls.c (emit_library_call): Check for null REG.
9785 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9787 * c-decl.c (current_function_decl): Move to toplev.c.
9788 (init_decl_processing): Don't add current_function_decl as a ggc
9790 * dbxout.c (dbxout_symbol): Change return type to int.
9791 (dbxout_symbol_location, dbxout_syms): Likewise.
9792 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9793 any locals. Use current_function_func_begin_label if set.
9794 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9795 * dwarf2out.c (dwarf2out_begin_prologue): Set
9796 current_function_func_begin_label.
9797 * final.c (final_start_function): Reset it.
9798 * toplev.c (current_function_decl): Define it here.
9799 (current_function_func_begin_label): New variable.
9800 (main): Add both as ggc roots.
9801 * tree.h (current_function_func_begin_label): Declare.
9803 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9805 * gcse.c: Cleanups throughout: mostly white-space, but also
9806 some minor rearrangement of code.
9808 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9810 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9811 returns a PARALLEL. Use emit_group_load and use_group_regs
9813 (emit_library_call_value): Similarly.
9815 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9816 * pa/quadlib.asm: Remove.
9817 * pa/quadlib.c: New file.
9819 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9820 * configure: Rebuilt.
9822 2000-02-29 Philip Blundell <pb@futuretv.com>
9824 * config/arm/conix-elf.h: New file.
9825 * configure.in (arm*-*-conix*): New configuration.
9826 * configure: Regenerate.
9828 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9830 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9831 don't have TREE_ASM_WRITTEN set.
9833 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9835 * Eliminate DECL_FIELD_SIZE.
9836 * builtins.c (built_in_class_names, built_in_names): New variables.
9837 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9838 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9839 DECL_SIZE, not DECL_FIELD_SIZE.
9840 * print-tree.c (print_node): Remove code that prints extra blank
9841 lines in some cases.
9842 Properly handle inline and builtin function cases.
9843 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9844 * tree.h (built_in_class_named, built_in_names): New declarations.
9845 (union tree_decl): Rename internal unions to u1 and u2 and change
9846 some of their components.
9847 Add new field built_in_class.
9848 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9849 Reflect above changes.
9850 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9851 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9852 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9853 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9855 2000-02-28 Dmitri Makarov <dim@windriver.com>
9857 * extend.texi: Document ARM's support for long/short calls.
9859 * invoke.texi: Document ARM's -mlong-calls command line switch.
9861 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9862 (arm_encode_call_attribute): Add prototype.
9863 (arm_set_default_type_attribute): Add prototype.
9864 (arm_strip_name_encoding): Add prototype.
9866 * config/arm/arm.c (arm_init_cumulative_args): replace
9867 initialisation og 'long_calls' field with initialisation of
9868 'call_cookie' field.
9869 (enum arm_pragma_enum): New enum.
9870 (arm_pragma_long_calls): New static variable.
9871 (arm_process_pragma): Also process "#pragma long_calls_off".
9872 (arm_valid_type_attribute_p): Accept short_call attribute.
9873 (arm_comp_type_attributes): Check long/short call attributes.
9874 (arm_encode_call_attribute): New function: Encode long_call
9875 or short_call attribute in function name.
9876 (arm_set_default_type_attributes): New function: Assign
9877 default attributes to newly defined type.
9878 (current_file_function_operand): New function: Return true if
9879 the symbol is a function which has already been compiled.
9880 (arm_is_longcall_p): New function: Return true if the
9881 indicated function should be called via a long call.
9882 (arm_get_strip_length): New function. Returns number of
9883 prefix characters to be stripped from a function's name.
9884 (arm_strip_name_encoding): New function. Strip prefix characters
9885 from a function's name.
9887 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9889 (SHORT_CALL_FAG_CHAR): Define.
9890 (LONG_CALL_FAG_CHAR): Define.
9891 (ENCODED_SHORT_CALL_ATTR_P): Define.
9892 (ENCODED_LONG_CALL_ATTR_P): Define.
9893 (ARM_NAME_ENCODING_LENGTHS): Define.
9894 (STRIP_NAME_ENCODING): Define.
9895 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9896 (ARM_ENCODE_CALL_TYPE): Define.
9897 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9898 (ARM_DECLARE_FUNCTION_SIZE): Define.
9899 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9901 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9902 if a long call is needed.
9903 (call_value): Ditto.
9904 (call_symbol): Ditto.
9906 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9907 ARM_DECLARE_FUNCTION_SIZE.
9909 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9910 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9911 (ARM_STRIP_NAME_ENCODING): Undefine.
9912 (STRIP_NAME_ENCODING): Undefine.
9913 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9914 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9915 (ASM_OUTPUT_COMMON): Ditto.
9916 (ASM_DECLARE_OBJECT_NAME): Ditto.
9918 * config/arm/pe.c (arm_dllexport_name_p): Check for
9920 (arm_dllimport_name_p): Ditto.
9921 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9922 (arm_mark_dllimport): Ditto.
9924 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9926 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9928 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9930 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9932 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9934 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9935 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9936 NO_BUILTIN_WCHAR_TYPE is not defined.
9937 (CPP_WCHAR_TYPE): Delete.
9938 * cccp.c (main): Don't change wchar_type if cplusplus.
9939 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9941 2000-02-28 Nick Clifton <nickc@cygnus.com>
9943 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9945 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9947 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9948 (ASM_WEAKEN_LABEL): Define.
9950 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9952 * expr.c (store_constructor): Do not emit USE.
9953 * rtl.h (stupid_life_analysis): Remove.
9955 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9957 * function.c (number_blocks): Reset next_block_index based on
9958 what debugging format is used, not what is defined.
9960 * lcm.c: Minor reformatting throughout.
9961 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9963 * toplev.c (rest_of_compilation): Account for time in
9964 optimize_mode_switching.
9966 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9967 if only marking labels.
9969 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9971 * calls.c (expand_call): Attempt to combine stack adjustments with
9972 pending stack adjustments.
9974 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9976 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9977 to the end of the function.
9979 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9981 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9983 * final.c (next_block_index): Remove.
9984 (max_block_depth): Likewise.
9985 (pending_blocks): Likewise.
9986 (init_final): Don't initialize them.
9987 (final_start_function): Don't set next_block_index. Set up
9989 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9990 * function.h (number_blocks): New function.
9991 * function.c (get_block_vector): New function.
9992 (identify_blocks): Use it.
9993 (reorder_blocks): Set NOTE_BLOCK.
9994 (number_blocks): New function.
9995 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9996 * tree.h (BLOCK_NUMBER): New macro.
9997 (tree_block): Add block_num field.
9998 * dbxout.c (next_block_number): Remove.
9999 (dbxout_init): Don't set it.
10000 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10001 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10003 * toplev.c (rest_of_compilation): Always call
10004 find_loop_tree_blocks. Fix indentation.
10005 * dwarf2out.c (next_block_number): Remove.
10006 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10007 to determine block numbers.
10008 (gen_inlined_subroutine_die): Likewise.
10009 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10010 (decls_for_scope): Don't increment next_block_number.
10011 * dwarfout.c (next_block_number): Remove.
10012 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10013 to determine block numbers.
10014 (output_inlined_subroutine_die): Likewise.
10015 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10016 (output_decls_for_scope): Don't increment next_block_number.
10017 * sdbout.c (next_block_number): Remove.
10018 (sdbout_block): Use BLOCK_NUMBER.
10019 (sdbout_begin_block): Simplify.
10020 * xcoffout.c (next_block_number): Remove.
10021 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10022 (xcoffout_begin_block): Don't set next_block_number.
10023 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10026 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10028 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10029 (expand_builtin_strcpy): Pass correct type to size_binop.
10030 (expand_builtin_strcmp): Likewise.
10031 Clean up conditional structure.
10032 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10033 (complete_array_type): Don't use size_binop for MAXINDEX.
10034 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10035 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10036 (c_alignof): Use size_one_node.
10037 (build_unary_op): Pass arg of proper type to size_binop.
10038 (really_start_incremental_init, push_init_level): Use sizetype for
10039 constructor{,_bit,_unfilled}_index.
10040 (pop_init_label, output_init_element): Likewise.
10041 (output_pending_init_elements, process_init_element): Likewise.
10042 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10043 * expr.c (store_expr): Use size_int.
10044 (store_constructor): Use proper types for size_binop args.
10045 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10046 (expand_expr_unaligned): Likewise.
10047 (string_contant): Return object of sizetype.
10048 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10049 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10050 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10051 * fold-const.c (int_const_binop): Refine when size_int is called.
10052 (fold_convert): Likewise.
10053 (size_int_wide): Rework to take KIND as arg, only take low order
10054 bits, handle new sizetype_tab datatype, and chain entries in
10056 (size_int_type_wide): New function.
10057 (size_binop): Validate types of arguments.
10058 (ssize_binop): Deleted.
10059 (size_diffop): New function.
10060 (extract_muldiv): Only fold division into multiplication for sizetypes.
10061 * function.c (assign_parms): Use size_diffop and make sure
10062 VAR field is of ssizetype; also pass proper type to size_binop.
10063 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10064 (round_down): Deleted from here.
10065 * store-layout.c (sizetype_tab): Now an array.
10066 (sizetype_set, early_root_list): New variables.
10067 (variable_size): Use size_one_node.
10068 (round_up): Pass proper type to size_binop.
10069 (round_down): Moved to here and corrected as above.
10070 (layout_record): Pass proper arg types to size_binop.
10071 (layout_type): Likewise.
10072 If sizetype_set is zero, record the type just laid out.
10073 (make_unsigned_type): Don't call set_sizetype;
10074 (make_signed_type): Likewise; also, call fixup_signed_type.
10075 (initialize_sizetypes): New function.
10076 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10077 set name of bitsizetype to "bit_size_type".
10078 Fix up type of sizes of all types made before call.
10079 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10080 * tree.c (fix_sizetype): Deleted.
10081 (build_common_tree_nodes): Call initialize_sizetypes.
10082 (build_common_tree_nodes_2): Don't call fix_sizetype.
10083 * tree.h (TYPE_IS_SIZETYPE): New macro.
10084 (initialize_sizetype): New declaration.
10085 (enum size_type_kind): New type.
10086 (struct sizetype_tab): Deleted.
10087 (sizetype_tab): Now array; adjust sizetype macros.
10088 (size_diffop, size_int_type_wide): New functions.
10089 (size_int_wide): Change number of args and type; access macros changed.
10090 (ssize_int, sbitsize_int): New macros.
10091 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10092 (ROUND_TYPE_SIZE_UNIT): New macro.
10094 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10096 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10098 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10100 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10101 Mark as possibly unused.
10103 * cse.c (cse_insn): Delete dead code involving tablejump.
10104 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10106 * Makefile.in (libcpp.a): Start by deleting it.
10108 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10110 * cpplib.h (enum file_change_code): Added rename_file.
10111 * cpplib.c (do_line): If a filename is given, set file_change to
10113 (output_line_command): If file_change is rename_file, always
10114 output a # directive with the file name.
10116 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10118 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10120 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10121 when copying a PARM_DECL or RESULT_DECL.
10123 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10125 * fix-header.c (recognized_function): Also fix prototypes for
10126 functions taking "void".
10128 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10130 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10131 looking at reg_reloaded_contents.
10133 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10135 * Makefile.in (STMP_FIXINC): New toggle.
10136 (LIBGCC2_DEPS): Delete all references.
10137 (stmp-headers): Delete target. All references either deleted
10138 or changed to stmp-int-headers.
10139 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10140 (LIBCPP_OBJS): Take out cppalloc.o.
10141 (cppalloc.o): Delete target.
10142 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10143 (gen-protos, fix-header): Link with libiberty.a.
10144 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10147 * configure.in: Remove refs to strerror.
10148 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10149 * system.h: Take out strerror stanza.
10151 * cpperror.c (my_strerror): Delete function.
10152 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10153 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10154 * cppalloc.c: Delete file.
10155 * gen-protos.c: Don't provide xrealloc.
10157 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10158 xstrerror throughout.
10160 2000-02-26 Bruce Korb <bkorb@gnu.org>
10162 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10163 match for DOS headers, too.
10164 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10166 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10168 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10169 is right for most ELF targets.
10170 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10171 Let the default file use %U properly.
10172 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10175 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10178 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10180 * toplev.c (documented_lang_options): Correct spelling error.
10181 (decode_d_option, decode_f_option, main): Likewise.
10183 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10185 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10186 to tell assembler it is permitted to expand large constants.
10188 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10190 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10191 (aux_info_suffix): Use.
10192 (SAVE_SUFFIX): New macro.
10193 (save_suffix): Use.
10194 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10195 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10196 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10198 * invoke.texi (Running Protoize): Update documentation.
10200 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10202 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10204 2000-02-25 John Wehle (john@feith.com)
10206 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10208 2000-02-25 Anthony Green <green@cygnus.com>
10210 * toplev.c (rest_of_compilation): Rebuild jump labels if
10211 combine_instructions has created a new direct jump.
10212 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10214 (combine_instructions): Call try_combine with new argument.
10215 Return non-null value when new direct jump instruction is created.
10216 * rtl.h: combine_instructions returns an int.
10218 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10220 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10221 jump when changing a computed jump into a jump to a known
10224 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10226 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10227 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10229 * i386.md (define_expand "clrstrsi"): Fix typo.
10231 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10233 * rtl.texi: Fix typo.
10235 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10237 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10238 UNITS_PER_WORD. Change caller initial_elimination_offset.
10239 (rounded_frame_size): Take into account that argument pushed has
10240 changed. Fix TARGET_ALIGN_DOUBLE problem.
10242 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10244 * haifa-sched.c (schedule_block): Explain the real reason
10245 we delete REG_SAVE_NOTEs on the first insn of a block.
10246 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10248 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10250 * input.h (push_srcloc): New function.
10251 (pop_srcloc): Likewise.
10252 * toplev.c (push_srcloc): Define it.
10253 (pop_srcloc): Likewise.
10255 2000-02-24 Richard Henderson <rth@cygnus.com>
10257 * flow.c (life_analysis): When collecting reg info, clear
10260 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10262 Fix bug exposed by reload.c no longer rounding the frame
10263 size to BIGGEST_ALIGNMENT:
10264 * sh.c (rounded_frame_size): New function.
10265 (sh_expand_prologue, sh_expand_epilogue): Use it.
10266 (initial_elimination_offset): Likewise.
10268 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10270 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10271 * sh-protos.h (sh_need_epilogue): Declare.
10272 * sh.c (sh_need_epilogue_known): New static variable.
10273 (sh_need_epilogue): New function.
10274 (function_epilogue): Clear need_epilogue_known.
10275 * sh.md (return): Split into expander / insn pattern.
10276 Make the expander conditional on ! sh_need_epilogue ().
10278 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10280 * machmode.h (get_mode_alignment): Declare.
10281 (GET_MODE_ALIGNMENT): Call it.
10282 * stor-layout.c (get_mode_alignment): New function. Make
10283 sure alignment is always power of 2.
10285 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10287 * i386.h: Remove useless definition of "I386" and misleading
10290 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10292 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10293 under which TREE_PERMANENT will be set.
10294 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10295 build1): Use TREE_SET_PERMANENT.
10296 * print-tree.c (print_node): Don't report value of
10297 TREE_PERMANENT if ggc_p is true.
10299 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10300 decide whether to give a type a new alias set.
10301 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10302 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10303 of value of 'obstack'.
10306 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10308 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10310 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10312 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10313 * cpplib.c (cpp_get_token): Produce them.
10314 * cppexp.c (cpp_lex): Handle them.
10316 2000-02-23 Nick Clifton <nickc@cygnus.com>
10318 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10319 comment tests on type attributes.
10321 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10323 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10324 conform to documentation.
10325 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10326 to check for special cases.
10327 * sh-protos.h (sh_loop_align): Declare.
10328 * sh.c (sh_loop_align): Define.
10330 2000-02-22 Andrew Haley <aph@cygnus.com>
10332 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10333 (SIZE_TYPE): Is 32 bits when using -mgp32.
10334 (PTRDIFF_TYPE): Ditto.
10336 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10338 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10340 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10342 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10343 BIGGEST_FIELD_ALIGNMENT a constant.
10345 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10347 * dwarf2out.c (output_line_info): Put the marker for the end of
10348 the line number info at the actual end.
10349 (gen_struct_or_union_type_die): Use decl_function_context
10350 to check for local classes.
10351 * dwarfout.c (output_type): Likewise.
10353 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10355 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10356 for arguments with a mode, but no type.
10357 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10358 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10359 * pa/long_double.h: New file.
10360 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10361 both have 128bit wide long doubles.
10362 * configure: Rebuilt.
10364 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10366 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10368 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10369 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10370 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10372 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10374 * integrate.c (compare_blocks, find_block): Likewise.
10376 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10378 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10380 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10381 expand_asm_operands): Likewise.
10383 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10385 * predict.c (estimate_probability): Added the pointer heuristic to
10386 the collection of static branch predictors.
10388 2000-02-21 Catherine Moore <clm@cygnus.com>
10390 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10391 * invoke.texi (-mfix7000): Document.
10393 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10395 * diagnostic.c (init_output_buffer): Make it possible to output at
10396 least 32 characters if we're given a too long prefix.
10398 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10400 * varasm.c (initializer_constant_valid_p): Call
10401 lang_expand_constant to simplify the constant.
10403 2000-02-20 Bruce Korb <bkorb@gnu.org>
10405 * fixinc/inclhack.def(stdio_va_list):
10406 typedef needs to be disabled.
10407 * fixinc/inclhack.sh: regen
10408 * fixinc/fixincl.x: regen
10410 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10412 * print-rtl.c (print_rtx): Don't print addresses when
10413 flag_dump_unnumbered.
10415 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10417 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10419 (sparc_va_arg, sparc_flat_output_function_prologue,
10420 sparc_flat_output_function_epilogue): Cast value to unsigned in
10422 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10424 * sparc.md: Add default case in switch.
10426 2000-02-19 Richard Henderson <rth@cygnus.com>
10428 * c-typeck.c (add_pending_init): Don't abort for multiple
10429 fields at the same offset.
10430 (pending_init_member): Test the correct member.
10432 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10434 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10436 (start_catch_handler) : Same.
10438 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10440 * Makefile.in: Have flow.o depend on $(EXPR_H)
10442 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10444 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10445 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10446 (finish_decl): Remove -Wlarger-than code from here.
10447 * flags.h (id_clash_len): Now int.
10448 (larger_than_size): Now HOST_WIDE_INT.
10449 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10450 Clean up checking to see if in table.
10451 (make_bit_field_ref): Remove extra parm to bitsize_int.
10452 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10453 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10454 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10455 and for computing size of decl.
10456 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10457 Move -Wlarger-than code to here.
10458 (layout_record): Remove extra arg to bitsize_int.
10459 Set TYPE_BINFO_SIZE_UNIT.
10460 (layout_union): Remove extra arg to bitsize_int.
10461 Use proper type for size of QUAL_UNION.
10462 (layout_type): Remove extra arg to bitsize_int.
10463 * toplev.c (id_clash_len): Now int.
10464 (larger_than_size): Now HOST_WIDE_INT.
10465 (decode_W_option): Clean up id-clash and larger-than- cases.
10466 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10467 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10468 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10469 (struct tree_decl): New field size_unit.
10470 (size_int_wide): No HIGH operand; NUMBER is now signed.
10471 (size_int_2): Deleted.
10472 (size_int, bitsize_int): Don't use it and rework args.
10473 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10475 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10477 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10479 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10481 * invoke.texi (Warning Options): Add an explanation of why
10482 you might want the -Wfloat-equal flag.
10484 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10486 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10487 * cppinit.c (new_pending_define): Add cast to avoid warning.
10488 * expmed.c (extract_bit_field): Likewise.
10489 * flow.c (enum reorder_skip_type): New type.
10490 (skip_insns_between_blcok): New it.
10491 Rework to avoid warning about possibly undefined variable.
10492 * function.c (assign_parms): Make thisparm_boundary unsigned.
10493 * genrecog.c (write_switch): Cast XWINT result to int.
10494 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10495 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10496 one for MIPS and one for Alpha.
10497 (get_tag, copy_object): Add casts to avoid warnings.
10498 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10499 * reload.c (find_reloads): Make TYPE enum reload_type.
10500 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10501 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10502 * varasm.c (compare_constant_1): Add cast to avoid warning.
10503 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10505 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10506 Cast switch operand of size to int.
10507 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10508 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10511 2000-02-18 Nick Clifton <nickc@cygnus.com>
10513 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10514 anything for an alignment of zero.
10516 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10517 anything for an alignment of zero.
10519 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10521 * gcc.texi (Bug Reporting): Refer to bugs.html.
10522 (Bug Lists): Likewise.
10523 * system.h (GCCBUGURL): New preprocessor define.
10524 * rtl.c (fancy_abort): Use it.
10525 * gcc.c (main): Likewise.
10527 2000-02-18 Richard Henderson <rth@cygnus.com>
10529 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10530 (life_analysis_1): Subsume into ...
10531 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10532 Use update_life_info for the relaxation.
10533 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10534 entry and regs_live_at_setjmp.
10535 (set_noop_p): Simplify.
10536 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10537 (record_volatile_insns): Split into ...
10538 (delete_noop_moves): ... here,
10539 (notice_stack_pointer_modification): ... here,
10540 (insn_dead_p): ... and here.
10541 (propagate_block): Don't query INSN_VOLATILE.
10542 (mark_used_regs): Mind !PROP_REG_INFO.
10543 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10544 not in life_analysis.
10546 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10548 * loop.c (canonicalize_condition): New function,
10549 broken out of get_condition.
10550 (get_condition): Use it.
10551 * expr.h (canonicalize_condition): Prototype it.
10553 * tree.h (tree_int_cst_msb): Declare.
10554 * tree.c (tree_int_cst_msb): New function.
10556 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10558 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10561 * invoke.texi (-fmessage-length=n): Document.
10563 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10565 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10567 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10569 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10570 after the prologue.
10572 2000-02-17 Nick Clifton <nickc@cygnus.com>
10574 * config/arm/thumb.c: Replace includes of system headers with
10575 #include "system.h".
10577 2000-02-16 Richard Henderson <rth@cygnus.com>
10579 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10580 Add crtbeginS.o and crtendS.o.
10581 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10582 (ENDFILE_SPEC): Use crtendS.o.
10583 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10585 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10586 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10587 shared and present.
10588 (__dso_handle): New variable.
10589 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10590 bias to __CTOR_END__.
10592 2000-02-16 Richard Henderson <rth@cygnus.com>
10594 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10596 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10598 * longlong.h (__clz_tab): Declare as static to match definition.
10600 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10602 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10603 (XREF_FILE_NAME): Define.
10605 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10606 (EH_FRAME_SECTION_ASM_OP): Define.
10607 (IDENT_ASM_OP): Define.
10608 (TEXT_SECTION_ASM_OP): Define.
10609 (CPP_SPEC): Define.
10610 (CTORS_SECTION_ASM_OP): Define.
10611 (CTOR_SECTION_FUNCTION): Use it.
10612 (DTORS_SECTION_ASM_OP): Define.
10613 (DTOR_SECTION_FUNCTION): Use it.
10615 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10617 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10620 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10621 debug_bb_n): New functions.
10622 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10623 * basic-block.h: Prototype new functions.
10625 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10627 * configure.in: Add support for avr target.
10628 * configure: Rebuilt.
10630 * invoke.texi: Add AVR invocation docs.
10631 * install.texi: Add information about AVR.
10632 * md.texi: Add AVR constraint letters description.
10633 * extend.texi: Add description for AVR specific attributes.
10635 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10637 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10639 2000-02-16 Nick Clifton <nickc@cygnus.com>
10641 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10642 (make_insn_raw): Move RTL check here.
10644 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10646 * version.c: Include gansidecl.h and version.h.
10648 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10650 * configure.in (gcc_version): When setting, narrow search to
10651 lines containing `version_string'.
10653 * Makefile.in (mainversion): Likewise.
10654 (GCC_H): New variable.
10655 (gcc.h): Delete target.
10656 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10657 (version.o): Depend on version.h.
10658 (dbxout.o): Don't depend on gcc.h.
10660 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10661 Michael Meissner <meissner@cygnus.com>
10663 * md.texi (Simple Constraints): Add item about whitespace.
10664 * genoutput.c (strip_whitespace): New.
10665 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10666 strip_whitespace for constraints.
10667 Test pointer using NULL, not 0.
10669 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10671 * cpplib.c (do_line): Pedwarn for #line > 32767.
10673 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10675 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10677 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10678 to default cpp spec.
10679 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10680 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10683 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10686 2000-02-15 Denis Chertykov <denisc@overta.ru>
10688 * configure.in: Add support for avr target.
10690 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10692 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10693 (sh_addr_diff_vec_mode): Don't declare.
10694 * sh.c (sh_addr_diff_vec_mode): Delete.
10696 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10698 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10700 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10702 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10703 (smulsi3_highpart_i): Name.
10704 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10705 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10706 (smulsi3_highpart, umulsi3_highpart): Likewise.
10708 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10709 correctly independent of endianness.
10710 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10711 confuse the optimizers.
10712 (mulsidi3+1, umulsidi3+1): New define_split.
10714 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10716 * config/sh/sh.md: Guard insn splits against illegal registers.
10717 * config/sh/sh.h: Correct comment about macros.
10719 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10720 Andrew MacLeod <amacleod@cygnus.com>
10722 * Makefile.in (lcm.o): Depend on insn-attr.h.
10723 * basic-block.h (optimize_mode_switching): Declare.
10724 * lcm.c (tm_p.h, insn-attr.h): #include.
10725 (seginfo, bb_info): New structs.
10726 (antic, transp, comp, delete, insert) : New file-scope static variables.
10727 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10728 (reg_becomes_live, optimize_mode_switching): Likewise.
10729 * tm.texi: Add description of mode switching macros.
10730 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10732 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10733 (fldi_ok, fpscr_set_from_mem): New prototypes.
10734 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10735 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10736 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10737 (sh_flag_remove_dead_before_cse): Remove declaration.
10738 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10739 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10740 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10741 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10742 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10743 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10744 (fldi_ok): New function.
10745 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10746 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10747 (emit_df_insn): Likewise.
10748 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10749 (sh_flag_remove_dead_before_cse): Delete.
10750 (get_free_reg, fpscr_set_from_mem): New functions.
10751 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10752 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10754 2000-02-15 Loren Rittle <ljrittle@acm.org>
10756 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10758 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10760 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10761 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10763 * cccp.c: Include version.h and/or don't declare `version_string'.
10764 * collect2.c: Likewise.
10765 * alpha.c: Likewise.
10766 * arm/aof.h: Likewise.
10767 * arm/coff.h: Likewise.
10768 * arm/elf.h: Likewise.
10769 * arm/pe.h: Likewise.
10770 * arm/tcoff.h: Likewise.
10771 * arm/telf.h: Likewise.
10772 * arm/tpe.h: Likewise.
10773 * arm/vxarm.h: Likewise.
10774 * convex/convex.c: Likewise.
10775 * i386/dgux.c: Likewise.
10776 * i386/sun386.h: Likewise.
10777 * m88k/m88k.c: Likewise.
10778 * mcore/mcore-pe.h: Likewise.
10779 * mips/mips.h: Likewise.
10780 * romp/romp.h: Likewise.
10781 * sh/sh.c: Likewise.
10782 * cpphash.c: Likewise.
10783 * cppinit.c: Likewise.
10784 * dwarf2out.c: Likewise.
10785 * dwarfout.c: Likewise.
10788 * mips-tfile.c: Likewise.
10789 * protoize.c: Likewise.
10790 * toplev.c: Likewise.
10791 * tree.h: Likewise.
10793 * version.c (version_string): Constify a char*.
10795 * version.h: New file.
10797 2000-02-14 Nick Clifton <nickc@cygnus.com>
10799 * configure.in: Add mcore-elf and mcore-pe targets.
10800 * configure: Regenerate.
10802 * NEWS: Add note that MCore port has been contributed.
10804 * invoke.texi: Document command line switches for MCore port.
10805 * install.texi: Add MCore to list of supported targets.
10807 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10809 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10810 then we will need to import the frame handling functions.
10811 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10812 to import the frames themselves.
10814 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10815 Jason Eckhardt <jle@cygnus.com>
10817 * basic_block.h: Added prototype for reorder_basic_blocks.
10818 * toplev.c: Changes to add -freorder-blocks and graph dump after
10819 block reordering is done.
10820 * flow.c (reorder_block_def): New structure for use during block
10822 (REORDER_BLOCK_*): New macros to access members of above structure.
10823 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10824 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10825 functions for block reordering.
10827 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10829 * gcc.texi (Passes): Fix typo.
10830 * md.texi (Standard Names): Ditto.
10831 * tm.texi (Storage Layout): Ditto.
10833 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10835 * cpplib.c (do_define): Only free the old definition if it
10838 2000-02-13 Neil Booth <NeilB@earthling.net>
10840 * cppfiles.c (read_and_prescan): When emitting deferred
10841 newlines, test speccase[] again instead of checking each
10842 possible whitespace character in turn. When we encounter \r,
10843 look behind for \n first, then ahead.
10845 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10847 * cse.c (cse_altered): New internal flag.
10848 (cse_insn): Set it if we changed an insn.
10849 (cse_main): Clear cse_altered before each basic block.
10850 Only garbage collect if cse_altered is true afterward.
10852 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10854 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10856 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10858 * combine.c (simplify_comparison): Fix typo.
10860 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10862 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10865 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10867 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10868 previously inserted node instead of root node. Caller changed.
10870 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10872 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10874 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10876 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10877 __dereg_frame_dtor): Add prototype argument.
10879 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10881 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10883 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10885 * gthr-vxworks.h (__gthread_once): Likewise.
10887 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10889 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10891 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10892 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10893 stack pointer in functions w/o saved registers, output LEAVE more often
10894 on TARGET_USE_LEAVE machines.
10896 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10898 * config/arm/arm.c (arm_init_cumulative_args); New function:
10899 Initlaise the CUMULATIE_ARGS strcuture for a function
10901 (arm_function_arg): New function: Determine where to place a
10902 function's argument. Also handles deciding the function's
10904 (current_file_function_operand): New function: Return true if
10905 the symbol is a function which has already been compiled.
10906 (arm_is_long_call_p): New function: Return true if the
10907 indicated function should be called via a long call.
10908 (arm_valid_type_attribute_p): New function: Return true if the
10909 attribute is a valid, arm specific, attribute.
10910 (arm_comp_type_attribute): New function: Return true if the
10911 two types have compatable, arm specific, attributes.
10913 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10915 (FUNCTION_ARG): Redefine to call arm_function_arg.
10916 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10918 (INIT_CUMULATIVE_ARGS): Redefine to call
10919 arm_init_cumulative_args.
10920 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10922 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10924 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10926 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10927 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10928 (COMP_TYPE_ATTRIBUTES): Define.
10930 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10931 if a long call is needed.
10932 (call_value): Call arm_is_long_call_p to decide if a long call
10934 (call_symbol): Call arm_is_long_call_p to decide if a long call
10937 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10939 2000-02-11 Denis Chertykov <denisc@overta.ru>
10941 * README.AVR: New file with information about the avr ports.
10942 * config/avr: New directory with avr port files.
10944 2000-02-11 Andreas Jaeger <aj@suse.de>
10946 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10948 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10950 * cpphash.c: Fix formatting, update commentary.
10951 (dump_definition): Take three separate arguments instead of a
10952 MACRODEF structure argument.
10953 * cpphash.h: Update prototype of dump_definition.
10954 * cppinit.c (cpp_finish): Update call of dump_definition.
10956 * cpplib.c (do_define): Always create new hash entry with
10957 T_MACRO type. Remove redundant check for redefinition of
10958 poisoned identifier. Update call of dump_definition.
10959 (do_undef): Don't call check_macro_name. Rename sym_length to
10961 (do_error, do_warning): Don't use copy_rest_of_line or
10963 (do_warning): Don't use pedwarn for the actual warning,
10964 only the notice about its not being in the standard. (Fixes
10965 bug with #warning in system headers.)
10966 (do_ident): Stricter argument checking - accept only a single
10967 string after #ident. Also, macro-expand the line.
10968 (do_xifdef): Use cpp_defined. De-obfuscate.
10970 (do_pragma): Split out specific pragma handling to separate
10971 functions. Use get_directive_token. Update commentary. Do
10972 not pass on #pragma once or #pragma poison to the front end.
10973 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10974 do_pragma_default): New.
10976 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10978 * jump.c (jump_optimize_1): The first operand in a relational
10979 can be a CONST_INT.
10980 * optabs.c (emit_conditional_move): Handle relationals which
10981 have a known true/false result.
10983 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10985 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10986 a RETURN insn into a block which already ends with a jump.
10988 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10990 * haifa-sched.c (BUF_LEN): Increase a lot.
10992 2000-02-11 Nick Clifton <nickc@cygnus.com>
10994 * configure.in: Add tm_p_file specification for thumb targets.
10995 * configure: Regenerate.
10997 * config/arm/thumb-protos.h: New file: Prototypes for exported
10998 functions defined in thumb.c.
11000 2000-02-11 Robert Lipe <robertl@sco.com>
11002 * Makefile.in (bootstrap-lean): Remove additional files.
11003 (bootstrap2-lean): Likewise.
11004 (VOL_FILES): List of files for above.
11006 2000-02-11 Nathan Sidwell <nathan@acm.org>
11008 * cpphash.c (special_symbol): Remove spurious argument to
11011 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11013 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11015 * configure: Rebuilt.
11017 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11019 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11021 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11023 * pa.c, pa.h: Remove trigraph sequences within comments.
11025 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11027 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11029 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11031 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11033 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11035 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11037 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11039 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11040 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11041 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11042 (ASM_FILE_END): Use c4x_file_end.
11043 * config/c4x/c4x.c (c4x_global_label): New function.
11044 (c4x_external_ref, c4x_file_end): Likewise.
11046 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11047 (c4x_external_ref, c4x_end_file): Likewise.
11049 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11051 * cppexp.c: Don't include cpphash.h.
11052 (parse_charconst, cpp_lex): Use cpp_defined.
11053 (cpp_lex): Use get_directive_token throughout. Remove
11054 unnecessary cases from switch. Move assertion-handling code
11055 down to OTHER case.
11056 (cpp_parse_expr): If we see '+' or '-', check the context to
11057 determine if they are unary or binary operators. Streamline
11058 the jumps a bit. Do not call skip_rest_of_line.
11060 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11061 static. Export get_directive_token. Update commentary.
11062 (cpp_defined): New function.
11063 (do_define): Remove reference to T_PCSTRING. Call
11064 free_definition to release memory for old definition, when
11065 redefining a macro.
11066 (eval_if_expression): Set only_seen_white to 0 before calling
11067 cpp_parse_expr. Call skip_rest_of_line after it returns.
11068 (cpp_read_check_assertion): Don't preserve a pointer into the
11069 token buffer across a call to cpp_get_token.
11071 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11072 * cppfiles.c (redundant_include_p): Use cpp_defined.
11073 * cpphash.c (free_definition): New function.
11074 (delete_macro): Use it. Update commentary.
11075 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11077 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11078 from enum node_type. Prototype cpp_defined and get_directive_token.
11079 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11081 * fix-header.c (check_macro_names): Use cpp_defined.
11082 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11083 the options structure.
11085 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11087 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11089 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11091 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11092 rather than die->die_tag.
11094 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11096 * combine.c (make_extraction, force_to_mode): Avoid warning on
11097 mixed-signedness conditionals.
11098 (make_field_assignment, nonzero_bits): Likewise.
11099 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11100 (store_split_bit_field, extract_split_bit_field): Likewise.
11101 (extract_fixed_bit_field, store_bit_field,
11102 * expr.c: Change alignment to be unsigned everywhere.
11103 (move_by_pieces, store_constructor_field, store_constructor):
11104 Alignment parm is unsigned.
11105 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11106 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11107 (do_compare_rtx_and_jump): Likewise.
11108 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11109 Compare align with GET_MODE_ALIGNMENT.
11110 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11111 (get_inner_reference): Likewise.
11112 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11113 (expand_assignment): Local vars for alignment now unsigned.
11114 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11115 (do_compare_and_jump): Likewise.
11116 (store_field): Call new function expr_align.
11117 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11118 Alignment arg now unsigned.
11119 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11120 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11121 (extract_bit_field): Likewise.
11122 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11123 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11124 (get_best_mode): Alignment arg is unsigned.
11125 * rtl.h (move_by_pieces): Likewise.
11126 * store-layout.c (maximum_field_alignment, set_alignment):
11128 (layout_decl): Alignment arg is now unsigned.
11129 Remove unneeded casts.
11130 (layout_record, layout_union, layout_type): Remove unneeded casts.
11131 Local alignment variables now unsigned.
11132 (get_best_mode): Alignment arg now unsigned.
11133 * tree.c (expr_align): New function.
11134 * tree.h (expr_align): Likewise.
11135 (maximum_field_alignment, set_alignment): Now unsigned.
11136 (get_inner_reference): Alignment argument is now pointer to unsigned.
11137 * varasm.c (assemble_variable): Add cast to eliminate warning.
11139 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11141 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11142 then store directly into op0.
11144 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11145 the CALL_INSN, and emit the note immediately after it.
11147 2000-02-10 Nick Clifton <nickc@cygnus.com>
11149 * config/arm/thumb.md (epilogue): Include a (return) in the
11150 generated insn, and emit it using emit_jump_insn not
11153 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11155 * function.c (assign_temp): Change zero-sized arrays to size 1.
11156 * integrate.c (expand_inline_function): Do not update
11157 stack_alignment_needed
11158 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11159 add some sanity checking, remove optimization for function with
11162 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11164 * flow.c (mark_regs_live_at_end): Delete unused variables.
11166 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11168 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11169 in macro FRAME_GROWS_DOWNWARD.
11171 * stmt.c (expand_end_bindings): Delete unused variable.
11173 * unroll.c (iteration_info): Mark parameter `loop' with
11176 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11178 * fixinc/server.c (load_data): Return NULL if the marker line is
11180 (run_shell): If load_data returns NULL, retry the command once, in
11183 * configure: Rebuilt.
11185 2000-02-09 Bruce Korb <bkorb@gnu.org>
11187 * gcc/fixincludes: ** DELETED **
11188 * gcc/fixcpp: ** DELETED **
11189 * gcc/fixinc-nt.sed: ** DELETED **
11190 * gcc/just-fixinc: ** DELETED **
11191 * gcc/Makefile.in: Removed out-dated commentary
11192 * gcc/configure.in: Removed fast-fixincludes disablement.
11193 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11195 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11196 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11199 2000-02-09 Richard Henderson <rth@cygnus.com>
11201 * jump.c (delete_insn): Don't delete user labels at -O0.
11203 2000-02-09 Robert Lipe <robertl@sco.com>
11205 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11206 Don't link with HOST_LIBS.
11208 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11210 * configure.in: Correct --help text for --with-dwarf2.
11211 Put tm-dwarf2.h after other tm files, if it's requested.
11212 * configure: Regenerate.
11213 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11216 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11218 * cpplib.h: Provide HASHNODE typedef and forward decl of
11219 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11220 DEFINITION, struct hashnode, struct macrodef, struct
11221 definition, scan_decls prototype, default defn of
11222 INCLUDE_LEN_FUDGE moved elsewhere.
11224 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11225 definition, and struct hashnode moved here. Remove the unused
11226 'predefined' field from struct definition. Replace the 'args'
11227 union with its sole member. All users updated (cpphash.c).
11228 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11229 multiple include guard.
11231 * cpphash.c (hashf): Make static; use better algorithm; drop
11232 HASHSIZE parameter; return an unsigned int.
11233 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11234 used. Calculate HASHSIZE modulus here.
11235 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11237 (create_definition): Drop PREDEFINITION parameter.
11238 * cpplib.c (do_define): Don't calculate a hash value here.
11239 Don't pass (keyword == NULL) to create_definition.
11241 * scan.h: Prototype scan_decls here.
11242 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11243 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11244 callers of cpp_lookup and cpp_install updated.
11246 * cpphash.c (macarg): Hoist all the flag diddling out of the
11248 (macroexpand): ... and out of the loop that calls macarg.
11249 Skip over the initial paren before macro arguments with
11250 cpp_get_non_space_token; point may be some distance before
11251 that paren. Abort if it's not there.
11253 * cpplib.c (parse_clear_mark): Delete function.
11254 (parse_set_mark, parse_goto_mark): Make static.
11255 (ACTIVE_MARK_P): New macro.
11256 (skip_block_comment, skip_line_comment): Do not bump the line
11257 if ACTIVE_MARK_P is true.
11258 (cpp_pop_buffer): The buffer to be popped may not have an
11260 (cpp_get_token): When looking for the initial paren before
11261 macro arguments, only set a mark in a file buffer, Always
11262 return to that mark before proceeding to call macroexpand or
11263 return a NAME token.
11265 * cpplib.h: Remove prototypes of parse_set_mark,
11266 parse_clear_mark, parse_goto_mark.
11267 (struct cpp_options): Rename 'put_out_comments' to
11268 'discard_comments' and invert its sense.
11269 * cppinit.c, cpphash.c, cpplib.c: All users of
11270 put_out_comments changed to use discard_comments, with
11273 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11275 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11276 the edge from a block that both jumps and falls through to the
11279 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11281 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11282 constant source address is legitimate.
11284 2000-02-09 Philip Blundell <pb@futuretv.com>
11286 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11289 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11291 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11293 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11295 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11296 ends with a newline and a NUL. Don't be so clever manipulating
11299 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11301 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11302 not to BIGGEST_ALIGNMENT.
11304 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11306 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11307 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11308 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11309 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11310 * frame.c (execute_cfa_insn): Handle
11311 DW_CFA_GNU_negative_offset_extended.
11313 2000-02-08 Richard Henderson <rth@cygnus.com>
11315 * flow.c (tidy_fallthru_edges): Split out from ...
11316 (delete_unreachable_blocks): ... here.
11317 (find_basic_blocks): Use it.
11319 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11321 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11323 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11325 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11326 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11327 (fix-header.o): Don't depend on cpphash.h.
11329 * scan.c (hashstr): New function.
11330 * scan.h: Prototype it.
11331 * fix-header.c: Don't include cpphash.h. Use hashstr.
11332 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11333 hashstr. Report hash table statistics. Add private
11334 definition of xrealloc.
11336 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11338 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11340 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11342 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11343 jumps with returns unless they are jumps to the fallthru block.
11345 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11347 * i386.md (addqi3_cc): Fix contraints.
11349 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11351 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11353 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11355 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11356 carriage return after a macro name.
11358 2000-02-07 Fred Fish <fnf@be.com>
11360 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11361 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11363 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11365 * cppfiles.c (deps_output): Count spacers in deps_column.
11367 2000-02-07 Neil Booth <NeilB@earthling.net>
11369 * cppinit.c (initialize_dependency_output): If there is no
11370 suffix, don't try to look for known suffixes. Use strrchr.
11371 (cpp_start_read): Remove duplicate initialization.
11373 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11375 * calls.c (compute_argument_block_size): New argument
11376 preferred_stack_boundary.
11377 (expand_call): update cfun->preferred_stack_boundary, update call of
11378 compute_argument_block_size
11379 (emit_library_call): Increate cfun->preferred_stack_boundary
11380 to PREFERRED_STACK_BOUNDARY
11381 (emit_library_call_value): Likewise.
11382 * explow.c (allocate_dynamic_stack_spave): Likewise.
11383 * function.c (prepare_function_start): Set
11384 cfun->preferred_stack_boundary
11385 * function.h (struct function): Add preferred_stack_boundary field.
11386 * integrate.c (expand_inline_function): Update
11387 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11388 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11389 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11391 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11393 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11394 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11395 cpp_pedwarn, cpp_pedwarn_with_line,
11396 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11397 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11398 v_cpp_error_with_line, v_cpp_warning_with_line,
11399 cpp_message_from_errno, cpp_perror_with_name): Delete.
11401 * cpperror.c (cpp_print_containing_files): Take starting
11402 buffer as argument.
11403 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11404 (v_cpp_message): Now called directly by all entry points.
11406 (cpp_pfatal_with_name, cpp_message): Delete.
11407 (cpp_notice_from_errno, cpp_ice): New functions.
11408 (cpp_notice): Is now for reporting error conditions, just
11409 without an associated file.
11410 (cpp_error, cpp_error_with_line): Don't do anything if
11411 opts->inhibit_errors is on.
11412 (cpp_pedwarn_with_file_and_line): Take column argument also.
11414 * cpplib.h: Update prototypes of exported functions.
11415 (struct cpp_options): Add inhibit_errors.
11417 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11418 non-error messages. Include intl.h.
11420 * cppinit.c, cppmain.c: Likewise. Also, use
11421 cpp_notice_from_errno instead of cpp_perror_with_name or
11422 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11424 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11425 report internal errors.
11427 * cpplib.c (do_define): Switch bcopy to memcpy.
11428 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11430 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11431 bail out early if we hit a line comment.
11433 2000-02-06 Richard Henderson <rth@cygnus.com>
11435 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11436 * basic-block.h: Declare them.
11437 * emit-rtl.h (active_insn_p): New.
11438 (next_active_insn, prev_active_insn): Use it.
11439 * rtl.h: Declare it.
11440 * function.c (emit_return_into_block): New.
11441 (thread_prologue_and_epilogue_insns): Insert return insns instead
11442 of epilogues when possible.
11443 * jump.c (jump_optimize_1): Remove code to insert a return insn
11444 on the fallthru to the exit block.
11446 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11447 and for non-empty stack frames.
11448 * i386.md (return): Expand to return-pop as needed.
11450 2000-02-06 Richard Henderson <rth@cygnus.com>
11452 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11453 constant to op1 for testing.
11455 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11457 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11458 (fixuns_truncqfqi2): Use it.
11460 2000-02-06 Richard Henderson <rth@cygnus.com>
11462 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11463 as a TYPE_LEA insn.
11465 * i386.md (widening and peepholes): Mask the constant instead of
11468 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11470 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11471 input pointer before possibly branching off to the backslash
11473 * cpphash.c (macroexpand): Correctly delete \r escapes when
11474 stringifying parameters.
11475 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11476 if we can; bail out early if we hit a line comment.
11477 (handle_directive): Treat '# 123' in an .S file just like
11478 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11479 Return 1 for '# not_a_directive'.
11480 (get_directive_token): Pop macro buffers here, so that
11481 cpp_get_token can't sneakily move past a newline.
11483 (cpp_get_token): goto randomchar if handle_directive returns 0.
11485 * cppalloc.c: Update copyright.
11486 * cpplib.c: Merge all the static function prototypes into one
11488 * cpplib.h: Remove #if 0 block.
11490 * cpperror.c: Remove #ifdef EMACS block.
11491 * cppmain.c: Likewise.
11492 * cpphash.c: Remove #if 0 blocks.
11493 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11494 * cpplib.c: Remove #if 0 blocks and code referencing
11495 pcp_inside_if or for_lint. Remove duplicate error message.
11496 Fix error messages for #else after #else or #elif. Reformat.
11497 Remove archaic TODO list.
11498 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11500 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11502 * i386/osf1elf.h: Add missing backslash to multiline string.
11504 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11506 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11508 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11510 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11512 * c-common.c: Include expr.h.
11514 * c-pragma.c (mark_align_stack): Add prototype.
11516 * caller-save.c (add_stored_regs): Likewise.
11518 * combine.c (record_promoted_value): Likewise.
11520 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11523 * cppinit.c (new_pending_define): Likewise.
11525 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11527 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11528 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11529 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11530 class_scope_p): Likewise.
11532 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11533 dwarf2out_add_library_unit_info): Likewise.
11535 * ggc.h (ggc_page_print_statistics): Likewise.
11537 * haifa-sched.c (propagate_deps): Likewise.
11539 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11541 * rtl.h (set_stack_check_libfunc): Likewise.
11543 * toplev.h (set_fatal_function): Likewise.
11545 * toplev.c (set_fatal_function): Delete prototype.
11547 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11549 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11551 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11552 (FUNC_END): Likewise.
11554 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11556 * caller-save.c: Include tm_p.h.
11558 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11560 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11562 2000-02-04 Neil Booth <NeilB@earthling.net>
11564 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11567 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11569 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11570 * genflags.c: Use the max_operand_1 logic from genemit.c to
11571 calculate how many arguments gen_insn prototypes have. Remove
11572 NO_MD_PROTOTYPES ifdefs from the generated file.
11573 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11574 file. Cast gen_insn initializers to insn_gen_fn.
11575 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11576 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11578 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11580 * fixinc/Makefile.in (HDR): Add machname.h.
11583 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11585 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11586 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11587 (c4x_cpu_version): Ditto.
11588 * config/c4x/c4x-protos.h: ... here.
11590 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11592 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11593 gen_abstract_function on our context if we're a nested function.
11595 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11597 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11598 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11600 2000-02-04 Bruce Korb <bkorb@gnu.org>
11602 * fixinc/genfixes(machname.h):
11603 Move the functionality from gen-machine.h into this file.
11604 UNdef MN_NAME_PAT if there are no names to change.
11605 Also, be a little kinder when AutoGen is not present.
11607 * fixinc/Makefile.in(machname.h):
11608 Change the generation rule to use genfixes.
11610 * fixinc/fixfixes.c(machine_name):
11611 machine_name_fix's functionality now dependent upon whether
11612 MN_NAME_PAT is defined.
11614 * fixinc/fixtests.c(machine_name):
11617 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11620 * fixinc/fixlib.h(mn_get_regexps):
11623 * fixinc/gen-machine.h: DELETED
11625 2000-02-04 Jan Hubicka <jh@suse.cz>
11626 Richard Henderson <rth@cygnus.com>
11628 * i386.c (SAVE_REGS_FIRST): Remove.
11629 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11630 (ix86_compute_frame_size): Likewise.
11631 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11632 (ix86_emit_restore_regs): Remove.
11633 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11634 when a frame pointer is in use.
11635 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11636 instead of pop to restore a register when profitable; emit leave
11638 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11639 as a TYPE_LEA insn.
11640 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11641 * i386.md (prologue_allocate_stack): Remove.
11642 (epilogue_deallocate_stack): Remove.
11643 (pro_epilogue_adjust_stack): New.
11645 2000-02-04 Richard Henderson <rth@cygnus.com>
11647 * function.c (diddle_return_value): Rework to use a callback function.
11648 Use current_function_return_rtx if it's been set up.
11649 (do_clobber_return_reg, clobber_return_register): New.
11650 (do_use_return_reg, use_return_register): New.
11651 (expand_function_end): Use them.
11652 * stmt.c (expand_null_return): Likewise.
11653 * function.h: Declare them.
11654 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11655 (mark_reg): Change arguments as appropriate for callback.
11656 * integrate.c (expand_inline_function): Revert 19 Jan change.
11658 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11660 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11661 (Misc): Say the scheduler, not the Haifa scheduler.
11663 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11665 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11666 when in_mem is set. Update all callers.
11668 2000-02-04 Richard Henderson <rth@cygnus.com>
11670 * i386/openbsd.h (INT_ASM_OP): Define.
11672 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11674 * tm.texi: Fix various typos.
11676 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11678 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11679 (MD_STARTFILE_PREFIX_1): New macro.
11681 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11683 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11684 destination when needed.
11685 (strmovsi, strsetsi): New expander.
11686 (strmovsi_1, strsetsi_1): New pattern.
11687 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11688 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11689 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11690 * invoke.texi (align-stringops, inline-all-stringops): Document.
11692 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11694 * i386/netbsd.h (INT_ASM_OP): Define.
11696 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11698 * cpplib.h (cpp_reader): Add new flag, no_directives.
11699 * cpphash.c (macarg): Set it.
11700 * cpplib.c (handle_directive): If no_directives is on and we
11701 find a directive, issue an error and discard the line.
11703 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11705 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11706 FP constants. Add ! TARGET_FPU check for FP constants.
11708 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11710 * flow.c (find_basic_blocks): Don't kill label_value_list
11712 (cleanup_cfg): Kill it here.
11714 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11716 * expr.c (store_field): Ensure ALIGN is no stricter than the
11719 2000-02-02 Richard Henderson <rth@cygnus.com>
11721 * jump.c (delete_insn): Partially revert 19 Jan change;
11722 don't convert unused code labels to notes at -O0.
11724 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11726 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11727 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11729 2000-02-01 Richard Henderson <rth@cygnus.com>
11731 * i386.c (general_no_elim_operand): New.
11732 (nonmemory_no_elim_operand): New.
11733 (ix86_expand_move): Copy eliminable operands before a push.
11734 * i386-protos.h: Declare new functions.
11735 * i386.h (CAN_ELIMINATE): Simplify.
11736 (PREDICATE_CODES): Update.
11737 * i386.md (push insns): Don't allow eliminable register operands.
11739 2000-02-01 Richard Henderson <rth@cygnus.com>
11741 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11742 replace BLKmode with DECL_RTL's mode.
11744 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11746 * frame.c (find_fde): Convert for loop to do-while so compiler
11747 sees it's always executed at least once.
11748 * libgcc2.c (BBINBUFSIZE): Kill.
11749 (__bb_init_prg): Use fgets.
11750 (__bb_exit_trace_func): Don't paste strings.
11751 * unroll.c (unroll_loop): Initialize unroll_type, not
11752 unroll_number, and tweak logic to match.
11754 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11756 (ix86_flags_dependant): Likewise. Disentangle control flow.
11757 (ix86_sched_reorder): Break guts out to
11758 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11759 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11762 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11763 use string concatenation. Don't save and restore esi.
11765 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11766 (machname.h): Remove script to separate file. Use two-step
11767 sequence so target is not created if script fails.
11768 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11769 identifiers are defined.
11770 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11771 an empty string, machine_name doesn't need to do anything at
11773 (is_cxx_header): Add more cases to regexp.
11774 * fixinc/fixlib.h: Update prototype.
11775 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11777 * fixinc/fixincl.c: Define NO_BOGOSITY.
11779 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11780 (hp_sysfile): Add missing comma.
11781 (math_exception): Put the wrapper ifdefs at the beginning and
11782 the end of the file.
11783 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11785 2000-02-01 Richard Henderson <rth@cygnus.com>
11787 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11788 Use CONST0_RTX. Update all callers.
11789 * sparc.h, sparc-protos.h: Update accordingly.
11790 * sparc.md (fp mov insns): Use fp_zero_operand directly
11793 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11795 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11798 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11800 * Makefile.in (specs.ready): New target.
11801 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11803 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11805 * fixinc.irix: Use unique filenames for writing into /tmp,
11806 * fixinc.ptx: Likewise.
11807 * fixinc.sco: Likewise.
11808 * fixinc.svr4: Likewise.
11809 * fixinc.winnt: Likewise.
11811 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11813 * tsystem.h: New file.
11815 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11816 s-crtS): Depend on tsystem.h.
11818 * crtstuff.c: Include tsystem.h.
11819 * frame.c: Likewise.
11820 * libgcc2.c: Likewise.
11822 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11824 * builtins.c (expand_builtin_memset): Expand for variable sized
11827 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11829 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11832 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11834 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11836 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11838 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11840 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11841 case 3->2 combining (combining with splitting) in which 2 is CC0
11842 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11843 checked at the begining of the function with the aid of calling
11844 function 'can_combine_p'.
11846 2000-01-31 Dave Brolley <brolley@redhat.com>
11848 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11850 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11852 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11855 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11857 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11859 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11862 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11864 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11865 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11866 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11867 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11868 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11869 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11870 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11871 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11872 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11873 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11875 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11876 Add %(cpp_cpu) to CPP_SPEC.
11878 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11879 Add %(cc1_cpu) to CC1_SPEC.
11881 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11883 * c-decl.c (c_decode_option): Accept optional numeric argument to
11884 -Wformat and set warn_format.
11885 * c-common.c: Don't emit warning about non-constant printf format
11886 string unless warn_format > 1.
11888 2000-01-30 Richard Henderson <rth@cygnus.com>
11890 * alpha.md (return_internal): Allow after reload only.
11892 2000-01-30 Richard Henderson <rth@cygnus.com>
11894 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11895 local frame size is zero.
11897 2000-01-30 Richard Henderson <rth@cygnus.com>
11899 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11900 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11901 * alpha.md (return): Turn into an expander.
11902 (return_internal): Don't use $26.
11903 (epilogue): Emit the return insn.
11905 2000-01-30 Richard Henderson <rth@cygnus.com>
11907 * alpha.md (negtf2, abstf2): Fix word order thinko.
11908 (extendsftf2): New.
11909 (trunctfsf2): Avoid intermediate rounding errors.
11911 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11913 * cppfiles.c (find_position): Drop 'colp' argument, return the
11915 (read_and_prescan): Adjust to match. Don't ever manipulate
11916 line or line_base except via find_position.
11918 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11920 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11921 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11924 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11926 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11927 just print "<command line>". If 'filename' is null or an
11928 empty string, print "<stdin>" for the filename.
11929 * cpplib.c (do_define): Don't print the 'location of the
11930 previous definition' message if we're still parsing the
11932 (cpp_pedwarn_with_file_and_line): Always call
11933 cpp_file_line_for_message.
11935 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11937 * flow.c (mark_regs_live_at_end): Fix typo.
11939 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11941 * c-common.c: Adjust variable names, comments, help strings to c99.
11942 * c-lex.c: Likewise.
11943 * c-parse.y: Likewise.
11944 * c-tree.h: Likewise.
11945 * cccp.c: Likewise.
11946 * cpplib.h: Likewise.
11947 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11948 * cppinit.c: Likewise.
11950 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11952 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11953 * c4x.c: Define the optab rtx values.
11954 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11955 (c4x_emit_libcall): Use new optab rtx values.
11956 (c4x_emit_libcall3): Likewise.
11957 (c4x_emit_libcall_mulhi): Likewise.
11958 * c4x-protos.h: Add prototypes for optab rtx values and change
11959 prototypes for above c4x_emit_libcall functions.
11961 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11963 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11965 (c4x_function_prologue): Use regnames intead of float_reg_names when
11967 (c4x_function_epilogue): Likewise.
11968 (c4x_print_operand): Likewise.
11969 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11970 * c4x.md (set_high): Disable for TARGET_TI.
11972 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11974 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11975 of framepointer + constant to ADDR_REGS class.
11976 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11977 * c4x.c (std_or_reg_operand): New function.
11978 * c4x-protos.h (std_or_reg_operand): Prototype it.
11980 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11982 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11983 object names as libgcc2.c.
11984 * libgcc.S: Use newly defined names.
11986 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11987 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11989 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11990 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11991 (FLOW_LOOP_LAST_BLOCK): Likewise.
11993 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11995 * basic-block.h (struct loop): New fields 'first' and 'last'.
11996 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11997 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11998 and loop->last to check for NOTE_INSN_LOOP_END.
12000 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12002 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12003 of the loop descriptor rather than HEADER and LATCH. Also added
12004 missing break statements as well making some coding style modifications
12005 as suggested by Michael Hayes.
12007 2000-01-28 Richard Henderson <rth@cygnus.com>
12009 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12010 Break out that code ...
12011 (cleanup_cfg): ... here.
12012 (commit_one_edge_insertion): Detect a return instruction being
12013 emitted to an edge. Emit a barrier following; clear fallthru.
12014 (commit_edge_insertions): Verify CFG consistency.
12015 * function.c (expand_function_start): Kill unused variable.
12016 (expand_function_end): Likewise.
12017 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12018 to insert the epilogue.
12020 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12021 (delete_null_pointer_checks): Likewise.
12022 * output.h: Likewise.
12023 * reg-stack.c (reg_to_stack): Likewise.
12024 * toplev.c (rest_of_compilation): Likewise. Run
12025 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12027 2000-01-28 Richard Henderson <rth@cygnus.com>
12029 * Makefile.in (flow.o): Revert 24 Jan change.
12030 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12031 FUNCTION_VALUE result to DECL_RESULT's mode.
12033 * haifa-sched.c (schedule_insns): Don't recompute reg info
12036 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12038 * configure.in: Make --enable-cpplib the default.
12039 * configure: Regenerate.
12040 * gcc.dg/990119-1.c: No longer expected to fail.
12042 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12044 * jump.c (jump_optimize_1): Delete an optimization that is also done
12045 by merge_blocks in flow.
12047 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12049 * diagnostic.c (build_message_string, output_printf,
12050 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12051 (build_location_prefix): Fix non-literal format string.
12053 2000-01-27 Richard Henderson <rth@cygnus.com>
12055 * alpha.md (trunctfsf2): New.
12057 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12059 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12061 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12063 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12065 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12067 (skip_comment) ... here. Permit C++ comments in system
12068 headers always. Warn about C++ comments in user code under
12069 -std=gnu89 -pedantic.
12070 (copy_comment): Use skip_comment.
12071 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12073 (consider_directive_while_skipping, do_else, do_endif): Call
12074 validate_else unconditionally.
12075 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12076 text after the conditional in a system header.
12077 * cpplib.h (struct cpp_buffer): Add flag
12078 warned_cplusplus_comments.
12080 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12082 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12083 Use unshare_all_rtl_1.
12084 (unshare_all_rtl_again): New function.
12085 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12087 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12088 rather than resetting the 'used' flags ourself.
12090 * toplev.c (rest_of_compilation): Add current_function_decl
12091 to the unshare_all_rtl call.
12092 * tree.h: Prototype unshare_all_rtl.
12093 * rtl.h: Prototype unshare_all_rtl_again here.
12095 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12097 * genoutput.c (output_prologue): Include ggc.h in generated
12099 * Makefile.in (insn-output.o): Depends on ggc.h.
12101 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12102 Hans-Peter Nilsson <hp@bitrange.com>
12104 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12105 Remove redundant include of xm-ns32k.h.
12106 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12107 Remove redundant include of xm-ns32k.h.
12108 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12109 Remove redundant include of xm-ns32k.h.
12110 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12112 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12113 (TARGET_SWITCHES): Add documentation strings.
12114 (DWARF_FRAME_REGNUM): Override default definition.
12115 (REG_CLASS_CONTENTS): Add comments.
12116 (SUBSET_P): Format to reduce line length.
12117 (SMALL_REGISTER_CLASSES): Make a run time option.
12118 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12119 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12120 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12121 (regclass_map): fix typo in comment.
12122 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12123 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12124 (trace, reg_or_mem_operand): Delete, unused function.
12125 (calc_address_cost): Small offsets are cheaper than large ones.
12126 (expand_block_move): Generate more efficient code when bytes is a
12127 known at compile time.
12128 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12129 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12130 instead of reg_or_mem_operand.
12132 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12133 not general_operand. Similarly use "=rm" or stricter, not "=g".
12134 For input operands, use stricter constraints than "g" if not
12135 general_operand. Similarly use stricter predicate than
12136 "general_operand" when stricter constraints than "g" are present,
12137 except for matching constraints.
12138 (movstrsi): Use "memory_operand" for operands 0 and 1.
12139 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12140 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12141 not reg_or_mem_operand.
12142 (udivmoddisi4): Ditto.
12143 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12144 Use nonimmediate_operand for operand 3, not register_operand.
12145 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12146 reg_or_mem_operand.
12148 2000-01-27 Fred Fish <fnf@be.com>
12150 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12151 * gthr-single.h: Likewise.
12152 * gthr-solaris.h: Likewise.
12153 * gthr-vxworks.h: Likewise.
12154 * gthr-win32.h: Likewise.
12155 * gthr.h: Likewise.
12157 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12159 * cppinit.c: Add " (cpplib)" to end of string printed by
12162 2000-01-27 Richard Henderson <rth@cygnus.com>
12164 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12165 testing for a signed comparison.
12166 (alpha_emit_floatuns): New.
12167 * alpha-protos.h: Declare it.
12168 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12169 (extendsfdf2): Tidy.
12171 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12173 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12174 no -g option specifying debugging format, default to -gstabs+.
12176 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12178 * calls.c (special_function_p): New argument fork_or_exec.
12179 (expand_call): When profile_arc_flag is set and the function
12180 is in the fork_or_exec group, call __bb_fork_func first.
12181 * libgcc2.c, _bb module (__bb_fork_func): New function.
12182 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12184 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12185 * tree.h (special_function_p): Update prototype.
12187 2000-01-26 Richard Henderson <rth@cygnus.com>
12189 * alpha.c (alpha_split_tfmode_pair): New.
12190 * alpha-protos.h: Declare it.
12191 * alpha.md (abstf2, negtf2): New.
12192 (movtf insn): Add input G constraint.
12193 (movtf splitter): Use alpha_split_tfmode_pair.
12195 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12197 * i386/cygwin.h: PROTO -> PARAMS.
12199 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12201 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12202 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12203 using _Qp_cmp/_Q_cmp and testing the return value.
12204 (print_operand): Call reverse_condition_maybe_unordered if
12205 we are handling CCFPmode or CCFPEmode.
12206 Handle ORDERED, UN* and LTGT comparisons.
12207 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12208 if not TARGET_HARD_QUAD.
12209 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12210 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12211 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12212 Adjust gen_b* calls so that they reflect return comparison of
12213 sparc_emit_float_lib_cmp.
12215 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12217 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12218 incoming operands array is large enough for one more operand.
12219 (alpha_emit_xfloating_arith): Likewise.
12221 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12223 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12224 file with one line and no trailing newline.
12225 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12226 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12227 checking if the match is on the line.
12228 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12230 2000-01-25 Richard Henderson <rth@cygnus.com>
12232 * sparc.c (output_cbranch): Fix accidental squashing of the
12233 fp branch pre-delay nop.
12235 2000-01-25 Richard Henderson <rth@cygnus.com>
12237 * tree.def (UNNE_EXPR): Remove.
12238 * c-typeck.c (build_binary_op): Don't handle it.
12239 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12241 * rtl.def (UNNE): Remove.
12243 * jump.c (reverse_condition): Update accordingly.
12244 (swap_condition): Likewise.
12245 (comparison_dominates_p): Handle unordered comparisons.
12246 (reverse_condition_maybe_unordered): New.
12247 * rtl.h (reverse_condition_maybe_unordered): Declare.
12249 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12250 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12251 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12252 * sparc.md (bltgt): New.
12254 2000-01-25 Nick Clifton <nickc@redhat.com>
12256 * emit-rtl.c (emit_insn): Only check machine class insns for
12257 improper emission of a RETURN.
12259 2000-01-25 Richard Henderson <rth@cygnus.com>
12261 * Makefile.in (flow.o): Depend on $(EXPR_H).
12262 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12263 duplicate the structure of diddle_return_value for keeping regs live.
12265 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12267 * loop.c (current_loop_info): Delete.
12268 (consec_sets_invariant_p): Add loop argument, update callers.
12269 (get_condition_for_loop): Likewise.
12270 (count_nonfixed_reads, update_giv_derive): Likewise.
12271 (simplify_giv_expr, general_induction_var): Likewise.
12272 (consec_sets_giv, recombine_givs): Likewise.
12273 (move_movables): Delete loop_start and loop_end arguments,
12274 add loop argument, and update callers.
12275 (find_mem_givs, check_final_value): Likewise.
12276 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12277 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12279 (basic_induction_var): Add loop argument, delete loop_level argument,
12280 and update callers.
12281 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12282 add loop argument, and update callers.
12283 (find_splittable_regs, find_splittable_givs): Likewise.
12284 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12285 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12286 (biv_total_increment): Delete loop_start and loop_end arguments;
12288 (precondition_loop_p): Delete loop_start and loop_info arguments;
12290 * loop.h (get_condition_for_loop): Add loop argument.
12291 (biv_total_increment): Delete loop_start and loop_end arguments.
12292 (precondition_loop_p): Delete loop_start and loop_info arguments;
12294 (final_biv_value): Delete loop_start and loop_end arguments;
12296 (final_giv_value, back_branch_in_range_p): Likewise.
12298 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12300 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12302 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12304 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12305 point to the new "generated_files" doc.
12307 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12309 * config/fp-bit.c (_unord_f2): Fix typo.
12311 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12313 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12314 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12315 functions obsoleted by GC, such as push_obstacks_nochange,
12316 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12317 and code which existed only to decide whether or not to call
12318 them. Remove now-unused NESTED argument from start_function;
12319 all callers changed. Do not change behavior based on ggc_p.
12320 The use of the ixp_obstack in c-iterate.c and the util_obstack
12321 in objc/objc-act.c remain; these are not obsoleted by garbage
12323 * c-tree.h: Update prototype for start_function.
12325 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12327 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12329 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12332 2000-01-25 Richard Henderson <rth@cygnus.com>
12334 * sparc-protos.h (select_cc_mode): Declare.
12335 * sparc.c (select_cc_mode): New. Handle unordered compares.
12336 (output_cbranch): Always reverse via code change. Handle
12337 unordered compares. Factor tests and string updates.
12338 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12339 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12340 * sparc.md (bunordered, bordered): New.
12341 (bungt, bunlt, buneq, bunge, bunle): New.
12343 2000-01-25 Richard Henderson <rth@cygnus.com>
12345 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12346 * ggc-common.c (ggc_add_rtx_varray_root): New.
12347 (ggc_mark_rtx_varray): New.
12348 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12349 functions down below ggc_mark_foo.
12350 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12352 2000-01-25 Richard Henderson <rth@cygnus.com>
12354 * alpha.c (secondary_reload_class): Don't allocate a secondary
12355 for integral mode memories into FLOAT_REGS. Rearrange the more
12356 complicated memory expression inward.
12358 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12360 * inclhack.def: Fixes to play nicer with FreeBSD, and
12361 corrections to comments.
12362 (cxx_unready): Add select expression.
12363 (irix_sockaddr): Add bypass expression.
12364 (machine_ansi_h_va_list): New fix.
12365 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12366 Split out addition of "#include <stdarg.h>" to...
12367 (stdio_stdarg_h): ... here.
12368 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12369 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12370 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12372 (ultrix_ifdef): Tighten up select expression.
12374 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12375 re_ct and max_mach to avoid use of shell. Make printed names
12376 match names in inclhack.def. Use static copyright date.
12377 Don't count c_test and test expressions as requiring regex_t
12378 slots. Add some commentary.
12379 * inclhack.tpl: Do not include the 'This script contains N
12380 fixup scripts' line if PROGRAM is defined. Use static
12383 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12385 * dwarf2out.c: include "varray.h", not dyn-string.h.
12386 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12387 (addr_const_to_string, addr_to_string): Lose.
12388 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12389 (struct dw_val_struct): val_addr is now an rtx.
12390 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12391 (used_rtx_varray): New varray.
12392 (dwarf2out_init): Initialize it.
12393 (save_rtx): New fn.
12394 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12396 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12397 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12398 * Makefile.in (dwarf2out.o): Update dependencies.
12400 2000-01-24 Richard Henderson <rth@cygnus.com>
12402 * i386.c (i386_dwarf_output_addr_const): New.
12403 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12405 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12407 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12408 * i386.c (i386_simplify_dwarf_addr): New.
12409 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12411 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12413 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12414 TYPE_STUB_DECL is NULL.
12416 2000-01-24 Richard Henderson <rth@cygnus.com>
12418 * builtins.c (expand_tree_builtin): Move ...
12419 * c-common.c (expand_tree_builtin): ... here.
12421 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12423 * loop.h (LOOP_INFO): New accessor macro.
12424 * basic-block.h (struct loop): Rename field `info' to `aux'.
12425 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12426 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12427 * unroll.c (loop_iterations, unroll_loop): Likewise.
12429 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12431 * config/i386/t-cygwin: Accomodate new winsup directory layout
12432 when searching for include files.
12434 2000-01-24 Richard Henderson <rth@cygnus.com>
12436 * rtl.def: Add unordered fp comparisions.
12437 * tree.def: Likewise.
12438 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12440 * builtins.c (expand_tree_builtin): New function.
12441 * c-typeck.c (build_function_call): Use it.
12442 (build_binary_op): Support unordered compares.
12443 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12445 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12446 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12447 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12448 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12449 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12451 (swap_condition): Handle unordered compares.
12452 (thread_jumps): Check can_reverse before reversing.
12453 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12456 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12457 setcc is present before acking for cmp_optab. Update all callers.
12458 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12459 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12460 * expr.c (expand_expr): Likewise. Support unordered compares.
12461 (do_jump, do_store_flag): Likewise.
12462 * expr.h (enum libfunc_index): Add unordered compares.
12464 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12465 (DPBIT_FUNCS): Add _unord_df.
12466 * config/fp-bit.c (_unord_f2): New.
12467 * fp-test.c (main): Try unordered compare builtins.
12469 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12470 * alpha.c (alpha_comparison_operator): Check mode properly.
12471 (alpha_swapped_comparison_operator): Likewise.
12472 (signed_comparison_operator): Likewise.
12473 (alpha_fp_comparison_operator): New.
12474 (alpha_emit_conditional_branch): Handle unordered compares.
12475 * alpha.h (PREDICATE_CODES): Update.
12476 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12477 (bunordered, bordered): New.
12479 2000-01-24 Richard Henderson <rth@cygnus.com>
12481 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12482 * alpha.md (movtf): New expander, insn, and splitter.
12484 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12486 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12489 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12491 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12492 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12493 REG_ALLOC_ORDER): Add frame pointer
12494 (FRAME_POINTER_REGNUM): Set to 20
12495 (HARD_FRAME_POINTER_REGNUM): New macro.
12496 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12497 to HARD_FRAME_POINTER.
12498 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12499 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12500 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12501 (HI_REGISTER_NAMES): Add "frame".
12502 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12503 (debug_reg): Handle FRAME_POINTER_REGNUM.
12504 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12505 GENERAL_REGS and INDEX_REGS.
12506 * i386.c (SAVED_REGS_FIRST): new macro.
12507 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12508 (ix86_decompose_address, memory_address_length): Likewise.
12509 (regclass_map): Add frame pointer.
12510 (call_insn_operand): Handle frame_pointer_rtx.
12511 (reg_no_sp_operand): Likewise.
12512 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12513 (print_operand, legitimize_pic_address): Fix formating.
12514 (ix86_compute_frame_size): Make static, update prototype, new
12515 parameters padding1, padding2, use ix86_nsaved_regs, use
12516 stack_alignment_needed.
12517 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12518 to HARD_FRAME_POINTER_REGNUM conversions.
12519 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12520 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12521 (print_reg): Abort on FRAME_POINTER_REGNUM
12523 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12525 * i386.h (PREDICATE_CODES): Add aligned_operand.
12526 * i386.c (aligned_operand): New function.
12527 (ix86_aligned_p): Kill.
12528 * i386.md (movhi_1): Emit mov for aligned operands.
12529 (promoting peep2s): Use aligned_operand.
12531 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12533 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12534 expression to allow underscores in macro names.
12535 (fix_char_macro_defines): Increment scanning pointer.
12537 2000-01-23 Richard Henderson <rth@cygnus.com>
12539 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12540 * alpha/osf5.h: New file.
12541 * configure.in (alpha-*-osf5): Add it to tm_file.
12543 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12545 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12546 (alpha_emit_xfloating_cvt, function_arg): Declare.
12547 * alpha.c (alpha_emit_conditional_branch): Call
12548 alpha_emit_xfloating_compare for TFmode compares.
12549 (alpha_lookup_xfloating_lib_func): New.
12550 (alpha_compute_xfloating_mode_arg): New.
12551 (alpha_emit_xfloating_libcall): New.
12552 (alpha_emit_xfloating_arith): New.
12553 (alpha_emit_xfloating_compare): New.
12554 (alpha_emit_xfloating_cvt): New.
12555 (print_operand): Add default abort case.
12556 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12557 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12558 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12559 (RETURN_IN_MEMORY): True for TF/TCmode.
12560 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12561 (FUNCTION_ARG): Move to function_arg.
12562 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12563 (ASM_OUTPUT_LONG_DOUBLE): New.
12564 (ASM_OUTPUT_DOUBLE): Always output bits.
12565 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12566 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12567 (extenddftf2, trunctfdf2): New.
12569 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12571 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12572 * config/sparc/sol2.h: ... here.
12574 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12576 * basic-block.h (struct loops): New field `levels'.
12577 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12578 (flow_loop_level_compute): Initialise level to 1.
12579 (flow_loops_find): Set loops->levels.
12580 (flow_loops_dump): Print loops->levels.
12582 2000-01-23 Richard Henderson <rth@cygnus.com>
12584 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12585 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12587 2000-01-23 Richard Henderson <rth@cygnus.com>
12589 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12590 * i386.h (DBX_REGISTER_NUMBER): Use them.
12591 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12592 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12593 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12594 * i386/sequent.h: Kill incorrect comment.
12596 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12598 * ggc-page.c (struct page_entry): Make `context_depth' an
12600 (struct globals): Likewise.
12602 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12604 * loop.c (check_dbra_loop): When checking a loop for
12605 reversability, check the source of any stores to ensure
12606 they don't depend on an initial value.
12608 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12610 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12612 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12614 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12615 'pz_scan' into scope of entire function. Only affects
12616 compiles with -DDEBUG.
12618 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12620 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12621 section naming to that prior to 2000-01-07 patch.
12622 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12623 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12624 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12625 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12626 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12628 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12630 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12633 2000-01-21 Jim Wilson <wilson@cygnus.com>
12635 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12636 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12638 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12640 * cpphash.c (change_newlines): Delete function.
12641 (struct argdata): Delete 'newlines' and 'use_count' fields.
12642 (macroexpand): Remove code referencing those fields.
12644 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12646 * loop.c (loops_info): New variable.
12647 (loop_optimize): Allocate loops->array and free it on exit.
12648 Allocate memory for loops_info and assign to each loop,
12650 (find_and_verify_loops): Do not allocate loops->array.
12652 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12654 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12656 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12658 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12659 pseudos if expanded after first flow.
12660 (movdi_pic_label_ref): Likewise.
12662 2000-01-20 Richard Henderson <rth@cygnus.com>
12664 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12666 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12668 * Makefile.in (fixinc.sh): Depend on specs.
12669 * fixinc/Makefile.in: Add rule to create machname.h.
12670 (fixlib.o): Depend on machname.h.
12671 * fixinc/fixtests.c (machine_name): New test.
12672 * fixinc/fixfixes.c (machine_name): New fix.
12673 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12674 the machine_name test and fix.
12675 * fixinc/fixlib.h: Prototype it.
12676 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12677 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12679 * gcc.c (do_spec_1) [case P]: Take care not to create
12680 identifiers with three leading or trailing underscores.
12682 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12683 (fixincl): Don't specify libraries twice on link line.
12684 (gnu-regex.o): Remove special rule.
12685 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12686 defined by config.h. Do not define _REGEX_RE_COMP.
12687 (regcomp): Allocate and initialize a fastmap.
12688 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12690 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12692 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12694 2000-01-19 Richard Henderson <rth@cygnus.com>
12696 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12697 arguments with BB. Update all callers. Tidy line wrapping.
12699 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12701 * emit-rtl.c (try_split): Return last_insn if we split the
12704 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12706 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12707 (ix86_initial_elimination_offset): Declare.
12708 * i386.c (ix86_nsaved_regs): Break out from ...
12709 (ix86_can_use_return_insn_p): ... here.
12710 (ix86_emit_save_regs): Break out from ...
12711 (ix86_expand_prologue): ... here.
12712 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12714 (ix86_expand_epilogue): ... here.
12715 (ix86_compute_frame_size): Make static, add prototype.
12716 (ix86_initial_elimination_offset): Break out from ...
12717 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12719 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12721 * recog.h (OUT_FCN): Delete.
12723 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12725 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12727 * cppalloc.c: PROTO -> PARAMS.
12728 * cpperror.c: Likewise.
12729 * cppfiles.c: Likewise.
12730 * cpplib.c: Likewise.
12731 * cpplib.h: Likewise.
12733 * config/arm/arm-protos.h: PROTO -> PARAMS.
12734 * config/arm/arm.c: Likewise.
12735 * config/c4x/c4x.c: Likewise.
12736 * config/fr30/fr30-protos.h: Likewise.
12737 * config/nextstep.c: Likewise.
12738 * config/pa/pa.c: Likewise.
12739 * config/pj/pj.c: Likewise.
12740 * config/rs6000/rs6000.c: Likewise.
12741 * config/v850/v850-protos.h: Likewise.
12742 * config/v850/v850.c: Likewise.
12744 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12746 * i370-protos.h: New file.
12748 * i370.c: Include tm_p.h. Fix compile time warnings.
12750 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12753 * i370.md: Likewise.
12755 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12757 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12758 (target_isinf, target_isnan, eisnan): Mark parameter with
12760 (eiisinf): Wrap in INFINITY.
12761 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12762 (ibmtoe): Remove unused variable `rndsav'.
12764 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12766 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12767 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12769 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12771 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12772 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12773 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12775 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12776 Recognize Emacs mode markers also.
12777 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12778 C++ comments in C++ headers. Call is_cxx_header only if
12781 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12782 bypass for ncurses.
12783 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12784 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12785 ... these, which use the new C fixes.
12786 (math_exception): Escape literal '+' in bypass expression.
12788 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12791 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12793 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12796 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12798 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12799 prior to calling scan_loop.
12801 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12803 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12804 (split_branches, calc_live_regs): Likewise.
12806 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12808 * sh.md (fpu_single, fp_mode): New attributes.
12810 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12812 * loop.c (current_loop_info): Renamed from loop_info_data
12813 and changed to a pointer.
12814 (loop_optimize): Allocate loop_info structure for each loop
12815 and initialise to zero.
12816 (scan_loop): Set current_loop_info.
12818 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12821 2000-01-19 Richard Henderson <rth@cygnus.com>
12823 * stupid.c: Die die die.
12824 * Makefile.in (OBJS): Remove stupid.o.
12825 (stupid.o): Likewise.
12827 * except.c (emit_eh_context): Don't emit USEs for stupid.
12828 * explow.c (probe_stack_range): Likewise.
12829 * flags.h (obey_regdecls): Remove.
12830 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12831 when not optimizing.
12832 (life_analysis): Limit data collection when not optimizing.
12833 (mark_regs_live_at_end): Always mark the return value registers.
12834 (mark_used_regs): Remove dummy RETURN case.
12835 (print_rtl_with_bb): Don't consult obey_regdecls.
12836 * function.c (use_variable, use_variable_after): Remove.
12837 (assign_parms): Consult optimize not obey_regdecls.
12838 (expand_function_start): Don't emit USEs for stupid.
12839 (expand_function_end): Likewise.
12840 * global.c (build_insn_chain): Export.
12841 * integrate.c (expand_inline_function): Kill return-value USE
12843 * jump.c (jump_optimize_1): Do simple jump optimizations and
12844 dead code elimination.
12845 (calculate_can_reach_end): Remove check_deleted argument.
12846 (delete_insn): Patch out insns even when not optimizing.
12847 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12848 * rtl.h (use_variable, use_variable_after): Remove declarations.
12849 (build_insn_chain): Declare.
12850 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12851 (expand_end_bindings): Likewise.
12852 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12853 * toplev.c (obey_regdecls): Remove.
12854 (rest_of_compilation): Don't set it. Kill stupid in favour of
12855 flow1, local-alloc, and reload.
12856 (main): Don't set obey_regdecls.
12858 * config/nextstep.c (handle_pragma): Likewise.
12860 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12862 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12864 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * alpha-protos.h: PROTO -> PARAMS.
12867 * alpha.c: Likewise.
12869 * h8300.c: Likewise.
12870 * i386-protos.h: Likewise.
12871 * i386.c: Likewise.
12872 * m32r-protos.h: Likewise.
12873 * m32r.c: Likewise.
12874 * mips.c: Likewise.
12875 * mips.md: Likewise.
12876 * gmon-sol2.c: Likewise.
12877 * sparc.c: Likewise.
12879 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12881 * ns32k-protos.h: New file.
12883 * ns32k.c: Fix compile time warnings.
12885 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12888 * ns32k.md: Likewise.
12890 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12892 * vax-protos.h: New file.
12894 * vax.c: Fix compile time warnings.
12896 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12899 * vax.md: Likewise.
12901 * vaxv.md: Likewise.
12903 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12905 * romp-protos.h: New file.
12907 * romp.c: Fix compile time warnings.
12909 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12912 * romp.md: Likewise.
12914 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12916 * we32k-protos.h: New file.
12918 * we32k.c: Fix compile time warnings.
12920 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12923 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12925 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12927 * except.c (eh_regs): Likewise.
12929 * final.c (output_operand): Likewise.
12931 * fold-const.c (target_isinf, target_isnan): Likewise.
12933 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12935 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12936 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12938 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12939 when optimize_size.
12940 (clrstrsi): Rewrite.
12941 (strsethi, strsetqi): New expanders.
12942 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12943 (cmpstrsi): Emit compare insn before cmpstrsi_1
12944 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12945 (strlensi_1): Likewise.
12946 (cmpstrsi_1): Likewise; do not output compare.
12947 (strlen expander): Do not unroll when optimizing for size.
12948 (*subsi3_carry): Rename to subsi3_carry
12949 (addqi3_cc): New pattern.
12950 * i386.h (processor_costs): Add move_ratio field.
12951 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12952 * i386.c (*_cost): Set move_ratio.
12953 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12954 (x86_expand_strlensi_1): Rewrite the main loop.
12956 2000-01-17 Richard Henderson <rth@cygnus.com>
12958 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12959 * cse.c (find_comparison_args, fold_rtx): Likewise.
12960 * integrate.c (subst_constants): Likewise.
12961 * loop.c (get_condition): Likewise.
12963 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12965 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12967 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12969 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12970 (RESTORE_WARN_FLAGS): Unpack it.
12971 Change semantic type of extension to ttype.
12972 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12973 * c-parse.y, c-parse.c, objc/objc-parse.y,
12974 objc/objc-parse.c: Regenerate.
12976 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12978 * fixinc/fixlib.c: Add copyright notice.
12979 (compile_re): New function.
12980 * fixinc/fixlib.h: Prototype compile_re.
12982 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12983 Use compile_re to compile regular expressions.
12985 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12986 where the pattern matched.
12988 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12990 (ultrix_ansi_compat): Likewise.
12991 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12993 (interactv_add2, interactv_add3): Delete.
12994 (x11_sprintf): Don't use filename glob.
12995 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12998 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13000 * print-rtl.c: PROTO -> PARAMS.
13001 * real.c: Likewise.
13002 * reg-stack.c: Likewise.
13003 * resource.c: Likewise.
13004 * sdbout.h: Likewise.
13005 * simplify-rtx.c: Likewise.
13006 * stor-layout.c: Likewise.
13007 * stupid.c: Likewise.
13008 * xcoffout.c: Likewise.
13009 * xcoffout.h: Likewise.
13011 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13013 * toplev.c: PROTO -> PARAMS.
13014 * toplev.h: Likewise.
13015 * tree.c: Likewise.
13016 * tree.h: Likewise.
13017 * unroll.c: Likewise.
13018 * varasm.c: Likewise.
13019 * varray.c: Likewise.
13020 * varray.h: Likewise.
13022 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13024 * reload.c: PROTO -> PARAMS.
13025 * reload.h: Likewise.
13026 * reload1.c: Likewise.
13027 * reorg.c: Likewise.
13028 * resource.h: Likewise.
13031 * rtlanal.c: Likewise.
13032 * sbitmap.h: Likewise.
13033 * sdbout.c: Likewise.
13034 * stack.h: Likewise.
13035 * stmt.c: Likewise.
13036 * system.h: Likewise.
13038 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13040 * machmode.h: PROTO -> PARAMS.
13041 * mbchar.h: Likewise.
13042 * mips-tdump.c: Likewise.
13043 * mips-tfile.c: Likewise.
13044 * optabs.c: Likewise.
13045 * output.h: Likewise.
13046 * prefix.c: Likewise.
13047 * profile.c: Likewise.
13048 * protoize.c: Likewise.
13049 * real.h: Likewise.
13050 * recog.c: Likewise.
13051 * recog.h: Likewise.
13052 * regclass.c: Likewise.
13053 * regmove.c: Likewise.
13054 * regs.h: Likewise.
13056 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13058 * ggc-common.c: PROTO -> PARAMS.
13059 * ggc-page.c: Likewise.
13060 * ggc-simple.c: Likewise.
13062 * global.c: Likewise.
13063 * graph.c: Likewise.
13064 * gthr-win32.h: Likewise.
13065 * haifa-sched.c: Likewise.
13066 * halfpic.h: Likewise.
13067 * integrate.c: Likewise.
13068 * integrate.h: Likewise.
13069 * jump.c: Likewise.
13071 * local-alloc.c: Likewise.
13072 * loop.c: Likewise.
13073 * loop.h: Likewise.
13075 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13077 * genattr.c: PROTO -> PARAMS.
13078 * genattrtab.c: Likewise.
13079 * gencheck.c: Likewise.
13080 * gencodes.c: Likewise.
13081 * genconfig.c: Likewise.
13082 * genemit.c: Likewise.
13083 * genextract.c: Likewise.
13084 * genflags.c: Likewise.
13085 * gengenrtl.c: Likewise.
13086 * genopinit.c: Likewise.
13087 * genoutput.c: Likewise.
13088 * genpeep.c: Likewise.
13089 * genrecog.c: Likewise.
13091 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13093 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13095 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13097 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13098 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13099 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13100 * configure, config.in: Rebuilt.
13102 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13104 * config/i386/i386.md: Add peephole to merge successive stack
13107 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13109 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13110 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13111 when walking backwards to find all the parameter loads when
13112 the basic block ends in a call.
13114 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13116 * loop.c (this_loop_info): Delete.
13117 (uid_loop): Add in place of uid_loop_num. All uses updated.
13118 (loop_number_exit_count): Delete and replace with entry in loop
13119 structure. All uses updated.
13120 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13121 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13122 (loop_outer_loop): Likewise.
13123 (loop_invalid, loop_number_exit_labels): Likewise.
13124 (loop_used_count_register): Delete and replace with entry in
13125 loop_info structure.
13126 (find_and_verify_loops): Add loops argument.
13127 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13128 loop_end, etc. arguments with loop structure pointer. All callers
13130 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13131 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13132 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13133 (insert_bct): Likewise.
13134 (basic_induction_var): New argument level.
13135 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13136 vtop, and cont. Add used_count_register.
13137 (uid_loop): Delete declaration.
13138 (loop_number_exit_count): Likewise.
13139 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13140 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13141 (loop_outer_loop, loop_used_count_register): Likewise.
13142 (loop_invalid, loop_number_exit_labels): Likewise.
13143 (unroll_loop): Replace loop_start and loop_end arguments
13144 with loop structure pointer.
13145 (loop_precondition_p, loop_iterations): Likewise.
13146 Include basic-block.h.
13147 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13148 with loop structure pointer.
13149 (loop_precondition_p, loop_iterations): Likewise.
13150 * basic-block.h (struct loop): New entries vtop, cont,
13151 cont_dominator, start, end, top, scan_start, exit_labels,
13153 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13155 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13157 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13159 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13161 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13163 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13165 * pdp11-protos.h: New file.
13167 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13170 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13173 * pdp11.md: Likewise.
13175 * 2bsd.h: Likewise.
13177 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13179 * mn10300-protos.h: New file.
13181 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13184 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13187 * mn10300.md: Likewise.
13189 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13191 * mn10200-protos.h: New file.
13193 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13196 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13199 * mn10200.md: Likewise.
13201 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13203 * h8300-protos.h: New file.
13205 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13208 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13211 * h8300.md: Likewise.
13213 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13215 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13216 (asm_emit_uninitialised): Likewise.
13218 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13220 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13221 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13223 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13225 * config/mips/mips.c (override_options): Don't turn on extra
13226 alignment for mips16.
13228 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13230 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13231 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13234 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13236 * builtins.c (PAD_VARARGS_DOWN): Define.
13237 (std_expand_builtin_va_arg): Use the above macro.
13238 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13239 * tm.texi (Register Arguments): Document the above macro.
13241 2000-01-14 Nick Clifton <nickc@cygnus.com>
13243 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13244 that this function has not been used to emit a jump
13247 * jump.c (return_jump_1): Cope with being passed a null rtx.
13249 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13251 * eh-common.h: PROTO -> PARAMS.
13252 * emit-rtl.c: Likewise.
13253 * errors.c: Likewise.
13254 * errors.h: Likewise.
13255 * except.c: Likewise.
13256 * except.h: Likewise.
13257 * explow.c: Likewise.
13258 * expmed.c: Likewise.
13259 * expr.c: Likewise.
13260 * expr.h: Likewise.
13261 * final.c: Likewise.
13262 * fix-header.c: Likewise.
13263 * flow.c: Likewise.
13264 * fold-const.c: Likewise.
13265 * function.c: Likewise.
13266 * function.h: Likewise.
13268 * gcov-io.h: Likewise.
13269 * gcov.c: Likewise.
13270 * gcse.c: Likewise.
13272 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13274 * sh-protos.h: New file.
13276 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13277 Add static prototypes. Fix compile time warnings.
13279 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13283 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13285 * arc-protos.h: New file.
13287 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13290 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13293 * arc.md: Likewise.
13295 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13297 * dsp16xx-protos.h: New file.
13299 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13302 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13305 * dsp16xx.md: Likewise.
13307 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13309 * convex-protos.h: New file.
13311 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13314 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13317 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13319 * elxsi-protos.h: New file.
13321 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13324 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13327 * elxsi.md: Likewise.
13329 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13331 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13332 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13333 match the comment for MIPS16.
13335 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13337 * flow.c (split_edge): Do not call set_block_for_insn if we
13338 do not have a basic_block_for_insn structure.
13340 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13341 and destination functions are 32bit aligned within the trampoline.
13342 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13343 (TRAMPOLINE_ALIGNMENT): Define.
13345 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13346 (set (pc) (label_ref)), verify the change creates a valid insn.
13348 * fr30.c (call_operand): Tighten and rework to match rules for
13349 call RTL expressions.
13350 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13351 * fr30.md (call patterns): Improve constraints.
13353 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13355 * fr30.c (fr30_expand_epilogue): Revert last change.
13356 Use emit_jump_insn for the return insn.
13358 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13359 Stan Cox <scox@cygnus.com>
13361 * predict.c: New file. Preliminary infrastructure work for static
13362 branch prediction and basic block reordering.
13363 * basic-block.h: Add prototype for estimate_probability.
13364 * Makefile.in: Add rules for predict.o.
13366 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13368 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13369 * fixinc/*: Likewise.
13371 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13373 * cccp.c: PROTO -> PARAMS.
13374 * cexp.y: Likewise.
13375 * collect2.c: Likewise.
13376 * combine.c: Likewise.
13377 * convert.h: Likewise.
13379 * dbxout.c: Likewise.
13380 * dbxout.h: Likewise.
13381 * diagnostic.c: Likewise.
13382 * doprint.c: Likewise.
13383 * dwarf2out.c: Likewise.
13384 * dwarf2out.h: Likewise.
13385 * dwarfout.c: Likewise.
13386 * dwarfout.h: Likewise.
13387 * dyn-string.h: Likewise.
13389 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13391 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13392 macro conditionals guarding use.
13394 * dwarf2out.c: Include "tm_p.h".
13396 * function.c (locate_and_pad_parm): Mark parameter with
13398 (expand_function_end): Likewise for variable `context'.
13400 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13402 2000-01-13 Nick Clifton <nickc@cygnus.com>
13404 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13405 register to prevent compile time warnings.
13407 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13409 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13410 to avoid -Wtraditional warning.
13412 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13414 * 1750a-protos.h: New file.
13416 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13419 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13422 * 1750a.md: Likewise.
13424 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13426 * a29k-protos.h: New file.
13428 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13431 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13434 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13436 * clipper-protos.h: New file.
13438 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13441 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13444 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13446 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13448 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13450 * configure.in (--enable-new-gxx-abi): New option.
13451 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13452 * Makefile.in (GXX_ABI_FLAG): New variable.
13453 * configure: Regenerate.
13455 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13457 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13458 * tm.texi (FORCE_STRUCT_BLK): Document.
13459 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13461 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13463 * config/ns32k/ns32k.md: Revert Jan 9 change.
13465 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13466 to a mode-test, if the predicate is address_operand.
13468 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13470 * combine.c (if_then_else_cond): Be careful about what kinds
13471 of RTL expressions are passed to operand_subword.
13473 * flow.c (split_edge): If we have to insert a new jump, make
13474 sure to associate it with a basic block.
13476 * flow.c (commit_one_edge_insertion): A block with one successor
13477 can end in a JUMP_INSN that is not a simplejump.
13479 2000-01-12 Robert Lipe <robertl@sco.com>
13481 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13482 (BUILD_VA_LIST_TYPE): Define.
13483 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13486 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13488 * cccp.c (do_pragma): Add cast to (char *).
13490 2000-01-12 Richard Henderson <rth@cygnus.com>
13491 Fred Fish <fnf@be.com>
13492 Jason Merrill <jason@cygnus.com>
13494 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13495 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13496 * i386/beos-elf.h, i386/beos-pe.h: New files.
13498 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13499 * cross-make (SYSTEM_HEADER_DIR): Define using
13500 CROSS_SYSTEM_HEADER_DIR.
13502 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13503 (process_command): Use it.
13504 (main): Likewise. Kill trailing = from env vars.
13505 (build_search_list): Put it back.
13506 * collect2.c (main): Use LIBRARY_PATH_ENV.
13508 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13509 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13511 * tm.texi (Frame Layout): Document SMALL_STACK.
13512 * c-common.c (c_common_nodes_and_builtins): Check it.
13514 * system.h: Undef alloca after including glibc's <stdlib.h>,
13515 if USE_C_ALLOCA is defined.
13517 * gcc.c (set_input): New fn.
13518 (main): After all input files are compiled, reset the input file
13521 * aclocal.m4 (rindex, index): If already defined, don't attempt
13524 * ginclude/varargs.h: (__va_list__): Define ifndef.
13525 * ginclude/stdarg.h: Likewise.
13527 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13528 instead of unsigned char.
13530 * hash.h (true, false, boolean): Undef before enum.
13532 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13533 proper type of "HOST_WIDE_INT *", rather than their natural type of
13534 "unsigned HOST_WIDE_INT *".
13536 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13538 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13540 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13542 * regclass.c (choose_hard_reg_mode): Likewise.
13544 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13546 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13548 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13550 * c-common.c: PROTO -> PARAMS.
13551 * c-common.h: Likewise.
13552 * c-decl.c: Likewise.
13553 * c-iterate.c: Likewise.
13554 * c-lang.c: Likewise.
13555 * c-lex.c: Likewise.
13556 * c-lex.h: Likewise.
13557 * c-parse.in: Likewise.
13558 * c-pragma.c: Likewise.
13559 * c-pragma.h: Likewise.
13560 * c-tree.h: Likewise.
13561 * c-typeck.c: Likewise.
13562 * objc/objc-act.c: Likewise.
13563 * objc/objc-act.h: Likewise.
13565 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13567 * m88k-protos.h: New file.
13569 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13572 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13574 * m88k.md: Likewise.
13576 * tekXD88.h: Likewise.
13578 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13580 * m68k-protos.h: New file.
13582 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13585 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13587 * mot3300.h: Likewise.
13589 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13591 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13593 (extract_bitlist): Declare bitlen.
13595 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13597 * cccp.c: Accept and ignore -lang-fortran.
13599 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13600 qualifiers don't match at any level of pointerness.
13602 2000-01-12 Robert Lipe <robertl@sco.com>
13604 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13606 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13608 * reload1.c (reload_reg_unavailable): New static variable.
13609 (reload_reg_free_p): Test it.
13610 (reload_reg_free_for_value_p): Test it instead of
13612 (choose_reload_regs_init): Compute it.
13614 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13616 * reorg.c (fill_slots_from_thread): Check modified_in_p
13619 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13621 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13622 these nodes even if INTERNALS is not set.
13624 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13626 * gcse.c (delete_null_pointer_checks_1): Cope when
13627 get_condition cannot determine the condition.
13629 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13631 * toplev.h (set_message_length): Declare.
13633 * diagnostic.c (obstack_chunk_alloc): Define macro.
13634 (obstack_chunk_free): Likewise.
13635 (struct output_buffer): New data structure.
13636 (vmessage): Remove.
13637 (output_maximum_width): New variable.
13638 (doing_line_wrapping, set_message_length, init_output_buffer,
13639 get_output_prefix, output_space_left, emit_output_prefix,
13640 output_newline, output_append, output_puts, dump_output,
13641 vbuild_message_string, build_message_string, build_location_prefix,
13642 voutput_notice, output_printf, line_wrapper_printf,
13643 vline_wrapper_message_with_location): New functions. Implement
13644 automatic line wrapping.
13645 (v_message_with_decl): Make it handle automatic line wrapping.
13646 (v_error_with_file_and_line): Likewise.
13647 (v_warning_with_file_and_line): Likewise.
13648 (announce_function): Likewise.
13649 (default_print_error_function): Likewise.
13651 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13653 * cpplib.h (struct cpp_options): Change lang_asm to char.
13655 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13656 done in cpp_handle_option now.
13657 (initialize_builtins): Take out special case code used only by
13659 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13660 if -traditional. Recognize -lang-fortran and set
13661 lang_fortran, also turn off cplusplus_comments.
13662 (print_help): Document -lang-fortran.
13663 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13664 lang_asm. Ignore all directives other than `# 123 "file"' if
13666 (cpp_get_token): If -traditional, don't recognize directives
13667 unless the # is in column 1.
13668 (parse_string): If lang_fortran or lang_asm, silently
13669 terminate strings ('' or "") at end of line.
13670 Remove unnecessary braces.
13672 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13673 Richard Henderson <rth@cygnus.com>
13675 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13677 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13678 strict_low_part when possible.
13680 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13682 * alias.c: PROTO -> PARAMS.
13683 * basic-block.h: Likewise.
13684 * bitmap.c: Likewise.
13685 * bitmap.h: Likewise.
13686 * builtins.c: Likewise.
13687 * c-aux-info.c: Likewise.
13688 * caller-save.c: Likewise.
13689 * calls.c: Likewise.
13691 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13693 * Makefile.in (toplev.o): Depend on regs.h.
13695 * output.h (tdesc_section): Prototype.
13697 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13699 * sdbout.c: Include "tm_p.h".
13701 * toplev.c: Include "regs.h".
13703 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13705 * unroll.c (unroll_loop): Add EH support.
13707 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13709 * pa-protos.h: New file.
13711 * pa.c: Include recog.h and tm_p.h.
13712 (compute_zdepwi_operands, compute_movstrsi_length,
13713 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13714 find_addr_reg, import_milli): Add static prototypes.
13715 (pa_cpu_string, pa_arch_string): Constify a char*.
13716 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13717 (read_only_operand): Add argument `mode'.
13718 (singlemove_string, output_move_double, output_fp_move_double,
13719 output_block_move, output_and, output_ior, output_ascii,
13720 remove_useless_addtr_insns, milli_names, output_mul_insn,
13721 output_div_insn, output_mod_insn, output_arg_descriptor,
13722 output_cbranch, output_bb, output_bvb, output_dbra, ,
13723 output_millicode_call, output_call, hppa_encode_label,
13724 output_parallel_movb, output_parallel_addb): Constify a char*.
13725 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13726 (output_parallel_addb): Remove extra arg to `constrain_operands'
13728 * pa.h: Move all prototypes to pa-protos.h.
13729 (pa_cpu_string, pa_arch_string): Constify a char*.
13730 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13732 * pa.md: Call `function_label_operand' with mode argument.
13733 Likewise for `read_only_operand'.
13734 Fix nesting of parens in call to `symbolic_operand'.
13736 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13738 * i860-protos.h: New file.
13740 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13743 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13745 * i860.md: Likewise.
13747 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13749 * i386.md (movstrsi expander): Rewrite.
13750 (movstrsi_1 insn): Deleted.
13751 (strmovhi, strmovqi expander): New expanders.
13752 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13753 * i386.c (x86_single_stringop): New global variable.
13754 * i386.h (x86_single_stringop): Declare.
13755 (TARGET_SINGLE_STRINGOP): New macro.
13757 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13759 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13760 integer vararg POSTINCREMENT before the destination of the jump
13761 for the hard fp case.
13762 (function_arg_pass_by_reference): Pass a copy of CUM to
13765 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13766 for CONSTANT_ADDRESS_P above while loop for subreg.
13768 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13770 * flow.c (propagate_block): When a prologue/epilogue insn
13771 is marked dead, unconditionally clear libcall_is_dead and
13772 insn_is_dead, and only dump rtl if warnings aren't being
13775 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13777 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13778 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13779 (FIXED_REGISTERS): Set dirflag as fixed.
13780 (CALL_USED_REGISTERS): Set dirflag as used.
13781 (REG_ALLOC_ORDER): Set dirflag as last one.
13782 (DIRFLAG_REG): New macro.
13783 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13784 (HI_REGISTER_NAMES): Add dirflag.
13785 (DEBUF_PRINT_REG): Handle dirflag.
13786 * i386.md (type attribute): New cld and str types.
13787 (length_opcode attribute): Set cld and str to 1.
13788 (memory attribute): Set str to unknown - it is not clear from the
13790 (pent_np function unit): Prefixed string operations takes 12 cycles
13791 minimally; cld takes 2 cycles.
13792 (ppro_uops attribute): Str is "many" and cld is "few".
13793 (ppro_p0 unit): Handle cld here.
13794 (k6_alux unit): Handle cld and str types.
13795 (k6_load unit): It is ocupied by str opcodes.
13796 (k6_store unit): It is ocupied by str opcodes.
13797 (athlon_decode): Str is vector decoded.
13798 (athlon_ieu): Handle str and cld.
13799 (cld pattern): New.
13800 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13801 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13802 cmpstrsi_nz_1 insn): Do not output cld instruction
13804 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13806 * gcc.texi (G++ and GCC): Add Java and Chill.
13807 (Bug Critera): Don't list languages.
13809 * gcc.texi (Incompatibilities): No longer claim most C compilers
13812 * gcc.texi (G++ and GCC): Update other front-ends list.
13814 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13816 * i386.c (ix86_expand_setcc): Fix typo.
13817 (ix86_expand_movcc): Similarly.
13819 * Band-aid until haifa's bitset implementation is nuked.
13820 * haifa-sched.c (extract_bitlst): New parameter for size of the
13821 bitset in bits. All callers changed. Avoid looking at undefined
13822 bits in the bitset.
13823 (edgeset_bitsize): New variable.
13824 (schedule_region): Initialize edgeset_bitsize.
13826 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13828 * Makefile.in (optabs.o): Depend on real.h
13829 (resource.o): Depend on insn-attr.h
13831 * builtins.c (result_vector): Wrap prototype in macro conditions
13832 governing definition and use.
13834 * c-common.c: Include tm_p.h.
13836 * c-lex.c: Likewise.
13838 * elfos.h: Constify a char*.
13840 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13841 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13842 parameter with ATTRIBUTE_UNUSED.
13844 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13847 * haifa-sched.c (schedule_insns): Mark parameter with
13850 * optabs.c: Include real.h.
13852 * real.h (ereal_atof): Add prototype arguments.
13854 * resource.c: Include insn-attr.h.
13856 * sdbout.c (sdbout_queue_anonymous_type,
13857 sdbout_dequeue_anonymous_types): Wrap in macro
13858 SDB_ALLOW_FORWARD_REFERENCES.
13859 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13862 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13864 * stupid.c: Include tm_p.h.
13866 * tree.c (real_value_from_int_cst): Mark parameter with
13869 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13871 * i960-protos.h: New file.
13873 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13876 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13878 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13880 * combine.c (expand_field_assignment): Do not discard SUBREGs
13881 while computing nonzero_bits.
13883 2000-01-09 Nick Clifton <nickc@cygnus.com>
13885 * config/arm/arm.c: Fix compile time warnings about signed vs
13886 unsigned constants.
13887 * config/arm/arm.h: Fix compile time warnings about signed vs
13888 unsigned constants.
13890 2000-01-09 Philip Blundell <philb@gnu.org>
13892 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13893 than `ldm' with only one register.
13894 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13897 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13900 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13902 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13905 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13907 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13908 assignment used as truth value.
13910 * function.c (assign_temp): Mark parameter `dont_promote' with
13911 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13912 PROMOTE_FOR_CALL_ONLY.
13914 * genrecog.c (write_subroutine): Mark variable `operands' with
13917 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13920 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13921 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13923 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13926 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13928 * config/c4x.h: Tidy up comments.
13929 * config/c4x.c: Likewise.
13931 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13933 * fold-const.c (lshift_double, rshift_double): Handle
13934 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13936 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13938 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13939 in prepare_function_start().
13941 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13943 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13944 longer allocate extra stack for function calls.
13946 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13948 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13950 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13952 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13954 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13956 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13957 * aix43.h: Revert Aug 2 change.
13958 (HAS_INIT_SECTION): Define, not visible yet.
13959 (LD_INIT_SWITCH): Define, not visible yet.
13960 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13962 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13964 * collect2.c (main): Expand ld2 size further.
13965 (export_object_lst): Cast assignment to avoid warning.
13966 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13967 (scan_prog_file, COFF): Do not collect initialization or
13968 finalization functions generated for entire shared object if
13969 init/fini support present.
13971 2000-01-07 Nick Clifton <nickc@cygnus.com>
13973 * config/elfos.h: Tidy up formatting of marcos. Make sure
13974 that .section directives are always prefixed by a tab.
13976 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13979 2000-01-07 Matt Austern <austern@sgi.com>
13981 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13984 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13986 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13988 (crtbegin.o, s-crtS): Likewise.
13990 2000-01-06 Richard Henderson <rth@cygnus.com>
13992 * alpha.md (adddi_2+1): Limit offset such that it will be
13993 loadable with a single ldah+lda pair.
13994 (adddi_2+2): Explicitly fail split if we can't make it work.
13996 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13998 * protoize.c: Conditionally include unistd.h.
13999 (IS_SAME_PATH_CHAR): New macro.
14000 (IS_SAME_PATH): New macro.
14001 (CPLUS_FILE_SUFFIX): New macro.
14002 (cplus_suffix): New static variable.
14003 (is_abspath): New static function.
14004 (in_system_include_dir): Handle DOS style pathnames.
14005 (file_could_be_converted): Likewise.
14006 (file_normally_convertible): Likewise.
14007 (directory_specified_p): Likewise.
14008 (file_excluded_p): Likewise.
14009 (abspath): Likewise.
14010 (shortpath): Likewise.
14011 (referenced_file_is_newer): Likewise.
14012 (save_def_or_dec): Likewise.
14013 (do_processing): Likewise.
14015 (edit_file): Likewise. Use rename instead of link.
14016 (rename_c_file): Likewise. Don't rename syscalls file.
14017 (munge_compile_params): Define null device for DOS based systems.
14018 (process_aux_info_file): Use binary mode if appliable.
14019 (edit_file): Likewise.
14020 * invoke.texi (Running Protoize): Document C++ suffixes used.
14022 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14023 IS_DIR_SEPARATOR macros.
14024 * collect2.c: Likewise.
14025 * cppinit.c: Likewise.
14026 * dwarf2out.c: Likewise.
14028 * gcov.c: Likewise.
14029 * prefix.c: Likewise.
14031 * toplev.c: Likewise.
14032 * system.h: And move to here.
14034 * prefix.c (update_path): Fix typo in variable name.
14036 2000-01-06 Richard Henderson <rth@cygnus.com>
14038 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14039 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14040 (count_reg_sets_1, count_reg_references): Likewise.
14041 (flow_loops_level_compute): Start counting actual loop depth at 1.
14042 (flow_loops_find): Likewise.
14043 * local-alloc.c (update_equiv_regs): Likewise.
14044 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14046 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14048 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14049 FIRST_PSEUDO_REGISTER
14050 * dwarf2out.c: Don't include frame.h
14051 * dwarfout.c: Likewise
14052 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14055 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14057 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14060 * i386.c (movsf splitter): Fix typo in my last checkin.
14062 2000-01-05 Nick Clifton <nickc@cygnus.com>
14064 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14065 own definition of this macro.
14066 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14067 flag_data_sections or UNIQUE_SECTION_P are true.
14069 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14070 unitialised data decls.
14072 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14073 being called for uninitialised data.
14075 * config/i386/interix.c (i386_pe_unique_section): Cope with
14076 being called for uninitialised data.
14078 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14079 for uninitialised data.
14081 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14082 for uninitialised data.
14084 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14085 for uninitialised data.
14087 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14088 (UNIQUE_SECTION_P): Always generate a unique section if
14089 flag_data_sections is true.
14090 (UNIQUE_SECTION): Also generate unique sections for
14091 uninitialised data.
14092 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14093 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14096 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14098 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14101 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14103 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14104 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14105 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14106 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14107 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14109 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14111 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14113 * c-decl.c (finish_enum): Simplify code to determine minimum and
14114 maximum values of the enum, and calculate the type. Remove check
14115 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14116 the DECL_INITIAL of each enumeration constant with a copy converted
14117 to the enumeration type. When updating variant types, don't bother
14118 updating the type itself.
14120 * c-typeck.c (build_binary_op): Simplify conditional expressions
14121 when weeding out spurious signed-unsigned warnings. Add new
14122 spurious warning category: if the unsigned quantity is an enum
14123 and its maximum value fits in signed_type(result_type). Update
14125 (build_conditional_expr): Warn here if one alternative is signed
14126 and the other is unsigned.
14128 2000-01-05 Nick Clifton <nickc@cygnus.com>
14130 * config/fr30/fr30.h: Remove extraneous comments.
14132 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14134 * reload1.c (choose_reload_regs): When disabling a reload, also
14135 set reload_spill_index to -1.
14137 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14139 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14141 (m68*-*-rtemself*): New target.
14142 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14143 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14144 (sparc*-*-rtemself*): New target.
14145 (sparc*-*-rtems*): Now elf not a.out.
14146 * config/i386/rtems.h: Include config/rtems.h.
14147 * config/i386/rtemself.h: Include config/rtems.h.
14148 * config/i960/rtems.h: Include config/rtems.h.
14149 * config/m68k/rtems.h: Include config/rtems.h.
14150 * config/m68k/rtemself.h: Include config/rtems.h.
14151 * config/mips/rtems64.h: Include config/rtems.h.
14152 * config/pa/rtems.h: Include config/rtems.h.
14153 * config/rs6000/rtems.h: Include config/rtems.h.
14154 * config/sh/rtems.h: Include config/rtems.h.
14155 * config/sh/rtemself.h: Include config/rtems.h.
14156 * config/sparc/rtems.h: Include config/rtems.h.
14157 * config/sparc/rtemself.h: Include config/rtems.h
14159 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14161 * final.c (shorten_branches): Correctly compute length of
14162 asms without operands.
14164 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14166 * configure.in: Add pj target.
14167 * configure: Regenerate.
14168 * config/pj: New directory.
14169 * config/pj/lib1funcs.S: New file.
14170 * config/pj/linux.h: New file.
14171 * config/pj/pj.c: New file.
14172 * config/pj/pj.md: New file.
14173 * config/pj/pjl.h: New file.
14174 * config/pj/t-pj: New file.
14175 * config/pj/xm-pj.h: New file
14177 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14179 * toplev.c (rest_of_compilation): Run shorten-branches before
14182 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14184 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14185 macros so that they're consistent with their names.
14186 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14187 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14189 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14191 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14192 modified inadvertently.
14194 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14196 * configure.in (v850*-*-rtems*): New target.
14197 * configure: Regenerate.
14198 * config/v850/rtems.h: New file.
14200 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14202 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14203 (__gthread_key_create): Likewise.
14204 (__gthread_key_dtor): Likewise.
14205 (__gthread_once): Fix logic.
14206 (__gthread_key_delete): Cast away constness.
14208 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14209 * invoke.texi: Document.
14210 * i386/mingw32.h (CPP_SPEC): Use.
14211 (LIBGCC_SPEC): Likewise.
14212 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14214 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14216 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14217 (HANDLE_PRAGMA_PACK): Undefine.
14218 (SLOW_UNALIGNED_ACCESS): Define.
14220 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14222 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14223 to default definition.
14224 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14225 (store_fixed_bit_field): Call macro with word_mode and alignment.
14226 (extract_bit_field): Call macro with relevant mode and alignment.
14227 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14228 to default definition.
14229 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14231 (move_by_pieces_ninsns): Likewise.
14232 (clear_by_pieces): Likewise.
14233 (emit_push_insn): Likewise.
14234 (store_field): Call macro with relevant mode and alignment.
14235 (expand_expr): Likewise.
14236 (expand_expr_unaligned): Likewise.
14238 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14239 (SLOW_UNALIGNED_ACCESS): Define.
14240 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14241 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14242 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14243 (toc_section): Likewise and .toc pseudo-op.
14244 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14246 (TEXT_SECTION_ASM_OP): Likewise.
14247 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14250 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14251 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14252 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14253 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14254 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14256 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14258 * regclass.c: Revert my Jan 4 change to loop cost computation.
14260 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14262 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14265 2000-01-04 Stan Cox <scox@cygnus.com>
14267 * haifa-sched.c (build_control_flow): Change unreachable simple
14268 loop test to check if current block has only one predecessor.
14269 (find_rgns): Initialize degree. Use dest as degree index, not src.
14271 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14273 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14275 * calls.c (expand_call): Likewise for
14276 `old_stack_arg_under_construction'.
14278 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14280 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14283 * gcc.c (execute): Likewise for `ut' and `st'.
14285 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14287 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14289 * jump.c (jump_optimize_1): Likewise for `temp2'.
14291 * local-alloc.c (block_alloc): Likewise for `r1'.
14293 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14295 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14296 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14298 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14301 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14302 and `goal_earlyclobber'.
14304 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14306 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14308 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14310 * unroll.c (copy_loop_body): Likewise for `copy'.
14312 * varasm.c (output_constructor): Likewise for `byte'.
14314 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14316 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14317 all FP constants for constant->reg moves.
14318 (ix86_split_to_parts): Try to convert memory address into immediate
14319 when available in the constant pool.
14320 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14322 (LEGITIMATE_CONSTANT_P): Return 1.
14323 * i386.md (pushsf): New splitter to convert constant pool memory
14324 reference to immediate.
14325 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14328 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14330 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14331 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14332 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14333 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14334 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14336 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14338 * ginclude/stdbool.h: Support compilation as C++.
14340 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14342 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14344 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14346 * regclass.c (regclass): Properly compute loop_cost. Adjust
14349 * regclass.c: Fix minor whitespace problems.
14351 2000-01-03 Anthony Green <green@cygnus.com>
14353 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14354 Restore the pic register if required.
14356 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14358 * c-common.c (format_char_info): Update comment.
14359 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14360 was recognized. Emit warning for formats new in ISO C99 only
14361 if flag_isoc9x is not set.
14363 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14365 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14367 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14369 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14370 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14371 (make_compound_operation): Choose cheaper alternative between
14372 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14374 * regclass.c (op_costs): Remove global variable.
14375 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14376 (record_operand_costs): Break out from ...
14377 (scan_one_insn): ... here.
14378 (dump_regclass): Make dumps nicer.
14379 (regclass): Dump preferrences choosed and changes done during passes.
14381 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14383 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14385 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14387 * config/sparc/sparc.c (gen_df_reg): New function.
14388 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14389 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14390 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14391 movtf_cc_reg_sp64+1): Use it.
14393 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14395 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14396 copied LABEL_DECLs.
14398 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14400 * config/i386/i386.c (ix86_expand_unary_operator): Function
14401 definition made void.
14402 (ix86_expand_binary_operator): Update outdated preceding comment.
14403 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14406 * config/i386/i386.c (override_options): Fix option-name typo.
14408 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14410 * system.h (CEIL): Define.
14411 * builtins.c (CEIL): Remove.
14412 * expmed.c (CEIL): Likewise.
14413 * expr.c (CEIL): Likewise.
14414 * stor-layout.c (CEIL): Likewise.
14416 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14418 * expr.c (store_constructor_field): Fix typo introduced with last
14421 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14423 * tree.h (BINFO_N_BASETYPES): New macro.
14425 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14427 * expmed.c (emit_store_flag): Prevent losing a pending stack
14428 adjust the same way we prevent losing queued increments.
14430 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14432 * function.c (update_temp_slot_address): Handle case where sum of
14433 temporary address plus offset in register is a valid address.
14435 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14437 * genrecog.c (change_state) Corrected typo.
14439 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14441 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14442 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14443 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14445 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14447 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14448 case, expand GT comparisons correctly. Fix a comment before this
14451 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14453 * dwarfout.c: Include "frame.h"
14454 * dwarf2out.c: Likewise.
14455 * Makefile.in (dwarfout.o): Depend on frame.h
14456 (dwarf2out.o): Likewise.
14458 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14460 Restore i386 binary compatibility in Dwarf EH info.
14461 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14462 value of FIRST_PSEUDO_REGISTER.
14463 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14464 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14465 * dwarfout.c (output_reg_number): Ditto.
14466 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14467 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14469 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14471 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14472 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14473 (<hack>_RE_CT): not needed
14474 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14475 rewritten to scan the file text once only
14476 "template<..." test added
14477 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14478 (is_cxx_header): declaration added
14479 * fixinc/fixtests.c(is_cxx_header): removed
14480 (apply_fix_p_t): removed
14481 (double_slash_test): is_cxx_header is only called once now
14482 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14483 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14484 within the templates.
14485 The borken spelling of "broken" was fixed.
14486 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14487 The default level depends on FIXINC_DEBUG.
14489 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14491 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14492 Otherwise provide a declaration for atexit.
14493 (init_dummy): Make sure dummy call to atexit is nevertheless
14494 called with correct number of args.
14496 * frame.c: Update comments referring to other files.
14498 * libgcc2.c: Likewise.
14500 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14502 * cse.c (free_element, get_element): Remove unused prototypes.
14504 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14507 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14510 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14512 * configure.in,configure: case arm for mn10200-*-* now sets
14513 float_format=i32 so that float.h will correctly claim "double"
14514 to be 32 bits. Ran autoconf to generate configure from .in file.
14516 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14518 * pa.md (conditional zero): If op1 is a register, force it into
14519 the same register as op0.
14521 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14523 * tree.h (BINFO_BASETYPES): Improve documentation.
14525 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14527 * configure.in (--enable-checking): Use a more portable `for'
14530 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14532 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14533 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14535 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14538 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14539 Delete descriptions.
14541 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14542 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14543 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14544 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14545 xm-svr4.h: Remove all instances of sys_siglist handling.
14547 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14549 * config/sparc/sparc.md (cmp_zero_qi,
14550 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14551 cmp_zero_extendqidi2_andcc_set): New patterns.
14553 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14555 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14556 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14557 (fpgnulib.c, xfgnulib.c): Add rules.
14558 * m68k/t-mot3300-gas: Likewise.
14560 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14562 * configure.in: Avoid [[ by using test and changequote. Add
14563 changequote required by 1999-12-14 change.
14564 * configure: Rebuild.
14566 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14568 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14570 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14572 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14573 * flow.c (find_use_as_address): Likewise.
14574 * function.c (fixup_var_refs_1): Likewise.
14575 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14576 * jump.c (invert_exp, redirect_exp): Likewise.
14577 * loop.c (replace_call_address): Likewise.
14578 (count_nonfixed_reads): Likewise.
14579 * rtlanal.c (modified_between_p): Likewise.
14580 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14581 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14582 * unroll.c (remap_split_bivs): Likewise.
14584 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14586 * diagnostic.c (v_message_with_decl): Use .* format specifier
14587 instead of building the format specifier width manually.
14589 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14590 determining whether to provide a prototype. Remove the
14591 sys_siglist clause in the conditional.
14593 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14595 * fold-const.c (operand_equal_p): Use memcmp to compare string
14597 Suggested by D. J. Bernstein
14599 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14601 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14602 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14604 * config/mips/mips.h (TARGET_64BIT): Likewise.
14605 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14606 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14607 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14608 dsps. Give routines proper names if SI/DI modes are not used.
14609 * longlong.h: Use DWunion instead of DIunion.
14611 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14613 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14614 GC_CHECKING, GC_ALWAYS_COLLECT.
14615 * configure.in: Allow --enable-checking with an argument
14616 listing check modes to enable.
14617 * config.in, configure: Rebuilt.
14618 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14619 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14620 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14621 ENABLE_GC_ALWAYS_COLLECT.
14622 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14624 * tree.h, tree.c: Change ENABLE_CHECKING to
14625 ENABLE_TREE_CHECKING throughout.
14627 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14629 * fold-const.c (fold_truthop): Properly check for FP RHS.
14631 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14633 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14634 * toplev.c (note_deferral_of_defined_inline_function): New
14635 function, split out from ...
14636 (rest_of_compilation): ... here. Use it.
14638 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14640 * expr.c (store_constructor): Don't call clear_storage if size is
14643 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14645 * Makefile.in (toplev.o): Depend on loop.h.
14647 * dwarfout.c: Include tm_p.h.
14649 * emit-rtl.c (restore_emit_status): Mark parameter with
14652 * final.c (final_scan_insn): Likewise.
14654 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14655 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14656 flow_depth_first_order_compute, flow_loop_pre_header_find,
14657 flow_loop_tree_node_add, flow_loops_tree_build,
14658 flow_loop_level_compute, flow_loops_level_compute,
14659 flow_loop_outside_edge_p): Add prototypes.
14660 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14662 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14663 Mark with ATTRIBUTE_NORETURN.
14665 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14667 * local-alloc.c (no_conflict_p): Likewise.
14669 * loop.c (insert_bct): Hide definitions of variables with hidden
14671 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14673 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14674 with ATTRIBUTE_UNUSED.
14675 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14676 (reg_scan): Likewise.
14678 * reload.c (find_reloads): Remove unused variables `changed'.
14680 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14682 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14683 Remove unused variable `insn'.
14685 * toplev.c: Include loop.h.
14686 (report_file_and_line): Remove unnecessary prototype.
14688 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14690 * unroll.c (biv_total_increment): Likewise.
14692 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14694 * reload1.c (emit_input_reload_insns): Restore old behaviour
14695 wrt. 'special' reloads.
14697 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14699 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14700 hash.h. (cse.c): Don't depend on hashtab.h.
14702 * cse.c: Don't include hashtab.h.
14703 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14705 * ggc-simple.c: Don't include hash.h.
14707 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14709 * dwarf2out.c (add_abstract_origin_attribute): Call
14710 gen_abstract_function on our function context.
14712 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14714 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14716 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14718 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14721 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14723 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14724 constraints to "a!r".
14726 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14728 * Makefile.in (calls.o): Depend on function.h.
14729 (alias.o): Likewise.
14731 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14733 * reload1.c (emit_reload_insns): Break out code and variables into...
14734 (input_reload_insns, other_input_address_reload_insns,
14735 other_input_reload_insns, input_address_reload_insns,
14736 inpaddr_address_reload_insns, output_reload_insns,
14737 output_address_reload_insns, outaddr_address_reload_insns,
14738 operand_reload_insns, other_operand_reload_insns,
14739 other_output_reload_insns): ... new static variables, and...
14740 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14741 do_output_reload): ... new functions.
14743 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14745 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14747 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14749 * md.texi: Add c4x constraints documentation.
14751 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14753 * config/i386/dgux.c (struct option): Rename to
14754 lang_independent_option.
14755 (struct m_options): Add description field.
14756 (output_options): Rename option type, add sep declaration, output
14757 ix86_cpu_string and ix86_arch_string only if set.
14758 (output_file_start): Rename option type.
14760 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14762 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14764 (libgcc2.a): Similarly.
14766 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14768 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14769 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14770 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14772 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14774 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14775 Remove redundant initialization of "frexpon" and "expon".
14777 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14779 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14781 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14782 (store_constructor_field, expand_expr): Pass new arg.
14784 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14786 * Makefile.in (explow.o): Depend on function.h.
14788 * stor-layout.c (set_sizetype): Fix typo.
14790 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14792 * function.c (cfun): Renamed from current_function. All users
14794 * function.h (cfun): Rename declaration as well.
14796 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14797 to be of type regset_head, not regset. All users changed by adding
14799 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14801 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14803 * config/c4x/rtems.h: New file.
14805 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14807 * reload1.c (spill_failure): Take class of failed reload as argument
14808 and print it. Caller changed.
14810 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14812 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14813 (TARGET_SWITCHES): Allow subtargets to default switches.
14814 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14816 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14818 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14821 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14823 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14824 * cppinit.c (cpp_handle_option): Likewise.
14826 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14827 determine when to define.
14829 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14831 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14832 cmove with mismatched test and data modes.
14834 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14836 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14839 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14841 * alias.c: Minor reformatting.
14842 * flow.c: Likewise.
14843 * regs.h: Likewise.
14844 * stor-layout.c: Likewise.
14845 * fold-const.c: Likewise.
14846 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14847 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14849 (size_int_wide): Cache nodes even if garbage collecting.
14850 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14851 of SAVE_EXPR has no side effects.
14852 * cse.c: Move a comment.
14853 * tree.c: Minor reformatting.
14854 (int_size_in_bytes): Return -1 if constant overflows.
14856 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14858 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14860 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14862 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14863 after any change to c-parse.in, even if objc-parse.y didn't
14866 1999-12-18 David S. Miller <davem@redhat.com>
14868 * toplev.c (rest_of_compilation): Restore BLOCK tree
14869 reconstruction and branch shortening changes lost in
14870 December 18th change.
14872 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14874 * config/arm/linux-elf.h: Change all instances of
14875 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14876 * config/arm/uclinux-elf.h: Likewise.
14878 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14880 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14881 v_message_with_decl, file_and_line_for_asm,
14882 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14883 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14884 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14885 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14886 pfatal_with_name, fatal_io_error, need_error_newline,
14887 last_error_function, last_error_tick, announce_function,
14888 default_print_error_function, print_error_function,
14889 report_error_function, fnotice, error_with_file_and_line,
14890 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14891 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14892 warning_with_decl, warning_for_asm, warning, pedwarn,
14893 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14895 (compile_file): Use fnotice instead of notice. Adjust call.
14897 * diagnostic.c: New file.
14899 * Makefile.in (OBJS): Include diagnostic.o
14900 (diagnostic.o): Define dependence.
14902 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14904 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14907 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14909 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14911 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14913 * fixtests.c (is_cxx_header): New fn, split out of
14915 (else_endif_label): Allow "#endif // comment" in C++ headers,
14916 as determined by is_cxx_header.
14917 * fixfixes.c (else_endif_label_fix): Update comment.
14918 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14920 * genfixes: Correct double thinko in commandline parsing.
14921 * hackshell.tpl: Generate correct sh syntax for bypass
14924 * inclhack.def (all): Whenever an inserted preprocessor
14925 conditional is split over multiple lines, use double
14926 backslashes in this file so the fixed header will be readable.
14928 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14929 and add bypass entry for correct version of this header.
14930 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14931 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14933 (hpux8_bogus_inlines): New fix, split from...
14934 (ultrix_atof_param) ... here.
14935 (math_expression): Add bypass entry keyed to glibc comment
14936 indicating the problem has been dealt with; disable
14937 unnecessary sed operations; update commentary.
14938 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14939 add select and bypass entries, simplify shell operation.
14940 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14942 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14943 ultrix_atof_param): Add select entry.
14944 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14945 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14946 comments with the fixes they describe.
14948 * c-parse.in (string action): Do not warn about ANSI string
14949 concatenation in system headers. Affects C parser only.
14950 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14952 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14954 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14955 compiling libgcc2 the macro depends always on arch cpp defines.
14957 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14959 * loop.c (insert_loop_mem): Don't record MEMs from inside
14962 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14964 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14966 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14967 notes too, create one when replacement failed, attempt to simplify
14969 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14970 or REG_EQUIV notes.
14972 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14974 * crtstuff.c (__dso_handle): Declare.
14975 (__cxa_finalize): Likewise.
14976 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14979 * invoke.texi: Document -fuse-cxa-atexit.
14981 * tree.h (ptr_type_node): Document.
14982 (const_ptr_type_node): Likewise.
14984 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14986 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14987 (optimize_reg_copy_2): Likewise.
14988 (optimize_reg_copy_3): Likewise.
14989 (fixup_match_2): Likewise.
14990 (regmove_optimize): Likewise.
14991 (fixup_match_1): Liekwise.
14993 * i386.md (HI to SImode promoting splitters): Rewrite.
14994 (pushsf mem peep2): New.
14995 (testhi to andhi peep2): Remove.
14996 * i386.h (x86_promote_QImode): New.
14997 (TARGET_PROMOTE_QImode): New.
14998 (PREDICATE_CODES): Add promotable_binary_operator.
14999 * i386.c (x86_promote_QImode0: New.
15000 (promotable_binary_operator): New.
15001 * i386-protos.h (promotable_binary_operator): New.
15003 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
15005 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
15007 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15009 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
15010 * function.c (insert_block_after_note): Remove.
15011 (retrofit_block): Likewise.
15012 (identify_blocks): Fix indentation.
15013 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
15014 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
15015 * function.h (insert_block_after_note): Remove prototype.
15016 (retrofit_block): Likewise.
15017 * integrate.c (expand_inline_function): Don't call
15018 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
15019 just expand_start_bindings. Use the block_map to remap old
15020 NOTE_BLOCKs to new ones.
15021 (integrate_decl_tree): Keep track of remapped blocks.
15022 * integrate.h (struct inline_remap): Add block_map.
15023 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
15024 NOTE_BLOCK on the notes.
15025 (expand_start_bindings): Rename to ...
15026 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
15027 (expand_end_bindings): Set NOTE_BLOCK.
15028 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
15029 reconstruct the BLOCK tree.
15030 * tree.h (expand_start_bindings): Macroize. Call ...
15031 (expand_start_bindings_and_block): New function.
15033 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15035 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
15036 to match the format.
15038 1999-12-16 David S. Miller <davem@redhat.com>
15040 * expr.c (emit_move_insn_1): Only emit clobbers if one of
15041 the outputs is a SUBREG.
15042 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
15045 * config/sparc/sparc.c (epilogue_renumber): Add default case
15048 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15050 * toplev.c (rest_of_compilation): Run branch shortening after
15053 * regclass.c (loop_depth): Remove
15054 (scan_one_insn): Do not handle LOOP_NOTE insns.
15055 (regclass): Go through basic blocks and set loop_cost
15057 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
15059 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
15061 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15063 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
15064 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
15065 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
15067 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
15069 * loop.c (insert_loop_mem): Ignore memory clobbers.
15071 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
15074 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
15076 * profile.c: Remove redundant #include "output.h".
15078 * h8300.md (HImode preinc peephole): Fix typo.
15080 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15082 * function.c (retrofit_block): Abort if we don't find a suitable insn.
15083 (insert_block_after_note): Abort if we don't have a previous block.
15084 Remove FN parameter.
15085 * function.h: Adjust.
15087 1999-12-15 Mark Mitchell <mark@codesourcery.com>
15089 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
15090 argument more than once.
15092 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15094 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
15096 1999-12-15 Jakub Jelinek <jakub@redhat.com>
15098 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
15100 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15102 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
15103 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
15104 update stack_alignment_needed.
15105 (prepare_function_start): Initialize stack_alignment_needed
15106 * function.h (struct function): Add field stack_alignment_needed.
15108 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15110 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
15111 Handle live_throughout / dead_or_set instead of live_before /
15113 (save_call_clobbered_regs): Get register livenessinformation from
15114 chain->live_throughout.
15115 (add_stored_regs): New function.
15116 (insert_restore, insert_save): Add restored / saved registers to
15118 * global.c (reg_dies): New parameter chain.
15119 (reg_becomes_live): Third parameter is regs_set now.
15120 Changed all callers.
15121 (reg_dies): New parameter chain. Changed all callers.
15122 (build_insn_chain): Set live_throughout instead of
15123 live_before / live_after.
15124 * reload.h (struct insn_chain): Replace members live_before /
15125 live_after with live_throughout / dead_or_set.
15126 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
15127 instead of live_before / live_after.
15128 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
15129 (order_regs_for_reload, find_reg, finish_spills): Likewise.
15130 (choose_reload_regs_init): Likewise.
15131 * stupid.c (current_chain, find_clobbered_regs): Delete.
15132 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
15133 instead of chain->live_before / chain->live_after.
15134 (mark_hard_ref): New function.
15135 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
15137 1999-12-15 David S. Miller <davem@redhat.com>
15139 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
15141 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15143 * flow.c (calculate_loop_depth): Make global, remove prototype,
15144 rewrite to use new loop infrastructure.
15145 (find_basic_block): Remove calculate_loop_depth call.
15146 * toplev.c (rest_of_compilation): Call find_basic_block.
15147 * output.h (calculate_loop_depth): Declare.
15149 * flow.c (dump_flow_info): Dump loop_depth.
15150 (flow_loops_nodes_find): Increase loop_depth for basic block in the
15152 (flow_loops_find): Initialize the loop_depth for each basic block.
15154 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15156 * tree.c (decl_function_context): Handle virtual functions.
15158 * tlink.c (scan_linker_output): Don't look in demangled name when
15159 looking for linker output keywords.
15161 * dwarfout.c (output_type): We can defer namespace-scope classes.
15163 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
15165 * regclass.c (record_reg_classes): Update comment for merging
15166 register class preferences in reg->reg copies. Tighten conditions
15167 for merging register class preferences in reg->reg copies.
15169 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
15171 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
15173 1999-12-14 Geoff Keating <geoffk@cygnus.com>
15175 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
15176 (INIT_SECTION_ASM_OP): Delete.
15177 (FINI_SECTION_ASM_OP): Delete.
15178 (STARTFILE_SPEC): Define to hold just crtbegin.o.
15180 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
15182 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
15183 the abstract origin wasn't emitted.
15185 * dwarf2out.c (class_scope_p): New fn.
15186 (gen_subprogram_die): Use it.
15187 (gen_variable_die): Use it. Tweak logic.
15188 (gen_struct_or_union_type_die): Check context_die to determine
15189 if we're function-local.
15190 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
15192 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15194 * loop.c (check_dbra_loop): Can't reverse a biv that has
15195 maybe_multiple set.
15197 1999-12-14 Nick Clifton <nickc@cygnus.com>
15199 * config/arm/arm.c: Add support for -mcpu=arm720 command line
15202 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15204 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
15205 for givs made from biv increments.
15207 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
15209 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
15210 * alpha.c (override_options): Recognize -mcpu=ev67.
15211 * alpha.h (CPP_CPU_EV67_SPEC): New.
15212 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
15213 (EXTRA_SPECS): Update.
15215 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
15217 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
15218 appropriate for -lang-c89 and -std=*.
15219 * cppinit.c (cpp_handle_option): Likewise.
15220 (new_pending_define): New, split out from cpp_handle_option.
15221 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
15222 or enable trigraphs for -ansi/-std=*.
15224 * ginclude/stdarg.h (__va_copy): New.
15225 (va_copy): Don't define for C89.
15227 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
15229 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
15230 for long long multiply-accumulate.
15232 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15234 * regclass.c (scan_one_insn): Set loop_cost to 1 when
15235 optimizing for size.
15237 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15239 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
15240 if something changed. Back out that part of yesterday's changes.
15242 * loop.c (loop_max_reg): New static variable.
15243 (loop_optimize): Initialize it. Eliminate one unnecessary call to
15245 (scan_loop): Call reg_scan_update whenever we may have added new
15246 registers, and update loop_max_reg.
15248 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15250 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15251 when source does not die.
15253 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
15255 1999-12-14 Jakub Jelinek <jakub@redhat.com>
15257 * config/sparc/linux64.h (TARGET_LIVE_G0,
15258 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
15260 * config/sparc/linux.h (TARGET_LIVE_G0,
15261 TARGET_BROKEN_SAVERESTORE): Likewise.
15262 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15263 TARGET_BROKEN_SAVERESTORE): Likewise.
15265 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15266 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15268 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15269 as sparc64 block profiling register.
15270 * config/sparc/sparc.c (sparc_override_options): Allow block
15271 profiling with -m32.
15272 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15273 profiling register.
15274 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15275 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15276 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15278 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15280 * config/sparc/sparc.h: Likewise.
15281 * config/sparc/xm-sysv4-64.h: Likewise.
15282 * config/float-sparc.h: Likewise.
15283 * glimits.h: Likewise.
15284 * longlong.h: Likewise.
15286 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15287 (ASM_IDENTIFY_GCC): Remove.
15289 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15291 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15292 (simplify_logical): Likewise.
15294 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15296 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15297 * cppfiles.c (INO_T_EQ): Likewise.
15299 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15301 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15302 * i386/mingw32.h (LIB_SPEC): Likewise.
15303 (STARTFILE_SPEC): Likewise.
15304 * i386/uwin.h (LIB_SPEC): Likewise.
15305 (STARTFILE_SPEC): Likewise.
15307 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15308 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15310 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15312 * combine.c (combine_simplify_rtx): Fix order of checks for
15313 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15315 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15317 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15318 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15320 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15322 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15324 * regclass.c (inv_reg_alloc_order): New array.
15325 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15327 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15328 counted_for_groups, counted_for_nongroups. Add fields rld and
15330 * reload.c (push_secondary_reload): Don't set nongroup field of
15332 (push_reload): Likewise.
15333 (find_reloads): Delete code to compute nongroup fields.
15334 * reload1.c (reload_insn_firstobj): New static variable.
15335 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15337 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15338 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15339 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15341 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15343 (struct hard_reg_n_uses): Deleted.
15344 (potential_reload_regs): Deleted.
15345 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15346 (reload): Don't try to allocate reload registers if we already know
15347 we have to make another pass. Call select_reload_regs. Free memory
15348 starting with reload_firstobj when starting another pass.
15349 Don't allocate spilled_pseudos.
15350 (calculate_needs_all_insns): Call copy_reloads for an insn that
15351 needs reloads; don't call calculate_needs.
15352 (spill_cost): New static array.
15353 (used_spill_regs_local): New static variable.
15354 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15355 to compute potential_reload_regs.
15356 (find_reload_regs): Completely rewritten to use find_reg.
15357 (allocate_reload_reg): Don't test counted_for_groups or
15358 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15359 all cllers changed.
15360 (choose_reload_regs): Add fallback code that uses the existing
15361 register allocation from find_reload_regs.
15363 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15365 * flow.c (create_edge_list): Cast xmalloc return value.
15367 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15369 * doprnt.c: Remove incorrect comment closure.
15371 * cse.c: Fix a few minor whitespace goofs.
15373 1999-12-13 Don Bowman <don@pixstream.com>
15375 * mips/vxworks.h: Fix problem with comment termination.
15376 (EXTRA_SECTIONS): Add in_sbss.
15377 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15379 1999-12-12 David S. Miller <davem@redhat.com>
15381 * cse.c (struct cse_reg_info): Add hash_next member,
15382 reorder rest of struct for better packing on 64-bit
15384 (cse_reg_info_tree): Kill.
15385 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15386 REGHASH_FN): New custom pow2 hash mechanism.
15388 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15389 use a pow2 hash table.
15390 (get_cse_reg_info): Rework to use new REGHASH.
15391 (new_basic_block): Likewise, use HASH_SIZE, and inline
15393 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15394 and inline free_element call.
15395 (lookup_as_function, insert, flush_hash_table, invalidate,
15396 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15397 invalidate_for_call, use_related_value, find_comparison_args,
15398 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15399 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15400 get_element): Kill.
15402 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15404 * cse.c (cse_basic_block): Free qty_table consistently.
15406 1999-12-12 David S. Miller <davem@redhat.com>
15407 Jakub Jelinek <jakub@redhat.com>
15409 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15410 SUBREGs by hand, gen the appropriate hard reg directly.
15411 (movtf reg/mem split): Likewise and alter_subreg on destination
15413 (movtf mem/reg split): Similarly.
15414 (movdf_cc_sp64): Rename from hidden pattern.
15415 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15416 (movtf_cc_sp64, following split): New pattern and splitter.
15417 (movdf_cc_reg_sp64): Rename from hidden pattern.
15418 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15420 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15422 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15424 * loop.c (load_mems): Don't hoist written floating point mem
15427 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15429 * except.h (struct eh_queue): Add `next' pointer.
15430 (struct eh_status): Make x_ehqueue a pointer.
15431 (push_ehqueue): Declare.
15432 (pop_ehqueue): Likewise.
15433 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15435 (expand_fixup_region_end): Likewise.
15436 (expand_leftover_cleanups): Likewise.
15437 (push_ehqueue): Define.
15438 (pop_ehqueue): Likewise.
15439 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15440 than doing it inline.
15441 (expand_start_all_catch): Adjust now that ehqueue is a
15443 (mark_eh_queue): Mark all level of the queue.
15444 (mark_eh_status): Adjust now that ehqueue is a
15446 (init_eh_for_function): Allocate ehqueue.
15447 (free_eh_status): Free it.
15448 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15449 expansion for a fixup.
15451 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15453 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15455 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15456 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15457 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15458 function_ptr, getpagesize, __enable_execute_stack,
15459 __enable_execute_stack, __clear_insn_cache,
15460 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15461 _cleanup, _exit, __default_terminate, __terminate_func,
15462 __terminate, __empty, __throw, new_eh_context,
15463 eh_context_initialize, eh_context_static, eh_context_specific,
15464 get_eh_context, __get_eh_context, __get_eh_info,
15465 init_reg_size_table, eh_threads_initialize,
15466 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15467 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15468 __pure_virtual): Add prototype arguments.
15469 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15470 Cast a signed value to unsigned long when comparing against one.
15471 (new_eh_context): Wrap in _GTHREADS macro.
15472 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15474 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15475 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15477 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15479 * combine.c (record_promoted_value): Remove unused variable
15482 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15484 * global.c (record_conflicts): Likewise for `j'.
15486 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15489 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15491 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15492 output_fp_compare): Constify a char*.
15494 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15496 (override_options, ix86_comp_type_attributes, print_operand,
15497 output_387_binary_op, output_fix_trunc, output_fp_compare):
15499 (ix86_sched_reorder): Mark parameter `clock_var' with
15502 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15504 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15506 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15507 operand, for use in the Java front-end.
15509 1999-12-10 Ben Collins <bcollins@debian.org>
15511 * configure.in: Fix typo for "-64" in 64bit as check.
15512 * configure: Rebuilt.
15514 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15516 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15519 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15521 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15522 concatenation is utilized.
15524 * invoke.texi (-Wtraditional): Document it.
15526 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15528 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15529 Cast a ptrdiff_t to long and pass it to printf with %ld.
15531 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15533 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15534 68881, we have no 68881 registers at all.
15535 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15536 value in a 68881 register if it is available.
15538 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15540 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15541 for long long multiply-accumulate.
15543 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15545 * loop.c (insert_loop_mem): Undo last change.
15547 1999-12-10 David S. Miller <davem@redhat.com>
15549 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15551 * config/sparc/sparc-protos.h: Add them.
15552 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15553 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15554 constraints which use those helpers.
15555 (EXTRA_CONSTRAINT): Use this new macro.
15556 * md.texi: Update sparc target constraints documentation.
15557 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15558 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15559 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15560 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15561 (movsf high/lo_sum split): Rework for new patterns.
15562 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15564 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15566 * c-common.c (c_common_nodes_and_builtins):
15567 Create __builtin_ptrdiff_t and __builtin_size_t.
15569 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15571 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15573 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15575 * regclass.c (globalize_reg): Re-instate test that allows
15576 fixed registers to be declared as a variable even after functions
15579 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15581 * i386.md (cpu attribute): Add "athlon".
15582 (athlon_decode): New attribute.
15583 (Athlon scheduling units definitions): New.
15584 (fcmp and shld patterns): Set athlon_decode to "vector".
15585 * i386.c (athlon_cost): New.
15587 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15588 x86_use_sahf): Set for Athlon.
15589 (x86_use_fiop): Unset for Athlon.
15590 (override_options): Define Athlon alignments and "athlon" name.
15591 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15592 * i386.h (TARGET_ATHLON): New.
15593 (enum processor_type): Add PROCESSOR_ATHLON.
15594 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15596 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15598 1999-12-09 Andreas Jaeger <aj@suse.de>
15600 * loop.c (record_biv): Declare parameter as int.
15602 * config/i386/i386-protos.h: Declare long_memory_operand.
15604 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15606 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15607 EXPR_WITH_FILE_LOCATION.
15609 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15611 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15614 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15616 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15619 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15621 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15622 default on linux64 again.
15623 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15624 models for multilibing.
15625 * genmultilib: Accept | as alternative separator within a set in
15628 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15630 * calls.c (precompute_arguments): Make sure initial_value contains
15631 value pseudo which CSE expects.
15632 * cse.c (struct set): New entry orig_src.
15633 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15636 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15638 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15640 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15642 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15644 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15646 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15647 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15649 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15652 * longlong.h: Merge in changes from glibc.
15653 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15654 -mno-app-regs libgcc can be compiled.
15655 * libgcc2.c: Add defines so that the updated longlong.h
15656 can be used in libgcc2.a. Also, make sure on most architectures
15657 (at least on all which have optimized code in longlong.h defined
15658 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15660 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15662 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15663 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15664 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15666 * configure: Rebuilt.
15668 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15670 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15671 outputs require a register.
15673 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15675 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15676 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15677 functions like dptoul will be resolved.
15678 (libgcc2.a): Make sure that the object files from DPBIT are named
15679 differently (prefix `_dp') from those that would be coming from
15682 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15684 * configure.in: When target is sparc* and tm_file contains 64,
15685 test for 64bit support in assembler. If not supported, remove
15686 sparc/t-sol2-64 from target-dependent Makefile fragments.
15687 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15688 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15689 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15690 * acconfig.h (AS_SPARC64_FLAG): Added.
15691 * configure, config.in: Rebuilt.
15692 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15693 support. Use AS_SPARC64_FLAG.
15695 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15697 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15698 suitable for holding OFmode values so that gcc works with complex
15700 (hard_64bit_mode_classes): Likewise.
15702 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15703 so that it is actually matched.
15704 (sethi_di_medlow): Likewise.
15706 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15707 as legitimate constant if -mvis.
15708 * config/sparc/sparc.md (movtf): Likewise.
15709 (clear_sf): Use const_double_operand.
15710 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15712 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15713 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15714 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15715 routines, _Qp_* cannot be handled like that now.
15716 (INIT_TARGET_OPTABS): Likewise.
15717 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15718 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15719 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15720 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15721 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15722 divtf3, sqrttf3): New expanders.
15723 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15724 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15725 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15728 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15729 * configure: Rebuilt.
15730 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15731 -mcpu is given and we're doing 64bit compiles.
15733 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15735 * loop.h (struct induction): Add multi_insn_incr.
15736 * loop.c (basic_induction_var): New multi_insn_incr argument.
15737 Set it if we search back through previous insns for the biv.
15738 (record_biv): New multi_insn_incr argument; fill in struct induction.
15739 (strength_reduce): Discard an iv with multiple bivs, any of
15740 which require multiple insns to increment.
15742 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15744 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15747 1999-12-06 David S. Miller <davem@redhat.com>
15749 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15750 PROMOTE_FUNCTION_RETURN.
15752 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15754 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15755 and handle REG_UNUSED note on insn.
15757 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15758 inner_mask instead of mask.
15760 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15762 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15763 zero if there was an error.
15765 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15767 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15770 * longlong.h: Fix clobbers in SPARC asm statements.
15772 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15773 valid sethi operations when TARGET_ARCH64.
15775 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15776 always use move_by_pieces to avoid infinite recursion.
15777 (restore_fixed_argument_area): Likewise.
15779 * combine.c (check_promoted_subreg, record_promoted_value): New
15781 (combine_instructions): Use them to retain nonzero and sign bit
15782 information after SUBREGs are eliminated by optimizations in
15783 this pass if PROMOTE_FUNCTION_RETURN.
15785 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15786 .register declaration. Don't use variables with __ prefixes.
15788 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15790 * fold-const.c (optimize_bit_field_compare): Only use one mode
15791 for both RHS and LHS in non-constant case.
15793 1999-12-06 Nathan Sidwell <nathan@acm.org>
15795 * frame.c (start_fde_sort): Only allocate erratic array, if
15796 linear one was allocated. Return allocated flag.
15797 (fde_insert): Only insert, if there's a valid array.
15798 (fde_end_sort): Split, sort and merge if linear and erratic
15799 arrays exist, else just sort linear one.
15800 (search_fdes): New function. Linear search through original fde
15802 (frame_init): Permit multiple initializations. Cope with
15804 (find_fde): Fallback on linear search, if failed to sort array.
15805 (__deregister_frame_info): Only free sorted array, if we
15808 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15810 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15812 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15814 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15816 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15818 * tree.h (special_function_p): Declare.
15819 * calls.c (special_function_p): Make it global. Don't take `name'
15820 as a parameter. Fix typo in 1999-11-28 change.
15821 (expand_cal): Adjust.
15823 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15825 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15826 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15827 EXPR_WFL_FILENAME_NODE.
15828 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15830 * print-tree.c (print_note): Print TREE_PRIVATE and
15833 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15834 the original die cannot be found.
15836 * varray.h (varray_head_tag): Add elements_used.
15837 (VARRAY_PUSH): New macro.
15838 (VARRAY_POP): Likewise.
15839 (VARRAY_TOP): Likewise.
15840 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15842 * varray.c (varray_init): Initialize elements_used.
15843 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15844 (INTEGRATE_H): New variable.
15845 (integrate.o): Depend on INTEGRATE_H.
15846 (unroll.o): Likewise.
15848 * function.h (insert_block_after_note): Declare.
15849 * function.c (insert_block_after_note): Split out from ...
15850 (retrofit_block): ... here.
15852 * stmt.c (expand_fixup): Fix typo in comment.
15854 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15856 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15857 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15858 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15859 (regmove_optimize, fixup_match_1): Likewise.
15861 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15863 * flow.c (flow_loops_dump): Add missing argument when calling
15864 flow_loop_nested_p.
15866 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15867 Greg McGary <gkm@gnu.org>
15869 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15870 (init_attributes): Add A_NO_LIMIT_STACK.
15871 (decl_attributes): Handle A_NO_LIMIT_STACK.
15872 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15873 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15874 Handle stack bounds checking.
15875 * flags.h (flag_stack_check): Use the word 'probe' rather than
15876 'check', because the flag doesn't actually cause any checking to
15878 * function.c (expand_function_start): Set
15879 current_function_limit_stack.
15880 * function.h (struct function): Add limit_stack.
15881 (current_function_limit_stack): Define.
15882 * invoke.texi (Code Gen Options): Document new options.
15883 * rtl.h: Declare stack_limit_rtx.
15884 * toplev.c (stack_limit_rtx): New variable.
15885 (decode_f_option): Handle new options -fstack-limit-register=REG,
15886 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15887 (main): Add stack_limit_rtx as GC root.
15888 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15889 (struct tree_decl): New member no_limit_stack.
15891 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15893 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15894 (conditional_trap+1): Get new mnemonic correct.
15895 (conditional_trap+2): New pattern for DImode traps.
15897 * config/m68k/m68k.c (output_function_prologue): Handle
15899 * config/m68k/m68k.md (trap): New insn.
15900 (conditional_trap): New insn.
15901 * md.texi (Standard Names): Document `trap' and
15902 `conditional_trap'.
15903 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15904 so a cc0 setter doesn't get emitted at some random place in the
15907 * config/i960/i960.md (trap): New insn.
15908 (conditional_trap): New expander.
15909 (conditional_trap+1, conditional_trap+2): New insns for signed
15910 and unsigned cases.
15911 * config/i960/i960.c (i960_function_prologue): Use
15912 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15914 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15915 Geoffrey Keating <geoffk@cygnus.com>
15917 * flags.h (warn_padded, warn_packed): Add global var decls.
15918 * toplev.c (warn_padded, warn_packed): Add global var defns.
15919 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15920 * stor-layout.c (layout_record): Add local variable `type'
15921 to hold often-used TREE_TYPE (field). Add local variable
15922 `unpacked_align' to hold alignment that would be in force
15923 if no `packed' attribute were present. Warn if `packed' attribute
15924 is unnecessary, or even harmful. Warn when gcc inserts padding
15925 to satisfy alignment requirements of members. Use NULL_TREE
15926 when checking whether var_size is set.
15927 * invoke.texi: Document new flags.
15929 1999-12-03 Nathan Sidwell <nathan@acm.org>
15931 * frame.c (fde_split): Reimplement to avoid variable sized array.
15933 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15935 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15936 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15938 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15940 * invoke.texi: Document the mips option -mno-crt0
15942 1999-12-02 Mike Karr <mkarr@mathworks.com>
15944 * cccp.c (argdata): Added free_ptr member.
15945 (macroexpand): Initialize free_ptr of each argument. When an
15946 argument's buffers are freed, if the argument's free_ptr corresponds
15947 to a buffer on the input stack, then return the free_ptr to that stack
15948 frame, otherwise, free it.
15949 (macarg): If an argument begins and ends on the same input stack level,
15950 then transfer the free_ptr of that buffer to the argument in case
15951 the stack is popped during the processing of a subsequent argument.
15953 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15955 * loop.c (note_reg_stored): New function.
15956 (struct note_reg_stored_arg): New structure.
15957 (try_copy_prop): Change to be more conservative; only replace within
15958 one extended basic block and stop replacing if a store to the
15959 replacement reg is seen.
15961 1999-12-02 Nick Clifton <nickc@cygnus.com>
15963 * config/fp-bit.c: Initialise all fields of the NAN
15966 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15969 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15971 * i386.md (extend?f?f2): Force the input into a register, not
15974 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15976 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15978 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15979 alternative because setting up 64bit constant is usually costly,
15980 especially when reload is in progress or completed.
15981 (movdf_const_intreg_sp64): Likewise.
15982 (movdf_const_intreg split): Fix building up constants when
15983 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15985 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15987 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15988 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15991 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15992 (asm_file_start): Emit .am33 into assembly file when compiling for
15994 (print_operand_address): Handle POST_INC addresses.
15995 (can_use_return_insn, initial_offset): Check AM33 registers too.
15996 (expand_prologue): Check & save AM33 registers too.
15997 (expand_epilogue): Similarly.
15998 (secondary_reload_class): Handle AM33 specific secondary reloads.
15999 (output_tst): Emit efficient code for the AM33 too.
16000 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
16001 (TARGET_SWITCHES): Add -mam33 switch.
16002 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
16003 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
16004 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
16005 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
16006 (enum reg_class, REG_CLASS_NAMES): Likewise.
16007 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
16008 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
16009 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
16010 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
16011 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
16012 (HAVE_POST_INCREMENT): Define.
16013 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
16014 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
16015 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
16016 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
16017 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
16018 (zero_extend to SI from QI/HI): Likewise.
16019 (sign_extend to SI from QI/HI): Likewise.
16020 (mulsidi3, umulsidi3): New patterns for the AM33.
16021 (tstsi with zero extension from QI/HI): Add AM33 variants.
16022 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
16023 (return_internal_regs, store_movm): Handle new AM33 registers.
16024 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
16025 (LIBGCC, INSTALL_LIBGCC): Likewise.
16026 * invoke.texi: Document new flags.
16028 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16030 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
16031 (addsi3_carry): Likewise.
16032 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
16033 (sbbsi3_carry): Likewise.
16034 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
16035 (mulhi3): Likewise.
16036 (test?i_1): Ensure that only one operand is memory.
16037 (conditional move patterns): likewise.
16038 (shift and rotate patterns): Rewrite to expander, add
16039 "binary_operator_ok" to the condition.
16041 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
16042 * i386.h (procesor_costs): Add movzbl_load field.
16043 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
16044 non-Q registers, accept DImode registers anywhere.
16046 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
16047 * i386.c (*_cost): Set value for movxbl_load field.
16049 * (addsi): New add to lea splitter.
16050 (ashlsi): Likewise.
16051 (lea to add/shift peep2): New.
16053 1999-12-01 Mark Salter <msalter@cygnus.com>
16055 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
16056 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
16057 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
16059 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16061 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
16062 * i386.md (movsi_xor): New.
16064 (movsi_1, movhi_1, movqi_1): Remove.
16065 (movsi_2): Rename to movsi_1.
16066 (movhi_2): Rename to movhi_1.
16067 (movqi_2): Rename to movqi_1.
16068 (movdi_1): Remove; remove splitter.
16069 (movdi_2): Rename to movdi_1.
16070 (divmodsi4 splitter): Do not emit clobbers for move patterns.
16071 (long move peep2): Do not create QI or HI mode mov0s
16072 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
16074 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
16077 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
16078 (abs?f2_if): Likewise.
16080 1999-11-30 Alex Samuel <samuel@codesourcery.com>
16082 * ggc.h (ggc_test_and_set_mark): New macro.
16083 (ggc_mark_rtx): Use ggc_test_and_set_mark.
16084 (ggc_mark_tree): Likewise.
16085 (ggc_mark_rtvec): Likewise.
16086 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
16088 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
16090 * dwarf2out.c (scope_die_for): Only handle types. Only search for
16092 (decl_scope_table): Just an array of trees now.
16093 (push_decl_scope): Simplify.
16094 (dwarf2out_init): Adjust.
16095 (local_scope_p): New fn.
16096 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
16097 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
16098 (gen_typedef_die): Likewise.
16099 (gen_lexical_block_die): Don't call push/pop_decl_scope.
16100 (gen_inlined_subroutine_die): Likewise.
16101 (gen_abstract_function): Set current_function_decl temporarily.
16102 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
16103 Handle block extern declarations. Don't call push/pop_decl_scope.
16104 (gen_decl_die): Fix logic for block externs.
16106 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16108 * calls.c (special_function_p): Remove `realloc' and add `strdup'
16109 to the list of functions which have attribute malloc by default.
16111 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16113 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
16114 integer constant does not match the traditional type, limit the
16115 warnings to cases where the base of the type is ten.
16117 * invoke.texi (-Wtraditional): Document it.
16119 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16121 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
16122 * rs6000.md: Only access a CONST_INT with INTVAL
16124 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
16126 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
16127 (compute_nearerout): Likewise.
16128 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
16129 size_t to unsigned long for formatting.
16131 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16133 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
16134 Allow the user to override call-used/fixed state of %g2-5
16135 registers from the command line (with the exception of %g4 for
16137 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
16138 there is a higher chance of having a leaf function.
16139 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
16140 for ARCH64 which has %ccr register.
16141 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
16143 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
16144 insn accept into delay slot any insn which does not use %[ol]
16145 registers. Accept some LO_SUM and shift left by 1 for the normal
16147 (output_function_epilogue): Likewise.
16148 (epilogue_renumber): Added argument which inhibits any renumbering
16149 and just tests if the rtx does not use any %[ol] registers.
16150 (output_return): Reflect above change.
16152 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16154 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
16155 aggregate passing for sizes <= 16 bytes.
16157 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
16159 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
16160 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
16161 * reload.c (find_dummy_reload): Likewise.
16162 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
16163 * reload1.c (reload_as_needed): Likewise.
16164 * stupid.c (stupid_find_reg): Likewise.
16165 * tm.texi (Obsolete Register Macros): Delete section.
16166 * gmicro.h: Remove all traces of the two macros.
16167 * i386.h: Likewise.
16168 * m88k.h: Likewise.
16169 * mips.h: Likewise.
16171 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
16173 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
16174 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
16175 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
16176 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
16177 units for the sparclite86x chip.
16178 (flush): Revert October 14th change; add SImode specifically.
16179 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
16180 * invoke.texi: Document it.
16182 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
16184 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
16185 psimode_truncation_operand.
16187 * config/mn10200/mn10200.c (psimode_truncation_operand): New
16188 function. Return true if the operand is either a MEM valid
16189 for a PSImode address or not a MEM at all.
16191 * config/mn10200/mn10200.md (truncsipsi2): Use
16192 psimode_truncation_operand.
16194 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16196 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
16197 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
16198 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
16199 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
16200 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
16201 (flow_loop_level_compute, low_loops_level_compute): Likewise.
16202 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
16203 * basic-block.h: Protect from multiple inclusion.
16204 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
16205 (struct loops, struct loop): Define structures.
16206 * sbitmap.c (sbitmap_a_subset_b_p): New function.
16207 * sbitmap.h: Protect from multiple inclusion.
16208 (sbitmap_a_subset_b_p): Add prototype.
16209 * Makefile.in (LOOP_H): New macro.
16210 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
16212 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
16214 * cppinit.c (CAT): The argument list of this macro may not contain
16217 1999-11-29 David S. Miller <davem@redhat.com>
16219 Move quantity tables and register equivalence chains into
16220 per-qty and per-register structure arrays respectively.
16221 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
16222 qty_const_insn, qty_comparison_code, qty_comparison_const,
16223 qty_comparison_qty): Delete, replace with...
16224 (qty_table): this structure table.
16225 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
16226 (reg_eqv_table): this structure table.
16227 (make_new_qty): Add argument MODE. Caller updated.
16228 Update to use qty_table and reg_eqv_table.
16229 (make_regs_eqv, delete_reg_equiv, insert_regs,
16230 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
16231 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
16232 cse_process_notes, cse_main, cse_basic_block): Likewise.
16234 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16236 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
16237 operation if C is negative.
16238 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
16239 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
16240 law for some divisions if constant is negative and change other
16241 divisions to the opposite rounding.
16243 * expr.c (store_constructor_field): If bit position is not multiple
16244 of alignment of TARGET's mode, use BLKmode.
16246 * expr.c (expand_expr_unaligned): Add more code from full case
16247 that is needed when OP0 is in a register.
16249 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16251 * dwarfout.c (field_byte_offset): Size can be zero if there was
16254 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16256 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
16257 (associate_trees): Delete unused var TEM.
16258 (extract_muldiv): Delete unused var CANCEL_P.
16260 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16261 (target_isinf, target_isnan, target_negative): Add return types to
16262 function definitions.
16264 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16266 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16267 * fixinc/hackshell.tpl: ditto
16268 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16269 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16271 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16273 * reload.c (push_reload): When looking for a register to put into
16274 reg_rtx, make sure all hard regs in a multi-reg register are in the
16275 right class and nonfixed.
16277 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16278 pending_read_insns, pending_write_insns, pending_read_mems,
16279 pending_write_mems, pending_list_length, last_pending_memory_flush,
16280 last_function_call, sched_before_next_call): Move static variables
16282 (bb_ prefixed versions): Replace with single array bb_deps.
16283 (struct deps): New structure.
16284 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16285 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16286 argument of type "struct deps *"; use that instead of global
16287 variables. All callers changed.
16288 (init_rgn_data_dependencies): Delete function.
16289 (init_rtx_vector): Delete function.
16290 (init_deps): New function.
16292 (free_pending_lists): Simplify, we always use the bb_deps array even
16293 if only one basic block.
16294 (compute_block_backward_dependences): Likewise.
16295 (schedule_region): Likewise.
16297 (propagate_deps): New function, broken out of
16298 compute_block_backward_dependences.
16299 (compute_block_backward_dependences): Use it.
16301 * alpha.md: Delete useless patterns that tried to work around
16302 register elimination problems.
16304 * unroll.c (loop_iterations): Don't abort if iteration variable
16307 From Joern Rennecke:
16308 * reload1.c (reloads_conflict): Reverse test comparing operand
16309 numbers when testing for conflict between output/outaddr reloads.
16311 1999-11-29 David S. Miller <davem@redhat.com>
16313 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16315 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16317 1999-11-28 Robert Lipe <robertl@cygnus.com>
16319 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16320 table from .fini into .dtor.
16322 1999-11-28 Anthony Green <green@cygnus.com>
16324 * tree.h (struct tree_decl): Add malloc_flag.
16325 (DECL_IS_MALLOC): Define.
16326 * c-common.c (attrs): Add A_MALLOC attribute.
16327 (init_attributes): Add this attribute to the table.
16328 (decl_attributes): Handle malloc attribute.
16329 * calls.c (special_function_p): Check for the malloc attribute.
16330 * extend.texi (Function Attributes): Document malloc attribute.
16332 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16334 * pa.md (reload shift-add patterns): Remove.
16336 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16338 * reorg.c (dbr_schedule) Print more statistics. Corrected
16339 problem when printing info when 3 delay slots are filled.
16341 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16343 * combine.c (setup_incoming_promotions): Pass an outgoing
16344 regno to FUNCTION_ARG_REGNO_P which it expects.
16346 1999-11-28 Andreas Jaeger <aj@suse.de>
16348 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16350 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16352 * cccp.c (do_include): Avoid initialization of automatic variable.
16354 * integrate.c (mark_stores): Function definition made void, to match
16355 previous declaration.
16356 * regclass.c (dump_regclass): Ditto.
16357 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16359 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16361 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16362 known to be multiple of divisor.
16364 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16366 * combine.c (try_combine): Add code to try to merge a set of a
16367 two-word pseudo to a constant with a setting of one of those words
16370 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16371 (split_tree): Completely rework to make more general.
16372 (make_range, fold): Call negate_expr.
16373 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16374 (fold, associate): Call new split_tree and associate_trees.
16375 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16377 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16379 * loop.c (try_copy_prop): Avoid GNU C extension.
16381 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16383 * except.c (init_eh_for_function): Still zero eh_return_context,
16384 eh_return_stack_adjust, and eh_return_handler.
16386 * except.h (eh_status): Adjust documentation for x_protect_list.
16387 (begin_protect_partials): New function.
16388 * except.c (enqueue_eh_entry): Fix formatting.
16389 (get_first_handler): Add consistency check.
16390 (add_partial_entry): Adjust usage of protect_list.
16391 (emit_cleanup_handler): Save and restore ehqueue.
16392 (expand_start_all_catch): Add comment.
16393 (begin_protect_partials): New function.
16394 (end_protect_partials): Adjust usage of protect_list.
16395 (init_eh_for_function): Use xcalloc.
16397 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16399 * c-common.c (check_format_info): Don't call a variadic function
16400 with a non-literal format string.
16402 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16404 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16405 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16408 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16411 * collect2.c (collect_wait): Likewise.
16413 * dbxout.c (dbxout_type): Likewise.
16415 * gcc.c (do_spec_1): Likewise.
16417 * genemit.c (gen_insn, gen_expand): Likewise.
16419 * genrecog.c (write_switch, write_subroutine): Likewise.
16421 * mips-tfile.c (catch_signal, botch): Likewise.
16423 * print-rtl.c (print_rtx): Likewise.
16425 * toplev.c (default_print_error_function, report_error_function,
16426 _fatal_insn): Likewise.
16428 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16430 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16432 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16434 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16435 operations when needed.
16436 * i386.md (fop_?f_comm): New.
16437 (fop_?f_1): Do not accept commutative operands.
16439 1999-11-25 Andreas Jaeger <aj@suse.de>
16441 * config/mips/mips.md (casesi_internal): Add missing brace.
16443 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16445 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16446 (splice_child_die): Handle moving a child DIE from the declaration
16447 DIE of a class to its specification.
16448 (gen_struct_or_union_type_die): Use 'complete' consistently.
16449 (gen_decl_die): Generate the virtual context DIE first.
16450 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16452 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16454 * config/mips/mips.md (call_value_multiple_interanal1): New.
16456 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16458 * dwarf2out.c (free_AT, free_die): New fns.
16459 (remove_children): Call them.
16460 (output_line_info): Disable removal of duplicate notes.
16462 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16463 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16464 means pretend the type isn't defined.
16465 Don't defer emitting types.
16466 (gen_type_die_for_member): New fn.
16467 (gen_decl_die): Call it.
16468 (splice_child_die): New fn.
16469 (gen_member_die): Call it rather than generate duplicate dies.
16471 Defer emitting information for the abstract instance of an inline
16472 until we either inline it or emit an out-of-line copy.
16473 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16474 from output_inline_function if DECL_ABSTRACT is also set.
16475 (block_ultimate_origin): Likewise.
16476 (gen_abstract_function): New fn.
16477 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16478 (gen_subprogram_die): An abstract instance is not a declaration
16479 just because it doesn't match current_function_decl. Don't abort
16480 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16481 has an abstract origin.
16482 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16483 abstract instance here.
16485 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16487 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16488 where we need to reload fpul from a system register.
16490 1999-11-24 Andreas Jaeger <aj@suse.de>
16492 * config/mips/linux.h (CPP_PREDEFINES): Added.
16493 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16495 1999-11-24 Andreas Jaeger <aj@suse.de>
16497 * config/mips/linux.h (TARGET_VERSION): Added.
16498 (HANDLE_SYSV_PRAGMA): Added.
16499 (DEFAULT_VTABLE_THUNKS): Added.
16501 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16503 * local-alloc.c (qty): New structure and static variable.
16504 (qty_phys_reg): Remove, all references changed to qty.
16505 (qty_n_refs): Likewise.
16506 (qty_min_class): Likewise.
16507 (qty_birth): Likewise.
16508 (qty_death): Likewise.
16509 (qty_size): Likewise.
16510 (qty_mode): Likewise.
16511 (qty_n_calls_crossed): Likewise.
16512 (qty_alternate_class): Likewise.
16513 (qty_changes_size): Likewise.
16514 (qty_first_reg): Likewise.
16515 (alloc_qty): Rename variable QTY to QTYNO.
16516 (finf_free_reg): Likewise.
16517 (local_alloc): Allocate qty, do not allocate the removed variables.
16519 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16521 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16522 when -membedded-pic is passed.
16524 * config/mips/mips.md (casesi): Handle 64-bit case too.
16525 (casesi_internal_di): New insn.
16527 * config/mips/mips.c (embedded_pic_offset): Always make the
16528 embedded-pic subtractions relative to the name of the current
16529 function by use of the magic string "..CURRENT_FUNCTION".
16530 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16532 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16534 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16535 of (const_int 0), when what we really care about is
16536 whether it's a zero constant anyway.
16537 (div_trap_mips16): Likewise.
16539 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16541 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16542 unroll_block_trees when generating debuggable code.
16544 * tree.h (unsave_expr_1): New function.
16545 (lang_unsave): New variable.
16546 (get_callee_fndecl): New function.
16547 * tree.c (unsave_expr_now_r): New function.
16548 (lang_unsave): Define.
16549 (unsave_expr_1): Likewise.
16550 (unsave_expr_now_r): Split out from unsave_expr_now.
16551 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16552 call unsave_expr_now_r.
16553 (get_callee_fndecl): Define.
16555 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16556 (gencheck.o): Do depend on lang_tree_files.
16558 * integrate.h (copy_decl_for_inlining): New declaration.
16559 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16560 (copy_decl_for_inlining): New function.
16561 (integrate_parm_decls): Use it.
16562 (integrate_decl_tree): Likewise.
16564 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16566 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16567 the second two from the first.
16568 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16569 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16570 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16572 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16573 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16576 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16578 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16579 needed on the address operand.
16580 * pa.c (call_operand_address): Check for the correct mode.
16582 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16584 * loop.c: Include "basic-block.h".
16585 (try_copy_prop, replace_loop_reg): New functions.
16586 (load_mems): Detect registers that just hold copies of the hoisted
16587 mem, and call try_copy_prop to eliminate them.
16588 * Makefile.in (loop.o): Update dependencies.
16590 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16592 * Makefile.in (gencheck.o): Depend on gencheck.h.
16593 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16594 (insn-peep.o): Depend on except.h and function.h.
16595 (insn-attrtab.o): Depend on RECOG_H.
16596 (insn-output.o): Depend on toplev.h and flags.h.
16597 (gengenrtl.o): Depend on real.h.
16598 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16599 Unify all dependencies to be on RECOG_H rather than recog.h.
16601 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16603 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16604 * configure.in: Try building a bi-arch 32/64-bit compiler on
16605 sparc-*-solaris2.7 and higher.
16606 * configure: Rebuild.
16608 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16610 * config/freebsd.h: New, FreeBSD architecture independent file.
16611 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16612 independent pieces.
16613 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16614 directly by i386/freebsd.h.
16615 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16616 independent configuration file.
16617 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16618 directly by i386/freebsd.h.
16619 * configure: Rebuilt.
16621 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16622 which is in the user's namespace.
16623 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16624 `i386' which is not in our namespace.
16626 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16628 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16630 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16632 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16633 (add_dwarf_attr, add_child_die): Just push onto the front.
16634 (reverse_die_lists): New fn.
16635 (add_sibling_attributes): Use it.
16636 (push_decl_scope): Reorganize.
16637 (add_name_and_src_coords_attributes): Don't set file and line for
16638 an artificial decl.
16639 (gen_subprogram_die): An artificial function doesn't need to match
16641 (gen_compile_unit_die): Return the generated die. Only add
16642 AT_comp_dir if the filename is relative.
16643 (remove_AT): Simplify loop. Also free string values.
16644 (output_die): A DIE ref can't be null.
16645 (output_value_format, value_format): Take a dw_attr_ref.
16646 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16647 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16648 AT_addr, AT_lbl): New fns.
16649 (various): Use them.
16650 (various): Constify.
16652 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16654 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16655 take SUBREG_WORD into account.
16656 (if_then_else_cond): Likewise.
16658 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16660 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16661 clause from BSD license, pursuant with
16663 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16665 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16667 * loop.c (load_mems): Reformat slightly.
16668 * basic-block.h (regset_head): New typedef.
16669 (INIT_REG_SET): New macro.
16671 1999-11-22 Bruce Korb <autogen@linuxbox.com
16673 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16674 (mips-dec-bsd*): non-functional code
16675 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16677 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16678 added three replacement fixes
16679 (no_double_slash): removed comments that are not (any longer) pertinent
16680 (bad_lval): this fix currently runs against many files.
16681 The comment seems to indicate that we should select for files
16682 containing 'pragma extern_prefix'.
16684 * fixinc/fixinc.x86-linux-gnu: deleted
16685 * fixinc/inclhack.sh: regen
16686 * fixinc/fixincl.x: regen
16687 * fixinc/fixincl.sh: regen
16689 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16691 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16692 its code is INSN and it has no notes.
16694 1999-11-22 Andrew Haley <aph@cygnus.com>
16696 * varasm.c (function_defined): Remove.
16697 (make_function_rtl): Don't set function_defined.
16698 (make_decl_rtl): Remove global register warning.
16699 * regclass.c (no_global_reg_vars): New variable.
16700 (globalize_reg): Warn if function has already been defined.
16701 (regclass_init): Set no_global_reg_vars.
16703 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16705 * regclass.c (reg_pref): New structure and static variable
16706 (prefclass): Delete.
16707 (altclass): Delete.
16708 (all uses of prefclass and altclass): Use reg_pref instead.
16710 1999-11-21 Nick Clifton <nickc@cygnus.com>
16712 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16714 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16715 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16716 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16718 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16720 * varasm.c (output_constructor): Solve problem with long long
16721 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16723 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16725 * global.c (allocno): New structure and static variable.
16726 (allocno_reg): Remove, all references replaced by allocno.
16727 (allocno_size): Likewise.
16728 (hard_reg_conflicts): Likewise.
16729 (hard_reg_preferences): Likewise.
16730 (hard_reg_copy_preferences): Likewise.
16731 (hard_reg_full_preferences): Likewise.
16732 (regs_someone_prefers): Likewise.
16733 (allocno_calls_crossed): Likewise.
16734 (allocno_n_refs): Likewise.
16735 (allocno_live_length): Likewise.
16736 (find_reg): Rename ALLOCNO to NUM.
16738 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16739 references updated.
16740 (may_move_out_cost): New variable.
16741 (init_reg_sets_1): Initialize may_move_out_cost.
16742 (record_reg_classes): Use may_move_out_cost.
16744 * regclass.c (dump_regclass): New function.
16745 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16746 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16747 pass rtl_dump_file to regclass.
16748 * rtl.h (regclass): Update prototype.
16750 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16752 * i386.md (neg, not and abs patterns): Revmap to use
16753 ix86_expand_unary_operator and ix86_unary_operator_ok.
16754 (add?f and sub?f expanders): Force operand 1 to register.
16755 * i386.c (ix86_expand_unary_operator): Rewrite.
16756 (ix86_unary_operator_ok): Ensure that memory operands
16758 (ix86_binary_operator_ok): Do not allow operand 1 to
16759 come into memory and operand 0 not.
16760 (ix86_expand_binary_operator): Ensure that
16761 src1 is not non-matching memory.
16763 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16764 to support integer registers and memory.
16765 (abss?2_integer): Likewise.
16767 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16768 (REG_CLASS_NAMES): Likewise.
16769 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16771 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16772 (movsf): Likewise; unify 4th and 5th alternative.
16773 (pushdf): Likewise.
16774 (movdf_1): Likewise; rename to movdf_integer.
16775 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16776 remove redundant splitter.
16777 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16778 (movdf_nointeger): New.
16779 (movxf_nointeger): New.
16780 (pushxf_nointeger): New.
16782 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16783 memory operands in patterns.
16784 (fop*): Refuse two memory operands.
16786 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16787 on !TARGET_USE_CLTD CPUs.
16789 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16791 * extend.texi: Document C++ restricted pointers and references.
16793 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16795 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16796 (invalidate_skipped_set): Call it unconditionally.
16797 (cse_set_around_loop): Likewise.
16799 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16801 * rtl.texi (mem): Add documentation for alias-set argument
16804 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16806 * i386.h (struct_processor_costs): New fields int_load, int_store,
16807 fp_move, fp_load and fp_store
16808 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16810 (MEMORY_MOVE_COST): New macro.
16811 * i386.c (386_cost): Define new fields.
16812 (i486_cost): Likewise.
16813 (pentium_cost): Likewise.
16814 (pentiumpro_cost): Likewise.
16815 (k6_cost): Likewise.
16817 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16818 Geoffrey Keating <geoffk@cygnus.com>
16820 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16822 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16825 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16826 (TARGET_STRICT_ALIGNMENT): New macro.
16827 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16828 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16829 * invoke.texi (M680x0 Options): Document -mstrict-align.
16831 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16832 Richard Henderson <rth@cygnus.com>
16834 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16835 (ix86_split_long_move): Declare.
16836 * i386.c (split_xf, ix86_split_movdi): Remove.
16837 (ix86_split_to_parts, ix86_split_long_move): New.
16838 * i386.md (dimode move splitters): Use ix86_split_long_move.
16839 (dfmode move splitters): Likewise.
16840 (xfmode move splitters): Likewise.
16841 (movsf_1): Allow F->r.
16842 (movdf_1, movxf_1): Allow F->ro.
16844 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16846 * except.h (struct eh_entry): Add goto_entry_p.
16847 (eh_region_from_symbol): Remove prototype.
16848 * except.c (find_func_region_from_symbol): New function.
16849 (emit_cleanup_handler): Likewise.
16850 (eh_region_from_symbol): Make it static.
16851 (add_new_handler): Verify the argument.
16852 (find_func_region): Update comment.
16853 (expand_eh_region_end): Expand handlers here, rater than waiting
16854 until expand_leftover_cleanups or start_all_catch.
16855 (expand_leftover_cleanups): Don't expand here.
16856 (expand_start_all_catch): Or here.
16857 (expand_rethrow): Check the return value from find_func_region.
16858 * function.c (expand_function_end): Emit the catch_clauses.
16860 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16862 * integrate.c (expand_inline_function): Add necessary check for NULL.
16864 1999-11-18 Nick Clifton <nickc@cygnus.com>
16866 * toplev.c (main): Correctly detect an unrecognised option.
16868 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16869 a -f option if it has not been recognised.
16871 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16873 * basic-block.h (update_life_extent): Remove trailing comma on
16874 enumeration type list.
16876 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16878 * varasm.c (output_constructor) Solved problem with long long
16879 bitfields. Corrected calculating this_time and shift. Also
16880 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16882 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16884 * flow.c (split_edge): Take looping structure into account when
16885 determining where to put the new block note.
16887 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16889 * Makefile.in (ggc-none.o): Provide host specific version if
16892 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16894 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16895 containing subregs too.
16897 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16899 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16900 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16901 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16902 (text_section): Add switches -munint-const-in-rodata and
16903 -mno-uninit-const-in-rodata.
16904 (ASM_OUTPUT_COMMON): Remove.
16905 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16906 const objects should be placed in read-only data. Otherwise declare
16909 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16911 * jump.c (jump_optimize_1): Revert last change.
16913 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16915 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16916 test if optimizing for size.
16918 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16920 * Makefile.in (toplev.o): Depend on except.h.
16921 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16923 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16925 * i386.md (divmodsi4): Rewrite to expander.
16926 (*divmodsi4_nocltd): New.
16927 (*divmodsi4_cltd): New.
16928 (divmodsi4 splitter): Handle the case when input comes in edx.
16929 (udivmodhi4): Do not use constraints in exander.
16930 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16932 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16934 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16935 for the common case.
16937 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16939 * explow.c (hard_function_value): Add outgoing argument.
16940 * expr.h (hard_function_value): Declare it.
16941 * calls.c (expand_call, emit_library_call_value): Update callers.
16942 * function.c (aggregate_value_p): Ditto.
16943 (diddle_return_value): Must look at the outgoing registers
16944 on archs with register windows.
16946 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16948 * alpha.c (alpha_build_va_list): Use make_lang_type and
16949 initialize TYPE_NAME for the va_list record.
16951 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16953 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16955 * ggc.h (struct ggc_statistics): Rearrange elements for better
16956 packing on 64-bit hosts.
16957 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16958 (compute_nearerout): Likewise.
16960 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16962 * config/rs6000/rs6000.c (first_reg_to_save): Save
16963 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16965 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16967 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16968 notion of nesting to find the DIE for a type or function.
16969 DIEs can go in limbo even if we got a context_die.
16970 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16971 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16973 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16974 (gen_type_die): Writing out the context doesn't cause member class
16975 template instantiations to be written out as well.
16977 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16979 * rs6000.h (ASM_OUTPUT_DEF): New.
16980 Based on proposed addition from David Edelsohn.
16982 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16983 Bruce Korb <autogen@linuxbox.com>
16985 * fixinc/inclhack.def
16986 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16987 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16989 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16990 (svr4_endian): enabled with SVR5
16991 (svr4_mkdev): simplified syntax and enabled with SVR5
16993 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16995 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16996 * configure: Rebuilt.
16997 * config/t-freebsd-thread: New file.
16999 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
17001 * i386.c (ix86_decompose_address): Verify the base is a REG
17002 before trying to examine its register number.
17004 * basic-block.h: Remove all #defines and prototypes related to
17006 (free_bb_mem, compute_preds_succs): Remove prototype.
17007 * rtl.h (free_bb_mem): Remove prototype.
17008 * flow.c (alloc_int_list_node); Remove function.
17009 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
17010 (compute_preds_succs, free_bb_mem): Likewise.
17011 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
17012 * toplev.c (rest_of_compilation): Likewise.
17013 * haifa-sched.c (build_control_flow): Use flow generated edge
17014 list to build the haifa specific edge list.
17015 (find_rgns): Use new CFG data structures instead of pred/succ lists.
17016 (schedule_insns): Do not build pred/succ lists anymore. Instead
17017 build the edge table.
17019 * basic-block.h (dump_bb_data): Remove declaration.
17020 * flow.c (dump_bb_data): Remove function.
17021 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
17022 (sbitmap_union_of_predsucc): Likewise.
17024 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
17025 argument. All callers changed.
17026 (delete_null_pointer_checks_1): No longer need to compute the
17029 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
17030 All callers changed.
17031 (pre_expr_reaches_here_p_work): Likewise.
17032 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
17033 * lcm.c (compute_laterin): Fix initialization of LATER.
17034 (compute_nearerout): Similarly for NEARER.
17036 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17038 * cse.c (set_nonvarying_address_components): Delete unused function.
17039 (refers_to_p): Likewise.
17041 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
17043 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
17046 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17048 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
17049 definition in do while (0).
17051 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
17053 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
17055 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
17057 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
17059 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17061 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
17062 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
17063 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
17064 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
17066 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
17067 saved on the stack. Output more accurate stack frame statistics
17068 into assembler file.
17070 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
17072 * genextract.c (record_insn_name): New function.
17073 (get_insn_name): No longer a stub.
17074 (main): Call record_insn_name for each insn. After each label
17075 written, print the insn name in a comment.
17077 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17079 * output.h (const_section, init_section, fini_section): Add
17082 * alpha/elf.h (const_section): Delete declaration.
17084 * svr4.h (const_section): Likewise.
17086 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
17088 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
17089 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
17090 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
17092 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
17093 variable-sized array bounds.
17095 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
17097 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
17100 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17102 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
17103 addresses the same way GO_IF_LEGITIMATE_INDEX does.
17105 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17107 * cse.c (hash_arg_in_struct): Delete.
17108 (struct table_elt): Delete elt in_struct.
17109 (struct set): Delete elt src_in_struct.
17110 (merge_equiv_classes): Don't set either hash_arg_in_struct or
17111 the corresponding in_struct elts.
17112 (canon_hash): Likewise.
17113 (safe_hash): Likewise.
17114 (find_best_addr): Likewise.
17115 (record_jump_cond): Likewise.
17116 (cse_insn): Likewise.
17118 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
17120 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
17122 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
17125 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
17127 * function.c (diddle_return_value): Put back check that the DECL_RTL
17128 for the function is a register.
17130 * function.c (diddle_return_value): Use hard_function_value to
17131 get an rtx suitable for use in the USE/CLOBBER insn.
17133 * global.c (global_conflicts): Update comments.
17134 (record_conflicts): No need to record conflicts between pseudos here.
17136 1999-11-11 Bruce Korb <autogen@linuxbox.com>
17138 * fixinc/fixincl.c: Added verbose levels for status messages
17140 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17142 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
17143 operand as argument to expand_and or expand_binop.
17145 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
17147 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
17148 gcc_add_string_root.
17150 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
17152 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
17154 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
17156 * flow.c (compute_flow_dominators): Initially put all blocks on
17158 * lcm.c (compute_antinout_edge, compute_available): Similarly.
17159 * gcse.c (compute_cprop_avinout): Remove.
17160 (compute_cprop_data): Use compute_available.
17161 (delete_null_pointer_checks_1): Use compute_available.
17163 * basic-block.h (compute_available): Returns a void now.
17164 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
17165 to return a value anymore.
17166 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
17167 worklists. Fix boundary cases. Compute maximal solutions.
17168 (compute_laterin, compute_nearerout): Similarly.
17170 * dwarf2out.c (add_AT_location_description): Allow
17171 (mem (plus (pseudo) (...)) too.
17173 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
17175 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
17177 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
17178 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17180 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
17182 * gansidecl.h: Likewise.
17188 * toplev.h: Likewise.
17190 * tree.c: Likewise.
17192 * tree.h: Likewise.
17194 * varray.c: Likewise.
17196 * varray.h: Likewise.
17198 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
17200 * gcov.c (struct arcdata): Add hits and total, remove prob.
17201 (output_branch_counts): New.
17202 (process_args): Set output_branch_counts if -c.
17203 (calculate_branch_probs): Store hits and total instead of
17205 (output_data): Emit counts if output_branch_counts is true.
17206 * gcov.texi (Invoking Gcov): Document -c switch..
17208 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
17210 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
17211 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
17213 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
17215 * invoke.texi (C Dialect Options): Add missing builtins from
17216 c-common.c to list.
17217 * extend.texi (Other Builtins): Copy to this list.
17219 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17221 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
17222 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
17223 redundant bitmap.h.
17225 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
17227 * flow.c (compute_flow_dominators): No longer treat basic block 0
17228 or (n_basic_blocks - 1) specially. Clear the AUX field before
17229 starting computation of doms/pdoms. Fix initial state for pdoms.
17231 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17233 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
17234 match rtl.o's: added ggc.h and toplev.h
17235 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
17236 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
17237 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
17239 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
17241 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
17242 from HAVE_DOS_BASED_FILESYSTEM.
17243 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
17244 HAVE_DOS_BASED_FILESYSTEM.
17246 (split_directories): Only special-case DOS file names if
17247 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
17248 instead of explicit tests. Conditionalize on !VMS.
17249 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
17250 tests. Conditionalize on !VMS.
17251 (process_command): Only use make_relative_prefix if !VMS.
17252 (free_split_directories): Conditionalize on !VMS.
17253 (DIR_UP): Conditionalize on !VMS.
17255 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
17257 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
17259 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17261 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17264 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17266 * invoke.texi (Environment Variables): Document relative path
17268 * gcc.c (DIR_UP): If not defined, define as "..".
17269 (standard_bindir_prefix): New static, holds target location to
17271 (split_directories): New function to split a filename into
17272 component directories.
17273 (free_split_directories): New function, release memory allocated
17274 by split_directories.
17275 (make_relative_prefix): New function, make a relative pathname if
17276 the compiler is not in the expected location.
17277 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17278 can figure out an appropriate prefix from argv[0].
17279 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17280 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17281 STANDARD_BINDIR_PREFIX.
17283 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17285 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17287 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17288 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17289 c4x_secondary_memory_needed) Delete.
17290 (fp_zero_operand): Add mode argument.
17292 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17294 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17295 that is in reload_reg_used.
17297 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17299 * config/arm/arm-protos.h: New file: Prototypes for functions
17300 defined in arm.c and pe.c.
17301 * config/arm/arm.h: Fix compile time warnings.
17302 * config/arm/arm.c: Fix compile time warnings.
17303 * config/arm/pe.h: Fix compile time warnings.
17304 * config/arm/aout.h: Fix compile time warnings.
17306 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17308 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17311 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17312 Add support for subtargets.
17313 Add prototypes for new predicates.
17314 Add scheduling macros.
17316 * config/m32r/m32r.c: Fix compile time warnings.
17317 (int8_operand): New predicate function.
17318 (reg_or_cmp_int16_operand): New predicate function.
17319 (extend_operand): New predicate function.
17320 (m32r_adjust_code): New scheduling function.
17321 (m32r_adjust_priorty): New scheduling function.
17322 (m32r_sched_init): New scheduling function.
17323 (m32r_sched_reorder): New scheduling function.
17324 (m32r_sched_variable_issue): New scheduling function.
17325 (direct_return): New codegen function.
17326 (m32r_not_same_reg): New rtl testsing function.
17328 * config/m32r/m32r.md: Fix compile time warnings.
17329 Add support for pre decrement and post increment memory
17331 Add S<cc> patterns.
17334 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17336 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17337 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17338 (find_reg): Likewise.
17340 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17342 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17343 to avoid assembler errors.
17345 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17347 * config/v850/v850-protos.h: New file: Prototypes for functions
17349 * config/v850/v850.h: Move prototypes to v850-protos.h
17350 * config/v850/v850.c: Move prototypes to v850-protos.h
17351 * config/v850/v850.md: Fix compile time warnings.
17353 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17355 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17356 * config/fr30/fr30.c: Fix compile time warnings.
17357 * config/fr30/fr30.md: Fix compile time warnings.
17359 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17361 * tree.h (get_containing_scope): Declare it.
17362 * tree.c (get_containing_scope): New fucntion.
17363 (decl_function_context): Use it.
17364 * toplev.c (rest_of_compilation): Use get_containing_scope.
17366 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17368 * Makefile.in (rtl.o): Depend on toplev.h.
17370 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17372 * cse.c (delete_trivially_dead_insns): Replace alloca with
17374 * except.c (update_rethrow_references): Likewise.
17375 (init_eh_nesting_info): Likewise.
17376 * function.c (identify_blocks): Likewise.
17377 * gcse.c (dump_hash_table): Likewise.
17378 * graph.c (print_rtl_graph_with_bb): Likewise.
17379 * loop.c (combine_movables): Likewise.
17380 (move_movables): Likewise.
17381 (count_loop_regs_set): Likewise.
17382 (strength_reduce): Likewise.
17383 * profile.c (compute_branch_probabilities): New function, split
17385 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17386 * regclass.c (regclass): Likewise.
17387 * regmove.c (regmove_optimize): Likewise.
17388 * toplev.c (compile_file): Likewise.
17389 (main): Don't mess with the stack rlimit.
17391 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17393 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17394 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17396 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17398 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17400 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17402 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17403 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17406 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17408 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17410 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17412 * gcse.c (post_dominators): Kill.
17413 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17414 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17415 pass in a pdom array since we do not need pdoms.
17416 * haifa-sched.c (schedule_insns): Similarly.
17417 * flow.c (compute_dominators): Remove dead function.
17418 (compute_flow_dominators): Do not compute doms or pdoms if the
17419 caller does not request them. Split up loop to build doms and
17420 pdoms. Use a worklist to compute doms and pdoms.
17421 * basic-block.h (compute_dominators): Remove prototype.
17423 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17425 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17426 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17427 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17428 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17429 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17430 (schedule_region): Remove unused variable.
17431 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17433 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17435 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17436 (update_equiv_regs): Likewise.
17437 (block_alloc): Likewise.
17438 * reg-stack.c (reg_to_stack): Likewise.
17439 (convert_regs_2): Likewise.
17440 * reload1.c (reload_as_needed): Likewise.
17442 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17444 * Makefile.in (dbxout.o): Depend on ggc.h.
17445 (dwarf2out.o): Likewise.
17446 (xcoffout.o): Likewise.
17447 * dbxout.c: Include ggc.h.
17448 (dbxout_init): Register lastfile as a root.
17449 * dwarf2out.c: Include ggc.h.
17450 (dwarf2out_line): Register lastfile as a root.
17451 * xcoffout.c: Include ggc.h.
17452 (xcoffout_source_line): Register xcoff_lastfile as a root.
17454 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17456 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17458 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17460 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17462 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17464 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17466 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17467 (EXECUTE_IF_CONFLICT): Likewise.
17468 (ALLOCNO_LIVE_P): Avoid signed division.
17469 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17470 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17471 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17473 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17475 * haifa-sched.c (schedule_block): Don't crash if there's no
17476 next insn for an interblock movement.
17477 (add_branch_dependences): Don't allow clobber insns to move either.
17479 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17481 * i386.c (split_xf): New.
17482 * i386-protos.h: Declare it.
17483 * i386.md (movxf_1): Add general regs alternatives.
17484 (movxf_1+1): New splitter for same.
17486 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17488 * function.c (purge_addressof_1): Add missing return values.
17490 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17492 * function.c (is_addressof): New function. Returns true if
17493 the given piece of RTL is an ADDRESSOF.
17494 (purge_addressof_1): Make boolean. Return false if the
17495 ADDRESSOFs could not be purged.
17496 (purge_addressof): If ADDRESSOFs could not be purged from the
17497 notes attached to an insn, remove the offending note(s),
17498 unless they are attached to a libcall.
17500 1999-11-05 Andreas Jaeger <aj@suse.de>
17502 * genoutput.c (null_operand =): Initialize all fields.
17504 * errors.h: Add extern to prototypes.
17506 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17508 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17509 * configure: Rebuilt.
17511 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17513 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17514 (mirror_conflicts): New function.
17515 (global_alloc): Call it.
17516 (expand_preferences): Remove redundant CONFLICTP test.
17517 (find_reg, dump_conflicts): Likewise.
17518 (prune_preferences): Process conflicts one word at a time.
17520 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17522 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17523 instead of an explicit loop.
17525 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17527 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17528 if REG_RETVAL check succeeds, then put classp in src_elt.
17530 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17532 * function.c (pad_to_arg_alignment): Only update argument_pad
17533 if the argument's alignment is greater than STACK_BOUNDARY.
17535 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17537 * bitmap.h (BITMAP_XFREE): New.
17538 * flow.c (life_analysis): Use it.
17539 (life_analysis_1): Free blocks.
17541 * combine.c (undo_commit): New.
17542 (try_combine): Use it. Don't zap undobuf.undos.
17543 (combine_instructions): Don't zap undobuf.undos; free the
17544 undobuf.frees list.
17546 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17548 * stmt.c (cost_table_): New.
17549 (estimate_case_costs): Use it instead of xmalloc.
17551 * toplev.c (compile_file): Reuse dumpname memory instead
17554 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17556 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17557 after verifying an EH edge.
17559 * haifa-sched.c (init_rgn_data_dependences): Correctly
17560 size bb_pending_lists_length when zeroing.
17562 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17564 * function.c (diddle_return_value): New.
17565 (expand_function_end): Use it.
17566 * stmt.c (expand_null_return): Likewise.
17567 (expand_value_return): Likewise.
17569 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17571 * reload1.c (reload): Don't remove return value clobbers.
17573 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17575 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17577 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17579 * cse.c (cse_main): Use xmalloc, not alloca.
17580 (cse_basic_block): Likewise.
17581 * local-alloc.c (local_alloc): Likewise.
17583 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17584 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17586 * rtl.c: Include toplev.h.
17587 (fatal): Remove declaration.
17589 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17591 * haifa-sched.c (schedule_block): Fix thinko.
17593 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17595 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17596 S_IR* defined values
17598 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17600 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17601 call `malloc' instead.
17603 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17605 * flags.h (flag_renumber_insns): Declare.
17606 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17608 * rtl.h (renumber_insns): Change prototype.
17609 * toplev.c (flag_renumber_insns): Define.
17610 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17612 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17614 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17615 and fpsqrtd. Use them and create fdiv function unit to more
17616 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17617 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17619 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17621 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17623 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17624 insn into ready list, do not use just a raw swap.
17626 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17628 * rtl.h (renumber_insns): New function.
17629 (remove_unnecessary_notes): Likewise.
17630 * emit-rtl.c (renumber_insns): Define.
17631 (remove_unncessary_notes): Likewise.
17632 * toplev.c (rest_of_compilation): Remove dead code.
17633 Use renumber_insns and remove_unncessary_notes.
17635 * gcse.c (struct null_pointer_info): New type.
17636 (get_bitmap_width): New function.
17637 (current_block): Remove.
17638 (nonnull_local): Likewise.
17639 (nonnull_killed): Likewise.
17640 (invalidate_nonnull_info): Take a null_pointer_info as input.
17641 (delete_null_pointer_checks_1): New function.
17642 (delete_null_pointer_checks): Use it.
17644 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17645 (split_edges): Likewise.
17646 (schedule_block): Likewise.
17647 (compute_block_backward_dependencies): Likewise.
17648 (schedule_region): Likewise.
17649 (schedule_insns): Likewise.
17651 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17653 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17654 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17655 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17656 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17657 * jump.c (delete_unreferenced_labels): Don't delete if
17658 LABEL_ALTERNATE_NAME is set.
17659 * print-rtl.c (print_rtx): Dump alternate name.
17660 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17661 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17662 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17663 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17665 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17667 * fix-header.c (recognized_extern, recognized_function): Constify
17670 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17671 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17672 (compute_available): Remove unused variable `last'.
17673 (compute_nearerout): Remove unused variable `temp_bitmap'.
17674 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17675 Remove unused variable `x'.
17677 * scan.h (recognized_function, recognized_extern): Constify a
17680 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17682 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17684 * varasm.c (decode_rtx_const): Use XSTR to access the string
17687 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17689 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17691 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17693 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17695 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17697 * pa.c (ireg_operand): New function.
17698 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17699 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17700 Fix out of date comment.
17702 * pa.md (negdi2): Turn into expander + anonymous pattern.
17704 * reload.c (find_reloads): Fix typos in recent change.
17706 * dwarf2out.c: Do not include ctype.h.
17708 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17710 * regclass.c (record_reg_classes): Always use may_move_cost when
17711 seeing how operand fits with various register classes.
17713 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17715 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17716 * toplev.c: Revert Nov 1 13:22 change.
17718 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17720 * config/pa/pa.md (height reduction patterns): Add checks for
17721 overlapping operands to avoid semantic-destroying splits for
17722 height reduction patterns.
17724 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17726 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17727 have been an hyphen, fixed.
17728 * configure: Rebuilt.
17730 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17732 * config/arm/tpe.h: Add prototypes for exported functions.
17733 * config/arm/pe.c: Fix compile time warnings.
17734 * config/arm/semi.h: Fix compile time warnings.
17735 * config/arm/arm.c: Fix compile time warnings.
17736 * config/arm/arm.h: Fix compile time warnings.
17737 * config/arm/arm.md: Fix compile time warnings.
17738 * config/arm/thumb.c: Fix compile time warnings.
17739 * config/arm/thumb.h: Fix compile time warnings.
17740 * config/arm/thumb.md: Fix compile time warnings.
17742 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17744 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17747 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17748 completely unrolled.
17750 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17752 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17754 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17756 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17757 * rtl.h (rtx_equal_p): Move prototype.
17758 * rtl.c (rtx_equal_function_value_matters): Move from
17760 (rtx_equal_p): Likewise.
17761 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17762 (rtx_equal_p): Likewise.
17764 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17766 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17767 ! HAS_INIT_SECTION.
17769 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17771 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17773 * pa.h (ADDR_VEC_ALIGN): Define.
17775 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17776 notes when presented with "if (foo) break; end_of_loop" and
17777 the break sequence gets moved out of the loop.
17779 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17780 Remove explicit zero initializations of entries within MAP.
17782 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17784 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17786 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17788 * bitmap.h (BITMAP_XMALLOC): New macro.
17789 * flow.c (CLEAN_ALLOCA): Remove.
17790 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17791 (life_analysis): Likewise.
17792 (update_life_info): Don't use CLEAN_ALLOCA.
17793 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17794 (calculate_global_regs_live): Likewise.
17795 (print_rtl_with_bb): Likewise.
17796 (verify_flow_info): Likewise.
17797 * global.c (global_alloc): Likewise.
17798 (global_conflicts): Likewise.
17799 * integrate.c (save_for_inline_nocopy): Likewise.
17800 (expand_inline_function): Likewise.
17801 * jump.c (jump_optimize_1): Likewise.
17802 (duplicate_loop_exit_test): Likewise.
17803 (thread_jumps): Likewise.
17804 * loop.c (loop_optimize): Likewise.
17805 (combine_givs): Likewise.
17806 (recombine_givs): Likewise.
17807 * reorg.c (dbr_schedule): Likewise.
17808 * unroll.c (unroll_loop): Likewise.
17810 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17812 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17814 * toplev.c (rest_of_compilation): Don't optimize the CFG
17815 when rebuilding, just before dbr.
17817 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17819 * output.h (assemble_end_function, assemble_destructor,
17820 assemble_constructor, assemble_gc_entry, assemble_global,
17821 assemble_label, output_constant_pool) Constify a char*.
17823 * varasm.c (assemble_destructor, assemble_constructor,
17824 assemble_gc_entry, assemble_end_function, assemble_global,
17825 assemble_label, output_constant_pool): Likewise.
17827 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17829 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17830 explaining what is goin on in this function.
17832 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17834 * regclass.c (record_reg_classes): In matching case, recompute
17835 costs since the direction of movement is different.
17837 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17839 * resource.c (mark_target_live_regs): For unconditional branches,
17840 the resources found at the branch target should be added to the
17841 resources found so far, not intersected.
17843 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17845 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17847 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17848 (sys/mman.h): Include this file only if #HAVE_MMAP.
17849 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17850 with automatically concatenated ANSI strings.
17852 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17854 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17855 (DIV_ROUND_UP): Robustify.
17856 (ggc_recalculate_in_use_p): New function.
17857 (release_pages): Don't inline it.
17858 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17860 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17861 (clear_marks): Always save in_use_p.
17862 (sweep_pages): Use ggc_recalculate_in_use_p.
17863 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17864 Release pages before counting statistics.
17866 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17868 * toplev.c (rest_of_compilation): Fix thinko in this change:
17870 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17872 (rest_of_compilation): If inside an inlined external function,
17873 pretend we are just being declared.
17875 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17877 * flow.c (calculate_global_regs_live): Fix thinko.
17879 * integrate.c (expand_inline_function): Fix bugs in previous
17880 change from Oct 28, 1999.
17882 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17884 * stmt.c (expand_value_return): Fix typo in this change:
17886 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17887 (expand_value_return): Correctly convert VAL when promoting function
17888 return; support RETURN_REG being a PARALLEL.
17890 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17892 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17894 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17896 * hard-reg-set.h (reg_names): Constify a char*.
17898 * regclass.c (reg_names): Likewise.
17900 * regs.h (reg_names): Likewise
17902 * a29k/a29k.c (reg_names): Delete declaration.
17904 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17906 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17907 arc_output_function_epilogue): Likewise.
17909 * elxsi/elxsi.c (reg_names): Likewise.
17911 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17913 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17916 * m88k/m88k.c (output_function_profiler): Likewise.
17918 * sparc/sparc.c (sparc_flat_output_function_prologue,
17919 sparc_flat_output_function_epilogue): Likewise.
17921 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17923 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17924 warning from -Wuninitialized and put it under -W.
17925 * function.c (uninitialized_vars_warning): Warn only when the
17926 corresponding flag is set.
17928 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17930 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17931 is nonzero and the single set does not have an elt, then assign
17934 * simplify-rtx.c: New file.
17935 * Makefile.in (OBJS): Add simplify-rtx.o
17936 (simplify-rtx.o): Add dependencies.
17937 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17938 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17939 (cse_gen_binary, simplify_unary_operation): Delete.
17940 (simplify_binary_operation, simplify_plus_minus): Likewise.
17941 (check_fold_consts, simplify_relation_operation): Likewise.
17942 (simplify_ternary_operation): Likewise.
17943 (delete_trivially_dead_insns): Simplify the contents of the
17944 REG_EQUAL note before trying to substitute it into the source
17945 of the reg-reg copy at the end of a libcall sequence.
17947 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17948 references/callers changed.
17950 * mn10200.c (mn10200_va_arg): Force the return value into a
17953 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17955 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17958 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17960 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17962 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17964 * fold-const.c (fold): Fix thinko when optimizing comparisons
17967 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17969 * gcc.texi (Passes): Update front-end files to their current
17972 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17974 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17975 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17976 (PREDICATE_CODES): Add addition_operation.
17977 * alpha-protos.h (addition_operation): Declare.
17978 (secondary_reload_class): Likewise.
17979 * alpha.c (addition_operation): New.
17980 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17981 * alpha.md (adddi3): Turn into expander.
17982 (*lda, *adddi_2): New.
17983 (movsf, movdf patterns): Don't preference integer regs.
17984 (movsi, movdi patterns): Don't preference fp regs.
17986 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17988 * genrecog.c (write_switch): Check for duplicate CODE cases.
17990 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17992 * ggc-common.c: Update pre-function commentary.
17993 * ggc-page.c: Likewise.
17995 (poison_pages): Use memset directly.
17996 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17997 (ggc_collect): Poison before sweeping.
17998 * ggc-simple.c: Update pre-function commentary.
17999 (ggc_alloc_obj): Poison non-zeroed memory.
18001 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
18003 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
18004 match format string, even on 64-bit hosts.
18005 * gcc-page.c (ggc_page_print_statistics): Likewise.
18007 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
18009 * config/i386/i386.c (ix86_cpu): Revert last patch.
18010 * config/i386/i386.h (ix86_cpu): Ditto.
18012 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
18014 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
18015 TYPE_SIZE, convert type of result to sizetype.
18017 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
18019 * flow.c (count_or_remove_death_notes): Equate NULL with the
18022 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
18023 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
18026 * i386.c (pic_label_no): Delete.
18027 (ix86_attr_length_default): Don't use single_set to peek
18030 * recog.c (peephole2_optimize): Allow recog_next_insn to index
18031 the first insn after bb->end.
18032 * i386.md (push mem peeps): Scratch is live after evaluation
18034 (cmp mem peep): Similarly.
18036 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
18038 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
18039 * function.c (pad_to_arg_alignment): Add missing braces.
18041 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18043 * alpha/alpha-protos.h (literal_section): Add prototype.
18044 (alpha_need_linkage, alpha_start_function,alpha_end_function):
18047 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
18049 (alpha_start_function, alpha_end_function, float_strings,
18050 alpha_need_linkage): Constify a char*
18052 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
18054 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
18056 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
18058 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
18060 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18062 * flow.c (debug_flow_info): Add prototype.
18064 * gcc.c (main): Likewise.
18066 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
18069 * reload1.c (failed_reload, set_reload_reg): Likewise.
18071 * mips-tfile.c (main): Likewise.
18072 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
18073 with ATTRIBUTE_NORETURN.
18075 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
18077 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
18078 DECL is not a memory ref.
18080 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
18082 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
18083 * config/i386/i386.c (ix86_cpu): Add extern attribute.
18085 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
18087 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
18088 * config/mips/elf64.h: ditto.
18090 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
18092 * expr.c (emit_push_insn): New argument alignment_pad.
18093 Update all callers. Adjust stack pointer based on alignment pad.
18094 * function.c (pad_to_arg_alignment): New argument alignment_pad.
18095 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
18096 (locate_and_pad_parm): New argument alignment_pad. Update all
18098 * expr.h (emit_push_insn): Update prototype.
18099 (locate_and_pad_parm): Update prototype.
18100 * calls.c (arg_data): Add new field alignment_pad.
18101 (initialize_argument_information): Initialize alignment_pad.
18103 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
18105 * except.c (free_eh_nesting_info): Free the info itself.
18106 * function.c (free_after_compilation): Don't free NULL.
18107 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
18108 (pre_edge_insert): Free inserted.
18109 * stmt.c (free_stmt_status): Don't free NULL.
18111 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18113 * gcov.c (DIR_SEPARATOR): Provide default.
18114 (output_data): Add test for MS-DOS format absolute filename.
18115 (fancy_abort): Correct program name.
18116 (open_files): Open all files in binary mode.
18117 * libgcc2.c (__bb_exit_func): Likewise.
18119 * profile.c (init_branch_prob): Specify binary when opening files.
18121 * flags.h (flag_unwind_tables): New decl.
18122 * toplev.c (flag_unwind_table): New definition.
18123 (f_options): Add -funwind-tables.
18124 (decode_g_option): Clarify warning when unknown -g option is given.
18125 (rest_of_compilation): If inside an inlined external function,
18126 pretend we are just being declared.
18128 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
18129 (dwarf2out_frame_finish): Likewise.
18131 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
18133 * fold-const.c (merge_ranges): If not in0, but in1, handle
18134 upper bounds equal like subset case.
18136 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
18138 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
18139 passed in a register but moved to the stack.
18141 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
18143 * gcc.c (pass_exit_codes, greatest_status): New variables.
18144 (struct option_map): Add entry for "--pass-exit-codes".
18145 (execute): Update greatest_status if error.
18146 (display_help): Add documentation for -pass-exit-codes.
18147 (process_command): Handle -pass-exit-codes.
18148 (main): Look at pass_exit_codes and greatest_status on call to exit.
18150 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18152 * reload.c (find_reloads): Refine test for no input reload
18153 case to not includes reloads emitted after insn.
18155 * function.c (find_temp_slots_from_address): Handle sum involving
18156 a register that points to a temp slot.
18157 (update_temp_slot_address): Make recursive call if both old and
18158 new are PLUS with a common operand.
18159 * calls.c (expand_call): Mark temp slot for result as having
18162 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
18164 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
18165 component as well as "BINUTILS".
18167 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
18168 * integrate.c (copy_rtx_and_substitute): Likewise.
18169 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
18170 All callers changed.
18171 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
18173 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
18174 gdb extensions, write size of type; also be more consistent
18175 in using references when this is a subtype.
18177 * pa.md (extv, extzv, insv): Use define_expand to reject constant
18178 that is out of range.
18180 * loop.c (unknown_constant_address_altered): New variable.
18181 (prescan_loop): Initialize it.
18182 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
18183 (invariant_p, case MEM): Remove handling for volatile and readonly;
18184 check new variable if readonly.
18185 (check_dbra_loop): Chdeck unknown_constant_address_altered.
18187 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
18188 (addr_affects_sp_p): Removed from note_mem_written and only
18189 define #ifdef AUTO_INC_DEC.
18191 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
18193 * regclass.c (record_reg_classes): Properly handle register move
18196 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
18197 Don't think valid if both operands are invalid.
18198 (struct constant_descriptor): New field RTL.
18199 (mark_const_hash_entry): Mark it.
18200 (record_constant{,_rtx}): Initialize it.
18201 (output_constant_def): Allocate RTL in permanent obstack and
18203 ({record,compare}_constant_1): Modes must match for
18204 CONSTRUCTOR of ARRAY_TYPE.
18206 * c-common.h (initializer_constant_valid_p): Delete decl from here.
18207 * output.h (initializer_constant_valid_p): Move decl to here.
18208 * c-common.c (initializer_constant_valid_p): Delete function from here.
18209 * varasm.c (initializer_constant_valid_p): Move function to here.
18211 * tree.h (STRIP_SIGN_NOPS): New macro.
18212 * fold-const.c (optimize_minmax_comparison): New function.
18213 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
18214 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
18215 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
18216 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
18217 widening conversions.
18218 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
18219 to look at size of mode, not precision of type; also add missing cases.
18220 (optimize_bit_field_compare, decode_field_reference): Don't try to
18221 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
18223 * dwarf2out.c (ctype.h): Include.
18224 (dwarf2out_set_demangle_name_func): New function.
18225 (size_of_line_info): Deleted.
18226 (output_line_info): Compute size of line info table from difference
18228 (base_type_die, add_name_attribute): Call demangle function, if any.
18229 (field_byte_offset): Use bits per word for variable length fields.
18230 (gen_array_type_die): Add array name.
18231 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
18232 (dwarf2out_add_library_unit_info): New function.
18234 * explow.c (set_stack_check_libfunc): New function.
18235 (stack_check_libfunc): New static variable.
18236 (probe_stack_range): Allow front-end to set up a libfunc to call.
18238 * combine.c (simplify_comparison): When making comparison in wider
18239 mode, check for having commuted an AND and a SUBREG.
18240 (contains_muldiv): New function.
18241 (try_combine): Call it when dividing a PARALLEL.
18242 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
18243 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
18245 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
18246 use one of the CLOBBERs instead.
18247 (if_then_else_cond): If comparing against zero, just return thing
18250 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
18251 Don't generate shifts and subtract if have conditional arithmetic.
18253 * rtl.h (delete_barrier): New declaration.
18254 * jump.c (jump_optimize): Set up to handle conditional call.
18255 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
18256 (delete_barrier): New function.
18258 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
18260 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18262 * tree.c (build_type_attribute_variant): Push to obstack of
18263 ttype around type_hash_canon call.
18265 * expr.c (placeholder_list): Move decl to file scope.
18266 (expand_expr): Don't force access to volatile just because its
18268 If ignoring reference operations, just expand the operands.
18269 (expand_expr, case COMPONENT_REF): Propagate
18270 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18271 Refine test for using bitfield operations vs pointer punning.
18272 (expand_expr, case CONVERT_EXPR): If converting to
18273 BLKmode UNION_TYPE from BLKmode, just return inner object.
18274 Use proper mode in store_field call.
18275 Properly set sizes of object to store and total size in store_field
18276 call for convert to union.
18277 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18278 memory (like for ADDR_EXPR). Also, don't put constant in register if
18279 we'll want it in memory.
18280 (readonly_fields_p): New function.
18281 (expand_expr, case INDIRECT_REF): Call it if LHS.
18282 (expand_assignment): Handle a RESULT_DECL where
18283 DECL_RTL is a PARALLEL.
18284 (do_jump, case WITH_RECORD_EXPR): New case.
18285 (get_inner_reference): Always go inside a CONVERT_EXPR
18286 and NOP_EXPR if both modes are the same.
18287 (store_field): Use bitfield operations if size of bitsize is not same
18288 as size of RHS's type.
18289 Check for bitpos not a multiple of alignment in BLKmode case.
18290 Do block move in largest possible alignment.
18291 (store_constructor): Set BITSIZE to -1 for variable size and properly
18292 in case of array of BLKmode.
18293 (expand_expr_unaligned): New function.
18294 (do_compare_and_jump): Call it.
18296 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18297 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18298 does not include 'o'.
18300 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18301 both SET_DEST and SET_SRC reference a virtual register.
18302 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18304 * integrate.c (expand_inline_function): Handle case of setting
18305 virtual stack vars register (from built in setjmp); when parameter
18306 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18307 (subst_constant): Add new parm, MEMONLY.
18308 (expand_inline_function, integrate_parm_decls): Pass new parm.
18309 (integrate_decl_tree): Likewise.
18310 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18311 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18312 (copy_rtx_and_substitute, case SET): Add explicit calls to
18313 copy_rtx_and_substitute for both sides.
18315 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18317 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18318 within INDEX_TYPE, instead of before.
18319 (fixup_gotos): Use f->target_rtl, not the next insn,
18320 since latter may be from a later fixup.
18321 (expand_value_return): Correctly convert VAL when promoting function
18322 return; support RETURN_REG being a PARALLEL.
18323 (expand_return): When checking for result in regs and having
18324 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18326 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18328 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18329 last_nominal_fname): Mark const.
18330 (struct include_hash: name, nshort, control_macro): Mark
18332 (struct macrodef: symnam): Mark const.
18333 (struct if_stack: fname): Mark const.
18334 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18335 (IStable): New character-syntax array which encompasses all
18336 the old is_foo arrays.
18337 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18338 is_space): New macros for interrogating IStable.
18339 (check_macro_name): Kill last argument. All callers changed.
18341 * cppinit.c (initialize_char_syntax): Delete.
18342 (is_idchar, is_idstart, is_hor_space, is_space,
18343 trigraph_table): Delete.
18344 (IStable): New. Initialize with clever macros to avoid
18345 information duplication.
18346 (builtin_array): Table of builtins to get rid of explicit list
18347 in initialize_builtins.
18348 (initialize_builtins): Use builtins_array.
18349 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18350 opts->dollars_in_ident.
18352 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18354 (cpp_parse_expr): Avoid 'format string is not constant'
18355 warning. Use ISGRAPH to identify printable chars.
18356 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18358 (read_and_prescan): Map trigraphs to chars with open-coded
18359 if-else-if-... sequence, not a lookup table.
18360 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18362 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18363 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18364 (check_macro_name): Remove ability to report an invalid
18365 assertion name, which is never used.
18366 (do_line): Constify a couple of char *'s.
18367 * cppmain.c (main): Call cpp_cleanup before returning.
18369 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18371 * ggc.h (struct ggc_statistics): New type.
18372 (ggc_get_size): New function.
18373 (ggc_print_statistics): Likewise.
18374 * ggc-common.c (ggc_stats): New variable.
18375 (ggc_mark_rtx_children): Keep statistics.
18376 (ggc_mark_tree_children): Likewise.
18377 (ggc_print_statistics): New function.
18378 * ggc-page.c (struct globals): Add bytes_mapped field.
18379 (alloc_anon): Update it.
18380 (release_pages): Likewise.
18381 (ggc_get_size): New function.
18382 (ggc_page_print_statistics): New function.
18383 * ggc-simple.c (ggc_get_size): New function.
18385 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18387 * flow.c (propagate_block): When the last reference to a label
18388 before an ADDR_VEC is deleted because the reference is a dead
18389 store, delete the ADDR_VEC.
18391 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18393 * resource.c (find_free_register): Don't use the frame pointer
18394 if frame_pointer_needed.
18396 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18398 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18399 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18401 * config/i960/i960.c (i960_va_start): New locals base, num.
18402 Use INDIRECT_REF instead of ARRAY_REF on valist.
18403 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18405 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18407 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18409 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18411 * tree.def (PLACEHOLDER_EXPR): Update comments.
18413 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18415 * c-common.c (check_format_info): Avoid non-literal format string
18416 warnings when `first_arg_num' is zero.
18418 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18420 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18422 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18424 * arm.md (casesi_insn): Add a clobber of the condition code
18427 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18429 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18430 used by both cc1 and cc1plus.
18432 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18434 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18435 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18436 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18437 to the value 32 if it has not already been defined.
18438 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18439 Override definition in arm.h with a value of 8.
18441 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18443 * c-pragma.c (push_alignment): Don't check the return value
18446 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18448 * sparc.h (ADJUST_COST): Fix thinko.
18450 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18452 * cccp.c (rescan): Fixed obp pointer handling around call to
18453 check_expand subroutine.
18455 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18457 * gcse.c (delete_null_pointer_checks): Only record non-null info
18458 for pseudos when examining stores.
18460 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18461 splitters for these patterns. Use "#" for output templates.
18462 (addsi3_carryin_shift): New pattern.
18464 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18466 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18467 of the function return register into a plain REG until
18468 after function inlining is done.
18470 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18472 * jump.c (jump_optimize_1): If we did cross-jumping, and
18473 the data will matter, rebuild the CFG.
18474 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18475 not optimizing. Don't run shorten_branches.
18476 * toplev.c (rest_of_compilation): Run shorten_branches after
18479 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18481 * rtl.h (note_stores): Add additional paramter.
18482 * rtlanal.c (reg_set_p_1): Take additional paramter.
18483 (reg_set_last_1): Likewise.
18484 (reg_set_p): Adjust call to note_stores.
18485 (reg_set_last): Likewise.
18486 (note_stores): Pass data parameter to worker function.
18487 * alias.c (record_set): Take additional parameter.
18488 (init_alias_analysis): Pass it.
18489 * caller-save.c (mark_set_regs): Take additional parameter.
18490 (save_call_clobbered_regs): Pass NULL to note_stores.
18491 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18493 (record_dead_and_set_regs_1): Likewise.
18494 (reg_dead_at_p_1): Likewise.
18495 (combine_instructions): Adjust calls to note_stores.
18496 (try_combine): Likewise.
18497 (record_dead_insn): Remove.
18498 (record_dead_and_set_regs): Adjust calls to note_stores.
18499 (reg_dead_at_p): Likewise.
18500 * cse.c (invalidate_skipped_set): Take additional parameter.
18501 (cse_check_loop_start): Likewise.
18502 (cse_check_loop_start_value): Remove.
18503 (cse_set_around_loop): Adjust calls to note_stores.
18504 * flow.c (notice_stack_pointer_modification): Take additional
18505 parameter. Remove duplicate declaration.
18506 (record_volatile_insns): Adjust calls to note_stores.
18507 * gcse.c (record_set_info): Take additional parameter.
18508 (record_last_set_info): Likewise.
18509 (invalidate_nonnull_info): Likewise.
18510 (record_set_insn): Remove.
18511 (compute_sets): Adjust calls to note_stores.
18512 (last_set_insn): Remove.
18513 (compute_hash_table): Adjust calls to note_stores.
18514 (insert_insn_end_bb): Likewise.
18515 (delete_null_pointer_checks): Likewise.
18516 * global.c (mark_reg_store): Take additional parameter.
18517 (mark_reg_clobber): Likewise.
18518 (reg_becomes_live): Likewise.
18519 (global_conflicts): Adjust calls to note_stores.
18520 (build_insn_chain): Likewise.
18521 * integrate.c (note_modified_parmregs): Take additional parameter.
18522 (mark_stores): Likewise. Make it static.
18523 (save_for_inline_nocopy): Adjust calls to note_stores.
18524 (try_constants): Likewise.
18525 * integrate.h (mark_stores): Remove declaration.
18526 * jump.c (mark_modified_reg): Take additional parameter.
18527 (thread_jumps): Adjust calls to note_stores.
18528 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18530 (no_equiv): Likewise.
18531 (reg_is_set): Likewise.
18532 (validate_equiv_mem): Adjust calls to note_stores.
18533 (update_equiv_regs): Likewise.
18534 (block_alloc): Likewise.
18535 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18536 (note_addr_stored): Take additional parameter.
18537 (note_set_pseudo_multiple_uses): Likewise.
18538 (record_initial): Likewise.
18539 (prescan_loop): Adjust calls to note_stores.
18540 (strength_reduce): Likewise.
18541 (check_dbra_loop): Likewise.
18542 * regmove.c (flags_set_1): Take additional paramter.
18543 (mark_flags_life_zones): Adjust calls to note_stores.
18544 * reload1.c (mark_not_eliminable): Take additional parameter.
18545 (forget_old_reloads_1): Likewise.
18546 (reload_cse_invalidate_rtx): Likewise.
18547 (reload_cse_check_clobber): Likewise.
18548 (reload_combine_note_store): Likewise.
18549 (move2add_note_store): Likewise.
18550 (reload): Adjust calls to note_stores.
18551 (reload_as_needed): Likewise.
18552 (emit_reload_insns): Likewise.
18553 (reload_cse_regs_1): Likewise.
18554 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18555 (reload_combine): Adjust calls to note_stores.
18556 * resource.c (update_live_status): Take additional paramter.
18557 (mark_target_live_regs): Adjust calls to note_stores.
18558 * stupid.c (find_clobbered_regs): Take additional parameter.
18559 (stupid_life_analysis): Adjust calls to note_stores.
18561 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18563 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18566 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18569 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18570 of the variable arm_structure_size_boundary.
18572 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18574 * alias.c (init_alias_analysis): Allocate reg_known_value and
18575 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18577 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18578 * cse.c (cse_main): Call end_alias_analysis.
18579 * haifa-sched.c (schedule_insns): Likewise.
18580 * local-alloc. (update_equiv_regs): Likewise.
18581 * reload1.c (reload_cse_regs): Likewise.
18583 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18585 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18586 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18587 mapping from MASK_FPU.
18589 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18591 * sparc.md (call): Don't bound structure return size to 0xfff.
18593 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18595 * resource.c (mark_target_live_regs): Check that the target
18596 insn wasn't created after compute_bb_for_insn.
18598 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18600 * ggc-page.c (poison_pages): Don't be overzealous.
18602 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18604 * alias.c: Update comments for ADDRESS.
18605 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18606 it is a local memory reference.
18608 * c-typeck.c (build_function_call): Check that the built-in
18609 function is of class BUILT_IN_NORMAL before trying to recongize
18610 it as BUILT_IN_ABS.
18611 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18612 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18614 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18616 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18618 (pre_gcse): Likewise.
18619 (hoist_expr_reaches_here_p): Likewise.
18620 (hoist_code): Likewise.
18621 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18623 (pre_expr_reaches_here_p_work): ... here.
18624 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18626 (expr_reaches_here_p_work): ... here.
18628 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18630 * resource.c (find_basic_block): Delete.
18631 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18632 (init_resource_info): Call compute_bb_for_insn.
18634 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18636 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18637 with already adjacent blocks, but no fallthru.
18638 (merge_blocks_move_successor_nojumps): Simplify.
18639 (debug_flow_info): New.
18641 * toplev.c (rest_of_compilation): Open jump1 dump file before
18642 jump and close after, as opposed to just using dump_rtl.
18644 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18646 * reload.h (earlyclobber_operand_p): Declare.
18647 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18648 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18649 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18650 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18652 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18653 Richard Henderson <rth@cygnus.com>
18655 * emit-rtl.c (emit_block_insn_before): New.
18656 (emit_block_insn_after): New.
18657 * basic-block.h: Declare them.
18659 * bitmap.h: Protect from multiple inclusion.
18661 * recog.c (scratch_operand): Handle VOIDmode correctly.
18663 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18665 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18666 * function.c (assign_parms): Likewise.
18667 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18669 * reg-stack.c (max_uid): Remove.
18670 (blocks, block_begin, block_end, block_drops_in): Remove.
18671 (block_stack_in, block_out_reg_set, block_number): Remove.
18672 (struct block_info_def, BLOCK_INFO): New.
18673 (enum emit_where): New.
18674 (current_block): New.
18675 (BLOCK_NUM): Remove.
18676 (mark_regs_pat, record_label_references): Remove.
18677 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18679 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18680 (reg_to_stack): Simplified test for existance of fp code. Use
18681 flow.c code. Call shorten_branches after cross-jump opt.
18682 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18683 Return false if the asm doesn't use stack regs. Don't do life
18684 analysis on the asm.
18685 (emit_pop_insn): Replace function pointer arg `when' with
18686 enum `where'. Update all callers.
18687 (change_stack): Likewise. Update basic block end.
18688 (emit_swap_insn): Use current_block->head to limit reverse search
18689 for start of block. Use emit_block_insn_after.
18690 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18691 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18692 structure assignment instead of bcopy.
18693 (print_stack): New.
18694 (convert_regs_entry, convert_regs_exit): New.
18695 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18696 Work on basic blocks and the CFG.
18697 (convert_regs): Use them.
18699 * i386.c (output_fix_trunc): Remove code for DImode input operand
18700 not at top-of-stack.
18701 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18703 (fix_truncdi_1): Allow any mode scratch.
18705 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18707 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18708 * linux.h, netbsd.h, vms.h: Not here.
18710 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18712 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18713 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18714 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18715 CONDITIONAL_REGISTER_USEAGE): Use them.
18716 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18717 gen_conditional_branch,override_options) : Use them.
18718 * config/mips/mips.md : Use them.
18720 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18722 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18724 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18726 * integrate.c (function_cannot_inline_p): Don't allow inlining
18729 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18731 * c-parse.in (cast_expr): Constify.
18733 * cccp.c (special_symbol): Likewise.
18735 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18737 * dwarf2out.c (base_type_die): Likewise.
18739 * global.c (allocno_compare): Likewise.
18741 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18743 * regclass.c (fix_register): Likewise.
18745 * rtl.h (fix_register): Likewise.
18747 * stupid.c (stupid_reg_compare): Likewise.
18749 * toplev.c (decode_f_option): Likewise.
18751 * tree.c (build_complex_type): Likewise.
18753 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18755 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18757 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18759 * reload.c (find_reloads): Compute mode and nregs fields of all
18761 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18762 (calculate_needs): Use precomputed mode/nregs values.
18763 (allocate_reload_reg): Likewise.
18765 (failed_reload, set_reload_reg): ... new functions.
18766 (choose_reload_regs_init): New function, mostly broken out from...
18767 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18768 Also lose one #if 0 block.
18770 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18772 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18775 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18777 * tree.h (BLOCK_TYPE_TAGS): Remove.
18778 (BLOCK_END_NOTE): Likewise.
18779 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18780 (BLOCK_LIVE_RANGE_START): Likewise.
18781 (BLOCK_LIVE_RANGE_END): Likewise.
18782 (tree_block): Remove live_range_flag, live_range_var_flag, and
18783 type_tags. Remove end_note, live_range_start, and live_range_end.
18784 (remember_end_note): Remove prototype.
18785 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18786 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18788 * ggc-common.c (ggc_mark_tree_children): Don't mark
18789 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18790 * integrate.c (adjust_copied_decl_tree): Remove.
18791 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18792 * stmt.c (last_block_end_note): Remove.
18793 (init_stmt): Don't add a GC root for it.
18794 (expand_fixup): Don't set it.
18795 (remember_end_note): Remove.
18796 (expand_end_bindings): Don't set last_block_end_note.
18798 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18800 * reload1.c (reload_reg_free_for_value_p): Show
18801 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18804 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18806 * expmed.c (extract_bit_field): Allow for the case of non-integer
18807 objects that are smaller than a word (like SFmode on a 64-bit
18810 * loop.c (basic_induction_var): A non-integer variable which is
18811 being set by a paradoxical subreg is probably not a biv.
18813 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18815 * prefix.c (translate_name) Check for empty prefix string.
18817 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18819 * Makefile.in (CPP_CROSS_NAME): New variable.
18820 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18822 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18823 names of the files to be uninstalled.
18825 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18827 * collect2.c (IS_DIR_SEPARATOR): Define.
18828 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18830 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18833 * haifa-sched.c (add_dependence): Update the true dependency
18834 cache the first time we add a true dependence to the LOG_LINKS chain.
18836 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18838 * fold-const.c (fold): Fix comment.
18840 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18842 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18843 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18844 dbxout_start_new_source_file, dbxout_source_file,
18845 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18846 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18848 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18849 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18850 (dbxout_block): Initialize variable `blocknum'.
18852 * dbxout.h (dbxout_init, dbxout_finish,
18853 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18854 dbxout_args, dbxout_source_line): Constify a char*.
18856 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18857 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18858 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18859 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18860 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18861 src_info_attribute, mac_info_attribute, producer_attribute,
18862 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18863 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18864 dwarfout_undef): Constify a char*.
18865 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18867 * dwarfout.h (dwarfout_define, dwarfout_undef,
18868 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18870 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18872 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18873 (MULTILIB_ISA_DEFAULT): New.
18874 (MULTILIB_DEFAULTS): Use it.
18875 * config/mips/mips.c (): Remove the now unnecessary definition
18876 of MIPS_ISA_DEFAULT.
18877 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18878 unnecessary definition.
18880 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18882 * arm.md (pic_load_addr): Add constraints to operand 1.
18884 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18886 * fixinc/genfixes: Provide a means for specifying -D options to
18889 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18891 * arm.c (arm_override_options): Correct initialization of
18892 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18893 arm_is_strong, and arm_is_6_or_7.
18895 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18896 (note_set_pseudo_multiple_uses): New function.
18897 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18898 if a pseudo set in the loop exit is used elsewhere.
18900 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18902 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18904 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18906 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18907 a single load-address pattern.
18909 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18911 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18912 depending on whether or not line-number notes are present.
18914 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18916 * cccp.c (progname, file_buf, default_include, include_file,
18917 macrodef, definition, hashval, wchar_type, user_label_prefix,
18918 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18919 expand_to_temp_buffer, is_system_include, base_name,
18920 absolute_filename, read_name_map, open_include_file,
18921 record_control_macro, check_precompiled, check_preconditions,
18922 pcfinclude, pass_thru_directive, create_definition,
18923 check_macro_name, comp_def_part, collect_expansion,
18924 check_assertion, read_token_list, assertion_install,
18925 assertion_lookup, eval_if_expression, conditional_skip,
18926 validate_else, skip_quoted_string, quote_string, macarg1,
18927 error_from_errno, install, lookup, hashf, dump_defn_1,
18928 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18929 check_white_space, rescan, handle_directive, monthnames,
18930 special_symbol, do_include, remap_include_file, write_output,
18931 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18932 do_ident, do_sccs, do_xifdef, skip_if_group,
18933 output_line_directive, macroexpand, macarg, change_newlines,
18934 initialize_builtins, make_definition): Constify a char*.
18936 * pcp.h (stringdef): Likewise.
18938 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18940 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18943 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18944 Richard Henderson <rth@cygnus.com>
18946 * alias.c: Include ggc.h.
18947 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18948 (record_set): Verify enough room in reg_base_value.
18949 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18950 Register it as a GC root.
18951 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18952 * Makefile.in (alias.o): Depend on ggc.h.
18954 * unroll.c (unroll_loop): Verify the insn before a barrier
18955 is a JUMP_INSN before checking JUMP_LABEL.
18957 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18959 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18960 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18961 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18962 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18963 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18964 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18966 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18968 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18970 * alpha/alpha-interix.h (text_section): Delete prototype.
18971 * alpha/elf.h (text_section): Likewise.
18972 * arm/linux-elf.h (text_section): Likewise.
18973 * arm/linux-telf.h (text_section): Likewise.
18974 * c4x/c4x.h (text_section): Likewise.
18975 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18976 * elfos.h (text_section): Likewise.
18977 * i386/aix386ng.h (text_section): Likewise.
18978 * i386/i386-interix.h (text_section): Likewise.
18979 * i386/sco5.h (text_section): Likewise.
18980 * i386/svr3gas.h (text_section): Likewise.
18981 * nextstep.h (text_section): Likewise.
18982 * psos.h (text_section): Likewise.
18983 * ptx4.h (text_section): Likewise.
18984 * svr3.h (text_section): Likewise.
18985 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18987 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18989 * final.c (peephole): Delete prototype.
18991 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18992 (pre_insert_copies): Remove unused variable `bb'.
18994 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18997 * output.h (peephole): Add prototype.
18999 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
19001 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
19004 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
19006 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
19007 for inlined declarations.
19009 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
19011 * arm.c (logical_binary_operator): New fucntion.
19012 * arm.h (logical_binary_operator): Declare it.
19013 (PREDICATE_CODES): Handle logical_binary_operator.
19014 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
19015 output constraints. Add appropriate splitters.
19016 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
19017 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
19018 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
19020 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19022 * genoutput.c (struct operand_data): New elt eliminable.
19023 (output_operand_data): Write it.
19024 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
19025 (compare_operands): Take it into account.
19026 * recog.h (struct insn_operand_data): New elt eliminable.
19027 * reload1.c (check_eliminable_occurrences, elimination_effects): New
19029 (old_asm_operands_vec, new_asm_operands_vec): Delete.
19030 (eliminate_regs): Move code that detects changes to elimination
19031 target regs into new function elimination_effects.
19032 Delete one #if 0 block.
19033 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
19034 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
19035 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
19036 Only call eliminate_regs for real operands of the insn, not for parts
19037 of its structure or parts matched by things like match_operator.
19038 Use elimination_effects and check_eliminable_occurrences. Use
19039 copy_insn to duplicate the pattern when not in the final pass.
19041 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
19043 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
19046 1999-10-22 Bruce Korb <autogen@linuxbox.com>
19048 * fixinc/README: document the "mach" machine matching test
19049 * fixinc/fixfixes.c: Implement the #else/#endif label fix
19050 * fixinc/fixtests.c: Implement the #else/#endif label test
19051 * fixinc/inclhack.def: utilize these tests and fixes
19052 * fixinc/inclhack.sh: regen
19053 * fixinc/fixincl.x: regen
19054 * fixinc/fixincl.sh: regen
19056 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
19058 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
19061 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
19063 * gcc.1: Document exit codes.
19065 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19067 * calls.c: Include tm_p.h later, so everything we need is defined.
19068 * expr.c: Likewise.
19069 * function.c: Likewise.
19071 * except.c: Include tm_p.h.
19073 * sparc.c: Likewise.
19074 (dwarf2out_cfi_label): Don't prototype.
19075 (check_return_regs, epilogue_renumber,
19076 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
19077 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
19078 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
19079 ultra_schedule_insn): Add static prototype.
19080 (data_segment_operand, text_segment_operand): Call itself with the
19081 proper number of arguments.
19082 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
19084 * sparc.h: Move all declarations to sparc-protos.h.
19085 (SELECT_RTX_SECTION): Pass a missing MODE argument to
19088 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
19090 * config/svr4.h (text_section, ctors_section, dtors_section): Add
19092 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
19093 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
19094 ASM_OUTPUT_ASCII): Constify a char*.
19096 * sparc-protos.h: New file for sparc prototypes.
19098 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19100 * function.c (record_insns, contains): Always declare and define.
19101 (record_insns): Mark with ATTRIBUTE_UNUSED.
19103 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19105 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
19106 to .section when outputting a .bss section to deal with multiple
19107 .bss input sections (as happens with -fdata-sections)
19108 Also output %progbits, not @progbits so the assembler doesn't treat as
19110 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
19112 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
19113 thumb parts even when building with non-thumb CPUs, by forcing
19116 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
19118 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
19119 (movdf_const_intreg_sp64): Similarly.
19121 * local-alloc.c (update_equiv_regs): Check the correct insn
19122 for pre-existing REG_EQUIV notes.
19124 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
19126 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
19127 block reached by a branch if we're not going to actually process
19130 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
19132 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
19133 a local extern function declaration.
19135 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
19137 * i386.c (ix86_expand_prologue): Properly wrap USE around
19138 reg for CALL_INSN_FUNCTION_USAGE.
19140 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
19142 * config/mips/mips.md (movdf_internal1a): Allow floating-point
19143 move between GP_REGs.
19145 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
19147 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
19148 the mode size when finding out if an offset is legal.
19150 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
19152 * basic-block.h (PROP_*): Move constants from ...
19153 * flow.c: ... here.
19154 (compute_bb_for_insn): Free the array before reallocating.
19155 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
19156 (allocate_reg_life_data): Reset all reg variables collected by
19158 (get_block_head_tail): Don't convert from bb to block.
19159 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
19160 (find_insn_reg_weight): Take block not bb.
19161 (schedule_block): Don't set block num for moved insns.
19162 (schedule_region): Don't update_life_info or find_insn_reg_weight.
19163 (schedule_insns): Do it here instead.
19164 * combine.c (combine_instructions): Invoke compute_bb_for_insn
19165 before update_life_info.
19166 * recog.c (split_all_insns, peephole2_optimize): Update for
19167 new arg to update_life_info.
19168 * rtlanal.c (remove_note): Cope with NULL note.
19169 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
19172 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
19174 * jump.c (jump_optimize_1): More accurately detect casesi insns.
19176 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
19177 block records so that merge_blocks_nomove will clean up correctly.
19178 (split_edge): Handle casesi insns.
19180 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
19182 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
19184 * pa.md (call, call_value): Do not emit a blockage after restoring
19187 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
19189 * c-typeck.c (c_expand_asm_operands): Fix typo.
19191 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19193 * arm.c (fpu_rhs_operand): Verify modes.
19194 (fpu_add_operand): Likewise.
19195 (di_operand): Likewise.
19196 (soft_df_operand): Likewise.
19198 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
19200 * arm.c (arm_return_in_memory): APCS rules state that the elements
19201 of a structure returned in a register must be 'integer-like'.
19203 1999-10-19 Bruce Korb <autogen@linuxbox.com>
19205 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
19206 in the source tree when the generated targets are out of date
19207 * fixinc/genfixes: Alter it to run individual fixes for make.
19208 * fixinc/README: rewrite
19209 * fixinc/inclhack.def: moved initial comments to README
19211 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
19213 * toplev.c (main): Do not generate an error message if an
19214 unrecognised command line switch is recognisable by another
19215 language. If extra_warnings are enabled, then generate a
19216 warning message instead.
19218 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
19220 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
19221 (insert_pack_attributes): Delete prototype.
19223 * c-pragma.c (default_alignment): New static variable.
19224 (push_alignment): Initialize to current effective alignment.
19225 (pop_alignment): Use to set new alignment.
19226 (insert_pack_attributes): Delete function.
19227 (handle_pragma_token): Set default_alignment as well each time
19228 a #pragma pack(<n>) is encountered.
19230 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
19232 * reg-stack.c (stack_result): Aggregates are not returned in
19235 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19237 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
19239 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
19241 * basic-block.h (set_block_num): Declare.
19242 * flow.c (update_life_info): Don't call compute_bb_for_insn
19243 or free_basic_block_vars.
19244 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
19245 (insn_orig_block): Remove.
19246 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
19247 (schedule_block): Keep BLOCK_NUM up-to-date.
19248 (schedule_insns): Use compute_bb_for_insn.
19249 * recog.c (split_all_insns): Likewise.
19250 (peephole2_optimize): Likewise.
19252 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
19254 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
19255 if the pic register is used.
19257 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19259 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
19260 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19261 if that tests TREE_PERMANENT.
19263 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19265 * cse.c (invalidate_for_call): Do not remove memory references from
19266 the table here. It's handled elsewhere.
19268 * haifa-sched.c (add_dependence): Protect references to the
19269 true dependency cache with #ifdef INSN_SCHEDULING.
19270 (remove_dependence): Similarly.
19272 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19273 to the cfg code that this is a return instruction.
19274 * mn10300.md (return_internal): Similarly.
19276 * combine.c (get_last_value): If the last set of a register
19277 is after subst_low_cuid, then we can not use it to determine
19278 the register's last value.
19280 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19282 * Makefile.in: Back out previous change.
19284 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19286 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19288 * haifa-sched.c (add_dependence): Only check/update the cache
19290 (remove_dependence): Likewise.
19291 (schedule_insns): Only create the true_dependency_cache if the
19292 average number of instructions in a basic block is very large.
19294 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19296 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19297 (ggc-simple.o): Likewise.
19298 (ggc-page.o): Likewise.
19300 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19302 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19303 Prototype for exported functions.
19304 (pre_lcm, pre_rev_lcm): Remove prototypes.
19305 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19306 (compute_available): Move to lcm.c, and change parameter order.
19307 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19308 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19309 (gcse_main): No longer call compute_preds_succs. Rebuild the
19310 set table after reach pre pass.
19311 (pre_insert_map, pre_delete_map, edge_list): New.
19312 (alloc_pre_mem): Allocate edge vectors.
19313 (free_pre_mem): Delete edge vectors.
19314 (compute_pre_data): Call new edge based lcm routines.
19315 (process_insert_insn): New function.
19316 (insert_insn_end_bb): Use it.
19317 (pre_edge_insert): New function.
19318 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19320 (pre_insert_copies): Revamp using new edge based lcm outputs.
19321 (pre_delete): Likewise.
19322 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19324 (compute_code_hoist_vbeinout): New new edge based routines.
19325 * lcm.c: Remove all the old LCM functions. Replace with new ones
19326 that work with the new cfg datastructures and work with edges
19329 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19331 * reload.h (struct reload): Add new fields "mode" and "nregs".
19332 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19333 to reference the "mode" and "nregs" field within struct reload.
19335 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19337 * haifa-sched.c (true_dependency_cache): New.
19338 (add_dependence): Use the true dependency cache to avoid expensive
19339 walks down the LOG_LINKS dependency list. Add entries to the
19340 cache as necessary.
19341 (remove_dependence): Remove entries from the true dependency cache
19343 (schedule_insns): Allocate and initialize and free the true
19346 * haifa-sched.c (schedule_insns): Do not remove inter-block
19347 dependencies anymore.
19349 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19351 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19352 * i386/t-winnt: Likewise.
19354 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19356 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19358 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19360 * Makefile.in (LANGUAGES): Omit "proto".
19361 (clean): Remove stale comment about removing unprotoize.c.
19363 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19365 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19366 using arithmetic on void pointers.
19368 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19370 * haifa-sched.c (compute_block_forward_dependencies): Only check
19371 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19373 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19375 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19376 (expr_equiv_p): Reject memories with different alias sets.
19378 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19380 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19381 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19382 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19383 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19384 (lang_init): Set default for flag_bounds_check if still "unspecified".
19386 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19388 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19390 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19392 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19395 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19397 * config/c4x/c4x.md (*db_noclobber,
19398 *decrement_and_branch_until_zero_noclobber): New patterns and
19399 associated splitters.
19401 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19403 * config/c4x/c4x.md (parallel instruction patterns): Rework
19404 constraints to keep reload happy.
19406 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19408 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19409 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19410 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19411 Add new patterns and associated post-reload splitters.
19413 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19415 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19417 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19419 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19421 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19423 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19425 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19428 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19430 * pa.c (move_operand): Rely on memory_address_p to determine the
19431 validity of non-indexed memory addresses.
19432 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19433 operand in DFmode and SFmode when generating PA2.0 code.
19435 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19437 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19439 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19441 * mips.c (function_prologue): Fix argument types.
19442 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19443 (casesi_internal): Write to the scratch register.
19445 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19447 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19449 (parse_charconst): Delete unnecessary cast when calling
19451 (cpplib.h): Kill prototype of cpp_parse_escape.
19453 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19455 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19456 * unroll.c (unroll_loop): Cast return value of alloca.
19457 * i370/i370.c: Include function.h and toplev.h.
19458 (i370_label_scan): Remove c++ commented abort.
19459 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19460 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19461 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19462 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19464 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19466 * config/t-freebsd: Do not override USER_H.
19467 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19469 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19470 Mumit Khan <khan@xraylith.wisc.edu>
19472 * c-parse.in (component_decl): Support anonymous struct/union.
19474 * c-parse.y: Regenerate.
19475 * c-parse.c: Likewise.
19476 * objc/objc-parse.y: Likewise.
19477 * objc/objc-parse.c: Likewise.
19478 * c-decl.c (finish_struct): Don't sort the fields.
19479 (field_decl_cmp): Delete unused function.
19481 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19483 * sparc.md (movsf_const_intreg): Revert last constraint change.
19484 (movdf_const_intreg_sp32): Likewise.
19486 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19488 * cse.c: Include hashtab.h instead of splay-tree.h
19489 (struct cse_reg_info): No longer use variant union. Add new
19490 field "regno". All references changed to avoid union.
19491 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19492 (free_cse_reg_info): Remove.
19493 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19494 (get_cse_reg_info): Revamp to use expandable hash tables instead
19495 of splay trees. Initialize new fields in cse_reg_info structure.
19496 (new_basic_block): Similarly.
19498 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19500 * genrecog.c (message_with_line): Prototype.
19501 (validate_pattern): Pass along the set for the dest, not a flag.
19502 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19503 Check for PC/CC0 as sources.
19504 (nodes_identical): Check for children position match before
19505 allowing the combination.
19507 * rtl.c (read_rtx): Track line number across \\\n.
19509 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19511 * mips.h (SPECIAL_MODE_PREDICATES): New.
19512 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19513 (movdi+1, movsi+1): Add output reload constraint.
19514 (casesi_internal): Likewise. Fix commentary.
19515 (return_internal): Use pmode_register_operand.
19517 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19519 * 1750a.md (movstrqi): Add missing output reload constraint.
19520 (call_value): Likewise.
19521 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19522 (jmpfdec): Add missing inout reload constraint.
19523 * elxsi.md (addsi patterns): Add missing output reload constraint.
19524 (move from sp): Use @ alternates.
19525 (call_value): No constraint on output.
19526 * fr30.md (movsi_pop): Add missing output reload constraint.
19527 (movsf_constant_store): Likewise.
19528 (splits): Remove constraints.
19529 (subsi3): Add missing mode.
19530 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19531 (call_value): Likewise.
19532 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19533 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19534 * m32r.md (movsicc_internal): Add output reload constraint.
19535 (movstrsi_internal): Add inout reload constraints.
19536 * m88k.h (reg_names): Don't declare.
19537 (SPECIAL_MODE_PREDICATES): New.
19538 * m88k.md (*): Use register_operand not reg_or_0_operand
19540 * mn10200.h (PREDICATE_CODES): New.
19541 * ns32k.md (ffs pattern): Add output reload constraint.
19542 * pdp11.md (sob pattern): Add inout reload constraint.
19543 * sh.md (splits): Remove constraints.
19544 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19545 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19546 * vax.md (jgequ pattern): Add inout reload constraint.
19548 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19550 * configure.in (djgpp): Revert previous patch.
19551 * configure: Rebuit.
19552 * config/i386/djgpp.h: Revert previous patch.
19554 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19556 * fixinc/inclhack.def: Restore patch lost during last merge of
19557 "no_bogosity" branch.
19558 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19560 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19562 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19563 * fixinc/inclhack.def: Same.
19564 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19566 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19568 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19569 as the base of a PLUS.
19571 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19573 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19574 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19576 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19578 * pa.md (post_stw+1): Use pmode_register_operand.
19579 (dcacheflush, icacheflush): Likewise.
19581 * i386.md (movstricthi_1): Allow r/r.
19583 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19585 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19586 to (not (and (arg0) (arg1))). Similary for and.
19588 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19589 fallthrough to associate code.
19590 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19593 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19594 no bits in common; remove XOR to ROTATE conversion.
19596 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19598 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19600 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19602 * config/c4x/c4x.c (dst_operand): New.
19603 (PREDICATE_CODES): Update.
19604 * config/c4x/c4x.h (dst_operand): Declare it.
19605 * config/c4x/c4x.md: Define mode for each unspec usage.
19606 (move patterns): Use dst_operand predicate instead of src_operand.
19607 (movqi_update, movqf_update): Delete.
19609 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19611 * recog.c (pmode_register_operand): New.
19612 * recog.h: Declare it.
19613 * genrecog.c (pred_codes): Likewise.
19614 (special_mode_pred_table): Likewise.
19615 (validate_pattern): Don't warn no mode for address_operand.
19617 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19618 if the operand is not insn-like.
19620 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19621 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19623 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19625 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19627 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19628 instead of general_operand in a SET_DEST. Use const_double_operand
19629 instead of an explicit test against CONST_DOUBLE.
19630 (movsf_const_lo): Add missing register mode.
19631 (goto_handler_and_restore): Add auxiliary test for Pmode.
19632 (flush): Adjust to use address_operand.
19633 (return_sf_no_fpu): Add missing output constraint.
19635 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19637 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19638 for call return value.
19639 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19641 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19643 * toplev.c (main): Only warn about options for other languages.
19644 * collect2.c (main): Pass -w to sub-gcc.
19646 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19648 * flow.c (propagate_block): Add call-clobbered registers to
19651 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19652 zapping mem_set_list.
19653 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19654 (mark_set_1, mark_used_regs): Likewise.
19656 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19658 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19660 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19662 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19663 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19664 options. Also add a new item "C-only Warning Options" to the
19667 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19669 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19670 from multiple calls.
19672 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19674 * i386.md (call value patterns): Move to the end of the file.
19675 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19677 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19679 * configure.in (djgpp configuration): Define extra_objects..
19680 * configure: Rebuilt.
19681 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19682 (DTORS_SECTION_ASM_OP): Define.
19683 (INIT_SECTION_ASM_OP): Define.
19684 (FINI_SECTION_ASM_OP): Define.
19685 (DATA_SECTION_ASM_OP): Define.
19686 (TEXT_SECTION_ASM_OP): Define.
19687 (EH_FRAME_SECTION_ASM_OP): Define.
19688 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19689 (STARTFILE_SPEC): Add crtbegin.o.
19690 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19691 to here from LINK_COMMAND_SPEC.
19692 (DO_GLOBAL_CTORS_BODY): Define.
19693 (CRTSTUFF_USE_FINI_SECTION): Define
19694 (HAS_INIT_SECTION): Delete.
19696 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19698 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19700 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19702 * pa.h (PREDICATE_CODES): New.
19704 * genrecog.c (validate_pattern): Condense the destination
19705 non-lvalue message.
19707 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19709 * alpha.md (call-1): Supply missing mode for operator.
19710 (*): Add missing output reload constraints. Remove constraints
19711 from define_splits.
19713 * i386.h (SPECIAL_MODE_PREDICATES): New.
19714 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19715 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19716 (addsi_lea_3): Add missing mode for op 3.
19717 (prologue_set_got, prologue_get_pc): Add missing modes.
19718 (*) Add missing output reload constraints.
19720 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19722 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19723 check for member bit-size overflow and use var_size if it occurs.
19724 (layout_record): Use bitsize_int() to define the type size in bits.
19725 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19726 (layout_decl): Likewise when assigning to DECL_SIZE.
19728 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19730 * genrecog.c (validate_pattern): Typo last change. Verify
19731 that output operands have output reloads.
19733 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19735 * genrecog.c (special_mode_pred_table): New.
19736 (NUM_SPECIAL_MODE_PREDS): New.
19737 (find_operand): New.
19738 (validate_pattern): New argument `insn'. Warn for assignment to
19739 any predicate accepting non-lvalues. Conditionaly warn for
19740 match_operand without a mode. Try much harder to match source
19741 and destination modes on a set.
19742 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19744 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19746 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19748 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19750 * combine.c (simplify_logical): Recognize xor pattern that encodes
19753 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19755 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19758 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19760 * ggc-page.c (MAP_FAILED): Provide default.
19762 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19764 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19765 * sparc.h (PREDICATE_CODES): Update.
19767 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19769 * alpha.c (some_ni_operand): New.
19770 * alpha-protos.h: Declare it.
19771 * alpha.h (PREDICATE_CODES): Update.
19772 * alpha.md (sXaddq reload insns): Use some_ni_operand
19773 for SET_DEST instead of some_operand.
19775 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19776 Jim Wilson <wilson@cygnus.com>
19778 * genrecog.c (maybe_both_true_2): Don't compare modes of
19780 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19781 after find_afterward.
19782 (debug_decision_1): Dump next and afterward codes.
19784 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19786 * rtl.c (dump_and_abort): Remove.
19787 (fatal_with_file_and_line): New.
19788 (fatal_expected_char): New.
19789 (read_rtx_lineno, read_rtx_filename): New.
19790 (read_skip_spaces): Track line number.
19791 (read_name): Use fatal_with_file_and_line.
19792 (read_rtx): Use fatal_expected_char. Track line number.
19793 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19795 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19796 if it isn't a CODE_LABEL.
19798 * genattr.c (main): Set read_rtx_filename.
19799 * genattrtab.c (main): Likewise.
19800 * gencodes.c (main): Likewise.
19801 * genconfig.c (main): Likewise.
19802 * genemit.c (main): Likewise.
19803 * genextract.c (main): Likewise.
19804 * genflags.c (main): Likewise.
19805 * genopinit.c (main): Likewise.
19806 * genoutput.c (main): Likewise.
19807 * genpeep.c (main): Likewise.
19809 * genrecog.c (decision_test.u.insn): Add `lineno'.
19810 (pattern_lineno, error_count): New variables.
19811 (message_with_line): New.
19812 (add_to_sequence): Break out checking code to ...
19813 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19814 (merge_insn): Use message_with_line.
19815 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19816 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19818 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19820 * expr.c (store_constructor): Clear union if constructor is empty.
19822 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19824 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19825 Add !endian checks. Change %{...} to %(...).
19827 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19829 * i386.md (*addsi3_cc): Renamed from addcsi3.
19830 (*addsi3_carry): Renamed from addxsi3.
19831 (*subsi3_cc): Renamed from subcsi3.
19832 (*subsi3_carry): Renamed from subxsi3.
19833 (*xorqi_cc_1): Renamed from xorcqi_1.
19834 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19835 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19837 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19839 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19840 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19842 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19844 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19845 climb up the chain of insns.
19847 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19849 * genrecog.c (write_subroutine): Careful for null trees.
19850 (process_tree): Don't elide empty functions.
19852 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19854 * Makefile.in (genrtl.o): Depend on ggc.h.
19855 * configure.in (valloc): Probe for it.
19856 (with-gc): Use ggc-page if valloc present.
19857 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19858 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19859 (ggc_alloc_string): Moved from ggc-page.c.
19860 * ggc-none.c (ggc_alloc_obj): New.
19861 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19862 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19863 (struct globals): Likewise for dev_zero_fd.
19864 (init_ggc): Likewise for it's initialization.
19865 (ggc_allocated_p): Move careful dereference from ...
19866 (ggc_lookup_page_table): ... here. Delete.
19867 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19868 (alloc_anon): Use valloc if no mmap.
19869 (release_pages): Use free if using valloc.
19870 (ggc_alloc_obj): Renamed from alloc_obj.
19871 (ggc_set_mark): Renamed from mark_obj.
19872 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19873 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19874 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19875 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19876 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19877 (ggc_collect): Use fp printing instead of our own rounding.
19878 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19879 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19880 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19881 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19882 (struct ggc_string, struct ggc_any): Delete.
19883 (offsetof): Provide default definition.
19884 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19886 (struct ggc_mem): New, from corpse of ggc_any.
19887 (struct ggc_status): Delete.
19888 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19889 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19890 (n_strings_collected, n_anys_collected): Delete.
19891 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19892 (ggc_alloc_string, ggc_alloc): Delete.
19893 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19894 (ggc_free_string, ggc_free_any): Delete.
19895 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19896 (ggc_compare_addresses, ggc_mark_string): Delete.
19897 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19898 (search_data): Delete.
19899 (struct globals): New.
19900 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19901 (tree_insert, tree_lookup): New.
19902 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19903 (clear_marks, sweep_objs): New.
19904 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19905 (init_ggc): Set allocated_last_gc.
19906 (ggc_push_context): Gut. Use G.context.
19907 (ggc_pop_context): Likewise.
19908 (ggc_pop_context_1): New.
19909 (debug_ggc_tree): New.
19910 (debug_ggc_balance, tally_leaves): New.
19911 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19912 (ggc_mark_string_if_gcable): Remove decl.
19913 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19914 (ggc_mark_rtvec_children): New.
19915 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19916 (ggc_mark_if_gcable): New decl.
19917 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19918 (ggc_alloc_tree, ggc_alloc): Likewise.
19919 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19920 (ggc_alloc_obj): New decl.
19921 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19922 (ggc_alloc_tree, ggc_alloc): Likewise.
19923 (ggc_set_mark): New decl.
19924 * rtl.h (struct rtx_def): Remove gc_mark.
19925 (struct rtvec_def): Likewise.
19926 * tree.h (struct tree_common): Likewise.
19928 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19930 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19931 float_format and thread_file definitions.
19932 * configure: Rebuilt.
19934 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19936 * extend.texi (Function Names): Document types of function names.
19938 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19940 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19941 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19943 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19945 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19947 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19949 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19951 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19953 * collect2.c (main): Do prelimnary link on AIX if rflag.
19955 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19957 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19958 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19960 (__do_global_dtors): similarly for __DTOR_LIST__.
19962 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19963 Diego Novillo <dnovillo@cygnus.com>
19965 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19968 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19970 * fixincl/*: Merged "no_bogosity" branch
19971 * fixincl/fixlib.h: protect against doubly defining t_bool
19972 * fixincl/server.h: protect against doubly defining t_bool
19974 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19976 * genoutput.c: Include toplev.h.
19978 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19980 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19982 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19983 * configure: Regenerate.
19985 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19987 * gcse.c (delete_null_pointer_checks): Returns void.
19989 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19991 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19992 * emit-rtl.c (copy_insn_1): Likewise.
19994 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19996 * config/mips/mips.c (mips_build_va_list): Correct
19997 TREE_CHAIN setting when hard-float.
19998 (mips_va_start): Use corrected setting.
19999 (mips_va_arg): Likewise. Also pass a tree to build of
20000 POSTINCREMENT_EXPR rather than a naked 'int'.
20002 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
20004 * ggc.h (ggc_push_context): Fix comment.
20005 (ggc_pop_context): Likewise.
20006 (mark_string_if_gcable): Likewise.
20007 * ggc-common.c (ggc_mark_rtx_children): Use
20008 ggc_mark_string_if_gcable.
20009 * ggc-page.c (ggc_lookup_page_table): New function.
20010 (ggc_allocated_p): Likewise.
20011 (mark_obj): Fix formatting.
20012 (ggc_mark_string_if_gcable): New function.
20013 * ggc-simple.c (ggc_allocated_strings): New variable.
20014 (ggc_strings_used): Likewise.
20015 (ggc_compare_addresses): New function.
20016 (ggc_pop_context): Pop the `any' memory too.
20017 (ggc_mark_string_if_gcable): New function.
20018 (ggc_collect): Initialize and tear down ggc_allocated_strings.
20020 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
20022 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
20023 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
20024 * rs6000.c (expand_block_move): Match movstrsi_?reg register
20027 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
20029 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
20030 (sched_reg_live_length, sched_reg_basic_block): Delete.
20031 (current_block_num, bb_live_regs, old_live_regs): Delete.
20032 (dead_notes, struct sometimes): Delete.
20033 (sched_note_set, birthing_insn_p): Delete.
20034 (adjust_priority): Gut useless reg lifetime code.
20035 (create_reg_dead_note, attach_deaths): Delete.
20036 (attach_deaths_insn, new_sometimes_live): Delete.
20037 (finish_sometimes_live): Delete.
20038 (find_pre_sched_live, find_post_sched_live): Delete.
20039 (update_reg_usage): Delete.
20040 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
20041 (schedule_insns): Delete reg lifetime code.
20042 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
20043 (unlink_other_notes): Adjust REG_NOTE commentary.
20044 (reemit_notes): Use REG_SAVE_NOTE.
20045 (schedule_block): Likewise.
20046 (schedule_region): Allocate bitmap of blocks in region. Use
20047 count_or_remove_death_notes. Use update_life_info.
20049 * rtl.h (REG_SAVE_NOTE): New.
20050 * rtl.c (reg_note_name): Update.
20052 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
20054 * combine.c (refresh_blocks, need_refresh): New.
20055 (combine_instructions): Allocate refresh_blocks. Invoke
20056 update_life_info if needed.
20057 (distribute_notes): Mark refresh_blocks instead of installing
20059 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
20060 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
20062 * Makefile.in (recog.o): Depend on basic-block.h.
20064 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
20066 * genrecog.c (add_to_sequence): Thinko last change: delete
20067 shadowing allow_const_int variable.
20069 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20071 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
20072 __GNUC__ and __GNUC_MINOR__.
20074 * gansidecl.h: Likewise.
20080 * toplev.h: Likewise.
20082 * tree.c: Likewise.
20084 * tree.h: Likewise.
20086 * varray.c: Likewise.
20088 * varray.h: Likewise.
20090 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20092 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
20093 use one before a jump table.
20095 * rtl.def (ADDRESS): Change documentation to match reality.
20096 * md.texi: Don't document it.
20097 * gmicro.md (load address pattern): Use 'p' constraint, delete use
20100 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
20102 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
20104 * genrecog.c (add_to_sequence): Move allow_const_int test outside
20105 known predicate block; default allow_const_int true.
20106 (debug_decision_list): New.
20108 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
20110 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
20112 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
20114 * gcse.c (gcse_main): Avoid global optimizations if we have a
20115 large number of basic blocks and the ratio of edges to blocks
20117 (delete_null_pointer_checks): Likewise.
20119 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
20121 * c-common.c (check_format_info): Warn if format string isn't a
20124 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20126 * configure.in (arm*-*-*): Don't let autoconf remove brackets
20127 * configure: regenerate
20129 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
20131 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
20132 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
20133 (peepholes): Re-enable.
20135 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
20137 * Makefile.in (flow.o): Depend on TREE_H.
20138 * basic-block.h (REG_SET_EQUAL_P): New.
20139 (XOR_REG_SET): New.
20140 (n_edges): Declare.
20141 (free_regset_vector): Remove declaration.
20142 (flow_delete_insn_chain): Declare.
20143 (enum update_life_extent): New.
20144 (update_life_info, count_or_remove_death_notes): Declare.
20145 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
20146 Verify register live at bb->global_live_at_start before adding USE.
20147 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
20148 (CLEAN_ALLOCA): New.
20150 (PROP_*): New flags.
20151 (find_basic_blocks_1): Use alloc_EXPR_LIST.
20152 (clear_edges): Zero n_edges.
20153 (make_edge): Increment n_edges.
20154 (split_edge): Don't allocate bb->local_set. Increment n_edges.
20155 (flow_delete_insn_chain): Export.
20156 (delete_block): Decrement n_edges.
20157 (merge_blocks_nomove): Likewise.
20158 (life_analysis): Give life_analysis_1 PROP flags.
20159 (verify_wide_reg_1, verify_wide_reg): New.
20160 (verify_local_live_at_start): New.
20161 (update_life_info): Rewrite to call into propogate_block.
20163 (mark_regs_live_at_end): After reload, if epilogue as rtl,
20164 always mark stack pointer. Conditionally mark PIC register.
20165 After reload, mark call-saved registers, return regsiters.
20166 (life_analysis_1): Accept PROP flags not remove_dead_code.
20167 Call mark_regs_live_at_end before zeroing regs_ever_live.
20168 Use calculate_global_regs_live. Copy global_live_at_end before
20169 calling final propagate_block. Zero reg_next_use on exit.
20170 (calculate_global_regs_live): New.
20171 (allocate_bb_life_data): Don't allocate bb->local_set.
20172 (init_regset_vector, free_regset_vector): Remove.
20173 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
20174 Test flags before every operation. Warn if prologue/epilogue insn
20175 would have been deleted.
20176 (mark_set_regs, mark_set_1): Accept and use FLAGS.
20177 Use alloc_EXPR_LIST.
20178 (mark_used_regs): Accept and use FLAGS, not FINAL.
20179 Remove special handling for RETURN.
20180 (try_pre_increment): Use alloc_EXPR_LIST.
20181 (dump_flow_info): Dump n_edges.
20182 (unlink_insn_chain, split_hard_reg_notes): Remove.
20183 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
20184 (find_insn_with_note, new_insn_dead_notes): Remove.
20185 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
20186 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
20187 (replace_insns): Remove.
20188 (count_or_remove_death_notes): New.
20189 (verify_flow_info): Abort on error after all checks.
20190 (remove_edge): Decrement n_edges.
20191 (remove_fake_edges): Tweak format.
20192 * haifa-sched.c (schedule_insns): Use split_all_insns.
20193 * output.h (update_life_info): Remove declaration.
20194 * recog.c (split_all_insns): From the corpse of split_block_insns,
20195 do the whole function block by block. Use update_life_info.
20196 (recog_last_allowed_insn): New.
20197 (recog_next_insn): Mind it.
20198 (peephole2_optimize): Set it. Walk backwards through blocks.
20199 Use update_life_info.
20200 * rtl.h (update_flow_info, replace_insns): Remove declarations.
20201 (split_all_insns): Declare.
20202 * toplev.c (rest_of_compilation): Thread prologue before flow2.
20203 Use split_all_insns.
20205 * i386.md (or -1 peep2s): Disable.
20207 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
20209 * config/mips/mips.md (movstrsi+[123]) : Combine these into
20210 a single pattern. Scrap the 'd' versions as unnecessary.
20212 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
20213 tablejump_mips162,tablejump_internal4): The operands to a
20214 label_ref must be VOIDmode.
20216 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20218 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
20220 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20222 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
20224 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20226 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
20227 cache every function if ggc_p.
20229 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20231 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
20232 instead of copy_rtx. Accept sequences that contain asm statements.
20233 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
20234 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
20235 orig_asm_operands_vector, copy_asm_operands_vector,
20236 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
20238 * rtl.h (copy_insn, copy_insn_1): Declare.
20240 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20242 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
20244 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
20245 arguments to `current_file_function_operand'.
20247 * genrecog.c: Include hard-reg-set.h and resource.h in the
20248 generated output file.
20250 * real.c: Include tm_p.h.
20252 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20254 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
20257 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
20259 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
20260 before the fctiwz insn.
20262 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20263 Mark Mitchell <mark@codesourcery.com>
20265 * tree.c (make_lang_type_fn): New funtion pointer.
20266 (make_lang_type): Call it.
20267 * tree.h (make_lang_type): Declare.
20268 (make_lang_type_fn): Likewise.
20269 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20271 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20273 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20274 make sure that HIGH instructions are copied into BASE_REGS.
20276 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20278 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20280 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20282 * c-decl.c (finish_struct): Use simpler method of
20283 removing elements of a singly-linked list.
20285 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20287 * alpha.md (peephole2's): Comment out peephole2's that generate
20290 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20292 * genrecog.c (add_to_sequence): Disable mode check for
20295 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20297 * ggc-simple.c (init_ggc): Set empty_string.
20299 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20301 * configure.in: Detect mmap. Add --with-gc=foo to select
20302 garbage collector; default to page if mmap available.
20303 * Makefile.in (GGC): Substitute.
20305 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20307 * c-decl.c (ggc_p): Enable.
20309 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20311 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20313 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20315 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20316 string for little-endian-data.
20318 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20320 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20321 case somebody tries to compile --enable-checking code with gcc
20324 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20326 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20329 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20331 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20332 * jump.c (jump_optimize_1): Document why.
20334 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20336 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20337 pointers and casts for `int_handler' and `quit_handler'.
20339 * flow.c (verify_flow_info, split_hard_reg_notes,
20340 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20341 remove_edge, remove_fake_successors): Add static prototypes.
20342 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20343 (mark_set_1): Initialize variable `regno'.
20344 (unlink_insn_chain): Likewise for variable `curr'.
20345 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20347 * loop.c (strength_reduce): Initialize variable
20348 `unrolled_insn_copies'.
20349 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20350 prototypes. Change these functions to take const PTR parameters
20351 to avoid prototype conflict when used as the comparson argument
20353 (check_dbra_loop): Initialize variable `comparison_val'.
20355 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20356 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20357 (find_valid_class): Initialize variable `best_class'.
20358 (find_reloads): Call memcpy, not bcopy.
20360 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20361 (hard_reg_use_compare): Don't needlessly cast away const.
20362 (reload_reg_class_lower): Likewise.
20363 (choose_reload_regs): Initialize variable `regno'.
20365 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20367 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20369 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20371 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20372 ({,d}discard): Add forward declarations. Declare parameter as
20374 (main_without_main): Explicitly declare return type to be int.
20375 (memcpy): Properly declare.
20377 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20378 building the trampoline support, declare malloc, free, and
20380 (__clear_cache): Mark arguments as potentially unused.
20382 * frame.c (toplevel): If inhibit_libc is defined, declare
20385 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20387 * flow.c (make_edge): Accept an optional 2D bitmap in which
20388 to cache edge existence. Update all callers.
20389 (make_label_edge, make_eh_edge): Pass through the edge cache.
20390 (make_edges): Provide the cache.
20392 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20394 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20396 (local_mbtowc): Change the type of variable `i' from int to size_t.
20398 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20399 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20401 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20403 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20404 after other includes that define the appropriate types. Include
20405 tm_p.h for getting user prototypes.
20406 * ggc-callbacks.c (toplevel): Ditto.
20407 * ggc-none.c (toplevel): Ditto.
20408 * gcc-page.c (toplevel): Ditto.
20409 * ggc-simple.c (toplevel): Ditto.
20411 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20412 Jonathan Larmour <jlarmour@cygnus.co.uk>
20414 * config/mips/mips.c (mips_move_2words): Split doubles if
20415 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20417 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20419 * genrecog.c (struct decision_test): New.
20420 (struct decision): Remove test-related members, sort the rest by size.
20421 (IS_SPLIT): Simplify.
20422 (new_decision, new_decision_test): New.
20423 (add_to_sequence): Use them. No special handling for args of
20425 (maybe_both_true): Renamed from not_both_true; return sense changed.
20426 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20427 of maybe_both_true and adjusted for decision_test.
20428 (position_merit): Remove.
20429 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20430 (merge_accept_insn): New, broken out of merge_trees.
20431 (merge_trees): Use them. No special case for c_test; no node
20432 splitting; use test type instead of position_merit.
20433 (factor_tests): New.
20434 (simplify_tests): New.
20435 (break_out_subroutines): Don't write code now.
20436 (find_afterward): New.
20437 (write_afterward, write_switch, write_cond): New.
20438 (write_action, is_unconditional): New.
20439 (write_node): New. Use them.
20440 (write_tree_1): Rewrite. Use the new functions above.
20441 (write_tree): Remove afterward processing.
20442 (write_subroutine): Simplify function variant emission.
20443 (write_subroutines): New.
20444 (same_codes, clear_codes): Remove.
20445 (same_modes, clear_modes): Remove.
20446 (write_header): New, broken out of main.
20447 (make_insn_sequence): Use new_decision and new_decision_test.
20448 (process_tree): New, broken out of main.
20449 (main): Adjust for merge_trees interface change.
20450 Don't #define operands in the output file.
20451 (record_insn_name): New, broken out of make_insn_sequence.
20452 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20453 (debug_decision): New.
20455 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20457 * resource.c (find_free_register): Mark class_str argument const.
20458 * resource.h: Update prototype to match.
20460 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20461 * i386.md: Give all anonymous insns names.
20463 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20465 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20468 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20470 * toplev.c (dbr_sched_time): Unconditional.
20471 (peephole2_time): New.
20472 (compile_file): Add pass numbers to all of the dump file suffixes.
20473 Dump peephole2_time. Don't dump times for non-applicable passes.
20474 (rest_of_compilation): Add pass numbers to dump file suffixes.
20475 Conditionalize calls to the scheduler.
20476 * invoke.texi: Update.
20478 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20480 * flow.c (make_edges): Fix insn iteration.
20481 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20482 (find_basic_blocks_1): Fix spelling mistake.
20484 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20486 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20487 always have side-effects. Use memset not bzero.
20488 (make_node): Likewise.
20490 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20492 * stmt.c (expand_anon_union_decl): When any of the elements of the
20493 union is addressable, so is the entire union.
20495 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20497 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20499 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20500 * bitmap.c (bitmap_operation): Return true iff TO changed.
20501 (bitmap_equal_p): New.
20502 (bitmap_bit_p): Tidy arithmetic.
20503 (debug_bitmap_file): Likewise.
20505 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20507 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20508 before cse2 instead of after.
20510 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20512 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20515 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20517 * cppinit.c (is_idchar initializer): Loosen tests to accept
20520 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20522 * mips.md: Define conditional move patterns for floating point
20523 operands and DI mode conditions.
20525 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20527 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20528 always have side-effects.
20530 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20532 * mn10200.c (asm_file_start): Fix typo.
20534 * cppinit.c (is_idchar initializer): Tighten tests for when
20535 to put the table into initialized memory.
20537 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20538 not an array of rtunion.
20539 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20540 * gcc-simple (ggc_free_rtvec): Similarly.
20542 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20545 * mbchar.h: Add missing #endif.
20547 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20548 (FPBIT, DPBIT): Define.
20550 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20552 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20554 * profile.c (instrument_arcs, output_gcov_string,
20555 tablejump_entry_p): Add static prototypes.
20556 (output_gcov_string): Constify a char*.
20558 * regmove.c (replacement_quality, fixup_match_2): Add static
20561 * resource.h (reg_dead_p): Add extern prototype.
20563 * rtl.c (trim_filename): Add static prototype.
20565 * scan-decls.c (skip_to_closing_brace): Likewise.
20567 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20568 (expand_end_case): Initialize variable `range'.
20569 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20571 * varasm.c (asm_emit_uninitialised): Add static prototype.
20572 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20575 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20577 * cpplib.c (if_directive_nameo): Add static prototype.
20579 * cse.c (cse_insn): Remove unused variable `p'.
20581 * except.c (create_rethrow_ref, push_entry,
20582 receive_exception_label, new_eh_region_entry, find_func_region,
20583 clear_function_eh_region, process_nestinfo): Add static prototypes.
20584 (get_reg_for_handler): Hide definition.
20585 (process_nestinfo): Initialize variable `extra_handlers'.
20587 * expr.h (expand_builtin_longjmp): Add extern prototype.
20589 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20591 * function.c (prepare_function_start): Likewise.
20592 (pop_function_context_from): Mark parameter `context' with
20594 (push_temp_slots_for_block, flush_addressof): Hide definition.
20596 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20597 solve_program_flow_graph, calculate_branch_probs,
20598 function_summary, main, fancy_abort): Add prototypes.
20600 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20601 (add_hash): Constify a char*.
20603 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20604 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20605 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20607 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20609 * lists.c (free_list, zap_lists): Likewise.
20611 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20613 * alias.c (nonlocal_reference_p): Add static prototype.
20615 * bitmap.c (bitmap_element_allocate): Prototype args in function
20618 * builtins.c (stabilize_va_list): Add static prototype.
20619 (expand_builtin_va_arg): Constify a char*.
20621 * c-lex.c (getch, put_back, extend_token_buffer_to,
20622 read_line_number, token_getch, token_put_back): Add static
20625 * c-parse.gperf (hash, is_reserved_word): Likewise.
20627 * cccp.c (is_dir_separator): Likewise.
20629 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20631 * graph.h: New file to prototype functions exported by graph.c.
20633 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20635 * graph.c: Include graph.h.
20637 * toplev.c: Likewise. Remove redundant prototypes.
20639 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20641 * invoke.texi: Removed duplicated description for -Q.
20643 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20645 * extend.texi: Grammar fix in __extension__ text.
20647 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20649 * md.texi (define_peephole2): New section.
20651 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20653 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20654 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20657 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20659 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20661 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20663 * i386.md (ffs expander): Emit Pentium friendly code for
20666 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20668 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20670 (build1): Likewise.
20672 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20674 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20676 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20678 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20679 register is in use.
20681 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20683 * md.texi (No Constraints): Delete section.
20684 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20685 * final.c (final_scan_insn): We always have register constraints.
20686 * genattrtab.c: Don't include "insn-config.h".
20687 (write_attr_case): We always have register constraints.
20688 * genconfig.c (register_constraint_flag): Delete.
20689 (walk_insn_part): Don't check whether we have register constraints.
20690 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20691 * genoutput.c (have_constraints): Delete.
20692 (main): Don't set it.
20693 (output_operand_data): We always have constraints.
20694 (scan_operands): Likewise.
20695 (compare_operands): Likewise.
20696 * local-alloc.c (block_alloc): We always have constraints.
20697 (requires_inout): Always compile this function.
20698 * recog.c (extract_insn): We always have constraints.
20699 (constrain_operands, reg_fits_class_p): Always compile these
20701 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20703 (struct insn_operand_data): Likewise.
20704 * regclass.c (regclass): We always have constraints.
20705 (record_reg_classes, copy_cost, record_address_regs,
20706 auto_inc_dec_reg_p): Always compile these functions.
20707 * regmove.c (regmove_optimize): We always have constraints.
20708 * reload.c (find_reloads): Likewise.
20709 * reload1.c (reload): Likewise.
20710 (reload_cse_simplify_operands): Likewise.
20711 * i860.c (output_delay_insn): Likewise.
20713 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20715 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20717 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20719 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20720 for the va_list record.
20722 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20724 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20727 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20729 * alias.c: Include insn-flags.h.
20730 * Makefile.in (alias.o): Update.
20732 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20734 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20735 to LTU and GEU. Handle more cases using sbb.
20737 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20739 * i386.md (truncatexfdf splitters): Do not use subreg.
20740 (fop XFmode patterns): Fix mode in operand testing.
20742 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20744 * jump.c (jump_optimize_1): Amend last change to test only the
20745 form of the operand, not the insn.
20747 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20748 not register_operand to determine when B may need preloading.
20750 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20752 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20753 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20754 (call-value patterns): Move to end of file.
20755 (*): Remove mode from label_ref in (pc) context.
20756 (movstrqi): Use memory not general_operand for BLKmode operands.
20757 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20758 to register_operand operands.
20759 (peep2 patterns): Convert from commented-out peephole patterns.
20761 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20763 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20764 to BUILT_IN_INIT_DWARF_REG_SIZES.
20765 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20766 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20767 expand_builtin_init_dwarf_reg_sizes.
20768 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20769 with __builtin_init_dwarf_reg_size_table.
20770 * dwarf2out.c (struct reg_size_range): Delete.
20771 (expand_builtin_init_dwarf_reg_sizes): New function.
20772 (expand_builtin_dwarf_reg_size): Delete.
20773 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20774 (expand_builtin_dwarf_reg_size): Don't declare.
20775 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20776 (dwarf_reg_size_table): New.
20777 (init_reg_size_table): New function.
20778 (copy_reg): Use dwarf_reg_size_table.
20779 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20782 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20784 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20785 Correctly build argument list to constructor and destructor functions.
20787 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20789 * c-tree.h (warn_float_equal): Declare.
20790 * c-decl.c (warn_float_equal): Define.
20791 (c_decode_option): Recognize -W[no-]float-equal.
20792 * c-typeck.c (build_binary_op): Conditionally warn
20793 about equality tests of floating point types.
20794 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20795 * invoke.texi: Add docs for -Wfloat-equal warning.
20797 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20799 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20800 generating RTL directly.
20801 * mips.h (INIT_TARGET_OPTABS): Likewise.
20802 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20804 * expr.h (init_mov_optab): Delete declaration
20806 * h8300.c (WORD_REG_USED): Update to avoid useless register
20807 saves in interrupt functions and functions which never return.
20809 * cse.c (struct set): Delete inner_dest_loc field.
20810 (cse_insn): Remove assignments to inner_dest_loc field.
20812 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20814 * ggc-page.c: Don't include <unistd.h> etc taken care of
20815 by "system.h". Include <sys/mman.h> afterward.
20817 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20819 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20822 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20824 * xcoffout.c (xcoffout_declare_function): Add documentation.
20825 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20826 TARGET_64BIT. Compare constant to -1, not bit pattern.
20827 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20828 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20831 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20833 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20834 origin_die is NULL.
20835 (gen_inlined_enumeration_type_die): Do not abort if the type has
20836 not been writeen out.
20837 (gen_inlined_structure_type_die): Do not abort if the type has
20838 not been writeen out.
20839 (gen_inlined_union_type_die): Do not abort if the type has
20840 not been writeen out.
20841 (gen_tagged_type_instantiation_die): Do not abort if the type
20842 has not been written out.
20844 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20846 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20848 * reg-stack.c (straighten_stack): Copy hard reg set with
20851 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20853 * builtins.c (stabilize_va_list): Stabilize array type va_list
20854 to a pointer type, not the base record type.
20855 (expand_builtin_va_copy): Dereference the pointers explicitly;
20856 use the correct size for the copy.
20858 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20859 (rs6000_va_arg): Likewise.
20861 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20863 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20865 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20867 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20869 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20871 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20873 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20874 (init_ggc): Use it instead of a constant.
20875 (ggc_collect): Bound allocated_last_gc by it.
20877 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20879 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20882 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20884 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20885 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20886 * configure: Regen.
20887 * config/mips/openbsd.h: New, OpenBSD little endian target.
20888 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20889 * config/mips/xm-openbsd.h: New, OpenBSD host.
20891 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20893 * config/m68k/m68k.c (output_function_prologue,
20894 output_function_epilogue): Use
20895 current_function_uses_pic_offset_table instead of regs_ever_live
20896 to decide whether to save/restore pic register.
20897 (legitimize_pic_address): Don't modify regs_ever_live any more.
20899 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20901 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20902 * stor-layout.c (variable_size): Don't add sizes to the pending
20903 sizes list if x_dont_save_pending_sizes_p is set.
20905 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20907 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20908 for symbolic_operand().
20909 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20911 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20913 * combine.c (gen_rtx_combine): Add missing call to va_end().
20915 * final.c (asm_fprintf): Likewise.
20917 * genattrtab.c (attr_rtx): Likewise.
20919 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20921 * cse.c: Update comments.
20922 (cse_insn): When converting a conditional/computed jump into
20923 an unconditional jump, always make sure a BARRIER immediately
20924 follows the converted jump. Do not delete unreachable code.
20925 (cse_basic_block): Do not delete unreachable code.
20926 * toplev.c (rest_of_compilation): Move call to
20927 delete_trivially_dead_insns after the conditional call to
20930 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20932 * collect2.c (make_temp_file): Don't prototype.
20934 * gcc.c (make_temp_file): Likewise.
20936 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20938 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20940 * varasm.c (asm_emit_uninitialised): New function: Generate
20941 the assembler statements necessary to declare an uninitialised
20943 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20945 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20946 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20948 (assemble_variable): Use asm_emit_uninitialised to emit an
20949 uninitialised variable.
20951 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20953 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20954 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20955 <geoffk@cygnus.com>.
20957 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20959 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20960 * c-common.h (builtin_function): Don't declare.
20962 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20964 (pushdecl): Likewise.
20965 (finish_decl): Likewise.
20966 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20967 int. All callers changed.
20968 Set the builtin's DECL_BUILT_IN_CLASS.
20969 * tree.h (enum built_in_class): New.
20970 (enum built_in_function): Delete NOT_BUILT_IN.
20971 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20973 (DECL_SET_FUNCTION_CODE): Likewise.
20974 (DECL_BUILT_IN_CLASS): New macro.
20975 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20976 (struct tree_decl): Split builtin function code field into a
20978 (builtin_function): Declare.
20980 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20982 * optabs.c (init_traps): Fix typo in last change.
20984 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20986 * toplev.c (rest_of_decl_compilation): Update comment.
20988 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20990 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20991 in .sbss if appropriate.
20992 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20993 (SBSS_SECTION_ASM_OP): New macro.
20994 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20995 (EXTRA_SECTIONS): Add in_sbss.
20996 * config/mips/mips.h: Prototype sbss_section.
20998 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
21000 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
21003 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
21005 * optabs.c (init_traps): Register trap_rtx as a GC root.
21007 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21009 * config/mips/mips.c (function_arg_pass_by_reference): Define
21010 unconditionally, since it's called unconditionally.
21012 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21014 * toplev.c (documented_lang_options): Add -fshort-wchar.
21015 * c-decl.c (c_decode_option): Likewise.
21016 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
21018 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
21019 * gcc.c (default_compilers): If -fshort-wchar,
21020 override __WCHAR_TYPE__.
21021 * tm.texi (C Dialect Options): Add -fshort-wchar.
21023 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
21024 symbol for a variable.
21026 * cpplib.h (CPP_PREPROCESSED): New macro.
21027 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
21028 we're seeing this input for a second time.
21030 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
21032 * emit-rtl.c (init_emit_once): Initialize modes first.
21034 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
21036 * config/i386/i386.c (pic_label_name): Change to char pointer.
21037 (global_offset_table): New variable.
21038 (load_pic_register): Fill global_offset_table if it hasn't
21039 already been done. Allocate pic_label_name dynamically.
21040 * ggc.h (empty_string): New variable.
21041 * ggc-simple.c (empty_string): Likewise.
21042 (init_ggc): Allocate empty_string and add as root.
21043 * stmt.c (digit_strings): New variable.
21044 (init_stmt): Add last_block_end_note as root. Allocate and
21045 initialize digit_strings.
21046 (expand_asm_operands): Use empty_string instead of string
21047 constant. Use digit_strings instead of string constants.
21048 * profile.c (init_arc_profiler): Allocate string with
21049 ggc_alloc_string instead of xmalloc.
21050 (output_func_start_profiler): Likewise.
21051 * c-typeck.c (digest_init): Check if init is error_mark_node.
21053 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
21054 Richard Henderson <rth@cygnus.com>
21056 * ggc-page.c: New file.
21057 * Makefile.in (ggc-page.o): New.
21059 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
21061 * invoke.texi: Document -fdelete-null-pointer-checks
21062 * toplev.c (flag_delete_null_pointer_checks): New.
21063 (f_options): Add entry for -fdelete-null-pointer-checks.
21064 (rest_of_compilation): Conditionalize null pointer check
21065 elimination on flag_delete_null_pointer_checks.
21066 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
21068 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
21070 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
21071 copyright notice and special exception to GPL.
21073 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21075 * abi64.h (mips_function_value): Add prototype arguments.
21077 * mips-protos.h: New file with mips prototypes.
21079 * mips.c: Include "tm_p.h".
21080 (mktemp, lookup_name): Add prototype arguments.
21081 (extern_list, string_constant, mips_fill_delay_slot,
21082 mips_output_external, mips_output_external_libcall,
21083 mips_output_filename, mips_declare_object, function_prologue,
21084 mips_expand_prologue, function_epilogue, mips16_constant,
21085 build_mips16_function_stub, mips_output_conditional_branch):
21087 (mips_va_start): Remove unused variable `u'.
21088 (mips_va_arg): Cast value to unsigned when comparing against one.
21090 (save_restore_insns, mips_expand_prologue): Add missing arg in
21091 call to `large_int'.
21093 * mips.h: Move prototypes to mips-protos.h.
21094 (data_section, memory_address_p, rdata_section,
21095 readonly_data_section, simple_epilogue_p, text_section): Delete
21096 prototypes delcared elsewhere.
21097 (mips_epilogue_delay_slots, print_options): Delete unused decls.
21099 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
21101 * mips.md: Delete extra args in call to `mips_move_2words'.
21103 * xm-iris6.h (alloca): Add prototype argument.
21105 * genpeep.c: Include "tm_p.h" in generated output file.
21107 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21109 * basic-block.h (find_edge_index): Change parameters.
21110 * flow.c (verify_edge_list): Pass basic_block parameters to
21111 find_edge_index instead of integers.
21113 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
21115 * combine.c (simplify_comparison): Use an unsigned shift to adjust
21118 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
21120 * gcc.1: Fix a formatting error.
21122 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21124 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
21125 i786, mn10200, mn10300, pdp11, v850.
21127 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
21129 * libgcc2.c (num_digits): Add prototype with
21130 __attribute__((const)).
21131 (__terminate): Add prototype.
21133 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
21135 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
21137 * alpha/alpha.c (print_operand): Fix type of `code'.
21138 (alpha_output_filename): Constify.
21139 * alpha/alpha.h: Move all function declarations ...
21140 * alpha/alpha-protos.h: ... here. New file.
21141 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
21142 (SECTION_FUNCTION_TEMPLATE): Likewise.
21144 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21146 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
21147 * expr.c (expand_expr): Likewise.
21148 (do_jump): Likewise.
21149 (do_store_flag): Pass ccp_store_flag to can_compare_p.
21150 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
21152 (enum can_compare_purpose): New.
21153 (can_compare_p): Adjust prototype.
21154 (prepare_cmp_insn, prepare_operand): Declare.
21155 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
21156 * optabs.c (cmp_available_p): Deleted.
21157 (expand_abs): Pass ccp_jump to can_compare_p.
21158 (can_compare_p): New arg PURPOSE. Check for combined optabs.
21159 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
21160 Call can_compare_p rather than cmp_available_p.
21161 (prepare_operand): No longer static.
21162 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
21163 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
21164 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
21165 sequence to use emit_cmp_and_jump_insns.
21166 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
21168 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
21170 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
21171 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
21172 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
21173 (plus (reg) (const_int 0))
21174 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
21176 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
21178 * rs6000.c (expand_block_move): DImode loads and stores require
21179 word-aligned displacements. Increment address registers with
21180 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
21182 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
21184 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
21185 is no name for the base type, rather than segfault. If we are
21186 writing out a complex integer type, use DW_ATE_lo_user.
21188 * expr.c (emit_move_insn_1): If we are copying a complex that fits
21189 in one word or less (complex char, complex short, or on 64 bit
21190 systems complex float) to/from a hard register, copy it through
21191 memory instead of dying in gen_{real,imag}part. If we have a
21192 short complex type, prevent inlining since it allocates stack
21195 * tree.c (build_complex_type): If we are writing dwarf2 output,
21196 generate a name for complex integer types.
21198 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21200 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
21201 * flow.c (remove_edge): Remove extra whitespace.
21202 (remove_fake_edges): Fix comment.
21203 (add_noreturn_fake_exit_edges): Use the correct name.
21205 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
21207 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
21208 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
21209 (clean): Depend on INTL_CLEAN.
21210 (maintainer-clean): Adjust.
21212 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21214 * configure.in (AC_PREREQ): Bump to 2.13.
21215 (AC_C_STRINGIZE): Call this instead of using a custom macro.
21217 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
21219 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
21221 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
21223 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
21224 (HAVE_STRINGIZE): Define.
21226 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
21228 * c-parse.in: save and restore warn_pointer_arith on __extension__
21229 along with pedantic.
21230 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
21231 Set the type of extension to itype rather than $<itype>1 kludge.
21232 * extend.texi (Alternate Keywords): Adjust documentation.
21233 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
21235 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
21237 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
21238 most assembler templates.
21240 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
21241 FP loads and stores.
21242 (following_call): Always return zero for the PA8000.
21243 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
21244 FP loads and stores.
21245 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
21247 * pa.h (BRANCH_COST): Define.
21249 * pa.md (return, return_internal): Use bve for PA2.0.
21251 * pa.md (fused multiply): Add variants which reduce height for the
21252 fused multiply, but which still generate 2 insns.
21253 (fnegabs): Similarly.
21255 * pa.md (subsi3): Turn into an expander. Create two anonymous
21256 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
21257 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
21259 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21261 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21263 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21264 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21266 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21269 * flow.c (record_active_eh_regions): Terminate loop after finding
21270 the last insn in the last basic block.
21272 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21274 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21276 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21278 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21280 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21282 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21283 splitting to not use output template.
21285 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21287 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21288 * config/c4x/c4x.c (c4x_va_start): New function.
21290 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21292 * genrecog.c (not_both_true): Handle correctly cases when called for
21293 tests with different positions in the insn.
21295 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21297 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21299 * system.h (HOST_PTR_PRINTF): ... to here.
21301 * mips-tfile.c: Don't include machmode.h.
21303 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21304 (mips-tfile.o): Don't depend on machmode.h.
21306 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21308 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21309 avoid conflicts with typedef struct `region' at the top level scope.
21311 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21313 * basic-block.h (basic_block): Add eh_beg, eh_end.
21314 * flow.c (entry_exit_blocks): Update.
21315 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21316 Call new functions.
21317 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21318 lists.c functions to allocate insn lists.
21319 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21321 (make_eh_edge): ... here. New.
21322 (move_stray_eh_region_notes): New.
21323 (record_active_eh_regions): New.
21324 (delete_unreachable_blocks): Split out block merging ...
21325 (try_merge_blocks): ... here. New.
21326 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21327 Dump debugging data.
21328 (merge_blocks_move_successor_nojumps): Likewise.
21329 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21331 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21333 * extend.texi (Bound member functions): Document unbound pmf
21336 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21338 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21339 has the EXIT_BLOCK as a dest.
21341 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21343 * flow.c (remove_edge): New function to remove an edge from the
21345 (remove_fake_successors): New function to remove fake successor edges.
21346 (remove_fake_edges): New function to remove all fake edges from the
21348 (add_fake_exit_edges): New function to add fake edges from all blocks
21349 with no successors to the exit block.
21350 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21351 prototypes for new functions.
21353 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21355 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21356 Use Pmode to determine whether to output .dword or .word.
21358 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21360 * tree.c (built_in_filename): New variable.
21361 (BUILT_IN_FILENAME): New macro.
21362 (init_tree_codes): Allocate built_in_filename.
21363 (make_node): Use built_in_filename instead of string constant.
21365 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21367 * configure.in: Add fr30 target.
21368 * configure: Regenerate.
21369 * config/fr30: New directory.
21370 * config/fr30/crti.asm: New file.
21371 * config/fr30/fr30.c: New file.
21372 * config/fr30/crtn.asm: New file.
21373 * config/fr30/fr30.h: New file.
21374 * config/fr30/fr30.md: New file.
21375 * config/fr30/lib1funcs.asm: New file.
21376 * config/fr30/t-fr30: New file.
21377 * config/fr30/xm-fr30.h: New file.
21379 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21381 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21382 BARRIER at the end of the successor, not the BARRIER before
21385 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21387 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21389 * stmt.c (any_pending_cleanups): Don't crash when
21390 current_function->stmt is unset.
21392 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21394 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21395 other initializations that may use it for relative offsets.
21397 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21399 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21400 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21401 * config/i386/sol2dbg.h: Removed.
21402 * config/i386/sol2gas.h: New file, to enable gas work-around.
21403 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21404 Don't use sol2dbg.h.
21405 * configure: Rebuilt.
21407 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21409 * invoke.texi (-fthis-is-variable): Remove documentation.
21411 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21413 * basic-block.h (compute_bb_for_insn): Declare.
21414 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21415 to use; set size of basic_block_for_insn directly.
21416 (find_basic_blocks): Update.
21418 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21420 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21422 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21424 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21425 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21427 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21429 * c-decl.c (c_decode_option): Extend comment.
21431 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21433 * toplev.c (progname): Make 'const char *'
21434 (flag_print_mem): Move out of main.
21435 (version_flag): Move out of main.
21436 (filename): Move out of main.
21437 (debug_args): Remove g prefix from options.
21438 (documented_lang_options): Remove cpplib specific options.
21439 (display_help): Add g prefix to debug options.
21440 (check_lang_option): Delete this function.
21441 (decode_d_option): New function: Decode -d... option.
21442 (decode_f_option): New function: Decode -f... option.
21443 (decode_W_option): New function: Decode -W... option.
21444 (decode_g_option): New function: Decode -g... option.
21445 (independent_decode_option): New function: Decode a language
21446 independent command line option.
21447 (main): Invoke lang_decode_option and then
21448 independent_decode_option on each command line option in
21451 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21453 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21454 * fold-const.c (fold_range_test): Do not try to fold the range
21455 test if the rhs or lhs has side effects.
21457 * basic-block.h (compute_flow_dominators): Declare.
21459 * gcse.c (alloc_code_hoist_mem): New function.
21460 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21461 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21462 (hoist_code, one_code_hoisting_pass): Likewise.
21463 (gcse_main): If optimizing for size, then hoist expressions
21464 computed in multiple dominated basic blocks.
21466 * gcse.c (invalid_nonnull_info): New function.
21467 (delete_null_pointer_checks): Likewise.
21468 * rtl.h (delete_null_pointer_checks): Declare.
21469 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21471 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21472 (merge-blocks_move_successor_nojumps): Likewise.
21473 (merge_blocks): Allow merging of some blocks, even if it requires
21474 physical movement of the blocks, but not if it requires new jumps.
21476 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21477 Callers and prototype changed.
21478 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21480 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21482 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21483 -YP when both -p and -pg are present. From i386/sol2.h.
21485 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21487 * Makefile.in (distclean): Delete tm_p.h.
21488 * configure.in: Create a new file, "tm_p.h", from a list in
21489 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21490 "i386/i386-protos.h".
21492 * alias.c: Include "tm_p.h".
21493 * c-typeck.c: Likewise.
21494 * calls.c: Likewise.
21496 * emit-rtl.c: Likewise.
21497 * explow.c: Likewise.
21498 * expmed.c: Likewise.
21499 * expr.c: Likewise.
21500 * final.c: Likewise.
21501 * flow.c: Likewise.
21502 * fold-const.c: Likewise.
21503 * function.c: Likewise.
21504 * gcse.c: Likewise.
21505 * global.c: Likewise.
21506 * haifa-sched.c: Likewise.
21507 * integrate.c: Likewise.
21508 * jump.c: Likewise.
21509 * local-alloc.c: Likewise.
21510 * loop.c: Likewise.
21511 * optabs.c: Likewise.
21512 * recog.c: Likewise.
21513 * reg-stack.c: Likewise.
21514 * regclass.c: Likewise.
21515 * regmove.c: Likewise.
21516 * reload.c: Likewise.
21517 * reload1.c: Likewise.
21518 * reorg.c: Likewise.
21519 * resource.c: Likewise.
21520 * stmt.c: Likewise.
21521 * stor-layout.c: Likewise.
21522 * toplev.c: Likewise.
21523 * tree.c: Likewise.
21524 * unroll.c: Likewise.
21525 * genattrtab.c (main): Make generated file include "tm_p.h".
21526 * genemit.c (main): Likewise.
21527 * genoutput.c (main): Likewise.
21528 * genrecog.c (main): Likewise.
21530 * i386.h: Delete all prototypes.
21531 * i386.c: Include "tm_p.h".
21532 (ix86_attr_length_default): Call constant_call_address_operand
21533 with correct number of arguments.
21534 * i386-protos.h: New file.
21535 * i386.md (unnamed patterns): Call constant_call_address_operand
21536 with correct number of arguments.
21537 (exception_receiver): Call load_pic_register with correct number
21540 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21542 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21544 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21546 * rtl.h (insns_safe_to_move_p): New function.
21547 * loop.c (find_and_verify_loops): Use it.
21548 * rtlanal.c (insns_safe_to_move_p): Define it.
21550 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21552 * c-pragma.c: Include ggc.h.
21553 * Makefile.in (c-pragma.o): Update.
21555 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21557 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21558 (LIB_SPEC): Likewise.
21559 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21560 Reindent -YP/-p/-pg.
21561 Copied from config/sparc/sol2.h.
21563 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21565 * c-pragma.c (mark_align_stack): New.
21566 (init_pragma): New.
21567 * c-pragma.h (init_pragma): Declare it.
21568 * c-lex.c (init_parse): Call it.
21570 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21572 * configure.in: Pick up thread library on Solaris/x86 just
21573 like on Solaris/sparc.
21574 * configure: Rebuilt.
21576 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21578 * rtl.h (global_rtx_index): New enum.
21579 (global_rtl): Change to array of rtx.
21580 (pc_rtx, cc0_rtx): Redefine accordingly.
21581 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21582 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21583 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21584 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21585 (const_int_rtx): Change to array of rtx.
21586 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21588 * emit-rtl.c (global_rtl): Change to array of rtx.
21589 (const_int_rtx): Change to aray of rtx.
21590 (gen_rtx_CONST_INT): Redefine accordingly.
21591 (init_emit_once): Allocate and initialize global_rtl. Likewise
21592 for const_int_rtx. Add both as GC roots.
21593 * genattrtab.c (global_rtl): Update declaration.
21595 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21597 * Makefile (USER_H): Add iso646.h back.
21599 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21601 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21602 zapping the LOG_LINKS of sched_before_next_call.
21604 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21605 * pa.c (insn_refs_are_delayed): Renamed from
21606 insn_sets_and_refs_are_delayed.
21608 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21610 * functiion.h (struct function): Add x_whole_function_mode_p.
21611 (retrofit_block): Declare.
21612 * function.c (retrofit_block): New function.
21613 (identify_blocks): Add assertions. Allow an incomplete set of
21614 block notes if we're still generating code for the function.
21615 * integrate.c: Include loop.h.
21616 (expand_inline_function): Call find_loop_tree_blocks to map block
21617 notes to blocks when in whole-function mode. Use retrofit_block
21618 to insert new BLOCKs for the inlined function, rather than
21620 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21621 * Makefile.in (integrate.o): Depend on loop.h.
21623 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21625 * tree.h (warn_about_unused_variables): Declare.
21626 * stmt.c (warn_about_unused_variables): New function, split out
21628 (expand_end_bindings): Here.
21630 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21632 * stmt.c (preserve_subexpressions_p): Don't crash when
21633 current_function->stmt is unset.
21635 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21637 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21638 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21639 (expand_start_target_temps): Use it.
21640 * except.c (expand_eh_region_start_for_decl): Likewise.
21641 * expr.c (expand_expr): Likewise.
21643 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21645 * fold-const.c (operand_equal_p): Pay attention to side effects.
21647 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21649 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21650 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21652 * tlink.c (scan_linker_output): Look for keywords before accepting
21653 a mangled name in quotes.
21655 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21657 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21658 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21660 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21662 * alpha.md: Revert Thu Nov 26 change that came in through the
21663 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21664 Avoid earlyclobber when possible.
21666 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21668 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21670 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21671 Define HAVE_ON_EXIT.
21673 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21675 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21676 CTYPE_CONV in all ctype macros.
21678 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21681 * cexp.y (initialize_random_junk): Likewise.
21683 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21685 * i370.c (handle_pragma): Likewise.
21687 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21689 * v850.c (override_options): Likewise.
21691 * doprint.c (_doprnt): Likewise.
21693 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21696 * fixinc/server.c (load_data): Likewise.
21698 * fold-const.c (real_hex_to_f): Likewise.
21700 * genattr.c (write_upcase, gen_attr): Likewise.
21702 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21703 write_upcase): Likewise.
21705 * genemit.c (print_code): Likewise.
21707 * genopinit.c (gen_insn): Likewise.
21709 * genpeep.c (print_code): Likewise.
21711 * genrecog.c (print_code): Likewise.
21713 * optabs.c (init_libfuncs): Likewise.
21715 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21717 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21719 (reemit_notes): Likewise.
21721 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21723 * ggc.h (ggc_root): Move to ggc-common.c.
21725 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21726 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21727 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21728 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21729 * ggc-common.c (ggc_root): Move from ggc.h.
21730 (roots): Declare, static.
21731 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21732 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21733 null or check/set mark bit.
21734 (ggc_mark_roots): New.
21735 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21737 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21739 * m32r.c: Include toplev.h.
21740 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21741 (gen_compare): Rename swap_p to must_swap to match uses.
21742 Add default abort case.
21743 (m32r_output_function_epilogue): Remove unused variables.
21744 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21745 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21746 define to empty parameter list. Update all uses.
21747 (predicate decls): Use enum machine_mode not int.
21748 * m32r.md (movsi): Call abort, not fatal_insn.
21749 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21751 1999-09-14 Andrew Haley <aph@cygnus.com>
21753 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21754 use $0 instead of 0.
21756 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21758 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21759 computation out of loop over hard regs.
21761 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21763 * function.c (identify_blocks): Don't shadow a variable in an
21765 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21766 pushdecl, or poplevel to build up the new BLOCK tree.
21767 (expand_inline_function): Likewise.
21768 (integrate_parm_decls): Likewise.
21770 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21772 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21774 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21776 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21777 * invoke.texi: Document this change.
21779 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21781 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21783 (mark_emit_status): Renamed from mark_emit_state.
21784 * except.c (mark_eh_status): Renamed from mark_eh_state.
21785 Check not null before marking.
21786 (free_eh_status): New.
21787 * expr.c (mark_expr_status, free_expr_status): New.
21788 * function.c (free_machine_status): New.
21789 (free_after_parsing): New.
21790 (free_after_compilation): Move bits to free_after_parsing; call
21791 free_eh_status, free_expr_status; zero the marked members of the
21793 (prepare_function_start): No can_garbage_collect.
21794 Call init_eh_for_function.
21795 (expand_dummy_function_end): Free up current_function state.
21796 (mark_function_status): Renamed from mark_function_state.
21797 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21798 * function.h (struct function): No can_garbage_collect.
21799 (free_machine_status, free_after_parsing): Declare.
21800 (free_eh_status, free_expr_status): Declare.
21801 * ggc.h (mark_expr_status): Declare.
21802 * stmt.c (free_stmt_status): Free the struct.
21803 (mark_stmt_status): Renamed from mark_stmt_state.
21804 (init_stmt): Don't call init_eh.
21805 (init_stmt_for_function): Don't call init_eh_for_function.
21806 * toplev.c (compile_file): Call init_eh.
21807 (rest_of_compilation): Free basic block info before ggc_collect.
21808 Call free_after_parsing; conditionally call free_after_compilation.
21809 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21810 Check not null before marking.
21811 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21813 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21815 * c-lex.c (yylex): Initialize warn.
21817 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21819 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21820 register when performing secondary reloads for the SAR register.
21822 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21824 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21825 (NOTE_BLOCK): New macro.
21826 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21827 * function.h (identify_blocks): Change prototype.
21828 * function.c (identify_blocks): Simplify.
21829 (reorder_blocks): Likewise.
21830 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21831 NOTE_INSN_BLOCK_{BEG,END}.
21832 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21833 the list of saved notes if the note isn't a
21834 NOTE_INSN_BLOCK_{BEG,END}.
21835 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21837 (reemit_notes): Adjust recreation of notes to reflect new saved
21839 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21840 printing a block note.
21841 * stmt.c (block_vector): Remove.
21842 (find_loop_tree_blocks): Simplify.
21843 (unroll_block_trees): Likewise.
21844 * tree.h (reorder_block): Change prototype.
21846 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21848 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21849 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21850 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21851 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21852 (atexit, exit): Simplify.
21853 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21854 * config/lots: Remove defns of HAVE_ATEXIT.
21856 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21858 * calls.c (precompute_arguments): Fix typo in comment.
21859 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21862 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21864 * dsp16xx.c (override_options): Fix typos in GC root registration.
21866 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21868 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21869 from config/svr4.h.
21870 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21871 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21872 (CC1_SPEC): Likewise.
21874 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21876 * genattr.c (main): Add extern prototype. Call return, not exit.
21877 * genattrtab.c (main): Likewise.
21878 * gencheck.c (main): Likewise.
21879 * gencodes.c (main): Likewise.
21880 * genconfig.c (main): Likewise.
21881 * genemit.c (main): Likewise.
21882 * genextract.c (main): Likewise.
21883 * genflags.c (main): Likewise.
21884 * gengenrtl.c (main): Likewise.
21885 * genopinit.c (main): Likewise.
21886 * genoutput.c (main): Likewise.
21887 * genpeep.c (main): Likewise.
21888 * genrecog.c (main): Likewise.
21890 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21891 * genattrtab.c (get_insn_name): Likewise.
21892 * gencodes.c (get_insn_name): Likewise.
21893 * genconfig.c (get_insn_name): Likewise.
21894 * genemit.c (get_insn_name): Likewise.
21895 * genextract.c (get_insn_name): Likewise.
21896 * genflags.c (get_insn_name): Likewise.
21897 * genopinit.c (get_insn_name): Likewise.
21898 * genpeep.c (get_insn_name): Likewise.
21900 * gencheck.c (usage): Add static prototype.
21901 * genextract.c (print_path): Constify a char*.
21902 * genopinit.c (optabs): Likewise.
21903 * genoutput.c (operand_data, data, output_predicate_decls,
21904 compare_operands): Likewise.
21905 * genrecog.c (write_tree): Add default case in switch.
21907 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21909 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21911 * print-rtl.c (get_insn_name): Remove prototype.
21913 * toplev.h (progname): Declare const.
21915 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21916 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21917 dump_sched_info, dump_local_alloc, regset_release_memory,
21918 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21919 error_with_file_and_line, error_with_decl, error_for_asm, error,
21920 fatal, warning_with_file_and_line, warning_with_decl, warning,
21921 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21922 Remove redundant prototypes.
21924 (notice, check_lang_option, report_file_and_line, vnotice,
21925 mark_file_stack): Add static prototype.
21926 (set_fatal_function): Add prototype.
21927 (vnotice, report_file_and_line, set_fatal_function,
21928 check_lang_option): Constify a char*.
21929 (main): Prototype. Call return, not exit.
21931 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21933 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21935 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21937 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21939 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21941 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21943 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21944 behave as if it's zero in all cases.
21945 (expand_function_start): Adjust call to assign_parms.
21946 * tree.h (assign_parms): Adjust prototype.
21947 * objc/objc-act.c (hack_method_prototype): Adjust call to
21950 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21952 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21953 arg_pointer_rtx fixed if the argument pointer register is
21955 (NONZERO_BASE_PLUS_P): Likewise.
21957 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21959 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21960 match_insn2 to match_insn.
21961 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21963 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21965 * Makefile.in (USER_H): Remove va-foo.h.
21967 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21968 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21969 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21970 va-spur.h,va-v850.h}: Remove.
21972 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21974 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21975 (in_return_delay): Use it instead of match_insn.
21977 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21979 * config/alpha/va_list.h (va-alpha.h): Do not include.
21980 (__gnuc_va_list): Typedef as in varargs.h.
21982 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21984 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21985 DECL_LIVE_RANGE_RTL.
21987 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21989 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21990 not NOTE_BLOCK_NUMBER.
21991 (expand_eh_region_end): Likewise.
21992 (find_exception_handler_labels): Likewise.
21993 (scan_region): Likewise.
21994 (exception_optimize): Likewise.
21995 (update_rethrow_references): Likewise.
21996 (set_insn_eh_region): Likewise.
21997 * final.c (final_scan_insn): Likewise.
21998 * flow.c (make_edges): Likewise.
21999 * integrate.c (expand_inline_function): Likewise.
22000 * print-rtl.c (print_rtx): Likewise.
22002 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
22004 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
22005 terms of builtin functions and types.
22007 * mips.c (mips_build_va_list): New.
22008 (mips_va_start, mips_va_arg): New.
22009 * mips.h (BUILD_VA_LIST_TYPE): New.
22010 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22012 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
22013 (sh_build_va_list, sh_va_start, sh_va_arg): New.
22014 * sh.h (BUILD_VA_LIST_TYPE): New.
22015 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22017 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
22019 * recog.h (struct recog_data): Make dup_num, operand_address_p,
22020 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
22021 (struct insn_data): Likewise with n_operands, n_dups,
22022 n_alternatives, output_format.
22023 * regclass.c (scan_one_insn): Cast n_operands to int before
22024 arithmetic inside comparison.
22026 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
22028 * toplev.c (compile_function): Unconditionally emit nop.
22030 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22032 * haifa-sched.c (actual_hazard): Move declaration of variable
22033 `this_cost' into the scope where it is used.
22035 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22037 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
22038 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
22039 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
22041 * genrecog.c (make_insn_sequence): Call memset, not bzero.
22043 * jump.c (find_insert_position): Don't declare or define unless
22044 !HAVE_conditional_arithmetic.
22045 (returnjump_p_1, delete_prior_computation): Add static prototypes.
22047 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
22049 * recog.c (offsettable_address_p): Prototype function pointer.
22050 (preprocess_constraints): Call memset, not bzero.
22052 * tree.c (tree_node_kind_names): Constify a char*. Make static.
22053 (gcc_obstack_init): Don't declare.
22054 (fix_sizetype): Add static prototype.
22055 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
22056 (tree_cons): Call memset, not bzero.
22058 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
22059 definition in macro ASM_WEAKEN_LABEL.
22060 (mark_const_hash_entry): Add static prototype.
22062 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22064 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
22066 * unroll.c (find_common_reg_term, subtract_reg_term,
22067 loop_find_equiv_value): Add static prototypes.
22068 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
22069 (copy_loop_body): Remove unreachable break statement.
22071 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
22073 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
22075 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22077 Undo some changes from the gcc2 merge:
22078 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
22079 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
22083 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
22084 * emit-rtl.c (gen_lowpart_common): Disable optimization of
22085 initialized float-int union if the value is a NaN.
22087 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
22089 * gthr-win32.h: New file.
22091 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
22092 shared as a valid attribute.
22093 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
22094 * extend.texi: Document `shared' variable attribute.
22096 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
22098 * configure.in: Handle --enable-threads on FreeBSD.
22099 * configure: Rebuit.
22101 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22103 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
22105 * configure: Rebuilt.
22107 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
22108 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
22109 Rosimildo DaSilva <rdasilva@connecttel.com>
22111 * configure.in (m68k-*-rtemscoff*): Added.
22112 * configure.in (mips64orion-*-rtems*): Converted to ELF.
22113 * configure.in (sparc-*-rtemsaout*): Added as alias for old
22114 sparc-rtems configuration.
22115 * configure.in (sparc-*-rtemself*): Added.
22116 * configure.in (sparc-*-rtems*): Now ELF not a.out.
22117 * config/i386/rtems.h: Added comment.
22118 * config/sparc/rtemself.h: New file.
22120 * configure.in (m68k-rtemself): Added.
22121 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
22122 and DWARF_DEBUGGING_INFO.
22123 * config/m68k/crti.s: New file.
22124 * config/m68k/crtn.s: New file.
22125 * config/m68k/t-crtstuff: New file.
22126 * config/m68k/rtemself.h: New file.
22128 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
22129 global ctor/dtor and C++ exception handling.
22130 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
22131 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
22133 * config/i386/t-rtems-i386: New File.
22135 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
22137 * stmt.c (expand_end_case): Return right away if the case stack is
22140 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
22142 * Makefile.in (version.c): Remove rule incorrectly brought in from
22145 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
22147 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
22148 * msdos/top.sed: Take into account a prepended $(SHELL) to
22150 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
22152 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
22154 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22156 * regmove.c (fixup_match_1): Don't change an unchanging register.
22157 (stable_but_for_p): Renamed to:
22158 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
22159 Changed all callers.
22161 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
22163 * loop.c (strength_reduce): Don't call reg_used_between_p if the
22164 insn from BL2 is after the insn from BL.
22166 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
22168 * recog.h (INSN_OUTPUT_FORMAT_*): New.
22169 (struct insn_data): Merge `template' and `outfun' into `output'.
22170 Add `output_format'.
22171 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
22172 (struct data): Remove `outfun'; add `output_format'.
22173 (name_for_index): Remove declaration.
22174 (output_insn_data): Handle output formats.
22175 (process_template): Emit the bare array for @.
22176 (gen_expand, gen_split): Set output_format to NONE.
22177 * output.h (get_insn_template): Declare.
22178 * final.c (get_insn_template): New.
22179 (final_scan_insn): Use it.
22180 * toplev.c (compile_file): Likewise.
22182 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22183 * i860/i860.c (output_delayed_branch): Likewise.
22184 (output_delay_insn): Likewise.
22186 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22188 * rtl.c (obstack_alloc_rtx): Removed.
22190 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
22192 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
22194 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
22196 * i386.c (call_insn_operand): Reject const_int.
22197 (expander_call_insn_operand): Use call_insn_operand.
22199 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22201 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
22203 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
22205 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
22206 Use DImode operation.
22208 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
22210 * gcc.c: Include sys/resource.h.
22211 (report_times): New flag.
22212 (execute): If report_times is set, calculate and report the
22213 CPU time consumed by each subprocess.
22215 (rus, prus): New globals.
22216 (option_map): Add --time.
22217 (display_help): Document -time.
22218 (process_command): Set report_times if -time is given.
22219 Turn off -pipe if -time is given.
22221 * invoke.texi: Document new option -time.
22223 * configure.in: Check for getrusage. Check if we have to
22224 prototype getrusage.
22225 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
22226 * configure: Regenerate.
22227 * config.in: Regenerate.
22229 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
22231 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
22234 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
22236 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
22237 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
22238 (nan): Return _thenan_sf or _thenan_df as appropriate.
22239 (L_thenan_sf): Define _thenan_sf.
22240 (L_thenan_df): Define _thenan_df.
22242 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
22243 (DPBIT_FUNCS): Add _thenan_df.
22245 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
22247 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
22250 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22252 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
22255 (lang_specific_driver): Don't take a function pointer parameter.
22256 All callers changed.
22258 * gcc.c: Include gcc.h.
22259 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
22260 lang_specific_extra_outfiles, fatal): Don't declare.
22261 (multilib_defaults_raw): Constify.
22262 (read_specs): Call memset, rather than bzero.
22263 (main): Call return, not exit.
22264 (lookup_compiler): Call memcpy, not bcopy.
22265 (fatal): Make extern.
22267 * cppspec.c: Include gcc.h.
22268 (lang_specific_driver): Initialize variable `quote'. Constify a
22269 char*. All calls to the function pointer parameter now
22270 explicitly call `fatal'.
22272 * gccspec.c (lang_specific_driver): Include gcc.h.
22274 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22276 * arm.c (note_invalid_constants): Use recog_data.operand_type
22279 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22281 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22284 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22285 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22286 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22287 reload_secondary_in_reload, reload_secondary_out_reload,
22288 reload_secondary_in_icode, reload_secondary_out_icode,
22289 reload_reg_rtx, reload_when_needed): Delete declarations.
22290 (struct reload): New structure.
22291 (rld): Declare new array.
22292 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22293 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22294 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22295 reload_secondary_in_reload, reload_secondary_out_reload,
22296 reload_secondary_in_icode, reload_secondary_out_icode,
22297 reload_reg_rtx, reload_when_needed): Delete definitions.
22299 (whole file): Replace uses of the deleted arrays with uses of rld.
22300 * reload1.c (whole file): Replace uses of the deleted arrays with
22302 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22303 explicit loops, not with bcopy.
22305 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22307 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22308 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22309 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22310 insn_name): Delete and consolidate into new structures.
22311 (insn_operand_predicate_fn): New.
22312 (insn_output_fn): New.
22313 (insn_gen_fn): New.
22314 (struct insn_operand_data): New.
22315 (struct insn_data): New.
22317 (OUT_FCN): Update for insn_data change.
22318 * builtins.c (expand_builtin_strlen): Likewise.
22319 (expand_builtin_memcmp): Likewise.
22320 * combine.c (make_extraction, simplify_comparison): Likewise.
22321 * cse.c (canon_reg, cse_insn): Likewise.
22322 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22323 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22324 (emit_store_flag): Likewise.
22325 * expr.c (convert_move, emit_block_move): Likewise.
22326 (clear_storage, emit_push_insn, expand_increment): Likewise.
22327 (do_store_flag): Likewise.
22328 * expr.h (GEN_FCN): Likewise.
22329 (insn_gen_function): Die.
22330 * final.c (final_scan_insn): Update for insn_data change.
22331 (output_asm_name): Likewise.
22332 * function.c (fixup_var_refs_1): Likewise.
22333 * loop.c (check_dbra_loop): Likewise.
22334 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22335 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22336 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22337 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22338 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22339 * regmove.c (gen_add3_insn): Likewise.
22340 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22341 (find_reloads, find_reloads_address_1): Likewise.
22342 (debug_reload_to_stream): Likewise.
22343 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22344 * stmt.c (expand_end_case): Likewise.
22345 * toplev.c (compile_file): Likewise.
22347 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22348 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22350 * print-rtl.c (insn_name_ptr): Remove declaration.
22351 (get_insn_name): Declare.
22352 (print_rtx): Use it.
22353 * genoutput.c (insn_name_ptr): Remove.
22354 (next_operand_number): New.
22355 (struct operand_data): New.
22356 (null_operand, odata, odata_end): New.
22357 (struct data): Use struct operand_data.
22358 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22359 (get_insn_name): Renamed from name_for_index.
22360 (output_prologue): Define NO_MD_PROTOTYPES.
22361 (output_predicate_decls): Break out from output_epilogue.
22362 Iterate over the operands list.
22363 (output_operand_data): Break out from output_epilogue. Emit
22364 just the operands list.
22365 (output_insn_data): Break out from output_epilogue. Emit just
22367 (output_epilogue): Remove.
22368 (output_get_insn_name): New.
22369 (constraints, op_n_alternatives, predicates, address_p): Die.
22370 (modes, strict_low, seen): Die.
22371 (scan_operands): Take new param `d' instead of writing to
22372 seven global variables.
22373 (compare_operands): New.
22374 (place_operands): New.
22375 (validate_insn_alternatives): Update for struct data change.
22376 (gen_insn): Don't zero or copy 7 global arrays. Update for
22377 scan_operands; call place_operands.
22378 (gen_peephole, gen_expand, gen_split): Likewise.
22379 (main): Update for new output routines.
22381 * genattr.c (insn_name_ptr): Remove.
22382 (get_insn_name): New function.
22383 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22384 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22385 * genrecog.c: Likewise.
22387 * alpha.md (adddi3): Make `pattern' array static.
22389 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22391 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22392 c4x_cpu_version_string): Constify char *.
22393 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22394 c4x_cpu_version_string): Likewise.
22396 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22398 * tree.c (save_tree_status): Revert 10 Sep change.
22399 (restore_tree_status): Likewise. Call obstack_free with NULL
22400 before freeing the obstack proper.
22402 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22404 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22406 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22407 surrounding context.
22409 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22411 * tree.c (type_hash_canon): Put all types in the hash-table, when
22414 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22416 * recog.h (struct recog_data, recog_data): New.
22417 (recog_foo variables): Kill.
22418 * recog.c (recog_operand, recog_operand_loc): Kill.
22419 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22420 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22421 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22422 (recog_data): Define.
22423 (extract_insn): Update all recog_foo references to use recog_data.
22424 (preprocess_constraints, constrain_operands): Likewise.
22425 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22426 * genattrtab.c (main): Likewise.
22427 * genextract.c (main): Likewise.
22428 * genoutput.c: Likewise.
22429 * genrecog.c (write_subroutine, main): Likewise.
22430 * local-alloc.c (block_alloc): Likewise.
22431 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22432 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22433 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22434 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22435 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22436 (reload_cse_simplify_operands): Likewise.
22438 * arc/arc.c (arc_final_prescan_insn): Likewise.
22439 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22440 * h8300/h8300.c (notice_update_cc): Likewise.
22441 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22442 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22443 * mn10200/mn10200.c (notice_update_cc): Likewise.
22444 * mn10300/mn10300.c (notice_update_cc): Likewise.
22445 * romp/romp.c (update_cc): Likewise.
22446 * sparc/sparc.c (check_pic): Likewise.
22447 * v850/v850.c (notice_update_cc): Likewise.
22449 * genemit.c (main): Don't declare recog_operand.
22451 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22453 * ggc.h (rtvec_def): Forward declare.
22454 (tree_node): Likewise.
22455 (ggc_root): Define.
22457 (ggc_set_mark_rtx): Add prototype.
22458 (ggc_set_mark_rtvec): Likewise.
22459 (ggc_set_mark_tree): Likewise.
22460 * ggc-simple.c (ggc_root): Don't define.
22461 (roots): Don't declare.
22462 (ggc_mark_rtx): Remove.
22463 (ggc_mark_rtvec): Likewise.
22464 (ggc_mark_tree): Likewise.
22465 (ggc_mark_varray): Likewise.
22466 (ggc_mark_tree_hash_table_entry): Likewise.
22467 (ggc_mark_tree_hash_table): Likewise.
22468 (ggc_set_mart_rtx): New function.
22469 (ggc_set_mark_rtvec): Likewise.
22470 (ggc_set_mark_tree): Likewise.
22471 (ggc_add_root): Remove.
22472 (ggc_add_rtx_root): Likewise.
22473 (ggc_remove_tree_root): Likewise.
22474 (ggc_add_string_root): Likewise.
22475 (ggc_add_tree_varray_root): Likewise.
22476 (ggc_add_tree_hash_table_root): Likewise.
22477 (ggc_del_root): Likewise.
22478 (ggc_mark_rtx_ptr): Likewise.
22479 (ggc_mark_tree_ptr): Likewise.
22480 (ggc_mark_string_ptr): Likewise.
22481 (ggc_mark_tree_varray_ptr): Likewise.
22482 (ggc_mark_tree_hash_table_ptr): Likewise.
22483 * ggc-common.c: New file.
22484 * Makefile.in (OBJS): Add ggc-common.o.
22485 (ggc-common.o): List dependencies.
22487 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22489 * cppalloc.c (xstrdup): Use memcpy.
22490 * cpperror.c (cpp_print_containing_files): Don't use
22492 * cpplib.c (conditional_skip): Set temp->lineno.
22493 (do_endif): Make error message less obscure.
22494 (if_directive_name): New function.
22495 (cpp_get_token [case EOF]): Unwind the if stack and generate
22496 error messages for each unterminated conditional in this file.
22497 (parse_string): Do not behave differently if -traditional.
22499 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22501 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22502 va_list decomposing to pointer-type.
22503 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22504 (rs6000_va_arg): Likewise.
22506 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22508 * except.c (start_dynamic_handler): Compute size using
22509 STACK_SAVEAREA_MODE.
22511 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22513 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22514 include directory headers. Don't define strrchr. Don't provide
22515 my_* replacement functions. Prefer PTR over `pointer_type'.
22516 Don't prototype system functions. Don't redefine getopt.
22518 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22519 safe_read, safe_write, save_pointers, restore_pointers,
22520 is_id_char, in_system_include_dir, directory_specified_p,
22521 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22522 find_corresponding_lparen, referenced_file_is_newer,
22523 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22524 process_aux_info_file, identify_lineno, check_source,
22525 seek_to_line, forward_to_next_token_char, output_bytes,
22526 output_string, output_up_to, other_variable_style_function,
22527 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22528 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22529 find_static_definition, connect_defs_and_decs, add_local_decl,
22530 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22531 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22532 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22533 scan_for_missed_items, edit_file, string_list_cons): Add static
22535 (standard_exec_prefix, target_machine, target_version,
22536 default_syscalls_dir, string_list, string_list_cons, find_file,
22537 do_cleaning): Constify a char*.
22538 (safe_read, safe_write): Use PTR, not a char*.
22539 (is_id_char): Take an int, not a char.
22540 (main): Add prototype. Call return, not exit.
22542 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22544 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22545 when comparing types.
22547 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22549 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22550 (strength_reduce): Release the varrays from the no-bivs early exit.
22552 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22553 the loop over the registers.
22555 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22557 (restore_tree_status): Check that instead when freeing the obstack.
22559 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22561 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22564 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22566 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22567 operand size modifiers.
22569 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22571 * c-common.c (c_common_nodes_and_builtins): Don't build
22573 * c-common.h (enum c_tree_index and related accesor macros): Remove
22574 everything now declared in tree.h.
22575 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22576 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22577 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22578 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22579 unsigned_type_node, ptr_type_node, va_list_type_node,
22580 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22581 (init_decl_processing): Call build_common_tree_nodes and
22582 build_common_tree_nodes_2 instead of building their nodes here.
22583 Don't add roots for these nodes.
22584 * stor-layout.c (size_zero_node, size_one_node): Delete.
22585 (set_sizetype): Make a new node for bitsizetype each time.
22586 * tree.c (global_trees): New variable.
22587 (init_obstacks): Add a gc root for it.
22588 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22589 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22590 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22591 (build_common_tree_nodes): New function.
22592 (fix_sizetype): New function.
22593 (build_common_tree_nodes_2): New function.
22594 * tree.h (enum tree_index): New.
22595 (global_trees): Declare.
22596 Add accessor macros for all nodes now moved to global_trees.
22597 Delete their declarations.
22599 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22601 * c-decl.c (finish_function): When processing a nested function,
22602 push and pop GC context around rest_of_compilation.
22604 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22606 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22607 Default ix86_arch to PROCESSOR_I386.
22608 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22609 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22610 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22611 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22612 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22613 (EXTRA_SPECS): Remove deleted specs.
22615 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22617 * function.c (assign_stack_local_1): Allocate from
22618 function->x_frame_offset, not frame_offset.
22620 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22622 * ggc.h (lang_cleanup_tree): Remove.
22623 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22624 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22626 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22627 TYPE_LANG_SPECIFIC when garbage collecting.
22628 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22629 (lang_cleanup_tree): Remove.
22631 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22633 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22634 * crtstuff.c: Not here.
22635 * dwarf2out.c: Or here.
22636 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22639 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22641 * function.h (free_after_compilation): Remove decl parameter.
22642 (free_varasm_status0: Likewise.
22643 (free_emit_status): Likewise.
22644 (free_stmt_status): Likewise.
22645 (free_after_compilation): Likewise.
22646 (init_lang_status): New variable.
22647 (free_lang_status): Likewise.
22648 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22649 * function.c (init_lang_status): New variable.
22650 (free_lang_status): Likewise.
22651 (push_function_context_to): Don't set function::decl here.
22652 (free_after_copmilation): Make decl parameter implicit. Call
22653 free_lang_status if defined.
22654 (prepare_function_start): Call init_lang_status if defined.
22655 (init_function_start): Set function::decl here.
22656 * profile.c (output_func_start_profiler): Don't call pushdecl
22657 until we've actually started the function.
22658 * stmt.c (free_stmt_status): Make decl parameter implicit.
22659 * toplev.c (rest_of_compilation): Don't pass decl to
22660 free_after_compilation.
22661 * varasm.c (free_varasm_status): Likewise.
22663 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22665 * except.c (call_get_eh_context): Add root when allocating static
22668 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22670 * arm.c: Include "ggc.h".
22671 (arm_add_gc_roots): New function.
22672 (arm_override_options): Call it.
22673 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22675 * arm.md (define_asm_attributes): Add a pool_range attribute.
22677 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22679 * extend.texi (Volatiles): New node.
22681 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22683 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22684 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22685 (struct ggc_any): Replace `mark' with `magic_mark'.
22686 (ggc_alloc_string): Use memcpy, not bcopy.
22687 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22688 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22689 (ggc_free_any): New.
22690 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22691 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22692 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22693 Use IS_MARKED. Use ggc_free_any.
22695 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22697 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22699 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22701 * toplev.c (main): Always init_ggc.
22703 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22705 * except.c (find_all_handler_type_matches): Free the list if
22706 we found no matches.
22708 * combine.c (SUBST): Break out to a real function do_SUBST.
22709 (SUBST_INT): Likewise.
22710 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22711 (pre_insert): Free `inserted'.
22712 * loop.c (basic_induction_var): Always set `location'.
22714 * function.c (expand_function_end): Add initial_trampoline as a root.
22715 * rtl.h (init_varasm_once): Declare.
22716 * toplev.c (compile_file): Call it.
22717 * ggc-simple.c (ggc_mark_string_ptr): New.
22718 (ggc_add_string_root): New.
22719 (ggc_collect): Disable collection avoidance temporarily.
22720 * ggc.h (ggc_add_string_root): Declare.
22721 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22722 * optabs.c (init_libfuncs): Likewise.
22723 * varasm.c (named_section): Use ggc_alloc_string.
22724 (make_function_rtl): Likewise.
22725 (make_decl_rtl): Likewise.
22726 (assemble_static_space): Likewise.
22727 (assemble_trampoline_template): Likewise.
22728 (output_constant_def): Likewise.
22729 (force_const_mem): Likewise.
22730 (mark_const_hash_entry): New.
22731 (mark_pool_sym_hash_table): New.
22732 (mark_varasm_state): Use it.
22733 (init_varasm_once): New.
22735 * expr.h (init_one_libfunc): Declare.
22736 * optabs.c (init_one_libfunc): New.
22737 (init_optabs): Use it.
22738 * config/gofast.h: Likewise.
22739 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22740 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22742 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22744 * Makefile.in (cppexp.o): Depend on cpphash.h.
22745 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22747 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22748 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22749 redefining poisoned identifiers, etc.
22750 (do_undef): Don't allow poisoned identifiers to be undefined.
22751 (do_pragma): Add #pragma poison.
22752 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22754 * cccp.c: Add T_POISON node type.
22755 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22757 (do_define): Generalise to handle poisoned definitions,
22758 redefining poisoned identifiers, etc.
22759 (do_undef): Don't allow poisoned identifiers to be undefined.
22760 (do_pragma): Add #pragma poison.
22761 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22763 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22764 * c-pragma.h: Add ps_poison state. We now always have generic
22767 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22769 * ggc.h (ggc_alloc): New function.
22770 (ggc_mark): Likewise.
22771 * ggc-simple.c (ggc_any): New structure.
22772 (ggc_status): Add anys.
22773 (n_anys_collected): New variable.
22774 (ggc_alloc): Define.
22775 (ggc_mark): Likewise.
22776 (ggc_collect): Collect the anys.
22778 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22780 * c-decl.c (mark_binding_level): Make static to match prototype.
22782 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22784 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22786 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22788 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22789 will use into account. Expand the max width to 5.
22792 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22794 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22795 for the rtx length.
22797 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22799 * alpha.md (call value patterns): Remove the result predicates.
22801 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22803 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22806 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22808 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22809 changed from extern char *, to extern PTR. Also fix typo in
22810 NEED_DECLARATION_REALLOC test.
22812 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22814 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22816 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22817 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22818 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22819 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22821 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22823 * cccp.c (pcfinclude): Likewise.
22825 * global.c (allocno_compare): Likewise.
22827 * haifa-sched.c (rank_for_schedule): Likewise.
22829 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22831 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22833 * stupid.c (stupid_reg_compare): Likewise.
22835 * tree.c (_obstack_allocated_p): Likewise.
22837 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22839 1999-09-08 Bruce Korb autogen@linuxbox.com
22841 * Makefile.in: Give the hapless gperf user a hint about
22842 why "gperf -F" fails.
22844 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22846 * lists.c: Include ggc.h.
22848 (init_EXPR_INSN_LIST_cache): Install it.
22850 * ggc-simple.c (init_ggc): Absorb the old init.
22851 (ggc_push_context): Use xcalloc.
22852 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22853 (ggc_collect): Add [rvts] tags to the collection stats.
22855 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22857 * cccp.c (main): Fix handling of -include and -imacros options.
22859 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22861 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22863 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22865 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22868 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22870 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22871 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22872 and SET_DEST. Update comment.
22874 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22876 * config/c4x/c4x.c: Include ggc.h.
22877 (c4x_add_gc_roots): New function.
22878 (c4x_override_options): Call c4x_add_gc_roots.
22880 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22882 * defaults.h (TARGET_ESC): Move ...
22883 * system.h: ... here, where Linas had it in the first place. Silly me.
22885 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22887 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22888 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22889 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22890 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22891 * defaults.h (TARGET_ESC): Add default.
22893 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22895 * configure.in: add i370-*-openedition, i370-*-mvs and
22896 i370-*-linux targets
22898 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22900 * dsp16xxx.c: Include ggc.h
22901 (override_options): Mark GC roots.
22902 * mn10200.c: Include ggc.h.
22903 (asm_file_start): Mark GC roots.
22904 * tahoe.c: Include ggc.h.
22905 (extensible_operand): Mark GC roots.
22907 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22909 * README: Add section discussing status of ELF ABI.
22910 * i370.c: Fix misc spelling mistakes.
22911 (i370_label_scan): Updated notes, exception handling.
22912 (i370_function_prolog): Simplify ELF stack handling.
22913 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22914 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22915 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22916 * i370.md: (movdi): Add notes.
22917 (floatsidf2): Use stack not rtca for scratch float area.
22918 (iorsi3): Correct operand constraints.
22919 * x-oe: Restore TAROUTOPTS which are used by pax.
22921 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22923 * rs6000.c: Include ggc.h.
22924 (rs6000_add_gc_roots): New function.
22925 (override_options): Call it.
22927 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22929 * alpha.h (alpha_compare): New.
22930 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22931 * alpha.c: Likewise for the definitions.
22932 (alpha_emit_conditional_branch): Update for alpha_compare.
22933 (alpha_emit_conditional_move): Likewise.
22934 * alpha.md (cmpdf, cmpdi): Likewise.
22935 (setcc patterns): Likewise. Zero alpha_compare after use.
22936 (sne): Optimize (x != 0) into (0U < x).
22938 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22940 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22941 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22942 (INIT_EXPANDERS): Remove.
22943 * alpha.c: Include ggc.h.
22944 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22945 (alpha_init_machine_status, alpha_mark_machine_status): New.
22946 (override_options): Install them.
22947 (struct machine_function): Moved to alpha.h.
22948 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22949 (alpha_init_expanders): Remove.
22950 (alpha_return_addr): Adjust to use current_function->machine.
22951 (alpha_ra_ever_killed): Likewise.
22952 (alpha_expand_epilogue): Likewise.
22953 * alpha.md (eh_epilogue): Likewise.
22955 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22956 Melissa O'Neill <oneill@cs.sfu.ca>
22957 Geoffrey Keating <geoffk@cygnus.com>
22959 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22960 call-used registers (call-saved registers must still be contiguous
22961 and end with r31, of course).
22963 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22965 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22966 (self_promoting_type_p): Delete.
22967 (self_promoting_args_p): Move ...
22968 * c-common.c: ... here.
22969 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22970 (simple_type_promotes_to): New.
22971 * builtins.c (lang_type_promotes_to): New.
22972 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22973 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22974 * c-common.h: ... here.
22975 (self_promoting_args_p, simple_type_promotes_to): Declare.
22976 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22977 (grokdeclarator): Likewise.
22978 * tree.h (lang_type_promotes_to): Declare.
22980 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22982 Add some machine-dependent GC roots.
22983 * sparc.c: Include ggc.h.
22984 (sparc_add_gc_roots): New function.
22985 (mark_ultrasparc_pipeline_state): Likewise.
22986 (override_options): Call sparc_add_gc_roots.
22987 * pa.c: Include ggc.h.
22988 (pa_add_gc_roots): New function.
22989 (mark_deferred_plabels): Likewise.
22990 (override_options): Call pa_add_gc_roots.
22991 * mips.c: Include ggc.h.
22992 (mips_add_gc_roots): New function.
22993 (override_options): Use it.
22995 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22997 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22999 * cppexp.c (parse_number, parse_charconst, cpp_lex,
23000 cpp_parse_expr): Add static prototypes.
23001 (parse_charconst): Don't cast away const-ness.
23002 (token): Constify a char*.
23004 * cppfiles.c (file_name_list, include_hash, find_include_file,
23005 finclude, initialize_input_buffer): Constify a char*.
23006 (file_cleanup, find_position): Add static prototypes.
23008 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
23009 collect_expansion): Add static prototypes.
23010 (cpp_install, create_definition, monthnames): Constify a char*.
23012 * cpphash.h (cpp_install): Likewise.
23014 * cppinit.c (known_suffixes, default_include,
23015 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
23016 (base_name, dump_special_to_buffer, initialize_dependency_output):
23017 Add static prototypes.
23019 * cpplib.c (my_strerror): Constify a char*.
23020 (null_underflow, null_cleanup, skip_comment, copy_comment,
23021 copy_rest_of_line, handle_directive, pass_thru_directive,
23022 get_directive_token, read_line_number, cpp_print_file_and_line,
23023 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
23024 v_cpp_warning_with_line, detect_if_not_defined,
23025 consider_directive_while_skipping): Add static prototypes.
23026 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
23027 cpp_pedwarn_with_file_and_line): Constify a char*.
23029 * cpplib.h (cpp_options, include_hash, progname, definition,
23030 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
23031 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
23032 find_include_file, deps_output, include_hash): Constify a char*.
23034 * cppmain.c (progname): Constify.
23035 (main): Add prototype. Use return, not exit.
23037 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
23038 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
23039 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
23040 check_protection): Add static prototype.
23042 (progname, recognized_macrom, recognized_extern): Constify a char*.
23043 (main): Add prototype.
23045 * gen-protos.c (progname): Constify a char*.
23047 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
23049 * emit-rtl.c (free_emit_status): Take decl as a parameter.
23050 (init_emit_once): Add more GC roots.
23051 * except.c (mark_func_eh_entry): New function.
23052 (mark_eh_node): Mark false_label and rethrow_label.
23053 (init_eh): Add more GC roots.
23054 * function.c (free_after_compilation): Take decl as a paramter.
23055 Call free_stmt_status.
23056 (mark_function_state): Don't assume x_parm_reg_stack_loc is
23058 * function.h (free_after_compilation): Change prototype.
23059 (free_varasm_status): Likewise.
23060 (free_emit_status): Likewise.
23061 (free_stmt_status): New function.
23062 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
23063 Remove, replacing with ...
23064 (ggc_status): New structure.
23065 (ggc_chain): New variable.
23066 (init_gcc): Define.
23067 (ggc_push_context): New function.
23068 (ggc_pop_context): Likewise.
23069 (ggc_alloc_rtx): Adjust for use of ggc_chain.
23070 (ggc_alloc_rtvec): Likewise.
23071 (ggc_alloc_tree): Likewise.
23072 (ggc_alloc_string): Likewise.
23073 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
23074 (ggc_mark_tree): Give language-dependent code a chance to mark
23076 (ggc_mark_tree_varray): Handle empty arrays.
23077 (ggc_collect): Adjust for use of ggc_chain. Clear
23078 bytes_alloced_since_last_gc.
23079 * ggc.h (ggc_pop_context): New function.
23080 (ggc_push_context): Likewise.
23081 * print-tree.c (print_node): Don't print obstacks when GC'ing.
23082 * stmt.c (free_stmt_status): New function.
23083 (init_stmt_for_function): Clear last_expr_value.
23084 * toplev.c (rest_of_compilation): Always call free_after_compilation.
23085 Conditionalize call to ggc_collect.
23086 (main): Call init_ggc.
23087 * tree.c (push_obstacks): Do the push, even when GC'ing.
23088 (push_obstacks_nochange): Likewise.
23089 (pop_obstacks): Liekwise.
23090 * varasm.c (free_varasm_status): Take decl as a parameter.
23092 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
23094 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
23095 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
23096 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
23097 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
23099 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
23101 * pa/x-pa-mpeix: New file for the MPE port.
23103 * pa/quadlib.asm: New file for long double support.
23105 * configure.in: Add hppa1.0-*-mpeix for MPE port.
23106 * configure: Rebuilt.
23108 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
23110 * final.c (shorten_branches): Fix last change.
23112 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
23114 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
23116 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
23118 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
23121 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23123 * c-aux-info.c (concat): Don't define.
23125 * cccp.c (my_strerror): Likewise. All callers changed to use
23127 (do_include): Call xstrdup, not xmalloc/strcpy.
23128 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
23129 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
23131 * collect2.c (my_strsignal): Likewise. All callers changed to use
23133 (locatelib): Call xstrdup, not xmalloc/strcpy.
23135 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
23137 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
23139 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
23141 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
23143 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
23145 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
23147 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
23149 (find_all_handler_type_matches): Likewise. Don't check return
23151 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
23152 xmalloc, not malloc.
23153 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
23155 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
23156 (init_spec): Call xcalloc, not xmalloc/bzero.
23157 (set_spec): Call xstrdup, not save_string.
23158 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
23159 (find_a_file): Call xstrdup, not xmalloc/strcpy.
23160 (process_command): Call xstrdup, not save_string.
23161 (main): Call xcalloc, not xmalloc/bzero.
23163 * gcov.c (xmalloc): Don't define.
23164 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
23165 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
23166 (output_data): Call xcalloc, not xmalloc/bzero.
23168 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
23170 * mips-tdump.c (xmalloc): Don't define.
23171 (print_symbol): Call xmalloc, not malloc.
23172 (read_tfile): Call xcalloc, not calloc.
23174 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
23175 Don't define. All callers of xfree/my_strsignal changed to use
23176 free/strsignal instead.
23177 (allocate_cluster): Call xcalloc, not calloc.
23179 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
23180 Fix memory leak, free allocated memory.
23182 * prefix.c (translate_name): Call xstrdup, not save_string.
23183 (update_path): Likewise.
23185 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
23187 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
23188 Don't define. Callers of xfree/savestring2 changed to use
23189 free/concat instead.
23191 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
23192 (init_elim_table): Likewise.
23194 * resource.c (init_resource_info): Likewise.
23196 * stupid.c (stupid_life_analysis): Likewise.
23198 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
23199 (open_dump_file): Call concat, not xmalloc/strcpy/...
23200 (clean_dump_file): Likewise.
23201 (compile_file): Call xstrdup, not xmalloc/strcpy.
23203 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
23205 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
23206 * v850.c (v850_va_arg): New.
23208 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23210 * haifa-sched.c: Tidy comments.
23212 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23214 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
23215 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
23216 $(out_object_file)): Depend on ggc.h.
23217 * c-common.c: Include "ggc.h".
23218 (combine_strings): If doing GC, use ggc_alloc_string.
23219 * c-decl.c: Include "ggc.h".
23220 (ggc_p): Define with value 0.
23221 (mark_binding_level): New function.
23222 (init_decl_processing): Add GC roots.
23223 (mark_c_function_context): New function.
23224 (lang_mark_false_label_stack): New function.
23225 (lang_mark_tree): New function.
23226 (lang_cleanup_tree): New function.
23227 * c-lang.c: Include "ggc.h".
23228 (lang_init): Call c_parse_init.
23229 * c-lex.c: Include "ggc.h".
23230 (check_linenum): If doing GC, don't copy filenames to permanent
23232 * c-parse.in: Include "ggc.h".
23233 (c_parse_init): New function.
23234 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
23235 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
23237 * except.c (mark_eh_state): Mark more state.
23238 * function.c (mark_function_state): Likewise.
23239 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
23240 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
23241 * toplev.c (mark_file_stack): New function.
23242 (compile_file): If doing GC, use ggc_alloc_string on input filename.
23243 (main): Add root for input_file_stack.
23245 * i386.c: Include "ggc.h".
23246 (ix86_mark_machine_status): New function.
23247 (override_options): Set mark_machine_status.
23249 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23251 * tree.c (copy_node): Copy node contents also if doing GC.
23253 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23255 * collect2.c (scan_libraries): Fix double-thinko :-).
23257 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
23259 * collect2.c (scan_libraries): Fix thinko.
23261 * cse.c (delete_trivially_dead_insns): Do not skip the last
23262 insn if it is a real insn.
23264 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23266 * Makefile.in (ggc-simple.o): Depend on hash.h.
23267 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23268 (ggc_mark_tree_varray): Likewise.
23269 (ggc_mark_tree_hash_table): Likewise.
23270 * ggc-simple.c: Include hash.h.
23271 (ggc_mark_tree_hash_table_ptr): New function.
23272 (ggc_mark_tree_hash_table_entry): Likewise.
23273 (ggc_mark_tree_hash_table): Likewise.
23274 (ggc_add_tree_hash_table_root): Likewise.
23275 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23276 rtx, when defining fields.
23278 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23280 * profile.c (output_func_start_profiler): Remove apparently
23281 nonsensical call to start_sequence.
23283 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23285 * clipper/clipper.c (clipper_va_start): Fix typos.
23287 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23288 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23289 (spur_va_arg): New stub.
23291 * configure.in: Comment out pyramid.
23293 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23295 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23296 don't conflict with the bits that win32, cygwin, and dgux
23299 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23300 Bernd Schmidt <bernds@cygnus.co.uk>
23302 * integrate.c (function_cannot_inline_p): Do not inline
23303 functions with forced labels.
23305 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23306 Bernd Schmidt <bernds@cygnus.co.uk>
23307 Mark Mitchell <mark@codesourcery.com>
23309 * Makefile.in (ggc-simple.o): Depend on varray.h.
23310 (rtl.o): Depend on ggc.h.
23311 (genattrtab.o): Depend on ggc.h.
23312 (print-tree.o): Likewise.
23313 (fold-const.o): Likewise.
23314 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23315 (make_insn_raw): Don't cache insns when GC'ing.
23316 (emit_insn_before): Likewise.
23317 (emit_insn_after): Likewise.
23318 (emit_insn): Likewise.
23319 (start_sequence): Use xmalloc to allocate the sequence_stack.
23320 (end_sequence): Add free to free it.
23321 (gen_sequence): Don't cache insns when GC'ing.
23322 (clear_emit_caches): Don't use sequence_element_free_list.
23323 (init_emit): Use xcalloc, not xmalloc+bzero.
23324 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23325 * function.c (pop_function_context_from): Use free to free the
23326 fixup_var_refs_queue.
23327 (put_reg_into_stack): Allocate it with xmalloc.
23328 * genattrtab.c: Include ggc.h.
23329 (operate_exp): Don't use obstack_free when GC'ing.
23330 (simplify_cond): Likewise.
23331 (simplify_text_exp): Likewise.
23332 (optimize_attrs): Likewise.
23333 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23335 (gencode): Generate a #include for ggc.h.
23336 * ggc-callbacks.c (ggc_p): Define it to zero.
23337 * ggc-none.c (ggc_p): Likewise.
23338 * ggc-simple.c: Include varray.h.
23339 (ggc_mark_tree_varray): New function.
23340 (ggc_add_tree_varray_root): Likewise.
23341 (ggc_mark_tree_varray_ptr): Likewise.
23342 * ggc.h (ggc_p): Declare.
23343 (varray_head_tag): Likewise.
23344 (ggc_add_tree_varray_root): Declare.
23345 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23346 inconsistencies when GC'ing.
23347 * rtl.c: Include ggc.h.
23348 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23349 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23350 (rtx_free): Don't call obstack_free when GC'ing.
23351 * toplev.c (rest_of_compilation): Call ggc_collect after every
23353 * tree.c (push_obstacks): Do nothing, if GC'ing.
23354 (pop_obstacks_nochange): Likewise.
23355 (pop_obstacks): Likewise.
23356 (make_node): Use ggc_alloc_tree when GC'ing.
23357 (copy_node): Likewise.
23358 (get_identifier): Use ggc_alloc_string when GC'ing.
23359 (build_string): Likewise.
23360 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23361 (tree_cons): Likewise.
23362 (build1): Likewise.
23363 (type_hash_canon): Don't call obstack_free when GC'ing.
23365 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23367 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23368 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23370 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23371 Bernd Schmidt <bernds@cygnus.co.uk>
23372 Mark Mitchell <mark@codesourcery.com>
23374 * Makefile.in (stor-layout.o): Depend on ggc.h.
23375 (expr.o): Depend on ggc.h.
23376 (profile.o): Depend on ggc.h.
23377 (stor-layout.o): Depend on ggc.h.
23378 * emit-rtl.c (init_emit_once): Add gc roots.
23379 * expr.c: Include ggc.h.
23380 (emit_block_move): Add gc roots.
23381 (clear_storage): Likewise.
23382 * expr.h (init_stor_layout_once): New function.
23383 * profile.c: Include ggc.h.
23384 (init_arc_profiler): profiler_label is a root.
23385 * scan.c (make_sstring_space): Trust xrealloc to function
23386 correctly with first parameter NULL.
23387 * stor-layout.c: Include ggc.h.
23388 (set_sizetype): Add gc root.
23389 (init_stor_layout_once): New function.
23390 * toplev.c (compile_file): Call it.
23392 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23393 Bernd Schmidt <bernds@cygnus.co.uk>
23394 Mark Mitchell <mark@codesourcery.com>
23396 * Makefile.in (tree.o): Depend on ggc.h.
23397 (varasm.o): Likewise.
23398 (function.o): Likewise.
23399 (stmt.o): Likewise.
23400 (except.o): Likewise.
23401 (optabs.o): Likewise.
23402 (emit-rtl.o): Likewise.
23403 * emit-rtl.c: Include ggc.h.
23404 (sequence_element_free_list): Remove, and all references.
23405 (mark_sequence): New functions.
23406 (mark_emit_state): New function.
23407 * except.c: Include ggc.h.
23408 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23409 (mark_tree_label_node): New functions.
23410 (mark_eh_state): New function.
23411 * function.c: Include ggc.h.
23412 (mark_temp_slot, mark_function_chain): New functions.
23413 (mark_function_state): New function.
23414 (init_function_once): New function.
23415 * function.h (init_function_once): New function.
23416 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23417 * ggc.h (label_node): Declare.
23418 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23419 (lang_mark_false_label_stack): New function.
23420 (mark_temp_slot): Remove declaration.
23421 (mark_function_chain): Likewise.
23422 (mark_eh_state): Adjust prototype.
23423 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23425 * optabs.c: Include ggc.h.
23426 (mark_optab): New function.
23427 (init_optabs): Add gc roots.
23428 * stmt.c: Include ggc.h.
23429 (mark_cond_nesting, mark_loop_nesting): New functions.
23430 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23431 (mark_stmt_state): New function.
23432 * toplev.c (compile_file): Call init_function_once.
23433 * tree.c: Include ggc.h.
23434 (type_hash): Move declaration earlier in file.
23435 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23436 (init_obstacks): Add gc roots.
23437 (mark_type_hash): New function.
23438 * varasm.c: Include ggc.h.
23439 (mark_pool_constant): New function.
23440 (mark_varasm_state): New function.
23442 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23444 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23446 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23448 * c-decl.c (struct language_function): Renamed from struct c_function.
23450 (c_function_chain): Delete.
23451 (push_c_function_context): New arg F. Don't warn about nested
23452 functions here. Fill LANGUAGE elt of F. Delete code to update
23453 c_function_chain. Don't call push_function_context.
23454 (pop_c_function_context): New arg F. Restore from there instead of
23455 from c_function_chain. Don't call pop_function_context. Clear out
23456 LANGUAGE field of F when done.
23457 * c-lang.c: Include "function.h"
23458 (lang_init): Initialize save_lang_status and restore_lang_status.
23459 * c-parse.in (nested_function, nested_function_notype): Warn about
23460 nested functions. Call push_function_context/pop_function_context
23461 instead of the _c_ variants.
23462 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23464 * Makefile.in (c-lang.o): Update dependencies.
23466 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23467 regno_pointer_flag, regno_pointer_align.
23468 (gen_reg_rtx): Use xrealloc to enlarge them.
23469 (free_emit_status): New function.
23470 * function.c (mark_machine_status, mark_lang_status): New variables.
23471 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23472 in some bits from assign_stack_local. All callers changed to use new
23474 (assign_stack_local): Just call assign_stack_local_1.
23475 (free_after_compilation): New function.
23476 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23477 (trampoline_address): Likewise.
23478 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23479 (prepare_function_start): Explicitly clear some more variables.
23480 * function.h (struct function): New elt can_garbage_collect.
23481 (mark_machine_status, mark_lang_status): Declare variables.
23482 (free_after_compilation, free_emit_status, free_varasm_status,
23483 init_varasm_status): Declare functions.
23484 * toplev.c (rest_of_compilation): Call free_after_compilation when
23485 done with the current function.
23486 * varasm.c (free_varasm_status): New function.
23488 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23490 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23491 (EXPAND_BUILTIN_VA_ARG): Define.
23492 * sparc.c (sparc_va_start): New.
23493 (sparc_va_arg): New.
23495 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23497 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23499 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23501 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23503 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23505 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23506 (OBJS): Add $(GGC).
23507 (ggc-callbacks.o): New target.
23508 * ggc-callbacks.c: New file.
23510 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23512 * expr.h: Collapse individual optab and libfunc vars to arrays.
23513 (optab_index, libfunc_index): New enumerations.
23514 (optab_table, libfunc_table): New arrays.
23515 Add accessor macros for both.
23517 * optabs.c (optab_table, libfunc_table): New.
23518 Delete declarations for individual optab and libfunc vars.
23520 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23522 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23524 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23526 * Makefile.in (GGC, GGC_LIB): New.
23527 (HOST_RTL): Include ggc-none.o.
23528 (ggc-simple.o): New target.
23529 (ggc-none.o): Likewise.
23530 * tree.h (tree_common): Add gc_mark.
23531 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23532 (struct rtvec_def): Add gc_mark.
23533 * emit-rtl.c (global_rtl): Update static initializers to contain
23534 enough initializers.
23535 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23536 * toplev.c (gc_time): New variable.
23537 (all_time): New variable.
23538 (compile_file): Print gc time.
23539 (print_time): Calculate percentage of the whole.
23541 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23543 Change obstack memory management and varasm constant pool handling so
23544 that nested functions are treated like any other functions.
23545 * function.c (init_machine_status): New variable.
23546 (push_function_context_to): Set contains_functions for the outer
23547 function. Don't call save_varasm_status.
23548 (pop_function_context_from): Don't call restore_varasm_status. Don't
23549 set current_function_contains_functions.
23550 (prepare_function_start): Call init_varasm_status rather than
23551 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23553 * function.h (struct function) Add field varasm. Delete fields
23554 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23555 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23556 (init_machine_status): Declare.
23557 (save_varasm_status, restore_varasm_status): Delete declarations.
23558 (save_tree_status, restore_tree_status): Delete last argument.
23559 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23560 code. All callers changed.
23561 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23562 save_constants_in_decl_trees, restore_constants, save_constants,
23563 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23565 (inlining): New variable.
23566 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23567 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23569 (save_for_inline_nocopy): Don't save constants.
23570 Don't set inl_emit field in current_function.
23571 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23572 function. Set new variable inlining before
23573 calling copy_rtx_and_substitute.
23574 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23575 constant pool references if inlining is nonzero.
23576 Delete ADDRESS and (most of the) CONST cases.
23577 (output_inline_function): Save and restore current_function/
23578 current_function_decl. Delete restore_constants code. Don't call
23579 init_const_rtx_hash_table.
23580 * output.h (init_const_rtx_hash_table): Don't declare.
23581 * rtl.h (struct function): Declare.
23582 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23583 * toplev.c (rest_of_compilation): Don't treat nested functions or
23584 functions containing them specially. Delete all code to deal with
23585 save_for_inline_copying.
23586 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23587 inline_obstacks): Delete variables.
23588 (save_tree_status): Lose arg CONTEXT. All callers changed.
23589 Simply allocate a new function_maybepermanent_obstack for the new
23590 function, delete all the special cases.
23591 Don't save inline_obstacks.
23592 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23593 Delete special handling for function_maybepermanent_obstack; simply
23595 Don't restore inline_obstacks.
23596 (permanent_allocation): Delete code that frees inline_obstacks.
23597 (print_inline_obstack_statistics): Delete function.
23598 (dump_tree_statistics): Don't call it.
23599 * varasm.c (struct varasm_status): New.
23600 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23601 last_pool, pool_offset, const_double_chain): Delete global
23602 variables, replace with accessor macros.
23603 (immed_double_const): Don't walk const_double_chain outside a
23604 function, but don't treat nested functions specially anymore.
23605 (immed_real_const_1): Likewise.
23606 (clear_const_double_mem): Don't treat nested functions specially.
23607 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23608 (save_varasm_status, restore_varasm_status): Delete functions.
23609 (init_varasm_status): New function.
23610 (force_const_mem): Don't treat nested functions specially.
23611 (find_pool_constant): Accept new arg F, search for constants in
23612 that function's pool rather than the current one. All callers
23614 (get_pool_constant_for_function, get_pool_mode_for_function): New
23617 * i386.c (init_386_machine_status): New function, mostly from
23618 clear_386_stack_locals.
23619 (struct machine_functions): Rename element names to avoid name
23621 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23622 macros, replacing global variables.
23623 (clear_386_stack_locals, save_386_machine_status,
23624 restore_386_machine_status): Delete functions.
23625 (override_options): Initialize init_machine_status.
23626 * i386.h (INIT_EXPANDERS): Delete macro.
23627 (save_386_machine_status, restore_386_machine_status,
23628 clear_386_stack_locals): Delete declarations.
23630 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23632 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23633 (doloop_begin): Simplify pattern and use emit_jump_insn.
23634 (doloop_end): Simplify pattern, switch operand order,
23635 and use emit_jump_insn.
23637 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23639 * function.h (struct function): Add new element LANGUAGE.
23640 (save_lang_status): Declare new variable.
23641 (restore_lang_status): Likewise.
23642 * function.c (save_lang_status): Define.
23643 (restore_lang_status): Likewise.
23644 (push_function_context_to): Call language-specific save function.
23645 (pop_function_context_from): Call language-specific restore function.
23647 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23649 * i386.md (movsf_1): Check REG_P before use of REGNO.
23650 (movdf_1): Likewise.
23651 (movxf_1): Likewise.
23652 (extendsfdf2): Likewise.
23653 (extendsfxf2): Likewise.
23654 (extenddfxf2): Likewise.
23656 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23658 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23659 constants into memory.
23660 (c4x_shiftable_constant): New function.
23661 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23662 (c4x_shiftable_constant): Declare.
23663 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23664 ashlqi3_noclobber): Add new patterns and associated splitters.
23666 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23668 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23669 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23670 * final.c (shorten_branches): Likewise.
23671 * global.c (global_alloc): Likewise.
23672 * haifa-sched.c (build_control_flow): Likewise.
23673 * stmt.c (check_for_full_enumeration_handling): Likewise.
23674 (estimate_case_costs): Likewise.
23676 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23678 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23680 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23682 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23683 (recompute_reg_usage): Likewise.
23684 * rtlanal.c (find_regno_fusage): Likewise.
23686 * rtl.c (rtl_check_failed_code1): New function.
23687 (rtl_check_failed_code2): New.
23688 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23689 (RTL_CHECKC1, RTL_CHECKC2): New.
23690 (XC*): New accessor macros.
23691 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23692 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23693 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23694 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23695 (TRAP_*, RANGE_INFO_*): Likewise.
23697 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23699 * Makefile.in (tlink.o): Don't depend on toplev.h.
23701 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23702 output_file, nm_file_name, ldd_file_name, strip_file_name,
23703 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23704 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23705 fork_execute, maybe_unlink, add_to_list,
23706 extract_init_priority, write_list, dump_list,
23707 dump_prefix_list, write_list_with_asm, write_c_file,
23708 write_c_file_stat, write_c_file_glob, scan_prog_file,
23709 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23710 ignore_library, extract_string, notice, dump_file, target_machine,
23711 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23712 read_file, print_load_command): Constify a char*.
23713 (fdopen, error, fatal, fatal_perror): Don't prototype.
23714 (my_strerror): Remove. All callers use xstrerror instead.
23715 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23716 (main): Add prototype. Constify lots of char* ptrs. Change calls
23717 to xcalloc/strcpy/strcat/... to one call to concat.
23718 (main, scan_prog_file, scan_libraries): Use an intermediate
23719 `const char **' to build an argv array.
23720 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23722 * collect2.h (collect_execute, collect_wait, dump_file,
23723 file_exists): Constify a char*.
23724 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23725 temporary_firstobj, vflag, debug): Add extern declarations.
23726 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23728 * tlink.c: Don't include toplev.h.
23729 (vflag, debug, ldout, c_file_name, temporary_obstack,
23730 permanent_obstack, temporary_firstobj): Don't declare.
23731 (tlink_execute, frob_extension, symbol_hash_lookup,
23732 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23733 recompile_files, read_repo_files, demangle_new_symbols,
23734 scan_linker_output): Constify a char*.
23735 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23736 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23738 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23740 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23741 (relative) rather than jsr (absolute) subroutine call insns.
23742 * config/m68k/m68k-coff.h: Ditto.
23744 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23746 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23747 now rework these too.
23748 (arm_reorg): If an insn can't reach the end of the current pool,
23749 ensure that we emit that pool before the insn.
23751 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23753 * tlink.c (scan_linker_output): Skip the initial underscore in
23754 a mangled name if appropriate.
23756 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23758 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23759 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23760 error_with_ivar, gen_declarator, create_builtin_decl,
23761 my_build_string, generate_descriptor_table, generate_ivars_list,
23762 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23763 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23764 dump_base_name, lang_decode_option, build_encode_expr,
23765 start_class, finish_class, encode_pointer, really_start_method,
23766 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23768 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23769 Add static prototypes.
23770 (build_objc_string_decl, build_selector_reference_decl,
23771 encode_bitfield, build_class_reference_decl): Remove unused
23772 parameter, all callers changed.
23773 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23774 (objc_printable_name): Likewise. Change second parameter to type int.
23775 (init_objc): Use memcpy, not bcopy, to avoid casts.
23777 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23779 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23780 reg notes on a deleted insn.
23781 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23783 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23785 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23787 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23789 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23792 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23794 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23795 * tm.texi (MD_ASM_CLOBBERS): Document it.
23797 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23799 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23800 * except.c (expand_rethrow): Remove unused variable.
23801 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23802 * flow.c (replace_insns): Likewise.
23803 (create_edge_list, verify_edge_list): Likewise.
23804 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23806 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23807 is special code to run.
23808 (main): Don't define operands to emit_operand.
23809 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23811 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23813 * alpha/alpha.h (normal_memory_operand): Declare.
23814 (reg_no_subreg_operand): Declare.
23815 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23817 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23819 * c-parse.in (compstmt_primary_start): New, broken out of first
23820 part of compstmt handling in primary.
23821 (primary): Use it. Add an error clause.
23822 (compstmt_nostart): Renamed from compstmt; remove all
23823 initial invocations of compstmt_start.
23826 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23828 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23831 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23833 * combine.c (simplify_shift_const): Remove extra semicolon.
23834 * dwarf2out.c (remove_AT): Likewise.
23835 * expmed.c (expand_mult): Likewise.
23836 * gcov.c (create_program_flow_graph): Likewise.
23837 * reorg.c (mostly_true_jump): Likewise.
23839 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23841 * fold-const.c (fold_range_test): Do not try to fold the range
23842 test if the rhs or lhs has side effects.
23844 * combine.c (simplify_rtx): Recognize another case of a synthesized
23847 * varasm.c (mark_constant_pool): When marking indirect references,
23848 only look at SYMBOL_REFs.
23850 * except.c (expand_fixup_region_end): Do not peek at
23851 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23853 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23855 * flags.h: New variables align_loops, align_loops_log,
23856 align_jumps, align_jumps_log, align_labels, align_labels_log,
23857 align_functions, align_functions_log.
23858 * toplev.c: Define them.
23859 (f_options): Handle -falign-* when they have no argument.
23860 (main): Add logic to set variables for -falign-functions,
23861 -falign-jumps, -falign-labels, -falign-loops.
23862 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23863 (display_help): Change help to match options.
23864 * final.c (LABEL_ALIGN): Default to align_labels_log.
23865 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23866 (LOOP_ALIGN): Default to align_loops_log.
23867 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23868 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23869 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23870 * varasm.c (assemble_start_function): Handle align_functions.
23872 * config/sparc/sparc.h: Don't declare sparc_align_*.
23873 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23874 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23876 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23878 * config/sparc/sparc.c: Delete sparc_align_loops,
23879 sparc_align_jumps, sparc_align_funcs and the corresponding string
23881 (sparc_override_options): Default align_functions on ultrasparc.
23882 Delete -malign-* handling.
23884 * config/mips/mips.c (override_options): On 64-bit targets,
23885 try to align code to 64-bit boundaries.
23886 (print_operand): New substitution, %~,
23887 which aligns labels to align_labels_log.
23888 * config/mips/mips.md (div_trap_normal): Use %~.
23889 (div_trap_mips16): Likewise.
23891 (absdi2): Likewise.
23892 (ffssi2): Likewise.
23893 (ffsdi2): Likewise.
23894 (ashldi3_internal): Likewise.
23895 (ashrdi3_internal): Likewise.
23896 (lshrdi3_internal): Likewise.
23897 (casesi_internal): Likewise.
23899 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23901 Merge new ia32 backend from the branch!
23903 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23904 See ChangeLog.P2 on new_ia32_branch for details.
23906 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23907 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23908 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23909 * i386/gas.h (ASM_FILE_START): Define.
23910 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23911 for name change of ix86_valid_decl_attribute_p.
23912 (i386_pe_valid_type_attribute_p): Similarly.
23914 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23916 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23917 to step through CC modes.
23919 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23921 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23922 it would end up in the shadow of a live flags regsiter.
23924 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23926 * reload1.c: Fix many indentation problems.
23927 * reload.c: Likewise.
23929 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23931 * alias.c (non_local_reference_p): Constify fmt.
23933 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23935 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23937 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23939 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23940 the internal_arg_pointer.
23942 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23944 Merge peephole2 from new_ia32_branch:
23945 * Makefile.in (STAGESTUFF): Add *.peephole2.
23946 (mostlyclean): Likewise.
23947 (recog.o): Depend on resource.h.
23949 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23950 (final_scan_insn): Likewise for the invocation of peephole.
23951 * genconfig.c (main): Look for peephole and peephole2 patterns.
23952 Emit HAVE_peephole* accordingly.
23953 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23954 * flags.h (flag_peephole2): Declare.
23955 * toplev.c: New pass peephole2. New flag -fpeephole2.
23957 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23958 * gencodes.c (main): Likewise.
23959 * genextract.c (main): Likewise.
23960 * genoutput.c (main): Likewise.
23961 * genemit.c (max_operand_1): Look for the max scratch operand.
23962 (gen_rtx_scratch): New.
23963 (gen_exp): Use it, and pass on new arg subroutine_type.
23964 (gen_expand): Take max scratch into account.
23965 (gen_split): Emit peephole2 functions.
23966 (output_peephole2_scratch): New.
23967 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23968 * genrecog.c (routine_type): Add PEEPHOLE2.
23970 (make_insn_sequence): Match outer parallel for peep2. Discard
23971 top level scratches and dups.
23972 (add_to_sequence): New args insn_type and top. Update all callers.
23973 Handle toplevel peep2 matching insns.
23974 (write_subroutine): Handle peep2.
23975 (write_tree_1): Likewise.
23976 (write_tree): Likewise.
23978 (change_state): New arg afterward. Update all callers.
23979 Handle matching separate insns.
23980 * recog.c (recog_next_insn): New.
23981 (peephole2_optimize): New.
23982 * rtl.def (DEFINE_PEEPHOLE2): New.
23983 * resource.c (find_free_register): New argument last_insn. Use it
23984 to find a register available through the entire span.
23985 * resource.h (find_free_register): Update prototype.
23987 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23989 * i386.c (output_strlen_unroll): Don't write xops[7]
23990 label if it wasn't set.
23992 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23994 * cpplib.c (struct directive): Const-ify name pointer and
23995 function pointer prototype.
23996 (validate_else, do_define, do_line, do_include, do_undef,
23997 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23998 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23999 do_warning): Const-ify second arg.
24000 (directive_table): Mark const. Reorder entries by frequency
24001 of usage, record statistics.
24003 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
24005 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
24006 bounds- check RTL accesses if --enable-checking.
24007 (RTVEC_ELT): Bounds check if --enable-checking.
24008 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
24009 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
24010 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
24012 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
24013 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
24015 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
24016 (NOTE_SOURCE_FILE): Use X0STR.
24017 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
24018 MEM_ALIAS_SET): Use X0INT.
24019 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
24020 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
24022 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
24023 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
24024 (rtl_check_failed_bounds, rtl_check_failed_type1,
24025 rtl_check_failed_type2, rtvec_check_failed_bounds): New
24027 (fancy_abort): Fix comment.
24029 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
24030 (cse_insn): Decrement LABEL_NUSES for jump target before
24031 deleting jump insn.
24032 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
24033 * final.c (alter_subreg): Compute regno before changing x to
24034 REG; set REGNO(x) after changing it.
24035 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
24036 notes containing CONST_INTs.
24037 (delete_eh_regions): Use NOTE_EH_HANDLER.
24038 * function.c (put_reg_into_stack): Make reg a MEM before
24040 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
24042 (gen_mem_addressof): Make reg a MEM before initializing it.
24043 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
24045 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
24046 deleting an insn, not after.
24047 (block_alloc): Only look at PATTERN(insn) if we have to, and
24048 only if it's format class 'i'.
24049 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
24050 CONST_INT before using its INTVAL.
24051 * print-rtl.c (print_rtx): Use X0STR.
24052 * regmove.c (fixup_match_1): Don't look at PATTERN of
24053 non-class-'i' insn chain elements.
24054 * reload.c (loc_mentioned_in_p): Take address of
24055 in->fld[1].rtx directly.
24056 * reload1.c (reload): Change reg to a MEM before initializing
24058 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
24060 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
24062 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
24064 * config/mips/mips.c (machine_dependent_reorg): Force a
24065 barrier to output the local constant pool if a barrier hasn't
24066 been found at a natural point in the instruction stream.
24068 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24070 * c-parse.in (language_string): Constify.
24072 * dwarf2out.c (language_string): Remove declaration.
24074 * dwarfout.c (language_string): Likewise.
24076 * toplev.c (language_string, init_parse, finish_parse): Likewise.
24078 * tree.h (language_string, init_parse, finish_parse): Declare.
24080 * i386/sun386.h (language_string): Remove declaration.
24082 * mips.h (language_string): Likewise.
24084 * nextstep.h (language_string): Likewise.
24086 * nextstep21.h (language_string): Likewise.
24088 * rs6000.c (language_string): Likewise.
24090 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24092 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
24093 (getpwd.o): Remove target.
24095 * getpwd.c: Delete file. Its in libiberty now.
24097 * dbxout.c (getpwd): Don't prototype.
24098 * dwarf2out.c (getpwd): Likewise
24099 * dwarfout.c (getpwd): Likewise
24100 * final.c (getpwd): Likewise.
24101 * protoize.c (getpwd): Likewise.
24103 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24105 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
24107 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
24109 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
24110 mark_set_resources.
24112 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
24114 * fixinc/Makefile.in (subdir): New.
24115 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
24118 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
24120 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
24121 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
24124 * invoke.texi: Fix typo.
24126 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
24127 changed. Handle autoincrement addressing modes.
24129 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
24130 just like we would the virtual incoming args register when
24133 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
24135 * rs6000.h (ASM_FILE_START): Specify complete filename, including
24136 path, in .file directive.
24138 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
24140 * gcc.texi (External Bugs): Remove obsolete note about Perl on
24143 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
24145 * stdbool.h: Make the typedef name _Bool, with bool a #defined
24148 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24150 * tree.c (tree_code_name): Constify a char*.
24152 * tree.h (tree_code_name, decl_printable_name): Likewise.
24154 * function.h (struct function): Likewise.
24156 * toplev.c (decl_name, decl_printable_name): Likewise.
24158 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
24160 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
24161 (init_objc): Remove function pointer cast.
24163 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24165 * pa.md (interspace_jump): New pattern.
24166 (builtin_longjmp): New expander.
24168 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
24170 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
24171 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
24172 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
24174 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
24176 * jump.c (delete_prior_computation): Also check calls
24177 to constant functions. Don't bother checking for a
24178 REG_UNUSED note before adding it.
24179 (delete_computation): Handle multi-word hard registers
24180 when synthesizing missing REG_DEAD notes for a register
24181 which is both set and used by an insn.
24183 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24185 * loop.c (this_loop_info): New variable.
24186 (loop_has_call, loop_has_volatile, loop_has_tablejump,
24187 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
24189 (prescan_loop, strength_reduce): New argument loop_info. All callers
24191 (scan_loop): New variable loop_info, initialise to address of
24193 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
24194 Delete variable loop_has_multiple_exit targets and replace with
24195 field in this_loop_info.
24196 (find_and_verify_loops): Rename this_loop to this_loop_num.
24197 (strength_reduce): Delete loop_iteration_info. Replace variable
24198 loop_info with function argument of same name.
24199 (insert_bct): Rework test for loop being completely unrolled.
24201 * loop.h (struct loop_info): New fields num, loops_enclosed,
24202 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
24203 has_indirect_jump, and cont. Redefine use of unroll_number.
24204 (loop_unroll_number): Delete.
24206 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
24207 field of loop_info.
24208 (loop_iterations): Delete variable vtop and instead use
24209 loop_info->vtop computed in prescan_loop.
24211 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
24213 * fix-header.c (main): Do not pass a null pointer to strcmp.
24215 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
24217 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
24219 * configure: Rebuilt.
24221 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
24223 * jump.c (jump_optimize_1): Do not delete assignments to
24224 internal_arg_pointer.
24225 * cse.c (delete_trivially_dead_insns): Always consider a set of
24226 the internal_arg_pointer live.
24228 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
24230 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
24231 (update_life_info) [REG_WAS_0]: Search the original insns rather
24232 than the new insns for the note. Fix typos finding note_dest.
24233 If no dest found, discard the note rather than abort.
24234 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
24235 (replace_insns): Remove the old insn list after update_life_info
24238 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
24240 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
24241 sched_analyze_insn.
24242 (sched_analyze_1): Let add_dependence care for not adding dups.
24243 (sched_analyze_2): Likewise.
24244 (add_branch_dependences): Likewise.
24246 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
24248 * i386/winnt.c (export_list): New type.
24249 (exports_head): Rename to
24250 (export_head): this.
24251 (i386_pe_record_exported_symbol): Add is_data flag.
24252 (i386_pe_asm_file_end): Emit directive for exported variables.
24253 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
24255 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
24256 (ASM_DECLARE_OBJECT_NAME): Likewise.
24257 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24258 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
24260 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24262 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24264 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24267 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24269 * config/openbsd.h: Define SET_ASM_OP.
24270 * tm.texi: cross-reference SET_ASM_OP in the index.
24272 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24274 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24275 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24276 and class_narrowest_mode at compile time. Kill init_rtl.
24277 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24278 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24279 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24281 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24283 * rtl.h: Declare rtx_length and rtx_format as const.
24284 * machmode.def: Define CC(). Use CC() to define CCmode. If
24285 EXTRA_CC_MODES is defined, expand it here.
24286 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24287 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24288 const. Kill all references to EXTRA_CC_MODES.
24290 * toplev.c: Don't prototype or call init_rtl.
24291 * optabs.c: Don't call init_mov_optab.
24292 * genemit.c: Don't generate init_mov_optab. Don't call
24294 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24296 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24297 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24298 genrecog.c: Don't call init_rtl.
24300 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24301 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24302 definition of EXTRA_CC_MODES.
24304 * md.texi: Kill ref to EXTRA_CC_NAMES.
24305 * tm.texi: Document new way to define EXTRA_CC_MODES.
24307 * genrecog.c: Do not look up the name of a define_split.
24308 (Unrelated bugfix.)
24310 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24312 * config/v850/v850.md: Fix typo introduced by previous delta.
24314 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24316 * gcc.c (fatal): Make definition static to match prototype.
24318 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24320 * combine.c (get_last_value): Don't look for earlier sets if the last
24321 known set is somewhere in between the insns being combined.
24323 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24325 * configure.in: Don't use shell ! to negate exit codes
24326 * configure: Regenerate
24328 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24330 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24331 the fact that ALIGN is measured in bits, not bytes.
24333 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24335 * errors.c: New file; defines functions error, warning, and
24336 fatal, variables have_error and progname.
24337 * errors.h: New file; prototypes and decls for stuff in errors.c.
24339 * Makefile: Add rules to build errors.o and
24340 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24341 genopinit, genrecog, genextract, genpeep, genattr, and
24342 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24343 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24344 genpeep.o, genattr.o, and genoutput.o.
24346 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24347 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24348 define or prototype fatal. Set progname at beginning of main.
24349 * genoutput.c: Likewise, and don't define or prototype error
24352 * c-typeck.c (c_expand_start_case): Return immediately if exp
24354 * fold-const.c (operand_equal_p): Return immediately if arg1
24355 or arg0 are ERROR_MARKs.
24356 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24357 fields of type ERROR_MARK when calculating if the record can
24360 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24361 with much help from Jeffrey A Law and Richard Henderson
24363 * i386.md: In the 6 insns which call output_fix_trunc,
24364 earlyclobber operands[0].
24366 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24368 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24369 creating new registers.
24371 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24373 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24374 i386_reg_alloc_order, i386_regparm_string,
24375 i386_align_loops_string, i386_align_jumps_string,
24376 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24377 and i386_branch_cost_string as type "const char *".
24378 * i386.c: Define all above strings as type "const char *".
24380 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24382 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24383 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24385 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24387 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24388 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24390 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24392 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24393 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24394 (dwarf2out_line, dwarf2out_finish): Likewise.
24395 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24397 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24399 * tree.c (lang_unsave_expr_now) : Correct return type.
24400 * tree.h (lang_unsave_expr_now) : Same.
24402 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24404 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24405 instead of duplicating code.
24407 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24409 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24411 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24413 * tree.h: fancy_abort always takes three args.
24414 * resource.c: Move include of system.h before toplev.h.
24416 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24418 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24421 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24423 * system.h: Don't redefine abort or trim_filename.
24424 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24425 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24426 whether or not __FUNCTION__ is available.
24427 * tree.h: Duplicate rtl.h's definition of abort, for files
24428 that don't include rtl.h. Delete all code to perform type
24429 checking with a compiler other than GCC.
24430 * varray.h: Delete all code to perform type checking with a
24431 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24432 its arguments exactly once, using a statement expression.
24433 Adjust the VARRAY_<type> accessor macros to match.
24434 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24435 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24436 caller's location. Define fatal_insn and fatal_insn_not_found
24437 as macros that use _fatal_insn and _fatal_insn_not_found.
24438 (fancy_abort, trim_filename): Kill prototypes.
24440 * rtl.c (trim_filename): Move here from toplev.c.
24441 (fancy_abort): New function.
24442 (DIR_SEPARATOR): Provide default definition.
24443 * tree.c (tree_check_failed, tree_class_check_failed): Go
24444 through fancy_abort.
24445 (tree_check, tree_class_check, cst_or_constructor_check,
24446 expr_check): Delete.
24447 * varray.c (varray_check_failed): New function.
24448 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24449 _fatal_insn and _fatal_insn_not_found. Go through
24451 (trim_filename, fancy_abort): Delete.
24453 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24454 * except.c (start_catch_handler): Report ICE with error/abort
24456 * final.c (output_operand_lossage): Likewise.
24457 * flow.c (verify_flow_info): Likewise.
24459 * gcc.c: Prototype fatal.
24460 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24461 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24462 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24463 Don't define fancy_abort.
24465 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24467 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24470 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24472 * m88k.h (VERSION_INFO2): Kill.
24473 (VERSION_STRING): Kill.
24475 (VERSION_INFO1): Tidy.
24476 (TARGET_VERSION): Update.
24477 * m88k/dgux.h (VERSION_INFO2): Kill.
24478 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24479 * m88k/luna.h (VERSION_INFO1): Tidy.
24480 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24481 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24482 (output_file_start): Adjust for death of VERSION_STRING.
24484 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24486 * cpplib.c (detect_if_not_defined): New function.
24487 (do_if): Use it to detect potential once-only headers.
24489 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24491 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24493 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24495 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24496 anywere in the function only if they are pseudos and set before
24497 being used (not live at the start of the function).
24498 (num_sign_bit_copies) : Same.
24499 (get_last_value_validate) : Same.
24500 (get_last_value) : Same.
24502 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24504 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24505 where N and M are constant and N is an integer multiple of M.
24507 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24509 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24510 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24511 sbitmap_union_of_preds): Add prototypes.
24512 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24513 the intersection of successors with the new flow graph structures.
24514 (sbitmap_intersection_of_preds): New function to compute the
24515 intersection of predecessors with the new flow graph structures.
24516 (sbitmap_union_of_succs): New function to compute the union of
24517 successors with the new flow graph structures.
24518 (sbitmap_union_of_preds): New function to compute the union of
24519 predecessors with the new flow graph structures.
24520 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24521 (expr_reaches_here_p): Use edge and basic_block structures instead
24522 of s_preds and s_succs.
24523 (compute_cprop_avinout): Use new sbitmap routines.
24524 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24525 of s_preds and s_succs.
24526 * flow.c (compute_flow_dominators): Compute dominators using
24527 edges and basic blocks instead of s_preds and s_succs.
24529 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24531 * lists.c (unused_insn_list, unused_expr_list): New file for
24532 maintaining various types of lists. New statics for maintaining a
24533 cache of available INSN_LIST and EXPR_LIST nodes.
24534 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24535 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24536 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24537 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24538 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24539 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24540 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24541 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24542 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24543 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24544 (remove_dependence, free_pending_lists): Use new global routines.
24545 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24546 (sched_analyze, compute_block_backward_dependences): Use new routines.
24547 (sched_analyze_1, sched_analyze_2): Use new routines.
24548 (schedule_insns): Use new global routines.
24549 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24551 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24552 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24554 * toplev.c (rest_of_compilation): Initialize node cache.
24555 * Makefile.in (OBJS): Add lists.o to list of object files.
24556 (lists.o): Add dependancies.
24558 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24560 * config/v850/v850.md: Fix compile time warning messages.
24561 * config/v850/v850.c: Fix compile time warning messages.
24562 * config/v850/v850.h: Fix compile time warning messages.
24564 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24566 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24567 Remove unused prototype for `init_lengths'.
24569 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24571 * calls.c (emit_call_1): Mark parameter `stack_size' with
24573 (expand_call): Initialize variable `insn'.
24574 (emit_library_call): Likewise for variable `high_to_save'.
24575 (emit_library_call_value): Likewise.
24576 (store_one_arg): Likewise for variables `lower_bound' and
24579 * combine.c (try_combine): Likewise for variables `i2_code_number'
24580 and `other_code_number'.
24581 (find_split_point): Likewise for variables `pos', `unsignedp' and
24583 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24584 (simplify_and_const_int): Remove unused variable `width'.
24585 (merge_outer_ops): Likewise.
24587 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24588 HOST_WIDE_INT' when comparing against one.
24589 (simplify_relational_operation): Likewise.
24590 (cse_insn): Initialize variables `src_eqv_volatile',
24591 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24593 * final.c (init_final): Constify parameter `filename'.
24594 (final_start_function): Mark parameter `optimize' with
24596 (profile_function): Likewise for parameters `first' and `optimize'.
24597 (output_source_line): Likewise for parameter `file'.
24599 * integrate.c (subst_constants): Cast a value to `size_t' when
24600 comparing against one.
24601 (mark_stores): Initialize variable `mode'. Cast a value to
24602 `size_t' when comparing against one.
24604 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24606 * loop.c (move_movables): Initialize variable `first'.
24607 (strength_reduce): Likewise for variable `increment'.
24608 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24609 value to `size_t' when comparing against one.
24610 (load_mems): Initialize variable `end_label'.
24612 * output.h (init_final): Constify parameter.
24614 * reload.c (decompose): Initialize variable `base'.
24616 * reload1.c (reload): Likewise for variable `is_scalar'.
24617 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24618 (choose_reload_regs): Initialize variable `mode'.
24619 (emit_reload_insns): Likewise for variable `store_insn'.
24620 (reload_cse_noop_set_p): Mark parameter `insn' with
24622 (reload_combine): Initialize variable `set'.
24624 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24625 (copy_loop_body): Cast a value to `size_t' when comparing against
24628 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24629 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24630 (remove_from_pending_weak_list): Mark parameter `name' with
24633 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24635 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24638 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24640 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24641 (ASM_DECLARE_FUNCTION_NAME): Define.
24642 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24643 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24644 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24645 not already defined.
24647 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24649 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24650 of n_popped when call/call_value are not defined.
24652 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24654 * tm.texi: GNU CC -> GCC conversion.
24655 (CC1_SPEC): Indicate it is used for all language front ends.
24657 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24659 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24660 NOTE_INSN_EH_REGION_END correctly.
24662 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24663 Jeff Law <law@cygnus.com>
24665 * loop.c (strength_reduce): Automatically unroll loops if the
24666 unrolled loop size is smaller than the rolled loop size.
24668 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24669 and delete comment that code should be rewritten.
24671 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24673 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24676 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24678 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24680 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24681 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24682 (LINK_SPEC): Add -u _main when building executables.
24683 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24684 (ASM_FILE_END): Use the default for ix86-pe.
24685 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24687 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24689 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24690 and ASM_CLOSE_PAREN are empty strings.
24692 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24693 Geoffrey Keating <geoffk@cygnus.com>
24695 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24696 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24697 (unprotoize.o): Ditto.
24698 (test-protoize-simple): Don't define STD_PROTO_DIR.
24699 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24700 changes to make 'test-protoize-simple' pass.
24701 (STD_PROTO_DIR): Remove define.
24702 (STANDARD_EXEC_PREFIX): Supply default define.
24703 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24704 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24705 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24706 (GET_ENV_PATH_LIST): New macro.
24707 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24708 (do_processing): Initialize default_syscalls_dir using new
24709 macros. Use it to initialize syscalls_absolute_filename.
24711 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24713 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24714 B into a register before emit_conditional_move.
24716 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24718 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24719 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24720 multiplicand out of (+ (* a b) (* c d)).
24722 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24723 Richard Henderson <rth@cygnus.com>
24725 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24726 (new_insn_dead_notes): Likewise.
24727 (update_n_sets): Likewise.
24728 (update_flow_info): Move to flow.c, renamed to update_life_info;
24729 extend to handle multiple source insns.
24730 * flow.c: Include resource.h
24731 (unlink_insn_chain): New.
24732 (split_hard_reg_notes): New.
24733 (maybe_add_dead_note): New.
24734 (maybe_add_dead_note_use): New.
24735 (find_insn_with_note): New.
24736 (new_insn_dead_notes): New.
24737 (update_n_sets): New.
24738 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24739 (maybe_remove_dead_notes): New.
24740 (update_life_info): New.
24741 (prepend_reg_notes): New.
24742 (replace_insns): New.
24743 * output.h (update_life_info): Declare.
24744 * recog.c (split_block_insns): Use update_life_info.
24745 * resource.c (find_free_register): Use reg_alloc_order, don't use
24746 fixed regs, make sure the mode is supported, don't use new regs.
24748 * rtl.h (replace_insns): Declare.
24750 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24752 * expr.c (expand_expr): Cope with COND_EXPRs with one
24753 non-returning branch.
24755 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24757 * expr.c (store_expr): Always pass down the target, even when not
24760 1999-08-24 Nick Clifton <nickc@cygnus.com>
24762 * configure.in: Define target_cpu_default for v850 targets.
24763 * configure: Regenerate
24765 * config/v850/v850.h (TARGET_CPU_generic): Define.
24766 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24767 addresses are 4 byte aligned.
24769 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24772 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24774 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24775 (main): Add prototypes.
24777 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24778 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24779 (write_attr_get): Emit prototypes along with function definition.
24780 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24781 (write_complex_function): Emit static prototype along with
24782 function definition.
24784 * genemit.c (gen_split): Emit prototypes along with function
24787 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24788 Likewise for predicates and `insn_operand_predicate'.
24789 (process_template): Emit static prototype along with function
24792 * genrecog.c (make_insn_sequence): Constify a char*. Add
24793 prototypes for get_split_*().
24794 (write_subroutine): Emit prototypes along with function
24797 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24799 * gcse.c (find_avail_set): Follow chains of register-register copies.
24800 Use oprs_not_set_p to guarantee that the returned value can be
24802 (cprop_insn): Don't verify the return value of find_avail_set with
24805 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24806 (cprop_cc0_jump): New function.
24807 (cprop_insn): Break out new function cprop_jump and use it.
24808 Also use cprop_cc0_jump for machines with CC0.
24809 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24811 * tree.h (current_function_calls_setjmp,
24812 current_function_calls_longjmp): Delete declarations.
24813 * dsp16xx.c: Include "function.h".
24814 * elxsi.c: Likewise.
24815 * gmicro.c: Likewise.
24816 * h8300.c: Likewise.
24817 * i370.c: Likewise.
24818 * m32r.c: Likewise.
24819 * mn10200.c: Likewise.
24820 * mn10300.c: Likewise.
24821 * ns32k.c: Likewise.
24822 * spur.c: Likewise.
24823 * v850.c: Likewise.
24825 * rtl.h (rtx_equal_function_value_matters): Declare.
24826 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24828 * function.c: Likewise.
24829 * emit-rtl.c: Likewise.
24831 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24833 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24836 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24838 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24841 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24843 * cpp.texi: Add a node documenting macro varargs (copied
24846 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24848 * cppspec.c: Put a null pointer at the end of the new argv.
24850 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24852 * configure.in: Remove code to select/de-select the haifa
24853 scheduler. Every scheduled port gets haifa now.
24854 * configure: Rebuilt.
24855 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24857 * Makefile.in: Corresponding changes.
24859 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24861 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24862 All callers changed.
24863 (prepare_float_lib_cmp): Likewise.
24864 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24865 * expr.h (emit_float_lib_cmp): Delete declaration.
24866 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24867 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24868 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24870 (cmptf): Now conditional on TARGET_HARD_QUAD.
24872 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24874 * resource.c (mark_target_live_regs): Use
24875 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24877 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24879 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24881 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24883 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24885 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24887 * rtl.h (rtx_format): Constify a char*.
24889 * rtl.c (rtx_format): Likewise.
24890 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24891 (init_rtl): Use accessor macro, not `rtx_format'.
24893 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24896 * caller-save.c (mark_referenced_regs): Likewise.
24898 * combine.c (subst, make_compound_operation, known_cond,
24899 gen_rtx_combine, update_table_tick, get_last_value_validate,
24900 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24902 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24903 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24904 count_reg_usage): Likewise.
24906 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24909 * final.c (leaf_renumber_regs_insn): Likewise.
24911 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24912 dump_edge_info, count_reg_references): Likewise.
24914 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24915 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24918 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24919 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24920 add_label_notes): Likewise.
24922 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24923 clear_struct_flag, count_sub_rtxs, count_alternatives,
24924 compares_alternatives_p, contained_in_p, walk_attr_value,
24925 write_expr_attr_cache): Likewise.
24927 * genconfig.c (walk_insn_part): Likewise.
24929 * genemit.c (max_operand_1, gen_exp): Likewise.
24931 * genextract.c (walk_rtx): Likewise.
24933 * genflags.c (num_operands): Likewise.
24935 * genoutput.c (scan_operands): Likewise.
24937 * genpeep.c (match_rtx): Likewise.
24939 * genrecog.c (add_to_sequence): Likewise.
24941 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24944 * integrate.c (save_constants, copy_for_inline,
24945 copy_rtx_and_substitute, subst_constants, restore_constants):
24948 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24949 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24951 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24954 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24955 add_label_notes, replace_call_address, count_nonfixed_reads,
24956 invariant_p, find_single_use_in_loop, find_mem_givs,
24957 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24960 * print-rtl.c (reg_names, print_rtx): Likewise.
24962 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24964 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24965 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24966 print_blocks): Likewise.
24968 * regclass.c (fix_register, record_address_regs,
24969 reg_scan_mark_refs): Likewise.
24971 * regmove.c (stable_but_for_p): Likewise.
24973 * reload.c (loc_mentioned_in_p, operands_match_p,
24974 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24975 copy_replacements, refers_to_regno_for_reload_p,
24976 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24977 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24980 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24981 delete_address_reloads_1, count_occurrences,
24982 reload_cse_mem_conflict_p, reload_combine_note_use,
24983 add_auto_inc_notes): Likewise.
24985 * resource.c (mark_referenced_resources, mark_set_resources):
24988 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24989 reg_mentioned_p, regs_set_between_p, modified_between_p,
24990 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24991 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24992 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24993 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24995 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24997 * stupid.c (stupid_mark_refs): Likewise.
24999 * unroll.c (remap_split_bivs): Likewise.
25001 * varasm.c (mark_constants): Likewise.
25003 * a29k/a29k.c (uses_local_reg_p): Likewise.
25005 * alpha/alpha.c (summarize_insn): Likewise.
25007 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
25008 eliminate_lr2ip): Likewise.
25010 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
25012 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
25013 reg_mentioned_in_mem): Likewise.
25015 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
25016 symbolic_reference_mentioned_p): Likewise.
25018 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
25020 * sh/sh.c (regs_used, mark_use): Likewise.
25022 * vax/vax.c (vax_rtx_cost): Likewise.
25024 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25026 * machmode.h (mode_name): Constify a char*.
25028 * rtl.c (mode_name): Likewise.
25030 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
25032 * optabs.c (init_libfuncs): Constify a char*.
25034 * print-tree.c (mode_name): Remove redundant declaration.
25035 (print_node): Use accessor macro, not `mode_name'.
25037 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
25039 (new_spill_reg): Constify a char*.
25041 * tree.c (mode_name): Remove redundant declaration.
25043 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25045 * rtl.c (rtx_name): Constify a char*.
25047 * rtl.h (rtx_name, fix_sched_param): Likewise.
25049 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
25050 (mypr): Use accessor macro, not `rtx_name'.
25052 * genemit.c (print_code): Constify a char*.
25054 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
25056 * genpeep.c (print_code): Constify a char*.
25058 * genrecog.c (print_code): Likewise.
25060 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
25061 end_bb): Add static prototype.
25062 (draw_edge): Constify a char*.
25063 (end_bb): Remove unused parameter.
25065 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
25066 print_block_visualization): Constify a char*.
25068 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
25070 * c-common.c (c_get_alias_set): Update comment.
25072 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25074 * linux.h (LIB_SPEC): Added.
25076 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25078 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
25080 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
25082 * tree.c (expr_check): Fix typo in last change.
25084 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
25086 * rtl.def (NOTE): Change format to "iuu0n".
25087 (ADDR_DIFF_VEC): Change format to "eEee0".
25088 (ADDRESSOF): Change format to "eit".
25090 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
25091 (RTVEC_ELT): Change to match.
25092 (XVECEXP): Use XVEC and RTVEC_ELT.
25093 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
25094 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
25095 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
25096 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
25097 TRAP_CONDITION, TRAP_CODE): Use XEXP.
25098 (INTVAL): Use XWINT.
25099 (ADDRESSOF_DECL): Use XTREE.
25100 (SET_ADDRESSOF_DECL): Delete.
25101 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
25102 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
25103 ifdefed out since 2.6 at least.
25104 (gen_rtvec_vv): Delete prototype.
25106 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
25108 (copy_most_rtx): Handle 't' format letter.
25109 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
25110 (gen_rtvec_vv): Delete function. All callers changed to use
25111 gen_rtvec_v instead.
25112 * print-rtl.c (print_rtx): Move special casing of NOTEs to
25113 the '0' format letter.
25115 * function.c (gen_mem_addressof): Don't use
25116 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
25118 * integrate.c (copy_rtx_and_substitute): Likewise.
25119 Copy 't' slots with XTREE.
25120 (subst_constants): Treat 't' slots like '[swi]' slots.
25121 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
25122 * jump.c (rtx_equal_for_thread_p): Likewise.
25123 * rtlanal.c (rtx_equal_p): Likewise.
25124 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
25125 only four arguments.
25126 * gengenrtl.c (type_from_format): Provide correct types for
25130 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
25131 If a recent gcc is in use (always in stage2 and beyond), use
25132 statement expressions, so we don't make a function call unless
25133 the check fails. Evaluate arguments exactly once.
25134 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
25135 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
25137 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
25138 they evaluate their arguments exactly once, irrespective of
25139 the compiler in use.
25141 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
25142 is used by the currently-enabled check macros. This is:
25143 (tree_check_failed, tree_class_check_failed): For gcc.
25144 (tree_check, tree_class_check, cst_or_constructor_check,
25145 expr_check): For other compilers.
25147 * gencheck.c: Do not define any *_CHECK1 macros.
25149 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
25150 Mark Mitchell <mark@codesourcery.com>
25152 * c-common.c (c_get_alias_set): Fix support for poitners and
25155 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
25157 * alias.c: Include tree.h.
25158 (nonlocal_reference_p, mark_constant_function): New functions.
25159 * flow.c (life_analysis): Call mark_constant_function.
25160 * rtl.h (mark_constant_function): Declare it.
25162 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
25164 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
25165 unrecognisable switches.
25167 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25169 * loop.c (recombine_givs): Set ix field after sorting.
25170 (recombine_givs): Remove bogus index / giv lockstep looping.
25172 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25174 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
25176 (emit_store_flag_force): Use do_compare_rtx_and_jump.
25177 (do_cmp_and_jump): Formatting fixes.
25178 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
25179 do_compare_rtx_and_jump instead of compare_from_rtx.
25180 (do_compare_rtx_and_jump): New function; mostly copied from
25182 (do_jump_for_compare): Delete.
25183 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
25185 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
25186 of compare/do_jump_for_compare pairs.
25187 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
25188 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
25189 compare_from_rtx/do_jump_for_compare pairs.
25190 (do_jump_by_parts_equality): Likewise.
25191 (do_jump_by_parts_equality_rtx): Likewise.
25192 * expr.h (do_compare_rtx_and_jump): Declare.
25193 * optabs.c (prepare_cmp_insn): New function, contains most of the code
25194 that used to be in emit_cmp_insn.
25195 (cmp_available_p): New function.
25196 (prepare_operand): New function.
25197 (emit_cmp_and_jump_insn_1): New function, contains some code that used
25198 to be in emit_cmp_insn.
25199 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
25200 parameters to be pointers; don't emit final compare but modify some of
25201 the values pointed to by the args so the caller can perform the
25202 correct comparison.
25203 (expand_binop): Call emit_store_flag_force with signed forms of
25205 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
25206 emit_jump_insn pair.
25207 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
25208 emit_cmp_and_jump_insn_1. Call emit_queue.
25209 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
25211 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
25212 jump sets cc0 before deleting it.
25213 * integrate.c (expand_inline_function): Likewise.
25214 * unroll.c (unroll_loop): Similar changes in several places.
25215 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
25216 before deleting it.
25218 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25220 * Makefile.in (insn-recog.o): Update dependencies.
25221 * genrecog.c (main): Make generated file include "function.h".
25223 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
25225 * cse.c (cse_insn): Call never_reached_warning when a jump is
25226 changed to be unconditional.
25227 * flags.h: Declare warn_notreached.
25228 * flow.c (delete_block): Call never_reached_warning when
25229 a block is deleted.
25230 * jump.c (delete_barrier_successors): Call never_reached_warning
25231 when we delete everything after a BARRIER.
25232 (never_reached_warning): New function.
25233 * rtl.h: Declare never_reached_warning.
25234 * toplev.c (warn_notreached): New variable.
25235 (lang_independent_options): Set warn_notreached
25236 when -Wunreachable-code.
25237 (compile_file): We need line numbers for -Wunreachable-code.
25239 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
25241 * haifa-sched.c (insn_unit): Fix typo on out of range test.
25242 * sched.c (insn_unit): Likewise.
25244 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
25246 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
25248 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25250 * flow.c (create_edge_list): Use xmalloc, not malloc.
25252 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
25254 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
25255 C-style comments. Do not lose the character before double slash.
25257 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25259 * basic-block.h (struct edge_list): Stucture to maintain a vector
25261 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25262 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25263 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25264 New function prototypes.
25265 * flow.c (create_edge_list): Function to create an edge list.
25266 (free_edge_list): Discards memory used by an edge list.
25267 (print_edge_list): Debug output showing an edge list.
25268 (verify_edge_list): Internal consistency check for an edge list.
25269 (find_edge_index): Function to find an edge index for a pred and succ.
25271 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25273 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25276 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25278 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25280 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25282 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25284 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25286 * toplev.c (rest_of_compilation): Allow machine dependent
25287 reorganisation pass to place information into the RTL dump
25288 file if it so wishes.
25290 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25292 * explow.c (hard_function_value): Use VOIDmode instead of
25294 * stmt.c (expand_return): Likewise.
25295 * stor-layout.c (get_best_mode): Likewise.
25297 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25298 emit call instead of emit_insn call.
25300 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25302 * configure.in: Handle --disable/enable-win32-registry.
25303 * install.texi: Document --disable/enable-win32-registry.
25304 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25305 (WIN32_REGISTRY_KEY): New macro.
25306 * prefix.c: Use to enable/disable win32-specific code.
25307 (lookup_key): Use versioned key.
25308 * configure: Regenerate.
25309 * config.in: Likewise.
25311 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25313 * cpplib.c (read_line_number): New fn, split out of...
25316 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25318 tree.c (lang_unsave_expr_now) : New.
25319 (unsave_expr_now): Call lang_unsave_expr_now.
25320 tree.h (lang_unsave_expr_now) : New.
25322 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25324 * toplev.c (flag_new_exceptions): On by default.
25326 1999-08-13 Michael Meissner <meissner@cygnus.com>
25328 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25330 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25332 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25333 INTEGER_TYPE with precision==1, it's __java_boolean.
25335 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25337 * global.c (prune_preferences): Move some invariants out of the
25340 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25342 * configure.in (alpha*-dec-osf*): Add osf5.
25344 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25346 * configure.in: Rework handling of ARM GNU/Linux slightly.
25347 (arm*-*-linux-gnuoldld): New target.
25348 * configure: Regenerate.
25349 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25350 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25351 * config/arm/linux-oldld.h: New file.
25352 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25353 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25355 * config/arm/linux-elf.h (ASM_SPEC): Define.
25356 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25357 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25358 for 26-bit APCS and old linker.
25359 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25361 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25362 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25363 don't define `arm' or `arm_elf'.
25364 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25365 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25367 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25369 * rtl.texi: Fix typo.
25371 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25373 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25375 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25377 * extend.texi (C++ Signatures): Remove node.
25378 * invoke.texi: Remove discussion of -fhandle-signatures,
25379 signature, sigof, __signature__, and __sigof__.
25381 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25383 * Makefile.in (JAVAGC): Removed.
25385 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25387 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25389 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25391 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25393 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25395 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25396 a register that is already known to be a pointer.
25398 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25400 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25401 * fixinc/inclhack.sh: Regenerated.
25402 * fixinc/fixincl.sh: Regenerated.
25404 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25406 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25407 Fix documentation of -ansi flag to describe its C++ behavior.
25408 Remove bogus reference to GCC 2.9.
25410 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25412 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25413 note if it is non-NULL.
25415 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25417 * except.h (eh_nesting_info): Add new structure defintion.
25418 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25419 (reachable_handlers, update_rethrow_references): Add function
25421 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25422 a rethrow symbol instead of an integer exception region number.
25423 * flow.c (Make_edges): Use new exception nesting routines to determine
25424 which handlers are reachable from a CALL or asynchronous insn.
25425 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25427 (delete_eh_regions): Update rethrow labels, and don't delete
25428 regions which are the target of a rethrow.
25429 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25430 avoid overloading the SYMBOL_REF_USED flag.
25431 (rethrow_symbol_map): Use new rethrow_ref field.
25432 (rethrow_used): Use new rethrow_ref field.
25433 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25434 of an integer. Fix formatting.
25435 (output_exception_table_entry): Use new rethrow_ref field.
25436 (can_throw): Check for EH_REGION_NOTE before deciding
25437 whether a CALL can throw or not.
25438 (scan_region): Call rethrow_used() instead of accessing data structure.
25439 (update_rethrow_references): New function to make sure only regions
25440 which are still targets of a rethrow are flagged as such.
25441 (process_nestinfo): New static function to initialize a handler
25442 list for a specific region.
25443 (init_eh_nesting_info): New function to allocate and initialize
25444 the list of all EH handlers reachable from all regions.
25445 (reachable_handlers): New function to retrieve the list of handlers
25446 reachable from a specific region and insn.
25447 (free_eh_nesting_info): New function to dispose of a list of
25448 reachable handlers.
25450 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25452 * flow.c (split_edge): Set JUMP_LABEL field.
25453 (commit_one_edge_insertion): Set head correctly for insert_before.
25454 When inserting insns, update insn block numbers if allocated.
25456 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25458 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25459 retry_incomplete_types): Add static prototype.
25460 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25461 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25462 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25463 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25464 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25467 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25468 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25470 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25472 * output.h (assemble_name): Constify a char*.
25474 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25475 assemble_variable, assemble_name): Likewise.
25477 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25479 * arm/pe.c (arm_pe_unique_section): Likewise.
25481 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25483 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25485 * i386/interix.c (i386_pe_unique_section): Likewise.
25487 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25489 * i386/winnt.c (i386_pe_unique_section): Likewise.
25491 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25493 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25495 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25497 * pa/pa.c (output_call): Likewise.
25499 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25501 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25503 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25506 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25509 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25511 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25512 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25514 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25516 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25518 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25520 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25522 * tree.h (lang_identify): Constify a char*.
25523 (print_error_function): Add extern prototype. Constify a char*.
25525 * c-lang.c (lang_identify): Constify a char*.
25527 * objc/objc-act.c (lang_identify): Constify a char*.
25529 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25531 * genpeep.c (main): Make generated file include "function.h".
25532 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25534 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25536 * Makefile.in: Update dependencies.
25537 * alias.c: Include "function.h"
25538 * c-decl.c: Likewise.
25539 * caller-save.c: Likewise.
25540 * calls.c: Likewise.
25541 * combine.c: Likewise.
25543 * explow.c: Likewise.
25544 * final.c: Likewise.
25545 * global.c: Likewise.
25546 * graph.c: Likewise.
25547 * local-alloc.c: Likewise.
25548 * loop.c: Likewise.
25549 * optabs.c: Likewise.
25550 * profile.c: Likewise.
25551 * recog.c: Likewise.
25552 * regclass.c: Likewise.
25553 * regmove.c: Likewise.
25554 * reload.c: Likewise.
25555 * reorg.c: Likewise.
25556 * resource.c: Likewise.
25557 * sched.c: Likewise.
25558 * stupid.c: Likewise.
25559 * config/1750a/1750a.c: Likewise.
25560 * config/a29k/a29k.c: Likewise.
25561 * config/arc/arc.c: Likewise.
25562 * config/arm/arm.c: Likewise.
25563 * config/arm/thumb.c: Likewise.
25564 * config/c4x/c4x.c: Likewise.
25565 * config/clipper/clipper.c: Likewise.
25566 * config/convex/convex.c: Likewise.
25567 * config/fx80/fx80.c: Likewise.
25568 * config/i860/i860.c: Likewise.
25569 * config/m68k/m68k.c: Likewise.
25570 * config/m88k/m88k.c: Likewise.
25571 * config/mips/mips.c: Likewise.
25572 * config/pdp11/pdp11.c: Likewise.
25573 * config/pyr/pyr.c: Likewise.
25574 * config/romp/romp.c: Likewise.
25575 * config/sh/sh.c: Likewise.
25576 * config/tahoe/tahoe.c: Likewise.
25577 * config/vax/vax.c: Likewise.
25578 * config/we32k/we32k.c: Likewise.
25579 * config/sparc/sparc.c: Include "function.h".
25580 (mem_min_alignment): Test current_function rather than
25581 regno_pointer_align.
25582 * config/pa/pa.c: Likewise.
25583 (compute_frame_size): Delete declaration of
25584 current_function_outgoing_args_size.
25585 * config/arc/arc.h (current_function_varargs): Delete declaration.
25586 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25588 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25590 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25591 current_function_uses_pic_offset_table.
25592 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25593 of current_function_returns_pointer.
25594 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25595 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25596 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25597 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25598 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25599 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25600 * config/m88k/m88k.c: Include "function.h"
25601 (call_used_regs, current_function_pretend_args_size,
25602 current_function_outgoing_args_size, frame_pointer_needed): Delete
25604 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25606 * config/mips/mips.h (current_function_calls_alloca): Delete
25608 * config/mn10200/mn10200.h (current_function_needs_context,
25609 rtx_equal_function_value_matters): Delete declarations.
25610 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25611 flag_pic): Delete declarations.
25612 * config/pa/pa.h (current_function_pretend_args_size,
25613 current_function_decl): Delete declarations.
25614 * config/pa/som.h (current_function_varargs): Delete declaration.
25615 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25617 * config/pyr/pyr.h (current_function_pretend_args_size,
25618 current_function_args_size, current_function_calls_alloca): Delete
25620 * config/sh/sh.h (current_function_varargs): Delete declaration.
25621 * config/sparc/sparc.h (current_function_outgoing_args_size,
25622 current_function_calls_alloca, current_function_decl): Delete
25624 * config/spur/spur.h (current_function_pretend_args_size,
25625 current_function_calls_alloca): Delete declarations.
25626 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25628 * config/vax/vms.h (current_function_name): Delete declaration.
25629 * gcse.c: Include "function.h".
25630 (current_function_name, current_function_calls_setjmp): Delete
25632 * haifa-sched.c: Include "function.h".
25633 (forced_labels): Delete declaration.
25634 * jump.c: Likewise.
25635 * reg-stack.c: Likewise.
25636 * reload1.c: Likewise.
25637 * genemit.c (main): Make generated file include function.h.
25638 * genoutput.c (output_prologue): Likewise.
25640 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25641 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25642 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25643 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25644 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25645 macros for some of them.
25646 (emit_filename, emit_lineno): Delete declarations.
25647 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25648 regno_pointer_* variables through current_function.
25649 (gen_inline_header_rtx): Delete function.
25650 (save_emit_status): Delete function.
25651 (set_new_last_label_num): New function.
25652 (clear_emit_caches): New function.
25653 (restore_emit_status): Just clear last_labelnum and call
25655 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25656 through macro seq_stack.
25657 (add_insn_after): Likewise.
25658 (add_insn_before): Likewise.
25659 (remove_insn): Likewise.
25660 (pop_topmost_sequence): Likewise.
25661 (in_sequence_p): Likewise.
25662 (start_sequence_for_rtl_expr): Likewise.
25663 (start_sequence): Likewise, and likewise for
25664 sequence_rtl_expr/seq_rtl_expr.
25665 (push_topmost_sequence): Likewise.
25666 (end_sequence): Likewise.
25667 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25668 All callers changed. Store into that pointer instead of globals.
25669 (init_emit): Allocate emit elt of current_function.
25670 Changes for sequence_rtl_expr/sequence_stack renaming.
25671 Call clear_emit_caches instead of doing it in-line.
25672 Access regno_pointer_* variables through current_function.
25673 (init_emit_once) Don't clear sequence_stack.
25675 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25677 (arg_pointer_save_area): Delete declaration.
25678 (finish_expr_for_function): Renamed from init_queue; no longer static.
25679 (init_expr): Don't call init_queue.
25680 (save_expr_status, restore_expr_status): Delete functions.
25681 (expand_expr): Changes to reflect new layout of struct function.
25682 Don't access current_function_check_memory_usage when current_function
25684 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25685 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25686 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25687 current_function_uses_const_pool, function_call_count,
25688 current_function_uses_pic_offset_table, nonlocal_labels,
25689 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25690 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25691 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25693 (finish_expr_for_function): Declare.
25694 * flags.h (current_function_has_nonlocal_label,
25695 current_function_has_nonlocal_goto, current_function_is_thunk,
25696 current_function_has_computed_jump): Delete declarations.
25697 * flow.c (forced_labels): Delete declaration.
25698 * function.c (current_function_pops_args,
25699 current_function_returns_struct, current_function_returns_pcc_struct,
25700 current_function_needs_context, current_function_calls_setjmp,
25701 current_function_calls_longjmp, current_function_has_nonlocal_label,
25702 current_function_has_nonlocal_goto, current_function_is_thunk,
25703 current_function_has_computed_jump, current_function_calls_alloca,
25704 current_function_contains_functions, current_function_returns_pointer,
25705 current_function_epilogue_delay_list, current_function_args_size,
25706 current_function_pretend_args_size, current_function_arg_offset_rtx,
25707 current_function_outgoing_args_size, current_function_varargs,
25708 current_function_stdarg, current_function_args_info, cleanup_label,
25709 current_function_name, current_function_uses_const_pool,
25710 current_function_instrument_entry_exit, current_function_return_rtx,
25711 current_function_uses_pic_offset_table, nonlocal_labels,
25712 current_function_internal_arg_pointer, current_function_cannot_inline,
25713 current_function_check_memory_usage, function_call_count,
25714 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25715 nonlocal_goto_stack_level, return_label, save_expr_regs,
25716 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25717 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25718 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25719 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25720 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25722 (push_function_context_to): Don't save them. Don't call
25723 save_storage_status, save_emit_status or save_expr_status.
25724 (pop_function_context_from): Don't restore them. Don't call
25725 restore_storage_status or restore_expr_status.
25726 (get_func_frame_size): New function.
25727 (get_frame_size): Use it.
25728 (assign_outer_stack_local): Reflect some member name changes in struct
25730 (put_reg_into_stack): Likewise.
25731 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25733 (fixup_var_refs): Likewise.
25734 (fix_lexical_addr): Likewise.
25735 (trampoline_address): Likewise.
25736 (prepare_function_start): Clear field inlinable of current_function.
25737 (init_function_for_compilation): New function.
25738 (expand_dummy_function_end): New function.
25739 (expand_function_end): Call finish_expr_for_function.
25740 * function.h (struct emit_status): New; fields moved here from struct
25741 function and from global variables. Add accessor macros for some of
25743 (struct expr_status): Likewise.
25744 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25745 (struct function): Add fields expr and emit, inlinable, inl_emit,
25746 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25747 inl_max_label_num. Add many comments.
25748 Add accessor macros for all elts of struct function that no longer
25749 have a global variable.
25750 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25751 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25752 stack_slot_list): Delete declarations.
25753 (get_func_frame_size): Declare.
25754 (save_expr_status, restore_expr_status, save_emit_status,
25755 save_storage_status, restore_storage_status): Delete declarations.
25756 (init_virtual_regs): Declare.
25757 * output.h (current_function_pops_args,
25758 current_function_returns_struct, current_function_returns_pcc_struct,
25759 current_function_needs_context, current_function_calls_setjmp,
25760 current_function_calls_longjmp, current_function_calls_alloca,
25761 current_function_has_nonlocal_label, current_function_varargs,
25762 current_function_has_computed_jump, current_function_returns_pointer,
25763 current_function_contains_functions, current_function_args_size,
25764 current_function_pretend_args_size, current_function_stdarg,
25765 current_function_outgoing_args_size, current_function_args_info,
25766 current_function_name, current_function_return_rtx,
25767 current_function_epilogue_delay_list,
25768 current_function_uses_const_pool, current_function_cannot_inline):
25769 Delete declarations.
25770 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25771 regno_reg_rtx): Delete declaration.
25772 (REGNO_POINTER_FLAG): Delete macro.
25773 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25774 function were renamed.
25775 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25777 * toplev.c: Include "function.h".
25778 (current_function_decl): Delete declaration.
25779 (compile_file): Call init_dummy_function_start and
25780 expand_dummy_function_end around some initializations that need to
25782 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25783 Call init_function_for_compilation.
25784 * unroll.c: Include "function.h"
25785 (unroll_loop): Access regno_pointer_* variables through
25788 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25789 (DECL_SAVED_INSNS): use it.
25790 (expand_dummy_function_end): Declare.
25791 (init_function_for_compilation): Declare.
25792 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25793 that it's no longer an INLINE_HEADER.
25794 (expand_call): Likewise.
25795 * integrate.c (finish_inline): Delete function.
25796 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25797 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25798 args. Don't generate an INLINE_HEADER rtx, just return the arg
25799 vector. All callers changed.
25800 (save_for_inline_copying): Create a duplicate struct emit_status to
25801 hold the emit state for compiling the current function. Use this and
25802 the other new fields in struct function that are for integration
25803 instead of an INLINE_HEADER.
25804 Use memcpy instead of bcopy.
25805 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25806 (save_for_inline_nocopy): Similar changes, except no new emit_status
25808 (expand_inline_function): Get information from function structure,
25809 not from an inline header rtx.
25810 (output_inline_function): Lose code to extract the necessary
25811 information from an inline header; simply put back the function
25812 structure into current_function. Clear its inlinable elt.
25813 * rtl.def (INLINE_HEADER): Delete.
25814 * rtl.h: Delete all accessors for an INLINE_HEADER.
25815 (gen_inline_header_rtx): Delete declaration.
25816 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25817 Delete declarations.
25818 (REGNO_POINTER_ALIGN): Delete.
25819 (clear_emit_caches): Declare.
25820 (set_new_last_label_num): Declare.
25822 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25824 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25826 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25827 * stmt.c (is_eh_region): Make sure current_function is present, too.
25829 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25831 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25832 for 64bit PA targets.
25834 * pa.h (SELECT_SECTION): Define.
25835 * som.h (SELECT_SECTION): Delete.
25837 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25839 * alias.c (init_alias_analysis): Wrap call to
25840 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25842 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25844 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25845 <sys/asm.h> contains an asm comment with an apostrophe
25846 * fixinc/inclhack.sh: regen
25847 * fixinc/fixincl.x: regen
25849 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25851 * function.c (init_function_start): Clear prologue & epilogue.
25852 (prologue_epilogue_contains): New function.
25853 * alias.c (init_alias_analysis): Use it.
25854 * rtl.h (prologue_epilogue_contains): Declare it.
25856 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25858 * jump.c (onlyjump_p): New function.
25859 * rtl.h: Declare it.
25860 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25861 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25863 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25865 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25866 to invert loops. Simplify block scanning.
25868 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25870 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25871 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25873 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25875 * config/sparc/liteelf.h: New file to support sparclite-elf target
25876 * config/sparc/t-sp86x: New file to support sparc86x targets
25877 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25878 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25879 * configure.in: Support above target triplets
25880 * configure: Regenerated
25882 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25884 * fixinc/server.c (server_setup): Do not prefix function used as
25885 parameter with `&'.
25887 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25889 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25890 Remove fp reg alternatives.
25892 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25894 * Makefiin (TAROUTOPTS): Kill.
25895 (install-headers-tar): Use "xpf" for tar headerfile extraction
25896 * i370/x-oe (TAROUTOPTS): Delete.
25897 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25898 * m68k/x-hp320 (TAROUTOPTS): Delete.
25899 * m68k/x-hp320g (TAROUTOPTS): Delete.
25900 * gcc.texi: Update bug reporting text.
25902 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25904 * reg-stack.c (change_stack) Fixed problem with negative array index.
25906 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25908 * extend.texi, install.texi: Fix spelling mistakes.
25910 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25911 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25912 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25913 PREMADE_ATTRTAB_MD.
25914 * mips/t-ecoff: Likewise.
25915 * mips/t-elf: Likewise.
25916 * mips/t-mips: Likewise.
25917 * mips/t-osfrose: Likewise.
25918 * mips/t-r3900: Likewise.
25919 * mips/t-svr3: Likewise.
25920 * mips/t-svr4: Likewise.
25921 * mips/t-ultrix: Likewise.
25923 * gcc.texi: Document recommend means to provide software floating
25924 point libraries in libgcc.a
25926 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25928 * c-lex.c (yylex): We can have a number with no digits.
25930 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25932 * jump.c (delete_prior_computation): New function, broken
25933 out of delete_computation. Check for side effects with
25934 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25935 multi-word hard registers.
25936 (delete_computation): Use it. Check for side effects with
25937 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25938 missing REG_DEAD note for a register which is both set and
25941 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25943 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25944 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25945 (ASM_FILE_START): Import _mcount with the right type.
25946 (ASM_DECLARE_FUNCTION_NAME): Define.
25947 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25948 * pa.c (output_function_prologue): Always emit the function's label
25950 * pa.h (TEXT_SPACE_P): Define.
25951 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25952 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25953 * som.h (TEXT_SPACE_P): Delete.
25954 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25955 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25957 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25959 * expr.c (emit_group_load): Allow src to be a CONCAT.
25961 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25963 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25964 (___mulsi3): Use '!' comment character.
25966 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25968 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25970 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25972 * gcc.c: Update URLs and mail addresses.
25973 * gcc.texi: Likewise.
25975 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25977 * rs6000.c (current_file_function_operand): Return zero for
25979 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25981 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25984 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25986 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25987 allocate space in the stack frame for the PIC register.
25989 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25991 * m68k.md (xordi3, anddi3): These patterns are not available on
25994 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25996 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25997 (PUT_REAL): Likewise.
25999 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26001 * final.c (shorten_branches): Don't add an alignment for loops
26002 that have no label inside.
26004 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26006 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
26007 prototypes in macro HAVE_cmpstrsi.
26009 * cpplib.c (cpp_get_token): Remove unused label `op3'.
26011 * emit-rtl.c (operand_subword): Remove unused variable
26014 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
26016 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
26018 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
26020 * cpphash.c (macroexpand): Delete leading whitespace when arg
26021 is concatenated before.
26022 (unsafe_chars): Correct test for whether + and - can extend a
26025 * cppinit.c (cpp_start_read): Do dependencies for
26026 -include/-imacros files also.
26028 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
26029 tokenizing non-directive lines.
26030 (cpp_expand_to_buffer): Temporarily disable no-output mode.
26031 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
26034 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26036 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
26038 * c-lex.c: Sync with C++ frontend.
26039 (linemode): New variable.
26040 (parse_float): imag, conversion_errno, and type are output only.
26041 (yylex): Adjust. Move initial '.' case into main switch.
26043 (handle_generic_pragma): Just deal with tokens.
26044 (readescape): Use ISXDIGIT and ISGRAPH.
26045 * c-parse.in: Add END_OF_LINE token.
26047 * c-lex.c (lang_init): Generalize.
26048 (nextchar): Remove. Replace uses with UNGETC.
26049 (skip_white_space): Handle linemode here. Optimize for cpplib.
26050 (skip_white_space_on_line): Remove.
26051 (extend_token_buffer_to): New fn.
26052 (extend_token_buffer): Use it.
26053 (read_line_number, check_newline): Just deal with tokens.
26054 (token_getch, token_put_back): New fns.
26055 (yylex): Use them. More cpplib optimizations. Simplify.
26057 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26058 Jason Merrill <jason@yorick.cygnus.com>
26060 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
26061 (consume_string): Make this smart about USE_CPPLIB.
26062 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
26063 (yylex): Rewrite to be intelligent about USE_CPPLIB.
26064 Also, clean up cases where we redundantly set token_buffer[0].
26065 (read_line_number): New fn.
26066 (ignore_escape_flag): New variable.
26068 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
26070 * a29k/t-a29kbare: Fix some comments.
26071 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
26072 (FPBIT, DPBIT): Define.
26073 * a29k/t-vx29k: Likewise.
26074 * arc/t-arc: Likewise.
26075 * arm/t-arm-elf: Likewise.
26076 * arm/t-bare: Likewise.
26077 * arm/t-pe: Likewise.
26078 * arm/t-pe-thumb: Likewise.
26079 * arm/t-semi: Likewise.
26080 * arm/t-thumb: Likewise.
26081 * arm/t-thumb-elf: Likewise.
26082 * arm/t-thumb-linux: Likewise.
26083 * h8300/t-h8300: Likewise.
26084 * i960/t-i960: Likewise.
26085 * i960/t-vxworks960: Likewise.
26086 * m32r/t-m32r: Likewise.
26087 * mips/t-ecoff: Likewise.
26088 * mips/t-elf: Likewise.
26089 * mips/t-r3900: Likewise.
26090 * pa/t-pro: Likewise.
26091 * rs6000/t-aix43: Likewise.
26092 * rs6000/t-beos: Likewise.
26093 * rs6000/t-newas: Likewise.
26094 * rs6000/t-ppccomm: Likewise.
26095 * rs6000/t-rs6000: Likewise.
26096 * rs6000/t-winnt: Likewise.
26097 * rs6000/t-xnewas: Likewise.
26098 * rs6000/t-xrs6000: Likewise.
26099 * sh/t-sh: Likewise.
26100 * sparc/t-elf: Likewise.
26101 * sparc/t-sparcbare: Likewise.
26102 * sparc/t-sparclite: Likewise.
26103 * sparc/t-splet: Likewise.
26104 * v850/t-v850: Likewise.
26105 * mn10200/t-mn10200: Fix comments.
26106 * mn10300/t-mn10300: Likewise.
26108 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
26109 dummy operand. Allocate a new pseudo for the dummy operand.
26110 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
26112 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
26114 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
26116 * configure: Rebuilt.
26117 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
26119 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
26121 * recog.c (preproces_constraints): Zero recog_op_alt before
26122 processing the constraints.
26124 * arm.c (typedef minipool_node): Renamed from pool_node.
26125 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
26126 (add_minipool_constant): New function.
26127 (dump_minipool): New function.
26128 (find_barrier): Remove special case for getting the insn size of
26129 an insn that references the constant pool.
26130 (minipool_fixup): New structure.
26131 (push_minipool_barrier): New function.
26132 (push_minipool_fix): New function.
26133 (note_invalid_constants): New function.
26134 (add_pool_constant, dump_table, fixit, broken_move): Delete.
26135 (arm_reorg): Rewrite code to fix up the constant pool into a
26136 series of mini-pools embedded in the insn stream.
26137 (arm_output_epilogue): New function, made mainly from the body
26138 of output_func_epilogue.
26139 (output_func_epilogue): Move insn generation part of epilogue code
26140 to arm_output_epilogue.
26141 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
26142 * arm.md (pool_range): New attribute.
26143 (zero_extendqidi2): Add attribute pool_range.
26144 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
26145 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
26146 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
26147 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
26148 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
26149 (epilogue): New expand.
26150 (epilogue_insn): New insn. Call arm_output_epilogue.
26152 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
26153 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
26155 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26157 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
26159 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
26161 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
26163 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
26165 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
26167 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
26169 * global.c: Fix comment.
26171 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
26173 * gcc.c (access_check): New static function.
26174 (find_a_file): Use it when searching a directory list.
26175 * collect2.c (find_a_file): Don't accept directories found when
26176 searching a directory list.
26178 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
26180 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
26181 function parameters with `&'.
26182 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
26184 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
26186 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
26187 or tidy_fallthru_edge if the last insn in the block is not
26188 an unconditional jump or a simple conditional jump.
26190 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26192 * Makefile.in (c-decl.o): Depends on defaults.h.
26194 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
26196 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
26198 (CLASS_MAX_NREGS): Likewise.
26200 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
26202 * cse.c (cse_insn): Fix dumb thinko in last change.
26204 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26206 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
26209 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
26211 * dwarf2out.c (add_location_or_const_value_attribute): Correct
26212 test for sizes of passed and declared parameter types.
26214 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26216 * fixincludes: Fix the return type of bsearch, char* -> void*.
26218 * fixinc/inclhack.def: Likewise.
26220 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
26222 * invoke.texi (-fdump-translation-unit): New option.
26224 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
26226 * expr.h (PROMOTE_PROTOTYPES): Move ...
26227 * defaults.h: ... to here.
26228 * c-decl.c: Include defaults.h instead of expr.h.
26229 * c-typeck.c: Include defaults.h.
26231 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
26233 * toplev.h (errorcount): Declare.
26234 (warningcount): Likewise.
26235 (sorrycount): Likewise.
26236 * c-lex.c (errorcount): Don't declare.
26237 * dwarf2out.c (errorcount): Don't declare.
26239 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
26241 * config/libgloss.h: Add a note discouraging use with ELF.
26242 * configure.in: Don't use libgloss.h for ELF targets.
26243 Always use_collect2 on a.out targets.
26245 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
26247 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
26248 (force_to_mode, case ASHIFTRT): Add shiftrt label.
26250 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26252 * loop.c (strength_reduce): When doing biv->giv conversion, update
26253 reg note of NEXT->insn.
26255 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26257 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
26259 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26261 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26262 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26263 Ensure expr.h is included.
26264 * c-typecheck.c (convert_arguments): Ditto.
26266 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26268 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26269 * config/convex/convex.h: Ditto.
26270 * config/dsp16xx/dsp16xx.h: Ditto.
26271 * config/fx80/fx80.h: Ditto.
26272 * config/gmicro/gmicro.h: Ditto.
26273 * config/i370/i370.h: Ditto.
26274 * config/i386/i386.h: Ditto.
26275 * config/m32r/m32r.h: Ditto.
26276 * config/m68k/m68k.h: Ditto.
26277 * config/m88k/m88k.h: Ditto.
26278 * config/mips/mips.h: Ditto.
26279 * config/pa/pa.h: Ditto.
26280 * config/pyr/pyr.h: Ditto.
26281 * config/tahoe/tahoe.h: Ditto.
26282 * config/we32k/we32k.h: Ditto.
26284 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26285 based on arch size.
26287 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26289 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26292 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26294 1999-08-02 Richard Henderson <rth@cygnus.com>
26296 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26297 for the register spill block.
26298 (m32r_va_arg): New.
26299 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26300 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26302 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26303 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26304 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26306 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26308 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26309 MAX_WCHAR_TYPE defined in sparc.h.
26310 * config/sparc/linuxaout.h: Likewise.
26311 * config/sparc/linux64.h: Likewise.
26312 Also default to -mvis if CPU is UltraSPARC.
26314 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26316 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26317 (RTX_OK_FOR_OLO10): Likewise.
26318 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26319 %lo(), allow it in addresses...
26320 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26321 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26322 does not make sense.
26323 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26324 (sparc_output_scratch_registers): New function.
26325 (output_function_prologue, sparc_flat_output_function_prologue): Use
26327 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26329 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26330 * configure.in: Add check for .register pseudo-op support in as and
26331 check for offsetable %lo().
26332 * acconfig.h: Add templates for the above checks.
26333 * configure: Regenerate.
26335 1999-08-02 Richard Henderson <rth@cygnus.com>
26337 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26338 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26339 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26341 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26343 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26346 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26348 * config/float-sparc.h: New file.
26349 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26350 sparc-*-linux-gnu and sparc64-*-linux*.
26352 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26354 * rs6000.c (rs6000_va_list): Type is an array.
26355 (rs6000_va_start): Don't doubly adjust for varargs.
26356 (rs6000_va_arg): Evaluate long long GPR adjustment.
26358 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26360 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26361 -maix64 and -maix32.
26362 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26363 LINK_SPEC): Change appropriately.
26364 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26365 (u_short_cint_operand): Likewise.
26366 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26368 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26370 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26372 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26374 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26375 for type promotion.
26376 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26377 (non_add_cint_operand): Likewise.
26378 (logical_operand): Likewise.
26379 (non_logical_cint_operand): Likewise.
26380 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26381 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26382 (rs6000_select_rtx_section): Suppress warning.
26383 (small_data_operand): Suppress warning.
26384 (rs6000_got_register): Suppress warning.
26385 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26386 type, so `J' is generally the wrong constraint for a SImode value;
26388 (andsi3_internal2): Likewise.
26389 (andsi3_internal3): Likewise.
26390 (iorsi3_internal1): Likewise.
26391 (xorsi3_internal1): Likewise.
26393 (movsf_softfloat): Likewise.
26394 (scc insns): Likewise.
26395 (movsi+2): Preserve sign bits of SImode constant.
26396 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26397 (movdf+1): Sign-extend properly.
26398 (movdi_32+1): Sign-extend properly.
26399 (scc insns): Sign-extend properly.
26401 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26404 1999-08-02 Richard Henderson <rth@cygnus.com>
26406 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26407 -mcpu parsing code.
26408 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26409 * alpha.md (all fp insns): Likewise.
26411 1999-08-02 Nick Clifton <nickc@cygnus.com>
26413 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26416 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26418 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26419 pic_load_label generator directly.
26420 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26421 No longer a named pattern.
26423 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26425 * explow.c (force_reg): Call force_operand if X does not
26426 satisfy general_operand.
26428 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26430 * fix-header.c (main): When testing for CONTINUED, use string
26431 equality, not pointer equality.
26433 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26435 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26437 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26439 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26440 that has become an unconditional jump.
26442 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26443 (output_function_epilogue): Similarly.
26445 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26447 * tree.h (init_dummy_function_start): Declare.
26449 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26451 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26452 last_expr_type, last_expr_value, block_start_count, block_stack,
26453 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26454 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26455 dynamically in stmt elt of struct function for each function.
26456 (struct nesting): Rename function_call_count elt to n_function_calls,
26457 target_temp_slot_level to block_target_temp_slot_level. All users
26459 (struct stmt_status): New structure definition.
26460 Add many accessor macros for stmt_status elements which previously
26461 were global variables.
26462 (init_stmt_for_function): Allocate stmt elt for current_function.
26463 Reflect that block_start_count was renamed to
26464 current_block_start_count.
26465 (save_stmt_status, restore_stmt_status): Delete functions.
26466 (preserve_subexpressions_p): Don't access loop_stack when outside
26468 (expand_start_bindings): Reflect that block_start_count was renamed to
26469 current_block_start_count.
26470 (expand_fixup): Likewise.
26471 (expand_decl): Don't access block_stack when outside a function.
26472 (expand_decl_cleanup): Likewise.
26473 (expand_dcc_cleanup): Likewise.
26474 (expand_dhc_cleanup): Likewise.
26475 (expand_anon_union_decl): Likewise.
26476 (set_file_and_line_for_stmt): New function.
26477 (in_control_zone_p): New function.
26479 * function.h (struct function): Add new elt stmt.
26480 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26481 case_stack, nesting_stack, nesting_depth, block_start_count,
26482 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26483 emit_lineno, goto_fixup_chain.
26484 (save_eh_status, restore_eh_status, save_stmt_status,
26485 restore_stmt_status): Delete declarations.
26486 * function.c (push_function_context_to): Don't call save_stmt_status.
26487 (pop_function_context_to): Don't call restore_stmt_status.
26488 * tree.h (in_control_zone_p): Declare.
26489 * rtl.h (set_file_and_line_for_stmt): Declare.
26491 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26492 call set_file_and_line_for_stmt.
26494 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26496 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26497 Also update copyright.
26499 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26501 * c-pragma.c: Don't include "except.h".
26502 * emit-rtl.c: Likewise.
26503 * stor-layout.c: Likewise.
26504 * tree.c: Likewise.
26505 * varasm.c: Likewise.
26507 * flow.c: Include "function.h".
26508 * tree.h (init_dummy_function_start): Declare new function.
26510 * except.h (struct eh_status): New structure.
26511 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26513 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26514 catch_clauses, false_label_stack, caught_return_label_stack,
26515 protect_list, current_function_ehc): Add accessor macros for the
26516 corresponding fields in current_function->eh; delete declarations
26517 for all items that used to be declared here.
26518 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26519 catch_clauses, false_label_stack, caught_return_label_stack,
26520 protect_list, current_function_ehc): Delete variables.
26521 (init_eh_for_function): Allocate current_function->eh.
26522 (save_eh_status, restore_eh_status): Delete functions.
26524 * function.h (struct function): Add fields next_global and eh.
26525 Delete all exception handling related fields.
26526 * function.c (current_function): New variable.
26527 (all_functions): New variable.
26528 (push_function_context_to): Don't allocate a struct function,
26529 use current_function instead. Call init_dummy_function_start when
26530 outside a function. Clear current_function before returning.
26531 (pop_function_context_from): Restore current_function.
26532 Don't free the restored struct function.
26533 (prepare_function_start): New function.
26534 (init_dummy_function_start): New function.
26535 (init_function_start): Break out some code into prepare_function_start
26538 * stmt.c (save_stmt_status): Don't call save_eh_status.
26539 (restore_stmt_status): Don't call restore_eh_status.
26541 * Makefile.in: Update dependencies.
26543 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26545 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26546 of depending on a magic constant value. Update comments.
26547 (hppa_expand_prologue): Similarly.
26549 * pa.md (reload_indi, reload_outdi): Allow any register for the
26550 original reload register.
26552 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26554 * cccp.c (print_help): Change marcos to macros.
26556 1999-07-30 Richard Henderson <rth@cygnus.com>
26558 * c-typeck.c (initializer_constant_valid_p): Move ...
26559 * c-common.c (initializer_constant_valid_p): ... here. Use
26560 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26561 of label addresses.
26562 * c-common.h (initializer_constant_valid_p): Declare.
26563 * c-tree.h (initializer_constant_valid_p): Remove.
26565 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26567 * config/i386/sol2-c1.asm: Align the stack.
26568 * config/i386/sol2-gc1.asm: Likewise.
26570 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26572 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26573 -Asparclite for sparc86x.
26574 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26576 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26578 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26580 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26581 the user if using the non-default arch size in BI_ARCH configuration.
26582 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26584 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26585 Fix patterns so that they actually match.
26586 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26587 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26588 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26590 (mulsidi3): Reflect this in the expand.
26591 (smulsi3_highpart): Only on TARGET_ARCH32.
26592 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26593 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26594 (umulsidi3): Reflect this in the expand.
26595 (umulsi3_highpart): Only on TARGET_ARCH32.
26596 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26597 don't require g0 to be zero.
26598 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26599 ({,u}divsi3): New expands.
26600 ({,u}divsi3_sp64): New patterns.
26601 (after lshrdi3_v8plus): Four new patterns to help combiner
26602 optimizing nested mixed mode shifts.
26604 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26605 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26606 speed things up. Don't use them by default on plain v9 in 64bit
26607 mode, according to what SPAMv9 sais.
26609 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26610 top 32 bits of %[og][0-7] in signal handlers.
26611 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26613 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26615 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26616 (ashlsi3): Corresponding changes.
26618 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26620 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26622 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26624 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26626 * arm.h (Hint): Delete macro.
26627 Substitute HOST_WIDE_INT for Hint in some prototypes.
26628 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26630 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26632 * builtins.c (expand_builtin_setjmp): Use force_operand to
26633 make sure that the buffer address is in a suitable form to be
26634 passed to force_reg.
26636 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26638 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26641 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26643 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26644 proper mode in the condition string.
26645 (icacheflush, dcacheflush): Remove modes from match_operands.
26647 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26648 proper mode before using it.
26650 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26653 * pa.c (store_reg): Do not call add_high_const generator directly.
26654 (load_reg, set_reg_plus_d): Likewise.
26655 * pa.md (add_high_const): No longer a named pattern.
26657 * pa.c (legitimize_address): Consistently use Pmode rather than
26658 SImode. Do not call gen_pic2_highpart directly anymore.
26659 * pa.md (pic2_highpart): No longer a named pattern.
26660 (pic2_lo_sum): Similarly. Reformat to make more readable.
26662 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26667 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26669 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26671 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26673 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26674 and tag the spill mems.
26675 (hppa_va_start): New.
26676 (hppa_va_arg): New.
26677 * pa.h (EXPAND_BUILTIN_VA_START): New.
26678 (EXPAND_BUILTIN_VA_ARG): New.
26680 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26682 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26683 and tag the spill mems.
26684 (mn10300_va_start): New.
26685 (mn10300_va_arg): New.
26686 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26687 (EXPAND_BUILTIN_VA_ARG): New.
26689 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26691 * mn10200.c (mn10200_va_arg): New.
26692 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26694 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26696 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26697 rather than play with TREE_INT_CST_LOW.
26699 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26701 * config/arm/telf.h: Include dbxelf.h.
26702 (CPP_PREDEFINES): Only define if not already defined.
26703 (ASM_IDENTIFY_GCC): Likewise.
26704 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26705 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26706 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26708 (DBX_DEBUGGING_INFO): Don't define.
26709 * config/arm/linux-telf.h: New file.
26710 * config/arm/linux-tgas.h: New file.
26711 * config/arm/t-thumb-linux: New file.
26712 * config/arm/uclinux-elf.h: New file.
26713 * config/arm/uclinux-telf.h: New file.
26714 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26715 thumb-*-uclinux): New targets.
26716 * configure: Regenerate.
26718 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26720 * pa.md (post_store, pre_load): New expanders.
26721 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26722 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26723 need to directly generate RTL for them.
26724 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26727 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26729 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26730 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26731 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26732 (secndary_reload_class): Make TARGET_ELF conditional compile.
26733 (print_operand_address): Similar.
26734 (output_toc): Print all values as hex.
26735 (get_issue_rate): Rearrange and add RS64A and PPC630.
26736 * rs6000.h (processor_type): Add RS64A and PPC630.
26737 (PROCESSOR_POWERPC64): New.
26738 (PROMOTE_MODE): Use word_mode.
26739 (RTX_COSTS): Add RS64A and PPC630.
26740 * rs6000.md (scheduling information): Add lmul and ldiv
26741 representing 64-bit integer multiply and divide. Add rs64a and
26742 PPC630 information.
26743 (ashldi3): Add support for "rldic" instruction.
26744 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26746 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26748 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26749 instead of V8 for sparclite86x in cpu_table.
26751 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26753 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26754 output_file_directive.
26756 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26758 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26759 tree for op1, not the rtl.
26761 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26763 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26764 to m88k_va_start, leaving only the register spill.
26765 (m88k_build_va_list): New.
26766 (m88k_va_start): New.
26767 (m88k_va_arg): New.
26768 * m88k.h (BUILD_VA_LIST_TYPE): New.
26769 (EXPAND_BUILTIN_VA_START): New.
26770 (EXPAND_BUILTIN_VA_ARG): New.
26772 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26774 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26775 Rename from expand_builtin_saveregs.
26776 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26778 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26780 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26781 for the register spill block.
26782 (i960_build_va_list): New.
26783 (i960_va_start): New.
26784 (i960_va_arg): New.
26785 * i960.h (BUILD_VA_LIST_TYPE): New.
26786 (EXPAND_BUILTIN_VA_START): New.
26787 (EXPAND_BUILTIN_VA_ARG): New.
26788 * i960.md (store_multiple): Use change_address on individul mems.
26790 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26792 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26794 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26795 (expand_builtin_va_end): Evaluate arg for side effects.
26796 * c-common.c (c_common_nodes_and_builtins): Construct a
26797 va_list_arg_type_node to handle array decomposition to pointer.
26799 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26801 * except.c (st_dynamic_cleanup): Use force_operand on the
26804 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26806 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26807 * c4x.c (c4x_va_arg): New.
26809 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26811 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26812 has manual_pop set.
26814 1999-07-26 Nathan Sidwell <nathan@acm.org>
26816 * eh-common.h (__eh_matcher): Prototype correctly.
26818 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26820 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26821 (TARGET_SINGLE_PIC_BASE): Likewise.
26822 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26824 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26825 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26826 (TARGET_OPTIONS): Add -mpic-register=N.
26827 (OUTPUT_INT_ADDR_CONST): New macro.
26828 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26829 LEGITIMATE_PIC_OPERAND_P): Likewise.
26830 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26831 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26832 output_addr_const directly.
26833 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26835 (thumb_pic_register, thumb_pic_register_string): Declare.
26837 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26839 (label_mentioned_p): New function: Imported from arm.c.
26840 (legitimize_pic_address): New function: Imported from arm.c.
26841 (is_pic):New function: Imported from arm.c.
26842 (thumb_finalize_pic):New function: Imported from arm.c.
26843 (add_constant): Cope with PIC constants.
26844 (fixit): Cope with PIC constants.
26845 (output_return): Do not treat the PIC register as live if
26846 TARGET_SINGLE_PIC_BASE is true.
26847 (thumb_function_prologue): Do not treat the PIC register as live if
26848 TARGET_SINGLE_PIC_BASE is true.
26849 (thumb_expand_prologue): Do not treat the PIC register as live if
26850 TARGET_SINGLE_PIC_BASE is true.
26851 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26852 TARGET_SINGLE_PIC_BASE is true.
26853 (thumb_print_operand): Accept '|'.
26854 (thumb_override_options): Process PIC options.
26856 * config/arm/thumb.md (movsi): Support PIC.
26857 (call_insn): Change "i" constraint to "X".
26858 (call_value_insn): Likewise.
26859 (consttable_4, consttable_8, consttable_end): Set and clear
26860 "making_const_table" as appropriate.
26861 (pic_load_addr, pic_add_dot_plus_four): New insns.
26863 * invoke.texi (Thumb Options): Fix spelling. Document new
26864 options -msingle-pic-base and -mpic-register=.
26866 1999-07-26 Andrew Haley <aph@cygnus.com>
26868 * config/m32r/initfini.c (__init): Use a full word immediate for
26869 __fini: this allows it to be placed in any memory region.
26871 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26872 -mmodel=medium. This is OK for all memory models.
26874 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26876 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26877 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26879 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26881 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26884 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26886 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26888 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26889 (BUILD_VA_LIST_TYPE): New.
26890 (EXPAND_BUILTIN_VA_START): New.
26891 (EXPAND_BUILTIN_VA_ARG): New.
26892 * i860.c (output_delayed_branch): Disable.
26893 (output_delay_insn): Likewise.
26894 (i860_saveregs): New.
26895 (i860_build_va_list): New.
26896 (i860_va_start): New.
26897 (i860_va_arg): New.
26898 * i860.md: Disable all peepholes using output_delayed_branch.
26899 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26901 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26903 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26904 (BUILD_VA_LIST_TYPE): New.
26905 (EXPAND_BUILTIN_VA_START): New.
26906 (EXPAND_BUILTIN_VA_ARG): New.
26907 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26908 Return the address of the save area.
26909 (clipper_build_va_list): New.
26910 (clipper_va_start): New.
26911 (clipper_va_arg): New.
26913 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26915 * arc.h (EXPAND_BUILTIN_VA_START): New.
26916 (EXPAND_BUILTIN_VA_ARG): New.
26917 * arc.c (arc_setup_incoming_varargs): Set alias set of
26919 (arc_va_start): New.
26922 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26924 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26925 (BUILD_VA_LIST_TYPE): New.
26926 (EXPAND_BUILTIN_VA_START): New.
26927 (EXPAND_BUILTIN_VA_ARG): New.
26928 * alpha.c (alpha_builtin_saveregs): Delete.
26929 (alpha_build_va_list): New.
26930 (alpha_va_start): New.
26931 (alpha_va_arg): New.
26933 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26935 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26937 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26938 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26940 * gcc.texi: More changes related to list conversion.
26941 * invoke.texi: Likewise.
26943 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26945 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26946 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26947 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26948 (stabilize_va_list): New function.
26949 (std_expand_builtin_va_start): New function.
26950 (expand_builtin_va_start): New function.
26951 (get_varargs_alias_set): New function.
26952 (std_expand_builtin_va_arg): New function.
26953 (expand_builtin_va_arg): New function.
26954 (expand_builtin_va_end): New function.
26955 (expand_builtin_va_copy): New function.
26956 (expand_builtin): Call them.
26957 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26958 __builtin_{varargs_start,stdarg_start,end,copy}.
26959 (build_va_arg): New function.
26960 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26961 (build_va_arg): Declare.
26962 * c-decl.c (ptr_type_node, va_list_type_node): New.
26963 * c-parse.gperf (__builtin_va_arg): New.
26964 * c-parse.in (VA_ARG): New token.
26965 (unary_expr): Recognize it.
26966 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26967 * expr.h (std_expand_builtin_va_start): Declare.
26968 (std_expand_builtin_va_arg): Declare.
26969 (expand_builtin_va_arg): Declare.
26970 (get_varargs_alias_set): Declare.
26971 * tree.def (VA_ARG_EXPR): New.
26972 * tree.h (BUILT_IN_VARARGS_START): New.
26973 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26974 (ptr_type_node, va_list_type_node): Declare.
26975 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26976 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26977 * m88k.h, m88k.c: Likewise.
26978 * mn10300.h, mn10300.c: Likewise.
26979 * pa.h, pa.c: Likewise.
26980 * rs6000.h, rs6000.c: Likewise.
26981 * sh.h, sh.c: Likewise.
26982 * sparc.h, sparc.c: Likewise.
26984 * emit-rtl.c (operand_subword): Copy alias set.
26985 (change_address): Likewise.
26987 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26989 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26990 not just the first one.
26992 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26994 * config/arm/arm.h (TARGET_SWITCHES): Add
26995 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26996 (TARGET_OPTIONS): Add -mpic-register=.
26997 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26998 (arm_pic_register_string): Declare.
26999 (NEED_PLT_GOT): Delete, replace with ...
27000 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
27001 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
27002 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
27003 * config/arm/arm.c (arm_override_options): Add new option
27005 (arm_pic_register_string): New variable.
27006 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
27007 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
27008 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
27009 (output_return_instruction): Likewise.
27010 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
27011 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
27012 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
27014 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
27015 mention of -msched-prolog. Document new options -msingle-pic-base
27016 and -mpic-register=.
27018 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
27020 * haifa-sched.c (reemit_notes): Tidy.
27021 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
27024 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
27026 * explow.c (trunc_int_for_mode): New function.
27027 (plus_constant_wide): Use it.
27028 * combine.c (simplify_and_const_int): Likewise.
27029 (merge_outer_ops): Likewise.
27030 (simplify_shift_const): Likewise.
27031 * cse.c (simplify_unary_operation): Likewise.
27032 (simplify_binary_operation): Likewise.
27033 * emit-rtl.c (operand_subword): Likewise.
27034 * rtl.h: Declare it.
27036 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27038 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
27039 (use NUM_REGS instead of NUM_INTS).
27041 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27043 * builtins.c: New file.
27044 * expr.c (saveregs_value, apply_args_value): Delete definition,
27045 moved into builtins.c.
27046 (string_constant): No longer static.
27047 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
27048 apply_args_size, apply_result_size, result_vector,
27049 expand_builtin_apply_args, expand_builtin_apply,
27050 expand_builtin_return): Delete functions, moved into builtins.c.
27051 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
27052 * expr.h (saveregs_value, apply_args_value): Declare variables.
27053 (expand_builtin, string_constant): Declare functions.
27054 * Makefile.in: Update to build builtin.o.
27056 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
27058 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
27059 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
27060 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
27061 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
27063 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
27066 1999-07-21 Michael Meissner <meissner@cygnus.com>
27068 * print-rtl.c (print_rtx): Print the names of the virtual
27071 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
27073 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
27074 introduced in previous delta.
27076 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27078 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
27079 to avoid name clash.
27081 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
27083 * c-lex.c (yylex) : Correct the test for overflow when lexing
27086 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
27088 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
27089 (adjust_priority): Always call ADJUST_PRIORITY.
27090 (schedule_insn): Only put insns into the ready at cost 0.
27091 (schedule_block): Remove redundant initial sort. Give clock_var
27092 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
27094 * tm.texi (MD_SCHED_REORDER): Update docs.
27096 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
27097 * sparc.c (ultra_reorder_called_this_block): Delete.
27098 (ultrasparc_sched_init): Don't set it.
27099 (ultrasparc_sched_reorder): Don't check it.
27101 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
27103 * rs6000.h (struct rs6000_args): Add sysv_gregno.
27104 * rs6000.c (init_cumulative_args): Init sysv_gregno.
27105 (function_arg_boundary): Align DFmode.
27106 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
27107 to get fp reg and stack overflow correct.
27108 (function_arg): Likewise.
27109 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
27110 (setup_incoming_varargs): Restructure for ABI_V4; use
27111 function_arg_advance to skip final named argument.
27112 (expand_builtin_saveregs): Properly unskip the last integer arg
27113 when doing varargs. Adjust overflow location calculation.
27115 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
27116 explicitly unsigned.
27117 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
27118 (__VA_GP_REGSAVE): Similarly.
27119 (__va_longlong_p): Delete.
27120 (__va_arg_type_violation): New declaration.
27121 (va_arg): Restructure. Flag promotion errors. Align double.
27122 TFmode passed by reference.
27124 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
27125 in the HOST_BITS_PER_WIDE_INT > 32 case.
27127 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
27129 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
27131 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
27133 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
27134 * toplev.c (documented_lang_options): Add -fpreprocessed.
27135 * cpplib.h (struct cpp_buffer): Add preprocessed.
27136 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
27137 (cpp_start_read): Don't expand macros or emit an initial #line
27138 directive if -fpreprocessed.
27140 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
27142 * cpplib.h (struct cpp_buffer): Added manual_pop for
27143 better C++ tokenization.
27144 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
27145 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
27146 * c-common.c (cpp_token): Make non-static.
27148 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27150 * c-common.h: New file.
27151 * c-common.c (permanent_obstack): Delete unused declaration.
27152 (c_global_trees): New array.
27153 (c_common_nodes_and_builtins): New function; split off common code
27154 from init_decl_processing in both c-decl.c and cp/decl.c.
27155 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
27156 c_global_trees and accessor macros defined in c-common.h.
27157 Include c-common.h.
27158 * c-decl.c: Delete definitions for tree nodes that were replaced by
27160 (init_decl_processing): Build void_list_node.
27161 Call c_common_nodes_and_builtins; delete code to generate the common
27163 * objc/objc-act.c (build_module_descriptor): Rename variable
27164 void_list_node to avoid clash with c-common.h.
27166 * Makefile.in: Update dependencies.
27167 * objc/Make-lang.in: Likewise.
27169 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
27171 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
27172 (UNIQUE_SECTION_P): Likewise.
27173 (UNIQUE_SECTION): Likewise.
27175 1999-07-19 Linas Vepstas <linas@linas.org>
27177 * config/i370/README: New file.
27178 * config/i370/linux.h: New file.
27179 * config/i370/mvs.h: New file.
27180 * config/i370/oe.h: New file.
27181 * config/i370/t-linux: New file.
27182 * config/i370/t-mvs: New file.
27183 * config/i370/t-oe: New file.
27184 * config/i370/x-oe: New file.
27185 * config/i370/xm-linux.h: New file.
27186 * config/i370/xm-mvs.h: New file.
27187 * config/i370/xm-oe.h: New file.
27189 * i370.c (label_node_t): Add first_ref_page, label_addr,
27190 label_first_ref, label_last_ref members.
27191 (mvs_need_base_reload): Renamed from mvs_label_emitted.
27192 (MAX_MVS_LABEL_SIZE): Define.
27193 (MAX_LONG_LABEL_SIZE): Define.
27194 (alias_node_t, alias_anchor, alias_number): New.
27195 (mvs_function_table): Reorder for EBCDIC.
27196 (ascebc, ebcasc): Unconditionally define.
27197 (i370_branch_dest, i370_branch_length): New functions.
27198 (i370_short_branch, i370_label_scan): New functions.
27199 (mvs_get_label): Renamed from mvs_add_label. Search for
27200 an existing label before creating a new one.
27201 (mvs_add_label): New function.
27202 (mvs_get_label_page): New function.
27203 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
27204 over the entire list.
27205 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
27206 (mvs_check_page) [TARGET_ELF_ABI]: New function.
27207 (mvs_add_alias, mvs_need_alias): New functions.
27208 (mvs_get_alias, mvs_check_alias): New functions.
27209 (handle_pragma): New function.
27210 (mvs_function_check): New function.
27211 (unsigned_jump_follows_p): Search harder.
27212 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
27213 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
27214 * i370.h (TARGET_VERSION): Delete.
27215 (CPP_SPEC, CPP_PREDEFINES): Delete.
27216 (mvs_label_emitted): Delete.
27217 (TARGET_EBCDIC): Delete.
27218 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
27219 (HANDLE_PRAGMA): Define.
27220 (HARD_REGNO_NREGS): Handle complex modes.
27221 (HARD_REGNO_MODE_OK): Likewise.
27222 (CLASS_MAX_NREGS): Likewise.
27223 (RET_REG): Likewise.
27224 (EXTRA_CONSTRAINT): Define.
27225 (RETURN_IN_MEMORY): True for DImode.
27226 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
27227 (FUNCTION_PROFILER): Delete.
27228 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
27229 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
27230 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
27231 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
27232 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
27233 (ASM_FILE_START): Add "RMODE ANY".
27234 (ASM_OUTPUT_EXTERNAL): Check for aliases.
27235 (ASM_GLOBALIZE_LABEL): Likewise.
27236 (ASM_OUTPUT_LABELREF): Likewise.
27237 (ASM_OUTPUT_COMMON): Likewise.
27238 (PRINT_OPERAND): Handle 'K', 'W', default.
27239 (PRINT_OPERAND_ADDRESS): New.
27240 (Lots of defines): Add support for TARGET_ELF_ABI.
27241 * i370.md (attr length): New. Define for all patterns.
27242 (*): Lots of tweeks to assembly output and constraints.
27244 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
27246 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
27247 Disable patterns performing SImode comparisons with SImode values
27248 if TARGET_POWERPC64 and instruction does not sign-extend or does
27249 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
27250 differ for signed quantities.
27251 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
27252 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
27253 (decrement_and_branch_on_count): Add 64-bit variant.
27255 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27257 * final.c (output_asm_insn): When searching for the matching string
27258 for a given dialect, don't run past the end of the list of
27259 alternatives if there are fewer alternatives in the template than
27262 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27264 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27265 Removed paragraph about compression of files and size limitation,
27266 duplicated in the FAQ. Use gcc-patches for posting patches.
27267 * gcc.c (main): Updated URL with bug reporting instructions to
27268 gcc.gnu.org. Removed e-mail address.
27269 * system.h (abort): Likewise.
27271 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27273 * Makefile.in (stmp-multilib-sub): Make the files extracted
27274 from $(LIBGCC1) writable.
27276 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27278 * config/arm/aout.h: Reformat for improved readability.
27280 * config/arm/arm.h: Reformat for improved readability.
27281 Replace uses of fprintf with asm_fprintf where appropriate.
27282 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27283 function declaration assembler actions.
27284 (NUM_INTS): New macro: Convert from bytes to words.
27285 (NUM_REGS): New macro: Compute number of registers required to
27286 hold a quanitity of tyep MODE.
27287 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27289 (NUM_ARG_REGS): New macro: The number of argument registers
27291 (ARG_REGISTER): New macro: Compute the register number of the Nth
27293 (LAST_ARG_REGNUM): New macro: The number of the last argument
27295 (SP_REGNUM): New macro: Register number of the stack pointer.
27296 (FP_REGNUM): New macro: Register number of the frame pointer.
27297 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27298 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27299 CUMULATIVE_ARGS so that it counts registers not bytes.
27301 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27303 Replace uses of fprintf with asm_fprintf where appropriate.
27304 (output_ascii_pseudo_op): Replace with version from thumb.c
27306 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27308 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27309 SUBTARGET_CPP_SPEC.
27310 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27311 (ASM_FILE_START): Emit ASM_APP_OFF.
27313 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27315 * pa.c (compute_frame_size): Round frame according to
27316 STACK_BOUNDARY rather than a hardwired value.
27318 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27320 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27322 * configure: Rebuilt.
27324 * configure.in (hppa*-*-linux*): New configuration.
27325 * configure: Rebuilt.
27326 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27327 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27328 * pa/pa-linux.h: New file.
27329 * pa/t-linux: New file.
27330 * pa/xm-linux.h: New file.
27332 * pa.c (hppa_legitimize_address): Change references from SImode to
27333 either Pmode or word_mode as appropriate.
27334 (emit_move_sequence, store_reg, load_reg): Likewise.
27335 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27336 (output_mul_insn): Likewise.
27337 * pa.h (PROMOTE_MODE): Likewise.
27338 (INITIALZE_TRAMPOLINE): Likewise.
27339 (Pmode): Define to word_mode.
27341 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27342 value of 4. Allocate 8 bytes for each FP register save.
27343 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27345 (hppa_expand_prologue): Likewise.
27346 * pa.h (PROMOTE_MODE): Likewise.
27347 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27348 (FUNCTION_ARG_BOUNDARY): Likewise.
27350 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27352 * pa.c (out_of_line_prologue_epilogue): Delete.
27353 (override_options): Remove -mspace related code.
27354 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27355 (compute_frame_size): Only allocate space for register that
27356 actually need to be saved.
27357 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27358 (TARGET_SWITCHES): Remove -mspace, -mno-space
27359 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27360 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27361 * pa/ee.asm, pa/ee_fp.asm: Delete.
27363 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27365 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27366 directive in column zero.
27368 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27370 * m68k.c (output_function_prologue): Fix computation of save mask
27371 when generating PIC code.
27373 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27375 * tree.c (build_type_attribute_variant): Move current_obstack restore
27376 after build_qualified_type call.
27378 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27380 * configure.in: Use t-iris6, even with GNU LD.
27381 * config/mips/iris6gld.h: Fix typo in linker spec.
27382 * config/mips/t-iris6gld: Remove.
27384 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27386 * rs6000.md (insv, extzv): Remove SImode dependence in named
27387 patterns. Explicitly generate DImode RTL if PowerPC64 and
27389 (insvdi): Reverse start and size in instruction template.
27391 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27393 * invoke.texi: Typo fixes.
27395 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27397 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27398 handle at this time instead of silently generating incorrect code.
27399 (gen_imagpart): Likewise.
27401 * reload.c (find_reloads): Emit a USE for a pseudo register without
27402 a hard register if we could not create an optional reload for the
27405 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27407 * c-typeck.c (output_init_element, process_init_element):
27408 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27409 check for nameless bit fields.
27411 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27413 * regclass.c (scan_one_insn): Notice subregs that change the
27414 size of their operand.
27415 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27417 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27419 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27420 * configure: Rebuilt.
27421 * alpha/t-ieee: New file.
27423 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27425 * rs6000.c (find_addr_reg): Do not select r0 as an address
27428 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27430 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27432 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27434 * rs6000.md (movsf): Do not force easy FP constants into memory.
27436 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27437 immed_double_const to ensure they are properly truncated then
27440 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27442 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27443 always unless NO_DEBUG is used. Compile this code
27445 (replace_symbols_in_block): Compile it unconditionally.
27447 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27449 * configure.in (i?86-*-elf*): New target.
27450 * configure: Rebuilt.
27451 * i386/i386elf.h, i386/t-i386elf: New files.
27453 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27455 * toplev.c (main): Don't complain about saying -gdwarf.
27456 (rest_of_compilation): Remove redundant code.
27458 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27460 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27462 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27464 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27465 "Li960R:", to avoid name clash.
27467 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27469 * loop.c (check_dbra_loop): When reversing a loop, delete all
27470 REG_EQUAL notes referencing the reversed biv except those which are
27471 for a giv based on it.
27473 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27475 * version.c: Drop "gcc-" prefix from version #.
27477 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27479 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27480 the label if we're being verbose.
27482 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27484 * m68k.c (output_function_prologue): Add pic register to mask
27485 if live and flag_pic.
27486 (output_function_epilogue): Likewise.
27488 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27490 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27491 directives in column zero.
27493 * pa/elf.h (ASM_FILE_START): Define.
27494 * pa/som.h (ASM_FILE_START): Include .level directives.
27495 * pa/hpux10.h (ASM_FILE_START): Delete.
27496 * pa/hpux11.h (ASM_FILE_START): Delete.
27498 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27500 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27502 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27503 when reload_out equals reload_in.
27505 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27507 * invoke.texi (Spec Files): New node: Describe the contents of
27510 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27512 * invoke.texi (DEC Alpha Options): Put @end table at
27513 beginning of line, to avoid confusing texi2html.
27515 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27517 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27518 introduced in previous delta.
27520 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27522 * reload1.c (gen_reload): When synthesizing a 3 operand add
27523 sequence, improve test for when to reload OP1 into the reload
27524 register instead of OP0.
27526 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27528 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27530 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27532 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27535 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27537 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27538 (va_dcl): Use __builtin_va_alist_t.
27540 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27542 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27543 on the permanent_obstack.
27544 * dwarfout.c (output_type): Likewise.
27546 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27548 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27549 Merged from c-typeck.c and cp/typeck.c.
27550 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27551 Merged into c-common.
27553 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27555 * c-lex.c (errorcount): Declare it.
27556 (finish_parse): Update errorcount when using CPPLIB.
27558 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27560 * fixinc/inclhack.def(end_else_label): Double the backslash so
27561 sed gets a chance to see it.
27562 * fixinc/inclhack.sh: regen
27563 * fixinc/fixincl.x: regen
27565 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27567 Add framework to support armv5 architecture when it becomes
27570 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27571 (arm_arch5): New variable.
27572 (all_architectures): Add armv5 line.
27573 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27574 -march=armv5 is specified on the command line.
27575 (arm_arch5): Export this variable.
27576 * invoke.texi: Document new string accepted by -march= switch for
27579 * config/arm/arm.h: Replace use of constant 12 as a register
27580 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27581 * config/arm/arm.c: Replace use of constant 12 as a register
27582 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27584 * config/arm/elf.h: Tidy up.
27585 * config/arm/coff.h: Tidy up.
27587 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27589 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27590 * gcc/config/mips/t-iris6gld: New file.
27591 * gcc/config/mips/iris6gld.h: Likewise.
27593 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27595 * c-decl.c (widest_integer_literal_type_node,
27596 widest_unsigned_literal_type) : New.
27597 (init_decl_processing): Handle/use the two new types.
27598 * c-common.c (type_for_size,type_for_mode) : Same.
27599 * c-lex.c (yylex) : Same.
27600 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27602 * c-tree.h (widest_integer_literal_type_node,
27603 widest_unsigned_literal_type) : New.
27605 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27607 * dwarfout.c (field_byte_offset): Correctly compute the object's
27608 byte offset for the first bit of a field which crosses an alignment
27609 boundary on a !BYTES_BIG_ENDIAN target.
27611 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27613 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27616 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27617 Jeff Law <law@cygnus.com>
27619 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27622 * except.c: Include intl.h.
27623 (expand_eh_return): Set current_function_cannot_inline.
27624 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27625 * function.h (struct function): Add eh_return_stub_label.
27626 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27627 * Makefile.in (except.o): Depend on intl.h.
27629 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27631 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27632 same as offsettable in cases 1 and 2.
27634 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27636 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27637 (extlh, extwh): Likewise.
27639 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27641 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27643 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27645 * configure.in: Add arm-pe and thumb-pe targets.
27646 * configure: Regenerate.
27648 * thumb.c (arm_naked_function_p): New function: Determines if
27649 a function is naked (has no gcc generated prologue/epilogue).
27650 (is_called_in_ARM_mode): Return true if the func has the
27651 interfacearm attribute.
27652 (output_return): Do not generate a return for naked functions.
27653 (thumb_function_prologue): Do not generate a prologue for
27655 (thumb_expand_prologue): Do not generate a prologue for naked
27657 (thumb_expand_epilogue): Do not generate an epilogue for naked
27659 (arm_valid_machine_decl_attribute): New function, copied from
27660 arm.c: Permit naked and interfacearm attributes.
27662 * config/arm/pe.c: New file: Support code for arm-pe target.
27663 * config/arm/pe.h: New file: Header file for arm-pe target.
27664 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27665 * config/arm/t-thumb-pe: New file: Makefile fragment for
27668 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27670 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27671 -fPIC or -fpic is specified.
27673 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27675 * expr.c (emit_block_move): Use copy_to_mode_reg for
27676 !TARGET_MEM_FUNCTIONS case too.
27678 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27680 * configure: Rebuilt.
27681 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27682 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27683 definitions made redundant by dbxelf.h inclusion. Delete
27684 lots of definitions related to assembly output that are
27685 specific to the SOM object format.
27686 * pa.c (output_function_prologue): Do not emit the function's
27688 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27689 * pa-pro.h: Deleted.
27690 * som.h: New file with SOM specific definitions.
27691 * elf.h: New file with ELF specific definitions.
27693 * elfos.h (const_section): Output a tab before assembler directives.
27694 (ctors_section, dtors_section): Likewise.
27695 (ASM_OUTPUT_SECTION_NAME): Likewise.
27697 * pa/pa1.h: Delete unused file.
27699 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27701 * configure.in (hppa*-hp-hpux11*): New configuration.
27702 * configure: Rebuilt.
27703 * pa/pa-hpux11.h: New file.
27704 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27707 * mips.md (leasi, leadi): New patterns.
27709 * expr.c (emit_block_move): Properly handle case where one of the
27710 block move arguments has a queued increment or decrement.
27711 (clear_storage): Similarly. Fix formatting goof.
27713 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27715 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27716 semicolon from the BSD VA_LIST replacement expression.
27718 * fixinc/inclhack.sh: regen
27719 * fixinc/fixincl.x: regen
27721 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27722 now use the fixincl program.
27724 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27726 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27727 case. Also make the PIC register call_used.
27729 * m68k.h (FINALIZE_PIC): Delete.
27730 * m68k.c (finalize_pic): Delete.
27732 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27734 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27737 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27739 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27741 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27743 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27745 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27747 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27749 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27751 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27753 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27755 * rs6000.c (output_toc): Always use hex values for floating-point
27756 constants. Store single-precision values in upper-half of TOC
27757 entry in 64-bit mode.
27758 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27759 to final constraints.
27760 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27761 (fctiwz): Improve accuracy of RTL for pattern.
27763 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27765 * expr.c (expand_expr): Allow RTL_EXPR's through the
27766 MAX_INTEGER_COMPUTATION_MODE checks.
27768 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27770 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27771 such that MASK_SUPPORT_ARCH is not negative.
27773 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27775 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27776 ADDR_DIFF_VEC insns that appear inside loops.
27778 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27779 Jeff Law <law@cygnus.com>
27781 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27782 Handle LO_SUM the same as offsettable in cases 1 and 2.
27783 * rs6000.c (find_addr_reg): Revert previous patch.
27785 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27787 * system.h (strstr): New external function declaration.
27788 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27789 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27790 * config.in, configure: Rebuilt.
27792 1999-06-24 Tom Tromey <tromey@cygnus.com>
27794 * gcc.c (main): Read user-specified specs files after computing
27795 additional startfile_prefixes.
27797 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27799 Revert these two patches:
27801 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27802 * loop.c (strength_reduce): When doing biv->giv conversion, update
27803 reg note of NEXT->insn.
27805 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27806 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27808 (recombine_givs): Set ix field after sorting.
27810 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27812 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27813 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27815 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27817 *fixinc/inclhack.def: Add fix development commentary
27818 (read_ret_type): reactivate and add selection clause
27819 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27820 *fixinc/{fixincl.x|inclhack.sh}: regen
27822 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27824 * expr.c (expand_expr): STRIP_NOPS before checking against
27825 MAX_INTEGER_COMPUTATION_MODE
27826 (check_max_integer_computation_mode): Likewise.
27828 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27830 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27832 1999-06-22 Jim Wilson <wilson@cygnus.com>
27834 * expr.c (store_expr): When target is a promoted subreg, return a
27835 promoted subreg as a result.
27837 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27839 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27841 (dwarf2out_define): Mark unused parameters appropriately.
27842 (gen_unspecified_parameters_die): Ditto.
27843 (gen_subprogram_die): Fix signed/unsigned warnings.
27844 (gen_variable_die): Ditto.
27846 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27848 * fixinc/inclhack.def(end_else_label): combined else_label
27849 and endif_label and fixed the sed expression.
27850 *fixinc/{fixincl.x|inclhack.sh}: regen
27852 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27854 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27855 'x' when handling non-offsettable addresses
27857 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27859 * final.c (shorten_branches): Don't try to split an insn that has
27862 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27864 * config/mips/mips.c (symbolic_expression_p): New function.
27865 (mips_select_rtx_section): Put symbolic expressions in the
27866 data section, not the read-only data section.
27868 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27870 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27872 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27874 * collect2.c (main): Log frame table count.
27875 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27876 (scan_prog_file) [COFF]: Handle frame tables.
27878 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27879 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27880 * alpha/elf.h: Undef them again.
27881 * alpha/vms.h: Remove their definitions.
27883 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27885 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27886 remove the clobber of r0 and change the REG_UNUSED note to
27889 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27891 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27892 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27893 fits in HOST_WIDE_INT and one uses union to access a long constant
27896 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27898 * sparc.c (sparc_override_options): Don't allow profiling for
27899 code models other than medlow.
27900 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27901 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27902 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27903 (sparc_block_profiler): Likewise.
27904 (sparc_function_block_profiler_exit): Likewise.
27905 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27906 (FUNCTION_BLOCK_PROFILER): Likewise.
27907 (BLOCK_PROFILER): Likewise.
27908 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27909 (MCOUNT_FUNCTION): New.
27910 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27911 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27912 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27913 (MCOUNT_FUNCTION): New.
27914 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27915 (BLOCK_PROFILER): Delete.
27916 (MCOUNT_FUNCTION): New.
27918 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27920 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27922 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27924 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27927 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27930 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27933 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27936 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27938 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27941 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27943 * i386/djgpp.h (LIB_SPEC): New.
27944 (STARTFILE_SPEC): New.
27946 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27948 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27950 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27953 * system.h (WSTOPSIG): New macro.
27955 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27957 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27959 (insert_pack_attributes): Take into account member natural
27962 * i386/winnt.c (exports_head): New static variable.
27963 (i386_pe_record_exported_symbol): New function.
27964 (i386_pe_asm_file_end): Use.
27965 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27966 symbols to be emitted at end of assembly.
27967 (ASM_DECLARE_OBJECT_NAME): Likewise.
27968 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27970 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27973 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27975 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27978 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27980 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27981 zapping reg_last_uses directly.
27982 (sched_analyze_2, sched_analyze_insn): Likewise.
27983 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27985 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27987 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27988 attributes for cases 1 and 2.
27990 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27992 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27995 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27997 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27999 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
28001 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
28002 PIC_OFFSET_TABLE_REGNUM for general alloaction.
28003 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
28004 must be stacked if it is used for PIC accesses.
28005 * arm.c (use_return_insn): Handle PIC register specially.
28006 (output_return_instruction): Likewise.
28007 (output_func_{prologue,epilogue}): Likewise.
28008 (output_expand_prologue): Likewise.
28010 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
28011 (*strsi_predec): Renamed from *strqi_predec.
28012 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
28013 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
28015 * arm.c (arm_override_options): Remove warning about PIC code
28016 not being supported.
28018 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
28020 * rs6000.c (find_addr_reg): New function.
28021 * rs6000.h (find_addr_reg): Declare.
28022 (offsettable_addr_operand): Delete.
28023 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
28024 from and stores to GPRs.
28026 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
28028 * alpha.c (alpha_expand_block_move): Use get_insns rather than
28029 gen_sequence as argument to emit_no_conflict_block.
28031 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28033 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
28034 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
28035 *fixinc/fixincl.x: regen
28036 *fixinc/inclhack.sh: regen
28038 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
28040 * added support for -mpcrel (PC relative addressing for m68k)
28041 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
28042 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
28043 * m68k.c (print_operand_address): Handle 32-bit PIC case.
28044 (comments for general_src_operand): Add some explanation
28045 about EXTRA_CONSTRAINTS.
28046 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
28047 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
28048 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
28049 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
28050 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
28051 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
28052 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
28053 if not already set.
28054 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
28055 * m68k.h (TARGET_PCREL): New target flag.
28056 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
28057 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
28058 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
28059 contains a SYMBOL_REF. Relax this constraint during reload, since
28060 we want to use the predicates, not reload's built-in concept of a
28061 valid memory address, to control what insns need reloading.
28062 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
28063 operands (essentially 'g', 'm', and 's' under normal circumstances).
28064 * m68k.c (print_operand): Cause printing of pc-relative addresses
28065 to include pc register.
28066 (print_operand_address): Ditto.
28067 (general_src_operand): Accept operands that are not only
28068 general_operands, but are also valid when used as a pc-relative
28070 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
28071 (memory_src_operand): Similar, for memory_operands.
28072 (pcrel_address): New predicate to accept the special case of a
28073 pc-relative address.
28074 * m68k.md (many patterns): Rewrite common SImode, HImode, and
28075 QImode insns to accept *_src_operand instead of *_operand where
28076 pc-relative operands can fit. For example, a pc-relative operand
28077 can be used as a memory source operand for addsi3, but not as a
28078 memory destination.
28079 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
28081 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
28083 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
28084 .thumb_set pseudo op to mark aliases of thumb functions.
28086 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
28088 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
28089 preference to ASM_OUTPUT_DEF, if it is defined.
28091 * tm.texi: Document new, optional target macro
28092 ASM_OUTPUT_DEF_FROM_DECLS.
28094 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28096 * fixincludes: ISCNTL patch
28097 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
28098 (dgux_int_varargs): new for DG/UX
28099 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
28101 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
28103 * invoke.texi (ia32 options): Fix typo.
28105 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28107 * loop.c (strength_reduce): When doing biv->giv conversion, update
28108 reg note of NEXT->insn.
28110 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
28112 * loop.c (move_movables): Note issues with replacing REGs with
28114 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
28116 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
28118 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
28120 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
28121 the reference to `mcount' was not correct for the ELF on FreeBSD.
28123 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28125 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28128 (recombine_givs): Set ix field after sorting.
28130 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
28132 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
28133 to safe to extract a subword out of a REG.
28135 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28137 * sh.md (mulsi3): Don't add a no-op move at the end.
28139 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28141 * cse.c (cse_insn): Don't put hard register source into tables for
28142 the last insn of a libcall.
28144 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28146 * loop.c (strength_reduce): Insert sets of derived givs at every
28147 biv increment, even if it's the only one.
28149 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
28151 * dwarfout.c (add_incomplete_type): New fn.
28152 (output_type): Call it.
28153 (retry_incomplete_types): New fn.
28154 (dwarfout_finish): Call it.
28156 From Eric Raskin <ehr@listworks.com>:
28157 (output_type): Output types for bases.
28159 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
28161 * mips.c (mips_output_conditional_branch): Add `break'
28162 between `default' label and `close braces'.
28164 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
28166 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
28167 specifications and make it realistic.
28168 (LIB_SPEC): Likewise.
28170 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
28172 * config/mips/mips.c (mips_secondary_reload_class): Check for
28173 (PLUS (SP) (REG)) and return appropriate register class.
28174 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
28175 Handle (PLUS (SP) (REG)).
28176 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
28177 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
28178 of emit_insn for tablejump.
28180 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
28182 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
28183 asm_fprintf format string by itself.
28184 (output_function_profiler): Likewise.
28186 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
28188 * combine.c (simplify_logical, case AND): Only call
28189 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
28190 or the constant is positive.
28192 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
28194 * configure.in: Fix typo in rs6000-ibm-aix4 case.
28195 * configure: Regenerate.
28197 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
28199 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
28200 require a sub-version #.
28201 * configure: Rebuilt.
28203 1999-06-14 Robert Lipe (robertlipe@usa.net)
28205 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
28207 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
28209 * c-typeck.c (process_init_element): Detect excess elements in
28210 char array initializer.
28212 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
28214 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
28216 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28218 * invoke.texi (Option Summary): Add -fpermissive flag.
28220 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
28222 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
28223 that require PIC code sequences.
28225 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
28227 * configure.in: Add new target: thumb-elf.
28228 * configure: Regenerate.
28229 * config/arm/t-thumb-elf: New file: Makefile fragment for
28231 * config/arm/telf.h: New file: Header file for thumb-elf
28234 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
28236 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
28237 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
28238 initializers is some circumstances.
28240 * fixinc/inclhack.def (endif_label): Add additional selector for
28241 more bogus stuff after #endif statements.
28242 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
28244 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
28246 * i386/cygwin.h (SET_ASM_OP): Define.
28248 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
28250 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
28252 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28254 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
28257 * sh.md (ic_invalidate_line_i): Remove second alternative.
28259 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28261 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28262 test for the presence of valid prototypes. Delete bypass expr.
28263 (ioctl_fix_ctrl): Correct the selection expression.
28264 (no_double_slash): Correct quoting rules
28265 *fixinc/fixincl.x: regen
28266 *fixinc/inclhack.sh: regen
28268 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28270 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28272 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28274 * rs6000.md (movsi_got_internal_mem): Delete.
28275 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28276 (GOT_TOC_REGNUM): Delete.
28277 (PIC_OFFSET_TABLE_REGNUM): Define.
28278 (FINALIZE_PIC): Disable.
28279 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28280 (rs6000_replace_regno): Delete.
28281 (rs6000_finalize_pic): Likewise.
28282 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28284 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28286 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28287 is a note; use <= for the compare; advance P while it is
28290 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28292 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28293 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28295 * varasm.c (remove_from_pending_weak_list): Verify t->name
28296 is non-NULL before passing it to strcmp.
28298 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28300 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28301 the typed arguments are not part of a comment
28302 (ioctl_fix_ctrl): Added a purpose comment
28303 *fixinc/fixincl.x: regenerate
28304 *fixinc/inclhack.sh: regenerate
28306 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28308 * invoke.texi: Add C4x invocation docs.
28310 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28312 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28314 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28316 (c4x_legitimize_reload_address): New function.
28317 * config/c4x/c4x.md: Update docs.
28319 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28321 * fixincludes: Avoid removing '.'.
28322 * fixinc/fixinc.svr4: Likewise.
28323 * fixinc/fixinc.winnt: Likewise.
28324 * fixinc/inclhack.tpl: Likewise.
28325 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28327 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28329 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28331 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28333 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28335 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28338 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28340 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28341 * configure: Regenerate.
28343 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28345 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28348 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28350 * fixinc/inclhack.def (avoid_bool): Also catch
28351 "typedef [unsigned] int bool".
28352 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28354 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28355 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28356 * configure: Rebuilt.
28358 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28360 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28361 such that we can override its definitions if necessary.
28362 (CPP_SPEC): New define. Support processor specific predefines via
28364 (CC1_SPEC): New define. Support processor specific compiler
28365 options via %(cc1_cpu).
28366 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28369 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28371 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28372 between sed's -e flag, and the open-quote following it.
28373 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28375 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28376 Jeffrey A Law (law@cygnus.com)
28378 * varasm.c (assemble_start_function): Remove the function
28379 from the pending weak decls list when we define a function.
28380 (assemble_variable): Similarly for variables.
28381 (weak_finish): Ignore items on the list with a NULL name.
28382 (remove_from_ending_weak_list); New function to "remove" an item
28383 from the pending weak declarations list.
28385 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28387 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28389 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28391 * c-lex.c (GETC): Redefine to call getch.
28392 (UNGETC): Redefine to call put_back.
28393 (putback_buffer): New structure type.
28394 (putback): New static structure.
28395 (getch): New function.
28396 (put_back): New function.
28397 (yylex): Replace unused bytes from bad multibyte character.
28399 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28401 * cpplib.c (do_define): Cast `alloca' return value.
28402 (do_include, do_undef, do_pragma): Likewise.
28403 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28405 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28406 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28408 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28410 * sparc.md (abstf2): This should be an expand.
28411 (split after abstf2_notv9): Fix mode.
28412 (abstf2_hq_v9): New pattern.
28413 (abstf2_v9): Only use when no hard quad.
28414 (absdf2_v9): Fix if target is not the same as source.
28415 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28416 Add correct output constraints.
28418 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28420 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28421 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28423 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28425 * mips.h (mips_output_conditional_branch): New function.
28426 (mips_adjust_insn_length): Likewise.
28427 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28428 (ADJUST_INSN_LENGTH): Likewise.
28429 * mips.c (print_operand): Add `F' and `W' for floating-point
28430 comparison opcodes.
28431 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28433 (mips_adjust_insn_length): New function.
28434 (mips_output_conditional_branch): New function.
28435 * mips.md (length): Adjust attribute definition to handle
28436 conditional branches. Change lengths to bytes, rather than
28437 instructions throughout. Remove length attribute from
28438 instructions whose length is four bytes, and rely on the default
28440 (dslot): Fix typo in comment.
28441 Reword conditional branch patterns to use
28442 mips_output_conditional_branch.
28444 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28446 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28447 (LIB_SPEC): Likewise.
28448 Link with -lprof1_r for -g/-pg.
28450 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28452 * loop.c (check_dbra_loop): Fix change of Jan 19.
28454 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28456 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28457 (STARTFILE_SPEC): Define, override the svr4.h version.
28458 (ENDFILE_SPEC): Likewise.
28460 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28462 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28463 * fixinc/fixincl.x: Regenerated.
28464 * fixinc/inclhack.sh: Regenerated.
28466 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28468 * sh.c (barrier_align): Don't return early for normal branch/barrier
28469 when optimizing for SH2.
28471 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28473 * i386/udk.h (LINK_SPEC): Correct linker search path for
28476 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28478 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28479 (braf_label_ref_operand): Delete.
28480 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28481 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28482 label_ref, and has no predicate.
28483 The patten has a predicate to guard against invalid substitutions.
28484 (dummy_jump): Delete.
28485 (casesi): Update use of casesi_jump_2.
28487 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28489 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28490 *fixinc/fixincl.x: regenerate
28491 *fixinc/inclhack.sh: regenerate
28493 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28495 * dwarf2out.c (add_incomplete_type): New fn.
28496 (gen_struct_or_union_type_die): Call it.
28497 (retry_incomplete_types): New fn.
28498 (dwarf2out_finish): Call it.
28500 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28502 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28503 current block starts with a CODE_LABEL and ends with a CALL and
28504 we can not find all the argument setup instructions for the CALL.
28506 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28508 Revert this change:
28509 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28510 something is a candidate for optimize_bit_field_compare.
28512 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28514 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28516 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28518 * alpha.c (override_options): Thinko in last patch.
28520 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28521 (LIB_SPEC): Recognize -pthread.
28523 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28525 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28526 definition in config/arm/coff.h
28527 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28529 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28531 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28532 fixes that need "file=xxx\n" prepended before invocation
28533 (start_fixer - new): starting the fixer process is complex enough
28534 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28535 (process): uses the new routine; omit usage of putenv()
28536 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28537 * fixinc/fixincl.x: regenerate
28539 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28541 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28542 and version #s (1.1 -> 2.96) as needed.
28543 * README.g77: Kill way out of date file in the toplevel directory.
28545 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28547 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28548 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28549 * configure: Rebuilt.
28550 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28551 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28552 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28553 (SWITCH_TAKES_ARG): Likewise.
28554 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28555 * config/t-freebsd: Moved from config/i386/ so it can used for all
28558 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28560 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28562 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28564 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28565 * configure: Rebuilt.
28567 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28569 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28570 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28571 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28572 (rs6000_output_load_toc_table): Same.
28573 (output_prolog, output_mi_thunk): Same.
28574 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28575 (ASM_GLOBALIZE_LABEL): Use putc.
28577 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28579 * alpha.md (reload_*_help): New patterns and splitters.
28580 (reload_*): Use them.
28581 (mov[qh]i): Likewise.
28583 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28585 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28588 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28590 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28592 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28594 * flow.c (mark_regs_live_at_end, insn_dead_p,
28595 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28596 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28597 hasn't run or the frame pointer is needed.
28598 * haifa-sched.c (attach_deaths): Likewise.
28599 * sched.c (attach_deaths): Likewise.
28601 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28603 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28604 calculate_can_reach_end returns nonzero.
28606 * configure.in (native gas tests): Search for an assembler in the
28607 same manner that the installed compiler will.
28608 * configure: Rebuilt.
28609 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28611 * alias.c (find_base_term): Improve handling of addresses
28612 constructed from binary operations.
28614 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28616 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28618 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28620 * function.h (cleanup_label, frame_offset): Declare.
28621 (tail_recursion_label, tail_recursion_reentry): Likewise.
28622 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28623 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28624 (tail_recursion_label, tail_recursion_reentry): Likewise.
28625 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28627 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28629 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28631 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28632 (MAX_OFILE_ALIGNMENT): Define.
28634 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28636 * fixincl.c: Replace local include scheme with #includes of
28637 gansidecl.h and system.h.
28638 * procopen.c: Likewise.
28639 * server.c: Likewise.
28641 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28643 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28644 (crti.o): Add build rule and dependencies.
28645 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28647 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28649 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28650 (LIB_LINUX_SPEC): Likewise.
28651 (LIB_LINUX_SPEC): Add support for -pthread
28652 (CPP_OS_LINUX_SPEC): Likewise.
28653 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28656 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28658 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28660 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28661 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28662 for IEEE math and CC_FCOMI.
28663 (put_jump_code): No IEEE if CC_FCOMI is set.
28665 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28667 * fold-const.c (fold_truthop): Make the field reference unsigned
28668 when converting a single bit compare.
28670 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28672 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28674 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28676 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28677 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28680 * reload.c (push_reload): Do not call remove_address_replacements
28681 when presented with identical optional reloads.
28683 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28685 * alpha.h (MASK_FIX, TARGET_FIX): New.
28686 (MASK_*): Reorganize constants.
28687 (CPP_AM_FIX_SPEC): New.
28688 (TARGET_SWITCHES): Add FIX.
28689 (EXTRA_SPECS): Likewise.
28690 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28691 (SECONDARY_MEMORY_NEEDED): Likewise.
28692 (REGISTER_MOVE_COST): Likewise.
28693 * alpha.c (override_options): Add FIX support. Always use
28694 ALPHA_TP_PROG for ev6.
28695 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28696 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28697 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28699 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28701 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28702 something is a candidate for optimize_bit_field_compare.
28704 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28706 * gcc.texi (Passes): Document branch-shortening.
28707 * invoke.texi (Debugging Options): Document the fact that `-dp'
28708 outputs length information for instructions.
28710 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28712 * flow.c: Revert previous delta.
28714 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28716 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28717 FRAME_POINTER_REGNUM.
28718 (mark_set_1): Ditto.
28719 (mark_used_regs): Ditto.
28721 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28723 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28724 (GOT_PCREL): New macro. Define to 1 if not already defined.
28725 * arm/elf.h (GOT_PCREL): Define to 0.
28726 * arm.c (arm_finalize_pic): Take into account the setting of
28729 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28731 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28732 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28734 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28735 store elimination candidates.
28737 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28739 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28742 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28744 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28745 Add use of x-aix41-gld.
28747 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28749 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28750 (ASM_OUTPUT_DESTRUCTOR): Define.
28752 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28754 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28755 last CODE_LABEL in a loop if we have previously passed a jump
28756 to the top of the loop.
28758 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28760 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28761 applying Philip's patch.
28763 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28765 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28768 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28770 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28772 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28774 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28775 Also remove a useless comment.
28777 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28779 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28781 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28783 * collect2.c (main): Only generate import or export file and add
28784 to link arguments if non-empty. Use xmalloc not alloca.
28785 (write_{export,import}_file): Delete.
28786 (write_aix_file): New function.
28787 (locatelib): Use xmalloc not malloc.
28788 (GCC_OK_SYMBOL): Do not check type if aix64.
28790 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28792 Based on patch by Scott Bambrough and Pat Beirne:
28793 * config/arm/arm.c (making_const_table): New variable.
28794 * config/arm/arm.h (making_const_table): Declare.
28795 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28797 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28798 Keep track of when we are building the constant table.
28800 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28802 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28805 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28807 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28810 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28812 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28815 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28817 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28819 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28821 * rs6000.c (output_mi_thunk): Enable full support again.
28823 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28825 * sh.h (BRANCH_COST): Define.
28827 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28829 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28831 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28833 * function.c (assign_stack_local): Align stack slot propertly.
28834 (assign_outer_stack_local): Likewise.
28836 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28838 * expr.h (lang_expand_constant): Declare.
28839 * toplev.c (lang_expand_constant): Define it.
28840 * varasm.c (output_constant): Use it.
28842 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28844 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28845 Change function definitions to K&R style.
28847 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28849 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28851 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28853 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28854 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28855 (several places): omit static initialization
28856 (process): use single fd, since only the read fd is used
28857 * fixinc/gnu-regex.c: define 'const' away, if not supported
28858 * fixinc/procopen.c(several places): omit static initialization
28859 * fixinc/server.c: define 'volitile' away, if not supported
28861 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28863 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28864 asm_fprintf and %L to generate the label name.
28865 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28866 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28868 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28870 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28871 insn for a conditional jump can not be found.
28873 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28875 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28876 on variables in specific sections other than .sbss and .sdata.
28878 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28880 * stmt.c (expand_return): Call start_cleanup_deferral and
28881 end_cleanup_deferral around conditional code.
28883 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28885 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28886 filename lists. Utilizes new "krstr" AutoGen function.
28887 * fixinc/fixincl.x: Rebuilt.
28889 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28891 * i386.c (output_float_compare): Avoid GNU-C extensions.
28893 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28895 * version.c: Bump to distinguish mainline tree from the
28898 See ChangeLog.1 for earlier changes.