1 2000-05-24 Nick Clifton <nickc@cygnus.com>
3 * fold-const.c (extract_muldiv): When constructing a
4 multiplier/divisor, do not expect const_binop to correctly
5 determine if overflow has occured, so check explicitly.
7 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
9 * c-decl.c (build_enumerator): Don't modify the value's type,
12 2000-05-24 Andreas Jaeger <aj@suse.de>
14 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
16 2000-05-24 Eric Christopher <echristo@cygnus.com>
18 * configure.in: Redefine inhibit_libc conditions.
19 * libgcc2.c: Remove inhibit_libc conditional define.
20 * configure: Regenerate.
22 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
24 * configure.in: For --enable-languages=LIST, check for empty LIST.
25 * configure: Regenerate.
27 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
29 * pdp11.h (STACK_BOUNDARY): Define.
31 2000-05-24 Jakub Jelinek <jakub@redhat.com>
33 * ifcvt.c (if_convert): Update life info globally.
35 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
37 * emit-rtl.c (unshare_all_decls): New function.
38 (unshare_all_rtl): Call it.
40 2000-05-23 Nick Clifton <nickc@cygnus.com>
42 * configure.in: Treat 'strongarm' as if it were 'arm' when
45 * configure: Regenerate.
47 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
48 where constant strings are involved.
50 * config/arm/arm.h (arm_condition_codes): Change type to 'const
53 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
54 cases where constant strings are involved.
56 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
58 * config/sh/sh.c (gen_far_branch, split_branches): Update
59 to reflect new prototypes for redirect_jump and invert_jump.
60 (sh_insn_length_adjustment): Get rid of const warnings.
62 2000-05-23 Kazu Hirata <kazu@hxi.com>
64 * invoke.texi (Options for Debugging Your Program or GCC): Update
65 the names of dump files.
67 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
69 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
70 * configure: Regenerated.
72 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
74 * simplify-rtx.c (SIGN_EXTEND): New macro.
75 (simplify_unary_operation, simplify_binary_operation,
76 simplify_relational_operation): Use SIGN_EXTEND. Make low
77 halves of (low, high) pairs unsigned if they weren't already.
78 (simplify_ternary_operation): Cast INTVAL to unsigned before
79 comparing to a MODE_BITSIZE.
81 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
84 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
86 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
87 gcc_AC_NEED_DECLARATIONS.
89 * dwarfout.c: Don't prototype time().
91 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
97 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
99 * c-decl.c (pushdecl): Invert sense of test for non-global types.
101 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
103 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
105 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
107 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
109 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
111 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
112 (alpha_start_function): Never write ..ng label if VMS or NT.
113 (alpha_align_insns): Remove GP_IN_USE arg.
114 Alignment now unsigned.
115 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
116 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
117 and two define_insn's.
119 2000-05-22 Richard Henderson <rth@cygnus.com>
121 * combine.c (simplify_comparison): Use trunc_int_for_mode.
123 2000-05-22 Richard Henderson <rth@cygnus.com>
125 * stor-layout.c (place_field): Change rli->size to rli->offset.
127 2000-05-22 Richard Henderson <rth@cygnus.com>
129 * function.c (thread_prologue_and_epilogue_insns): Make sure
130 existing line number notes appear after the prologue.
132 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
134 * config/alpha/alpha.c (alpha_fnname): New static variable.
135 (print_operand, case '~'): New case.
136 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
137 (alpha_start_function): Set alpha_fnname.
138 Write "ng" label if no ldgp; don't write ldgp insn.
139 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
140 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
142 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
144 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
147 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
149 * varasm.c (eh_frame_section): Revert change to argument list.
151 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
153 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
154 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
156 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
157 dangling "else" that causes "break" to be conditional.
158 Also remove unneeded code at start.
160 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
162 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
163 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
164 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
166 2000-05-22 Jakub Jelinek <jakub@redhat.com>
168 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
171 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
173 * alias.c (record_component_aliases): New function.
174 * tree.h: Clean up some declarations and comments.
175 (record_component_aliases): New declaration.
176 * tree.c (get_alias_set): If type and has alias set, use it.
178 2000-05-22 Richard Henderson <rth@cygnus.com>
180 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
181 IF_THEN_ELSE to a setcc form.
182 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
184 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
187 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
189 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
191 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
194 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
196 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
197 * config/mn10300/mn10300.c (print_operand): Likewise.
199 * final.c (split_double): Right shift of negative values is not
202 * ifcvt.c (if_convert): Scan and kill dead code.
204 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
206 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
208 * diagnostic.c: Eliminate implicit int.
209 * except.c, gcc.c: Add static prototypes.
210 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
211 * gensupport.c (process_rtx): Use XVEC to initialize vector
214 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
215 debug_reg_names instead of static reg_names. If not, define
217 * regclass.c: Don't define global reg_names unless
218 DEBUG_REGISTER_NAMES is defined.
220 * reload1.c (order_regs_for_reload): Remove unused variable.
221 * varasm.c: Include output.h after defaults.h. Define
222 eh_frame_section as function of no args, not of unspecified args.
224 * gcc.c: Constify argbuf; arguments to store_arg,
225 process_command, main; elements of struct command and struct
226 switchstr; local variables in execute, process_command, main.
228 2000-05-20 Bruce Korb <bkorb@gnu.org>
230 * fixinc/inclhack.def: many applications of c_fix=format + tests
231 * fixinc/check.diff: regenerated
232 * fixinc/fixincl.x: regenerated
234 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
236 * alias.c: Clarify some comments.
237 (record_base_value): REGNO is unsigned.
238 * rtl.h (record_base_value): Likewise.
240 * alias.c (aliases_everything_p): Don't special-case QImode here.
241 * c-common.c (c_get_alias_set): Do it here.
242 Handle BIT_FIELD_REF by getting alias info for arg.
245 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
247 * mklibgcc.in: Restore rule to create ${dir}.
249 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
251 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
252 GCC_FOR_TARGET used by MULTILIBS.
253 * mklibgcc.in: Make sure each .o file depends on the
254 directory it will be in.
255 Make the multilib directory depends libgcc.
257 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
259 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
261 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
263 * fold-const.c (make_range): Handle degenerated intervals.
264 Fixes c-torture/execute/991221-1.c
266 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
268 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
269 * reload.c (find_equiv_reg): Likewise.
270 * alias.c (init_alias_analysis): Likewise.
271 Only call prologue_epilogue_contains on insns.
272 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
273 * bb-reorder.c (hard-reg-set.h): Include earlier.
274 * haifa-sched.c (hard-reg-set.h): Likewise.
275 * ifcvt.c (hard-reg-set.h): Likewise.
276 * local-alloc.c (hard-reg-set.h): Likewise.
277 * loop.c (hard-reg-set.h): Likewise.
278 * predict.c (hard-reg-set.h): Likewise.
279 * regrename.c (hard-reg-set.h): Likewise.
280 * flow.c (hard-reg-set.h): Likewise.
281 (reg_set_to_hard_reg_set): New function.
282 * bitmap.c (regs.h, basic-block.h): No longer include.
283 (bitmap.h): Now include.
284 * conflict.c (hard-reg-set.h): Include.
285 * profile.c (hard-reg-set.h): Likewise.
286 * print-rtl.c (hard-reg-set.h): Likewise.
287 * sbitmap.c (hard-reg-set.h): Likewise.
288 * toplev.c (hard-reg-set.h): Likewise.
289 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
290 * hard-reg-set.h (reg_names): Now constant.
291 * regs.h (reg_names): Likewise.
292 * regclass.c (reg_names): Likewise.
293 * loop.h (basic-block.h): No longer include.
294 (bitmap.h): Now include.
295 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
296 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
297 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
299 2000-05-19 Jan Hubicka <jh@suse.cz>
300 Richard Henderson <rth@cygnus.com>
302 * basic-block.h (struct edge_def): New field "count".
303 (struct basic_block_def): Likewise.
304 * flow.c (entry_exit_blocks): Add count fileds.
305 (split_edge): Keep count information up-to-date.
306 (dump_edge_info, dump_flow_info): Dump count fields.
308 * final.c (count_instrumented_edges): Rename to edge from arc.
309 (end_final): Update users.
310 * profile.c: Include expr.h, basic-block.h.
311 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
312 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
313 (ignore_next_note, return_label_execution_count): Kill.
314 (bbg_file_name, da_file_name): Kill.
315 (edge_info, bb_info): New structures.
316 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
317 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
318 (total_num_edges_instrumented): Likewise.
319 (init_arc, expand_spanning_tree): Kill.
320 (fill_spanning_tree, tablejump_entry_p): Kill.
321 (instrument_edges): Rewrite from instrument_arcs to use
322 commit_edge_insertions infrastructure.
323 (compute_branch_probabilities): Remove arguments; rewrite for
324 CFG infrastructure; use rtl_dump_file directly.
325 (branch_prob, find_spanning_tree): Likewise.
326 (union_groups, find_group): New.
327 (init_branch_prob): Make bbg_file_name and da_file_name local.
328 (end_branch_prob): Use rtl_dump_file directly.
329 (init_edge_profiler): Rename to edge from arc.
330 (output_arc_profiler): Kill.
331 (gen_edge_profiler): New.
332 (output_func_start_profiler): Turn off profiling. Make the
333 constructor static when we can.
334 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
336 * toplev.c (DFI_flow): Remove.
337 (DFI_cfg, DFI_life): New.
338 (dump_file): Update accordingly.
339 (compile_file): Call end_branch_prob if profile_arc_flag too.
340 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
341 profiling after the CFG is built. Move flow1 life analysis to
342 DFI_life. Always estimate remaining probabilities.
344 2000-05-19 Richard Henderson <rth@cygnus.com>
346 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
348 * flow.c (make_edges): The sibling call edge to exit is abnormal.
350 2000-05-19 Richard Henderson <rth@cygnus.com>
352 * jump.c (redirect_jump): Add delete_unused argument. Don't
353 remove labels and code following when LABEL_NUSES goes to zero.
354 (invert_jump): Likewise.
355 (jump_optimize_1): Fix redirect/invert arguments.
356 (do_cross_jump, thread_jumps): Likewise.
357 * flow.c (split_edge): Likewise.
358 * reorg.c (optimize_skip): Likewise.
359 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
360 * profile.c (instrument_arcs): Likewise.
361 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
362 * rtl.h: Update prototypes.
364 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
366 * ssa.c (convert_from_ssa): Tell life_analysis we need death
368 (make_regs_equivalent_over_bad_edges): Only look at abnormal
371 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
373 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
374 past l1 when deleting whitespace and markers.
376 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
377 * cpplib.c (do_unassert): Put the list to compare against on
380 2000-05-19 Bruce Korb <bkorb@gnu.org>
382 * fixinc/README: cleaned up old documentation
383 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
384 * fixinc/check.tpl: compute the list of needed directories
385 emit "#if defined(name)" because of conflict
386 omit machine name differences from output differences
387 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
388 (machine_name): change test text to use `sed' markers
389 * fixinc/fixincl.x: regen
391 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
393 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
396 2000-05-18 Chris Demetriou <cgd@sibyte.com>
398 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
399 it to match the current practice.
401 2000-05-18 Mark Mitchell <mark@codesourcery.com>
403 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
405 2000-05-18 Richard Henderson <rth@cygnus.com>
407 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
408 * rtl.h (insn_dependant_p): Declare it.
409 * loop.c (strength_reduce): Use it.
411 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
413 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
414 16-bit and 64-bit clean-up.
416 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
418 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
419 * configure: Rebuilt.
421 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
423 * genopinit.c: Use $ for escape sequences in optab patterns.
424 Remove backslashes from optab patterns. Change $A, $B, $C to
425 expand to (int) whatever instead of just whatever; remove
426 explicit (int) from all optab patterns.
428 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
429 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
430 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
431 genrecog.c: Remove private copies of xmalloc, xrealloc, and
434 2000-05-18 Richard Henderson <rth@cygnus.com>
436 * jump.c (jump_optimize_1): Base minimum insn count during
437 find_cross_jump on BRANCH_COST.
439 2000-05-18 Jakub Jelinek <jakub@redhat.com>
441 * print-rtl.c (print_rtx): Only print note line number as string
442 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
443 * final.c (final_scan_insn): Do nothing for note line number 0.
445 2000-05-18 Jakub Jelinek <jakub@redhat.com>
447 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
448 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
449 NOTE_INSN_DELETED_LABEL.
451 2000-05-18 Nick Clifton <nickc@cygnus.com>
453 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
454 uninitialised data in .rodata not .bss, and do not interpret an
455 error in the initialisation value as meaning that the variable
456 should be placed in the .bss section.
458 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
460 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
461 not `$ac_cv_prog_cc_cc_c_o'.
462 * configure: Regenerated.
464 2000-05-18 Chris Demetriou <cgd@sibyte.com>
465 Richard Henderson <rth@cygnus.com>
467 * c-common.h (enum c_tree_index): Add g77 type entries.
468 (g77_integer_type_node, g77_uinteger_type_node): New.
469 (g77_longint_type_node, g77_ulongint_type_node): New.
470 * c-decl.c (init_decl_processing): Initialize them.
472 2000-05-18 Richard Henderson <rth@cygnus.com>
474 * config/h8300/h8300.md (subs patterns): Use %G to negate.
476 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
477 (small_power_of_two): Likewise; use exact_log2.
478 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
479 (output_adds_subs): Remove.
480 (two_insn_adds_subs_operand): New.
481 (split_adds_subs): New.
482 * config/h8300/h8300-protos.h: Update.
483 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
484 (CONST_OK_FOR_L): Match strict adds operands.
485 (CONST_OK_FOR_N): Match struct subs operands.
486 * config/h8300/h8300.md (adds_subs insns): Remove.
487 (addhi patterns): Output adds/subs directly.
488 (addsi_h8300h): Likewise.
489 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
491 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
493 * cppexp.c (parse_assertion): New.
494 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
495 (_cpp_parse_expr): Remove case '#'. Don't set
496 parsing_if_directive.
497 * cpphash.c (collect_objlike_expansion,
498 collect_funlike_expansion, collect_params,
499 _cpp_create_definition): The list no longer has a trailing
501 * cpphash.h (enum node_type): Add T_ASSERTION.
502 (struct hashnode): Remove aschain, add pred.
503 (struct predicate): New.
506 * cpplex.c (expand_token_space): Handle both offset and
508 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
509 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
510 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
511 _cpp_equiv_toklists): New.
512 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
513 stop at any single-character token, not just newline.
514 (_cpp_lex_token): Remove special cases for #define and #if.
515 (cpp_get_token): Expect # as a separate token type. Remove
517 (_cpp_get_directive_token): Remove DIRECTIVE case.
518 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
520 * cpplib.c (_cpp_check_directive): Set dirno and
521 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
522 (_cpp_handle_directive): Run # <number> through the same logic
523 as normal directives.
524 (do_define): Don't set parsing_define_directive. Use
525 _cpp_scan_until. The list does not have a VSPACE at the end.
526 (do_if): Save, clear, and restore only_seen_white around
528 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
529 (do_assert, do_unassert): Rewrite.
531 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
532 (LIST_OFFSET): New flag.
533 (struct cpp_toklist): Replace dir_handler and dir_flags with
535 (struct cpp_reader): Remove parsing_if_directive and
536 parsing_define_directive.
538 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
541 following the cabs decl which terminate on the following line.
542 Add the corresponding test_text case.
544 2000-05-18 Neil Booth <NeilB@earthling.net>
546 * cppinit.c (cpp_reader_init): Initialise col_adjust and
547 default tab stop size.
548 (no_num, OPT_ftabstop): New.
549 (handle_option): Handle "ftabstop=" command-line option.
550 (print_help): Document it.
551 * cpplex.c (COLUMN): Remove.
552 (handle_newline): Reset col_adjust.
553 (skip_whitespace): Update col_adjust as tabs encountered.
554 (_cpp_lex_line): Update to use col_adjust. Call
555 skip_whitespace for all whitespace.
556 * cpplib.h (struct cpp_options): New member tabstop.
557 (struct cpp_reader): New member col_adjust.
558 (CPP_BUF_COL): Update.
559 (CPP_BUF_COLUMN): New.
560 * cpp.texi: Document "-ftabstop=" command line option.
562 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
564 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
566 * configure: Rebuilt.
568 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
570 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
572 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
573 HOST_BITS_PER_WIDE_INT is >= 64.
575 2000-05-17 Richard Henderson <rth@cygnus.com>
577 * jump.c (jump_optimize_1): Remove inactive but real insns
578 in jump-to-next-insn optimization.
580 2000-05-17 Richard Henderson <rth@cygnus.com>
582 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
583 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
584 Don't call recompute_reg_usage if no_new_pseudos is true.
585 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
586 Return true if we did work; update global life information.
587 * basic-block.h (optimize_mode_switching): Update decl.
589 2000-05-17 Neil Booth <neilb@earthling.net>
591 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
593 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
595 * cpplib.c: New feature, #pragma system_header.
596 * cpp.texi: Document special treatment of system headers, and
597 the various mechanisms to get a header that special treatment.
599 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * system.h (offsetof): Define at the very end, to ensure we prefer
602 the platform's definition if available.
604 2000-05-16 Bruce Korb <bkorb@gnu.org>
606 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
607 * fixinc/server.c: likewise
608 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
609 + #ifdef debugging code + use #def constant for
611 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
612 on C++ math namespace
614 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
617 Don't check the return value of sprintf. Use asprintf to avoid
620 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
622 * flags.h (warn_unused_function, warn_unused_label,
623 warn_unused_parameter, warn_unused_variable, warn_unused_value):
624 Replace ``warn_unused''.
625 (set_Wunused): Add declaration.
626 * toplev.c (set_Wunused): New function.
627 (warn_unused_function, warn_unused_label, warn_unused_parameter,
628 warn_unused_variable, warn_unused_value): New variables.
629 (W_options): Add -Wunused-function, -Wunused-function,
630 -Wunused-label, -Wunused-parameter, -Wunused-variable and
631 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
633 * toplev.c (decode_W_option): Update -Wunused flags by calling
635 * c-decl.c (c_decode_option): Ditto for -Wall.
637 * stmt.c (expand_expr_stmt, expand_expr_stmt,
638 warn_about_unused_variables): Replace warn_unused with more
639 explicit warn_unused_value et.al.
640 * function.c (expand_function_end): Ditto.
641 * c-typeck.c (internal_build_compound_expr,
642 internal_build_compound_expr): Ditto.
643 * c-decl.c (poplevel, pop_label_level): Ditto.
644 * toplev.c (check_global_declarations): Replace warn_unused with
645 check for either warn_unused_function or warn_unused_variable.
647 * gcc.1, invoke.texi (Warning Options): Document
648 -Wunused-function, -Wunused-function, -Wunused-label,
649 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
651 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
653 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
654 $(srcdir), not in the current directory.
656 2000-05-16 Richard Henderson <rth@cygnus.com>
658 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
659 assembler supports it.
660 (.fini, .init): Use a gp-relative indirect call.
661 (__do_global_dtors_aux): Preserve the gp; rebundle.
662 (__do_frame_setup): Likewise.
663 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
664 (.init): Use a gp-relative indirect call.
665 (__do_global_ctors_aux): Preserve the gp.
667 2000-05-16 Richard Henderson <rth@cygnus.com>
669 * flow.c (commit_one_edge_insertion): Be prepared for a return
670 insn to be inserted on the edge with a normal jump.
671 * jump.c (jump_optimize_1): Don't look to create return isns.
673 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
674 * jump.c (jump_optimize_1): Likewise.
675 (returnjump_p): Verify the argument is a JUMP_INSN.
676 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
678 2000-05-16 Nick Clifton <nickc@cygnus.com>
680 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
681 GET_RTX_CLASS (GET_CODE ()) == 'i'.
682 (large_insn_p): Ditto.
683 (m32r_is_insn): New function: Return true if the insn contains
684 an executable instruction.
685 (m32r_adjust_insn): Use m32r_is_insn.
686 (m32r_sched_reorder): Use m32r_is_insn.
687 (m32r_sched_variable_issue): Use m32r_is_insn.
689 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
691 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
694 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
696 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
697 according to given options.
699 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
701 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
702 if X has VOIDmode either.
703 (LIMIT_RELOAD_CLASS): Similarly.
705 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
706 not "general_operand" to match the processor's capabilities.
708 2000-05-16 Bruce Korb <bkorb@gnu.org>
710 * fixinc/README: corrected return address
711 * fixinc/check.diff: regenerate, now that test works
712 * fixinc/fixfixes.c(format_fix,format_write): reformatted
713 (char_macro_def_fix,char_macro_use_fix): corrected and
714 rewrote to use regex to parse the text
715 * fixinc/inclhack.def: more testing
716 * fixinc/fixincl.x: regenerated
718 * fixinc/inclhack.def: added several "test_text" attributes
719 changed several fixes to use `c_fix = format'
720 re-alphabetized the fixes
722 * fixinc/check.diff: regenerate
723 * fixinc/fixincl.x: regenerate
724 * fixinc/check.tpl: added `sparc' and `netinet' to the list
728 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
730 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
732 2000-05-15 Richard Henderson <rth@cygnus.com>
734 * toplev.c (rest_of_compilation): Run full jump pass before
735 find_basic_blocks of flow2.
737 2000-05-15 Richard Henderson <rth@cygnus.com>
739 * jump.c: Fix typos and clarify commentary from last change.
740 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
741 (safe_to_remove_jump_p): Remove.
742 (condjump_label): Use pc_set.
744 2000-05-15 Richard Henderson <rth@cygnus.com>
746 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
747 that get in the way after reload.
748 (cond_exec_process_if_block): Skip a label heading THEN block.
750 2000-05-15 Richard Henderson <rth@cygnus.com>
752 * varasm.c (output_constant_pool): Abort instead of converting
753 (improperly) deleted labels to zero.
755 2000-05-16 Neil Booth <NeilB@earthling.net>
757 * cpplex.c (parse_string2): Update comment.
758 (cpp_lex_line): No special assertion treatment for '('.
759 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
760 * cpplib.h (SYNTAX_ASSERT): Remove.
762 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
764 * jump.c (condjump_p): Mark as depreached.
765 (any_condump_p): New.
766 (any_uncondump_p): New.
768 (safe_to_remove_jump_p): New.
769 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
770 safe_to_remove_jump_p): Declare.
772 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
774 * calls.c: Re-install both patches reverted by last patch.
775 (struct arg_data): New field tail_call_reg.
776 (initialize_argument_information): Initialize tail_call_reg
777 (load_register_parameters): New argument flags, use
778 tail_call_reg when emiting tail call sequence.
779 (expand_call): Update call of load_register_parameters;
780 copy unadjusted_args_size to adjusted_args_size.
782 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
784 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
785 and bct_p parameters to flags.
786 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
787 * rtl.h (loop_optimize): Update prototype.
788 * toplev.c (rest_of_compilation): Update call of loop_optimize.
790 2000-05-15 Jakub Jelinek <jakub@redhat.com>
792 * calls.c (expand_call): Move expand_start_target_temps call after
795 2000-05-15 Neil Booth <NeilB@earthling.net>
797 * cpphash.c (trad_stringify, warn_trad_stringify,
798 collect_params): Make some pointers pointers to const.
799 * cpplex.c (auto_expand_name_space) Guaranteed to always
800 expand by at least one character.
801 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
802 (struct token_spelling): Use const U_CHAR * rather than PTR.
803 (expand_name_space): Fix up token pointers if name space
804 is moved when expanding.
805 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
806 parse_string2, save_comment, spell_token, cpp_output_list):
807 Update so the routines handle tokens with a direct pointer to
808 their text, rather than an offset into the token's list's namebuf.
809 (_cpp_lex_line): Rearrange for clarity.
811 * cpplib.c (_cpp_check_directive): Similarly.
812 (do_define): Make SYM a pointer to const.
813 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
814 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
815 (TOK_OFFSET): Delete.
818 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
820 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
823 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
825 (logical_u_operand): Delete.
826 (non_logical_cint_operand): Rewrite to take MODE into account.
827 (non_logical_u_cint_operand): Delete.
828 (boolean_operator): New function.
829 (print_operand): Add new %q operand.
830 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
831 remove logical_u_operand and non_logical_u_cint_operand,
832 update logical_operand and non_logical_cint_operand.
833 * config/rs6000/rs6000.md: Rewrite the patterns for performing
834 logical operations to use %q.
836 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
837 (movdi): Make similar to movsi.
838 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
839 is no such thing as a DImode CONST_DOUBLE.
840 * config/rs6000/rs6000.c (output_toc): Likewise.
842 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
843 codes when old mnemonics are in use. Print register names
844 for cc registers when requested.
846 * optabs.c (expand_float): Don't allow mode widening that causes
849 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
850 flags to their current names -maix64 and -maix32.
852 2000-05-14 Bruce Korb <bkorb@gnu.org>
854 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
855 and/or after current text of file
856 * fixinc/fixlib.c(must_malloc):
857 * fixinc/fixlib.h(must_malloc): + reformatting
858 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
859 with usages of ``c_fix = wrap;''
860 Add several tests and use the ``c_fix = format'' fixer more.
861 * fixinc/fixincl.x: regen
862 * fixinc/check.diff: regen
863 * fixinc/check.tpl: emit the associated header with the missing
866 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
868 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
869 variables $src and $dst.
871 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
873 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
874 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
875 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
876 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
878 (set_message_prefixing_rule): Declare.
880 * diagnostic.c: (current_prefixing_rule): New variable.
881 (set_message_prefixing_rule): Define.
882 (output_set_prefix): Adjust buffer->emitted_prefix_p.
883 (init_output_buffer): Adjust Initialization.
884 (output_emit_prefix): Rewrite. Take prefixing rules into account.
886 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
888 * ifcvt.c (if_convert): Do not free NULL.
890 2000-05-12 Nick Clifton <nickc@cygnus.com>
892 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
893 to move a double word value.
894 (di_operand): New function: Return true if the operand is suitbale
895 for a double word move operation.
896 (nonimmediate_di_operand): New function: Return true if the
897 operand is a DImode register or MEM.
899 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
900 nonimmediate_di_operand.
902 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
903 nonimmediate_di_operand.
905 * config/fr30/fr30.md (movdi): New pattern. Required because
906 other patterns generate DImode results.
907 (movdi_insn): New pattern.
909 2000-05-12 Richard Henderson <rth@cygnus.com>
911 * config/alpha/alpha.c (struct shadow_summary): Define
912 bitfields as type unsigned int.
914 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
916 * config/avr/t-avr: Added definition of FLOAT while generates
919 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
920 peepholes for tst+jump = sbrs/sbrc optimization.
922 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
924 * expr.c (emit_push_insn): Do not adjust stack pointer when
927 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
929 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
930 * system.h (offsetof): ... to here.
932 2000-05-12 Richard Henderson <rth@cygnus.com>
934 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
935 * final.c (final_end_function): Use app_disable. Rearrange note
936 handling into a switch. Emit deleted labels.
937 (output_asm_label): Generate label strings for deleted labels.
938 * flow.c (tail_recursion_label_list): New.
939 (find_basic_blocks_1): Set label_value_list directly. Collect list
940 of tail recursion labels from call_placeholders. Don't add deleted
941 labels to the label value list.
942 (cleanup_cfg): Use free_EXPR_LIST_list.
943 (flow_delete_insn_chain): Turn non-removable labels into notes.
944 (flow_delete_block): Don't disable deleting the block because of
945 a non-removable label.
946 (tail_recursion_label_p): New.
947 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
949 (merge_blocks_move_successor_nojumps): Likewise. Also move a
951 (merge_blocks): Disable a merge because of tail recursion labels.
952 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
953 Use a more accurate measure of not merging the join block.
954 (find_if_block): Don't disable conversion because of a label.
955 (find_if_case_1, find_if_case_2): Likewise.
956 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
957 element when copying.
958 (squeeze_notes): Also leave EH notes.
959 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
961 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
963 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
964 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
965 referring to a deleted label. Convert tail handling to a switch.
966 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
967 for NOTE_INSN_DELETED_LABEL.
968 (NOTE): Fix commentary.
969 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
970 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
971 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
972 (LABEL_NUSES, LABEL_REFS): Likewise.
973 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
975 2000-05-12 Bruce Korb <bkorb@gnu.org>
977 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
978 * fixinc/check.diff: updated
979 * fixinc/inclhack.def: corrected & added some test_text-s
980 * fixinc/genfixes: removed unneeded options to autogen invocation
981 * fixinc/fixincl.tpl: Specified the output file
982 * fixinc/fixfixes.c: visual appearance
983 * fixinc/fixincl.x: regenerate
985 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
987 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
988 CTRL_defn_fix): Delete.
989 (fix_char_macro_defines, fix_char_macro_uses): Rename to
990 char_macro_def_fix and char_macro_use_fix, respectively. Put
991 them into the FIXUP_TABLE. Get the string to search for from
994 (format_write): New function.
995 (format_fix): Use it.
997 (FIX_PROC_HEAD): Constify text parameter.
998 (machine_name_fix): Constify all char *s.
999 * fixtests.c (skip_quote): Remove double static.
1001 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1002 ctrl_use_quotes): Update for new scheme.
1003 * fixincl.x: Regenerate.
1005 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1007 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1009 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1010 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1012 2000-05-11 Robert Lipe <robertlipe@usa.net>
1014 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1015 * fixincl.x: Regenerate.
1017 2000-05-11 Richard Henderson <rth@cygnus.com>
1019 * calls.c: Revert both 05-09 patches.
1021 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1023 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1025 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1028 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1029 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1031 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1033 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1035 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1037 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1039 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1041 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1042 * config/avr/avr.c (jump_over_one_insn_p): New function.
1043 * config/avr/avr.md: New peepholes added. Output test and
1044 conditional jump to "sbrc" or "sbrs" command.
1046 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1048 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1050 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1052 * except.c (find_exception_handler_labels_1): New function.
1053 (find_exception_handler_labels): Split into two functions, dive
1054 into CALL_PLACEHOLDERs when looking for exception handler labels.
1056 2000-05-11 Stan Cox <scox@cygnus.com>
1058 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1059 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1060 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1062 2000-05-11 Bruce Korb <bkorb@gnu.org>
1064 * fixinc/fixfixes.c (double_slash_fix): obsolete
1065 (else_endif_label_fix): obsolete
1066 (format_fix): new, unused as yet
1068 * fixinc/fixlib.h: added fix description struct for use by format_fix
1069 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1070 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1071 modules. Removed the vestiges of the script version.
1072 Added support for "make check".
1073 * fixinc/check.diff: base diff file (needs work!!)
1074 * fixinc/check.tpl: quiet the fixup output
1075 * fixinc/fixtests.c (main): obsolete
1076 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1077 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1079 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1081 * toplev.c (rest_of_compilation): Remove dead code after
1084 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1086 * cpphash.c (collect_funlike_expansion): Make "# is not
1087 followed by a macro argument name" a pedwarn, not an error.
1088 Preserve the # in the output. Suppress the warning if lang_asm.
1090 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1092 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1093 * configure: Rebuilt.
1095 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1097 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1099 2000-05-10 Kazu Hirata <kazu@hxi.com>
1101 * combine.c (try_combine): Fix a typo.
1103 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1105 * config/ia64/ia64.md (insv): Add comment.
1107 2000-05-10 Richard Henderson <rth@cygnus.com>
1109 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1110 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1111 dependancies on FPBIT and DPBIT.
1113 2000-05-10 Nick Clifton <nickc@redhat.com>
1115 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1116 when optimising for size.
1117 (mark_used_regs:) Ditto.
1118 (try_pre_increment_1): Ditto.
1120 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1122 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1123 Make error message friendlier.
1125 * cpphash.h (struct hashnode): Use struct hack for name
1127 * cpphash.c (struct hashdummy): New.
1128 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1129 (make_HASHNODE): No need to set ->name pointer. Correct
1131 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1133 2000-05-10 Richard Henderson <rth@cygnus.com>
1135 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1138 2000-05-10 Bruce Korb <bkorb@gnu.org>
1140 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1142 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1144 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1145 after we enter .debug.
1147 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1149 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1150 abstract instance of a nested inline function.
1152 * stor-layout.c (finish_record_layout): finalize_type_size
1153 before laying out the pending_statics.
1155 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1157 * cpplex.c (spell_token): New function.
1158 (spell_string, spell_comment, spell_name): fold into
1161 (E, H): Remove macros.
1162 (save_comment): Save comment opening characters too.
1163 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1165 * cpplib.h (I, S): Add macros.
1166 (E, H): Remove macros.
1167 (TTYPE_TABLE): Update entries for new speller.
1168 (SYNTAX_ASSERT): Remove.
1170 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1172 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1173 when removing escaped newlines. Reverse sense of test for
1176 2000-05-09 Richard Henderson <rth@cygnus.com>
1178 * flow.c (find_basic_blocks_1): Do not delete the first
1179 bb_note we run across.
1180 (create_basic_block): Use reorder_insns to move an existing
1181 bb_note to the correct place.
1183 2000-05-09 Richard Henderson <rth@cygnus.com>
1185 * calls.c (expand_call): Increment currently_expanding_call
1186 before calling optimize_tail_recursion.
1188 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1190 * reload1.c (reload_combine): Fix errors in last change.
1192 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1194 * gcc.c (used_arg): Skip over a semicolon at the end of the
1195 split-up loop; don't break out of it.
1197 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1198 (tree.o): Depend on output.h.
1200 * c-decl.c (pending_invalid_xref_file,
1201 current_function_prototype_file): Constify.
1202 (pushdecl): Constify a local char *.
1203 (define_label): Constify filename parameter.
1204 * c-lex.c (init_parse): Constify parameter and return value.
1205 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1206 * c-tree.h: Update prototypes.
1207 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1208 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1209 objc/objc-parse.c: Regenerate.
1211 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1212 * dwarfout.h: Update prototypes.
1213 * expr.c (expand_expr): Constify a local char *.
1214 * flags.h: Constify main_input_filename.
1215 * function.c (expand_function_end): Constify filename parameter.
1216 * genrecog.c (make_insn_sequence): Use a character array for
1218 (main): Remove unused variables.
1219 * input.h: Constify input_filename, main_input_filename, and
1220 file_stack.name. Update prototypes.
1221 * output.h: Declare first_global_object_name and
1222 weak_global_object_name here, as const char *.
1223 * stmt.c (expand_asm_operands): Constify filename parameter.
1224 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1225 Constify filename parameter.
1226 (input_filename, main_input_filename): Constify.
1227 * toplev.h: Update prototypes.
1228 * tree.c: Include output.h. Don't declare
1229 first_global_object_name or weak_global_object_name. Clean up string
1230 bashing in get_file_function_name_long.
1231 * tree.h (struct tree_decl): Constify filename member.
1232 (input_filename): Constify.
1234 * varasm.c (first_global_object_name, weak_global_object_name):
1236 (assemble_start_function, assemble_variable): Clean up string bashing.
1238 * gcc.c: Constify all spec-related strings initialized,
1239 transitively, from string constants. Constify all strings
1240 and string variables related to multilibs.
1241 (set_spec, read_specs): Cast argument to free to PTR.
1242 (used_arg): Do not modify multilib_matches. Use strncmp plus
1243 length comparison to compare multilib switches.
1244 * genmultilib: Constify everything declared in multilib.h.
1246 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1248 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1251 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1253 * config/avr/avr-protos.h (extra_constraint): change a type of
1254 second argument from char to int to avoid warnings.
1255 (asm_output_byte): Likewise.
1257 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1258 (initial_elimination_offset): Handle elimination from
1259 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1260 (legitimate_address_p): Use MAX_LD_OFFSET.
1261 (legitimize_address): Likewise.
1262 (out_movqi_r_mr): Likewise.
1263 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1264 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1265 (out_movsi_mr_r): Likewise.
1266 (out_movqi_mr_r): Likewise.
1267 (out_movhi_mr_r): Likewise.
1268 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1269 count as CONST_INT != 6.
1270 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1271 shift count is a CONSTANT_P, but not a CONST_INT.
1272 (ashlhi3_out): Coding style modifications.
1273 (ashlsi3_out): Likewise.
1274 (ashrhi3_out): Likewise.
1275 (ashrsi3_out): Likewise.
1276 (lshrhi3_out): Likewise.
1277 (lshrsi3_out): Likewise.
1278 (ashrqi3_out): Generate shift for any known constant count without
1279 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1280 but not a CONST_INT.
1281 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1282 shift count is a CONSTANT_P, but not a CONST_INT.
1283 (extra_constraint): change a type of
1284 second argument from char to int to avoid warnings.
1285 (asm_output_byte): Likewise.
1286 (asm_file_end): Output size generated commands count as a hex
1289 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1291 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1293 (ashlqi3): Values of "length" attribute changed. Shift count
1294 uses constraints 'n' instead of 'i'.
1295 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1296 shifts without clobber register.
1297 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1298 (call_insn): Correct test for which_alternative == 1 (was 0).
1299 (call_value_insn): Likewise.
1301 * config/avr/t-avr: Remove definition of FLOAT while generates
1304 2000-05-09 Bruce Korb <bkorb@gnu.org>
1306 * fixinc/check.tpl: Template for checking fixes
1307 * fixinc/inclhack.def: Added 'test_text' for many fixes
1308 disable hpux8_bogus_inlines on SCO
1309 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1311 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1313 * calls.c (expand_call): Reorganize somewhat in order
1314 to avoid unnecesary recalculation inside loop and make
1315 tail call failure code cleaner.
1317 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1319 * alias.c (nonlocal_reference_p): Minor reformatting.
1320 * reload.c (find_equiv_reg): Simplify logic for
1321 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1322 some some reformatting.
1323 * reload1.c (reload_combine): Don't assume everything in
1324 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1326 2000-05-08 Richard Henderson <rth@cygnus.com>
1328 * final.c (current_insn_predicate): New.
1329 (final_scan_insn): Set it.
1330 * output.h (current_insn_predicate): Declare.
1332 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1333 Attach it to call insns.
1334 (cond_exec_process_if_block): Track probability for true and
1336 (dead_or_predicable): Likewise.
1338 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1339 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1340 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1341 (estimate_probability, expected_value_to_br_prob): Use them.
1343 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1344 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1345 (ia64_expand_prediction): New.
1346 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1347 as needed after calls.
1348 (ia64_epilogue_uses): Mark b0 used.
1349 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1350 (bne_true, bne_false): Remove.
1351 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1352 (br_true, br_false): New. Use predicate_operator and
1353 ia64_expand_prediction.
1354 (return_true, return_false): Likewise.
1355 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1356 (call_internal1, call_value_internal): Likewise.
1357 (call_value_internal1, call_multiple_values_internal1): Likewise.
1359 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1361 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1363 2000-05-08 Richard Henderson <rth@cygnus.com>
1365 * rtlanal.c (may_trap_p): Consider old-style and volatile
1368 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1370 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1372 2000-05-08 Richard Henderson <rth@cygnus.com>
1374 * config/ia64/ia64.h (predicate_operator): Declare.
1376 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1379 * gensupport.c (process_rtx): Copy and post-process each member
1380 of the define_insn rtvec individually.
1382 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1384 * cpplex.c (spell_token): New function.
1385 (TOKEN_LEN): Add 1 for whitespace.
1386 (_cpp_lex_file): Update to use spell_token.
1387 * cpplib.h (E): Remove.
1388 (TTYPE_TABLE): Update CPP_VSPACE entry.
1390 2000-05-08 Richard Henderson <rth@cygnus.com>
1392 * flow.c (init_propagate_block_info): Watch out for conditional
1393 branch to next instruction, and thus one outgoing edge.
1395 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1396 for global register variables; don't special case __[CD]TOR_LIST__;
1397 mind ggc_p for string allocation.
1399 2000-05-08 Nick Clifton <nickc@cygnus.com>
1401 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1403 2000-05-08 Bruce Korb <bkorb@gnu.org>
1405 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1406 i?86-*-msdosdjgpp* no longer uses fixincludes
1407 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1408 * fixinc/inclhack.sh: deleted
1409 * fixinc/hackshell.tpl: deleted
1410 * fixinc/inclhack.tpl: deleted
1411 * fixinc/Makefile.in: Remove dependencies on above
1412 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1414 2000-05-08 Andreas Jaeger <aj@suse.de>
1416 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1419 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1421 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1424 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1426 * cpplex.c: Move new lexer definitions and prototypes
1427 to top. Conditional include these and the code if
1428 NEW_LEXER is defined. Rename functions whose names
1429 clash if this code included.
1431 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1433 * rtl.def (COND_EXEC): Clarify.
1435 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1436 same fashion as zero_extendsidi2.
1438 2000-05-06 Richard Henderson <rth@cygnus.com>
1440 * config/ia64/ia64.c (predicate_operator): New.
1441 (ia64_print_operand): Handle 'J'.
1442 (rtx_needs_barrier): Handle COND_EXEC.
1443 * config/ia64/ia64.h (BRANCH_COST): Define.
1444 (PREDICATE_CODES): Update.
1445 * config/ia64/ia64.md: Docuement used unspec values.
1446 (attr predicable): New.
1447 (movxf, movxf_internal): New.
1448 (extendsfdf2): Don't comment out nop.
1449 (floatdidf2): Remove.
1450 (truncxfsf2, truncxfdf2, floatdixf2): New.
1451 (abssi2, absdi2): Put the neg in the "true" slot.
1452 (conditional branch instructions): Mark not predicable.
1453 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1454 (abs*_internal): Likewise.
1455 (alloc, set_bsp): Mark not predicable.
1456 (barrier, insn_group_barrier, flush_cache): Likewise.
1457 (define_cond_exec): New.
1459 2000-05-06 Richard Henderson <rth@cygnus.com>
1461 * c-decl.c: Include "tm_p.h".
1463 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1464 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1465 (ia64_expand_op_and_fetch): Declare.
1466 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1467 (setjmp_operand): Constify variables for XSTR.
1468 (ia64_encode_section_info): Likewise.
1469 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1471 (ia64_asm_output_external): Constify name.
1472 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1473 (process_for_unwind_directive): Provide switch default.
1474 (ia64_expand_compare_and_swap): Remove unused variables.
1475 (ia64_expand_builtin): Likewise.
1476 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1479 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1480 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1481 (shift_count_operand, shift_32bit_count_operand): Likewise.
1482 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1483 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1484 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1485 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1486 (ia64_expand_builtin): Likewise.
1487 (call_multiple_values_operation): Make dest_regno unsigned.
1489 2000-05-06 Richard Henderson <rth@cygnus.com>
1491 * rtl.def (DEFINE_COND_EXEC): New.
1492 * md.texi: Document it.
1494 * gensupport.c (input_file): Remove.
1495 (struct queue_elem): Add lineno.
1496 (rtx_ready_queue): Remove.
1498 (predicable_default): New.
1499 (predicable_true, predicable_false): New.
1500 (define_attr_queue, define_attr_tail): New.
1501 (define_insn_queue, define_insn_tail): New.
1502 (define_cond_exec_queue, define_cond_exec_tail): New.
1503 (other_queue, other_tail): New.
1504 (queue_pattern): New.
1505 (process_rtx): Add patterns to the appropriate queues.
1506 (is_predicable, identify_predicable_attribute): New.
1507 (n_alternatives, collect_insn_data): New.
1508 (alter_predicate_for_insn, alter_test_for_insn): New.
1509 (shift_output_template, alter_output_for_insn): New.
1510 (process_one_cond_exec, process_define_cond_exec): New.
1511 (init_md_reader): Read the entire file. Process define_cond_exec.
1512 (read_md_rtx): Return elements from the queues.
1514 2000-05-06 Richard Henderson <rth@cygnus.com>
1516 * flow.c (mark_set_1): Don't update conditional life info
1517 if the register is not_dead.
1519 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1521 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1522 (mostlyclean): Also delete fixincl, fixinc.sh, and
1523 specs.ready, and make clean in the fixinc subdir.
1525 2000-05-06 Richard Henderson <rth@cygnus.com>
1527 * Makefile.in (gensupport.o): Compile for the host.
1528 (host-prefix gensuuprt.o): Remove.
1529 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1530 (genattrtab.o): Likewise.
1531 (gencodes.o): Depend on gensupport.h.
1532 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1533 (genpeep.o, genattr.o, genoutput.o): Likewise.
1535 * gensupport.c (obstack, rtl_obstack): New.
1536 (init_md_reader): Initialize rtl_obstack.
1537 * gensupport.h (rtl_obstack): Declare.
1538 (message_with_line): Declare.
1540 * genattr.c: Remove all traces of obstack manipulation.
1541 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1542 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1544 * genattrtab.c (obstack, rtl_obstack): Remove.
1545 (main): Don't init rtl_obstack.
1546 * genflags.c: Likewise.
1548 * genrecog.c (message_with_line): Move ...
1549 * gensupport.c: ... here.
1551 2000-05-06 Richard Henderson <rth@cygnus.com>
1553 * c-typeck.c (build_c_cast): Remove dead code.
1555 2000-05-06 Richard Henderson <rth@cygnus.com>
1557 * flow.c (split_edge): Don't allocate global_live_at_start for
1558 the new block unless the old blocks had them as well.
1560 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1562 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1563 test_bb if a or b uses x.
1565 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1567 * cpphash.h: Remove conditional #define of __extension__.
1568 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1569 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1570 (ENABLE_RTL_CHECKING only).
1571 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1572 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1573 (ENABLE_TREE_CHECKING only).
1574 * varray.h: Add __extension__ to VARRAY_CHECK macro
1575 (ENABLE_CHECKING only).
1577 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1579 Use new tail-calling mechanism on ARM.
1580 * arm.md (sibcall, sibcall_value): New expands.
1581 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1582 (tailcalling peepholes): Delete.
1583 (push_multi): Simplify.
1584 * arm.c (lr_save_eliminated): Delete definition.
1585 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1586 (output_return_instruction): Remove checks on lr_save_eliminated.
1587 (output_arm_prologue): Remove old tail-calling code.
1588 (arm_output_epilogue): New parameter, really_return. All callers
1589 changed. Handle tail-calling epilogues.
1590 * arm.h (lr_save_eliminated): Delete declaration.
1591 (frame_pointer_needed): Delete declaration.
1592 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1594 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1596 * arm.c (thumb_code): Define it.
1597 (arm_override_options): Set it.
1598 * arm.h (thumb_code): Declare it.
1600 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1602 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1604 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1606 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1607 bogus clobber to insns.
1608 (load_multiple_operation, store_mulitple_operation): Don't check
1610 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1612 * arm.md (and_scc, ior_scc): Add missing mode.
1614 * arm.md (call_value_symbol): Remove predicate from op2.
1616 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1618 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1620 * expr.c (get_subtarget): New function.
1621 (force_operand, expand_expr, do_store_flag): Use it.
1623 * toplev.c (compile_file): Don't take strlen of NAME if null.
1625 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1627 * xcoffout.c (xcoff_current_include_file,
1628 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1629 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1631 (xcoffout_declare_function): Make name 'const char *'.
1632 (xcoffout_end_epilogue): Make fname 'const char *'
1633 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1634 xcoffout_declare_function, xcoffout_source_line): Match above.
1636 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1638 * rs6000.c (print_operand): Fix lossage typo.
1639 (output_cbranch): Remove "cr" decoration for now.
1640 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1642 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1644 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1647 2000-05-05 Bruce Korb <bkorb@gnu.org>
1649 * fixinc/genfixes: Improve the matching for make target names
1651 2000-05-05 Catherine Moore <clm@cygnus.com>
1653 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1654 attribute to the decl.
1655 * c-decl.c (pushdecl): Propagate the USED attribute to the
1658 2000-05-05 Richard Henderson <rth@cygnus.com>
1660 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1661 same way emit_group_load does.
1663 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1665 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1667 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1670 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1672 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1674 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1676 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1677 to support -shared, on platforms with dynamic libraries.
1679 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1681 * system.h (S_ISBLK): Provide fallback definition.
1683 2000-05-05 Geoff Berry <geoffb@bops.com>
1685 * extend.texi (Extended Asm): Document inability to give asm
1686 statements access to condition codes.
1688 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1690 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1691 as arg 2 of UNIQUE_SECTION.
1693 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1695 * predict.c: Remove May 4 change.
1696 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1697 if we have predicted the branch at 50-50 probability.
1699 2000-05-05 Richard Henderson <rth@cygnus.com>
1701 * flow.c (init_propagate_block_info): Fix merge error
1702 in HAVE_conditional_execution code.
1704 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1706 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1707 shift cycle for unknown shift count. Also generates dec + brpl.
1708 (ashlqi3_out): Don't generate dec + brpl which now generates by
1709 `out_shift_with_cnt'.
1710 (ashlhi3_out): Likewise.
1711 (ashlsi3_out): Likewise.
1712 (ashrqi3_out): Likewise.
1713 (ashrhi3_out): Likewise.
1714 (ashrsi3_out): Likewise.
1715 (lshrqi3_out): Likewise.
1716 (lshrhi3_out): Likewise.
1717 (lshrsi3_out): Likewise.
1719 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1721 * gcc.c (free_split_directories): Correct typo in explanation
1722 of make_relative_prefix.
1724 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1726 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1727 comparison codes to branch_comparison_operator.
1729 2000-05-04 Richard Henderson <rth@cygnus.com>
1731 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1733 2000-05-04 Richard Henderson <rth@cygnus.com>
1735 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1736 (DPBIT_FUNCS): Remove _sf_to_usi.
1737 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1739 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1740 between condition and jump.
1742 * libgcc2.c (near eh_context_specific): Comment #endif string.
1743 * longlong.h: Don't use strings with embedded newlines.
1745 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1747 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1748 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1749 (print_operand): Delete %t and %T codes.
1750 (output_cbranch): New function. Support branch prediction.
1751 * config/rs6000/rs6000.md: Use output_cbranch for
1752 conditional branches and returns.
1754 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1756 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1757 * stor-layout.c (place_field): Likewise.
1758 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1759 * expr.c (store_expr): Make align unsigned.
1760 * explow.c (plus_constant_wide): Make low words unsigned.
1761 * expmed.c (choose_multiplier): Likewise.
1762 * fold-const.c (fold): Likewise.
1763 * tree.h (build_int_2): Likewise.
1764 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1765 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1766 (init_emit): Change cast to unsigned char*.
1767 * varasm.c (compare_constant_1): Add cast to char*.
1768 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1769 * reload1.c (reload): Likewise.
1771 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1773 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1775 * predict.c (estimate_probability): If no prediction was found, then
1776 predict the successor that is the next physical block (if such a
1779 2000-05-04 Richard Henderson <rth@cygnus.com>
1781 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1783 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1787 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1789 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1790 attribute macros from here ...
1791 (CPP_SPEC): to here.
1792 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1793 (CPP_SPEC): Likewise.
1794 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1796 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1797 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1799 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1801 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1803 * diagnostic (vbuild_message_string, build_message_string,
1804 build_location_prefix, output_get_prefix, init_output_buffer,
1805 output_notice, vline_wrapper_message_with_location,
1806 v_message_with_decl, default_print_error_function): De-constify.
1807 (set_real_maximum_length): Prototype.
1809 * diagnostic.h (struct output_buffer, init_output_buffer,
1810 output_get_prefix, output_set_prefix): De-constify.
1812 * function.c (init_function_start): Constify.
1814 * gensupport.c (remove_constraints, process_rtx): Prototype.
1816 * gthr-posix.h: Indent uses of #pragma.
1818 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1821 * predict.c (find_expected_value): Delete prototype.
1822 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1824 * sbitmap.h (debug_sbitmap): Prototype.
1826 * ssa.c (compute_coalesced_reg_partition): Prototype.
1828 * stor-layout.c (debug_rli): Prototype.
1830 * tree.h (round_down): Prototype.
1831 (init_function_start): Constify.
1833 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1835 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1836 (overly conservative). Change extern inline wrappers to
1837 static inline, define them always, use PARAMS properly.
1838 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1839 whitespace warnings for \f and \v at the beginning of a line.
1841 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1843 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1846 2000-05-04 Bruce Korb <bkorb@gnu.org>
1848 * fixincl/inclhack.def: added broken_cabs -
1849 Remove `extern double cabs' declarations from math.h
1850 * fixincl/inclhack.sh: regen
1851 * fixincl/fixincl.x: regen
1852 * fixincl/fixincl.c: Remove BOGOSITY code
1853 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1855 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1857 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1859 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1860 when calling MEM_COPY_ATTRIBUTES.
1861 * emit-rtl.c (operand_subword, change_address): Likewise.
1862 * explow.c (stabilize): Likewise.
1863 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1864 * integrate.c (copy_rtx_and_substitute): Likewise.
1865 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1866 when calling MEM_COPY_ATTRIBUTES.
1867 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1869 * cse.c (gen_lowpart_if_possible): Likewise.
1870 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1871 * optabs.c (gen_move_insn): Likewise.
1872 * recog.c (validate_replace_rtx_1): Likewise.
1873 * simplify-rtx.c (add_mem_for_addr): Likewise.
1874 * stmt.c (expand_anon_union_decl): Likewise.
1875 * config/arm/arm.md: Likewise.
1876 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1877 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1878 (block_move_no_loop, block_move_sequence): Likewise.
1879 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1880 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1881 Clear MEM_ALIAS_SET.
1882 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1883 MEM_COPY_ATTRIBUTES.
1885 2000-05-03 Robert Lipe <robertlipe@usa.net>
1887 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1888 to suppress libgcc1.
1889 (i[34567]86-*-sco3.2v5*) Likewise.
1890 (i[34567]86-*-sco3.2v4*) Likewise.
1891 (i[34567]86-*-sco) Likewise.
1892 (i[34567]86-*-solaris2) Likewise.
1893 (i[34567]86-*-sysv5*) Likewise.
1894 (i[34567]86-*-sysv4*) Likewise.
1895 (i[34567]86-*-udk*) Likewise.
1896 (i[34567]86-*-sysv*) Likewise.
1898 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1900 * cpphash.h (U): New define, to correct type of string constants.
1901 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1902 routines, to do casts when passing unsigned strings to libc.
1903 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1905 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1906 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1907 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1908 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1909 second argument an U_CHAR *.
1911 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1912 length field, clean up initializer.
1913 (ISTABLE): Add __extension__ to designated-
1914 initializers version.
1915 * cpplex.c (CHARTAB): Likewise.
1917 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1918 case so the file won't be empty.
1920 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1922 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1923 (REORDER_BLOCK_SUCC): Removed.
1924 (enum reorder_skip_type): Removed.
1925 (skip_insns_between_block): Renamed to skip_insns_after_block.
1926 Removed second argument. Removed dead code and cleaned up.
1927 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1928 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1929 second parameter to skip_insns_after_block.
1931 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * tree.c (staticp, case LABEL_DECL): New case.
1935 2000-05-03 Richard Henderson <rth@cygnus.com>
1937 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1939 * mklibgcc1.in: Fix typo last change.
1941 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1943 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1944 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1945 (GCC_CFLAGS): Use it.
1946 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1947 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1948 objc/Make-lang.in: Use it.
1950 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1952 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1954 2000-05-03 Richard Henderson <rth@cygnus.com>
1956 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1957 LIBGCC1 empty with libgcc1.null.
1959 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1961 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1964 2000-05-03 Greg McGary <gkm@gnu.org>
1966 * tree.h (tree_common): Add bounded_flag member. Remove
1967 inaccurate comment about number of remaining bits.
1968 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1969 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1970 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1971 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1972 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1973 (TYPE_QUAL_BOUNDED): New constant.
1974 (TYPE_QUALS): Handle bounded qualifier.
1975 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1976 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1977 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1978 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1979 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1980 (tree_type): Add pointer_depth member. Remove
1981 inaccurate comment about number of remaining bits.
1982 (DECL_POINTER_DEPTH): Add macro.
1983 (tree_decl): Add pointer_depth member.
1985 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1987 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1988 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1989 (lshrhi3_out): Likewise.
1990 (ashrsi3_out): bugfix in shift by 8.
1991 (test_hard_reg_class): New function.
1992 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1993 (ashlhi3): removed define_expand of this pattern.
1994 (*ashlhi3_insn): renamed to ashlhi3.
1995 (ashlsi3): removed define_expand of this pattern.
1996 (*ashlsi3_insn): renamed to ashlsi3.
1997 (ashrqi3): removed define_expand of this pattern.
1998 (*ashrqi3_insn): renamed to ashrqi3.
1999 (ashrhi3): removed define_expand of this pattern.
2000 (*ashrhi3_insn): renamed to ashrhi3.
2001 (ashrsi3): removed define_expand of this pattern.
2002 (*ashrsi3_insn): renamed to ashrsi3.
2003 (lshrhi3): removed define_expand of this pattern.
2004 (*lshrhi3_insn): renamed to lshrhi3.
2005 (lshrsi3): removed define_expand of this pattern.
2006 (*lshrsi3_insn): renamed to lshrsi3.
2008 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2010 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2011 inclusion of "system.h".
2013 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2015 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2018 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2020 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2021 if -mauto-pic is on.
2022 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2023 -mconstant-gp is in effect and function-descriptors are being used
2024 to make indirect calls.
2025 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2026 (MASK_AUTO_PIC): Ditto.
2027 (TARGET_CONST_GP): Ditto.
2028 (TARGET_AUTO_PIC): Ditto.
2029 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2030 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2031 -mno-pic is in effect.
2032 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2033 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2034 -mauto-pic is in effect.
2035 (gprel64_offset): New pattern.
2036 (load_gprel64): Ditto.
2037 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2038 -mconstant-gp is in effect, no need to preserve gp around direct
2040 (call_value): Ditto.
2041 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2042 (FUNCTION_PROFILER): Define.
2043 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2044 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2045 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2047 2000-05-03 Richard Henderson <rth@cygnus.com>
2049 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2050 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2051 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2052 (mklibgcc, libgcc.mk): New targets.
2053 (libgcc.a): Use libgcc.mk.
2054 (stmp-multilib): Likewise.
2055 (stmp-multilib-sub): Remove.
2056 (mostlyclean): Don't delete libgcc2 temp files.
2057 * configure.in (AC_PROG_CC_C_O): Add.
2058 (NO_MINUS_C_MINUS_O): Substitute it.
2059 (all_outputs): Add mklibgcc.
2060 * mklibgcc.in: New file.
2062 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2064 * cppexp.c (op_t): Make an int.
2066 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2068 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2070 * gensupport.c (process_rtx): Fix macros used.
2072 2000-05-03 Richard Henderson <rth@cygnus.com>
2074 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2075 call-clobbered registers of a call.
2077 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2079 * gensupport.c: New file.
2080 * gensupport.h: New file.
2081 * Makefile.in (HOST_RTL): Depend on gensupport.
2082 (gensupport.o) New rule.
2083 * genattr.c: Use gensupport for reading .md files.
2084 * genattrtab.c: Ditto.
2085 * gencodes.c: Ditto.
2086 * genconfig.c: Ditto.
2088 * genextract.c: Ditto.
2089 * genflags.c: Ditto.
2090 * genopinit.c: Ditto.
2091 * genoutput.c: Ditto.
2093 * genrecog.c: Ditto.
2094 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2095 * md.texi (Insn Splitting): Document define_insn_and_split.
2097 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2099 * flow.c (verify_flow_info): Added two more sanity checks. The
2100 first checks that the blocks are numbered consecutively. The second
2101 checks that n_basic_blocks is actually equal to the number of
2102 basic blocks in the insn chain.
2104 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2106 * cpplib.h: Add accessor macros for token lists.
2107 * cpplib.c, cpphash.c, cpplex.c: Use them.
2109 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2111 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2112 memory usage if not in a function.
2113 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2114 return address if static.
2116 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2118 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2119 whether address may trap.
2121 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2123 * bb-reorder (chain_reorder_blocks): Changed code to test for
2124 EDGE_FALLTHRU rather than making erroneous assumption that the
2125 first outgoing edge is the fall-through edge.
2127 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2129 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2130 ABI for varargs, across all MIPS. This is incompatible because the
2131 va_list (__builtin_va_list) structure is different, so a compilation
2132 unit passing a va_list and a compilation unit being passed one, should
2133 both be compiled with the same ABI. (The old structure had two
2134 pointers, now it has three.)
2136 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2138 * bb-reorder.c (struct reorder_block_def): Remove members end,
2139 block_begin, and block_end.
2140 (REORDER_BLOCK_OLD_END): Delete.
2141 (REORDER_BLOCK_BEGIN): Delete.
2142 (REORDER_BLOCK_END): Delete.
2143 (chain_reorder_blocks): Remove dead code.
2145 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2147 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2148 notes as the end of a basic block before deleting.
2150 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2152 * final.c (final_start_function): Fix spelling of "necessary".
2154 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2156 * toplev.c (debug_ignore_block): Return int.
2157 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2158 * toplev.h, dwarf2out.h: Adjust.
2159 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2161 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2162 * toplev.c, final.c, rtl.h: Adjust.
2164 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2166 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2167 * configure.in: Look for makeinfo in the unified tree, then
2168 for a system makeinfo which is sufficiently new.
2169 * Makefile.in: If configure says makeinfo is too old, don't
2170 build or install Info documentation.
2172 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2174 * cpphash.c (collect_params): Fix off-by-one error.
2175 (dump_hash_helper): Dump all four macro nodetypes.
2177 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2179 * cpphash.c (trad_stringify): Adjust p after stringification as
2182 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2184 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2185 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2187 * cppfiles.c (file_cleanup): Delete.
2188 * cpphash.c (macro_cleanup): Delete.
2189 (collect_objlike_expansion, collect_funlike_expansion,
2190 macarg, scan_arguments): Remove CPP_POP case.
2192 * cpplex.c (null_cleanup): Delete.
2193 (cpp_pop_buffer): Do the work that was done in the cleanups
2194 here. Call _cpp_unwind_if_stack from here.
2195 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2196 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2197 stack is the buffer _below_ the one we stacked.
2198 (cpp_get_token): Always pop an exhausted buffer. Return
2199 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2200 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2201 increment the line number.
2202 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2204 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2205 we see CPP_EOF and the top of stack is the buffer _below_ the
2207 * scan-decls.c: Likewise.
2209 2000-05-02 Andrew Haley <aph@cygnus.com>
2211 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2212 where this function is called for the second time on a decl that
2213 has had its section info changed in such a way as to move it out
2215 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2217 2000-05-01 Richard Henderson <rth@cygnus.com>
2219 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2220 the sequence we're moving, not to merge_bb->head.
2222 2000-05-01 Richard Henderson <rth@cygnus.com>
2224 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2225 reference to alpha/t-linux.
2226 (alpha*-*-linux-gnu*): Likewise.
2227 * configure: Rebuild.
2229 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2231 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2234 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2236 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2238 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2241 2000-05-01 Richard Henderson <rth@cygnus.com>
2243 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2244 emit_conditional_move.
2246 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2248 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2249 as the dynamic linker.
2251 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2253 * cppfiles.c (open_include_file): Open file in blocking mode.
2254 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2255 Only exclude block devices and directories.
2257 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2258 static. Allocate the hashnode and its string in the same
2260 (del_HASHNODE): Don't free h->name.
2261 (_cpp_lookup): If there is no entry for this string, create
2262 one, of type T_VOID.
2263 (_cpp_lookup_slot): Delete.
2264 * cpphash.h: Update prototypes.
2266 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2268 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2269 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2270 node here, just fill in the value field properly. "Delete"
2271 entries by setting the value field to T_VOID. Check for
2272 hp->type == T_VOID, not hp == NULL.
2274 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2275 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2278 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2280 * config/mn10300/mn10300.c (print_operand_address): Do not add
2283 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2284 adjusted by less than 256 bytes, use ret regardless of having any
2285 callee-saved register to restore.
2287 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2289 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2291 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2293 * config/i386/djgpp.h (INT_ASM_OP): Define.
2294 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2295 (ASM_WEAKEN_LABEL): Define.
2296 (MASK_BNU210): Define.
2297 (SUBTARGET_SWITCHES): Define.
2298 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2299 (MAKE_DECL_ONE_ONLY): Define.
2300 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2302 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2304 * i386/cygwin.h (INT_ASM_OP): Define.
2306 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2308 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2309 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2311 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2313 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2314 __tmp_reg__ and __zero_reg__ initialization.
2316 2000-04-30 Richard Henderson <rth@cygnus.com>
2318 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2320 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2321 referenced bewteen the condition and the jump. Don't delete
2322 anything but the jump.
2324 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2326 * bb-reorder.c (scope_def): New struct.
2327 (scope_forest_info): New struct.
2328 (struct reorder_block_def): New member "scope".
2329 (REORDER_BLOCK_SCOPE): New macro.
2330 (relate_bbs_with_scopes): New function and prototype.
2331 (make_new_scope): Likewise.
2332 (build_scope_forest): Likewise.
2333 (remove_scope_notes): Likewise.
2334 (insert_intra_1): Likewise.
2335 (insert_intra_bb_scope_notes): Likewise.
2336 (insert_inter_bb_scope_notes): Likewise.
2337 (rebuild_scope_notes): Likewise.
2338 (free_scope_forest_1): Likewise.
2339 (free_scope_forest): Likewise.
2340 (dump_scope_forest): Likewise.
2341 (dump_scope_forest_1): Likewise.
2342 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2343 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2345 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2346 and remove_scope_notes before reordering is done. Added calls to
2347 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2348 after reordering is done.
2350 2000-40-30 Bruce Korb <bkorb@gnu.org>
2352 * fixinc/inclhack.def: Added definitions needed by OSR5,
2353 removed two stale entries (defined away with OLD_CPP).
2354 * fixinc/inclhack.sh: regen
2355 * fixinc/fixincl.x: regen
2357 2000-04-30 Richard Henderson <rth@cygnus.com>
2359 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2360 from the last insn in the sequence.
2362 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2364 * cpplex.c (cpp_idcmp): New function.
2365 * cpplib.h: Prototype it.
2366 * scan_decls.c (scan_decls): Use it to inspect token names.
2367 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2368 the file being run through the preprocessor.
2369 (check_macro_names): Provide length of token to cpp_defined.
2371 * Makefile.in: Remove stale warning message.
2373 * cppfiles.c (redundant_include_p): Provide length of token to
2375 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2376 values are unsigned int.
2377 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2378 (_cpp_lookup_slot): Do not calculate the hash, either.
2379 * cpphash.h: Update prototypes.
2380 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2381 Hashes are unsigned int. Calculate hash here, pass by value
2382 to _cpp_lookup_slot.
2384 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2386 * simplify-rtx.c (check_value_useless): Delete function.
2387 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2389 (cselib_invalidate_regno): Likewise.
2390 (cselib_invalidate_mem_1): Likewise.
2391 (references_value_p): Recognize useless values by the fact that they
2393 (discard_useless_values): Likewise.
2394 (cselib_record_set): This may turn a useless value
2397 2000-04-30 Richard Henderson <rth@cygnus.com>
2399 * config/d30v: New port.
2401 * configure.in (d30v-*): Set fp format.
2402 * configure: Rebuild.
2404 2000-04-30 Richard Henderson <rth@cygnus.com>
2406 * ifcvt.c: New file.
2407 * Makefile.in (OBJS): Add it.
2408 (ifcvt.o): New target.
2409 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2410 and conditional arithmetic.
2411 (find_insert_position): Remove.
2412 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2413 * toplev.c (DFI_ce, DFI_ce2): New.
2414 (dump_file): Add ce and ce2 dumps.
2415 (rest_of_compilation): Run if_convert a couple o times. Set
2416 cse_not_expected after cse2. Don't set no_new_pseudos until
2417 after sched1 or recompute_reg_usage.
2419 2000-04-30 Richard Henderson <rth@cygnus.com>
2421 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2422 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2424 2000-04-30 Richard Henderson <rth@cygnus.com>
2426 * flow.c (struct reg_cond_life_info): New.
2427 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2428 (init_propagate_block_info): Initialize them.
2429 (free_propagate_block_info): Destruct them.
2430 (mark_set_1): Consider conditional life before killing a register.
2431 (mark_regno_cond_dead): New.
2432 (free_reg_cond_life_info): New.
2433 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2434 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2435 (mark_used_reg): Record conditional life.
2437 * haifa-sched.c (schedule_insns): Disable death counting
2438 sanity check for HAVE_conditional_execution.
2440 2000-04-30 Richard Henderson <rth@cygnus.com>
2442 * Makefile.in (TIMEVAR_H): New.
2443 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2444 (timevar.h): Remove rule.
2446 2000-04-29 Richard Henderson <rth@cygnus.com>
2448 * config/alpha/crtend.asm: Use C comments instead of #.
2449 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2451 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2453 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2455 * cpphash.h (enum node_type: Take out T_MCONST.
2456 (union hashval): Move into struct hashnode.
2457 (struct hashnode): Pack tighter. Remove file, line, col
2459 * cpphash.c: Constify most of the macro-definition structures.
2460 (struct definition): Replace by struct object_defn
2461 and struct funct_defn. Put file, line, column information
2462 here. All users updated to match.
2463 (_cpp_create_definition, _cpp_macroexpand): Remove special
2464 case for #define WORD OTHERWORD.
2465 * cpplib.c (do_undef): Remove T_MCONST case.
2467 * cpphash.h: Move struct reflist, struct definition, and the
2468 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2469 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2470 * cpphash.c (_cpp_free_definition): Free data pointed to by
2471 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2472 (_cpp_create_definition, del_HASHNODE): Just call
2473 _cpp_free_definition to clear out a hashnode.
2474 * cpplib.c (do_pragma_poison): Likewise.
2476 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2478 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2479 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2480 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2481 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2482 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2483 REGNO_AM33_P): Redefine in terms of the new macros.
2484 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2485 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2486 STRUCT_VALUE): Likewise.
2487 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2488 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2490 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2492 * regmove.c (struct record_stack_memrefs_data): New.
2493 (record_stack_memrefs): New function.
2494 (combine_stack_adjustments_for_block): Use it.
2496 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2498 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2499 use special_function_p to detect alloca.
2501 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2503 * gcc.texi: Fixes for makeinfo 4.0 --html.
2505 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2507 * pcp.h: Delete file.
2509 2000-04-28 Kazu Hirata <kazu@hxi.com>
2511 * h8300.c (function_epilogue): Clean up flags when the last insn
2512 in a function is a barrier.
2514 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2516 * configure.in (sparc-hal-solaris2*): protect [] glob from
2518 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2519 rather than hard-coded constants in target_cpu_default2.
2520 * configure: Regenerate.
2522 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2524 * tree.c (get_callee_fndecl): Extract the initial value from
2527 2000-04-28 Richard Henderson <rth@cygnus.com>
2529 * varasm.c (record_constant_1): Record the CODE_LABEL when
2530 taking the address of a LABEL_REF.
2532 2000-04-28 Richard Henderson <rth@cygnus.com>
2533 Jan Hubicka <jh@suse.cz>
2535 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2536 adjustment; don't do the stack adjust.
2537 (expand_call): Call compute_argument_block_size right before
2538 allocating the block; update comment; don't do alignment sanity
2539 checking for sibling call; use args_size instead of
2540 unadjusted_args_size before args_size is adjusted. Use
2541 combine_pending_stack_adjustment_and_call to compute stack adjust
2542 for must_preallocate case.
2544 * expr.c (push_block): Remove shadow `temp' in inner scope.
2546 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2548 * toplev.c (rest_of_compilation): Call
2549 note_deferral_of_defined_inline_function even if the function
2552 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2554 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2556 2000-04-28 Richard Henderson <rth@cygnus.com>
2558 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2560 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * timevar.c (init_timevar): DeANSIfy function definition.
2564 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2566 * Makefile.in (timevar.o): Depend on flags.h.
2567 * timevar.c (unused_stack_instances): New variable.
2568 (timevar_push): Take a timevar_stack_def from
2569 unused_stack_instances if available.
2570 (timevar_pop): Push the popped timevar_stack_def onto
2571 unused_stack_instances.
2572 (TIMEVAR_ENABLE): New macro.
2573 (timevar_def): Make standalone a 1-bit field. Add field used.
2574 (get_time): Rename parameter to now. Return after clearing it if
2576 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2577 (timevar_pop): Likewise.
2578 (timevar_stop): Likewise.
2579 (timevar_push): Likewise. Mark the timing variable as used.
2580 (timevar_start): Likewise.
2581 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2582 timevars that were never used.
2584 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2586 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2587 always TREE_READONLY.
2589 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2591 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2592 for call instruction with mode QImode.
2594 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2596 * Makefile.in (OBJS): Add timevar.o.
2597 (toplev.o): Depend on timevar.h.
2598 (ggc-simple.o): Likewise.
2599 (ggc-page.o): Likewise.
2600 (timevar.o): New rule.
2601 (timevar.h): New rule.
2603 * timevar.h: New file.
2604 * timevar.c: Likewise.
2605 * timevar.def: Likewise.
2607 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2608 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2610 (TIMEVAR): Remove macro.
2611 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2612 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2613 flow_time, combine_time, regmove_time, sched_time,
2614 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2615 sched2_time, dbr_sched_time, reorder_blocks_time,
2616 rename_registers_time, shorten_branch_time, stack_reg_time,
2617 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2619 (compile_file): Don't initialize time variables. Call
2620 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2621 of many calls to print_time.
2622 (rest_of_compilation): Add timing for reload_cse_regs.
2623 (get_run_time): Removed to timevar.c.
2624 (print_time): Likewise.
2625 (get_run_time): Implement using TV_TOTAL time variable.
2626 (print_time): Get total run time from get_run_time.
2627 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2628 computing elapsed time explicitly.
2629 * ggc-simple.c (ggc_collect): Likewise.
2630 (gc_time): Remove declaration.
2632 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2634 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2635 (expand_call): Use it.
2637 2000-04-27 Jan Hubicka <jh@suse.cz>
2639 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2642 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2644 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2647 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2649 * function.c (epilogue_done): Pass whole insn to record_insns.
2651 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2653 * cse.c (CSE_ADDRESS_COST): Remove.
2654 (find_best_addr): Add new parameter "MODE", use address_cost instead
2656 (address_cost): New.
2657 (fold_rtx): Update call of find_best_addr.
2658 * rtl.h (address_cost): Declare.
2659 * loop.c (general_induction_var): Add new parameter "MODE", use
2660 address_cost instead of ADDRESS_COST
2661 (init_loop): Use address_cost instead of ADDRESS_COST.
2662 (check_insn_for_givs): Update call of general_induction_var.
2663 (find_mem_givs): Likewise.
2664 (consec_sets_giv): Likewise.
2665 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2666 * i386.c (ix86_address_cost): New.
2667 * i386-protos.h (ix86_address_cost): Declare.
2669 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2671 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2674 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2676 * expr.c (store_expr): Use clear_storage instead of direct memset
2679 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2681 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2682 ASHIFT, AND and LABEL_REF.
2684 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2686 * invoke.texi (-foptimize-sibling-calls): Fix.
2688 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2690 * loop.c (load_mems) Don't use hard registers for the hoisting.
2692 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2693 calculation; rename const_equiv array in the preconditioning code
2694 from loop_unroll to loop_unroll_precondition
2696 2000-04-27 Richard Henderson <rth@cygnus.com>
2698 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2700 (propagate_one_insn): Clear it. Don't update reg_live here.
2701 (init_propagate_block_info): Update for pbi member changes.
2702 (free_propagate_block_info): Likewise.
2703 (mark_set_1): Know that zero_extract, sign_extract, and
2704 strict_low_part don't kill their argument. Alter hard subregs.
2705 Update new_set for non-CLOBBER sets. Update reg_live.
2706 (find_auto_inc): Update reg_live, not new_dead.
2707 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2708 to determine if the reg in question was set this insn. Only update
2709 reg info with PROP_REG_INFO.
2711 2000-04-26 Richard Henderson <rth@cygnus.com>
2713 * flow.c (allocate_reg_life_data): Set max_regno here ...
2714 (life_analysis): ... not here.
2716 * flow.c (calculate_global_regs_live): Force stack pointer
2719 2000-04-26 Richard Henderson <rth@cygnus.com>
2721 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2722 commit change group changes.
2723 (invert_exp_1): Similarly.
2724 (redirect_exp, invert_exp): Use them.
2725 (redirect_jump_1): New.
2726 (invert_jump_1): New.
2727 (jump_optimize_1): Remove code subsumed by condexec.c.
2728 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2730 2000-04-26 Richard Henderson <rth@cygnus.com>
2732 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2734 * genconfig.c (main): Set all HAVE_foo to 1.
2736 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2738 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2740 * invoke.texi: Document -fssa flag.
2742 2000-04-26 Richard Henderson <rth@cygnus.com>
2744 * flow.c (count_reg_sets_1): Remove.
2745 (count_reg_sets, count_reg_references): Remove.
2746 (recompute_reg_usage): Implement with update_life_info.
2747 Reallocate life data.
2749 2000-04-26 Richard Henderson <rth@cygnus.com>
2751 * flow.c (update_life_info): Consider blocks null to mean the
2753 (calculate_global_regs_live): Likewise.
2754 (life_analysis): Do that instead of collecting all_blocks.
2756 2000-04-26 Richard Henderson <rth@cygnus.com>
2758 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2759 a still-valid conditional jump.
2761 2000-04-26 Richard Henderson <rth@cygnus.com>
2763 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2765 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2766 * flow.c (calculate_loop_depth): Remove.
2767 * output.h (calculate_loop_depth): Don't declare.
2768 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2769 inline; run estimate_probability at the same time.
2771 2000-04-26 Neil Booth <NeilB@earthling.net>
2773 * cpplib.h: "~=" is not a single pp-token.
2774 * cpplex.c: Correct commentary.
2776 2000-04-26 Richard Henderson <rth@cygnus.com>
2778 * flow.c (mark_set_1): New arguments code and flags; update all
2779 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2780 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2781 loop_depth when optimizing for size. Do new_dead update after
2782 emitting REG_UNUSED notes. Merge mark_set_reg code.
2783 (mark_set_reg): Remove.
2784 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2785 arrange to not emit REG_UNUSED notes.
2787 2000-04-26 Richard Henderson <rth@cygnus.com>
2789 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2790 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2792 2000-04-26 Richard Henderson <rth@cygnus.com>
2794 * flow.c (propagate_one_insn): Break out from propagate_block.
2795 (init_propagate_block_info): Likewise.
2796 (free_propagate_block_info): Likewise.
2797 (propagate_block): Use them. Export.
2798 * basic-block.h: Declare them all.
2800 2000-04-26 Richard Henderson <rth@cygnus.com>
2802 * basic-block.h (life_analysis): Declare here ...
2803 * output.h: ... not here.
2804 * flow.c (life_analysis): Remove nregs parameter; replace
2805 remove_dead_code with flags. Remove ssa dead code check.
2806 Only init alias analysis if we'll use it.
2807 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2808 * ssa.c (convert_to_ssa): Likewise.
2809 (convert_from_ssa): Likewise.
2810 * toplev.c (rest_of_compilation): Likewise.
2812 2000-04-26 Richard Henderson <rth@cygnus.com>
2814 * flow.c (flow_delete_block): Rename from delete_block. Export.
2815 * basic-block.h (flow_delete_block): Declare.
2817 2000-04-26 David S. Miller <davem@redhat.com>
2819 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2820 taking a PATTERN of it.
2822 2000-04-26 <NeilB@earthling.net>
2824 * cpplex.c (spell_other, spell_char): Remove.
2826 (token_spelling, trigraph_map): Use unsigned chars.
2827 (_cpp_lex_line): Tidy up the switch statement.
2828 * cpplib.h: Implement spell_char with spell_string.
2831 2000-04-26 <RodneyBrown@pmsc.com>
2833 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2834 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2836 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2838 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2839 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2840 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2841 dwarf2out_return_save, dwarf2out_return_reg,
2842 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2843 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2844 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2846 * dwarf2out.h (dwarf2out_init): Likewise.
2848 * dwarfout.c (filename_entry, primary_filename, last_filename,
2849 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2851 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2852 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2853 dwarf2out_return_reg): Likewise.
2855 2000-04-26 Andreas Jaeger <aj@suse.de>
2857 * extend.texi (Function Attributes): Fix description of pure
2860 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2862 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2863 before calling rest_of_compilation.
2865 2000-04-26 Andreas Jaeger <aj@suse.de>
2867 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2870 2000-04-25 Richard Henderson <rth@cygnus.com>
2872 * cse.c (cse_insn): Emit barrier after unconditional jump.
2874 * calls.c (expand_call): Disable tail call generation once
2875 rtx_equal_function_value_matters is false.
2877 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2880 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2882 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2884 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2886 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2887 is the primary DIE for a member function.
2888 (gen_decl_die): Call set_decl_origin_self here.
2889 * dwarfout.c (output_decl): And here.
2890 * integrate.c (output_inline_function): Not here.
2891 Don't clear DECL_INLINE until after calling rest_of_compilation.
2892 (set_decl_origin_self): No longer static.
2893 * tree.h: Add prototype.
2894 * toplev.c (note_deferral_of_defined_inline_function): Only write
2895 out abstract instance for actual inlines.
2897 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2899 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2900 EXTENDED_REGS only if TARGET_AM33.
2901 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2902 SP_REGS to register allocation and reloading unless absolutely
2904 (movsi3): Remove special-case of adding non-constants to SP.
2906 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2908 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2909 INCLUDES to search and does not provide any of its own. Also it
2910 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2911 parameters. Also it does not call AC_DEFINE.
2912 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2913 AC_DEFINE and provides for automatic entries for autoheader.
2914 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2916 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2917 so we can pass -I flags and include gansidecl.h/system.h in this
2920 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2922 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2924 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2925 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2926 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2928 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2929 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2930 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2931 for these macros. Clean up spacing and linewraps.
2933 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2935 * calls.c (expand_call): Use get_callee_fndecl.
2937 * print-tree.c (print_node): Print the chain of an _EXPR.
2939 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2940 Jim Wilson <wilson@cygnus.com>
2941 Andrew Haley <aph@cygnus.com>
2943 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2944 and gp save/restore problems.
2945 * config/ia64/crtend.asm: Add IA-64 unwind support.
2946 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2947 in fr_pad_size calculation.
2948 (save_restore_insns): Move PR save area. Correct uses of
2949 RTX_FRAME_RELATED_P.
2950 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2951 (ia64_expand_epilogue): Add eh_epilogue support.
2952 (ia64_function_prologue): Emit .prologue directive.
2953 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2954 (ia64_override_options): Set init_machine_status and
2955 mark_machine_status.
2956 (rtx_needs_barrier): Handle bsp reads and writes.
2957 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2958 New static variables.
2959 (process_set, process_for_unwind_directive): New functions.
2960 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2961 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2962 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2964 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2965 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2966 (struct machine_function): Define.
2967 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2969 2000-04-25 Bruce Korb <bkorb@gnu.org>
2971 * fixinc/Makefile.in: make the removal of old programs more
2973 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2974 install-bin and install-sh
2976 2000-04-25 Nick Clifton <nickc@cygnus.com>
2978 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2979 defined, define to return zero.
2980 (function_cannot_inline_p): If a function has any target
2981 specific attributes, then use the macro
2982 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2983 whether it can be inlined. If it cannot, issue a suitable
2986 * tm.texi: Add a new node 'Inlining' to document the new macro
2987 FUNCTION_ATTRIBUTE_INLINABLE_P.
2989 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2991 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2994 2000-04-25 Neil Booth <NeilB@earthling.net>
2996 Restore previous patch, plus the following fixes:
2998 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2999 flags, not CPP_OPEN_PAREN.
3000 * cpplex.c (expand_token_space, init_token_list,
3001 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3002 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3004 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3006 * config/i386/freebsd.h (INT_ASM_OP): Define.
3008 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3010 * loop.c (strength_reduce): Fix typo in the last checkin.
3012 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3014 * stor-layout.c (finalize_record_size): Simplify to use existing
3016 (compute_record_mode): No longer static.
3017 * tree.h (compute_record_mode): New declaration.
3019 2000-04-25 Neil Booth <NeilB@earthling.net>
3021 * Revert my patch below until cause of build failures
3024 2000-04-25 Richard Henderson <rth@cygnus.com>
3026 * combine.c (combine_instructions): Add missing argument
3029 * toplev.c (rest_of_compilation): Delay sibcall optimization
3030 until after emit_eh_context.
3032 2000-04-24 Nick Clifton <nickc@redhat.com>
3034 * combine.c (combine_instructions): Do not try to combine a
3035 sequence of insns when the second insn has been replaced by a
3038 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3040 * gcc.c (load_specs): New static function.
3041 (read_specs): Use it.
3043 * gcc.c (lookup_compiler): Make multiple passes for case
3044 insensitive filesystems.
3046 2000-04-24 Neil Booth <NeilB@earthling.net>
3048 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3049 * cpphash.h (_cpp_check_directive): new.
3050 * cpplex.c (handle_newline, cpp_free_token_list,
3051 init_trigraph_map, trigraph_ok, trigraph_replace,
3052 backslash_start, skip_block_comment, skip_line_comment,
3053 skip_whitespace, parse_name, parse_number, parse_string,
3054 copy_comment, _cpp_lex_line, spell_char, spell_string,
3055 spell_comment, spell_name, spell_other, _cpp_lex_file,
3056 _cpp_output_list): new.
3057 (expand_name_space): take length argument.
3058 (init_token_list): add comment list initialisation.
3059 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3060 instead of HSPACE_BEFORE.
3062 * cpplib.c (_cpp_check_directive): new
3063 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3064 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3065 (HSPACE_BEFORE): delete.
3066 (TTYPE_TABLE): rearrange.
3067 (struct cpp_toklist): update.
3069 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3072 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3073 argument form of AC_DEFINE.
3075 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3076 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3077 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3078 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3079 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3081 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3083 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3086 deduced.h): Use -isystem, not -I, for including system headers.
3088 2000-04-24 Nick Clifton <nickc@cygnus.com>
3090 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3091 the source register is the frame pointer or arg pointer.
3092 (addsi3_small_int): Disallow if source register is the frame
3093 pointer or arg pointer.
3095 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3097 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3098 call to AC_MSG_RESULT.
3100 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3102 * invoke.texi: Correct grammatical errors, document
3103 -fno-gnu-keywords as identical to -fno-asm for C++.
3105 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3107 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3108 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3109 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3110 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3111 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3113 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3114 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3115 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3116 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3119 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3121 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3122 (pop_alignment): Likewise.
3123 (handle_pragma_token): Likewise.
3125 2000-04-24 Robert Lipe <robertlipe@usa.net>
3127 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3129 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3131 * combine.c (try_combine): Update reg_nonzero_bits of
3132 newi2pat before newpat.
3134 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3136 * loop.c (strength_reduce): Simplify test to INSN_P.
3137 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3138 expressions instead of CONST_INT.
3139 (express_from_1): Likewise.
3141 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3143 * regs.h (reg_n_max): Don't declare.
3144 * flow.c (reg_n_max): Don't define.
3145 * regclass.c (renumber): Don't initialize to zero.
3146 (regno_allocated): Likewise.
3147 (reg_n_max): Define.
3148 (allocate_reg_info): Don't initialize unnecessarily.
3150 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3152 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3153 and blockage_p in the newly allocated attribute.
3155 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3157 * config/mn10300/mn10300.md (addsi): `inc4' on address
3158 registers does not modify cc, but `inc' on an extended
3161 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3163 * reload.c (find_equiv_reg): Checks all valueno regs
3164 as a reload_reg_p regs.
3166 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3168 * cpphash.c (collect_objlike_expansion): Add sanity check.
3169 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3170 the buffer is the empty string, return. Mark __DATE__ and
3171 __TIME__ as XCONST nodes, not MCONST.
3172 (_cpp_macroexpand): Avoid pushing an empty buffer.
3173 (funlike_macroexpand): Don't pop token_buffer here.
3175 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3177 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3178 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3179 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3180 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3181 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3182 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3183 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3185 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3187 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3190 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3192 * cpphash.h (struct definition): Move file, line, col members...
3193 (struct hashnode): ... here. Also add 'disabled' flag.
3194 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3195 T_IDENTITY. Remove T_DISABLED.
3198 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3199 (collect_expansion): Split into collect_objlike_expansion and
3200 collect_funlike_expansion.
3201 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3202 funlike_macroexpand.
3203 (_cpp_compare_defs): Rename compare_defs, make static.
3204 (_cpp_make_hashnode): Initialize hp->disabled.
3205 (macro_cleanup): Adjust for new token types. Clear
3207 (_cpp_create_definition): Move code here to determine what
3208 sort of macro it is, and code to check for redefinitions, from
3209 do_define. Implement a few simple cases without creating a
3211 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3212 Handle the simple cases.
3213 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3216 * cppinit.c (builtin_array): Change MCONST to XCONST
3218 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3219 fix check for disabled and function-like macros.
3220 * cpplib.c (do_define): Move most logic to
3221 _cpp_create_definition.
3222 (do_undef): Handle new special token types.
3224 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3226 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3227 of CONSTANT_P for mult_val; always use validate_change to update insn.
3229 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3231 * cpphash.c (trad_stringify, add_pat): New functions.
3232 (collect_expansion): Restore support for -traditional syntax.
3233 Use trad_stringify and add_pat.
3234 (_cpp_macroexpand): Restore support for -traditional semantics.
3235 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3236 get a COMMENT token.
3237 (_cpp_lex_token): Provide COMMENT tokens to caller if
3238 traditional and parsing_define_directive.
3239 (skip_comment): Warn about // comments if -Wtraditional.
3240 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3242 (do_undef): Don't warn about undefining EMPTY nodes.
3244 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3246 * loop.c (strength_reduce): Fix biv removal code.
3248 2000-04-22 Richard Henderson <rth@cygnus.com>
3250 * predict.c (estimate_probability): Examine both sides of
3251 a branch for no exits. Use 90% not 50% for predict taken.
3252 Reorg for one copy of note generation code.
3254 2000-04-22 Richard Henderson <rth@cygnus.com>
3256 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3258 2000-04-22 Richard Henderson <rth@cygnus.com>
3260 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3261 (output_clear): Likewise.
3262 (output_printf): Use va_copy.
3263 (vline_wrapper_message_with_location): Likewise.
3264 (v_message_with_decl): Likewise.
3265 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3266 * system.h (va_copy): Provide default implementation.
3268 2000-04-22 Richard Henderson <rth@cygnus.com>
3270 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3271 the collected condition is not a constant.
3273 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3275 * diagnostic.h: New file.
3277 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3279 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3280 various function prototypes.
3281 (diagnostic.h): #include.
3282 (struct output_buffer): Move into diagnostic.h.
3283 (get_output_prefix): Rename to output_get_prefix. Export.
3284 (init_output_buffer): Export. Break out. Ajust intialization.
3285 (output_space_left, output_append): Export.
3286 (output_newline): Rename to output_add_newline. Export.
3287 (output_clear): Nullify additional output_buffer fields.
3288 (output_puts): Rename to output_add_string. Export.
3289 (dump_output): Rename to output_flush_on. Export.
3290 (build_location_prefix): Constify return-type.
3291 (emit_output_prefix): Rename to output_emit_prefix. Export.
3292 (set_real_maximum_length): New function.
3293 (output_set_maximum_length): Ditto
3294 (output_clear): Ditto.
3295 (output_add_character): Ditto.
3296 (output_add_integer): Ditto.
3297 (output_add_space): Ditto.
3298 (output_format): Ditto.
3299 (output_printf): Adjust buffer initialization.
3300 (vline_wrapper_message_with_location): Ditto.
3301 (v_message_with_decl): Ditto. Adjust call to output_puts
3302 and get_output_prefix.
3303 (default_print_error_function): Adjust buffer intialization.
3305 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3307 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3310 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3312 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3315 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3317 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3318 accurate data about SP moves.
3320 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3322 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3323 aliases to AM33 registers.
3325 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3327 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3328 to all EXTENDED bitmaps.
3330 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3332 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3333 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3334 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3336 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3338 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3339 the operand is not constant.
3341 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3343 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3344 as a call-clobbered regs.
3346 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3348 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3350 * rtl.def: Update comment.
3351 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3352 * integrate.c (expand_inline_function): Likewise.
3353 * profile.c (branch_prob): Likewise.
3354 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3355 * print-rtl.c (print_rtx): Likewise.
3356 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3357 (reemit_notes): Likewise; also use enum insn_note.
3359 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3360 (place_field): Properly compute know and actual alignment.
3362 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3365 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3368 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3370 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3371 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3372 (collect_expansion): Rewrite to scan over a token list.
3373 Remove -traditional support.
3374 (collect_formal_parameters): Rename to collect_params; rewrite
3375 to scan over a token list.
3376 (_cpp_create_definition): Adjust to scan a token list.
3377 (_cpp_macroexpand): Remove -traditional support.
3378 (_cpp_compare_defs): Whitespace is now canonicalized.
3379 (comp_def_part): Delete function.
3381 * cpphash.h: Update prototypes.
3382 * cpplex.c (init_token_list): Don't set lineno if there is no
3384 (pedantic_whitespace): New function.
3385 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3386 consume a newline. Use pedantic_whitespace.
3387 (_cpp_lex_token): Remove support for -traditional macros.
3388 (_cpp_get_define_token): Delete.
3389 (_cpp_get_directive_token): Do the real work here. Use
3390 pedantic_whitespace.
3391 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3393 * cpplib.c (get_macro_name): Delete.
3394 (do_define): Read the entire line into pfile->directbuf, then
3395 feed the token list to _cpp_create_definition.
3396 * cpplib.h (HSPACE_BEFORE): new define.
3397 (struct cpp_reader): Add a toklist member, "directbuf".
3399 * predict.c (estimate_probability): New heuristic: if a jump
3400 branches around a block with no successors, predict it taken.
3401 Disentangle control flow.
3403 2000-04-20 Richard Henderson <rth@cygnus.com>
3405 * loop.c (emit_iv_add_mult): Revert last change.
3407 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3409 * cpplib.h (enum cpp_ttype): Add token types for all
3410 punctuators. Distinguish pp-numbers from valid C numbers.
3411 Give some tokens better names. Initialize from macro.
3412 (struct cpp_name, cpp_token, cpp_toklist): New data
3415 * cpplex.c (bump_column, expand_name_space,
3416 expand_token_space, init_token_list, cpp_output_list,
3417 _cpp_scan_line): New functions.
3418 (output_line_command): Add third argument, new line number.
3419 * cpphash.h: Update prototypes.
3420 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3423 2000-04-20 Richard Henderson <rth@cygnus.com>
3425 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3427 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3429 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3432 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3434 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3435 REG_EQUAL note explaining the calculated value.
3437 * calls.c (expand_call): Avoid unnecesary precalculation
3438 and outgoing parameters space guarding for sibling calls.
3439 (store_one_arg): Likewise.
3441 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3443 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3444 (rest_of_compilation): Write sibling dump file and account
3445 for time as jump time.
3446 * invoke.texi: Update documentation on dump flags.
3448 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3450 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3452 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3454 * cpphash.c (special_symbol): Represent an empty macro with
3455 "\r \r " not just "\r ".
3456 (_cpp_macroexpand): Correct condition for the foo ( ) special
3458 (unsafe_chars): Handle EOF as second argument.
3459 (push_macro_expansion): Simplify test for removing escape at
3460 end. Do not trim both escapes if there is no text in between.
3462 2000-04-19 Jim Blandy <jimb@redhat.com>
3464 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3465 of PTR_SIZE, when appropriate.
3467 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3469 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3470 (USE_ENUM_BITFIELDS): Fix typo.
3472 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3474 * stor-layout.c (place_field): Set rli->offset_align properly.
3476 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3479 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3480 PARM_BOUNDARY): Remove unnecessary casts.
3482 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3484 * calls.c (precompute_arguments): Remove must_preallocate and
3486 (expand_call): Update call of precompute_arguments.
3488 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3489 check_insn_for_givs): Break out from ...
3490 (strength_reduce) ... here; use for_every_insn_in_loop to call
3491 check_insn_for_givs.
3492 * loop.h (for_every_insn_in_loop): Declare.
3493 (loop_insn_callback): New type.
3495 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3497 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3500 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3502 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3505 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3507 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3509 * configure.in: Delete --disable-cpplib option and all
3510 references to cpp_main.
3511 * configure: Regenerate.
3512 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3513 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3514 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3515 cpp$(exeext). Add --no-headers to makeinfo command line when
3516 generating INSTALL. Install and uninstall cpp.1 manpage, not
3518 * install.texi: Delete all references to cexp.y/cexp.c.
3519 Delete ancient instructions for compiling GCC on 3b1.
3520 * INSTALL: Regenerate.
3522 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3523 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3524 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3526 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3527 which is no longer tested anywhere.
3529 * cppinit.c (handle_option): Don't run error message through
3532 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3534 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3535 * cpperror.c (hashtab.h): Now include.
3536 * cppexp.c (hashtab.h): Likewise.
3537 * cpplex.c (hashtab.h): Likewise.
3538 * cppfiles.c (hashtab.h): Likewise.
3539 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3540 to htab_find_slot_with_hash.
3541 * cpphash.c (hashtab.h): Now include.
3542 (_cpp_lookup_slot): INSERT is now enum insert_option.
3543 * cpphash.h (_cpp_lookup_slot): Likewise.
3544 * cppinit.c (hashtab.h): Include earlier.
3545 (initialize_builtins): Pass enum to htab_find_slot.
3546 * cpplib.c (hashtab.h): Now include.
3547 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3548 (do_pragma_poison, do_assert): Likewise.
3549 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3550 htab_find_slot_with_hash.
3551 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3552 * tree.c (type_hash_add): Likewise.
3553 (build1): Minor cleanup.
3555 * ggc-common.c: Add missing blanks.
3556 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3557 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3559 * stmt.c (mark_case_node): New function.
3560 (mark_case_nesting): Call it.
3562 * expmed.c (emit_store_flag): If comparing two-word integer
3563 with zero, can optimize NE, EQ, GE, and LT.
3565 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3566 * conflict.c: Minor cleanups.
3567 * optabs.c: Add blank line
3568 * simplify-rtx.c: Minor cleanups.
3570 2000-04-18 Stan Cox <scox@cygnus.com>
3572 * gengenrtl.c (genlegend): Fix misspelling.
3574 2000-04-18 Robert Lipe <robertlipe@usa.net>
3576 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3577 bitfields of the host compiler are not signed quantities.
3578 * config.in: Regenerate.
3579 * configure: Regenerate.
3580 * system.h (USE_ENUM_BITFIELDS): Added.
3581 (ENUM_BITFIELDS): Added.
3582 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3583 (SHORT_ENUM_BUG): Deleted.
3584 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3586 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3587 (CODE_FIELD_BUG): Likewise.
3588 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3590 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3592 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3594 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3597 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3599 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3600 * cpplib.c (do_include, do_import, do_include_next,
3601 read_line_number, detect_if_not_defined): Likewise.
3602 * cpphash.c (collect_expansion): Likewise.
3603 (special_symbol, _cpp_macroexpand): Check return from
3605 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3606 macros. Delete all uses.
3608 * gcc.dg/cpp-mi.c: Add two more test cases.
3609 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3611 2000-04-17 Richard Henderson <rth@cygnus.com>
3613 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3614 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3616 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3618 * function.c (expand_function_start): Use hard_function_value to
3619 compute the RTL to use for DECL_RESULT.
3621 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3623 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3624 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3625 x86_memory_mismatch_stall): New global variables.
3626 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3627 alloved; fix load penalties for Athlon.
3628 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3629 x86_memory_mismatch_stall): Declare.
3630 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3631 TARGET_MEMORY_MISMATCH_STALL): New.
3632 * i386.md (athlon scheduling parameters): Fix latencies according to
3633 Athlon Optimization Manual.
3634 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3636 (fsqrt instruction patterns): Set athlon_decode to direct.
3637 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3638 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3639 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3640 and TARGET_PARTIAL_REGISTER_STALL machines.
3641 (pushdf_nointeger): New pattern.
3642 (pushdf_integer): Rename from pushdf.
3643 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3644 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3646 2000-04-17 Richard Henderson <rth@cygnus.com>
3648 * loop.c (canonicalize_condition): Add WANT_REG argument.
3649 Stop the search if we match it.
3650 * expr.h (canonicalize_condition): Update decl.
3651 * predict.c (expected_value_to_br_prob): Use it. Track last
3652 expected value note.
3653 (find_expected_value): Remove.
3655 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3657 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3659 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3660 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3662 * configure.in: Call AC_FUNC_MMAP_FILE.
3663 * configure: Regenerate.
3664 * config.in: Regenerate.
3666 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3667 * fixinc/fixincl.c: Likewise.
3669 2000-04-17 Richard Henderson <rth@cygnus.com>
3671 * builtins.c (expand_builtin_expect): New.
3672 (expand_builtin): Call it.
3673 * builtins.def (BUILT_IN_EXPECT): New.
3674 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3675 * extend.texi: Document it.
3677 * predict.c (expected_value_to_br_prob): New.
3678 (find_expected_value): New.
3679 * basic-block.h (expected_value_to_br_prob): Declare.
3680 * toplev.c (rest_of_compilation): Invoke it.
3682 * rtl.h (NOTE_EXPECTED_VALUE): New.
3683 (NOTE_INSN_EXPECTED_VALUE): New.
3684 * rtl.c (note_insn_name): Update.
3685 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3686 cases; handle NOTE_INSN_EXPECTED_VALUE.
3688 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3690 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3691 leaf sibcall delay slot if flag_pic.
3692 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3694 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3696 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3698 * fixproto: If fix-header fails, exit with an error.
3700 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3702 * cse.c (struct check_depdendence_data): New.
3703 (check_dependence): New function.
3704 (invalidate): Use check_depdenence.
3706 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3708 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3709 UNITS_PER_WORD is unsigned.
3711 * tree.h (struct tree_common): Remove misleading comment.
3713 2000-04-16 Dave Pitts <dpitts@cozx.com>
3715 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3716 message in quotes. Otherwise, IBM's make program treats the '#' as the
3717 start of a comment and ignores the remainder of the line.
3719 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3721 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3722 * cexp.y (initialize_random_junk): Likewise.
3723 * cppfiles.c (find_include_file): Cast alloca return value.
3724 * cppinit.c (initialize_standard_includes): Likewise.
3725 * cpplib.c (cpp_define, cpp_undef): Likewise.
3726 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3727 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3728 * fold-const.c (CHARMASK): New.
3729 (real_hex_to_f): Use it.
3730 * real.c (CHARMASK): New.
3731 (etoasc, asctoeg): Use it.
3732 (asctoeg): EBCDIC lower case characters preceed upper case.
3734 * i370.c (mvs_add_label): Change spacing for coding conventions.
3735 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3736 outputing case vectors.
3737 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3738 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3739 since vector in in the data CSECT.
3740 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3741 * i370.md (Many patterns): Put the length in the XL directives.
3742 (movdi): Put back STM and MVC in definition.
3743 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3744 pattern using the TCA.
3745 * oe.h (CPP_SPEC): Added to allow trigraphs.
3746 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3747 not support the "long long" type.
3749 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3751 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3753 (mips_reg_mode_ok_for_base_p): Likewise.
3754 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3755 (REG_OK_FOR_INDEX_P): Define unconditionally.
3756 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3757 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3758 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3759 that GET_MODE_SIZE is unsigned.
3760 (mips_reg_mode_ok_for_base_p): Define.
3761 (mips_legitimate_address_p): Likewise. Adjust now
3762 that GET_MODE_SIZE is unsigned.
3763 (block_move_loop): Make the number of bytes unsigned.
3764 (expand_block_move): Likewise.
3765 (function_arg): Make the loop counter unsigned to match the
3768 2000-04-16 Richard Henderson <rth@cygnus.com>
3770 * rtl.h (enum insn_note): New enumeration. Subsume
3771 NOTE_INSN_DELETED and friends.
3772 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3773 * rtl.c (note_insn_name): Tweak string order.
3775 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3777 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3780 * cpplex.c (output_line_command): Remove debugging prints.
3781 (cpp_output_tokens): Don't write out a zero-length buffer or
3782 try to see if it has a newline in it.
3783 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3784 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3785 the end of the loop. Use memmove. Don't read past the end of
3786 the buffer. Remove trailing newlines from error messages.
3788 2004-04-16 Neil Booth <NeilB@earthling.net>
3790 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3791 * cpplib.c: Add new syntax flags to directive table, and
3794 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3796 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3799 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3801 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3802 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3804 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3806 * Makefile.in (ggc-page.o): Now includes toplev.h.
3807 * ggc-page.c (toplev.h): Now included.
3808 (gc_time): Remove declaration.
3809 (ggc_collect): TIME now long.
3810 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3812 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3814 * toplev.c: Make *_time variable long to reduce chance of overflow.
3815 (TIMEVAR): Likewise for `otime'.
3816 (print_time): Arg is now long; compute percentage in FP and round.
3817 * toplev.h (print_time): Arg is long.
3819 * tree.c: Minor whitespace changes.
3821 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3822 * configure: Rebuilt.
3823 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3824 (__fixunsxfDI): Renamed from __fixunsxfdi.
3825 (__fixunsdfDI): Renamed from __fixunsdfdi.
3826 (__fixunssfDI): Renamed from __fixunssfdi.
3827 (__floatdisf): Use proper type in REP_BIT macro.
3828 (__fixunsxfSI): Renamed from __fixunsxfsi.
3829 (__fixunsdfSI): Renamed from __fixunsdfsi.
3830 (__fixunssfSI): Renamed from __fixunssfsi.
3831 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3832 Change location of macros and upper-case some names as above.
3833 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3834 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3836 * varasm.c (assemble_variable): Add cast to remove warning.
3837 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3839 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3840 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3841 region number to -1.
3843 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3845 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3846 call unshare_all_rtl.
3848 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3850 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3852 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3853 Use .s1 not .s0 for all FP instructions.
3855 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3857 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3859 (safe_fwrite, output_line_command): New static functions.
3860 (cpp_expand_to_buffer): Now private to cpplib.
3861 (cpp_scan_buffer): Take a printer.
3863 * cpphash.h: Update prototypes.
3864 * cpplib.h: Update prototypes.
3866 (cpp_buffer): Remove last_nominal_fname.
3867 (cpp_reader): Remove lineno.
3869 * cppmain.c: Use a cpp_printer.
3870 * fix-header.c: No need to inhibit line commands. Call
3871 cpp_start_read with no printer.
3873 * cpperror.c (cpp_notice_from_errno): Provide default name.
3874 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3875 (find_include_file, cpp_read_file): Use make_IHASH.
3876 (file_cleanup): Set control_macro and clear
3877 input_stack_listing_current here.
3878 (_cpp_execute_include): Don't output entering-file marker.
3879 * cpphash.c (special_symbol): Look for the line number in the
3880 buffer, not the reader.
3881 (_cpp_macroexpand): No need to disable line commands.
3882 (_cpp_dump_definition): No need to generate line commands.
3883 (dump_hash_helper): Remove excess newline from output.
3884 * cppinit.c (dump_special_to_buffer): No need to generate line
3886 (cpp_printer_init): New.
3887 (cpp_start_read): Take a printer, and start it up if it's not
3888 NULL. No need to generate line commands.
3889 (cpp_finish): Expect no buffers stacked at all. Take a
3890 printer argument, and flush the output buffer if it's not
3892 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3893 Don't put two hashes at the beginning of an assertion.
3894 (cpp_get_token): Don't increment pfile->lineno or emit line
3895 commands here. Return EOF if there's no buffer when we get
3897 * cpplib.c (do_define, skip_if_group):
3898 No need to disable line commands.
3899 (_cpp_output_line_command): Delete function.
3900 (do_line): Don't emit line commands here, but set things up so
3901 they will be emitted if necessary. Use _cpp_fake_ihash to
3902 make unique nominal_fnames if necessary.
3903 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3904 with 0 for column, not -1.
3905 (_cpp_handle_eof): Don't set the control macro here. Don't
3906 clear input_stack_listing_current here. Don't emit line
3909 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3911 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3912 always, use the default SVR4 start address.
3914 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3915 (LINK_SHLIB_SPEC): Define.
3916 (LINK_START_DEFAULT_SPEC): Define.
3917 (LINK_OS_DEFAULT_SPEC): Define.
3919 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3921 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3922 __do_global_ctors to handle constructors.
3923 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3924 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3925 (STARTFILE_MVME_SPEC): Likewise.
3926 (STARTFILE_SIM_SPEC): Likewise.
3927 (ENDFILE_ADS_SPEC): Use crtend.
3928 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3929 (ENDFILE_MVME_SPEC): Likewise.
3930 (ENDFILE_SIM_SPEC): Likewise.
3931 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3932 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3933 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3934 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3935 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3936 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3937 (CRTSTUFF_T_CFLAGS_S): Define.
3938 * config/rs6000/eabi-ctors.c: Delete.
3940 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3943 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3947 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3949 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3950 plus mask size is smaller or equal to the mode size.
3952 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3954 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3957 * expr.c (reload.h): Now included.
3958 (emit_block_move): Set volatile_ok when checking for movstr.
3959 (emit_move_1): Check for replacements in addresses in multi-word case.
3960 * Makefile.in (expr.o): Now includes reload.h.
3962 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3963 Never have a LIBCALL end a basic block.
3964 (find_basic_blocks_1): Likewise.
3965 Reorganize CALL_INSN cases.
3967 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3969 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3971 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3972 completers from mov.ret instruction.
3974 2000-04-14 Richard Henderson <rth@cygnus.com>
3976 * fold-const.c (extract_muldiv): Don't distribute and widen
3977 multiply across plus for non-sizetype unsigned types.
3979 2000-04-14 Richard Henderson <rth@cygnus.com>
3981 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3982 If the original source is dead in the incr insn, it's dead now.
3984 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3986 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3987 see if DECL_BIT_FIELD needs to still be set.
3989 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3991 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3992 print_int_cst_octal with something that's not an INTEGER_CST.
3994 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3995 and not a SUBREG to a FLOAT rtl.
3997 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3999 * emit-rtl.c (try_split): Avoid infinite loop if the split
4000 results in a sequence that contains the original insn.
4002 2000-04-13 Andreas Jaeger <aj@suse.de>
4004 * config/mips/mips.c (expand_block_move): Pass alignment
4005 argument to move_by_pieces in bits, not bytes.
4007 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4008 __pic__ for little endian.
4010 2000-04-13 Andreas Jaeger <aj@suse.de>
4012 * config/i386/i386-protos.h: Add prototype for
4013 uno_comparison_operator.
4015 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4017 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4018 * calls.c (ECF_PURE): New flag.
4019 (emit_call_1): Handle ECF_PURE calls.
4020 (initialize_argument_information): Unset ECF_PURE flag too.
4021 (precompute_arguments): Precompute for ECF_PURE too.
4022 (expand_call): Handle ECF_PURE calls too.
4023 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4024 accept value of 2 as pure function.
4025 (emit_library_call_value, emit_library_call): Rename no_queue argument
4027 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4029 * tree.h (DECL_IS_PURE): New macro.
4030 (struct tree_decl): Add pure_flag.
4031 * c-common.c (enum attrs): Add attribute "pure".
4032 (init_attributes): Initialize attribute "pure"
4033 (decl_attributes): Handle attribute "pure".
4034 * extend.texi (Attribute "pure"): Document.
4035 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4037 (flags_from_decl_or_type): Support attribute "pure".
4039 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4041 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4042 the token except for numbers and identifiers.
4044 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4046 * i386.c (ix86_expand_binary_operator,
4047 ix86_expand_unary_operator): Check no_new_pseudos
4048 instead of reload_in_progress and reload_completed.
4049 (ix86_split_ashldi, ix86_split_ashrdi,
4050 ix86_split_lshrdi): Check no_new_pseudos instead
4051 of reload_completed.
4053 2000-04-12 Jeffrey A Law (law@cygnus.com)
4055 * function.c (purge_addressof): Unshare any shared rtl created by
4056 purge_addressof and its children.
4058 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4060 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4063 2000-04-05 Andreas Jaeger <aj@suse.de>
4065 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4066 not compiling PIC code, add flags for mabi=64.
4067 (SUBTARGET_CPP_SIZE_SPEC): New.
4068 (SUBTARGET_CPP_SPEC): New.
4069 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4070 for MIPS/Linux and lots of code needs these defines.
4072 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4074 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4075 trying the "opposite arithmetic" approach.
4077 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4079 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4080 (struct sh_args): Add new field force_mem.
4081 (INIT_CUMULATIVE_ARGS): Initialize it.
4082 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4084 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4086 * calls.c (expand_call): Do not reverse args in "equal from" field.
4087 (emit_library_call_value_1): Emit_libcall_block for const and pure
4090 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4092 * reload1.c (reload_combine): Don't enable optimization for fixed
4093 registers when encountering a BARRIER.
4095 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4097 * builtins.c (expand_builtin_memcmp): Do expansion even with
4098 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4100 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4101 stack is propertly aligned; add sanity checking for aligned
4103 (expand_library_call_value_1): Add sanity checking for aligned
4106 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4108 * calls.c (emit_library_call_value_1): Change 3rd arg to
4109 locate_and_pad_parm to disregard the setting of partial.
4111 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4113 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4115 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4116 CALL_INSN from the normal case.
4118 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4120 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4121 New global variables.
4122 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4124 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4126 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4127 TARGET_ADD_ESP_8): New macros.
4128 * i386.md: Add peep2s to convert esp adjustments to push and pop
4130 (pushsi_prologue, popsi_epilogue): New patterns.
4132 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4134 * real.c (toe64): Remove stale #endif from the last change.
4136 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4138 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4139 * real.c (toe64): Revert previous change.
4141 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4143 * objc/objc-act.c: Include ggc.h.
4144 (objc_tree_index, objc_global_trees): Convert most of the
4145 static tree variables into a static array with previous names
4147 (objc_ellipsis_node): New variable.
4148 (lang_init): Call objc_act_parse_init and c_parse_init.
4149 Create objc_ellipsis_node.
4150 (build_selector_translation_table): Use objc_ellipsis_node instead
4152 (hack_method_prototype): Likewise.
4153 (get_arg_type_list): Likewise.
4154 (start_method_def): Likewise.
4155 (continue_method_def): Likewise.
4156 (gen_method_decl): Likewise.
4157 (ggc_mark_imp_list): New function.
4158 (ggc_mark_hash_table): New function.
4159 (objc_act_parse_init): New function.
4160 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4161 * c-parse.in (c_parse_init): For objc add roots of objc specific
4162 local tree variables.
4163 * objc/objc-parse.y: Rebuilt.
4164 * objc/objc-parse.c: Rebuilt.
4165 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4167 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4169 * cse.c (delete_trivially_dead_insns): Also delete insns
4170 that copy a register to itself where the destination is
4173 2000-04-11 Richard Henderson <rth@cygnus.com>
4175 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4176 (propagate_block): Initialize them. Use them in parallel instead
4177 of one tmp variable, ie revert much of the 0408 and 0407 functional
4178 changes, but keep the structural changes.
4179 (mark_set_regs): Take new_dead from propagate_block_info instead.
4180 (mark_set_1, mark_set_reg): Likewise.
4181 (mark_used_regs): Likewise with new_live.
4182 (mark_used_reg): Likewise. Revert 0408 change.
4184 2000-04-11 Nick Clifton <nickc@cygnus.com>
4186 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4188 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4190 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4192 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4193 const section to output a CONSTRUCTOR based on the same conditions
4196 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4198 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4199 * pa/pa-protos.h (output_call): Add additional argument indicating
4200 if the call is a sibling/tail call.
4201 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4202 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4203 (function_arg, function_arg_partial_nregs): Likewise
4204 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4205 (emit_move_sequence): Zero extend certain constants as needed
4207 (compute_zdepdi_operands, output_64bit_and): New functions.
4208 (output_64bit_ior, function_arg): Likewise.
4209 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4210 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4211 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4212 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4213 (output_bvb): Likewise.
4214 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4215 (output_call): New argument 'sibcall'. Generate sibcall sequences
4217 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4218 (ouput_arg_descriptor): Do not emit argument descriptors for
4220 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4222 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4223 (FUNCTION_OK_FOR_SIBALL): Define.
4224 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4225 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4226 (CPP_SPEC): Use new spec infrastructure.
4227 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4228 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4229 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4230 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4231 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4232 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4233 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4234 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4235 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4236 (FUNCTION_ARG); Call out to C code.
4237 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4238 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4239 (MIN_UNITS_PER_WORD): Likewise.
4240 * pa/pa.md (cmpdi): New expander.
4241 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4242 (64bit conditional arithmetic): New patterns.
4243 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4244 (movsicc): Not available if modes on all the operands to not match.
4245 (movdicc): New expander and associated patterns.
4246 (64bit branches): New patterns.
4247 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4248 (pre_ldd, post_std): New patterns.
4249 (64bit addil, load low part): New patterns.
4250 (special movsf constant): Not available for TARGET_64BIT.
4251 (movsf, movdf expanders): Force constants into memory.
4252 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4253 (64bit movdf/movdi patterns): New patterns.
4254 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4256 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4257 (adddi3 expander): Allow "arith_operand" for second input.
4258 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4259 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4260 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4261 (muldi3): New expander for TARGET_64BIT.
4262 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4264 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4265 patterns for TARGET_64BIT.
4266 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4267 patterns for TARGET_64BIT.
4268 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4269 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4270 (sibcall_epilogue): New expander.
4271 (casesi): Tweak for TARGET_64BIT.
4272 (call expanders): Set & use the outgoing argument pointer. Use the
4273 64bit call patterns as needed. Add additional arg to output_call.
4274 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4275 (sibcall, sibcall_internal_symref): New expanders.
4276 (sibcall_value, sibcall_value_internal_symref
4277 (interspace_jump): Turn into an expander + matching patterns.
4278 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4279 * pa/pa64-regs.h: Eliminate trigraph sequences.
4280 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4282 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4284 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4285 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4286 cpp_token with cpp_ttype everywhere.
4287 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4288 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4289 CPP_BUF_COL. Line and column numbers are unsigned int, not
4291 * cpplex.c (cpp_buf_line_and_col): Delete.
4292 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4293 'long lineno' to 'unsigned int lineno'.
4294 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4296 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4298 * extend.texi: ISO C99 is not a draft anymore.
4299 * invoke.texi: ISO C++ is not a draft anymore.
4300 * cpp.texi: __cplusplus is required by the ISO standard.
4302 * extend.texi (-fthis-is-variable): Undocument.
4303 * flags.h (warn_template_debugging): Remove declaration.
4304 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4305 -Wenum-clash, -Wtemplate-debugging): Undocument.
4307 2000-04-10 Nick Clifton <nickc@cygnus.com>
4309 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4311 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4313 (ARM_SIGN_EXTEND): Use HOST_UINT.
4314 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4315 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4316 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4317 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4319 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4320 (arm_gen_constant): Use HOST_UINT.
4321 (arm_canonicalize_constant): Use HOST_UINT.
4322 (arm_reload_in_hi): Use HOST_UINT.
4323 (arm_reload_out_hi): Use HOST_UINT.
4324 (output_multi_immediate): Use HOST_UINT.
4325 (int_log2): Use HOST_UINT.
4326 (arm_poke_function_name): Use HOST_UINT.
4327 (arm_output_epilogue): Use arm_volatile_func().
4328 (output_thumb_prologue): Use arm_strip_name_encoding().
4330 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4332 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4333 of sequence point problems.
4335 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4337 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4339 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4341 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4343 * sbitmap.h: Whitespace changes and use upper-case macro args.
4344 (struct simple_bitmap_def): All sizes now unsigned.
4345 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4346 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4347 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4348 (sbitmap_zero): Cast bzero arg to PTR.
4349 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4350 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4351 loop to make structure clearer.
4352 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4353 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4354 (sbitmap_a_and_b_or_c): Likewise.
4355 (sbitmap_intersection_of_succs): Minor cleanups.
4356 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4357 (sbitmap_union_of_preds): Likewise.
4358 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4359 (debug_sbitmap): New function.
4361 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4362 * c-typeck.c (convert_for_assignment): Likewise.
4364 * expmed.c (init_expmed): Don't free objects we make.
4365 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4367 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4368 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4370 * gcse.c (expr_hash_table_size): Now unsigned.
4371 (compute_ae_gen): Local variable `i' now unsigned.
4372 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4373 (compute_transout, hoist_code): Likewise.
4374 (compute_local_properties): Likewise, also hash_table_size.
4375 (alloc_expr_hash_table): N_INSNS now unsigned.
4376 (delete_null_pointer_checks): Mark arg F as unused.
4378 * regrename.c: Minor cleanups, including chang some variables
4381 2000-04-10 Neil Booth <NeilB@earthling.net>
4383 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4385 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4387 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4389 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4390 __classof__, and __headof__ from the list of gnu keywords.
4391 (-ansi): Remove -foperator-names from list of implied options.
4392 Do not call it ANSI C++.
4393 (-foperator-names): Document as -fno-operator-names.
4395 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4397 * cpphash.c (timestamp): Delete.
4398 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4399 (special_symbol): Remove unnecessary braces. Remove
4400 T_VERSION. Treat T_STDC like T_CONST unless
4401 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4402 when one is encountered, then convert them into T_MCONST
4404 * cppinit.c (builtin_array): version_string is T_MCONST.
4405 __STDC__ has a "1" in its cpval. Don't have a terminator
4406 entry. Clean up which entries are dumped.
4407 (initialize_builtins): Only __STDC__ gets the special
4408 -traditional treatment. Count the length of builtin_array.
4409 Render version_string here.
4410 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4411 * cpplib.h (struct cpp_reader): Remove timebuf.
4413 2000-04-09 Richard Henderson <rth@cygnus.com>
4415 * genrecog.c (pred): Update comparison_operator for the unordered
4418 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4420 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4421 (uno_comparison_operator): New.
4422 (put_condition_code): Handle UNORDERED/ORDERED.
4423 (unsigned_comparison): Likewise.
4424 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4425 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4426 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4427 update all callers. Handle all 8 unordered operators.
4428 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4429 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4430 * config/i386/i386.h (PREDICATE_CODES): Update.
4431 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4432 (ix86_expand_branch, ix86_expand_setcc): Update.
4433 * config/i386/i386.md (sunordered, sordered): New.
4434 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4435 (bunordered, bordered): New.
4436 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4437 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4438 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4440 2000-04-09 Philip Blundell <philb@gnu.org>
4442 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4444 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4446 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4447 fix_truncxfhi2): New patterns.
4448 * i386.c (output_fix_trunc): Handle converting to HImode.
4450 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4452 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4454 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4455 (for_each_successor_phi): Change parameter to basic_block.
4456 (coalesce_regs_in_successor_phi_nodes): Likewise.
4457 (coalesce_regs_in_copies): Likewise.
4458 (compute_coalesced_reg_partition): Use basic_block instead of index.
4459 * rtl.h (convert_to_ssa): Delete.
4460 (convert_from_ssa): Likewise.
4461 (successor_phi_fn): Likewise.
4462 (for_each_successor_phi): Likewise.
4463 (in_ssa_form): Likewise.
4464 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4465 (convert_from_ssa): Likewise.
4466 (successor_phi_fn): Likewise.
4467 (in_ssa_form): Likewise.
4468 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4469 * flow.c (calculate_global_regs_live): Pass a basic_block to
4470 for_each_successor_phi.
4472 2000-04-08 Richard Henderson <rth@cygnus.com>
4474 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4475 was modified in the current insn.
4477 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4479 * arm/thumb.md: Delete.
4480 * arm/thumb-protos.h: Delete.
4482 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4484 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4486 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4488 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4491 * arm.md (nop): Use the standard RTL expression. Don't code as a
4493 (*arm_nop, *thumb_nop): Delete.
4495 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4496 constants. Use casts instead.
4497 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4498 output_multi_immediate, arm_poke_function_name): Likewise.
4499 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4500 MASK_RETURN_ADDDR): Likewise.
4502 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4504 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4507 * arm.md (eh_epilogue): New function.
4508 * arm.h (struct machine_function): Move to here ...
4509 * arm.c: ... from here.
4510 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4511 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4512 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4514 2000-03-30 Nick Clifton <nickc@cygnus.com>
4516 * config/arm/semi.h (ASM_SPEC): Restore definition.
4517 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4519 * config/arm/elf.h (ASM_SPEC): Restore definition.
4520 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4522 * config/arm/arm.h (ASM_SPEC): Remove definition.
4523 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4525 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4527 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4529 2000-03-24 Nick Clifton <nickc@cygnus.com>
4531 Various formating tidyups, elimination of compile time
4532 warnings and synchronisation with internal sources:
4534 * config/arm/arm-protos.h (assemble_align): Add prototype.
4535 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4536 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4537 (arm_return_addr_rtx): Rename to arm_return_addr.
4539 * config/arm/arm.c: Include except.h.
4540 Define shorter typenames for strict minipool_node and struct
4542 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4544 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4545 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4547 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4549 (ASM_SPEC): Define if not already defined.
4550 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4552 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4553 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4554 arm_gen_compare_reg.
4555 (indirect_jump): Only accept register operands.
4556 (load_indirect_jump): Keep this pattern since combine can generate
4559 * config/arm/coff.h: Include aout.h.
4560 (MULTILIB_DEFAULTS): Only define if not already defined.
4562 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4563 into arm.h (so that COFF ports can support thumb based aliases).
4564 (ASM_SPEC): Move definition into arm.h
4566 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4567 redundant apcs spec.
4568 (ASM_SPEC): Move definition to arm.h
4570 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4572 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4573 for entries in the .bss section
4575 2000-03-23 Nick Clifton <nickc@cygnus.com>
4577 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4578 to thumb_far_jump_used_p.
4580 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4581 single integer parameter.
4583 * config/arm/arm.c (struct machine_function): Add two new
4584 fields, 'far_jump_used' and 'arg_pointer_live'.
4585 (thumb_far_jump_used_p): Once the decision has been made that
4586 far jumps might be used, always return true.
4587 If being called from the initial elimination offset macro then
4588 do not bother to perform the test if the arg pointer is not
4590 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4591 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4593 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4595 * arm.c (output_return_instruction): Handle more cases where we can
4596 return from a function with an ldr instruction.
4597 (arm_output_epilogue): Likewise.
4599 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4600 if we need to push a large stack frame and there are no callee-saved
4603 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4604 in ARM code if the frame pointer has been eliminated.
4606 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4607 unspec_volatile arguments to avoid duplicates.
4608 (consttable_1, consttable_2): Fixes for big-endian mode.
4610 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4613 Re-write constant pool code.
4614 * arm.c (minipool_node, minipool_fix): New types.
4615 (minifix): Delete type.
4616 (arm_add_minipool_constant): Delete.
4617 (arm_compute_minipool_offsets, arm_find_barrier,
4618 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4619 (get_jump_table_size): Now returns HOST_WIDE_INT.
4620 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4622 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4623 (assign_minipool_offsets, arm_print_value): Likewise.
4624 (dump_minipool): Rewrite.
4625 (arm_barrier_cost): New function.
4626 (create_fix_barrier): New function.
4627 (push_minipool_barrier): New function.
4628 (push_minipool_fix): Record additional information about the fixup
4630 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4631 check the mode of what needs fixing.
4632 (arm_reorg): Rewrite.
4634 2000-03-08 Nick Clifton <nickc@cygnus.com>
4636 * config/arm/arm.md (indirect_jump): Force constant addresses into
4639 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4641 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4643 2000-02-24 Nick Clifton <nickc@cygnus.com>
4645 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4646 adjust is word aligned.
4647 (thumb_expand_epilogue): Make sure that stack adjust is word
4650 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4652 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4654 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4655 pointer relative addresses.
4657 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4659 * arm.c (find_barrier): Find the last barrier within the allowed
4662 2000-02-09 Nick Clifton <nickc@cygnus.com>
4664 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4666 2000-02-09 Nick Clifton <nickc@cygnus.com>
4668 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4669 ARM_FUNCTION_PROFILER.
4671 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4672 ARM_FUNCTION_PROFILER.
4674 * config/arm/linux-oldld.h: Imported from mainline sources.
4676 2000-02-07 Nick Clifton <nickc@cygnus.com>
4678 * config/arm/lib1funcs.asm: Merge in thumb functions from
4681 * config/arm/lib1thumb.asm: Delete.
4683 2000-02-04 Nick Clifton <nickc@cygnus.com>
4685 * config/arm/arm.c: Sychronised with current Red hat local
4687 * config/arm/arm.h: Ditto.
4688 * config/arm/arm-protos.h: Ditto.
4690 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4692 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4694 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4697 2000-02-02 Nick Clifton <nickc@cygnus.com>
4699 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4701 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4702 (return) was emited using an emit_insn() call.
4704 2000-01-31 Nick Clifton <nickc@cygnus.com>
4706 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4708 (thumb_exit): Move frame pointer back into hard frame pointer
4709 register if backtracing is being used.
4711 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4713 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4716 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4718 * config/arm/arm.md (neg_pool_offset): Provide default for new
4720 (arm_movsi_insn): Add neg_pool_offset attribute.
4721 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4722 rtx for the insn that starts the scan and an unsigned long for its
4723 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4724 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4725 instructions in *PINSERTED.
4726 (struct minipool_fixup): Add MIN_ADDRESS elt.
4727 (sort_fixups): Compute it.
4728 (arm_reorg): Changes to support inserting pools before the insn to be
4731 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4733 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4734 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4735 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4737 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4739 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4741 (TARGET_DEFAULT): Do not define if already defined.
4743 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4745 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4746 (iordi3): Allow disjoint source operands.
4747 (xordi3): Allow disjoint source operands.
4748 (negdi2): Permit construction for ARM and Thumb.
4749 (arm_negdi2): Renamed version of old negdi2 pattern.
4750 (thumb_negdi2): New pattern: Only permit non-overlapping
4751 source and destination.
4753 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4755 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4756 scratch low register so that it will not be deleted.
4758 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4760 * config/arm/pe.h (ARM_PE): Define.
4762 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4763 interfacearm attribute if this is a PE toolchain.
4764 (output_return_instruction): Do not emit anything if the function
4765 has the naked attribute set.
4766 (is_called_in_ARM_mode): If the function has the interfacearm
4767 attribute then return true.
4768 (thumb_expand_prologue): Do not generate a prologue for naked
4770 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4772 (output_thumb_prologue): Do not bother if the function is naked.
4773 Strip PE encoding from function name before emitting.
4775 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4777 * arm.md (pic_load_addr): Fix constraints.
4779 * arm.md (casesi_insn): Fix mis-applied patch.
4781 * arm.md ("core" function unit): Add rules for single- and
4783 (All TARGET_THUMB patterns): Add "type" attribute information
4785 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4786 the following insn is a CALL.
4788 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4790 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4791 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4792 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4794 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4796 * config/arm/linux-gas.h: oops - this file was missed out when the
4797 branch was created...
4799 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4801 * thumb.c: Deleted. Move contents to ...
4803 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4805 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4808 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4809 declare a prototype for asm_output_align();
4811 * arm.c (thumb_condition_code): Delete.
4812 (arm_print_operand): Always use arm_condition_code array.
4814 * arm.c (thumb_return_addr_rtx): Delete.
4815 (arm_save_machine_status, arm_restore_machine_status): Delete.
4816 (arm_init_machine_status, arm_mark_machine_status): New functions.
4817 (arm_init_expanders): Update accordingly.
4818 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4819 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4820 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4822 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4824 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4826 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4829 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4831 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4832 stack backtrace structure.
4834 * config/arm/arm-protos.h: Add prototypes for functions defined in
4837 * config/arm/arm.c (arm_override_options): Fix selection of
4838 attributes of default processor.
4840 * config/arm/coff.h: Delete needless #include.
4842 * config/arm/pe.c: Delete unused code.
4844 * config/arm/pe.h (CPP_DEFINES): Delete
4845 (SUBTARGET_CPP_SPEC): Define.
4846 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4848 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4850 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4852 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4854 (CAN_DEBUG_WITHOUT_FP): Define.
4855 (FIXED_REGISTERS): Make r11 call-saved.
4856 (CALL_USED_REGISTERS): Likewise.
4857 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4858 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4859 frame-pointer is required.
4860 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4861 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4862 if the target normally needs a stack frame in non-leaf functions.
4863 (use_return_insn): Correct logic for determining when a return
4864 instruction can be used.
4865 (output_return_instruction): Handle the frame-pointer register as
4866 a normal register when not TARGET_APCS_FRAME.
4867 (arm_output_prologue): Likewise.
4868 (arm_output_epilogue): Likewise.
4869 (output_func_epilogue): Likewise.
4870 (arm_expand_prologue): Likewise.
4871 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4873 * arm.c (use_return_insn): No need to check floating point regs if
4875 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4876 the code of value stored in the minipool array.
4877 (arm_add_minipool_constant): Likewise.
4879 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4881 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4883 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4885 * tree.c (tree_expr_nonnegative_p): New function.
4887 * tree.h (tree_expr_nonnegative_p): Declare.
4889 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4890 elide some sign_compare warnings.
4891 (build_conditional_expr): Likewise.
4893 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4895 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4897 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4898 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4899 operand. Abort if a 387 operand has an unsupported size.
4901 2000-04-08 Neil Booth <NeilB@earthling.net>
4903 * cppexp.c (parse_charconst): Null does not end character
4905 * cppinit.c (ISTABLE): Null character handled as whitespace.
4906 * cpplex.c (null_warning): new function.
4907 (skip_string): Emit warning if nulls encountered.
4908 (_cpp_skip_hspace): Emit warning if nulls encountered.
4909 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4913 2000-04-07 Richard Henderson <rth@cygnus.com>
4915 * flow.c (loop_depth): Remove.
4916 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4917 (struct propagate_block_info): New.
4918 (life_analysis): Don't allocate reg_next_use.
4919 (propagate_block_delete_insn): Break out of propagate_block.
4920 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4921 (propagate_block_delete_libcall): Likewise.
4922 (propagate_block): Create a propagate_block_info struct to pass
4923 to subroutines. Allocate one not two temporary regsets. Don't
4924 clobber memory for const calls. Look for clobbers in
4925 CALL_INSN_FUNCTION_USAGE.
4926 (mark_set_regs): Recognize COND_EXEC.
4927 (mark_set_reg): Break out of mark_set_1.
4928 (mark_used_reg): Break out of mark_used_regs.
4929 (mark_used_regs): Recognize COND_EXEC.
4930 (insn_dead_p): Use propagate_block_info struct.
4931 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4932 (find_auto_inc, try_pre_increment_1): Likewise.
4933 (print_rtl_with_bb): Dump regs live at end too.
4934 (count_reg_sets_1): Pass in loop_depth.
4935 (count_reg_sets, count_reg_references): Likewise.
4936 (recompute_reg_usage): Provide it.
4938 2000-04-07 Richard Henderson <rth@cygnus.com>
4940 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4943 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4945 * cpplib.c (do_elif): Skip the rest of the line if we're
4946 not going to bother evaluating it.
4947 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4948 to avoid pointless calls to the lexer.
4950 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4952 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4954 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4956 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4958 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4960 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4962 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4964 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4965 crtend so they can be multilibbed.
4966 (STAGESTUFF): Remove s-crt and s-crtS.
4968 2000-04-07 Richard Henderson <rth@cygnus.com>
4970 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4971 if we discover we need a pseudo and no_new_pseudos is true.
4972 * config/alpha/alpha.md (ne:DI insn): New.
4973 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4975 2000-04-07 Richard Henderson <rth@cygnus.com>
4977 * rtl.def (COND_EXEC): New.
4978 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4979 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4981 * genconfig.c (have_cond_arith_flag): Remove.
4982 (have_cond_exec_flag): New.
4983 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4984 (main): Print HAVE_conditional_execution.
4986 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4987 (sched_analyze_insn, print_pattern): Likewise.
4988 * reload.c (find_equiv_reg): Likewise.
4989 * rtlanal.c (reg_referenced_p): Likewise.
4990 (note_stores, dead_or_set_regno_p): Likewise.
4991 (reg_overlap_mentioned_p): Rewrite to use a switch.
4993 * ggc.h (struct rtx_def): Forward declare.
4995 * print-rtl.c (debug_rtx_range): New.
4996 * rtl.h (debug_rtx_range): Declare.
4998 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5000 * gcse.c (gcse_main): Don't rebuild the CFG here.
5001 (delete_null_pointer_checks): Likewise.
5002 * ssa.c (convert_to_ssa): Likewise.
5003 * toplev.c (rest_of_compilation): Do it here instead. Combine
5004 sequential calls to TIMEVAR. Consistently use `insns' instead of
5005 `get_insns()'. Always split insns after reload when optimizing.
5007 * basic-block.h (merge_blocks_nomove): Declare.
5008 (tidy_fallthru_edge): Declare.
5009 * flow.c (merge_blocks_nomove): Document as merging into previous
5010 blocks. Remove cruft from between blocks; remove all edges out of A.
5011 (tidy_fallthru_edge): Export.
5013 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5015 * ssa.c (compute_conservative_reg_partition): Declare with
5017 * toplev.c (clean_dump_file): Remove previously-deleted function
5018 inadvertantly merged back in.
5019 * conflict.c (conflict_graph_add): Use a single call to
5020 htab_find_slot to look up and insert.
5022 2000-04-06 Richard Henderson <rth@cygnus.com>
5024 * genrecog.c (*): Rename _last_insn to last_insn.
5025 (make_insn_sequence): Set the position of the peephole2 C test
5026 to be at the last insn.
5028 2000-04-06 Richard Henderson <rth@cygnus.com>
5030 * flow.c (compute_flow_dominators): Free worklist.
5032 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5034 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5036 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5038 * rtl.h (INSN_P): New macro.
5039 (successor_phi_fn): New typedef.
5040 (for_each_successor_phi): New prototype.
5041 (in_ssa_form): New variable.
5042 (PHI_NODE_P): Likewise.
5043 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5044 phi nodes in successors.
5045 (mark_used_regs): Add PHI case.
5046 (set_phi_alternative_reg): New function.
5047 (life_analysis): Assert that dead code elimination is not selected
5049 * toplev.c (to_ssa_time): New variable.
5050 (from_ssa_time): Likewise.
5051 (compile_file): Zero to_ssa_time and from_ssa_time.
5052 Print time to convert to and from SSA.
5053 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5054 (print_time): Compute percent fraction as integer.
5055 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5056 (convert_to_ssa): Check if we're already in SSA.
5057 Don't eliminate dead code in life_analysis.
5058 Rerun flow and life analysis at bottom.
5059 (eliminate_phi): Use canonical regnos when adding nodes.
5060 (mark_reg_in_phi): New function.
5061 (mark_phi_and_copy_regs): Likewise.
5062 (convert_from_ssa): Rerun life analysis at top.
5063 Use coalesced partition.
5064 Check for removing a phi node at the end of the block.
5065 (compute_coalesced_reg_partition): New function.
5066 (coalesce_regs_in_copies): Likewise.
5067 (coalesce_reg_in_phi): Likewise.
5068 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5069 (for_each_successor_phi): Likewise.
5070 (rename_context): New struct.
5071 (rename_block): Use a rename_context with rename_insn_1. When
5072 renaming sets of a subreg, emit a copy of the entire reg first.
5073 (rename_insn_1): Treat data as a rename_context *. Save current
5075 (rename_set_data): Add field set_insn.
5076 * Makefile.in (HASHTAB_H): Move up in file.
5077 (OBSTACK_H): New macro.
5078 (collect2.o): Use OBSTACK_H in dependencies.
5079 (sdbout.o): Likewise.
5080 (emit-rtl.o): Likewise.
5081 (simplify-rtx.o): Likewise.
5082 (fix-header.o): Likewise.
5083 (OBJS): Add conflict.o.
5084 (conflict.o): New rule.
5085 * basic-block.h: Include partition.h.
5086 (conflict_graph): New typedef.
5087 (conflict_graph_enum_fn): Likewise.
5088 (conflict_graph_new): New prototype.
5089 (conflict_graph_delete): Likewise.
5090 (conflict_graph_add): Likewise.
5091 (conflict_graph_conflict_p): Likewise.
5092 (conflict_graph_enum): Likewise.
5093 (conflict_graph_merge_regs): Likewise.
5094 (conflict_graph_print): Likewise.
5095 (conflict_graph_compute): Likewise.
5096 * conflict.c: New file.
5098 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5100 * tlink.c (read_repo_files): Don't look for .rpo info for
5103 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5105 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5107 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5109 * config/sh/lib1funcs.asm (___udivsi3_i4):
5110 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5111 only depends on FMOVD_WORKS.
5113 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5115 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5116 make double constant 8-byte aligned.
5118 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5120 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5121 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5122 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5123 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5124 Accept storing GENERAL_REGS into offsetable memory.
5125 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5126 building a TFmode constant other than 0.0L into GENERAL_REGS.
5128 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5130 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5132 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5134 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5135 (macro_cleanup): No need to cast pbuf->macro.
5136 (collect_expansion): Use _cpp_get_define_token. Goto done if
5137 it returns VSPACE. Remove check for trailing space after
5139 (_cpp_create_definition): Don't diddle flags here. Return
5141 (unsafe_chars): Handle c1 being EOF.
5142 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5143 checks. Don't push the buffer till after we're done with
5145 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5146 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5147 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5149 (_cpp_parse_assertion): Don't NUL terminate.
5150 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5151 hspace before calling _cpp_parse_assertion. Remove all sets
5152 of only_seen_white. Treat '\f' as hspace. Don't do anything
5153 special with '\n' here.
5154 (maybe_macroexpand): Handle T_EMPTY hash entries without
5155 pushing a buffer at all.
5156 (cpp_get_token): Handle clearing only_seen_white here. Handle
5157 incrementing the line number here. Clear
5158 potential_control_macro as well as only_seen_white, if
5160 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5161 (_cpp_get_define_token): New function, basically like
5162 _cpp_get_directive_token was but doesn't eat horizontal space.
5163 Don't do anything with only_seen_white here.
5164 (_cpp_get_directive_token): Just call _cpp_get_define_token
5165 repeatedly till it returns non-hspace.
5167 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5168 (conditional_skip, skip_if_group): Return int.
5169 (DIRECTIVE_TABLE): Change origin of all conditional directives
5171 (TRAD_DIRECT_P): New macro.
5172 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5173 an error for a bogus directive, unless -lang-asm. Use
5174 TRAD_DIRECT_P. Loop calling handler functions till one returns
5176 (get_macro_name): Don't diddle flags here.
5177 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5178 Create T_EMPTY nodes for #define macro /* nothing */.
5179 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5180 Use hp->name when calling pass_thru_directive.
5181 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5182 Return the result of conditional_skip and/or skip_if_group.
5183 Don't call _cpp_output_line_command.
5184 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5185 Issue -Wtraditional warnings as appropriate. Don't complain
5186 about unrecognized directives. If we are to stop skipping,
5187 return the number of the directive that ended the skip.
5188 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5189 expansion and line commands while skipping. Return the result
5190 of consider_directive_while_skipping, if nonzero.
5191 (do_endif): Just set potential_control_macro here.
5192 (validate_else): Use _cpp_get_directive_token.
5193 (do_assert, do_unassert): Don't save pointers into the
5194 token_buffer across calls to the lexer. Use
5195 _cpp_get_directive_token.
5197 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5198 pointer, not an offset. Replace 'data', which was a generic
5199 pointer, with 'macro', which points to a struct hashnode.
5200 (cpp_reader): Add 'potential_control_macro' pointer.
5201 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5202 (CPP_BUF_GET, CPP_FORWARD): Delete.
5203 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5204 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5205 ACTIVE_MARK_P): Update.
5206 (_cpp_get_define_token): New internal function.
5207 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5209 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5211 * configure.in: And here.
5212 * configure: Regenerate.
5213 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5214 --enable-libstdcxx-v3 is passed at configure time.
5215 * config.h.in: Regenerate.
5217 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5219 * final.c (final): Use xcalloc to allocate line_note_exists.
5220 * function.c (free_after_compilation): Free the temp_slots.
5221 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5222 (combine_temp_slot): Free temp_slots when they get combined.
5223 (purge_addressof): Fix typo in comment.
5224 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5225 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5227 * ggc.h: Include varray.h.
5228 (ggc_pending_trees): Declare.
5229 (ggc_mark_tree_children): Remove declaration.
5230 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5231 * ggc-common.c (ggc_pending_trees): New variable.
5232 (ggc_mark_roots): Call ggc_mark_trees.
5233 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5234 the ggc_pending_trees.
5235 * Makefile.in (GGC_H): New variable. Use it throughout in place
5238 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5240 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5243 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5245 * sh.c (sh_insn_length_adjustment): New function.
5246 * sh-protos.h (sh_insn_length_adjustment): Declare.
5247 * sh.h (ADJUST_INSN_LENGTH): Use it.
5249 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5251 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5252 from the insn where REG_RETVAL is added.
5253 (emit_no_conflict_block): Ditto.
5255 * md.texi (Standard Names): Clarify when movX is needed.
5257 * combine.c (simplify_comparison) [MINUS]: Do not replace
5258 all (op (minus A B) 0) with (op A B).
5260 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5261 J"orn Rennecke <amylaar@cygnus.co.uk>
5263 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5264 (block_lump_real): Likewise.
5266 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5268 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5269 remaining non-zero debugging masks.
5271 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5273 * basic-block.h (verify_flow_info): Declare.
5274 (flow_loop_outside_edge_p): Declare.
5275 * flow.c (verify_flow_info): Remove declaration.
5276 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5278 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5280 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5283 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5285 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5286 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5287 seqdi_zero_trunc+1): Allow splits only if registers are
5290 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5292 * acconfig.h: Add HAVE_GAS_HIDDEN.
5293 * config.in: Regenerated.
5294 * configure.in: Add test for .hidden pseudo-op in gas.
5295 * configure: Regenerated.
5296 * crtstuff.c: Include auto-host.h.
5297 Emit additional .hidden pseudo-op for __dso_handle if the
5298 assembler knows about it.
5300 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5302 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5303 before freeing argnames.
5304 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5306 2000-04-05 Michael Meissner <meissner@redhat.com>
5308 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5309 Walton <jonboy@gordian.com> to make memory references with update
5310 work wtih -mregnames.
5312 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5314 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5315 (regrename_optimize): Rename variables `def_uses' and
5316 `ext_basic_blocks' to avoid conflicts with similarly named
5317 typedefs in traditional C.
5319 * calls.c (initialize_argument_information): Fix typo in previous
5322 2000-04-04 Richard Henderson <rth@cygnus.com>
5324 * regrename.c (consider_available): Test fixed_regs not
5325 PIC_OFFSET_TABLE_REGNUM.
5327 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5329 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5331 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5332 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5333 (ENDFILE_LINUX_SPEC): Always use crtend.
5334 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5335 (powerpc-*-linux-gnu): Likewise.
5336 * configure: Regenerate.
5338 * config/rs6000/eabi.h: Don't include sysv4.h.
5339 (MULTILIB_DEFAULTS): Don't define.
5340 * config/rs6000/eabiaix.h: Don't include eabi.h.
5341 * config/rs6000/eabile.h: Delete.
5342 * config/rs6000/eabilesim.h: Delete.
5343 * config/rs6000/eabisim.h: Don't include eabi.h.
5344 * config/rs6000/linux.h: Don't include sysv4.h.
5345 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5346 (MULTILIB_DEFAULTS): Don't redefine.
5347 * config/rs6000/rtems.h: Don't include eabi.h.
5348 * config/rs6000/sol2.h: Don't include sysv4le.h.
5349 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5350 * config/rs6000/t-ppc: Delete.
5351 * config/rs6000/t-ppcgas: Correct comment.
5352 * config/rs6000/t-ppcos: Correct comment. Don't build
5353 multilibs for -fPIC, rather use -fPIC -mstrict-align
5355 * config/rs6000/t-ppc: Delete.
5356 * config/rs6000/vxppc.h: Don't include sysv4.h.
5357 * config/rs6000/vxppcle.h: Delete.
5358 * configure.in: Use multiple header files for p2pc ELF targets
5359 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5360 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5361 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5362 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5363 always available for these platforms.
5365 2000-04-04 Richard Henderson <rth@cygnus.com>
5367 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5369 2000-04-04 Stan Cox <scox@cygnus.com>
5371 * Makefile.in: Add rules for regrename.o
5372 * regrename.c: New file.
5373 * rtl.h (regrename_optimize): Add prototype.
5374 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5375 (compile_file, decode_d_option): Add support for -frename-registers.
5376 (rest_of_compilation): Call regrename_optimize.
5377 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5380 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5382 * Makefile (gccbug): New target.
5383 (doc): Depend on it.
5384 * gcc.texi (Bugs): Link subnodes.
5386 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5387 Document severities, priorities, and classes in bug form.
5389 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5391 * cpplex.c (trigraph_map, speccase): Combine into single
5393 (NORMAL, NONTRI): New macros.
5394 (_cpp_read_and_prescan): Change to use unified table. Use
5395 is_hspace to test for whitespace.
5397 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5398 definition that doesn't provoke the "empty body in an
5399 if-statement" warning.
5401 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5403 * builtins.c (expand_builtin_strlen): Force the source to
5404 be a memory address.
5406 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5408 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5410 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5412 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5413 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5414 (ECF_IS_CONST): Rename to ECF_CONST.
5415 (special_function_p): Make static, change interface.
5416 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5417 (expand_call) ... here; convert number of variables to flags.
5418 (emit_library_call_vlue_1): Likewise.
5419 (setjmp_call_p): New function.
5420 (initialize_argument_information): Accepts flags as argument;
5422 (precompute_arguments): Likewise.
5423 * tree.h (special_function_p): Remove.
5424 (setjmp_call_p): Add prototype.
5426 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5428 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5429 so that addresses are offsetable by up to 16 bytes.
5430 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5431 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5434 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5435 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5436 (movsf): Don't force any constant to memory if target is integer
5438 Move fp_zero_operand check below the const0_rtx check.
5439 (movtf): Likewise. Also allow fp_zero_operand for stores into
5441 (movdf): Likewise. Also allow fp_zero_operand for stores into
5442 memory and into integer hard registers.
5443 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5444 movdf_const_intreg_sp64): Remove.
5445 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5447 (movdf_no_e_insn_v9_sp32): New pattern.
5448 (movdf_insn_v9only): Remove.
5449 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5450 (movdf_insn_sp64): Remove.
5451 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5452 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5453 (following splits): Rewrite conditions. Add two new splits
5454 for storing 0.0 into memory and registers.
5455 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5456 (movtf_insn_sp32): Redo constraints and conditions.
5457 (movtf_insn_vis_sp32): New pattern.
5458 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5459 (movtf_insn_hq_sp64): Likewise.
5460 (movtf_insn_hq_vis_sp64): New pattern.
5461 (movtf_insn_sp64): Redo constraints and conditions.
5462 (movtf_insn_vis_sp64): New pattern.
5463 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5464 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5466 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5467 -mvis or -m64 to take down the number of various reload patterns.
5469 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5471 * pa/pa-64.h: New file.
5472 * pa/pa64-regs.h: New file.
5473 * pa/pa64-start.h: New file.
5474 * pa/t-pa64: New file.
5475 * pa/xm-pa64hpux.h: New file.
5477 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5479 * sparc.c (output_restore_regs): Prototype.
5480 (sparc_emit_float_lib_cmp): Constification.
5482 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5484 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5487 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5488 (get_value_hash, hash_rtx): Likewise.
5490 * ssa.c (compute_conservative_reg_partition): Prototype.
5492 * tree.c (mark_hash_entry): Prototype.
5494 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5496 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5497 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5498 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5500 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5501 * objc/lang-specs.h: Likewise.
5503 2000-04-03 Neil Booth <NeilB@earthling.net>
5505 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5506 and SYNTAX_ERROR2. Replace `' in messages with ''.
5507 (op_to_str): Make re-entrant.
5508 (_cpp_parse_expr): Implement new error macros. Use | rather
5509 than || to logically or 2 boolean integers. Simply expression
5510 checking we have a left operand iff needed.
5512 2000-04-03 Nick Clifton <nickc@cygnus.com>
5514 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5516 2000-04-03 Philip Blundell <philb@gnu.org>
5518 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5520 2000-04-03 Felix Lee <flee@cygnus.com>
5522 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5523 (run_shell): Use it.
5525 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5527 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5528 (stmp-fixproto): ...rather than here.
5530 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5532 * pa.c (print_operand): Compute 'base' only inside the code paths
5535 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5537 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5540 2000-04-03 Philipp Thomas <pthomas@suse.de>
5542 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5544 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5546 * Makefile.in (alias.o): Depend on $(TREE_H).
5548 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5550 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5552 * cpplib.c (_cpp_handle_directive): Improve warnings for
5553 traditional C and indented directives.
5555 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5556 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5557 fixinc/inclhack.def: Indent the # of #include_next one space.
5558 * cp/rtti.c: Un-indent #if and #endif.
5560 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5561 syntax error, but an error has already been printed.
5562 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5563 message when called with nothing remaining on the line.
5564 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5565 OTHER token, not an ASSERTION.
5566 * cpplib.c (do_assert): When we create a 'base' node, clear
5567 its aschain pointer.
5569 2000-04-02 Neil Booth <NeilB@earthling.net>
5571 * cppexp.c: New typedef op_t. struct operation and struct
5572 token updated to use it.
5573 (op_to_str): New function.
5574 (_cpp_parse_expr): Error messages modified to use op_to_str.
5576 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5578 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5579 before checking MUST_PASS_IN_STACK.
5581 2000-04-02 Neil Booth <NeilB@earthling.net>
5583 * cppexp.c: New FINISHED dummy token. Combine operator initial
5584 flags and initial priority into a single constant. New
5585 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5586 (_parse_cpp_expr): Implement new constants. Take left operand
5587 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5588 parse indicated by reducing FINISHED token. Remove new lines
5589 from cpp_error messages.
5591 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5593 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5596 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5598 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5599 directive. Add origin values to DIRECTIVE_TABLE. Generate
5600 the strings and function names on the fly. Take the #sccs
5601 entry out of the table if SCCS_DIRECTIVE is not defined.
5602 (_cpp_handle_directive): Decide if the # was at the beginning
5603 of the line here. Issue -pedantic warnings for extended
5604 directives here. Warn about K+R directives with the #
5605 indented, and C89/extended directives with the # not indented,
5607 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5608 do_assert, do_unassert): Don't issue pedantic warning here.
5610 * cpphash.h: Add CPP_WTRADITIONAL macro.
5611 * cpplib.h (struct cpp_options): Rename warn_stringify to
5612 warn_traditional; update comments.
5613 * cppinit.c (handle_option): Set warn_traditional not
5615 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5616 CPP_WTRADITIONAL (pfile).
5617 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5618 be ignored in -traditional mode here.
5620 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5621 to initialize speccase[] and trigraph_map[]. Delete all
5622 references to pfile->input_speccase. Always treat '?' as a
5623 special character. Remove table-initialization code from
5624 _cpp_init_input_buffer.
5626 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5627 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5629 2000-04-01 Richard Henderson <rth@cygnus.com>
5631 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5632 (mostlyclean): Likewise.
5634 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5635 (struct dump_file_info, enum dump_file_index, dump_file): New.
5636 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5637 not a string. Clean out file if we havn't yet done so. Do nothing
5638 if the dump isn't enabled.
5639 (close_dump_file): Do nothing if the dump isn't open. Dump
5640 graph data if requested.
5641 (dump_rtl, clean_dump_file): Remove.
5642 (compile_file): Don't clean the dump files. Only finalize .bp dump
5643 if flag_test_coverage or flag_branch_probabilities. Only finalize
5644 .combine dump if optimizing. Iterate over dump_file to finalize the
5646 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5647 Convert all uses of dump_rtl.
5648 (decode_d_option): Iterate over dump_file to implement 'a' and to
5649 locate pass-specific dumps.
5651 2000-04-01 Neil Booth <NeilB@earthling.net>
5653 * cppexp.c: Redefine priority constants.
5654 (_cpp_parse_expr): Replace left and right priority scheme with
5655 single priority logic. Move LOGICAL to same place as COMPARE.
5656 Remove bogus check for multiple unary +/- operators.
5658 2000-04-01 Neil Booth <NeilB@earthling.net>
5660 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5661 within the switch statement. Binary operations break out of
5662 the switch naturally. '(' tokens handled by forcing
5663 immediate shift. ')' handled by forcing immediate reduce to
5664 the previous '('. New error messages.
5666 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5668 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5669 part', it's already in use. Use %K instead. Add a return at the
5670 end of what is now %K.
5671 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5673 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5675 * builtins.c (expand_builtin_apply): Pass proper parameters to
5676 allocate_dynamic_stack_space.
5677 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5678 update stack_pointer_delta; do not update arg_size_so_far.
5679 (compute_argument_block_size): Use stack_delta instead of
5680 stack_pointer_pending and arg_size_so_far.
5681 (expand_call): Add sanity checking for stack_pointer_delta;
5682 save and restore stack_pointer_delta for SIB, use
5683 stack_pointer_delta for alignment; do not update arg_space_so_far.
5684 (emit_library_call_value): Use stack_pointer_delta for alignment.
5685 (store_one_arg): Do not update arg_space_so_far.
5686 * explow.c (adjust_stack, anti_adjust_stack): Update
5687 stack_pointer_delta.
5688 (allocate_dynamic_stack_space): Add sanity checking for
5689 stack_pointer_delta.
5690 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5691 stack_pointer_delta.
5692 (emit_push_insn): Update stack_pointer_delta.
5693 * function.h (struct expr_status): Add x_stack_pointer_delta;
5694 remove x_arg_space_so_far.
5695 (arg_space_so_far): Remove.
5696 (stack_pointer_delta): New macro.
5698 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5700 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5701 Reorder struct cpp_options and struct cpp_reader for better
5702 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5703 takes two args. Change all 'char' flags to 'unsigned char'.
5704 Move show_column flag into struct cpp_options. Don't
5705 prototype cpp_options_init.
5706 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5707 cppinit.c, cpplex.c, cpplib.c:
5708 Replace CPP_OPTIONS (pfile)->whatever with
5709 CPP_OPTION (pfile, whatever), and likewise for
5710 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5712 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5713 Extract CPP_OPTION (pfile, pending) and work with that
5715 (cpp_options_init): Delete.
5716 (cpp_reader_init): Turn on on-by-default options here.
5717 Allocate the pending structure here.
5718 (cl_options, enum opt_code): Define these from the same table,
5719 kept in a large macro. Add -fshow-column and -fno-show-column
5722 * cpperror.c (v_message): If show_column is off, don't print
5725 * cppmain.c: Update for new interface.
5726 * fix-header.c: Likewise.
5728 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5730 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5732 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5733 are passed to any invocation of AR_FOR_TARGET.
5734 (AR_CREATE_FOR_TARGET): New macro.
5735 (AR_EXTRACT_FOR_TARGET): New macro.
5736 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5737 AR_EXTRACT_FOR_TARGET.
5738 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5739 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5740 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5741 AR_EXTRACT_FOR_TARGET to sub-makes.
5743 2000-03-31 Neil Booth <NeilB@earthling.net>
5745 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5747 (_cpp_parse_expr): Check for multiple unary +/- operators.
5748 Correct priorities of ':' and '?'. Treat ')' as having a
5749 value. Ensure conditional expression is not void.
5751 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5753 * alias.c (canon_rtx): Make it global.
5754 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5756 * cse.c (struct table_elt): Add canon_exp.
5758 (invalidate): Canonicalize expressions only once.
5759 * rtl.h (canon_rtx): Declare.
5761 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5763 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5764 * alias.c (reg_known_value): Add comments.
5765 (init_alias_analysis): Likewise.
5766 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5768 (cse_basic_block): Fix typo in comment.
5769 * emit-rtl.c: Include hashtab.h.
5770 (const_int_htab): New variable.
5771 (const_int_htab_hash): New function.
5772 (const_int_htab_eq): Likewise.
5773 (rtx_htab_mark_1): Likewise.
5774 (rtx_htab_mark): Likewise.
5775 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5776 (unshare_all_rtx): Fix formatting.
5777 (init_emit_once): Initialize const_int_htab.
5778 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5780 * rtl.texi: Document the fact that all CONST_INTs with the same
5783 2000-03-30 Richard Henderson <rth@cygnus.com>
5785 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5787 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5789 * configure.in: Comment out --enable-c-cpplib stanza.
5790 * configure: Regenerate.
5792 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5794 * expr.c (store_constructor): Properly compute displacement and
5795 alignment when offset is variable.
5797 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5798 cases of alignment in bytes.
5800 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5802 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5803 since it is used to generate c-parse.y.
5804 * objc-parse.c, objc-parse.y: Regenerated.
5806 * function.c (expand_function_end): Pass alignment argument to
5807 emit_block_move in bits, not bytes.
5809 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5811 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5814 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5816 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5817 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5818 * function.c (assign_parms): Likewise.
5819 * integrate.c (expand_inline_function): Likewise.
5820 * stmt.c (expand_decl): Likewise.
5821 (copy_rtx_and_substitute): Likewise.
5822 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5823 (clear_by_pieces): Fix error in last change.
5824 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5825 * function.h (regno_pointer_align): Now unsigned.
5826 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5828 * config/i386/i386.c (aligned_operand): Likewise.
5829 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5830 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5831 (unaligned_memory_operand): Likewise.
5832 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5833 Also make alignments and sizes unsigned and some whitespace cleanup.
5834 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5836 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5837 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5838 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5839 (expand_builtin_memset): Likewise, but to clear_storage.
5840 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5841 (restore_fixed_argument_area): Likewise.
5842 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5843 (load_register_parameters): Likewise, to emit_group_load.
5844 (expand_call): Likewise, to emit_group_store and emit_block_move.
5845 (emit_library_call_value_1): Likewise, to emit_block_move.
5846 (store_one_arg): Likewise, and to emit_push_insn.
5847 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5848 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5849 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5850 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5851 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5852 (expand_assigment, store_expr, store_constructor_field): Likewise.
5853 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5854 (store_constructor, store_field, get_inner_reference): Likewise.
5855 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5856 (expand_expr, case COMPONENT_REF): Likewise.
5857 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5858 and positions; reindent code.
5859 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5860 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5861 (assign_parms): Likewise to emit_group_store.
5862 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5863 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5864 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5865 (expand_return): Likewise to {extract,store}_bit_field.
5866 * stor-layout.c (get_mode_alignment): Minor cleanup.
5867 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5868 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5870 2000-03-29 Nick Clifton <nickc@cygnus.com>
5872 * config/arm/arm.h: Undo effects of previous delta:
5873 (ASM_SPEC): Do not define.
5874 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5876 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5879 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5881 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5882 only after reading in the primary source file.
5884 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5886 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5887 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5888 or a reference to a va_list.
5889 * builtins.c (stabilize_va_list): Simplify now we don't have to
5890 work around C array address decay.
5891 * c-typeck.c (convert_for_assignment): Handle assignment to
5892 a reference parameter by taking the address of the RHS.
5893 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5894 (va_copy): Likewise.
5895 (__va_copy): Likewise.
5896 * ginclude/varargs.h (va_start): Likewise.
5897 (__va_copy): Likewise.
5899 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5901 * i386/djgpp.h: Remove extraneous "+".
5903 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5905 * calls.c (expand_call): Fix typo in last change.
5907 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5909 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5912 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5914 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5915 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5916 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5917 * tree.c (bit_position, byte_position): Likewise.
5918 * tree.h: Declare new functions.
5920 2000-03-29 Nick Clifton <nickc@cygnus.com>
5922 * config/arm/arm.c: Minor formatting changes/
5923 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5925 (ASM_SPEC): Define if not already defined.
5927 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5929 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5932 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5934 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5935 value, don't output it as unsigned.
5937 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5939 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5941 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5943 * c-common.c (c_common_nodes_and_builtins): Don't special case
5944 cplus_mode when declaring builtin bzero/bcmp, always avoid
5945 prototype arguments.
5947 2000-03-29 Bruce Korb <bkorb@gnu.org>
5949 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5952 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5954 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5955 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5956 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5957 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5958 (save_fixed_argument_area, restore_fixed_argument_area):
5959 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5960 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5961 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5962 (precompute_register_parameters): Avoid #ifdefs on
5963 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5964 (stire_one_args): Likewise.
5965 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5966 (emit_library_call_value_1): Likewise.
5967 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5968 ACCUMULATE_OUTGOING_ARGS.
5969 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5971 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5972 (use_crosses_set_p): Likewise.
5973 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5974 #define ACCUMULATE_OUTGOING_ARGS 1.
5975 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5977 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5979 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5980 (TARGET_SWITCHES): Add push-args, no-push-args,
5981 accumulate-outgoing-args and no-accumulate-outgoing-args.
5982 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5983 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5984 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5986 (emit_push_insn): Likewise.
5987 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5988 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5989 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5990 (STACK_DYNAMIC_OFFSET): Define correctly for both
5991 ACCUMULATE_OUTGOING_ARGS and normal mode.
5992 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5993 * tm.texi (PUSH_ARGS): Document.
5994 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5996 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5998 * flags.h (flag_optimize_sibling_calls): Declare.
5999 * calls.c (expand_call): Fail sibcall when
6000 !flag_optimize_sibling_calls
6001 * invoke.texi (flag_optimize_sibling_calls): Document.
6002 * toplev.c (flag_optimize_sibling_calls): New global variable.
6003 (f_options): Add flag_optimize_sibling_calls.
6004 (rest_of_compilation): Conditionize
6005 optimize_sibling_and_tail_recursive_calls by
6006 flag_optimize_sibling_calls.
6007 (main): Set flag_optimize_sibling_calls for -O2.
6008 * stmt.c (expand_return): Conditionize tail recursion by
6009 flag_optimize_sibling_calls.
6011 2000-03-29 Richard Henderson <rth@cygnus.com>
6013 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6014 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6016 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6018 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6020 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6022 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6024 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6025 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6026 * config/rs6000/aix.h: then modified likewise.
6028 2000-03-28 Richard Henderson <rth@cygnus.com>
6030 * rtl.h: Redistribute enum reg_note documentation.
6031 Kill trailing whitespace.
6032 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6033 Kill trailing whitespace.
6035 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6037 * cppfiles.c (hash_IHASH): Just return i->hash.
6038 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6039 htab_find_with_hash.
6040 (cpp_read_file): Likewise.
6041 (find_include_file): Likewise. Properly initialize
6042 ih->nshort. Share ih->name and ih->nshort if possible.
6043 * cpphash.c (_cpp_calc_hash): New function.
6044 (hash_HASHNODE): Just return h->hash.
6045 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6046 htab_find_with_hash.
6047 * cpphash.h: Prototype _cpp_calc_hash.
6048 * cppinit.c (initialize_builtins): Provide a valid hash
6049 to _cpp_make_hashnode, using _cpp_calc_hash.
6051 * cpphash.c (collect_expansion): # is not a special character
6052 in object-like macros. In -traditional mode, /**/ is not
6053 token paste at the beginning or end of the line.
6054 * cpplib.c (do_include, do_import, do_include_next): If
6055 parse_include fails, return immediately.
6057 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6059 * config/arm/arm.md (return peepholes): Update to reflect the new
6061 * config/arm/arm.c (arm_volatile_func): Also check
6062 current_function_nothrow.
6063 (output_return_instruction, output_func_prologue): Use it.
6064 (arm_output_epilogue, arm_expand_prologue): Likewise.
6066 2000-03-27 Tom Tromey <tromey@cygnus.com>
6068 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6071 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6073 * expr.c (store_constructor): SIZE now signed.
6074 For EXPR_SIZE, don't evaluate size; just needed if constant.
6075 * fold-const.c (fold): Fix a number of cases when folded tree is
6077 * function.c (flush_addressof): Reenable.
6078 * tree.h (flush_addressof): Likewise.
6079 * toplev.c (independent_decode_option): Look at strings_processed.
6080 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6082 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6084 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6085 Allow stack adjustment after function call.
6087 * regmove.c (struct csa_memlist): Make mem field rtx *.
6088 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6089 (try_apply_stack_adjustment): Replace whole MEM rtx.
6090 (combine_stack_adjustments_for_block): Update calls
6091 to record_one_stack_ref.
6093 2000-03-28 Neil Booth <NeilB@earthling.net>
6095 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6096 '\\' rather than a null character, so nulls are not special. Fix
6097 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6098 speed trigraph conversion.
6099 (_cpp_init_input_buffer): Initialize trigraph map.
6101 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6103 * config/i386/i386.c (output_387_binary_op): Correct intel
6104 mode assembly output, and add spaces after commas in AT&T
6105 output. Correct Unixware assembler comment. Document input
6106 constraints. Comment fp operations. Reduce profligate buffer
6107 size. Remove extraneous abort. Localize temp var.
6108 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6109 (output_fix_trunc): Add spaces after commas in assembly output.
6111 2000-03-27 Richard Henderson <rth@cygnus.com>
6113 * i386-protos.h (ix86_match_ccmode): Declare.
6114 * i386.c (ix86_match_ccmode): New.
6115 (ix86_expand_fp_compare): Update for pattern renames.
6116 (ix86_expand_strlensi_unroll_1): Likewise.
6117 * i386.h (EXTRA_CC_MODES): Add CCZ.
6118 (SELECT_CC_MODE): Use it for EQ/NE zero.
6119 * i386.md (cmpsi_ccz_1): New.
6121 (*testsi_ccz_1): New.
6122 (testqi_ccz_1): New.
6123 (cmpsi_ccno_1): Rename from cmpsi_0.
6124 (testsi_ccno_1): Rename from testsi_1.
6125 (testqi_ccno_1): Rename from testqi_1.
6126 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6127 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6128 (*cmphi_0): Use ix86_match_ccmode.
6129 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6130 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6131 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6132 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6133 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6134 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6135 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6136 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6137 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6138 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6139 (appropriate peepholes): Likewise.
6140 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6141 (*subsi_3, *subhi_3, *subqi_3): Remove.
6142 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6143 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6144 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6145 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6146 (x86_shift_adj_1): Use CCZ.
6147 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6149 2000-03-27 Stan Cox <scox@cygnus.com>
6151 * resource.h (mark_resource_type): New.
6152 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6153 find_free_register): Use mark_resource_type.
6154 (mark_set_resources): Change include_delayed_effects
6155 to mark_resource_type.
6156 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6157 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6158 Use mark_resource_type.
6160 2000-03-27 Richard Henderson <rth@cygnus.com>
6162 * i386.md (call_pop_0, call_value_pop_0): New.
6163 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6164 (call_value_pop_1): Likewise.
6165 (call_0, call_value_0): New.
6166 (call_1, call_value_1): Remove constraint from unused arg.
6168 2000-03-27 Nick Clifton <nickc@cygnus.com>
6170 * invoke.texi (Spec Files): Document new spec % command created by
6171 Tom Tromey's recent patch.
6173 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6175 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6178 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6180 * expr.c (expand_assignment): Fix typo in last change.
6182 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6184 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6186 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6187 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6188 and DECL_INLINE if FUNCTION_DECL.
6189 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6190 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6191 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6192 (combine_parm_decls): Likewise.
6193 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6194 * print-tree.c (print_node): Likewise.
6195 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6196 DECL_TRANSPARENT_UNION on proper decl types.
6197 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6198 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6199 DECL_BIT_FIELD of FIELD_DECL.
6200 * tree.h (DECL_RESULT_FLD): New macro.
6202 * expr.c (expand_assignment): Add code to handle variable-sized
6205 2000-03-26 Richard Henderson <rth@cygnus.com>
6207 * calls.c (expand_call): Pass parms not original exp to
6208 optimize_tail_recursion. Mind return value instead of looking
6210 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6211 call_expr. Move checks for call_expr and current_function_decl ...
6212 (expand_return): ... here.
6214 2000-03-26 Tom Tromey <tromey@cygnus.com>
6216 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6217 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6219 (process_command): Use them.
6220 (check_live_switch): Likewise.
6221 (give_switch): Skip ignored switches.
6223 2000-03-26 Jan Hubicka <jh@suse.cz>
6225 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6226 for minimal jump pass test.
6228 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6230 * integrate.c (function_cannot_inline_p): Do inline functions that
6233 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6235 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6236 now a list of TREE_LIST entries, not types.
6237 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6239 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6240 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6242 * config/mips/mips.c (function_arg): Likewise; also remove cast
6243 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6244 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6245 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6246 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6247 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6248 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6249 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6250 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6251 num_adjusts now unsigned.
6252 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6253 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6255 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6256 as is BITPOS variable; use host_integerp and int_bit_position.
6257 (function_arg_record_value_2): Likewise.
6258 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6259 Variable REGNO now unsigned.
6260 (function_arg_record_value): NREGS now unsigned.
6262 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6264 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6266 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6268 * Rework fields used to describe positions of bitfields and
6269 modify sizes to be unsigned and use HOST_WIDE_INT.
6270 * alias.c (reg_known_value_size): Now unsigned.
6271 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6272 (really_start_incremental_init): Use bitsize_zero_node.
6273 (push_init_level, pop_init_level, output_init_element): Likewise.
6274 Use bitsize_unit_node and bitsize_one_node.
6275 (output_pending_init_elements, process_init_element): Likewise.
6276 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6277 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6278 HOST_WIDE_INT, respectively.
6279 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6280 (num_sign_bit_copies): Returns unsigned.
6281 BITWIDTH now unsigned; rework arithmetic.
6282 Remove recursive call from arg to MAX.
6283 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6284 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6286 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6287 (find_split_point, expand_compound_operation, make_extraction): LEN
6288 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6289 (make_field_assignment): Likewise.
6290 (combine_simplify_rtx): Add cast.
6291 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6292 (force_to_mode): WIDTH now unsigned; add cast.
6293 (if_then_else_cond): SIZE now unsigned.
6294 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6295 (extended_count): Now returns unsigned.
6296 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6297 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6298 (simplify_comparison): MODE_WIDTH now unsigned.
6299 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6300 (mark_used_regs_combine): Likewise; rework arithmetic.
6301 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6302 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6303 (record_promoted_value): REGNO now unsigned.
6304 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6305 (get_last_value): REGNO now unsigned.
6306 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6307 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6308 (remove_death): Arg REGNO now unsigned.
6309 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6310 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6312 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6313 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6314 (struct cse_reg_info): REGNO now unsigned.
6315 (cached_regno): Now unsigned.
6316 (REGNO_QTY_VALID_P): Add cast.
6317 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6318 (remove_invalid_regs): Likewise.
6319 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6320 as are variables END and I.
6321 (get_cse_reg_info, insert): Likewise.
6322 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6323 (canon_hash): Likewise.
6324 (insert_regs, lookup_for_remove): REGNO now unsigned.
6325 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6327 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6328 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6329 * emit-rtl.c (subreg_realpart_p): Add cast.
6330 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6331 (operand_subword_force): Arg I is now unsigned.
6332 * except.c (eh_regs): Variable I is now unsigned.
6333 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6334 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6335 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6336 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6337 (extract_split_bit_field, store_bit_field, extract_bit_field):
6339 * expr.c (store_constructor_fields, store_constructor, store_field):
6340 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6341 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6342 (do_jump): Likewise.
6343 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6344 MAX_SIZE is now unsigned.
6345 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6346 (emit_group_store): Likewise.
6347 (emit_move_insn): I now unsigned.
6348 (store_constructor): Use host_integerp, tree_low_cst, and
6350 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6351 Rework all calculations to use trees and new fields.
6352 * expr.h (promoted_input_arg): Regno now unsigned.
6353 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6354 (mark_seen_cases): Arg is HOST_WIDE_INT.
6355 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6356 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6357 precisions and alignments are unsigned.
6358 (optimize_bit_field_compare, fold_truthop): Likewise.
6359 (int_const_binop): Adjust threshold for size_int_type_wide call.
6360 (fold_convert): Likewise.
6361 (size_int_type_wide): Make table larger and fix thinko that only
6362 had half of table used.
6363 (all_ones_mask_p, fold): Precisions are unsigned.
6364 * function.c (put_reg_info_stack): REGNO is unsigned.
6365 (instantiate_decl): Size is HOST_WIDE_INT.
6366 (instantiate_virtual_regs): I is unsigned.
6367 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6368 (promoted_input_arg): REGNO is unsigned.
6369 * function.h (struct function): x_max_parm_reg is now unsigned.
6370 * gcse.c (max_gcse_regno): Now unsigned.
6371 (struct null_pointer_info): min_reg and max_reg now unsigned.
6372 (lookup_set, next_set): REGNO arg now unsigned.
6373 (compute_hash_table): REGNO and I now unsigned.
6374 (handle_avail_expr): regnum_for_replacing now unsigned.
6375 (cprop_insn): REGNO now unsigned.
6376 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6377 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6378 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6379 * hard-reg-set.h (reg_class_size): Now unsigned.
6380 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6381 * jump.c (mark_modified_reg): I now unsigned; add cast.
6382 (rtx_equal_for_thread_p): Add cast.
6383 * loop.c (max_reg_before_loop): Now unsigned.
6384 (struct_movable): REGNO now unsigned.
6385 (try_copy_prop): REGNO arg unsigned.
6386 (regs_match_p): XN and YN now unsigned.
6387 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6388 (strength_reduce): Likewise; NREGS also unsigned.
6389 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6390 * loop.h (struct iv_class): REGNO now unsigned.
6391 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6393 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6394 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6395 * optabs.c (expand_binop): I and NWORDS now unsigned.
6396 (expand_unop): I now unsigned.
6397 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6398 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6399 * real.c (significand_size): Now returns unsigned.
6400 * real.h (significand_size): Likewise.
6401 * regclass.c (reg_class_size): Now unsigned.
6402 (choose_hard_reg_mode): Both operands now unsigned.
6403 (record_reg_classes): REGNO and NR now unsigned.
6404 (reg_scan): NREGS now unsigned.
6405 (reg_scan_update): old_max_regno now unsigned.
6406 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6407 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6408 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6409 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6410 Likewise for variable R.
6411 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6412 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6413 (find_equiv_reg): Add casts.
6414 (regno_clobbered_p): Arg REGNO now unsigned.
6415 * reload.h (struct reload): NREGS now unsigned.
6416 (refers_to_regno_for_reload_p): Regno args are unsigned.
6417 (regno_clobbered_p): Likewise.
6418 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6419 (compute_use_by_pseudos): REGNO now unsigned.
6420 (find_reg): I and J now unsigned, new variable K, and change loop
6421 variables accordingly; THIS_NREGS now unsigned.
6422 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6423 (spill_hard_reg): REGNO arg now unsigned; add casts.
6424 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6425 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6426 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6427 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6428 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6429 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6430 (emit_reload_insns): REGNO now unsigned.
6431 (reload_cse_move2add): Add cast.
6432 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6434 * resource.c (mark_referenced_resources, mark_set_resources): New
6435 variable R; REGNO and LAST_REGNO now unsigned.
6436 (mark_target_live_regs): J and REGNO now unsigned.
6437 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6438 * rtl.h (union rtunion_def): New field rtuint.
6439 (XCUINT): New macro.
6440 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6441 (operand_subword, operand_subword_force): Word number is unsigned.
6442 (choose_hard_reg_mode): Operands are unsigned.
6443 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6444 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6445 (regno_use_in, combine_instructions, remove_death): Likewise.
6446 (reg_scan, reg_scan_update): Likewise.
6447 (extended_count): Return is unsigned.
6448 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6449 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6450 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6451 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6452 (reg_reg_last_1): FIRS and LAST now unsigned.
6453 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6454 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6456 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6457 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6458 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6459 (replace_regs): Arg NREGS now unsigned.
6460 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6461 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6462 (simplify_binary_operation): Likewise.
6463 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6464 THIS_LAST now unsigned.
6465 (cselib_record_set): Add cast.
6466 * ssa.c (ssa_max_reg_num): Now unsigned.
6467 (rename_block): REGNO now unsigned.
6468 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6470 (all_cases_count): Just return -1 not -2.
6471 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6472 Rework tests to use trees whenever possible.
6473 Use host_integerp and tree_low_cst.
6474 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6475 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6476 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6477 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6478 (smallest_mode_for_size): Likewise.
6479 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6480 KNOWN_ALIGN is now an alignment, so simplify code.
6481 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6482 (start_record_layout): Renamed from new_record_layout_info.
6483 Update to new fields.
6484 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6486 (place_union_field): Renamed from layout_union_field.
6487 Update to use new fields in rli.
6488 (place_field): Renamed from layout_field.
6489 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6490 (finalize_record_size): Rework to use new fields in rli and handle
6492 (compute_record_mode): Rework to simplify and to use new DECL fields.
6493 (finalize_type_size): Make rounding more consistent.
6494 (finish_union_layout): Deleted.
6495 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6496 (layout_type, case RECORD_TYPE): Call new function names.
6497 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6498 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6499 (get_best_mode): UNIT is now unsigned; remove casts.
6500 * tree.c (bit_position): Compute from new fields.
6501 (byte_position, int_byte_position): New functions.
6502 (print_type_hash_statistics): Cast to remove warning.
6503 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6504 (build_index_type): Likewise; make subtype of sizetype.
6505 (build_index_2_type): Pass sizetype to build_range_type.
6506 (build_common_tree_nodes): Use size_int and bitsize_int to
6507 initialize nodes; add bitsize_{zero,one,unit}_node.
6508 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6509 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6510 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6511 (DECL_FIELD_BITPOS): Deleted.
6512 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6513 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6514 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6515 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6516 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6517 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6518 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6519 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6520 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6521 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6522 (DECL_ALIGN): Adjust to new field in union.
6523 (DECL_OFFSET_ALIGN): New field.
6524 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6525 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6526 (union tree_decl): Add struct for both aligns.
6527 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6528 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6529 (struct record_layout_info): Rework fields to have offset
6530 alignment and byte and bit position.
6531 (start_record_layout, place_field): Renamed from old names.
6532 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6533 (byte_position, int_byte_position): Likewise.
6534 (get_inner_reference): Change types of position and length.
6535 * unroll.c (unroll_loop): New variable R; use for some loops.
6536 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6537 (calculate_giv_inc): Arg REGNO now unsigned.
6538 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6539 * varasm.c (assemble_variable): Clean up handling of size using
6540 host_integerp and tree_low_cst.
6541 (decode_addr_const): Use byte, not bit, position.
6542 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6543 use tree_low_cst and int_bit_position.
6544 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6546 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6548 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6549 (reorder_block_def): New members eff_head and eff_end.
6550 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6551 (verify_insn_chain): New function.
6552 (skip_insns_between_block): Add code to skip deleted insns.
6553 Check for note before using.
6554 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6555 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6556 Check for note before using.
6557 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6558 (fixup_reorder_chain): Restructure, clean up, defect removal.
6559 (reorder_basic_blocks): Remove last_insn and references to it.
6560 Moved insn chain verification code into a new function (see above).
6561 Delete defective code that sets last insn.
6562 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6565 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6567 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6569 2000-03-24 Richard Henderson <rth@cygnus.com>
6571 * tree.c (lang_safe_for_unsave): Remove.
6572 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6573 allowing for two levels of unsafeness. Remove lang hook.
6574 * tree.h: Update declarations.
6575 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6576 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6577 Always fail sibcalls when there are pending cleanups.
6579 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6581 * flow.c (propagate_block): When we delete an ADDR_VEC,
6582 also delete the BARRIER following it if there is one.
6584 2000-03-24 Richard Henderson <rth@cygnus.com>
6586 * builtins.c (expand_builtin_bzero): Convert `length' argument
6589 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6591 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6592 comparison if regno's are equal.
6593 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6594 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6595 (expand_call): Update caller.
6596 Avoid making a sibling call if argument size of the callee is larger
6597 than argument size of the caller.
6598 Call hard_function_value with outgoing set if in sibcall pass.
6599 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6601 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6602 Change LEAF_REGISTERS from an array initializer to actual array
6603 identifier. Move static global variable into the function.
6604 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6605 sequences for leaf functions.
6606 * global.c (global_alloc): Likewise.
6607 * tm.texi (LEAF_REGISTERS): Update documentation.
6609 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6610 TARGET_FLAT leaf disabling hack.
6611 (LEAF_REGISTERS): Changed from an array initializer to actual array
6612 identifier to avoid duplication and remove the above hack.
6613 (FUNCTION_OK_FOR_SIBCALL): Define.
6614 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6615 always like call attribute.
6616 (eligible_for_sibcall_delay): New attribute.
6617 (sibcall): New delay type.
6618 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6619 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6620 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6621 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6622 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6624 (output_function_epilogue): Move part of the code into
6625 output_restore_regs.
6626 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6628 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6631 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6632 until infrastructure is finished.
6634 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6636 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6637 (save_parm_insns): Not here.
6639 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6641 * builtins.c (expand_builtin_bzero): New function.
6642 (expand_builtin): Handle bzero.
6644 * builtins.def: Add BUILT_IN_BZERO.
6646 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6647 prototype & function for bzero.
6649 2000-03-23 Michael Meissner <meissner@redhat.com>
6651 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6652 change adding TARGET_FP to the TF floating point insns, except for
6653 trunctfsf2, which generates direct calls to truncdfsf2.
6655 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6657 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6658 try to protect against middle-end changes that break binary
6660 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6662 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6664 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6666 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6668 * calls.c (expand_call): If TARGET is passed by reference and
6669 is readonly, write a CLOBBER.
6671 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6673 * builtins.c (expand_builtin): Handle bcmp.
6675 * builtins.def: Add BUILT_IN_BCMP.
6677 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6678 prototype & function for bcmp.
6680 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6682 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6683 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6684 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6686 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6688 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6689 alternative when using -fp64 -gp32.
6691 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6693 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6694 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6695 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6697 * frame.h (frame_state): Revert last change.
6698 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6699 * libgcc2.c (throw_helper): Revert last change.
6701 2000-03-22 Richard Henderson <rth@cygnus.com>
6703 * stmt.c (expand_asm_operands): Don't promote the temporary.
6705 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6707 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6708 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6709 c_get_alias_set): Likewise.
6710 * c-decl.c (duplicate_decls): Likewise.
6711 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6712 * calls.c (initialize_argument_information): Likewise.
6713 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6715 * dwarfout.c (decl_class_context,output_type): Likewise.
6716 * expr.c (get_inner_reference): Likewise.
6717 * fold-const.c (simple_operand_p,fold): Likewise.
6718 * function.c (aggregate_value_p): Likewise.
6719 * stmt.c (expand_asm_operands): Likewise.
6720 * varasm.c (named_section): Likewise.
6722 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6724 Implement dwarf2 exception handling for the ARM.
6725 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6726 (DWARF_FRAME_RETURN_COLUMN): Define.
6727 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6728 REG_FRAME_RELATED_EXPR note.
6729 (emit_sfm): Likewise.
6730 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6731 * dwarf2out.c (reg_save): Handle saving a register to itself.
6732 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6733 * except.c (eh_regs): Don't use the static chain reg if it's
6735 * frame.h (frame_state): Add cfa_saved field.
6736 * frame.c (execute_cfa_insn): Set it.
6737 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6739 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6741 (instantiate_virtual_regs): Adjust.
6743 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6744 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6745 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6747 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6748 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6750 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6752 * builtins.def: New file.
6754 * Makefile.in (TREE_H): Depend on builtins.def.
6756 * builtins.c (built_in_names): Use builtins.def.
6758 * tree.h (built_in_function): Likewise.
6760 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6762 * tree.c (size_in_bytes): Return size_zero_node, not
6765 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6767 * config/fp-bit.c (pack_d): Correct the case when a denormal
6768 is rounded up and stops being denormal.
6770 2000-03-21 Richard Henderson <rth@cygnus.com>
6772 * config/alpha/alpha.c (function_arg): Check for void_type_node
6773 before using MUST_PASS_IN_STACK.
6775 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6777 * regmove.c (combine_stack_adjustments_for_block): Check that
6778 the stack pointer is a valid memory address.
6780 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6782 * calls.c: re-install Mar 16 emit_library_call merge.
6784 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6786 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6787 we cannot be sure that if reload_completed base register will
6788 be properly aligned.
6790 2000-03-21 Richard Henderson <rth@cygnus.com>
6792 * flow.c (delete_block): Fix typo last change.
6794 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6796 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6797 not COMPLETE_TYPE_P, to check the type of the expression.
6799 2000-03-21 Michael Meissner <meissner@redhat.com>
6801 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6802 all floating point insns that just tested the macro
6803 TARGET_HAS_XFLOATING_LIBS.
6804 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6805 used to only use the gprs.
6807 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6809 * tree.h (COMPLETE_TYPE_P): New macro.
6810 (COMPLETE_OR_VOID_TYPE_P): New macro.
6811 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6812 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6813 * c-aux-info.c (gen_type): Use them.
6814 * c-common.c (c_expand_expr_stmt): Likewise.
6815 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6816 grokdeclarator, grokparms, finish_struct, start_function,
6817 store_parm_decls, combine_parm_decls): Likewise.
6818 * c-parse.y (cast_expr): Likewise.
6819 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6820 c_size_in_bytes, c_alignof, build_component_ref,
6821 build_indirect_ref, build_array_ref, convert_arguments,
6822 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6823 * calls.c (initialize_argument_information): Likewise.
6824 * convert.c (convert_to_integer): Likewise.
6825 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6826 * dwarfout.c (location_or_const_value_attribute,
6827 output_enumeration_type_die, output_structure_type_die,
6828 output_union_type_die, output_type): Likewise.
6829 * expr.c (safe_from_p, expand_expr): Likewise.
6830 * function.c (assign_parms): Likewise.
6831 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6832 * tree.c (build_array_type, build_function_type,
6833 build_method_type, build_offset_type, build_complex_type): Likewise.
6834 * c-parse.c, c-parse.h: Regenerated.
6836 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6838 * config/c4x/rtems.h: Include config/rtems.h.
6840 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6842 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6843 decl is a FUNCTION_DECL
6845 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6847 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6848 function uses output registers. Don't save RP for leaf functions.
6849 Do save RP even if no epilogue.
6850 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6851 (CALL_USED_REGISTERS): Unmark in registers.
6852 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6855 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6857 * config/rs6000/rs6000.md (bunordered): New expander.
6858 (bordered): New expander.
6859 (buneq): New expander.
6860 (bunge): New expander.
6861 (bungt): New expander.
6862 (bunle): New expander.
6863 (bunlt): New expander.
6864 (bltgt): New expander.
6866 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6867 (ccr_bit_negated_p): New function.
6868 (print_operand): For %C, generate appropriate cror for UNEQ,
6869 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6871 2000-03-20 Andreas Jaeger <aj@suse.de>
6873 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6876 * tree.h (safe_for_unsave): Prototype.
6878 2000-03-20 Richard Henderson <rth@cygnus.com>
6880 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6881 (combine_stack_adjustments_for_block): Don't allow sp references
6882 in the side of a set we're not fixing up.
6883 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6884 after life_analysis.
6886 2000-03-20 Richard Henderson <rth@cygnus.com>
6888 * calls.c (expand_call): Don't bother generating tail call
6889 sequences if there are pending cleanups. Use
6890 expand_start_target_temps/expand_end_target_temps to elide
6891 cleanups created during sibcall expansion.
6893 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6895 * configure.in: Set $IFS to a value if it doesn't already have one
6896 in the --enable-checking handling.
6897 * configure: Regenerate.
6899 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6901 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6902 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6905 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6907 * jump.c (delete_noop_moves): Remove code attempting to
6908 combine stack adjustments.
6910 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6912 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6913 * except.c (emit_cleanup_handler): Use them.
6914 (expand_end_all_catch): Likewise.
6915 * function.c (fixup_var_refs): Likewise.
6916 (expand_function_end): Clear catch_clauses_last.
6917 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6918 * except.h (struct eh_status): New field x_catch_clauses_last.
6919 (catch_clauses_last): New define.
6921 * Makefile.in (tree.o): Depend on HASHTAB_H.
6922 * tree.c: Include hashtab.h.
6923 (struct type_hash): Remove next field.
6924 (TYPE_HASH_SIZE): Remove.
6925 (TYPE_HASH_INITIAL_SIZE): New define.
6926 (type_hash_table): Change type to htab_t.
6927 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6928 mark_hash_entry): New functions.
6929 (init_obstacks): Allocate type hash.
6930 (type_hash_lookup): Use htab functions.
6931 (type_hash_add, mark_type_hash): Likewise.
6932 (dump_tree_statistics): Call print_type_hash_statistics.
6934 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6936 * rs6000/t-aix41: New file.
6938 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6940 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6942 * tm.texi (Driver): Fix typos and tweak entry for
6944 Move misplaced STRUCT_FORCE_BLK entry ...
6945 (Storage Layout): ... to here.
6946 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6948 2000-03-19 Richard Henderson <rth@cygnus.com>
6950 * flow.c (delete_block): Delete the addr_vec along with the block.
6951 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6954 * fold-const.c (extract_muldiv): Apply type check for defined
6955 overflow to multiply as well as divide.
6957 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6959 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6961 * emit-rtl.c (remove_unncessary_notes): Check that all
6962 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6963 associated NOTE_BLOCK.
6964 * function.h (identify_blocks): Update comments.
6965 (reorder_blocks): Declare.
6966 * function.c (identify_blocks): Don't take paramters.
6967 (reorder_blocks): Don't take parameters.
6968 * loop.h (find_loop_tree_blocks): Remove.
6969 (unroll_block_trees): Likewise.
6970 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6971 reorder_blocks instead of unroll_block_trees.h
6972 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6973 * stmt.c (find_loop_tree_blocks): Remove.
6974 (unroll_block_trees): Likewise.
6975 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6976 in whole-function mode.
6977 * tree.h (reorder_blocks): Remove declaration.
6979 * expr.c: Include intl.h.
6980 * Makefile.in (expr.o): Depend on intl.h.
6982 2000-03-18 Richard Henderson <rth@cygnus.com>
6984 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6986 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6988 * tree.h (tree_index): Remove enumerals for integer types.
6989 (integer_type_kind): New type.
6990 (integer_types): New variable.
6991 (char_type_node): Adjust.
6992 (signed_char_type_node): Likewise.
6993 (unsigned_char_type_node): Likewise.
6994 (short_integer_type_node): Likewise.
6995 (short_unsigned_type_node): Likewise.
6996 (integer_type_node): Likewise.
6997 (unsigned_type_node): Likewise.
6998 (long_integer_type_node): Likewise.
6999 (long_unsigned_type_node): Likewise.
7000 (long_long_integer_type_node): Likewise.
7001 (long_long_unsigned_type_node): Likewise.
7002 * tree.c (integer_types): New variable.
7003 (init_obstacks): Register it as a root.
7005 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7007 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7008 NEXT_INSN. Update last insn in chain.
7010 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7012 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7013 with TYPE_DECL_SUPPRESS_DEBUG set.
7015 2000-03-18 Richard Henderson <rth@cygnus.com>
7017 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7019 2000-03-18 Richard Henderson <rth@cygnus.com>
7021 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7022 care for HALF_PIC_P.
7023 (expander_call_insn_operand): Remove.
7024 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7025 * i386.h (PREDICATE_CODES): Update.
7026 * i386.md (all call expanders): Remove predicates, remove special
7027 handling for half-pic.
7028 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7029 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7030 (sibcall_epilogue): New.
7032 2000-03-17 Richard Henderson <rth@cygnus.com>
7034 * rtlanal.c (single_set): Reject if the parallel has anything
7035 except SET or USE or CLOBBER.
7037 2000-03-17 Jeff Law <law@cygnus.com>
7038 Richard Henderson <rth@cygnus.com>
7040 * Makefile.in (OBJS): Add sibcall.o.
7042 * sibcall.c: New file.
7043 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7044 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7045 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7046 Emit sibcall patterns when requested. Update all callers.
7047 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7048 elimination seems feasable.
7049 * final.c (leaf_function_p): Sibling calls don't discount being
7051 * flow.c (HAVE_sibcall_epilogue): Provide default.
7052 (find_basic_blocks_1): Sibling calls don't throw.
7053 (make_edges): Make edge from sibling call to EXIT.
7054 (propagate_block): Don't remove sibcall_epilogue insns.
7055 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7056 (sibcall_epilogue): New.
7057 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7058 (identify_blocks_1): Likewise. Break out from ...
7059 (identify_blocks): ... here.
7060 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7061 (reorder_blocks): ... here.
7062 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7063 (record_insns): Extend a varray instead of mallocing new memory.
7064 (contains): Read a varray not array of ints.
7065 (sibcall_epilogue_contains): New.
7066 (thread_prologue_and_epilogue_insns): Emit and record
7067 sibcall_epilogue patterns.
7068 (init_function_once): Allocate prologue/epilogue varrays.
7069 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7070 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7072 (save_for_inline_nocopy): ... here.
7073 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7075 (expand_inline_function): ... here.
7076 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7077 (subst_constants): Handle 'n' formats.
7078 * jump.c (jump_optimize_minimal): New.
7079 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7080 optimizations if it's set.
7081 * rtl.c (copy_rtx): Do copy jump & call for insns.
7082 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7083 (SIBLING_CALL_P): New.
7084 (sibcall_use_t): New.
7085 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7086 Invoke optimize_sibling_and_tail_recursive_calls.
7087 * tree.c (lang_safe_for_unsave): New.
7088 (safe_for_unsave): New.
7089 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7091 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7092 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7093 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7095 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7097 * objc/objc-act.c (encode_method_prototype): Pass types, not
7098 PARM_DECLs, to int_size_in_bytes.
7100 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7102 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7104 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7105 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7107 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7109 * Clean up usages of TREE_INT_CST_LOW.
7110 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7111 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7113 * c-tree.h (min_precision): Move declaration to here.
7114 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7115 (build_unary_op, add_pending_init): Use bit_position.
7116 (pending_init_member, process_init_element): Likewise.
7117 (really_start_incremental_init, push_init_level, pop_init_level):
7118 Don't make copies of nodes or modify them in place, use consistent
7119 types when tracking positions, and use tree routines computations.
7120 (set_init_index, output_init_element): Likewise.
7121 (output_pending_init_elements, process_init_element): Likewise.
7122 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7123 tree_low_cst and int_bit_position; also minor cleanup.
7124 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7125 (print_cst_octal): Precision is unsigned.
7126 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7127 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7128 (simple_type_align_in_bits): Result is unsigned int.
7129 Use tree_int_low_cst and host_integerp.
7130 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7131 (field_byte_offset): Result is HOST_WIDE_INT.
7132 Change types of internal variables so alignments are unsigned int,
7133 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7134 Use host_integerp, tree_low_cst, and int_bit_position.
7135 (add_bit_offset_attribute): Likewise.
7136 (add_data_member_location_attribute): Use tree_cst_low.
7137 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7138 (add_bit_size_attribute): Use tree_low_cst.
7139 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7140 * dwarfout.c: Similar changes to dwarf2out.c.
7141 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7142 * genoutput.c (n_occurences): Return -1 for null string.
7143 (strip_whitespace): Accept null string and make into function.
7144 (scan_operands): Reflect above changes.
7145 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7146 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7147 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7148 * tree.c (int_size_in_bytes): Check for too big to represent.
7149 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7150 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7152 (min_precision): Delete from here.
7153 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7154 and int_bit_position.
7155 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7156 (encode_method_def): Likewise.
7157 (build_ivar_list_initializer): Use int_bit_position.
7158 (generate_shared_structures): Convert size.
7159 (encode_type, encode_complete_bitfield): Use integer_zerop.
7160 (encode_bitfield): Use tree_low_cst and int_bit_position.
7162 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7164 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7166 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7168 * call.c (special_function_p): It is only malloc if it returns
7171 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7173 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7174 (C33_FLAG, TARGET_C3X): Add macros.
7175 (TARGET_SWITCHES): Add -m33 option.
7176 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7178 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7180 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7181 (PARALLEL_PACK_FLAG): Delete.
7182 (TARGET_SWITCHES): Update.
7183 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7185 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7187 * fold-const.c (fold): Fix a few cases when the returned result
7188 is not of the same type as the input.
7190 2000-03-16 Nick Clifton <nickc@cygnus.com>
7192 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7195 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7197 * libgcc2.h: Move prototypes above macros with the same name.
7198 Wrap some function prototypes in the conditional which indicates
7199 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7201 2000-03-16 Richard Henderson <rth@cygnus.com>
7203 * calls.c: Revert last two changes.
7205 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7207 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7208 has exponent 0 is a zero.
7210 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7211 HASH may already be nonzero. Add code/mode into hash value
7212 immediately after repeat label.
7213 (cselib_lookup): Don't leave the hash table in an inconsistent
7214 state before a hash lookup operation.
7216 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7218 * i386.md (all HI and QI mode non-move patterns): Conditionize
7219 by TARGET_[HQ]IMODE_MATH.
7220 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7221 x86_promote_qi_regs): Declare.
7222 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7223 TARGET_PROMOTE_QI_REGS): New macros.
7224 (PROMOTE_MODE): New macro.
7225 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7226 x86_promote_qi_regs): New global variables.
7228 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7230 * calls.c (emit_library_call_value_1): Break out from ...; handle
7231 VOIDmode function calls too.
7232 (emit_library_call_value): ... here.
7233 (emit_library_call): Implement by calling emit_library_call_value_1.
7235 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7237 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7238 Update arg_space_so_far on stack adjustments.
7239 (emit_library_call, emit_library_call_value): Likewise; take into
7240 account arg_space_so_far and pending_stack_adjust when calculcating
7243 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7245 * flow.c: Move all basic block reordering code into its own file.
7246 (create_basic_block): Externalize.
7247 * bb-reorder.c: New file. Copy all basic block reordering code from
7248 flow.c to this file.
7249 (reorder_basic_blocks): Fix fencepost error in for-loop.
7250 (reorder_basic_blocks): Remove braces from single statement for-loops.
7251 * basic-block.h: Add declaration for create_basic_block.
7252 * Makefile.in: Add rules for bb-reorder.o.
7254 2000-03-16 Neil Booth <NeilB@earthling.net>
7256 * cppinit.c (handle_option): Implement #unassert directive
7257 as -A- command line option.
7258 (print_help): Update.
7259 * cpptexi.c: Update.
7261 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7263 * md.texi (Standard Names): Document `jump'.
7265 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7267 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7270 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7272 Merge changes from newppc-branch onto trunk.
7274 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7276 * rs6000.c (toc_hash_table): Update for new hash table functions.
7277 (toc_hash_function): Likewise.
7278 (toc_hash_eq): Likewise.
7279 (toc_hash_mark_entry): Likewise.
7280 (toc_hash_mark_table): Likewise.
7281 (output_toc): Likewise.
7282 (rs6000_add_gc_roots): Likewise.
7284 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7286 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7287 (AR_FLAGS_FOR_TARGET): here. New macro.
7289 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7291 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7292 fpmem_operand) Delete.
7294 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7295 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7296 (rs6000_save_machine_status, rs6000_restore_machine_status,
7297 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7298 references to above variables.
7299 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7300 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7301 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7302 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7303 (XER_REGNO_P, XER_REGNO): New.
7304 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7305 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7306 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7308 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7309 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7310 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7312 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7314 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7315 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7316 * rs6000.h: from here.
7318 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7319 (rs6000_select_rtx_section): Likewise.
7320 (rs6000_encode_section_info): Likewise.
7321 (sdata_section): Likewise.
7322 (sdata2_section): Likewise.
7323 (sbss_section): Likewise.
7324 * sysv4.h (rs6000_select_section): Delete prototype.
7325 (rs6000_select_rtx_section): Likewise.
7326 (rs6000_encode_section_info): Likewise.
7327 (sdata_section): Likewise.
7328 (sdata2_section): Likewise.
7329 (sbss_section): Likewise.
7330 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7332 * sysv4.h: Delete various unnecessary #undef's and put a comment
7333 on the remaining ones.
7334 Change various comments according to coding standard.
7336 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7338 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7339 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7340 (CR0_REGNO_P) Remove.
7341 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7342 setup_incoming_varargs, mtcrf_operation, print_operand,
7343 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7344 Use the above macros.
7346 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7348 * config/rs6000/rs6000.md: Added a new alternative for each
7349 pattern that had a 'x' alternative but no 'y' alternative.
7350 Added a new split for each of the above patterns.
7352 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7354 * aix41.h (ASM_CPU_SPEC): Delete.
7355 (CPP_CPU_SPEC): Delete.
7357 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7358 (ASM_OUTPUT_LABEL): Define.
7359 (ASM_GLOBALIZE_LABEL): Define.
7360 (STRIP_NAME_ENCODING): Define.
7361 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7362 (STRIP_NAME_ENCODING): Don't define.
7363 (ASM_OUTPUT_LABEL): Don't define.
7364 (ASM_GLOBALIZE_LABEL): Don't define.
7365 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7366 names, and ASM_OUTPUT_LABEL to output labels, rather than
7368 (ASM_OUTPUT_LABEL): Define.
7369 (ASM_OUTPUT_INT): Use assemble_name.
7370 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7371 (STRIP_NAME_ENCODING): Don't undefine first.
7372 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7374 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7375 specified with 'asm' even with -fleading-underscore.
7376 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7377 (output_epilog): Likewise.
7378 (output_toc): Likewise.
7379 * tramp.asm: Handle -fleading-underscore correctly.
7381 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7383 (nonlocal_goto_receiver): Delete.
7384 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7386 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7387 (SET_ASM_OP): Define.
7388 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7390 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7393 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7394 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7396 * rs6000.h: Add 'u' to more constants.
7398 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7400 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7402 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7404 * rs6000.c (reg_or_u_cint_operand): New function.
7405 (logical_operand): Handle 64-bit hosts.
7406 (logical_u_operand): New function.
7407 (non_logical_cint_operand): Handle 64-bit hosts.
7408 (non_logical_u_cint_operand): New function.
7409 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7410 (PREDICATE_CODES): Define new functions.
7411 * rs6000-protos.h: Declare new functions.
7412 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7413 (movdi_64): Bracket code intended for 64-bit hosts. Create
7414 CONST_DOUBLE for 32-bit values.
7415 (scc insns): Generate DImode compares.
7416 (mfcr insns): Create DImode versions.
7417 (sge matchers): New patterns.
7419 2000-02-15 Gabriel Paubert <paubert@iram.es>
7421 * rs6000.md: Correct instructions length attributes and
7422 constraints on unsigned compare instructions.
7423 (*ne0): Disable for PowerPC64.
7425 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7427 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7428 quantity, fix profile1.C test failure under -fPIC.
7430 * rs6000.c: Add 'u' to many constants to suppress warnings.
7431 (constant_pool_expr_1): Make static.
7432 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7433 * rs6000.h: Add 'u' to many constants to suppress warnings.
7435 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7436 for the start of the TOC, instead of LCTOC..0.
7437 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7439 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7440 (load_toc_aix_di): Use LCTOC..1.
7442 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7443 * rs6000.c (rs6000_legitimize_address): New function from
7444 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7445 symbols in the constant pool that really are TOC references.
7446 (print_operand_address): For ELF, write TOC offsets under
7447 -fPIC as subtractions in the insn.
7448 (output_toc): For ELF, define symbols in TOC as normal labels,
7450 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7451 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7452 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7453 * rs6000.md (movsi): Only use create_TOC_reference on
7454 symbols in the constant pool that really are TOC references.
7456 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7457 * rs6000.c (rs6000_reorg): Delete.
7458 * rs6000-protos.h (rs6000_reorg): Delete.
7460 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7462 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7464 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7465 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7466 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7467 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7468 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7469 rs6000_aix_emit_builtin_unwind_init.
7470 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7471 rs6000_emit_eh_toc_restore on AIX.
7472 (return_eh_si): Use r2.
7473 (return_eh_di): Use r2.
7475 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7476 since we're breaking binary compatibility anyway.
7478 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7480 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7481 constant_pool_expr_p): Declare them.
7482 (constant_pool_expr_p): Declare it.
7483 * config/rs6000/rs6000.c (toc_label_name): Define.
7484 (rs6000_override_options): Set toc_label_name.
7485 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7486 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7487 uses_TOC): New functions.
7488 (print_operand): Delete old '*' case.
7489 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7490 and strip off rtl for TOC before calling output_addr_const.
7491 (rs6000_emit_load_toc_table): Use toc_label_name.
7492 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7494 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7495 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7496 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7497 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7498 into explicit TOC_REGISTER offsets.
7499 (TOC_REGISTER): New macro.
7500 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7501 TARGET_TOC to reference TOC_REGISTER.
7502 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7503 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7504 uses_TOC before emitting label references.
7506 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7508 * rs6000.md (stack_tie): Fix warning.
7510 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7511 to handle -fleading-underscore.
7512 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7513 (USER_LABEL_PREFIX): New macro.
7514 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7515 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7516 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7517 call-linux can use the same multilibs.
7518 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7519 and call-linux multilibs. Do multilib with -fleading-underscore.
7520 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7521 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7524 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7525 have MASK_SOFT_FLOAT set.
7526 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7527 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7528 CPP_FLOAT_DEFAULT_SPEC.
7530 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7531 * rs6000.md: Whitespace change.
7532 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7533 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7535 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7537 * rs6000.md (eh_epilogue): New expander.
7538 (eh_reg_restore): New expand/split/insn combination.
7539 (return_eh_si): New insn.
7540 (return_eh_di): New insn.
7542 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7543 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7544 * eabi-ctors.c (__do_global_ctors): Register this object's
7545 frame. Clean up. Call atexit() after the constructors.
7546 (__do_global_dtors): Deregister this object's frame. Clean up.
7547 Allow for recursive calls to exit().
7548 * rs6000.c (fixuplabelno): New variable.
7549 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7550 TARGET_RELOCATABLE, it slows down exec() under linux.
7551 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7553 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7554 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7555 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7556 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7557 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7558 (ASM_OUTPUT_DWARF_ADDR): New macro.
7559 (ASM_OUTPUT_DWARF_DATA4): New macro.
7560 (ASM_OUTPUT_DWARF_DATA2): New macro.
7561 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7562 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7563 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7565 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7567 * rs6000.c (rs6000_sr_alias_set): New variable.
7568 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7569 (rs6000_emit_stack_tie): New function.
7570 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7571 in a way that dwarf2out can understand.
7572 (rs6000_frame_related): New function.
7573 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7574 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7575 Use rs6000_emit_stack_tie when needed.
7576 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7577 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7578 * rs6000.md (stack_tie): New insn.
7579 (return_internal_si): Allow return value to be in the count
7581 (return_internal_di): Likewise.
7583 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7585 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7587 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7589 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7591 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7593 * rs6000.md (stmw): Use the right POWER opcode.
7596 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7598 * rs6000-protos.h: New file.
7600 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7602 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7605 * sysv4.h: Likewise.
7607 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7609 * ../../configure.in: Delete powerpcle-*-winnt*
7610 and powerpcle-*-pe|powerpcle-*-cygwin*.
7611 * ../../configure: Regenerated.
7613 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7614 (TARGET_WINDOWS_NT): Delete.
7616 (CALL_NT_DLLIMPORT): Delete.
7617 Delete NT-specific code.
7618 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7621 * nt-ci.asm: Delete.
7622 * nt-cn.asm: Delete.
7623 * ntstack.asm: Delete.
7625 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7627 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7628 (ASM_FILE_START): Likewise.
7629 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7630 (ASM_OUTPUT_LABELREF): Likewise.
7631 (ASM_OUTPUT_SKIP): Likewise.
7632 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7633 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7634 (ASM_OUTPUT_CASE_LABEL): Likewise.
7635 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7636 (ASM_OUTPUT_ASCII): Likewise.
7638 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7640 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7641 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7642 increment rs6000_pic_labelno here.
7643 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7644 and increment rs6000_pic_labelno here.
7646 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7648 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7649 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7650 allocation knows (reg) is dead before the insn.
7652 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7654 * rs6000.md (movsi_to_cr): Correct typo in output template.
7656 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7658 * rs6000.c (rs6000_pic_labelno): Always define.
7659 (rs6000_pic_func_labelno): Delete.
7660 (lmw_operation): Check for a zero base register,
7661 which doesn't mean what we want.
7662 (stmw_operation): New function.
7663 (print_operand): Define new 'l' modifier.
7664 (rs6000_stack_info): We must save all 64 bits of the registers
7665 if TARGET_POWERPC64.
7666 (rs6000_output_load_toc_table): Delete.
7667 (rs6000_emit_load_toc_table): New function.
7668 (rs6000_allocate_stack_space): Delete.
7669 (rs6000_emit_allocate_stack): New function.
7670 (rs6000_emit_prologue): New function.
7671 (output_prolog): Use rs6000_emit_prologue.
7672 (rs6000_emit_epilogue): Change a few variable names to be
7673 more accurate. Restore all 64 bits of the registers if
7674 TARGET_POWERPC64. Only restore the FP registers which were used
7675 if they are being saved/restored one-at-a-time.
7676 (output_mi_thunk): Delete inefficient code generation.
7677 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7678 * rs6000.h: Declare rs6000_emit_load_toc_table,
7679 rs6000_allocate_stack_space, stmw_operation. Don't declare
7680 rs6000_output_load_toc_table.
7681 * rs6000.md (elf_high): Allow register 0, but discourage it
7683 (elf_low): Support loading into register 0.
7684 (load_toc_aix_si): New pattern.
7685 (load_toc_aix_di): New pattern.
7686 (load_toc_v4_pic_si): New pattern.
7687 (load_toc_v4_pic_di): New pattern.
7688 (load_toc_v4_PIC_1): New pattern.
7689 (load_toc_v4_PIC_1b): New pattern.
7690 (load_toc_v4_PIC_2): New pattern.
7691 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7692 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7693 (prologue): New expander.
7694 (movesi_from_cr): New pattern.
7695 (stmw): New pattern.
7696 (save_fpregs_si): New pattern.
7697 (save_fpregs_di): New pattern.
7699 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7701 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7706 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7708 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7710 (movsi_got_internal): Likewise.
7711 (movsi_got_internal+1): Likewise.
7712 (set_sp): 'unspec 7' does a SImode clobber.
7714 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7716 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7717 allocate a stack temporary.
7718 (floatsidf2_internal): Likewise.
7719 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7721 (floatunssidf2): Don't use the fpmem "register", just
7722 allocate a stack temporary.
7723 (floatunssidf2_internal): Likewise.
7724 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7726 (floatsidf2_loadaddr): Delete.
7727 (floatsidf2_store1): Delete.
7728 (floatsidf2_store2): Delete.
7729 (floatsidf2_load): Delete.
7730 (fix_truncdfsi2): Don't use the fpmem "register", just
7731 allocate a stack temporary.
7732 (fix_truncdfsi2_internal_si): Delete.
7733 (fix_truncdfsi2_internal_di): Delete.
7734 (fix_truncdfsi2_internal): New insn.
7735 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7736 (fix_truncdfsi2_store): Delete.
7737 (fix_truncdfsi2_load): Delete.
7738 (fctiwz): Produce gen_fctiwz.
7740 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7742 * eabi.h (INVOKE__main): Define.
7743 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7745 (rs6000_emit_prologue): Likewise.
7746 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7747 this is the main program.
7749 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7751 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7753 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7755 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7756 goes after the argument.
7758 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7760 * rs6000.md: Document 'unspec' values used.
7761 (epilogue): New expander.
7762 (movesi_to_cr_one): New expander.
7763 (movesi_to_cr and following): New pattern.
7765 (return_internal_si): New pattern.
7766 (return_internal_di): New pattern.
7767 (return_and_restore_fpregs_si): New pattern.
7768 (return_and_restore_fpregs_di): New pattern.
7769 * rs6000.h: Declare new functions.
7770 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7771 rather than rs6000_calls_p.
7772 (rs6000_makes_calls): Delete.
7773 (lmw_operation): New function.
7774 (mtcrf_operation): New function.
7775 (rs6000_emit_epilogue): New function.
7776 (output_epilog): Call rs6000_emit_epilogue and final if
7777 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7779 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7781 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7782 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7783 * aix.h (SUBTARGET_SWITCHES): Document switches.
7784 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7785 sched-prolog and sched-epilog the same. Document all the
7787 (TARGET_OPTIONS): No longer allow -mdebug-.
7789 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7791 * rs6000.h (ASM_FILE_END): Move to aix.h.
7792 (EXTRA_SECTIONS): Move to aix.h.
7793 (READONLY_DATA_SECTION): Move to aix.h.
7794 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7795 (SELECT_SECTION): Move to aix.h.
7796 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7797 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7798 (LINK_REGISTER_REGNUM): New definition.
7799 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7800 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7802 * sysv4.h: Delete the code between the inclusion of rs6000.h
7804 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7805 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7806 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7807 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7808 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7809 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7810 (fix_truncdfsi2_internal_di): New pattern.
7811 (fix_truncdfsi2_store): The second arg here is Pmode too.
7812 (fix_truncdfsi2_load): The second arg here is Pmode too.
7813 (tablejumpdi): Now that switch tables hold only SImode values,
7814 gcc needs to know how to add them to the pc which is DImode.
7815 * rs6000.c (rs6000_stack_info): Use symbolic name for
7816 LINK_REGISTER_REGNUM.
7817 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7818 (output_toc): Delete unused variables s1 and s2.
7819 (output_ascii): Use fputs not fprintf on a variable string.
7821 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7823 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7824 * aix43.h: Revert Aug 2 change.
7825 (HAS_INIT_SECTION): Define, not visible yet.
7826 (LD_INIT_SWITCH): Define, not visible yet.
7827 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7829 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7831 * config/rs6000/rtems.h: Include config/rtems.h.
7833 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7835 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7836 (SLOW_UNALIGNED_ACCESS): Define.
7837 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7838 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7839 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7840 (toc_section): Likewise and .toc pseudo-op.
7841 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7843 (TEXT_SECTION_ASM_OP): Likewise.
7844 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7847 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7849 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7850 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7853 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7855 * rs6000.h: Move more stuff from here...
7857 * sysv4.h: Cleanup accordingly.
7858 * netware.h: Likewise
7860 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7862 * rs6000.h: Continue cleanup.
7865 * netware.h: Likewise.
7867 * sysv4.h: Likewise.
7868 * win-nt.h: Likewise.
7870 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7871 (TARGET_OPTIONS): Likewise.
7873 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7874 (SUBTARGET_OPTIONS): Likewise.
7876 * rs6000.md: Fix compile time warnings.
7878 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7880 vxworks patches from the Cygnus tree originally by
7881 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7882 <vmakarov@cygnus.com>.
7883 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7884 (ENDFILE_SPEC): Likewise.
7885 (LIB_VXWORKS_SPEC): New macro.
7886 (STARTFILE_VXWORKS_SPEC): New macro.
7887 (ENDFILE_VXWORKS_SPEC): New macro.
7888 (LINK_START_VXWORKS_SPEC): New macro.
7889 (LINK_OS_VXWORKS_SPEC): New macro.
7890 (CPP_OS_VXWORKS_SPEC): New macro.
7891 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7892 * vxppc.h: Rewrite to use proper configuration method.
7893 * vxppcle.h: New file.
7894 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7895 * ../../configure: Rebuilt.
7897 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7899 Lots of changes to rs6000.h, sysv4.h, aix.h,
7900 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7901 with the aim that rs6000.h is the first header
7902 included and the others override it.
7905 * x-aix41-gld: Remove.
7907 * x-aix41: Remove target-specific switches, and don't specify
7908 -Wl,-bbigtoc as we don't need it any more.
7909 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7910 Use t-aix43 for AIX 4.3 and above.
7911 * ../../configure: Regenerated.
7913 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7914 options, that don't do anything yet.
7915 (MASK_SCHED_PROLOG): New macro.
7916 (MASK_SCHED_EPILOG): New macro.
7917 (TARGET_SCHED_PROLOG): New macro.
7918 (TARGET_SCHED_EPILOG): New macro.
7920 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7922 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7923 one per translation unit, not one per function.
7924 (output_toc): Also do duplicate constant elimination
7925 for per-translation-unit TOCs.
7927 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7928 a comment explaining _exactly_ when this pattern gets used.
7929 (builtin_setjmp_receiver): New pattern for better clarity.
7930 (init_v4_pic): Move it into a section dealing with TOC registers.
7932 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7934 * rs6000.c (toc_hash_table): New variable.
7935 (rs6000_hash_constant): New function.
7936 (toc_hash_function): New function.
7937 (toc_hash_eq): New function.
7938 (toc_hash_mark_entry): New function.
7939 (toc_hash_mark_table): New function.
7940 (output_toc): Don't output duplicate TOC entries in
7942 (rs6000_add_gc_roots): Add the hash table as a GC root.
7943 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7944 where they clearly shouldn't be. This may need to be fixed
7945 later when there is a GNU ar for AIX.
7946 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7947 Don't define BOOT_LDFLAGS as it is now not necessary.
7949 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7951 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7952 for va_list on AIX. Use unsigned_char_type_node rather than
7953 constructing our own version on svr4.
7955 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7957 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7958 since patently it's not.
7960 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7962 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7963 define_expand/define_insn pair, and handle restore of the
7964 SVR4 -fpic register.
7966 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7968 * acconfig.h (HAVE_GAS_WEAK): New define.
7969 * configure.in (assembler weak support): Check for .weak support.
7970 * config.in, configure: Rebuilt.
7971 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7972 HAVE_GAS_WEAK is defined.
7974 2000-03-15 Nick Clifton <nickc@cygnus.com>
7976 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7979 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7981 * cppfiles.c (open_include_file): New function.
7982 (find_include_file, cpp_read_file): Use it.
7984 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7986 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7988 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7990 * flow.c (verify_flow_info): Check for unconditional return.
7992 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7994 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7995 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7996 (__ia64_restore_stack_nonlocal): New.
7997 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7999 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8001 * cpphash.c (collect_formal_parameters): Do not complain about
8002 parameter names that just start with `__VA_ARGS__'.
8004 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8006 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8007 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8008 * i386.c (pentiumpro_cost): Set mul cost to 4.
8009 (x86_use_movx): Set for PPro.
8011 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8013 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8014 STACK_BOUNDARY for empty frames now.
8016 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8018 * stor-layout.c (layout_union): Remove.
8019 (layout_union_field): New function, split out from layout_union.
8020 (finish_union_layout): Likewise.
8021 (layout_field): Handle unions by calling layout_union_field.
8022 (finish_record_layout): Handle unions.
8023 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8024 QUAL_UNION_TYPE handling.
8026 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8028 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8029 end of basic block is jump_insn, not barrier; use create_basic_block
8030 instead of creating basic block by hand.
8032 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8034 * flow.c (reorder_basic_blocks): Account for barriers when writing
8035 over NEXT_INSN (last_bb->end).
8036 (verify_flow_info): Add check for missing barriers.
8038 2000-03-14 Greg McGary <gkm@gnu.org>
8040 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8041 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8042 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8043 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8044 __unbounded, __unbounded__): New keywords.
8045 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8046 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8047 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8049 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8051 * cselib.h: New file.
8052 * alias.c: Include "cselib.h".
8053 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8054 MEMs as two new arguments.
8055 (get_addr): New static function.
8056 (find_base_term): Handle VALUEs.
8057 (memrefs_conflict_p): Likewise.
8058 (true_dependence): Call get_addr on the addresses.
8059 Call fixed_scalar_and_varying_struct_p with addresses that have been
8060 passed through get_addr and canon_rtx.
8061 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8062 with true_dependence.
8063 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8064 * loop.c: Include "cselib.h".
8065 (load_mems): Process extended basic block that enters the loop with
8066 cselib. Use that information to change initialization of the shadow
8067 register so that a constant equivalence is seen by later passes.
8068 * reload1.c: Include "cselib.h".
8069 (reload_cse_invalidate_regno): Delete function.
8070 (reload_cse_mem_conflict_p): Likewise.
8071 (reload_cse_invalidate_mem): Likewise.
8072 (reload_cse_invalidate_rtx): Likewise.
8073 (reload_cse_regno_equal_p): Likewise.
8074 (reload_cse_check_clobber): Likewise.
8075 (reload_cse_record_set): Likewise.
8076 (reg_values): Delete static variable.
8077 (invalidate_regno_rtx): Likewise.
8078 (reload_cse_delete_noop_set): New static function.
8079 (reload_cse_simplify): New static function, broken out of
8081 (reload_cse_noop_set_p): Delete unused argument INSN.
8082 Just call rtx_equal_for_cselib_p on set source and destination.
8083 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8084 reload_cse_delete_noop_set. Delete code to keep track of values; use
8085 cselib functions instead. Delete code to push/pop obstacks.
8086 (reload_cse_simplify_set): Use cselib to find equivalent values.
8087 Delete code to push/pop obstacks.
8088 (reload_cse_simplify_operands): Likewise.
8089 * rtl.def (VALUE): New rtx code.
8090 * rtl.h (union rtunion_def): New elt rt_cselib.
8091 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8092 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8093 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8094 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8095 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8096 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8097 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8098 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8099 cselib_record_set, cselib_record_sets): New static functions.
8100 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8101 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8102 references_value_p): New functions.
8103 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8104 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8105 n_useless_values, reg_values, callmem, cselib_obstack,
8106 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8107 New static variables.
8108 * varray.h (union varray_data_tag): New elt te.
8109 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8110 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8113 2000-03-14 Nick Clifton <nickc@cygnus.com>
8115 * gcc.c (do_spec_1): Catch the case where %* is used in a
8116 substitution pattern, but it has not been initialised.
8117 Issue a meaningful error message if an unrecognised operator
8118 is encountered in a spec string.
8120 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8122 * function.c (prepare_function_start): Correctly initialize
8123 cfun->stack_alignment_needed.
8125 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8127 * cppfiles.c (find_include_file): Don't assume nshort is a
8130 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8132 * configure.in (hppa configurations): Add pa32-regs.h to the
8133 list of tm files as appropriate.
8134 * configure: Rebuilt.
8135 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8137 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8138 (fmpyaddoperands, fmpysuboperands): Likewise.
8139 * pa.h: Remove various definitions which depend on knowing
8140 how registers are numbered.
8141 * pa32-regs.h: New file with PA32 register numbering specific
8144 2000-03-14 Richard Henderson <rth@cygnus.com>
8146 * regmove.c (combine_stack_adjustments): New.
8147 (stack_memref_p, single_set_for_csa): New.
8148 (free_csa_memlist, record_one_stack_memref): New.
8149 (try_apply_stack_adjustment): New.
8150 (combine_stack_adjustments_for_block): New.
8151 * rtl.h (combine_stack_adjustments): Declare.
8152 * toplev.c (rest_of_compilation): Call it.
8154 * i386.md: Revert 2000-01-16 change.
8156 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8158 * gccbug.in: Add web category, gcc specific classes.
8160 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8162 * stor-layout.c (finalize_record_size): Fix typo.
8164 2000-03-14 Stan Shebs <shebs@apple.com>
8166 * c-typeck.c (c_alignof): Error on incomplete types.
8167 * extend.texi (Alignment): Document this.
8169 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8171 * cppfiles.c: Include mkdeps.h.
8172 (find_include_file, read_include_file): Remove _cpp_ prefix
8173 from name, make static.
8174 (_cpp_execute_include): New function, broken out of
8177 * cpplib.c: Don't include mkdeps.h.
8178 (struct directive): Remove type field. Reorder entries. The
8179 function takes only one argument.
8180 (struct if_stack): Make type field an int.
8181 (directive_table): Rename to dtable. Generate it, the
8182 prototypes of the directive handlers, and the enum for the
8183 directive numbers, from a template macro.
8184 (do_ifndef, do_include_next, do_import): New functions.
8185 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8186 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8187 do_ident, do_assert, do_unassert, do_sccs): Take only one
8189 (do_sccs): Define always, but alter behavior based on
8191 (_cpp_handle_directive, consider_directive_while_skipping):
8192 Restructure for new directive table layout.
8194 (pass_thru_directive): Take a directive number, not a pointer
8195 to a struct directive.
8196 (parse_include): New function, broken out of do_include.
8197 (do_include, do_import, do_include_next): Use parse_include
8198 and _cpp_execute_include.
8199 (do_elif, do_else): Test for T_ELSE specifically when checking
8200 for #elif/#else after #else.
8201 (parse_ifdef): New function, broken out of do_ifdef.
8202 (validate_else): Expect a name arg without a leading #.
8203 (if_directive_name): Delete.
8204 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8205 directive handlers with only one argument.
8207 * cpphash.h: Update prototypes.
8208 (enum node_type): Remove entries for directives.
8209 * Makefile.in: Update dependencies.
8211 * cpphash.c (dump_hash_helper): Only dump nodes of type
8212 T_MACRO. Emit a newline after each definition.
8214 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8216 * gccbug.in: New file.
8217 * configure.in (all_outputs): Add gccbug.
8218 * Makefile.in (install-common): Install gccbug.
8219 (GCCBUG_INSTALL_NAME): New variable.
8220 * configure: Rebuilt.
8222 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8224 * function.c (put_var_into_stack): Use type_for_mode to calculate
8225 part_type. Use MEM_SET_IN_STRUCT_P.
8226 * expr.c (store_field): Handle CONCAT.
8227 (store_constructor): Use fields_length.
8228 * tree.c (fields_length): New fn.
8229 * tree.h: Declare it.
8231 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8233 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8234 (cpplex.o): New target.
8235 * po/POTFILES.in: Add cpplex.c.
8237 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8238 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8239 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8240 skip_block_comment, skip_line_comment, skip_comment,
8241 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8242 _cpp_parse_name, skip_string, parse_string,
8243 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8244 _cpp_get_directive_token, find_position,
8245 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8246 (maybe_macroexpand, _cpp_lex_token): New functions.
8248 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8249 parse_goto_mark): Delete.
8250 (_cpp_handle_eof): New function.
8251 (_cpp_handle_directive): Rename from handle_directive.
8252 (_cpp_output_line_command): Rename from output_line_command.
8253 (do_if, do_elif): Call _cpp_parse_expr directly.
8254 * cppfiles.c (_cpp_read_include_file): Don't call
8255 init_input_buffer here.
8256 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8257 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8258 here; pop the token_buffer and skip the rest of the line here.
8259 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8262 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8264 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8265 CPP_GOTO_MARK): New macros.
8266 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8267 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8268 _cpp_read_and_prescan, _cpp_init_input_buffer,
8269 _cpp_grow_token_buffer, _cpp_get_directive_token,
8270 _cpp_handle_directive, _cpp_handle_eof,
8271 _cpp_output_line_command): Prototype them here.
8272 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8273 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8274 quote_string, output_line_command): Remove.
8276 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8278 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8279 whether it is too large we must also verify that it isn't negative.
8281 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8283 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8284 (movsi_zero_liveg0): Remove.
8285 (movsf_insn_novis_liveg0): Remove.
8287 (negsi2_not_liveg0): Rename to negsi2.
8288 (one_cmplsi2): Remove.
8289 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8290 (one_cmplsi2_liveg0): Remove.
8291 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8292 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8293 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8294 (PREDICATE_CODES): Remove zero_operand.
8295 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8296 TARGET_BROKEN_SAVERESTORE.
8297 (zero_operand): Remove.
8298 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8299 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8301 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8302 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8303 TARGET_BROKEN_SAVERESTORE): Remove.
8304 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8306 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8308 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8311 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8313 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8315 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8316 truncating a string. Don't assume tokens are nul terminated.
8317 Problem noted by Andreas Jaeger <aj@suse.de>
8319 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8321 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8322 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8323 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8325 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8327 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8328 STRUCTURE_SIZE_BOUNDARY.
8330 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8332 * tree.h (record_layout_info_s): New structure.
8333 (record_layout_info): New type.
8334 (new_record_layout_info): New function.
8335 (layout_field): Likewise.
8336 (finish_record_layout): Likewise.
8337 * stor-layout.c (layout_record): Remove.
8338 (new_record_layout_info): New function.
8339 (layout_field): New function, broken out from layout_record.
8340 (finalize_record_size): Likewise.
8341 (compute_record_mode): Likewise.
8342 (finalize_type_size): New function, broken out from layout_type.
8343 (finish_record_layout): Likewise.
8344 (layout_type): Use them.
8346 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8348 * cpphash.c: Don't include version.h.
8349 (special_symbol) [case T_VERSION]: Look for the string in
8350 hp->value.cpval; don't use version_string.
8351 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8352 __VERSION__ to version_string.
8353 * Makefile.in (cpphash.o): Update deps.
8355 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8357 Convert cpplib to use libiberty/hashtab.c.
8359 * cpplib.h (struct cpp_reader): Make hashtab and
8360 all_include_files of type 'struct htab *'. Delete HASHSIZE
8361 and ALL_INCLUDE_HASHSIZE macros.
8363 * cpphash.h: Update prototypes.
8364 (struct hashnode): Remove next, prev, and bucket_hdr members.
8365 Make length a size_t. Add hash member.
8366 (struct ihash): Remove next member. Add hash member. Make
8367 name a flexible array member.
8369 * cppfiles.c: Include hashtab.h.
8370 (include_hash): Delete.
8371 (IHASHSIZE): New macro.
8372 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8373 (cpp_included): Do the hash lookup here.
8374 (_cpp_find_include_file): Rewrite.
8375 (cpp_read_file): Put the "fake" hash entry into the hash
8376 table. Honor the control_macro, if it turns out we've seen
8377 the file before. Don't push the buffer here.
8378 (_cpp_read_include_file): Push the buffer here.
8379 (OMODES): New macro. Use it whenever we call open(2).
8381 * cpphash.c: Include hashtab.h.
8382 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8383 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8384 _cpp_lookup_slot): New functions.
8385 (HASHSIZE): new macro.
8386 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8387 (_cpp_lookup): Use hashtab.h routines.
8389 * cppinit.c: Include hashtab.h.
8390 (cpp_reader_init): Call _cpp_init_macro_hash and
8391 _cpp_init_include_hash. Don't allocate hashtab directly.
8392 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8393 pfile->all_include_files.
8394 (initialize_builtins): Use _cpp_make_hashnode and
8395 htab_find_slot to add hash entries.
8396 (cpp_finish): Just call _cpp_dump_macro_hash.
8397 * cpplib.c: Include hashtab.h.
8398 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8399 create hash entries.
8400 (do_pragma_poison, do_assert): Likewise.
8401 (do_include): Don't push the buffer here. Don't increment
8402 system_include_depth unless _cpp_read_include_file succeeds.
8403 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8405 (do_pragma_implementation): Use alloca to create copy.
8407 * Makefile.in: Update dependencies.
8409 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8411 * cppinit.c (cl_directive_handler): More K&R fixing.
8413 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8415 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8417 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8419 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8421 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8422 Change from char[] to macros.
8424 2000-03-12 Neil Booth <NeilB@earthling.net>
8426 * cppinit.c (cpp_start_read): Update indirect function
8429 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8431 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8434 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8435 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8437 2000-03-11 Neil Booth <NeilB@earthling.net>
8439 * cppinit.c (struct pending option): Replace undef with a
8440 pointer to a directive handling routine.
8441 (struct cpp_pending): Replace separate assert_ and define_
8442 lists with one directive_ list.
8443 (new_pending_define): Rename new_pending_directive. Extra
8444 argument is the directive's handling routine.
8445 (handle_option): Update to use new_pending_directive.
8447 2000-03-11 Neil Booth <NeilB@earthling.net>
8449 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8450 remap_filename, _cpp_read_include_file, actual_directory,
8451 hack_vms_include_specification): Replace bcopy(), index() etc
8452 calls. Add casts to some allocations. Make some variables
8453 pointers to const [unsigned] char.
8454 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8455 collect_formal_parameters): Similarly.
8456 * cppinit.c (struct pending_option, append_include_chain,
8457 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8458 cpp_start_read, new_pending_define, handle_option): Similarly.
8459 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8460 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8461 do_pragma_implementation, detect_if_not_defined,
8462 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8463 do_assert, do_unassert): Similarly.
8464 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8465 function prototypes.
8466 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8468 2000-03-10 Richard Henderson <rth@cygnus.com>
8470 * builtins.c (expand_builtin_strlen): Revert last change.
8471 Use emit_insn_before if we're at the beginning of a sequence.
8473 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8475 * builtins.c (expand_builtin_strlen): Make sure that we have something
8476 at the beginning of the sequence.
8478 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8481 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8483 2000-03-10 Richard Henderson <rth@cygnus.com>
8485 * except.c (can_throw): Use INTVAL on a CONST_INT.
8486 (reachable_handlers): Likewise.
8487 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8489 2000-03-10 Andreas Jaeger <aj@suse.de>
8491 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8492 MD_STARTFILE_PREFIX since those are not needed on linux.
8493 (ASM_FILE_START): New, from mips/gnu.h.
8495 2000-03-09 Richard Henderson <rth@cygnus.com>
8496 Alex Samuel <samuel@codesourcery.com> and others
8498 * Makefile.in (ssa.o): New rule.
8500 (STAGESTUFF): Add *.ssa and *.ussa.
8501 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8502 * rtl.def (PHI): New RTL expression.
8503 * rtl.h (clear_log_links): New declaration.
8504 (convert_to_ssa): Likewise.
8505 (convert_from_ssa): Likewise.
8506 * flow.c (split_edge): If the entry node falls through to the
8507 split edge's source block, split the entry edge.
8508 (clear_log_links): New function.
8509 * toplev.c (ssa_dump): New variable.
8510 (flag_ssa): Likewise.
8511 (f_options): Add "ssa".
8512 (compile_file): Create SSA dump files.
8513 (rest_of_compilation): Go to and from SSA if enabled.
8514 (decide_d_option): Handle -de for SSA dump files.
8517 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8519 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8522 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8524 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8526 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8528 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8529 (MD_STARTFILE_PREFIX_1): New macro.
8531 2000-03-09 Robert Lipe <robertl@sco.com>
8533 * config/ia64/ia64.c: Include system.h.
8535 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8537 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8538 (init_eh_nesting_info): Likewise.
8540 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8541 (TREE_NOTHROW): Rename from TREE_RAISES.
8542 * toplev.c (rest_of_compilation): Set it.
8543 * print-tree.c (print_node): Adjust.
8544 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8545 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8546 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8547 REG_EH_REGION note as appropriate.
8548 (libfunc_nothrow): New fn.
8549 (emit_library_call, emit_library_call_value): Use it.
8550 (expand_call): Check TREE_NOTHROW.
8552 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8553 DECL_ASSEMBLER_NAME.
8555 2000-03-09 Andreas Jaeger <aj@suse.de>
8557 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8558 (TARGET_MEM_FUNCTIONS): Define.
8560 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8562 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8564 * except.c (can_throw): See through a SEQUENCE.
8565 (nothrow_function_p): New fn.
8566 * except.h: Declare it.
8567 * function.c (current_function_nothrow): New var.
8568 (prepare_function_start): Initialize it.
8569 * output.h: Declare it.
8570 * toplev.c (rest_of_compilation): Set it.
8571 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8573 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8575 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8576 match. (cpp_compare_defs): Count the nul separator when
8577 advancing over argument names.
8579 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8581 * recog.c (preprocess_constraints): Matching constraints affect
8582 same alternative/different operand, not same operand/different
8585 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8586 register and a constant specially.
8588 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8590 * libgcc2.h: New file.
8591 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8593 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8595 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8596 * configure: Regenerate.
8599 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8601 * Makefile.in (LIBCPP_DEPS): New macro.
8602 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8604 * cpperror.c: Include cpphash.h.
8605 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8607 (lex): Don't use CPP_WARN_UNDEF.
8608 (_cpp_parse_expr): Return an int, the truth value.
8609 * cppfiles.c: Include cpphash.h.
8610 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8611 * cppinit.c (include_defaults_array): Disentangle.
8612 (cpp_cleanup): Don't free the if stack here.
8613 (cpp_finish): Pop off all buffers, not just one.
8614 * cpplib.c (eval_if_expr): Return int.
8615 (do_xifdef): Rename do_ifdef.
8616 (handle_directive): Don't use CPP_PREPROCESSED.
8617 (cpp_get_token): Don't use CPP_C89.
8618 * fix-header.c: Don't use CPP_OPTIONS.
8620 * cpplib.h: Move U_CHAR, enum node_type, struct
8621 file_name_list, struct ihash, is_idchar, is_idstart,
8622 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8623 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8624 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8625 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8626 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8627 of _cpp_simplify_pathname, _cpp_find_include_file,
8628 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8629 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8631 Change all uses of U_CHAR to be unsigned char instead.
8632 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8634 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8636 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8637 (dwarf2out_begin_prologue): Set it.
8638 (output_call_frame_info): Don't emit EH unwind info for leaves.
8640 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8641 can occur outside of an EH region.
8642 * except.c: Correct comments about rethrow behavior.
8643 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8645 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8647 * flow.c (make_edges): Always call make_eh_edge for calls.
8649 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8651 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8652 (struct cpp_buffer): Remove fname and underflow fields.
8653 (struct cpp_reader): Remove get_token field.
8654 (struct include_hash): Rename to struct ihash. Add typedef to
8656 (struct if_stack): Remove fname field.
8657 (IF_STACK_FRAME): Rename to IF_STACK.
8659 * cpperror.c (print_containing_files): Trust that there are no
8660 macro buffers below the top file buffer.
8661 * cppfiles.c: Replace all references to 'struct include_hash'
8662 with 'IHASH'. Rename initialize_input_buffer to
8663 init_input_buffer. Don't set or reference cpp_buffer->fname,
8664 use buffer->ihash->name instead.
8665 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8666 not CPP_NULL_BUFFER.
8667 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8668 IF_STACK_FRAME, IHASH not struct include_hash.
8669 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8670 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8671 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8672 references to cpp_buffer->fname (delete entirely, or use
8673 ->ihash->name instead) and IF_STACK->fname.
8674 (cpp_push_buffer): Don't set new->underflow.
8675 (do_include): Use cpp_file_buffer.
8677 * cpphash.c (collect_formal_parameters): Remove duplicate
8678 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8679 used as a macro argument name. Don't append "..." to namebuf
8680 for varargs macros. After we're done scanning, go through
8681 namebuf and make it NUL separated, not comma separated.
8682 (_cpp_compare_defs): Remove register tag from variables.
8683 Expect defn->argnames to be NUL separated.
8684 (_cpp_dump_definition): Expect defn->argnames to be NUL
8685 separated and in forward order.
8686 * cpphash.h: Update documentation of argnames field.
8688 2000-03-08 Richard Henderson <rth@cygnus.com>
8690 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8691 to fail. Don't pre-expand the source operand.
8693 * i386.md (strlensi): Initialize eoschar and align before use.
8695 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8697 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8698 CONSTRUCTOR element.
8700 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8702 * mips.c (mips_expand_prologue): If the last
8703 named argument is the vararg marker "va_list", treat it as
8704 an unnamed argument.
8706 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8708 * dbxout.c (dbxout_parms): When correcting for promoted
8709 big-endian parameters, use the mode of the DECL_RTL rather
8710 than UNITS_PER_WORD.
8712 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8714 * c-common.h (make_fname_decl): Declare.
8715 * c-common.c (make_fname_decl): Define.
8716 (declare_hidden_char_array): Remove.
8717 (declare_function_name): Use make_fname_decl.
8718 * c-decl.c (c_make_fname_decl): New function.
8719 (init_decl_processing): Set make_fname_decl.
8721 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8723 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8725 2000-03-07 Philipp Thomas <pthomas@suse.de>
8727 * po/POTFILES.in: Remove cppalloc.c from file list.
8729 2000-03-07 Steve Chamberlain <sac@pobox.com>
8731 * pj.c (pj_expand_prologue): current_function->args_info is
8732 now current_function_args_info.
8734 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8735 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8736 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8738 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8740 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8741 output as hexadecimal rather than the default octal.
8743 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8745 * cpphash.c (special_symbol): Fix thinko in previous commit.
8747 2000-03-07 Neil Booth <NeilB@earthling.net>
8749 * cppexp.c (struct operation, left_shift, right_shift,
8750 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8751 "int"s to "unsigned int"s.
8752 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8754 * cpplib.h: Update for above.
8755 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8756 returned from allocations.
8758 * cppinit.c (opt_comp, parse_options): New functions.
8759 (handle_option): Use parse_option to parse a single command
8760 line option, that possibly takes an argument.
8761 (cpp_handle_options): Sort the array of command line options on
8762 first invocation (non-ASCII hosts only).
8763 (print_help): Update.
8765 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8767 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8768 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8770 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8772 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8774 * cpperror.c (cpp_print_containing_files,
8775 cpp_print_file_and_line, v_cpp_message): Rename to
8776 print_containing_files, print_file_and_line, and v_message.
8777 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8778 to _cpp_parse_expr, parse_escape, and lex.
8779 (parse_charconst): Remove broken multibyte support.
8780 * cppfiles.c (include_hash): Make static.
8781 (cpp_included): New function.
8782 (merge_include_chains, find_include_file, finclude,
8783 simplify_pathname): Rename to _cpp_merge_include_chains,
8784 _cpp_find_include_file, _cpp_read_include_file, and
8785 _cpp_simplify_pathname.
8786 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8787 cpp_install, create_definition, macroexpand, compare_defs,
8788 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8789 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8790 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8791 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8793 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8795 * cpphash.h: Update prototypes.
8796 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8798 2000-03-07 Andrew Haley <aph@cygnus.com>
8800 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8801 PTRDIFF_TYPE should be based solely on Pmode.
8804 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8806 * rtl.h (rtunion_def): Constify member `rtstr'.
8807 (emit_line_note_after, emit_line_note, emit_line_note_force,
8808 emit_note, decode_asm_operands): Constify.
8810 * cse.c (canon_hash): Likewise.
8812 * dbxout.c (dbxout_block): Likewise.
8814 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8815 v_warning_for_asm): Likewise.
8817 * dwarfout.c (function_start_label): Likewise.
8819 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8820 emit_line_note_force): Likewise.
8822 * final.c (last_filename, asm_insn_count, final_scan_insn,
8823 output_source_line): Likewise.
8825 * function.h (struct emit_status): Likewise.
8827 * gcse.c (hash_expr_1): Likewise.
8829 * genattr.c (gen_attr, main): Likewise.
8831 * genattrtab.c (struct function_unit, current_alternative_string,
8832 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8833 attr_numeral, check_attr_test, check_attr_value,
8834 convert_set_attr_alternative, convert_set_attr,
8835 compute_alternative_mask, simplify_by_exploding, gen_attr,
8836 gen_unit): Likewise.
8838 * genflags.c (gen_insn): Likewise.
8840 * gengenrtl.c (type_from_format): Likewise.
8842 * genopinit.c (gen_insn): Likewise.
8844 * genoutput.c (n_occurrences, process_template, process_template):
8847 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8850 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8853 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8854 ggc_set_mark, ggc_get_size): Likewise.
8856 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8858 * optabs.c (init_one_libfunc): Likewise.
8860 * output.h (assemble_start_function): Likewise.
8862 * recog.c (decode_asm_operands): Likewise.
8864 * toplev.c (rest_of_compilation): Likewise.
8866 * tree.h (emit_line_note_after, emit_line_note,
8867 emit_line_note_force): Likewise.
8869 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8870 asm_emit_uninitialised, assemble_start_function,
8871 assemble_variable, const_hash, compare_constant_1,
8872 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8874 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8876 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8878 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8880 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8882 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8883 arm_dllimport_name_p): Likewise.
8885 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8888 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8890 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8892 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8893 arm_mark_dllexport, arm_mark_dllimport,
8894 arm_pe_encode_section_info): Likewise.
8896 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8897 ASM_FINISH_DECLARE_OBJECT): Likewise.
8899 * arm/thumb.c (thumb_function_prologue): Likewise.
8901 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8903 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8905 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8907 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8909 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8911 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8913 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8914 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8916 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8918 * i386/i386.c (asm_output_function_prefix): Likewise.
8920 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8922 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8924 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8926 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8927 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8928 ASM_OUTPUT_SECTION_NAME): Likewise.
8930 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8932 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8934 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8936 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8938 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8940 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8942 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8944 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8946 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8948 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8950 * mips/mips.md (movdi, movsi): Likewise.
8952 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8954 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8956 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8958 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8959 ASM_OUTPUT_ASCII): Likewise.
8961 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8962 output_mi_thunk, output_toc): Likewise.
8964 * rs6000/rs6000.md (movsi): Likewise.
8966 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8968 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8970 * v850/v850.c (print_operand, print_operand_address,
8971 v850_encode_data_area): Likewise.
8973 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8975 * config/mips/mips.md (zero_extendsidi2): Always force operand
8976 one to memory for mips16.
8978 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8980 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8981 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8982 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8983 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8984 (min_precision): Result is unsigned.
8985 (add_double, neg_double, mul_double): Low word is unsigned.
8986 (lshift_double, rshift_double, lrotate_double): Likewise.
8987 (rrotate_double, div_and_round_double): Likewise.
8988 (tree_floor_log2, compare_tree_int): New functions.
8989 (preserve_rtl_expr_temps): New declaration.
8990 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8991 (decl_attributes): Use tree_log2 to find alignment.
8992 Check for TREE_INT_CST_HIGH for format args.
8993 (min_precision): Now unsigned.
8994 Use tree_floor_log2.
8995 (truthvalue_conversion): Delete long-disabled code.
8996 * c-decl.c (finish_struct): Clean up tests on field width.
8997 (finish_function): Use compare_tree_int.
8998 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8999 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9000 (default_conversion, digest_init): Use compare_tree_int.
9001 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9002 Fix type errors in forming masks.
9003 * calls.c (initialize_argument_information): Use compare_tree_int.
9004 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9005 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9006 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9007 (store_field): Use compare_tree_int.
9008 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9009 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9010 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9011 (do_store_flag): Use compare_tree_int.
9012 * fold-const.c (encode, decode): Low part is always unsigned.
9013 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9014 (lshift_double, rshift_double, lrotate_double): Likewise.
9015 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9016 (fold_convert): Use compare_tree_int.
9017 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9018 (invert_truthvalue, case INTEGER_CST): Likewise.
9019 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9020 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9021 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9022 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9024 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9025 (expand_end_case): Use compare_tree_int.
9026 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9027 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9028 (layout_decl): Likewise.
9029 (layout_record, layout_union): Make sizes unsigned.
9030 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9031 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9032 * tree.c (struct type_hash): hashcode is unsigned.
9033 (build_type_attribute_variant, type_hash_list): Likewise.
9034 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9035 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9036 (build_complex_type): Likewise.
9037 (real_value_from_int_cst): Remove unneeded casts.
9038 (integer_all_onesp): Add casts.
9039 (tree_floor_log2, compare_tree_int): New functions.
9040 (build_index_type): Use tree_int_cst_sgn.
9041 * varasm.c (assemble_variable): Use compare_tree_int.
9043 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9045 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9047 * varasm.c (make_decl_rtl): Don't add a number to members of
9049 (make_function_rtl): Likewise.
9051 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9053 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9054 patch from 2000-01-28.
9056 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9058 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9059 filled with an insn from the jump target.
9061 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9063 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9064 (c4x_external_ref): Likewise.
9065 * config/c4x/c4x.c (struct name_list): Likewise.
9067 1999-12-16 Ben Collins <bcollins@debian.org>
9069 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9070 argument to genmultilib.
9071 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9072 the contents into the multilib.h header.
9073 * gcc.c: Declare multilib_exclusions for the specs file.
9074 (set_multilib_dir): Use it.
9075 (print_multilib_info): Likewise.
9076 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9077 to pass to genmultilib.
9079 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9081 * builtins.c (built_in_class_names, built_in_names): Constify a
9084 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9086 (_mcleanup): Ensure value matches format specifier in sprintf.
9088 * cpphash.c (special_symbol): Don't needlessly cast away
9091 * cppinit.c (base_name): Delete unused prototype.
9093 * mkdeps.c (deps_init): Make definition K&R safe.
9095 * tree.h (built_in_class_names, built_in_names): Constify a
9098 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9100 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9101 floating point instructions for epilogue delay.
9103 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9104 to gas if it supports .register pseudo.
9106 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9107 LONG_DOUBLE_TYPE_SIZE if not defined.
9108 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9109 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9111 * gengenrtl.c: Likewise.
9112 * print-rtl.c: Likewise.
9114 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9115 MASK_LONG_DOUBLE_128.
9116 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9117 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9118 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9119 (SUBTARGET_SWITCHES): Define.
9120 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9121 with -mlong-double-128.
9122 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9123 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9124 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9125 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9126 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9127 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9128 with -mlong-double-128.
9129 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9130 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9131 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9132 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9133 TARGET_LONG_DOUBLE_128): Define.
9134 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9135 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9136 long double on TARGET_ARCH64.
9138 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9140 * function.c (free_temps_for_rtl_expr): Don't free slots
9141 that have been pushed into a higher level.
9144 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9146 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9148 * basic-block.h (ALLOCA_REG_SET): Remove.
9149 (INITIALIZE_REG_SET): New macro.
9150 * flow.c (update_life_info): Use it.
9151 (calculate_global_regs_live): Likewise.
9152 (propagate_block): Likewise.
9153 * global.c (build_insn_chain): Likewise.
9154 * haifa-sched.c (schedule_region): Likewise.
9156 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9158 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9159 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9160 (DWARF_ARANGES_PAD_SIZE): New define.
9161 (output_aranges): Use it to pad the address range header.
9162 (DWARF_ROUND): Fix for non power of 2 rounding.
9164 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9166 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9168 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9170 * tree.def (RTL_EXPR): Update documentation.
9171 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9172 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9173 * function.c (preserve_rtl_expr_temp): New function.
9174 (preserve_rtl_expr_temps): Likewise.
9175 (preserve_rtl_expr_result): Use it.
9178 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9180 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9182 * regmove.c (copy_src_to_dest) Do not create src->dest move
9183 for unchanging destination.
9185 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9187 * function.h (struct sequence_stack): Remove rtl_expr.
9188 (struct emit_staus): Likewise.
9189 (seq_rtl_expr): Remove.
9190 * tree.h (free_temps_for_rtl_expr): Don't declare.
9191 (start_sequence_for_rtl_expr): Likewise.
9192 * rtl.h (preserve_rtl_expr_result): Likewise.
9193 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9194 (start_sequence_for_rtl_expr): Remove.
9195 (push_topmost_sequence): Don't save sequence_rtl_expr.
9196 (pop_topmost_sequence): Remove comment about not restoring it.
9197 (end_sequence): Don't set seq_rtl_expr.
9198 (init_emit): Don't initialize it.
9199 (mark_sequence_stack): Don't mark it.
9200 (mark_emit_status): Likewise.
9201 * except.c (protect_with_terminate): Use
9202 start_sequence_for_rtl_expr, not start_sequence.
9203 * expr.c (expand_expr, case RTL_EXPR): Don't call
9204 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9205 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9206 (preserve_rtl_expr_result): Remove.
9207 (free_temps_for_rtl_expr): Likewise.
9208 (pop_temp_slots): Likewise.
9209 (mark_temp_slot): Don't mark the rtl_expr.
9210 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9211 start_sequence_for_rtl_expr.
9213 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9215 * mkdeps.c, mkdeps.h: New files.
9216 * po/POTFILES.in: Add them.
9217 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9218 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9219 (mkdeps.o): New target.
9221 * cppfiles.c: Delete deps_output.
9222 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9223 OBJECT_SUFFIX, and base_name.
9224 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9226 (initialize_dependency_output): Use deps_init,
9227 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9228 all the unnecessary string bashing.
9229 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9231 * cpplib.c (do_include): Use deps_add_dep.
9232 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9233 deps_allocated_size, deps_size, deps_column members with
9234 single pointer to a struct deps. Delete prototype of
9237 * cppinit.c: Fix thinko in previous patch.
9239 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9241 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9242 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9243 (mode_for_size_tree): New function.
9244 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9245 * tree.h (mode_for_size_tree): New declaration.
9247 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9249 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9251 * stmt.c (is_body_block): Move...
9252 * dwarfout.c, dwarf2out.c: ...from here.
9253 * tree.h: Declare it.
9254 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9255 * final.c (final_start_function): Do call remove_unnecessary_notes
9258 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9260 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9262 * cpplib.h (_dollar_ok): New macro.
9263 (is_idchar, is_idstart): Use it.
9264 (IStable): Rename to _cpp_IStable. Declare it const if
9265 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9266 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9267 is_space): Update for renamed IStable.
9269 * cppinit.c: Delete all references to FAKE_CONST and CAT
9270 macros. Define init_IStable as empty macro if gcc >=2.7 or
9271 C99. Change TABLE() to ISTABLE and hardcode name of table.
9272 (cpp_start_read): Don't change the IStable based on
9275 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9276 changed. Handle '$' for char1 correctly.
9277 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9279 * cppexp.c (tokentab2): Make const.
9280 (cpp_lex): Make toktab const.
9281 * cppinit.c (include_defaults_array): Make const.
9282 (initialize_standard_includes): Make default_include const.
9284 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9286 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9287 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9288 (gen_decl_die): Likewise.
9289 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9290 (output_decl): Likewise.
9292 * varasm.c (make_function_rtl): If we change the name used in the
9293 rtl, update DECL_ASSEMBLER_NAME accordingly.
9294 (make_decl_rtl): Likewise.
9296 * toplev.c (rest_of_compilation): Tweak formatting.
9298 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9299 remove_unnecessary_notes.
9300 (debug_ignore_block): New fn.
9301 * toplev.h: Declare it.
9302 * emit-rtl.c (remove_unncessary_notes): Call it.
9303 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9304 * dwarf2out.h: Declare it.
9305 * final.c (final_start_function): Don't call remove_unnecessary_notes
9306 if we did insn scheduling.
9308 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9310 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9311 * cpplib.h: Delete SET_CPP_PEDANTIC.
9313 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9315 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9316 result is a RECORD_TYPE.
9318 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9320 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9322 2000-03-03 Richard Henderson <rth@cygnus.com>
9324 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9325 addition over compliments over shifts.
9327 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9329 * reload1.c (reload_combine_note_use): Handle return register USEs.
9330 REG case: Handle multi-hard-register hard regs.
9332 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9334 * md.texi: Document use of '*' in insn pattern name.
9336 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9338 * calls.c (special_function_p): operator new may not be malloc-like.
9340 * gcse.c (dump_hash_table): Really fix error in last change.
9342 2000-03-02 Denis Chertykov <denisc@overta.ru>
9344 * avr.c (print_operand): Use print_operand_address instead of
9346 * avr/libgcc.S: Cleanup code.
9348 2000-03-02 Richard Henderson <rth@cygnus.com>
9350 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9352 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9354 * tree.h (TYPE_ALIGN_UNIT): New macro.
9356 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9358 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9360 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9362 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9364 (SET_CPP_PEDANTIC): New macro.
9365 * cpplib.c (do_include): Don't bother checking system_header_p.
9366 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9367 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9369 * function.h (struct expr_status): Add x_arg_space_so_far.
9370 (arg_space_so_far): New macro.
9371 * expr.c (init_expr): Initialize it.
9372 * calls.c (emit_call_1): Reset it.
9373 (compute_argument_block_size, expand_call): Use it.
9374 (expand_call, store_one_arg): Increment it.
9376 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9378 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9381 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9383 * cppfiles.c (cpp_read_file): New function.
9385 * cpphash.c (collect_expansion): Make sure to reset last_token
9386 to NORM when we hit a string. Handle trailing whitespace
9387 properly when the expansion is empty.
9388 (create_definition): Disable line commands while parsing the
9390 (dump_definition): If pfile->lineno == 0, output a line
9391 command ahead of the dump, and add a trailing newline.
9393 * cppinit.c (append_include_chain): Add fifth argument, which
9394 indicates whether or not system headers are C++ aware.
9395 (initialize_standard_includes): New function,
9396 broken out of read_and_prescan. Pass 'cxx_aware' value from
9397 the include_defaults_array on to append_include_chain.
9398 (dump_special_to_buffer): Const-ify char array.
9399 (builtin_array): Don't dump __BASE_FILE__.
9400 (cpp_start_read): Use cpp_read_file. Reorder code for
9401 clarity. Don't output line commands here for -D/-A/-U
9402 switches. Don't call deps_output for files included with
9403 -include or -imacros.
9405 * cpplib.c (do_define): Don't pay any attention to the second
9407 (cpp_expand_to_buffer): Disable line commands while scanning.
9408 (output_line_command): Work in the file buffer.
9409 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9410 Fix formatting of comments. Prototype cpp_read_file.
9412 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9414 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9415 reference the language-equivalent of sizetype.
9416 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9417 * fold-const.c (size_binop, size_diffop): Put back checks.
9418 * gcse.c (dump_hash_table): Fix minor error in last change.
9419 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9420 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9423 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9425 * calls.c (expand_call) Do not attempt to combine stack adjustments
9426 with inhibit_defer_pop set.
9428 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9430 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9431 the DECL_SIZE for a FIELD_DECL.
9433 2000-03-01 Bruce Korb <bkorb@gnu.org>
9435 * fixinc/inclhack.tpl: remove unused symlinks
9436 * fixinc/README: GCC Maintainer info
9437 * fixinc/inclhack.sh: regen
9438 * fixinc/fixincl.sh: regen
9440 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9442 * cpphash.c (collect_expansion): Trim trailing white space
9443 from macro definitions, but don't go past the last insertion
9446 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9448 * i386.md (mulqi3): New pattern.
9450 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9452 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9454 (struct cpp_reader): Add parsing_if_directive and
9455 parsing_define_directive flags.
9456 (struct cpp_options): Remove output_conditionals flag.
9457 (check_macro_name): Delete prototype.
9459 * cpphash.h (struct macrodef): Delete.
9460 (struct reflist): Separate from struct definition.
9461 (struct definition): Remove unused fields. Add column number.
9462 (create_definition): Returns a DEFINITION *. Takes a
9463 cpp_reader * and an int.
9465 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9466 (PEEKC): Copy defn from cpplib.c.
9467 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9469 (struct arglist): Simplify.
9470 (collect_expansion): Rewrite. Get tokens by calling
9471 cpp_get_token. Add more error checking.
9472 (collect_formal_parameters): New function, broken out of
9473 create_definition and reworked to use get_directive_token.
9474 (create_definition): All real work is now in collect_expansion
9475 and collect_formal_parameters. do_define handles finding the
9476 macro name. Return a DEFINITION, not a MACRODEF.
9477 (macroexpand): Replace bcopy with memcpy throughout. Replace
9478 character-at-a-time copy loop with memcpy and pointer increments.
9479 (compare-defs): d1->argnames / d2->argnames might be null.
9481 * cpplib.c (copy_rest_of_line): Delete function.
9482 (skip_rest_of_line): Do all the work ourselves.
9483 (skip_string): New function.
9484 (parse_string): Use skip_string.
9485 (get_macro_name): New function.
9486 (check_macro_name): Delete.
9487 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9488 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9489 (handle_directive): ICE if we're called on a macro buffer.
9490 (do_define): Determine macro name and type (funlike/objlike)
9491 here. Expunge all uses of MACRODEF.
9492 (cpp_push_buffer): Set line_base to NULL.
9493 (do_undef, read_line_number): Don't worry about getting a POP token.
9494 (eval_if_expression): Set/reset parsing_if_directive around
9495 cpp_parse_expr. Don't clear only_seen_white.
9496 (skip_if_group): Remove output_conditionals logic. Use
9498 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9499 tokens under appropriate conditions.
9500 (cpp_unassert): Call do_unassert not do_assert. Oops.
9502 * cppexp.c (parse_defined): New function, break out of
9504 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9505 ourselves, with cpp_defined.
9506 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9508 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9509 * gcc.dg/strpaste-2.c: New.
9511 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9513 * fold-const.c (size_binop): Don't asert inputs are the same and
9514 have TYPE_IS_SIZETYPE set.
9515 (size_diffop): Likewise.
9517 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9519 * dwarfout.c (output_block): Output abstract blocks even if they
9520 don't have TREE_ASM_WRITTEN set.
9522 * calls.c (emit_library_call): Check for null REG.
9524 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9526 * c-decl.c (current_function_decl): Move to toplev.c.
9527 (init_decl_processing): Don't add current_function_decl as a ggc
9529 * dbxout.c (dbxout_symbol): Change return type to int.
9530 (dbxout_symbol_location, dbxout_syms): Likewise.
9531 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9532 any locals. Use current_function_func_begin_label if set.
9533 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9534 * dwarf2out.c (dwarf2out_begin_prologue): Set
9535 current_function_func_begin_label.
9536 * final.c (final_start_function): Reset it.
9537 * toplev.c (current_function_decl): Define it here.
9538 (current_function_func_begin_label): New variable.
9539 (main): Add both as ggc roots.
9540 * tree.h (current_function_func_begin_label): Declare.
9542 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9544 * gcse.c: Cleanups throughout: mostly white-space, but also
9545 some minor rearrangement of code.
9547 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9549 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9550 returns a PARALLEL. Use emit_group_load and use_group_regs
9552 (emit_library_call_value): Similarly.
9554 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9555 * pa/quadlib.asm: Remove.
9556 * pa/quadlib.c: New file.
9558 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9559 * configure: Rebuilt.
9561 2000-02-29 Philip Blundell <pb@futuretv.com>
9563 * config/arm/conix-elf.h: New file.
9564 * configure.in (arm*-*-conix*): New configuration.
9565 * configure: Regenerate.
9567 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9569 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9570 don't have TREE_ASM_WRITTEN set.
9572 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9574 * Eliminate DECL_FIELD_SIZE.
9575 * builtins.c (built_in_class_names, built_in_names): New variables.
9576 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9577 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9578 DECL_SIZE, not DECL_FIELD_SIZE.
9579 * print-tree.c (print_node): Remove code that prints extra blank
9580 lines in some cases.
9581 Properly handle inline and builtin function cases.
9582 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9583 * tree.h (built_in_class_named, built_in_names): New declarations.
9584 (union tree_decl): Rename internal unions to u1 and u2 and change
9585 some of their components.
9586 Add new field built_in_class.
9587 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9588 Reflect above changes.
9589 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9590 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9591 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9592 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9594 2000-02-28 Dmitri Makarov <dim@windriver.com>
9596 * extend.texi: Document ARM's support for long/short calls.
9598 * invoke.texi: Document ARM's -mlong-calls command line switch.
9600 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9601 (arm_encode_call_attribute): Add prototype.
9602 (arm_set_default_type_attribute): Add prototype.
9603 (arm_strip_name_encoding): Add prototype.
9605 * config/arm/arm.c (arm_init_cumulative_args): replace
9606 initialisation og 'long_calls' field with initialisation of
9607 'call_cookie' field.
9608 (enum arm_pragma_enum): New enum.
9609 (arm_pragma_long_calls): New static variable.
9610 (arm_process_pragma): Also process "#pragma long_calls_off".
9611 (arm_valid_type_attribute_p): Accept short_call attribute.
9612 (arm_comp_type_attributes): Check long/short call attributes.
9613 (arm_encode_call_attribute): New function: Encode long_call
9614 or short_call attribute in function name.
9615 (arm_set_default_type_attributes): New function: Assign
9616 default attributes to newly defined type.
9617 (current_file_function_operand): New function: Return true if
9618 the symbol is a function which has already been compiled.
9619 (arm_is_longcall_p): New function: Return true if the
9620 indicated function should be called via a long call.
9621 (arm_get_strip_length): New function. Returns number of
9622 prefix characters to be stripped from a function's name.
9623 (arm_strip_name_encoding): New function. Strip prefix characters
9624 from a function's name.
9626 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9628 (SHORT_CALL_FAG_CHAR): Define.
9629 (LONG_CALL_FAG_CHAR): Define.
9630 (ENCODED_SHORT_CALL_ATTR_P): Define.
9631 (ENCODED_LONG_CALL_ATTR_P): Define.
9632 (ARM_NAME_ENCODING_LENGTHS): Define.
9633 (STRIP_NAME_ENCODING): Define.
9634 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9635 (ARM_ENCODE_CALL_TYPE): Define.
9636 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9637 (ARM_DECLARE_FUNCTION_SIZE): Define.
9638 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9640 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9641 if a long call is needed.
9642 (call_value): Ditto.
9643 (call_symbol): Ditto.
9645 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9646 ARM_DECLARE_FUNCTION_SIZE.
9648 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9649 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9650 (ARM_STRIP_NAME_ENCODING): Undefine.
9651 (STRIP_NAME_ENCODING): Undefine.
9652 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9653 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9654 (ASM_OUTPUT_COMMON): Ditto.
9655 (ASM_DECLARE_OBJECT_NAME): Ditto.
9657 * config/arm/pe.c (arm_dllexport_name_p): Check for
9659 (arm_dllimport_name_p): Ditto.
9660 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9661 (arm_mark_dllimport): Ditto.
9663 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9665 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9667 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9669 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9671 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9673 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9674 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9675 NO_BUILTIN_WCHAR_TYPE is not defined.
9676 (CPP_WCHAR_TYPE): Delete.
9677 * cccp.c (main): Don't change wchar_type if cplusplus.
9678 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9680 2000-02-28 Nick Clifton <nickc@cygnus.com>
9682 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9684 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9686 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9687 (ASM_WEAKEN_LABEL): Define.
9689 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9691 * expr.c (store_constructor): Do not emit USE.
9692 * rtl.h (stupid_life_analysis): Remove.
9694 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9696 * function.c (number_blocks): Reset next_block_index based on
9697 what debugging format is used, not what is defined.
9699 * lcm.c: Minor reformatting throughout.
9700 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9702 * toplev.c (rest_of_compilation): Account for time in
9703 optimize_mode_switching.
9705 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9706 if only marking labels.
9708 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9710 * calls.c (expand_call): Attempt to combine stack adjustments with
9711 pending stack adjustments.
9713 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9715 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9716 to the end of the function.
9718 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9720 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9722 * final.c (next_block_index): Remove.
9723 (max_block_depth): Likewise.
9724 (pending_blocks): Likewise.
9725 (init_final): Don't initialize them.
9726 (final_start_function): Don't set next_block_index. Set up
9728 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9729 * function.h (number_blocks): New function.
9730 * function.c (get_block_vector): New function.
9731 (identify_blocks): Use it.
9732 (reorder_blocks): Set NOTE_BLOCK.
9733 (number_blocks): New function.
9734 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9735 * tree.h (BLOCK_NUMBER): New macro.
9736 (tree_block): Add block_num field.
9737 * dbxout.c (next_block_number): Remove.
9738 (dbxout_init): Don't set it.
9739 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9740 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9742 * toplev.c (rest_of_compilation): Always call
9743 find_loop_tree_blocks. Fix indentation.
9744 * dwarf2out.c (next_block_number): Remove.
9745 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9746 to determine block numbers.
9747 (gen_inlined_subroutine_die): Likewise.
9748 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9749 (decls_for_scope): Don't increment next_block_number.
9750 * dwarfout.c (next_block_number): Remove.
9751 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9752 to determine block numbers.
9753 (output_inlined_subroutine_die): Likewise.
9754 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9755 (output_decls_for_scope): Don't increment next_block_number.
9756 * sdbout.c (next_block_number): Remove.
9757 (sdbout_block): Use BLOCK_NUMBER.
9758 (sdbout_begin_block): Simplify.
9759 * xcoffout.c (next_block_number): Remove.
9760 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9761 (xcoffout_begin_block): Don't set next_block_number.
9762 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9765 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9767 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9768 (expand_builtin_strcpy): Pass correct type to size_binop.
9769 (expand_builtin_strcmp): Likewise.
9770 Clean up conditional structure.
9771 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9772 (complete_array_type): Don't use size_binop for MAXINDEX.
9773 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9774 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9775 (c_alignof): Use size_one_node.
9776 (build_unary_op): Pass arg of proper type to size_binop.
9777 (really_start_incremental_init, push_init_level): Use sizetype for
9778 constructor{,_bit,_unfilled}_index.
9779 (pop_init_label, output_init_element): Likewise.
9780 (output_pending_init_elements, process_init_element): Likewise.
9781 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9782 * expr.c (store_expr): Use size_int.
9783 (store_constructor): Use proper types for size_binop args.
9784 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9785 (expand_expr_unaligned): Likewise.
9786 (string_contant): Return object of sizetype.
9787 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9788 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9789 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9790 * fold-const.c (int_const_binop): Refine when size_int is called.
9791 (fold_convert): Likewise.
9792 (size_int_wide): Rework to take KIND as arg, only take low order
9793 bits, handle new sizetype_tab datatype, and chain entries in
9795 (size_int_type_wide): New function.
9796 (size_binop): Validate types of arguments.
9797 (ssize_binop): Deleted.
9798 (size_diffop): New function.
9799 (extract_muldiv): Only fold division into multiplication for sizetypes.
9800 * function.c (assign_parms): Use size_diffop and make sure
9801 VAR field is of ssizetype; also pass proper type to size_binop.
9802 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9803 (round_down): Deleted from here.
9804 * store-layout.c (sizetype_tab): Now an array.
9805 (sizetype_set, early_root_list): New variables.
9806 (variable_size): Use size_one_node.
9807 (round_up): Pass proper type to size_binop.
9808 (round_down): Moved to here and corrected as above.
9809 (layout_record): Pass proper arg types to size_binop.
9810 (layout_type): Likewise.
9811 If sizetype_set is zero, record the type just laid out.
9812 (make_unsigned_type): Don't call set_sizetype;
9813 (make_signed_type): Likewise; also, call fixup_signed_type.
9814 (initialize_sizetypes): New function.
9815 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9816 set name of bitsizetype to "bit_size_type".
9817 Fix up type of sizes of all types made before call.
9818 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9819 * tree.c (fix_sizetype): Deleted.
9820 (build_common_tree_nodes): Call initialize_sizetypes.
9821 (build_common_tree_nodes_2): Don't call fix_sizetype.
9822 * tree.h (TYPE_IS_SIZETYPE): New macro.
9823 (initialize_sizetype): New declaration.
9824 (enum size_type_kind): New type.
9825 (struct sizetype_tab): Deleted.
9826 (sizetype_tab): Now array; adjust sizetype macros.
9827 (size_diffop, size_int_type_wide): New functions.
9828 (size_int_wide): Change number of args and type; access macros changed.
9829 (ssize_int, sbitsize_int): New macros.
9830 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9831 (ROUND_TYPE_SIZE_UNIT): New macro.
9833 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9835 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9837 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9839 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9840 Mark as possibly unused.
9842 * cse.c (cse_insn): Delete dead code involving tablejump.
9843 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9845 * Makefile.in (libcpp.a): Start by deleting it.
9847 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9849 * cpplib.h (enum file_change_code): Added rename_file.
9850 * cpplib.c (do_line): If a filename is given, set file_change to
9852 (output_line_command): If file_change is rename_file, always
9853 output a # directive with the file name.
9855 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9857 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9859 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9860 when copying a PARM_DECL or RESULT_DECL.
9862 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9864 * fix-header.c (recognized_function): Also fix prototypes for
9865 functions taking "void".
9867 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9869 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9870 looking at reg_reloaded_contents.
9872 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9874 * Makefile.in (STMP_FIXINC): New toggle.
9875 (LIBGCC2_DEPS): Delete all references.
9876 (stmp-headers): Delete target. All references either deleted
9877 or changed to stmp-int-headers.
9878 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9879 (LIBCPP_OBJS): Take out cppalloc.o.
9880 (cppalloc.o): Delete target.
9881 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9882 (gen-protos, fix-header): Link with libiberty.a.
9883 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9886 * configure.in: Remove refs to strerror.
9887 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9888 * system.h: Take out strerror stanza.
9890 * cpperror.c (my_strerror): Delete function.
9891 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9892 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9893 * cppalloc.c: Delete file.
9894 * gen-protos.c: Don't provide xrealloc.
9896 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9897 xstrerror throughout.
9899 2000-02-26 Bruce Korb <bkorb@gnu.org>
9901 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9902 match for DOS headers, too.
9903 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9905 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9907 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9908 is right for most ELF targets.
9909 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9910 Let the default file use %U properly.
9911 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9914 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9917 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9919 * toplev.c (documented_lang_options): Correct spelling error.
9920 (decode_d_option, decode_f_option, main): Likewise.
9922 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9924 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9925 to tell assembler it is permitted to expand large constants.
9927 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9929 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9930 (aux_info_suffix): Use.
9931 (SAVE_SUFFIX): New macro.
9933 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9934 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9935 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9937 * invoke.texi (Running Protoize): Update documentation.
9939 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9941 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9943 2000-02-25 John Wehle (john@feith.com)
9945 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9947 2000-02-25 Anthony Green <green@cygnus.com>
9949 * toplev.c (rest_of_compilation): Rebuild jump labels if
9950 combine_instructions has created a new direct jump.
9951 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9953 (combine_instructions): Call try_combine with new argument.
9954 Return non-null value when new direct jump instruction is created.
9955 * rtl.h: combine_instructions returns an int.
9957 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9959 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9960 jump when changing a computed jump into a jump to a known
9963 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9965 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9966 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9968 * i386.md (define_expand "clrstrsi"): Fix typo.
9970 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9972 * rtl.texi: Fix typo.
9974 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9976 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9977 UNITS_PER_WORD. Change caller initial_elimination_offset.
9978 (rounded_frame_size): Take into account that argument pushed has
9979 changed. Fix TARGET_ALIGN_DOUBLE problem.
9981 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9983 * haifa-sched.c (schedule_block): Explain the real reason
9984 we delete REG_SAVE_NOTEs on the first insn of a block.
9985 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9987 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9989 * input.h (push_srcloc): New function.
9990 (pop_srcloc): Likewise.
9991 * toplev.c (push_srcloc): Define it.
9992 (pop_srcloc): Likewise.
9994 2000-02-24 Richard Henderson <rth@cygnus.com>
9996 * flow.c (life_analysis): When collecting reg info, clear
9999 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10001 Fix bug exposed by reload.c no longer rounding the frame
10002 size to BIGGEST_ALIGNMENT:
10003 * sh.c (rounded_frame_size): New function.
10004 (sh_expand_prologue, sh_expand_epilogue): Use it.
10005 (initial_elimination_offset): Likewise.
10007 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10009 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10010 * sh-protos.h (sh_need_epilogue): Declare.
10011 * sh.c (sh_need_epilogue_known): New static variable.
10012 (sh_need_epilogue): New function.
10013 (function_epilogue): Clear need_epilogue_known.
10014 * sh.md (return): Split into expander / insn pattern.
10015 Make the expander conditional on ! sh_need_epilogue ().
10017 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10019 * machmode.h (get_mode_alignment): Declare.
10020 (GET_MODE_ALIGNMENT): Call it.
10021 * stor-layout.c (get_mode_alignment): New function. Make
10022 sure alignment is always power of 2.
10024 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10026 * i386.h: Remove useless definition of "I386" and misleading
10029 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10031 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10032 under which TREE_PERMANENT will be set.
10033 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10034 build1): Use TREE_SET_PERMANENT.
10035 * print-tree.c (print_node): Don't report value of
10036 TREE_PERMANENT if ggc_p is true.
10038 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10039 decide whether to give a type a new alias set.
10040 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10041 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10042 of value of 'obstack'.
10045 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10047 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10049 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10051 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10052 * cpplib.c (cpp_get_token): Produce them.
10053 * cppexp.c (cpp_lex): Handle them.
10055 2000-02-23 Nick Clifton <nickc@cygnus.com>
10057 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10058 comment tests on type attributes.
10060 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10062 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10063 conform to documentation.
10064 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10065 to check for special cases.
10066 * sh-protos.h (sh_loop_align): Declare.
10067 * sh.c (sh_loop_align): Define.
10069 2000-02-22 Andrew Haley <aph@cygnus.com>
10071 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10072 (SIZE_TYPE): Is 32 bits when using -mgp32.
10073 (PTRDIFF_TYPE): Ditto.
10075 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10077 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10079 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10081 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10082 BIGGEST_FIELD_ALIGNMENT a constant.
10084 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10086 * dwarf2out.c (output_line_info): Put the marker for the end of
10087 the line number info at the actual end.
10088 (gen_struct_or_union_type_die): Use decl_function_context
10089 to check for local classes.
10090 * dwarfout.c (output_type): Likewise.
10092 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10094 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10095 for arguments with a mode, but no type.
10096 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10097 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10098 * pa/long_double.h: New file.
10099 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10100 both have 128bit wide long doubles.
10101 * configure: Rebuilt.
10103 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10105 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10107 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10108 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10109 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10111 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10113 * integrate.c (compare_blocks, find_block): Likewise.
10115 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10117 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10119 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10120 expand_asm_operands): Likewise.
10122 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10124 * predict.c (estimate_probability): Added the pointer heuristic to
10125 the collection of static branch predictors.
10127 2000-02-21 Catherine Moore <clm@cygnus.com>
10129 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10130 * invoke.texi (-mfix7000): Document.
10132 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10134 * diagnostic.c (init_output_buffer): Make it possible to output at
10135 least 32 characters if we're given a too long prefix.
10137 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10139 * varasm.c (initializer_constant_valid_p): Call
10140 lang_expand_constant to simplify the constant.
10142 2000-02-20 Bruce Korb <bkorb@gnu.org>
10144 * fixinc/inclhack.def(stdio_va_list):
10145 typedef needs to be disabled.
10146 * fixinc/inclhack.sh: regen
10147 * fixinc/fixincl.x: regen
10149 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10151 * print-rtl.c (print_rtx): Don't print addresses when
10152 flag_dump_unnumbered.
10154 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10156 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10158 (sparc_va_arg, sparc_flat_output_function_prologue,
10159 sparc_flat_output_function_epilogue): Cast value to unsigned in
10161 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10163 * sparc.md: Add default case in switch.
10165 2000-02-19 Richard Henderson <rth@cygnus.com>
10167 * c-typeck.c (add_pending_init): Don't abort for multiple
10168 fields at the same offset.
10169 (pending_init_member): Test the correct member.
10171 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10173 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10175 (start_catch_handler) : Same.
10177 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10179 * Makefile.in: Have flow.o depend on $(EXPR_H)
10181 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10183 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10184 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10185 (finish_decl): Remove -Wlarger-than code from here.
10186 * flags.h (id_clash_len): Now int.
10187 (larger_than_size): Now HOST_WIDE_INT.
10188 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10189 Clean up checking to see if in table.
10190 (make_bit_field_ref): Remove extra parm to bitsize_int.
10191 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10192 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10193 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10194 and for computing size of decl.
10195 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10196 Move -Wlarger-than code to here.
10197 (layout_record): Remove extra arg to bitsize_int.
10198 Set TYPE_BINFO_SIZE_UNIT.
10199 (layout_union): Remove extra arg to bitsize_int.
10200 Use proper type for size of QUAL_UNION.
10201 (layout_type): Remove extra arg to bitsize_int.
10202 * toplev.c (id_clash_len): Now int.
10203 (larger_than_size): Now HOST_WIDE_INT.
10204 (decode_W_option): Clean up id-clash and larger-than- cases.
10205 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10206 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10207 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10208 (struct tree_decl): New field size_unit.
10209 (size_int_wide): No HIGH operand; NUMBER is now signed.
10210 (size_int_2): Deleted.
10211 (size_int, bitsize_int): Don't use it and rework args.
10212 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10214 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10216 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10218 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10220 * invoke.texi (Warning Options): Add an explanation of why
10221 you might want the -Wfloat-equal flag.
10223 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10225 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10226 * cppinit.c (new_pending_define): Add cast to avoid warning.
10227 * expmed.c (extract_bit_field): Likewise.
10228 * flow.c (enum reorder_skip_type): New type.
10229 (skip_insns_between_blcok): New it.
10230 Rework to avoid warning about possibly undefined variable.
10231 * function.c (assign_parms): Make thisparm_boundary unsigned.
10232 * genrecog.c (write_switch): Cast XWINT result to int.
10233 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10234 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10235 one for MIPS and one for Alpha.
10236 (get_tag, copy_object): Add casts to avoid warnings.
10237 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10238 * reload.c (find_reloads): Make TYPE enum reload_type.
10239 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10240 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10241 * varasm.c (compare_constant_1): Add cast to avoid warning.
10242 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10244 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10245 Cast switch operand of size to int.
10246 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10247 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10250 2000-02-18 Nick Clifton <nickc@cygnus.com>
10252 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10253 anything for an alignment of zero.
10255 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10256 anything for an alignment of zero.
10258 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10260 * gcc.texi (Bug Reporting): Refer to bugs.html.
10261 (Bug Lists): Likewise.
10262 * system.h (GCCBUGURL): New preprocessor define.
10263 * rtl.c (fancy_abort): Use it.
10264 * gcc.c (main): Likewise.
10266 2000-02-18 Richard Henderson <rth@cygnus.com>
10268 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10269 (life_analysis_1): Subsume into ...
10270 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10271 Use update_life_info for the relaxation.
10272 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10273 entry and regs_live_at_setjmp.
10274 (set_noop_p): Simplify.
10275 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10276 (record_volatile_insns): Split into ...
10277 (delete_noop_moves): ... here,
10278 (notice_stack_pointer_modification): ... here,
10279 (insn_dead_p): ... and here.
10280 (propagate_block): Don't query INSN_VOLATILE.
10281 (mark_used_regs): Mind !PROP_REG_INFO.
10282 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10283 not in life_analysis.
10285 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10287 * loop.c (canonicalize_condition): New function,
10288 broken out of get_condition.
10289 (get_condition): Use it.
10290 * expr.h (canonicalize_condition): Prototype it.
10292 * tree.h (tree_int_cst_msb): Declare.
10293 * tree.c (tree_int_cst_msb): New function.
10295 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10297 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10300 * invoke.texi (-fmessage-length=n): Document.
10302 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10304 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10306 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10308 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10309 after the prologue.
10311 2000-02-17 Nick Clifton <nickc@cygnus.com>
10313 * config/arm/thumb.c: Replace includes of system headers with
10314 #include "system.h".
10316 2000-02-16 Richard Henderson <rth@cygnus.com>
10318 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10319 Add crtbeginS.o and crtendS.o.
10320 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10321 (ENDFILE_SPEC): Use crtendS.o.
10322 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10324 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10325 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10326 shared and present.
10327 (__dso_handle): New variable.
10328 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10329 bias to __CTOR_END__.
10331 2000-02-16 Richard Henderson <rth@cygnus.com>
10333 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10335 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10337 * longlong.h (__clz_tab): Declare as static to match definition.
10339 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10341 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10342 (XREF_FILE_NAME): Define.
10344 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10345 (EH_FRAME_SECTION_ASM_OP): Define.
10346 (IDENT_ASM_OP): Define.
10347 (TEXT_SECTION_ASM_OP): Define.
10348 (CPP_SPEC): Define.
10349 (CTORS_SECTION_ASM_OP): Define.
10350 (CTOR_SECTION_FUNCTION): Use it.
10351 (DTORS_SECTION_ASM_OP): Define.
10352 (DTOR_SECTION_FUNCTION): Use it.
10354 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10356 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10359 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10360 debug_bb_n): New functions.
10361 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10362 * basic-block.h: Prototype new functions.
10364 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10366 * configure.in: Add support for avr target.
10367 * configure: Rebuilt.
10369 * invoke.texi: Add AVR invocation docs.
10370 * install.texi: Add information about AVR.
10371 * md.texi: Add AVR constraint letters description.
10372 * extend.texi: Add description for AVR specific attributes.
10374 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10376 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10378 2000-02-16 Nick Clifton <nickc@cygnus.com>
10380 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10381 (make_insn_raw): Move RTL check here.
10383 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10385 * version.c: Include gansidecl.h and version.h.
10387 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10389 * configure.in (gcc_version): When setting, narrow search to
10390 lines containing `version_string'.
10392 * Makefile.in (mainversion): Likewise.
10393 (GCC_H): New variable.
10394 (gcc.h): Delete target.
10395 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10396 (version.o): Depend on version.h.
10397 (dbxout.o): Don't depend on gcc.h.
10399 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10400 Michael Meissner <meissner@cygnus.com>
10402 * md.texi (Simple Constraints): Add item about whitespace.
10403 * genoutput.c (strip_whitespace): New.
10404 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10405 strip_whitespace for constraints.
10406 Test pointer using NULL, not 0.
10408 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10410 * cpplib.c (do_line): Pedwarn for #line > 32767.
10412 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10414 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10416 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10417 to default cpp spec.
10418 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10419 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10422 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10425 2000-02-15 Denis Chertykov <denisc@overta.ru>
10427 * configure.in: Add support for avr target.
10429 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10431 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10432 (sh_addr_diff_vec_mode): Don't declare.
10433 * sh.c (sh_addr_diff_vec_mode): Delete.
10435 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10437 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10439 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10441 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10442 (smulsi3_highpart_i): Name.
10443 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10444 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10445 (smulsi3_highpart, umulsi3_highpart): Likewise.
10447 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10448 correctly independent of endianness.
10449 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10450 confuse the optimizers.
10451 (mulsidi3+1, umulsidi3+1): New define_split.
10453 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10455 * config/sh/sh.md: Guard insn splits against illegal registers.
10456 * config/sh/sh.h: Correct comment about macros.
10458 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10459 Andrew MacLeod <amacleod@cygnus.com>
10461 * Makefile.in (lcm.o): Depend on insn-attr.h.
10462 * basic-block.h (optimize_mode_switching): Declare.
10463 * lcm.c (tm_p.h, insn-attr.h): #include.
10464 (seginfo, bb_info): New structs.
10465 (antic, transp, comp, delete, insert) : New file-scope static variables.
10466 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10467 (reg_becomes_live, optimize_mode_switching): Likewise.
10468 * tm.texi: Add description of mode switching macros.
10469 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10471 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10472 (fldi_ok, fpscr_set_from_mem): New prototypes.
10473 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10474 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10475 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10476 (sh_flag_remove_dead_before_cse): Remove declaration.
10477 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10478 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10479 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10480 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10481 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10482 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10483 (fldi_ok): New function.
10484 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10485 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10486 (emit_df_insn): Likewise.
10487 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10488 (sh_flag_remove_dead_before_cse): Delete.
10489 (get_free_reg, fpscr_set_from_mem): New functions.
10490 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10491 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10493 2000-02-15 Loren Rittle <ljrittle@acm.org>
10495 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10497 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10499 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10500 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10502 * cccp.c: Include version.h and/or don't declare `version_string'.
10503 * collect2.c: Likewise.
10504 * alpha.c: Likewise.
10505 * arm/aof.h: Likewise.
10506 * arm/coff.h: Likewise.
10507 * arm/elf.h: Likewise.
10508 * arm/pe.h: Likewise.
10509 * arm/tcoff.h: Likewise.
10510 * arm/telf.h: Likewise.
10511 * arm/tpe.h: Likewise.
10512 * arm/vxarm.h: Likewise.
10513 * convex/convex.c: Likewise.
10514 * i386/dgux.c: Likewise.
10515 * i386/sun386.h: Likewise.
10516 * m88k/m88k.c: Likewise.
10517 * mcore/mcore-pe.h: Likewise.
10518 * mips/mips.h: Likewise.
10519 * romp/romp.h: Likewise.
10520 * sh/sh.c: Likewise.
10521 * cpphash.c: Likewise.
10522 * cppinit.c: Likewise.
10523 * dwarf2out.c: Likewise.
10524 * dwarfout.c: Likewise.
10527 * mips-tfile.c: Likewise.
10528 * protoize.c: Likewise.
10529 * toplev.c: Likewise.
10530 * tree.h: Likewise.
10532 * version.c (version_string): Constify a char*.
10534 * version.h: New file.
10536 2000-02-14 Nick Clifton <nickc@cygnus.com>
10538 * configure.in: Add mcore-elf and mcore-pe targets.
10539 * configure: Regenerate.
10541 * NEWS: Add note that MCore port has been contributed.
10543 * invoke.texi: Document command line switches for MCore port.
10544 * install.texi: Add MCore to list of supported targets.
10546 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10548 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10549 then we will need to import the frame handling functions.
10550 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10551 to import the frames themselves.
10553 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10554 Jason Eckhardt <jle@cygnus.com>
10556 * basic_block.h: Added prototype for reorder_basic_blocks.
10557 * toplev.c: Changes to add -freorder-blocks and graph dump after
10558 block reordering is done.
10559 * flow.c (reorder_block_def): New structure for use during block
10561 (REORDER_BLOCK_*): New macros to access members of above structure.
10562 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10563 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10564 functions for block reordering.
10566 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10568 * gcc.texi (Passes): Fix typo.
10569 * md.texi (Standard Names): Ditto.
10570 * tm.texi (Storage Layout): Ditto.
10572 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10574 * cpplib.c (do_define): Only free the old definition if it
10577 2000-02-13 Neil Booth <NeilB@earthling.net>
10579 * cppfiles.c (read_and_prescan): When emitting deferred
10580 newlines, test speccase[] again instead of checking each
10581 possible whitespace character in turn. When we encounter \r,
10582 look behind for \n first, then ahead.
10584 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10586 * cse.c (cse_altered): New internal flag.
10587 (cse_insn): Set it if we changed an insn.
10588 (cse_main): Clear cse_altered before each basic block.
10589 Only garbage collect if cse_altered is true afterward.
10591 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10593 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10595 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10597 * combine.c (simplify_comparison): Fix typo.
10599 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10601 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10604 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10606 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10607 previously inserted node instead of root node. Caller changed.
10609 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10611 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10613 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10615 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10616 __dereg_frame_dtor): Add prototype argument.
10618 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10620 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10622 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10624 * gthr-vxworks.h (__gthread_once): Likewise.
10626 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10628 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10630 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10631 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10632 stack pointer in functions w/o saved registers, output LEAVE more often
10633 on TARGET_USE_LEAVE machines.
10635 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10637 * config/arm/arm.c (arm_init_cumulative_args); New function:
10638 Initlaise the CUMULATIE_ARGS strcuture for a function
10640 (arm_function_arg): New function: Determine where to place a
10641 function's argument. Also handles deciding the function's
10643 (current_file_function_operand): New function: Return true if
10644 the symbol is a function which has already been compiled.
10645 (arm_is_long_call_p): New function: Return true if the
10646 indicated function should be called via a long call.
10647 (arm_valid_type_attribute_p): New function: Return true if the
10648 attribute is a valid, arm specific, attribute.
10649 (arm_comp_type_attribute): New function: Return true if the
10650 two types have compatable, arm specific, attributes.
10652 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10654 (FUNCTION_ARG): Redefine to call arm_function_arg.
10655 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10657 (INIT_CUMULATIVE_ARGS): Redefine to call
10658 arm_init_cumulative_args.
10659 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10661 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10663 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10665 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10666 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10667 (COMP_TYPE_ATTRIBUTES): Define.
10669 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10670 if a long call is needed.
10671 (call_value): Call arm_is_long_call_p to decide if a long call
10673 (call_symbol): Call arm_is_long_call_p to decide if a long call
10676 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10678 2000-02-11 Denis Chertykov <denisc@overta.ru>
10680 * README.AVR: New file with information about the avr ports.
10681 * config/avr: New directory with avr port files.
10683 2000-02-11 Andreas Jaeger <aj@suse.de>
10685 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10687 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10689 * cpphash.c: Fix formatting, update commentary.
10690 (dump_definition): Take three separate arguments instead of a
10691 MACRODEF structure argument.
10692 * cpphash.h: Update prototype of dump_definition.
10693 * cppinit.c (cpp_finish): Update call of dump_definition.
10695 * cpplib.c (do_define): Always create new hash entry with
10696 T_MACRO type. Remove redundant check for redefinition of
10697 poisoned identifier. Update call of dump_definition.
10698 (do_undef): Don't call check_macro_name. Rename sym_length to
10700 (do_error, do_warning): Don't use copy_rest_of_line or
10702 (do_warning): Don't use pedwarn for the actual warning,
10703 only the notice about its not being in the standard. (Fixes
10704 bug with #warning in system headers.)
10705 (do_ident): Stricter argument checking - accept only a single
10706 string after #ident. Also, macro-expand the line.
10707 (do_xifdef): Use cpp_defined. De-obfuscate.
10709 (do_pragma): Split out specific pragma handling to separate
10710 functions. Use get_directive_token. Update commentary. Do
10711 not pass on #pragma once or #pragma poison to the front end.
10712 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10713 do_pragma_default): New.
10715 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10717 * jump.c (jump_optimize_1): The first operand in a relational
10718 can be a CONST_INT.
10719 * optabs.c (emit_conditional_move): Handle relationals which
10720 have a known true/false result.
10722 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10724 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10725 a RETURN insn into a block which already ends with a jump.
10727 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10729 * haifa-sched.c (BUF_LEN): Increase a lot.
10731 2000-02-11 Nick Clifton <nickc@cygnus.com>
10733 * configure.in: Add tm_p_file specification for thumb targets.
10734 * configure: Regenerate.
10736 * config/arm/thumb-protos.h: New file: Prototypes for exported
10737 functions defined in thumb.c.
10739 2000-02-11 Robert Lipe <robertl@sco.com>
10741 * Makefile.in (bootstrap-lean): Remove additional files.
10742 (bootstrap2-lean): Likewise.
10743 (VOL_FILES): List of files for above.
10745 2000-02-11 Nathan Sidwell <nathan@acm.org>
10747 * cpphash.c (special_symbol): Remove spurious argument to
10750 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10752 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10754 * configure: Rebuilt.
10756 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10758 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10760 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10762 * pa.c, pa.h: Remove trigraph sequences within comments.
10764 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10766 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10768 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10770 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10772 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10774 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10776 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10778 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10779 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10780 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10781 (ASM_FILE_END): Use c4x_file_end.
10782 * config/c4x/c4x.c (c4x_global_label): New function.
10783 (c4x_external_ref, c4x_file_end): Likewise.
10785 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10786 (c4x_external_ref, c4x_end_file): Likewise.
10788 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10790 * cppexp.c: Don't include cpphash.h.
10791 (parse_charconst, cpp_lex): Use cpp_defined.
10792 (cpp_lex): Use get_directive_token throughout. Remove
10793 unnecessary cases from switch. Move assertion-handling code
10794 down to OTHER case.
10795 (cpp_parse_expr): If we see '+' or '-', check the context to
10796 determine if they are unary or binary operators. Streamline
10797 the jumps a bit. Do not call skip_rest_of_line.
10799 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10800 static. Export get_directive_token. Update commentary.
10801 (cpp_defined): New function.
10802 (do_define): Remove reference to T_PCSTRING. Call
10803 free_definition to release memory for old definition, when
10804 redefining a macro.
10805 (eval_if_expression): Set only_seen_white to 0 before calling
10806 cpp_parse_expr. Call skip_rest_of_line after it returns.
10807 (cpp_read_check_assertion): Don't preserve a pointer into the
10808 token buffer across a call to cpp_get_token.
10810 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10811 * cppfiles.c (redundant_include_p): Use cpp_defined.
10812 * cpphash.c (free_definition): New function.
10813 (delete_macro): Use it. Update commentary.
10814 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10816 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10817 from enum node_type. Prototype cpp_defined and get_directive_token.
10818 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10820 * fix-header.c (check_macro_names): Use cpp_defined.
10821 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10822 the options structure.
10824 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10826 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10828 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10830 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10831 rather than die->die_tag.
10833 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10835 * combine.c (make_extraction, force_to_mode): Avoid warning on
10836 mixed-signedness conditionals.
10837 (make_field_assignment, nonzero_bits): Likewise.
10838 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10839 (store_split_bit_field, extract_split_bit_field): Likewise.
10840 (extract_fixed_bit_field, store_bit_field,
10841 * expr.c: Change alignment to be unsigned everywhere.
10842 (move_by_pieces, store_constructor_field, store_constructor):
10843 Alignment parm is unsigned.
10844 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10845 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10846 (do_compare_rtx_and_jump): Likewise.
10847 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10848 Compare align with GET_MODE_ALIGNMENT.
10849 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10850 (get_inner_reference): Likewise.
10851 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10852 (expand_assignment): Local vars for alignment now unsigned.
10853 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10854 (do_compare_and_jump): Likewise.
10855 (store_field): Call new function expr_align.
10856 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10857 Alignment arg now unsigned.
10858 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10859 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10860 (extract_bit_field): Likewise.
10861 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10862 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10863 (get_best_mode): Alignment arg is unsigned.
10864 * rtl.h (move_by_pieces): Likewise.
10865 * store-layout.c (maximum_field_alignment, set_alignment):
10867 (layout_decl): Alignment arg is now unsigned.
10868 Remove unneeded casts.
10869 (layout_record, layout_union, layout_type): Remove unneeded casts.
10870 Local alignment variables now unsigned.
10871 (get_best_mode): Alignment arg now unsigned.
10872 * tree.c (expr_align): New function.
10873 * tree.h (expr_align): Likewise.
10874 (maximum_field_alignment, set_alignment): Now unsigned.
10875 (get_inner_reference): Alignment argument is now pointer to unsigned.
10876 * varasm.c (assemble_variable): Add cast to eliminate warning.
10878 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10880 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10881 then store directly into op0.
10883 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10884 the CALL_INSN, and emit the note immediately after it.
10886 2000-02-10 Nick Clifton <nickc@cygnus.com>
10888 * config/arm/thumb.md (epilogue): Include a (return) in the
10889 generated insn, and emit it using emit_jump_insn not
10892 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10894 * function.c (assign_temp): Change zero-sized arrays to size 1.
10895 * integrate.c (expand_inline_function): Do not update
10896 stack_alignment_needed
10897 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10898 add some sanity checking, remove optimization for function with
10901 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10903 * flow.c (mark_regs_live_at_end): Delete unused variables.
10905 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10907 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10908 in macro FRAME_GROWS_DOWNWARD.
10910 * stmt.c (expand_end_bindings): Delete unused variable.
10912 * unroll.c (iteration_info): Mark parameter `loop' with
10915 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10917 * fixinc/server.c (load_data): Return NULL if the marker line is
10919 (run_shell): If load_data returns NULL, retry the command once, in
10922 * configure: Rebuilt.
10924 2000-02-09 Bruce Korb <bkorb@gnu.org>
10926 * gcc/fixincludes: ** DELETED **
10927 * gcc/fixcpp: ** DELETED **
10928 * gcc/fixinc-nt.sed: ** DELETED **
10929 * gcc/just-fixinc: ** DELETED **
10930 * gcc/Makefile.in: Removed out-dated commentary
10931 * gcc/configure.in: Removed fast-fixincludes disablement.
10932 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10934 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10935 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10938 2000-02-09 Richard Henderson <rth@cygnus.com>
10940 * jump.c (delete_insn): Don't delete user labels at -O0.
10942 2000-02-09 Robert Lipe <robertl@sco.com>
10944 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10945 Don't link with HOST_LIBS.
10947 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10949 * configure.in: Correct --help text for --with-dwarf2.
10950 Put tm-dwarf2.h after other tm files, if it's requested.
10951 * configure: Regenerate.
10952 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10955 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10957 * cpplib.h: Provide HASHNODE typedef and forward decl of
10958 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10959 DEFINITION, struct hashnode, struct macrodef, struct
10960 definition, scan_decls prototype, default defn of
10961 INCLUDE_LEN_FUDGE moved elsewhere.
10963 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10964 definition, and struct hashnode moved here. Remove the unused
10965 'predefined' field from struct definition. Replace the 'args'
10966 union with its sole member. All users updated (cpphash.c).
10967 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10968 multiple include guard.
10970 * cpphash.c (hashf): Make static; use better algorithm; drop
10971 HASHSIZE parameter; return an unsigned int.
10972 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10973 used. Calculate HASHSIZE modulus here.
10974 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10976 (create_definition): Drop PREDEFINITION parameter.
10977 * cpplib.c (do_define): Don't calculate a hash value here.
10978 Don't pass (keyword == NULL) to create_definition.
10980 * scan.h: Prototype scan_decls here.
10981 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10982 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10983 callers of cpp_lookup and cpp_install updated.
10985 * cpphash.c (macarg): Hoist all the flag diddling out of the
10987 (macroexpand): ... and out of the loop that calls macarg.
10988 Skip over the initial paren before macro arguments with
10989 cpp_get_non_space_token; point may be some distance before
10990 that paren. Abort if it's not there.
10992 * cpplib.c (parse_clear_mark): Delete function.
10993 (parse_set_mark, parse_goto_mark): Make static.
10994 (ACTIVE_MARK_P): New macro.
10995 (skip_block_comment, skip_line_comment): Do not bump the line
10996 if ACTIVE_MARK_P is true.
10997 (cpp_pop_buffer): The buffer to be popped may not have an
10999 (cpp_get_token): When looking for the initial paren before
11000 macro arguments, only set a mark in a file buffer, Always
11001 return to that mark before proceeding to call macroexpand or
11002 return a NAME token.
11004 * cpplib.h: Remove prototypes of parse_set_mark,
11005 parse_clear_mark, parse_goto_mark.
11006 (struct cpp_options): Rename 'put_out_comments' to
11007 'discard_comments' and invert its sense.
11008 * cppinit.c, cpphash.c, cpplib.c: All users of
11009 put_out_comments changed to use discard_comments, with
11012 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11014 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11015 the edge from a block that both jumps and falls through to the
11018 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11020 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11021 constant source address is legitimate.
11023 2000-02-09 Philip Blundell <pb@futuretv.com>
11025 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11028 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11030 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11032 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11034 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11035 ends with a newline and a NUL. Don't be so clever manipulating
11038 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11040 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11041 not to BIGGEST_ALIGNMENT.
11043 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11045 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11046 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11047 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11048 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11049 * frame.c (execute_cfa_insn): Handle
11050 DW_CFA_GNU_negative_offset_extended.
11052 2000-02-08 Richard Henderson <rth@cygnus.com>
11054 * flow.c (tidy_fallthru_edges): Split out from ...
11055 (delete_unreachable_blocks): ... here.
11056 (find_basic_blocks): Use it.
11058 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11060 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11062 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11064 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11065 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11066 (fix-header.o): Don't depend on cpphash.h.
11068 * scan.c (hashstr): New function.
11069 * scan.h: Prototype it.
11070 * fix-header.c: Don't include cpphash.h. Use hashstr.
11071 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11072 hashstr. Report hash table statistics. Add private
11073 definition of xrealloc.
11075 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11077 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11079 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11081 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11082 jumps with returns unless they are jumps to the fallthru block.
11084 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11086 * i386.md (addqi3_cc): Fix contraints.
11088 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11090 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11092 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11094 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11095 carriage return after a macro name.
11097 2000-02-07 Fred Fish <fnf@be.com>
11099 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11100 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11102 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11104 * cppfiles.c (deps_output): Count spacers in deps_column.
11106 2000-02-07 Neil Booth <NeilB@earthling.net>
11108 * cppinit.c (initialize_dependency_output): If there is no
11109 suffix, don't try to look for known suffixes. Use strrchr.
11110 (cpp_start_read): Remove duplicate initialization.
11112 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11114 * calls.c (compute_argument_block_size): New argument
11115 preferred_stack_boundary.
11116 (expand_call): update cfun->preferred_stack_boundary, update call of
11117 compute_argument_block_size
11118 (emit_library_call): Increate cfun->preferred_stack_boundary
11119 to PREFERRED_STACK_BOUNDARY
11120 (emit_library_call_value): Likewise.
11121 * explow.c (allocate_dynamic_stack_spave): Likewise.
11122 * function.c (prepare_function_start): Set
11123 cfun->preferred_stack_boundary
11124 * function.h (struct function): Add preferred_stack_boundary field.
11125 * integrate.c (expand_inline_function): Update
11126 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11127 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11128 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11130 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11132 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11133 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11134 cpp_pedwarn, cpp_pedwarn_with_line,
11135 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11136 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11137 v_cpp_error_with_line, v_cpp_warning_with_line,
11138 cpp_message_from_errno, cpp_perror_with_name): Delete.
11140 * cpperror.c (cpp_print_containing_files): Take starting
11141 buffer as argument.
11142 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11143 (v_cpp_message): Now called directly by all entry points.
11145 (cpp_pfatal_with_name, cpp_message): Delete.
11146 (cpp_notice_from_errno, cpp_ice): New functions.
11147 (cpp_notice): Is now for reporting error conditions, just
11148 without an associated file.
11149 (cpp_error, cpp_error_with_line): Don't do anything if
11150 opts->inhibit_errors is on.
11151 (cpp_pedwarn_with_file_and_line): Take column argument also.
11153 * cpplib.h: Update prototypes of exported functions.
11154 (struct cpp_options): Add inhibit_errors.
11156 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11157 non-error messages. Include intl.h.
11159 * cppinit.c, cppmain.c: Likewise. Also, use
11160 cpp_notice_from_errno instead of cpp_perror_with_name or
11161 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11163 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11164 report internal errors.
11166 * cpplib.c (do_define): Switch bcopy to memcpy.
11167 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11169 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11170 bail out early if we hit a line comment.
11172 2000-02-06 Richard Henderson <rth@cygnus.com>
11174 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11175 * basic-block.h: Declare them.
11176 * emit-rtl.h (active_insn_p): New.
11177 (next_active_insn, prev_active_insn): Use it.
11178 * rtl.h: Declare it.
11179 * function.c (emit_return_into_block): New.
11180 (thread_prologue_and_epilogue_insns): Insert return insns instead
11181 of epilogues when possible.
11182 * jump.c (jump_optimize_1): Remove code to insert a return insn
11183 on the fallthru to the exit block.
11185 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11186 and for non-empty stack frames.
11187 * i386.md (return): Expand to return-pop as needed.
11189 2000-02-06 Richard Henderson <rth@cygnus.com>
11191 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11192 constant to op1 for testing.
11194 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11196 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11197 (fixuns_truncqfqi2): Use it.
11199 2000-02-06 Richard Henderson <rth@cygnus.com>
11201 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11202 as a TYPE_LEA insn.
11204 * i386.md (widening and peepholes): Mask the constant instead of
11207 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11209 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11210 input pointer before possibly branching off to the backslash
11212 * cpphash.c (macroexpand): Correctly delete \r escapes when
11213 stringifying parameters.
11214 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11215 if we can; bail out early if we hit a line comment.
11216 (handle_directive): Treat '# 123' in an .S file just like
11217 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11218 Return 1 for '# not_a_directive'.
11219 (get_directive_token): Pop macro buffers here, so that
11220 cpp_get_token can't sneakily move past a newline.
11222 (cpp_get_token): goto randomchar if handle_directive returns 0.
11224 * cppalloc.c: Update copyright.
11225 * cpplib.c: Merge all the static function prototypes into one
11227 * cpplib.h: Remove #if 0 block.
11229 * cpperror.c: Remove #ifdef EMACS block.
11230 * cppmain.c: Likewise.
11231 * cpphash.c: Remove #if 0 blocks.
11232 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11233 * cpplib.c: Remove #if 0 blocks and code referencing
11234 pcp_inside_if or for_lint. Remove duplicate error message.
11235 Fix error messages for #else after #else or #elif. Reformat.
11236 Remove archaic TODO list.
11237 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11239 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11241 * i386/osf1elf.h: Add missing backslash to multiline string.
11243 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11245 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11247 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11251 * c-common.c: Include expr.h.
11253 * c-pragma.c (mark_align_stack): Add prototype.
11255 * caller-save.c (add_stored_regs): Likewise.
11257 * combine.c (record_promoted_value): Likewise.
11259 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11262 * cppinit.c (new_pending_define): Likewise.
11264 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11266 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11267 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11268 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11269 class_scope_p): Likewise.
11271 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11272 dwarf2out_add_library_unit_info): Likewise.
11274 * ggc.h (ggc_page_print_statistics): Likewise.
11276 * haifa-sched.c (propagate_deps): Likewise.
11278 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11280 * rtl.h (set_stack_check_libfunc): Likewise.
11282 * toplev.h (set_fatal_function): Likewise.
11284 * toplev.c (set_fatal_function): Delete prototype.
11286 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11288 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11290 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11291 (FUNC_END): Likewise.
11293 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11295 * caller-save.c: Include tm_p.h.
11297 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11299 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11301 2000-02-04 Neil Booth <NeilB@earthling.net>
11303 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11306 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11308 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11309 * genflags.c: Use the max_operand_1 logic from genemit.c to
11310 calculate how many arguments gen_insn prototypes have. Remove
11311 NO_MD_PROTOTYPES ifdefs from the generated file.
11312 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11313 file. Cast gen_insn initializers to insn_gen_fn.
11314 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11315 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11317 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11319 * fixinc/Makefile.in (HDR): Add machname.h.
11322 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11324 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11325 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11326 (c4x_cpu_version): Ditto.
11327 * config/c4x/c4x-protos.h: ... here.
11329 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11331 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11332 gen_abstract_function on our context if we're a nested function.
11334 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11336 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11337 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11339 2000-02-04 Bruce Korb <bkorb@gnu.org>
11341 * fixinc/genfixes(machname.h):
11342 Move the functionality from gen-machine.h into this file.
11343 UNdef MN_NAME_PAT if there are no names to change.
11344 Also, be a little kinder when AutoGen is not present.
11346 * fixinc/Makefile.in(machname.h):
11347 Change the generation rule to use genfixes.
11349 * fixinc/fixfixes.c(machine_name):
11350 machine_name_fix's functionality now dependent upon whether
11351 MN_NAME_PAT is defined.
11353 * fixinc/fixtests.c(machine_name):
11356 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11359 * fixinc/fixlib.h(mn_get_regexps):
11362 * fixinc/gen-machine.h: DELETED
11364 2000-02-04 Jan Hubicka <jh@suse.cz>
11365 Richard Henderson <rth@cygnus.com>
11367 * i386.c (SAVE_REGS_FIRST): Remove.
11368 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11369 (ix86_compute_frame_size): Likewise.
11370 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11371 (ix86_emit_restore_regs): Remove.
11372 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11373 when a frame pointer is in use.
11374 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11375 instead of pop to restore a register when profitable; emit leave
11377 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11378 as a TYPE_LEA insn.
11379 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11380 * i386.md (prologue_allocate_stack): Remove.
11381 (epilogue_deallocate_stack): Remove.
11382 (pro_epilogue_adjust_stack): New.
11384 2000-02-04 Richard Henderson <rth@cygnus.com>
11386 * function.c (diddle_return_value): Rework to use a callback function.
11387 Use current_function_return_rtx if it's been set up.
11388 (do_clobber_return_reg, clobber_return_register): New.
11389 (do_use_return_reg, use_return_register): New.
11390 (expand_function_end): Use them.
11391 * stmt.c (expand_null_return): Likewise.
11392 * function.h: Declare them.
11393 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11394 (mark_reg): Change arguments as appropriate for callback.
11395 * integrate.c (expand_inline_function): Revert 19 Jan change.
11397 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11399 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11400 (Misc): Say the scheduler, not the Haifa scheduler.
11402 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11404 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11405 when in_mem is set. Update all callers.
11407 2000-02-04 Richard Henderson <rth@cygnus.com>
11409 * i386/openbsd.h (INT_ASM_OP): Define.
11411 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11413 * tm.texi: Fix various typos.
11415 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11417 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11418 (MD_STARTFILE_PREFIX_1): New macro.
11420 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11422 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11423 destination when needed.
11424 (strmovsi, strsetsi): New expander.
11425 (strmovsi_1, strsetsi_1): New pattern.
11426 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11427 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11428 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11429 * invoke.texi (align-stringops, inline-all-stringops): Document.
11431 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11433 * i386/netbsd.h (INT_ASM_OP): Define.
11435 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11437 * cpplib.h (cpp_reader): Add new flag, no_directives.
11438 * cpphash.c (macarg): Set it.
11439 * cpplib.c (handle_directive): If no_directives is on and we
11440 find a directive, issue an error and discard the line.
11442 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11444 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11445 FP constants. Add ! TARGET_FPU check for FP constants.
11447 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11449 * flow.c (find_basic_blocks): Don't kill label_value_list
11451 (cleanup_cfg): Kill it here.
11453 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11455 * expr.c (store_field): Ensure ALIGN is no stricter than the
11458 2000-02-02 Richard Henderson <rth@cygnus.com>
11460 * jump.c (delete_insn): Partially revert 19 Jan change;
11461 don't convert unused code labels to notes at -O0.
11463 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11465 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11466 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11468 2000-02-01 Richard Henderson <rth@cygnus.com>
11470 * i386.c (general_no_elim_operand): New.
11471 (nonmemory_no_elim_operand): New.
11472 (ix86_expand_move): Copy eliminable operands before a push.
11473 * i386-protos.h: Declare new functions.
11474 * i386.h (CAN_ELIMINATE): Simplify.
11475 (PREDICATE_CODES): Update.
11476 * i386.md (push insns): Don't allow eliminable register operands.
11478 2000-02-01 Richard Henderson <rth@cygnus.com>
11480 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11481 replace BLKmode with DECL_RTL's mode.
11483 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11485 * frame.c (find_fde): Convert for loop to do-while so compiler
11486 sees it's always executed at least once.
11487 * libgcc2.c (BBINBUFSIZE): Kill.
11488 (__bb_init_prg): Use fgets.
11489 (__bb_exit_trace_func): Don't paste strings.
11490 * unroll.c (unroll_loop): Initialize unroll_type, not
11491 unroll_number, and tweak logic to match.
11493 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11495 (ix86_flags_dependant): Likewise. Disentangle control flow.
11496 (ix86_sched_reorder): Break guts out to
11497 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11498 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11501 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11502 use string concatenation. Don't save and restore esi.
11504 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11505 (machname.h): Remove script to separate file. Use two-step
11506 sequence so target is not created if script fails.
11507 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11508 identifiers are defined.
11509 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11510 an empty string, machine_name doesn't need to do anything at
11512 (is_cxx_header): Add more cases to regexp.
11513 * fixinc/fixlib.h: Update prototype.
11514 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11516 * fixinc/fixincl.c: Define NO_BOGOSITY.
11518 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11519 (hp_sysfile): Add missing comma.
11520 (math_exception): Put the wrapper ifdefs at the beginning and
11521 the end of the file.
11522 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11524 2000-02-01 Richard Henderson <rth@cygnus.com>
11526 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11527 Use CONST0_RTX. Update all callers.
11528 * sparc.h, sparc-protos.h: Update accordingly.
11529 * sparc.md (fp mov insns): Use fp_zero_operand directly
11532 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11534 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11537 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11539 * Makefile.in (specs.ready): New target.
11540 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11542 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11544 * fixinc.irix: Use unique filenames for writing into /tmp,
11545 * fixinc.ptx: Likewise.
11546 * fixinc.sco: Likewise.
11547 * fixinc.svr4: Likewise.
11548 * fixinc.winnt: Likewise.
11550 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11552 * tsystem.h: New file.
11554 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11555 s-crtS): Depend on tsystem.h.
11557 * crtstuff.c: Include tsystem.h.
11558 * frame.c: Likewise.
11559 * libgcc2.c: Likewise.
11561 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11563 * builtins.c (expand_builtin_memset): Expand for variable sized
11566 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11568 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11571 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11573 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11575 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11577 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11579 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11580 case 3->2 combining (combining with splitting) in which 2 is CC0
11581 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11582 checked at the begining of the function with the aid of calling
11583 function 'can_combine_p'.
11585 2000-01-31 Dave Brolley <brolley@redhat.com>
11587 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11589 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11591 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11594 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11596 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11598 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11601 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11603 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11604 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11605 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11606 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11607 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11608 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11609 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11610 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11611 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11612 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11614 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11615 Add %(cpp_cpu) to CPP_SPEC.
11617 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11618 Add %(cc1_cpu) to CC1_SPEC.
11620 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11622 * c-decl.c (c_decode_option): Accept optional numeric argument to
11623 -Wformat and set warn_format.
11624 * c-common.c: Don't emit warning about non-constant printf format
11625 string unless warn_format > 1.
11627 2000-01-30 Richard Henderson <rth@cygnus.com>
11629 * alpha.md (return_internal): Allow after reload only.
11631 2000-01-30 Richard Henderson <rth@cygnus.com>
11633 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11634 local frame size is zero.
11636 2000-01-30 Richard Henderson <rth@cygnus.com>
11638 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11639 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11640 * alpha.md (return): Turn into an expander.
11641 (return_internal): Don't use $26.
11642 (epilogue): Emit the return insn.
11644 2000-01-30 Richard Henderson <rth@cygnus.com>
11646 * alpha.md (negtf2, abstf2): Fix word order thinko.
11647 (extendsftf2): New.
11648 (trunctfsf2): Avoid intermediate rounding errors.
11650 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11652 * cppfiles.c (find_position): Drop 'colp' argument, return the
11654 (read_and_prescan): Adjust to match. Don't ever manipulate
11655 line or line_base except via find_position.
11657 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11659 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11660 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11663 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11665 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11666 just print "<command line>". If 'filename' is null or an
11667 empty string, print "<stdin>" for the filename.
11668 * cpplib.c (do_define): Don't print the 'location of the
11669 previous definition' message if we're still parsing the
11671 (cpp_pedwarn_with_file_and_line): Always call
11672 cpp_file_line_for_message.
11674 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11676 * flow.c (mark_regs_live_at_end): Fix typo.
11678 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11680 * c-common.c: Adjust variable names, comments, help strings to c99.
11681 * c-lex.c: Likewise.
11682 * c-parse.y: Likewise.
11683 * c-tree.h: Likewise.
11684 * cccp.c: Likewise.
11685 * cpplib.h: Likewise.
11686 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11687 * cppinit.c: Likewise.
11689 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11691 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11692 * c4x.c: Define the optab rtx values.
11693 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11694 (c4x_emit_libcall): Use new optab rtx values.
11695 (c4x_emit_libcall3): Likewise.
11696 (c4x_emit_libcall_mulhi): Likewise.
11697 * c4x-protos.h: Add prototypes for optab rtx values and change
11698 prototypes for above c4x_emit_libcall functions.
11700 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11702 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11704 (c4x_function_prologue): Use regnames intead of float_reg_names when
11706 (c4x_function_epilogue): Likewise.
11707 (c4x_print_operand): Likewise.
11708 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11709 * c4x.md (set_high): Disable for TARGET_TI.
11711 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11713 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11714 of framepointer + constant to ADDR_REGS class.
11715 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11716 * c4x.c (std_or_reg_operand): New function.
11717 * c4x-protos.h (std_or_reg_operand): Prototype it.
11719 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11721 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11722 object names as libgcc2.c.
11723 * libgcc.S: Use newly defined names.
11725 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11726 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11728 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11729 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11730 (FLOW_LOOP_LAST_BLOCK): Likewise.
11732 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11734 * basic-block.h (struct loop): New fields 'first' and 'last'.
11735 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11736 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11737 and loop->last to check for NOTE_INSN_LOOP_END.
11739 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11741 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11742 of the loop descriptor rather than HEADER and LATCH. Also added
11743 missing break statements as well making some coding style modifications
11744 as suggested by Michael Hayes.
11746 2000-01-28 Richard Henderson <rth@cygnus.com>
11748 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11749 Break out that code ...
11750 (cleanup_cfg): ... here.
11751 (commit_one_edge_insertion): Detect a return instruction being
11752 emitted to an edge. Emit a barrier following; clear fallthru.
11753 (commit_edge_insertions): Verify CFG consistency.
11754 * function.c (expand_function_start): Kill unused variable.
11755 (expand_function_end): Likewise.
11756 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11757 to insert the epilogue.
11759 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11760 (delete_null_pointer_checks): Likewise.
11761 * output.h: Likewise.
11762 * reg-stack.c (reg_to_stack): Likewise.
11763 * toplev.c (rest_of_compilation): Likewise. Run
11764 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11766 2000-01-28 Richard Henderson <rth@cygnus.com>
11768 * Makefile.in (flow.o): Revert 24 Jan change.
11769 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11770 FUNCTION_VALUE result to DECL_RESULT's mode.
11772 * haifa-sched.c (schedule_insns): Don't recompute reg info
11775 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11777 * configure.in: Make --enable-cpplib the default.
11778 * configure: Regenerate.
11779 * gcc.dg/990119-1.c: No longer expected to fail.
11781 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11783 * jump.c (jump_optimize_1): Delete an optimization that is also done
11784 by merge_blocks in flow.
11786 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11788 * diagnostic.c (build_message_string, output_printf,
11789 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11790 (build_location_prefix): Fix non-literal format string.
11792 2000-01-27 Richard Henderson <rth@cygnus.com>
11794 * alpha.md (trunctfsf2): New.
11796 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11798 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11800 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11802 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11804 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11806 (skip_comment) ... here. Permit C++ comments in system
11807 headers always. Warn about C++ comments in user code under
11808 -std=gnu89 -pedantic.
11809 (copy_comment): Use skip_comment.
11810 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11812 (consider_directive_while_skipping, do_else, do_endif): Call
11813 validate_else unconditionally.
11814 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11815 text after the conditional in a system header.
11816 * cpplib.h (struct cpp_buffer): Add flag
11817 warned_cplusplus_comments.
11819 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11821 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11822 Use unshare_all_rtl_1.
11823 (unshare_all_rtl_again): New function.
11824 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11826 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11827 rather than resetting the 'used' flags ourself.
11829 * toplev.c (rest_of_compilation): Add current_function_decl
11830 to the unshare_all_rtl call.
11831 * tree.h: Prototype unshare_all_rtl.
11832 * rtl.h: Prototype unshare_all_rtl_again here.
11834 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11836 * genoutput.c (output_prologue): Include ggc.h in generated
11838 * Makefile.in (insn-output.o): Depends on ggc.h.
11840 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11841 Hans-Peter Nilsson <hp@bitrange.com>
11843 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11844 Remove redundant include of xm-ns32k.h.
11845 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11846 Remove redundant include of xm-ns32k.h.
11847 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11848 Remove redundant include of xm-ns32k.h.
11849 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11851 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11852 (TARGET_SWITCHES): Add documentation strings.
11853 (DWARF_FRAME_REGNUM): Override default definition.
11854 (REG_CLASS_CONTENTS): Add comments.
11855 (SUBSET_P): Format to reduce line length.
11856 (SMALL_REGISTER_CLASSES): Make a run time option.
11857 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11858 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11859 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11860 (regclass_map): fix typo in comment.
11861 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11862 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11863 (trace, reg_or_mem_operand): Delete, unused function.
11864 (calc_address_cost): Small offsets are cheaper than large ones.
11865 (expand_block_move): Generate more efficient code when bytes is a
11866 known at compile time.
11867 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11868 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11869 instead of reg_or_mem_operand.
11871 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11872 not general_operand. Similarly use "=rm" or stricter, not "=g".
11873 For input operands, use stricter constraints than "g" if not
11874 general_operand. Similarly use stricter predicate than
11875 "general_operand" when stricter constraints than "g" are present,
11876 except for matching constraints.
11877 (movstrsi): Use "memory_operand" for operands 0 and 1.
11878 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11879 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11880 not reg_or_mem_operand.
11881 (udivmoddisi4): Ditto.
11882 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11883 Use nonimmediate_operand for operand 3, not register_operand.
11884 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11885 reg_or_mem_operand.
11887 2000-01-27 Fred Fish <fnf@be.com>
11889 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11890 * gthr-single.h: Likewise.
11891 * gthr-solaris.h: Likewise.
11892 * gthr-vxworks.h: Likewise.
11893 * gthr-win32.h: Likewise.
11894 * gthr.h: Likewise.
11896 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11898 * cppinit.c: Add " (cpplib)" to end of string printed by
11901 2000-01-27 Richard Henderson <rth@cygnus.com>
11903 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11904 testing for a signed comparison.
11905 (alpha_emit_floatuns): New.
11906 * alpha-protos.h: Declare it.
11907 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11908 (extendsfdf2): Tidy.
11910 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11912 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11913 no -g option specifying debugging format, default to -gstabs+.
11915 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11917 * calls.c (special_function_p): New argument fork_or_exec.
11918 (expand_call): When profile_arc_flag is set and the function
11919 is in the fork_or_exec group, call __bb_fork_func first.
11920 * libgcc2.c, _bb module (__bb_fork_func): New function.
11921 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11923 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11924 * tree.h (special_function_p): Update prototype.
11926 2000-01-26 Richard Henderson <rth@cygnus.com>
11928 * alpha.c (alpha_split_tfmode_pair): New.
11929 * alpha-protos.h: Declare it.
11930 * alpha.md (abstf2, negtf2): New.
11931 (movtf insn): Add input G constraint.
11932 (movtf splitter): Use alpha_split_tfmode_pair.
11934 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11936 * i386/cygwin.h: PROTO -> PARAMS.
11938 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11940 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11941 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11942 using _Qp_cmp/_Q_cmp and testing the return value.
11943 (print_operand): Call reverse_condition_maybe_unordered if
11944 we are handling CCFPmode or CCFPEmode.
11945 Handle ORDERED, UN* and LTGT comparisons.
11946 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11947 if not TARGET_HARD_QUAD.
11948 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11949 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11950 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11951 Adjust gen_b* calls so that they reflect return comparison of
11952 sparc_emit_float_lib_cmp.
11954 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11956 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11957 incoming operands array is large enough for one more operand.
11958 (alpha_emit_xfloating_arith): Likewise.
11960 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11962 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11963 file with one line and no trailing newline.
11964 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11965 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11966 checking if the match is on the line.
11967 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11969 2000-01-25 Richard Henderson <rth@cygnus.com>
11971 * sparc.c (output_cbranch): Fix accidental squashing of the
11972 fp branch pre-delay nop.
11974 2000-01-25 Richard Henderson <rth@cygnus.com>
11976 * tree.def (UNNE_EXPR): Remove.
11977 * c-typeck.c (build_binary_op): Don't handle it.
11978 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11980 * rtl.def (UNNE): Remove.
11982 * jump.c (reverse_condition): Update accordingly.
11983 (swap_condition): Likewise.
11984 (comparison_dominates_p): Handle unordered comparisons.
11985 (reverse_condition_maybe_unordered): New.
11986 * rtl.h (reverse_condition_maybe_unordered): Declare.
11988 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11989 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11990 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11991 * sparc.md (bltgt): New.
11993 2000-01-25 Nick Clifton <nickc@redhat.com>
11995 * emit-rtl.c (emit_insn): Only check machine class insns for
11996 improper emission of a RETURN.
11998 2000-01-25 Richard Henderson <rth@cygnus.com>
12000 * Makefile.in (flow.o): Depend on $(EXPR_H).
12001 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12002 duplicate the structure of diddle_return_value for keeping regs live.
12004 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12006 * loop.c (current_loop_info): Delete.
12007 (consec_sets_invariant_p): Add loop argument, update callers.
12008 (get_condition_for_loop): Likewise.
12009 (count_nonfixed_reads, update_giv_derive): Likewise.
12010 (simplify_giv_expr, general_induction_var): Likewise.
12011 (consec_sets_giv, recombine_givs): Likewise.
12012 (move_movables): Delete loop_start and loop_end arguments,
12013 add loop argument, and update callers.
12014 (find_mem_givs, check_final_value): Likewise.
12015 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12016 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12018 (basic_induction_var): Add loop argument, delete loop_level argument,
12019 and update callers.
12020 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12021 add loop argument, and update callers.
12022 (find_splittable_regs, find_splittable_givs): Likewise.
12023 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12024 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12025 (biv_total_increment): Delete loop_start and loop_end arguments;
12027 (precondition_loop_p): Delete loop_start and loop_info arguments;
12029 * loop.h (get_condition_for_loop): Add loop argument.
12030 (biv_total_increment): Delete loop_start and loop_end arguments.
12031 (precondition_loop_p): Delete loop_start and loop_info arguments;
12033 (final_biv_value): Delete loop_start and loop_end arguments;
12035 (final_giv_value, back_branch_in_range_p): Likewise.
12037 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12039 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12041 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12043 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12044 point to the new "generated_files" doc.
12046 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12048 * config/fp-bit.c (_unord_f2): Fix typo.
12050 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12052 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12053 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12054 functions obsoleted by GC, such as push_obstacks_nochange,
12055 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12056 and code which existed only to decide whether or not to call
12057 them. Remove now-unused NESTED argument from start_function;
12058 all callers changed. Do not change behavior based on ggc_p.
12059 The use of the ixp_obstack in c-iterate.c and the util_obstack
12060 in objc/objc-act.c remain; these are not obsoleted by garbage
12062 * c-tree.h: Update prototype for start_function.
12064 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12066 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12068 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12071 2000-01-25 Richard Henderson <rth@cygnus.com>
12073 * sparc-protos.h (select_cc_mode): Declare.
12074 * sparc.c (select_cc_mode): New. Handle unordered compares.
12075 (output_cbranch): Always reverse via code change. Handle
12076 unordered compares. Factor tests and string updates.
12077 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12078 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12079 * sparc.md (bunordered, bordered): New.
12080 (bungt, bunlt, buneq, bunge, bunle): New.
12082 2000-01-25 Richard Henderson <rth@cygnus.com>
12084 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12085 * ggc-common.c (ggc_add_rtx_varray_root): New.
12086 (ggc_mark_rtx_varray): New.
12087 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12088 functions down below ggc_mark_foo.
12089 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12091 2000-01-25 Richard Henderson <rth@cygnus.com>
12093 * alpha.c (secondary_reload_class): Don't allocate a secondary
12094 for integral mode memories into FLOAT_REGS. Rearrange the more
12095 complicated memory expression inward.
12097 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12099 * inclhack.def: Fixes to play nicer with FreeBSD, and
12100 corrections to comments.
12101 (cxx_unready): Add select expression.
12102 (irix_sockaddr): Add bypass expression.
12103 (machine_ansi_h_va_list): New fix.
12104 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12105 Split out addition of "#include <stdarg.h>" to...
12106 (stdio_stdarg_h): ... here.
12107 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12108 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12109 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12111 (ultrix_ifdef): Tighten up select expression.
12113 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12114 re_ct and max_mach to avoid use of shell. Make printed names
12115 match names in inclhack.def. Use static copyright date.
12116 Don't count c_test and test expressions as requiring regex_t
12117 slots. Add some commentary.
12118 * inclhack.tpl: Do not include the 'This script contains N
12119 fixup scripts' line if PROGRAM is defined. Use static
12122 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12124 * dwarf2out.c: include "varray.h", not dyn-string.h.
12125 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12126 (addr_const_to_string, addr_to_string): Lose.
12127 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12128 (struct dw_val_struct): val_addr is now an rtx.
12129 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12130 (used_rtx_varray): New varray.
12131 (dwarf2out_init): Initialize it.
12132 (save_rtx): New fn.
12133 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12135 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12136 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12137 * Makefile.in (dwarf2out.o): Update dependencies.
12139 2000-01-24 Richard Henderson <rth@cygnus.com>
12141 * i386.c (i386_dwarf_output_addr_const): New.
12142 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12144 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12146 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12147 * i386.c (i386_simplify_dwarf_addr): New.
12148 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12150 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12152 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12153 TYPE_STUB_DECL is NULL.
12155 2000-01-24 Richard Henderson <rth@cygnus.com>
12157 * builtins.c (expand_tree_builtin): Move ...
12158 * c-common.c (expand_tree_builtin): ... here.
12160 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12162 * loop.h (LOOP_INFO): New accessor macro.
12163 * basic-block.h (struct loop): Rename field `info' to `aux'.
12164 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12165 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12166 * unroll.c (loop_iterations, unroll_loop): Likewise.
12168 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12170 * config/i386/t-cygwin: Accomodate new winsup directory layout
12171 when searching for include files.
12173 2000-01-24 Richard Henderson <rth@cygnus.com>
12175 * rtl.def: Add unordered fp comparisions.
12176 * tree.def: Likewise.
12177 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12179 * builtins.c (expand_tree_builtin): New function.
12180 * c-typeck.c (build_function_call): Use it.
12181 (build_binary_op): Support unordered compares.
12182 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12184 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12185 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12186 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12187 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12188 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12190 (swap_condition): Handle unordered compares.
12191 (thread_jumps): Check can_reverse before reversing.
12192 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12195 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12196 setcc is present before acking for cmp_optab. Update all callers.
12197 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12198 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12199 * expr.c (expand_expr): Likewise. Support unordered compares.
12200 (do_jump, do_store_flag): Likewise.
12201 * expr.h (enum libfunc_index): Add unordered compares.
12203 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12204 (DPBIT_FUNCS): Add _unord_df.
12205 * config/fp-bit.c (_unord_f2): New.
12206 * fp-test.c (main): Try unordered compare builtins.
12208 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12209 * alpha.c (alpha_comparison_operator): Check mode properly.
12210 (alpha_swapped_comparison_operator): Likewise.
12211 (signed_comparison_operator): Likewise.
12212 (alpha_fp_comparison_operator): New.
12213 (alpha_emit_conditional_branch): Handle unordered compares.
12214 * alpha.h (PREDICATE_CODES): Update.
12215 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12216 (bunordered, bordered): New.
12218 2000-01-24 Richard Henderson <rth@cygnus.com>
12220 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12221 * alpha.md (movtf): New expander, insn, and splitter.
12223 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12225 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12228 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12230 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12231 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12232 REG_ALLOC_ORDER): Add frame pointer
12233 (FRAME_POINTER_REGNUM): Set to 20
12234 (HARD_FRAME_POINTER_REGNUM): New macro.
12235 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12236 to HARD_FRAME_POINTER.
12237 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12238 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12239 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12240 (HI_REGISTER_NAMES): Add "frame".
12241 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12242 (debug_reg): Handle FRAME_POINTER_REGNUM.
12243 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12244 GENERAL_REGS and INDEX_REGS.
12245 * i386.c (SAVED_REGS_FIRST): new macro.
12246 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12247 (ix86_decompose_address, memory_address_length): Likewise.
12248 (regclass_map): Add frame pointer.
12249 (call_insn_operand): Handle frame_pointer_rtx.
12250 (reg_no_sp_operand): Likewise.
12251 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12252 (print_operand, legitimize_pic_address): Fix formating.
12253 (ix86_compute_frame_size): Make static, update prototype, new
12254 parameters padding1, padding2, use ix86_nsaved_regs, use
12255 stack_alignment_needed.
12256 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12257 to HARD_FRAME_POINTER_REGNUM conversions.
12258 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12259 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12260 (print_reg): Abort on FRAME_POINTER_REGNUM
12262 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12264 * i386.h (PREDICATE_CODES): Add aligned_operand.
12265 * i386.c (aligned_operand): New function.
12266 (ix86_aligned_p): Kill.
12267 * i386.md (movhi_1): Emit mov for aligned operands.
12268 (promoting peep2s): Use aligned_operand.
12270 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12272 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12273 expression to allow underscores in macro names.
12274 (fix_char_macro_defines): Increment scanning pointer.
12276 2000-01-23 Richard Henderson <rth@cygnus.com>
12278 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12279 * alpha/osf5.h: New file.
12280 * configure.in (alpha-*-osf5): Add it to tm_file.
12282 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12284 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12285 (alpha_emit_xfloating_cvt, function_arg): Declare.
12286 * alpha.c (alpha_emit_conditional_branch): Call
12287 alpha_emit_xfloating_compare for TFmode compares.
12288 (alpha_lookup_xfloating_lib_func): New.
12289 (alpha_compute_xfloating_mode_arg): New.
12290 (alpha_emit_xfloating_libcall): New.
12291 (alpha_emit_xfloating_arith): New.
12292 (alpha_emit_xfloating_compare): New.
12293 (alpha_emit_xfloating_cvt): New.
12294 (print_operand): Add default abort case.
12295 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12296 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12297 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12298 (RETURN_IN_MEMORY): True for TF/TCmode.
12299 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12300 (FUNCTION_ARG): Move to function_arg.
12301 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12302 (ASM_OUTPUT_LONG_DOUBLE): New.
12303 (ASM_OUTPUT_DOUBLE): Always output bits.
12304 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12305 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12306 (extenddftf2, trunctfdf2): New.
12308 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12310 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12311 * config/sparc/sol2.h: ... here.
12313 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12315 * basic-block.h (struct loops): New field `levels'.
12316 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12317 (flow_loop_level_compute): Initialise level to 1.
12318 (flow_loops_find): Set loops->levels.
12319 (flow_loops_dump): Print loops->levels.
12321 2000-01-23 Richard Henderson <rth@cygnus.com>
12323 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12324 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12326 2000-01-23 Richard Henderson <rth@cygnus.com>
12328 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12329 * i386.h (DBX_REGISTER_NUMBER): Use them.
12330 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12331 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12332 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12333 * i386/sequent.h: Kill incorrect comment.
12335 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12337 * ggc-page.c (struct page_entry): Make `context_depth' an
12339 (struct globals): Likewise.
12341 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12343 * loop.c (check_dbra_loop): When checking a loop for
12344 reversability, check the source of any stores to ensure
12345 they don't depend on an initial value.
12347 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12349 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12351 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12353 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12354 'pz_scan' into scope of entire function. Only affects
12355 compiles with -DDEBUG.
12357 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12359 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12360 section naming to that prior to 2000-01-07 patch.
12361 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12362 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12363 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12364 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12365 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12367 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12369 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12372 2000-01-21 Jim Wilson <wilson@cygnus.com>
12374 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12375 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12377 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12379 * cpphash.c (change_newlines): Delete function.
12380 (struct argdata): Delete 'newlines' and 'use_count' fields.
12381 (macroexpand): Remove code referencing those fields.
12383 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12385 * loop.c (loops_info): New variable.
12386 (loop_optimize): Allocate loops->array and free it on exit.
12387 Allocate memory for loops_info and assign to each loop,
12389 (find_and_verify_loops): Do not allocate loops->array.
12391 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12393 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12395 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12397 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12398 pseudos if expanded after first flow.
12399 (movdi_pic_label_ref): Likewise.
12401 2000-01-20 Richard Henderson <rth@cygnus.com>
12403 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12405 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12407 * Makefile.in (fixinc.sh): Depend on specs.
12408 * fixinc/Makefile.in: Add rule to create machname.h.
12409 (fixlib.o): Depend on machname.h.
12410 * fixinc/fixtests.c (machine_name): New test.
12411 * fixinc/fixfixes.c (machine_name): New fix.
12412 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12413 the machine_name test and fix.
12414 * fixinc/fixlib.h: Prototype it.
12415 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12416 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12418 * gcc.c (do_spec_1) [case P]: Take care not to create
12419 identifiers with three leading or trailing underscores.
12421 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12422 (fixincl): Don't specify libraries twice on link line.
12423 (gnu-regex.o): Remove special rule.
12424 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12425 defined by config.h. Do not define _REGEX_RE_COMP.
12426 (regcomp): Allocate and initialize a fastmap.
12427 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12429 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12431 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12433 2000-01-19 Richard Henderson <rth@cygnus.com>
12435 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12436 arguments with BB. Update all callers. Tidy line wrapping.
12438 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12440 * emit-rtl.c (try_split): Return last_insn if we split the
12443 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12445 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12446 (ix86_initial_elimination_offset): Declare.
12447 * i386.c (ix86_nsaved_regs): Break out from ...
12448 (ix86_can_use_return_insn_p): ... here.
12449 (ix86_emit_save_regs): Break out from ...
12450 (ix86_expand_prologue): ... here.
12451 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12453 (ix86_expand_epilogue): ... here.
12454 (ix86_compute_frame_size): Make static, add prototype.
12455 (ix86_initial_elimination_offset): Break out from ...
12456 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12458 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12460 * recog.h (OUT_FCN): Delete.
12462 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12464 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12466 * cppalloc.c: PROTO -> PARAMS.
12467 * cpperror.c: Likewise.
12468 * cppfiles.c: Likewise.
12469 * cpplib.c: Likewise.
12470 * cpplib.h: Likewise.
12472 * config/arm/arm-protos.h: PROTO -> PARAMS.
12473 * config/arm/arm.c: Likewise.
12474 * config/c4x/c4x.c: Likewise.
12475 * config/fr30/fr30-protos.h: Likewise.
12476 * config/nextstep.c: Likewise.
12477 * config/pa/pa.c: Likewise.
12478 * config/pj/pj.c: Likewise.
12479 * config/rs6000/rs6000.c: Likewise.
12480 * config/v850/v850-protos.h: Likewise.
12481 * config/v850/v850.c: Likewise.
12483 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12485 * i370-protos.h: New file.
12487 * i370.c: Include tm_p.h. Fix compile time warnings.
12489 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12492 * i370.md: Likewise.
12494 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12496 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12497 (target_isinf, target_isnan, eisnan): Mark parameter with
12499 (eiisinf): Wrap in INFINITY.
12500 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12501 (ibmtoe): Remove unused variable `rndsav'.
12503 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12505 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12506 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12508 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12510 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12511 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12512 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12514 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12515 Recognize Emacs mode markers also.
12516 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12517 C++ comments in C++ headers. Call is_cxx_header only if
12520 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12521 bypass for ncurses.
12522 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12523 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12524 ... these, which use the new C fixes.
12525 (math_exception): Escape literal '+' in bypass expression.
12527 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12530 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12532 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12535 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12537 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12538 prior to calling scan_loop.
12540 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12542 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12543 (split_branches, calc_live_regs): Likewise.
12545 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12547 * sh.md (fpu_single, fp_mode): New attributes.
12549 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12551 * loop.c (current_loop_info): Renamed from loop_info_data
12552 and changed to a pointer.
12553 (loop_optimize): Allocate loop_info structure for each loop
12554 and initialise to zero.
12555 (scan_loop): Set current_loop_info.
12557 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12560 2000-01-19 Richard Henderson <rth@cygnus.com>
12562 * stupid.c: Die die die.
12563 * Makefile.in (OBJS): Remove stupid.o.
12564 (stupid.o): Likewise.
12566 * except.c (emit_eh_context): Don't emit USEs for stupid.
12567 * explow.c (probe_stack_range): Likewise.
12568 * flags.h (obey_regdecls): Remove.
12569 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12570 when not optimizing.
12571 (life_analysis): Limit data collection when not optimizing.
12572 (mark_regs_live_at_end): Always mark the return value registers.
12573 (mark_used_regs): Remove dummy RETURN case.
12574 (print_rtl_with_bb): Don't consult obey_regdecls.
12575 * function.c (use_variable, use_variable_after): Remove.
12576 (assign_parms): Consult optimize not obey_regdecls.
12577 (expand_function_start): Don't emit USEs for stupid.
12578 (expand_function_end): Likewise.
12579 * global.c (build_insn_chain): Export.
12580 * integrate.c (expand_inline_function): Kill return-value USE
12582 * jump.c (jump_optimize_1): Do simple jump optimizations and
12583 dead code elimination.
12584 (calculate_can_reach_end): Remove check_deleted argument.
12585 (delete_insn): Patch out insns even when not optimizing.
12586 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12587 * rtl.h (use_variable, use_variable_after): Remove declarations.
12588 (build_insn_chain): Declare.
12589 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12590 (expand_end_bindings): Likewise.
12591 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12592 * toplev.c (obey_regdecls): Remove.
12593 (rest_of_compilation): Don't set it. Kill stupid in favour of
12594 flow1, local-alloc, and reload.
12595 (main): Don't set obey_regdecls.
12597 * config/nextstep.c (handle_pragma): Likewise.
12599 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12601 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12603 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12605 * alpha-protos.h: PROTO -> PARAMS.
12606 * alpha.c: Likewise.
12608 * h8300.c: Likewise.
12609 * i386-protos.h: Likewise.
12610 * i386.c: Likewise.
12611 * m32r-protos.h: Likewise.
12612 * m32r.c: Likewise.
12613 * mips.c: Likewise.
12614 * mips.md: Likewise.
12615 * gmon-sol2.c: Likewise.
12616 * sparc.c: Likewise.
12618 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12620 * ns32k-protos.h: New file.
12622 * ns32k.c: Fix compile time warnings.
12624 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12627 * ns32k.md: Likewise.
12629 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12631 * vax-protos.h: New file.
12633 * vax.c: Fix compile time warnings.
12635 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12638 * vax.md: Likewise.
12640 * vaxv.md: Likewise.
12642 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12644 * romp-protos.h: New file.
12646 * romp.c: Fix compile time warnings.
12648 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12651 * romp.md: Likewise.
12653 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12655 * we32k-protos.h: New file.
12657 * we32k.c: Fix compile time warnings.
12659 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12662 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12664 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12666 * except.c (eh_regs): Likewise.
12668 * final.c (output_operand): Likewise.
12670 * fold-const.c (target_isinf, target_isnan): Likewise.
12672 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12674 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12675 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12677 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12678 when optimize_size.
12679 (clrstrsi): Rewrite.
12680 (strsethi, strsetqi): New expanders.
12681 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12682 (cmpstrsi): Emit compare insn before cmpstrsi_1
12683 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12684 (strlensi_1): Likewise.
12685 (cmpstrsi_1): Likewise; do not output compare.
12686 (strlen expander): Do not unroll when optimizing for size.
12687 (*subsi3_carry): Rename to subsi3_carry
12688 (addqi3_cc): New pattern.
12689 * i386.h (processor_costs): Add move_ratio field.
12690 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12691 * i386.c (*_cost): Set move_ratio.
12692 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12693 (x86_expand_strlensi_1): Rewrite the main loop.
12695 2000-01-17 Richard Henderson <rth@cygnus.com>
12697 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12698 * cse.c (find_comparison_args, fold_rtx): Likewise.
12699 * integrate.c (subst_constants): Likewise.
12700 * loop.c (get_condition): Likewise.
12702 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12704 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12706 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12708 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12709 (RESTORE_WARN_FLAGS): Unpack it.
12710 Change semantic type of extension to ttype.
12711 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12712 * c-parse.y, c-parse.c, objc/objc-parse.y,
12713 objc/objc-parse.c: Regenerate.
12715 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12717 * fixinc/fixlib.c: Add copyright notice.
12718 (compile_re): New function.
12719 * fixinc/fixlib.h: Prototype compile_re.
12721 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12722 Use compile_re to compile regular expressions.
12724 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12725 where the pattern matched.
12727 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12729 (ultrix_ansi_compat): Likewise.
12730 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12732 (interactv_add2, interactv_add3): Delete.
12733 (x11_sprintf): Don't use filename glob.
12734 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12737 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12739 * print-rtl.c: PROTO -> PARAMS.
12740 * real.c: Likewise.
12741 * reg-stack.c: Likewise.
12742 * resource.c: Likewise.
12743 * sdbout.h: Likewise.
12744 * simplify-rtx.c: Likewise.
12745 * stor-layout.c: Likewise.
12746 * stupid.c: Likewise.
12747 * xcoffout.c: Likewise.
12748 * xcoffout.h: Likewise.
12750 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12752 * toplev.c: PROTO -> PARAMS.
12753 * toplev.h: Likewise.
12754 * tree.c: Likewise.
12755 * tree.h: Likewise.
12756 * unroll.c: Likewise.
12757 * varasm.c: Likewise.
12758 * varray.c: Likewise.
12759 * varray.h: Likewise.
12761 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12763 * reload.c: PROTO -> PARAMS.
12764 * reload.h: Likewise.
12765 * reload1.c: Likewise.
12766 * reorg.c: Likewise.
12767 * resource.h: Likewise.
12770 * rtlanal.c: Likewise.
12771 * sbitmap.h: Likewise.
12772 * sdbout.c: Likewise.
12773 * stack.h: Likewise.
12774 * stmt.c: Likewise.
12775 * system.h: Likewise.
12777 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12779 * machmode.h: PROTO -> PARAMS.
12780 * mbchar.h: Likewise.
12781 * mips-tdump.c: Likewise.
12782 * mips-tfile.c: Likewise.
12783 * optabs.c: Likewise.
12784 * output.h: Likewise.
12785 * prefix.c: Likewise.
12786 * profile.c: Likewise.
12787 * protoize.c: Likewise.
12788 * real.h: Likewise.
12789 * recog.c: Likewise.
12790 * recog.h: Likewise.
12791 * regclass.c: Likewise.
12792 * regmove.c: Likewise.
12793 * regs.h: Likewise.
12795 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12797 * ggc-common.c: PROTO -> PARAMS.
12798 * ggc-page.c: Likewise.
12799 * ggc-simple.c: Likewise.
12801 * global.c: Likewise.
12802 * graph.c: Likewise.
12803 * gthr-win32.h: Likewise.
12804 * haifa-sched.c: Likewise.
12805 * halfpic.h: Likewise.
12806 * integrate.c: Likewise.
12807 * integrate.h: Likewise.
12808 * jump.c: Likewise.
12810 * local-alloc.c: Likewise.
12811 * loop.c: Likewise.
12812 * loop.h: Likewise.
12814 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12816 * genattr.c: PROTO -> PARAMS.
12817 * genattrtab.c: Likewise.
12818 * gencheck.c: Likewise.
12819 * gencodes.c: Likewise.
12820 * genconfig.c: Likewise.
12821 * genemit.c: Likewise.
12822 * genextract.c: Likewise.
12823 * genflags.c: Likewise.
12824 * gengenrtl.c: Likewise.
12825 * genopinit.c: Likewise.
12826 * genoutput.c: Likewise.
12827 * genpeep.c: Likewise.
12828 * genrecog.c: Likewise.
12830 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12832 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12834 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12836 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12837 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12838 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12839 * configure, config.in: Rebuilt.
12841 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12843 * config/i386/i386.md: Add peephole to merge successive stack
12846 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12848 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12849 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12850 when walking backwards to find all the parameter loads when
12851 the basic block ends in a call.
12853 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12855 * loop.c (this_loop_info): Delete.
12856 (uid_loop): Add in place of uid_loop_num. All uses updated.
12857 (loop_number_exit_count): Delete and replace with entry in loop
12858 structure. All uses updated.
12859 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12860 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12861 (loop_outer_loop): Likewise.
12862 (loop_invalid, loop_number_exit_labels): Likewise.
12863 (loop_used_count_register): Delete and replace with entry in
12864 loop_info structure.
12865 (find_and_verify_loops): Add loops argument.
12866 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12867 loop_end, etc. arguments with loop structure pointer. All callers
12869 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12870 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12871 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12872 (insert_bct): Likewise.
12873 (basic_induction_var): New argument level.
12874 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12875 vtop, and cont. Add used_count_register.
12876 (uid_loop): Delete declaration.
12877 (loop_number_exit_count): Likewise.
12878 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12879 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12880 (loop_outer_loop, loop_used_count_register): Likewise.
12881 (loop_invalid, loop_number_exit_labels): Likewise.
12882 (unroll_loop): Replace loop_start and loop_end arguments
12883 with loop structure pointer.
12884 (loop_precondition_p, loop_iterations): Likewise.
12885 Include basic-block.h.
12886 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12887 with loop structure pointer.
12888 (loop_precondition_p, loop_iterations): Likewise.
12889 * basic-block.h (struct loop): New entries vtop, cont,
12890 cont_dominator, start, end, top, scan_start, exit_labels,
12892 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12894 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12896 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12898 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12900 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12902 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12904 * pdp11-protos.h: New file.
12906 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12909 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12912 * pdp11.md: Likewise.
12914 * 2bsd.h: Likewise.
12916 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12918 * mn10300-protos.h: New file.
12920 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12923 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12926 * mn10300.md: Likewise.
12928 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12930 * mn10200-protos.h: New file.
12932 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12935 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12938 * mn10200.md: Likewise.
12940 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12942 * h8300-protos.h: New file.
12944 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12947 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12950 * h8300.md: Likewise.
12952 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12954 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12955 (asm_emit_uninitialised): Likewise.
12957 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12959 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12960 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12962 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12964 * config/mips/mips.c (override_options): Don't turn on extra
12965 alignment for mips16.
12967 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12969 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12970 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12973 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12975 * builtins.c (PAD_VARARGS_DOWN): Define.
12976 (std_expand_builtin_va_arg): Use the above macro.
12977 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12978 * tm.texi (Register Arguments): Document the above macro.
12980 2000-01-14 Nick Clifton <nickc@cygnus.com>
12982 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12983 that this function has not been used to emit a jump
12986 * jump.c (return_jump_1): Cope with being passed a null rtx.
12988 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12990 * eh-common.h: PROTO -> PARAMS.
12991 * emit-rtl.c: Likewise.
12992 * errors.c: Likewise.
12993 * errors.h: Likewise.
12994 * except.c: Likewise.
12995 * except.h: Likewise.
12996 * explow.c: Likewise.
12997 * expmed.c: Likewise.
12998 * expr.c: Likewise.
12999 * expr.h: Likewise.
13000 * final.c: Likewise.
13001 * fix-header.c: Likewise.
13002 * flow.c: Likewise.
13003 * fold-const.c: Likewise.
13004 * function.c: Likewise.
13005 * function.h: Likewise.
13007 * gcov-io.h: Likewise.
13008 * gcov.c: Likewise.
13009 * gcse.c: Likewise.
13011 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13013 * sh-protos.h: New file.
13015 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13016 Add static prototypes. Fix compile time warnings.
13018 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13022 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13024 * arc-protos.h: New file.
13026 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13029 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13032 * arc.md: Likewise.
13034 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13036 * dsp16xx-protos.h: New file.
13038 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13041 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13044 * dsp16xx.md: Likewise.
13046 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13048 * convex-protos.h: New file.
13050 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13053 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13056 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13058 * elxsi-protos.h: New file.
13060 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13063 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13066 * elxsi.md: Likewise.
13068 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13070 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13071 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13072 match the comment for MIPS16.
13074 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13076 * flow.c (split_edge): Do not call set_block_for_insn if we
13077 do not have a basic_block_for_insn structure.
13079 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13080 and destination functions are 32bit aligned within the trampoline.
13081 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13082 (TRAMPOLINE_ALIGNMENT): Define.
13084 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13085 (set (pc) (label_ref)), verify the change creates a valid insn.
13087 * fr30.c (call_operand): Tighten and rework to match rules for
13088 call RTL expressions.
13089 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13090 * fr30.md (call patterns): Improve constraints.
13092 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13094 * fr30.c (fr30_expand_epilogue): Revert last change.
13095 Use emit_jump_insn for the return insn.
13097 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13098 Stan Cox <scox@cygnus.com>
13100 * predict.c: New file. Preliminary infrastructure work for static
13101 branch prediction and basic block reordering.
13102 * basic-block.h: Add prototype for estimate_probability.
13103 * Makefile.in: Add rules for predict.o.
13105 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13107 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13108 * fixinc/*: Likewise.
13110 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13112 * cccp.c: PROTO -> PARAMS.
13113 * cexp.y: Likewise.
13114 * collect2.c: Likewise.
13115 * combine.c: Likewise.
13116 * convert.h: Likewise.
13118 * dbxout.c: Likewise.
13119 * dbxout.h: Likewise.
13120 * diagnostic.c: Likewise.
13121 * doprint.c: Likewise.
13122 * dwarf2out.c: Likewise.
13123 * dwarf2out.h: Likewise.
13124 * dwarfout.c: Likewise.
13125 * dwarfout.h: Likewise.
13126 * dyn-string.h: Likewise.
13128 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13130 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13131 macro conditionals guarding use.
13133 * dwarf2out.c: Include "tm_p.h".
13135 * function.c (locate_and_pad_parm): Mark parameter with
13137 (expand_function_end): Likewise for variable `context'.
13139 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13141 2000-01-13 Nick Clifton <nickc@cygnus.com>
13143 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13144 register to prevent compile time warnings.
13146 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13148 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13149 to avoid -Wtraditional warning.
13151 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13153 * 1750a-protos.h: New file.
13155 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13158 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13161 * 1750a.md: Likewise.
13163 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13165 * a29k-protos.h: New file.
13167 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13170 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13173 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13175 * clipper-protos.h: New file.
13177 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13180 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13183 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13185 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13187 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13189 * configure.in (--enable-new-gxx-abi): New option.
13190 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13191 * Makefile.in (GXX_ABI_FLAG): New variable.
13192 * configure: Regenerate.
13194 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13196 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13197 * tm.texi (FORCE_STRUCT_BLK): Document.
13198 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13200 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13202 * config/ns32k/ns32k.md: Revert Jan 9 change.
13204 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13205 to a mode-test, if the predicate is address_operand.
13207 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13209 * combine.c (if_then_else_cond): Be careful about what kinds
13210 of RTL expressions are passed to operand_subword.
13212 * flow.c (split_edge): If we have to insert a new jump, make
13213 sure to associate it with a basic block.
13215 * flow.c (commit_one_edge_insertion): A block with one successor
13216 can end in a JUMP_INSN that is not a simplejump.
13218 2000-01-12 Robert Lipe <robertl@sco.com>
13220 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13221 (BUILD_VA_LIST_TYPE): Define.
13222 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13225 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13227 * cccp.c (do_pragma): Add cast to (char *).
13229 2000-01-12 Richard Henderson <rth@cygnus.com>
13230 Fred Fish <fnf@be.com>
13231 Jason Merrill <jason@cygnus.com>
13233 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13234 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13235 * i386/beos-elf.h, i386/beos-pe.h: New files.
13237 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13238 * cross-make (SYSTEM_HEADER_DIR): Define using
13239 CROSS_SYSTEM_HEADER_DIR.
13241 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13242 (process_command): Use it.
13243 (main): Likewise. Kill trailing = from env vars.
13244 (build_search_list): Put it back.
13245 * collect2.c (main): Use LIBRARY_PATH_ENV.
13247 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13248 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13250 * tm.texi (Frame Layout): Document SMALL_STACK.
13251 * c-common.c (c_common_nodes_and_builtins): Check it.
13253 * system.h: Undef alloca after including glibc's <stdlib.h>,
13254 if USE_C_ALLOCA is defined.
13256 * gcc.c (set_input): New fn.
13257 (main): After all input files are compiled, reset the input file
13260 * aclocal.m4 (rindex, index): If already defined, don't attempt
13263 * ginclude/varargs.h: (__va_list__): Define ifndef.
13264 * ginclude/stdarg.h: Likewise.
13266 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13267 instead of unsigned char.
13269 * hash.h (true, false, boolean): Undef before enum.
13271 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13272 proper type of "HOST_WIDE_INT *", rather than their natural type of
13273 "unsigned HOST_WIDE_INT *".
13275 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13277 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13279 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13281 * regclass.c (choose_hard_reg_mode): Likewise.
13283 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13285 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13287 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13289 * c-common.c: PROTO -> PARAMS.
13290 * c-common.h: Likewise.
13291 * c-decl.c: Likewise.
13292 * c-iterate.c: Likewise.
13293 * c-lang.c: Likewise.
13294 * c-lex.c: Likewise.
13295 * c-lex.h: Likewise.
13296 * c-parse.in: Likewise.
13297 * c-pragma.c: Likewise.
13298 * c-pragma.h: Likewise.
13299 * c-tree.h: Likewise.
13300 * c-typeck.c: Likewise.
13301 * objc/objc-act.c: Likewise.
13302 * objc/objc-act.h: Likewise.
13304 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13306 * m88k-protos.h: New file.
13308 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13311 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13313 * m88k.md: Likewise.
13315 * tekXD88.h: Likewise.
13317 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13319 * m68k-protos.h: New file.
13321 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13324 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13326 * mot3300.h: Likewise.
13328 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13330 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13332 (extract_bitlist): Declare bitlen.
13334 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13336 * cccp.c: Accept and ignore -lang-fortran.
13338 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13339 qualifiers don't match at any level of pointerness.
13341 2000-01-12 Robert Lipe <robertl@sco.com>
13343 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13345 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13347 * reload1.c (reload_reg_unavailable): New static variable.
13348 (reload_reg_free_p): Test it.
13349 (reload_reg_free_for_value_p): Test it instead of
13351 (choose_reload_regs_init): Compute it.
13353 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13355 * reorg.c (fill_slots_from_thread): Check modified_in_p
13358 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13360 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13361 these nodes even if INTERNALS is not set.
13363 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13365 * gcse.c (delete_null_pointer_checks_1): Cope when
13366 get_condition cannot determine the condition.
13368 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13370 * toplev.h (set_message_length): Declare.
13372 * diagnostic.c (obstack_chunk_alloc): Define macro.
13373 (obstack_chunk_free): Likewise.
13374 (struct output_buffer): New data structure.
13375 (vmessage): Remove.
13376 (output_maximum_width): New variable.
13377 (doing_line_wrapping, set_message_length, init_output_buffer,
13378 get_output_prefix, output_space_left, emit_output_prefix,
13379 output_newline, output_append, output_puts, dump_output,
13380 vbuild_message_string, build_message_string, build_location_prefix,
13381 voutput_notice, output_printf, line_wrapper_printf,
13382 vline_wrapper_message_with_location): New functions. Implement
13383 automatic line wrapping.
13384 (v_message_with_decl): Make it handle automatic line wrapping.
13385 (v_error_with_file_and_line): Likewise.
13386 (v_warning_with_file_and_line): Likewise.
13387 (announce_function): Likewise.
13388 (default_print_error_function): Likewise.
13390 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13392 * cpplib.h (struct cpp_options): Change lang_asm to char.
13394 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13395 done in cpp_handle_option now.
13396 (initialize_builtins): Take out special case code used only by
13398 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13399 if -traditional. Recognize -lang-fortran and set
13400 lang_fortran, also turn off cplusplus_comments.
13401 (print_help): Document -lang-fortran.
13402 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13403 lang_asm. Ignore all directives other than `# 123 "file"' if
13405 (cpp_get_token): If -traditional, don't recognize directives
13406 unless the # is in column 1.
13407 (parse_string): If lang_fortran or lang_asm, silently
13408 terminate strings ('' or "") at end of line.
13409 Remove unnecessary braces.
13411 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13412 Richard Henderson <rth@cygnus.com>
13414 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13416 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13417 strict_low_part when possible.
13419 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13421 * alias.c: PROTO -> PARAMS.
13422 * basic-block.h: Likewise.
13423 * bitmap.c: Likewise.
13424 * bitmap.h: Likewise.
13425 * builtins.c: Likewise.
13426 * c-aux-info.c: Likewise.
13427 * caller-save.c: Likewise.
13428 * calls.c: Likewise.
13430 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13432 * Makefile.in (toplev.o): Depend on regs.h.
13434 * output.h (tdesc_section): Prototype.
13436 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13438 * sdbout.c: Include "tm_p.h".
13440 * toplev.c: Include "regs.h".
13442 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13444 * unroll.c (unroll_loop): Add EH support.
13446 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13448 * pa-protos.h: New file.
13450 * pa.c: Include recog.h and tm_p.h.
13451 (compute_zdepwi_operands, compute_movstrsi_length,
13452 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13453 find_addr_reg, import_milli): Add static prototypes.
13454 (pa_cpu_string, pa_arch_string): Constify a char*.
13455 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13456 (read_only_operand): Add argument `mode'.
13457 (singlemove_string, output_move_double, output_fp_move_double,
13458 output_block_move, output_and, output_ior, output_ascii,
13459 remove_useless_addtr_insns, milli_names, output_mul_insn,
13460 output_div_insn, output_mod_insn, output_arg_descriptor,
13461 output_cbranch, output_bb, output_bvb, output_dbra, ,
13462 output_millicode_call, output_call, hppa_encode_label,
13463 output_parallel_movb, output_parallel_addb): Constify a char*.
13464 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13465 (output_parallel_addb): Remove extra arg to `constrain_operands'
13467 * pa.h: Move all prototypes to pa-protos.h.
13468 (pa_cpu_string, pa_arch_string): Constify a char*.
13469 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13471 * pa.md: Call `function_label_operand' with mode argument.
13472 Likewise for `read_only_operand'.
13473 Fix nesting of parens in call to `symbolic_operand'.
13475 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13477 * i860-protos.h: New file.
13479 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13482 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13484 * i860.md: Likewise.
13486 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13488 * i386.md (movstrsi expander): Rewrite.
13489 (movstrsi_1 insn): Deleted.
13490 (strmovhi, strmovqi expander): New expanders.
13491 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13492 * i386.c (x86_single_stringop): New global variable.
13493 * i386.h (x86_single_stringop): Declare.
13494 (TARGET_SINGLE_STRINGOP): New macro.
13496 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13498 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13499 integer vararg POSTINCREMENT before the destination of the jump
13500 for the hard fp case.
13501 (function_arg_pass_by_reference): Pass a copy of CUM to
13504 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13505 for CONSTANT_ADDRESS_P above while loop for subreg.
13507 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13509 * flow.c (propagate_block): When a prologue/epilogue insn
13510 is marked dead, unconditionally clear libcall_is_dead and
13511 insn_is_dead, and only dump rtl if warnings aren't being
13514 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13516 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13517 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13518 (FIXED_REGISTERS): Set dirflag as fixed.
13519 (CALL_USED_REGISTERS): Set dirflag as used.
13520 (REG_ALLOC_ORDER): Set dirflag as last one.
13521 (DIRFLAG_REG): New macro.
13522 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13523 (HI_REGISTER_NAMES): Add dirflag.
13524 (DEBUF_PRINT_REG): Handle dirflag.
13525 * i386.md (type attribute): New cld and str types.
13526 (length_opcode attribute): Set cld and str to 1.
13527 (memory attribute): Set str to unknown - it is not clear from the
13529 (pent_np function unit): Prefixed string operations takes 12 cycles
13530 minimally; cld takes 2 cycles.
13531 (ppro_uops attribute): Str is "many" and cld is "few".
13532 (ppro_p0 unit): Handle cld here.
13533 (k6_alux unit): Handle cld and str types.
13534 (k6_load unit): It is ocupied by str opcodes.
13535 (k6_store unit): It is ocupied by str opcodes.
13536 (athlon_decode): Str is vector decoded.
13537 (athlon_ieu): Handle str and cld.
13538 (cld pattern): New.
13539 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13540 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13541 cmpstrsi_nz_1 insn): Do not output cld instruction
13543 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13545 * gcc.texi (G++ and GCC): Add Java and Chill.
13546 (Bug Critera): Don't list languages.
13548 * gcc.texi (Incompatibilities): No longer claim most C compilers
13551 * gcc.texi (G++ and GCC): Update other front-ends list.
13553 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13555 * i386.c (ix86_expand_setcc): Fix typo.
13556 (ix86_expand_movcc): Similarly.
13558 * Band-aid until haifa's bitset implementation is nuked.
13559 * haifa-sched.c (extract_bitlst): New parameter for size of the
13560 bitset in bits. All callers changed. Avoid looking at undefined
13561 bits in the bitset.
13562 (edgeset_bitsize): New variable.
13563 (schedule_region): Initialize edgeset_bitsize.
13565 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13567 * Makefile.in (optabs.o): Depend on real.h
13568 (resource.o): Depend on insn-attr.h
13570 * builtins.c (result_vector): Wrap prototype in macro conditions
13571 governing definition and use.
13573 * c-common.c: Include tm_p.h.
13575 * c-lex.c: Likewise.
13577 * elfos.h: Constify a char*.
13579 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13580 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13581 parameter with ATTRIBUTE_UNUSED.
13583 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13586 * haifa-sched.c (schedule_insns): Mark parameter with
13589 * optabs.c: Include real.h.
13591 * real.h (ereal_atof): Add prototype arguments.
13593 * resource.c: Include insn-attr.h.
13595 * sdbout.c (sdbout_queue_anonymous_type,
13596 sdbout_dequeue_anonymous_types): Wrap in macro
13597 SDB_ALLOW_FORWARD_REFERENCES.
13598 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13601 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13603 * stupid.c: Include tm_p.h.
13605 * tree.c (real_value_from_int_cst): Mark parameter with
13608 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13610 * i960-protos.h: New file.
13612 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13615 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13617 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13619 * combine.c (expand_field_assignment): Do not discard SUBREGs
13620 while computing nonzero_bits.
13622 2000-01-09 Nick Clifton <nickc@cygnus.com>
13624 * config/arm/arm.c: Fix compile time warnings about signed vs
13625 unsigned constants.
13626 * config/arm/arm.h: Fix compile time warnings about signed vs
13627 unsigned constants.
13629 2000-01-09 Philip Blundell <philb@gnu.org>
13631 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13632 than `ldm' with only one register.
13633 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13636 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13639 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13641 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13644 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13646 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13647 assignment used as truth value.
13649 * function.c (assign_temp): Mark parameter `dont_promote' with
13650 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13651 PROMOTE_FOR_CALL_ONLY.
13653 * genrecog.c (write_subroutine): Mark variable `operands' with
13656 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13659 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13660 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13662 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13665 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13667 * config/c4x.h: Tidy up comments.
13668 * config/c4x.c: Likewise.
13670 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13672 * fold-const.c (lshift_double, rshift_double): Handle
13673 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13675 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13677 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13678 in prepare_function_start().
13680 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13682 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13683 longer allocate extra stack for function calls.
13685 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13687 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13689 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13691 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13693 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13695 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13696 * aix43.h: Revert Aug 2 change.
13697 (HAS_INIT_SECTION): Define, not visible yet.
13698 (LD_INIT_SWITCH): Define, not visible yet.
13699 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13701 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13703 * collect2.c (main): Expand ld2 size further.
13704 (export_object_lst): Cast assignment to avoid warning.
13705 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13706 (scan_prog_file, COFF): Do not collect initialization or
13707 finalization functions generated for entire shared object if
13708 init/fini support present.
13710 2000-01-07 Nick Clifton <nickc@cygnus.com>
13712 * config/elfos.h: Tidy up formatting of marcos. Make sure
13713 that .section directives are always prefixed by a tab.
13715 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13718 2000-01-07 Matt Austern <austern@sgi.com>
13720 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13723 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13725 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13727 (crtbegin.o, s-crtS): Likewise.
13729 2000-01-06 Richard Henderson <rth@cygnus.com>
13731 * alpha.md (adddi_2+1): Limit offset such that it will be
13732 loadable with a single ldah+lda pair.
13733 (adddi_2+2): Explicitly fail split if we can't make it work.
13735 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13737 * protoize.c: Conditionally include unistd.h.
13738 (IS_SAME_PATH_CHAR): New macro.
13739 (IS_SAME_PATH): New macro.
13740 (CPLUS_FILE_SUFFIX): New macro.
13741 (cplus_suffix): New static variable.
13742 (is_abspath): New static function.
13743 (in_system_include_dir): Handle DOS style pathnames.
13744 (file_could_be_converted): Likewise.
13745 (file_normally_convertible): Likewise.
13746 (directory_specified_p): Likewise.
13747 (file_excluded_p): Likewise.
13748 (abspath): Likewise.
13749 (shortpath): Likewise.
13750 (referenced_file_is_newer): Likewise.
13751 (save_def_or_dec): Likewise.
13752 (do_processing): Likewise.
13754 (edit_file): Likewise. Use rename instead of link.
13755 (rename_c_file): Likewise. Don't rename syscalls file.
13756 (munge_compile_params): Define null device for DOS based systems.
13757 (process_aux_info_file): Use binary mode if appliable.
13758 (edit_file): Likewise.
13759 * invoke.texi (Running Protoize): Document C++ suffixes used.
13761 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13762 IS_DIR_SEPARATOR macros.
13763 * collect2.c: Likewise.
13764 * cppinit.c: Likewise.
13765 * dwarf2out.c: Likewise.
13767 * gcov.c: Likewise.
13768 * prefix.c: Likewise.
13770 * toplev.c: Likewise.
13771 * system.h: And move to here.
13773 * prefix.c (update_path): Fix typo in variable name.
13775 2000-01-06 Richard Henderson <rth@cygnus.com>
13777 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13778 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13779 (count_reg_sets_1, count_reg_references): Likewise.
13780 (flow_loops_level_compute): Start counting actual loop depth at 1.
13781 (flow_loops_find): Likewise.
13782 * local-alloc.c (update_equiv_regs): Likewise.
13783 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13785 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13787 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13788 FIRST_PSEUDO_REGISTER
13789 * dwarf2out.c: Don't include frame.h
13790 * dwarfout.c: Likewise
13791 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13794 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13796 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13799 * i386.c (movsf splitter): Fix typo in my last checkin.
13801 2000-01-05 Nick Clifton <nickc@cygnus.com>
13803 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13804 own definition of this macro.
13805 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13806 flag_data_sections or UNIQUE_SECTION_P are true.
13808 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13809 unitialised data decls.
13811 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13812 being called for uninitialised data.
13814 * config/i386/interix.c (i386_pe_unique_section): Cope with
13815 being called for uninitialised data.
13817 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13818 for uninitialised data.
13820 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13821 for uninitialised data.
13823 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13824 for uninitialised data.
13826 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13827 (UNIQUE_SECTION_P): Always generate a unique section if
13828 flag_data_sections is true.
13829 (UNIQUE_SECTION): Also generate unique sections for
13830 uninitialised data.
13831 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13832 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13835 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13837 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13840 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13842 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13843 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13844 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13845 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13846 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13848 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13850 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13852 * c-decl.c (finish_enum): Simplify code to determine minimum and
13853 maximum values of the enum, and calculate the type. Remove check
13854 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13855 the DECL_INITIAL of each enumeration constant with a copy converted
13856 to the enumeration type. When updating variant types, don't bother
13857 updating the type itself.
13859 * c-typeck.c (build_binary_op): Simplify conditional expressions
13860 when weeding out spurious signed-unsigned warnings. Add new
13861 spurious warning category: if the unsigned quantity is an enum
13862 and its maximum value fits in signed_type(result_type). Update
13864 (build_conditional_expr): Warn here if one alternative is signed
13865 and the other is unsigned.
13867 2000-01-05 Nick Clifton <nickc@cygnus.com>
13869 * config/fr30/fr30.h: Remove extraneous comments.
13871 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13873 * reload1.c (choose_reload_regs): When disabling a reload, also
13874 set reload_spill_index to -1.
13876 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13878 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13880 (m68*-*-rtemself*): New target.
13881 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13882 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13883 (sparc*-*-rtemself*): New target.
13884 (sparc*-*-rtems*): Now elf not a.out.
13885 * config/i386/rtems.h: Include config/rtems.h.
13886 * config/i386/rtemself.h: Include config/rtems.h.
13887 * config/i960/rtems.h: Include config/rtems.h.
13888 * config/m68k/rtems.h: Include config/rtems.h.
13889 * config/m68k/rtemself.h: Include config/rtems.h.
13890 * config/mips/rtems64.h: Include config/rtems.h.
13891 * config/pa/rtems.h: Include config/rtems.h.
13892 * config/rs6000/rtems.h: Include config/rtems.h.
13893 * config/sh/rtems.h: Include config/rtems.h.
13894 * config/sh/rtemself.h: Include config/rtems.h.
13895 * config/sparc/rtems.h: Include config/rtems.h.
13896 * config/sparc/rtemself.h: Include config/rtems.h
13898 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13900 * final.c (shorten_branches): Correctly compute length of
13901 asms without operands.
13903 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13905 * configure.in: Add pj target.
13906 * configure: Regenerate.
13907 * config/pj: New directory.
13908 * config/pj/lib1funcs.S: New file.
13909 * config/pj/linux.h: New file.
13910 * config/pj/pj.c: New file.
13911 * config/pj/pj.md: New file.
13912 * config/pj/pjl.h: New file.
13913 * config/pj/t-pj: New file.
13914 * config/pj/xm-pj.h: New file
13916 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13918 * toplev.c (rest_of_compilation): Run shorten-branches before
13921 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13923 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13924 macros so that they're consistent with their names.
13925 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13926 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13928 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13930 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13931 modified inadvertently.
13933 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13935 * configure.in (v850*-*-rtems*): New target.
13936 * configure: Regenerate.
13937 * config/v850/rtems.h: New file.
13939 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13941 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13942 (__gthread_key_create): Likewise.
13943 (__gthread_key_dtor): Likewise.
13944 (__gthread_once): Fix logic.
13945 (__gthread_key_delete): Cast away constness.
13947 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13948 * invoke.texi: Document.
13949 * i386/mingw32.h (CPP_SPEC): Use.
13950 (LIBGCC_SPEC): Likewise.
13951 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13953 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13955 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13956 (HANDLE_PRAGMA_PACK): Undefine.
13957 (SLOW_UNALIGNED_ACCESS): Define.
13959 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13961 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13962 to default definition.
13963 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13964 (store_fixed_bit_field): Call macro with word_mode and alignment.
13965 (extract_bit_field): Call macro with relevant mode and alignment.
13966 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13967 to default definition.
13968 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13970 (move_by_pieces_ninsns): Likewise.
13971 (clear_by_pieces): Likewise.
13972 (emit_push_insn): Likewise.
13973 (store_field): Call macro with relevant mode and alignment.
13974 (expand_expr): Likewise.
13975 (expand_expr_unaligned): Likewise.
13977 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13978 (SLOW_UNALIGNED_ACCESS): Define.
13979 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13980 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13981 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13982 (toc_section): Likewise and .toc pseudo-op.
13983 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13985 (TEXT_SECTION_ASM_OP): Likewise.
13986 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13989 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13990 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13991 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13992 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13993 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13995 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13997 * regclass.c: Revert my Jan 4 change to loop cost computation.
13999 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14001 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14004 2000-01-04 Stan Cox <scox@cygnus.com>
14006 * haifa-sched.c (build_control_flow): Change unreachable simple
14007 loop test to check if current block has only one predecessor.
14008 (find_rgns): Initialize degree. Use dest as degree index, not src.
14010 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14012 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14014 * calls.c (expand_call): Likewise for
14015 `old_stack_arg_under_construction'.
14017 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14019 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14022 * gcc.c (execute): Likewise for `ut' and `st'.
14024 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14026 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14028 * jump.c (jump_optimize_1): Likewise for `temp2'.
14030 * local-alloc.c (block_alloc): Likewise for `r1'.
14032 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14034 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14035 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14037 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14040 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14041 and `goal_earlyclobber'.
14043 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14045 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14047 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14049 * unroll.c (copy_loop_body): Likewise for `copy'.
14051 * varasm.c (output_constructor): Likewise for `byte'.
14053 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14055 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14056 all FP constants for constant->reg moves.
14057 (ix86_split_to_parts): Try to convert memory address into immediate
14058 when available in the constant pool.
14059 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14061 (LEGITIMATE_CONSTANT_P): Return 1.
14062 * i386.md (pushsf): New splitter to convert constant pool memory
14063 reference to immediate.
14064 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14067 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14069 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14070 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14071 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14072 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14073 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14075 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14077 * ginclude/stdbool.h: Support compilation as C++.
14079 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14081 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14083 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14085 * regclass.c (regclass): Properly compute loop_cost. Adjust
14088 * regclass.c: Fix minor whitespace problems.
14090 2000-01-03 Anthony Green <green@cygnus.com>
14092 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14093 Restore the pic register if required.
14095 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14097 * c-common.c (format_char_info): Update comment.
14098 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14099 was recognized. Emit warning for formats new in ISO C99 only
14100 if flag_isoc9x is not set.
14102 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14104 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14106 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14108 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14109 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14110 (make_compound_operation): Choose cheaper alternative between
14111 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14113 * regclass.c (op_costs): Remove global variable.
14114 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14115 (record_operand_costs): Break out from ...
14116 (scan_one_insn): ... here.
14117 (dump_regclass): Make dumps nicer.
14118 (regclass): Dump preferrences choosed and changes done during passes.
14120 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14122 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14124 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14126 * config/sparc/sparc.c (gen_df_reg): New function.
14127 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14128 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14129 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14130 movtf_cc_reg_sp64+1): Use it.
14132 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14134 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14135 copied LABEL_DECLs.
14137 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14139 * config/i386/i386.c (ix86_expand_unary_operator): Function
14140 definition made void.
14141 (ix86_expand_binary_operator): Update outdated preceding comment.
14142 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14145 * config/i386/i386.c (override_options): Fix option-name typo.
14147 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14149 * system.h (CEIL): Define.
14150 * builtins.c (CEIL): Remove.
14151 * expmed.c (CEIL): Likewise.
14152 * expr.c (CEIL): Likewise.
14153 * stor-layout.c (CEIL): Likewise.
14155 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14157 * expr.c (store_constructor_field): Fix typo introduced with last
14160 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14162 * tree.h (BINFO_N_BASETYPES): New macro.
14164 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14166 * expmed.c (emit_store_flag): Prevent losing a pending stack
14167 adjust the same way we prevent losing queued increments.
14169 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14171 * function.c (update_temp_slot_address): Handle case where sum of
14172 temporary address plus offset in register is a valid address.
14174 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14176 * genrecog.c (change_state) Corrected typo.
14178 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14180 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14181 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14182 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14184 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14186 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14187 case, expand GT comparisons correctly. Fix a comment before this
14190 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14192 * dwarfout.c: Include "frame.h"
14193 * dwarf2out.c: Likewise.
14194 * Makefile.in (dwarfout.o): Depend on frame.h
14195 (dwarf2out.o): Likewise.
14197 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14199 Restore i386 binary compatibility in Dwarf EH info.
14200 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14201 value of FIRST_PSEUDO_REGISTER.
14202 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14203 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14204 * dwarfout.c (output_reg_number): Ditto.
14205 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14206 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14208 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14210 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14211 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14212 (<hack>_RE_CT): not needed
14213 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14214 rewritten to scan the file text once only
14215 "template<..." test added
14216 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14217 (is_cxx_header): declaration added
14218 * fixinc/fixtests.c(is_cxx_header): removed
14219 (apply_fix_p_t): removed
14220 (double_slash_test): is_cxx_header is only called once now
14221 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14222 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14223 within the templates.
14224 The borken spelling of "broken" was fixed.
14225 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14226 The default level depends on FIXINC_DEBUG.
14228 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14230 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14231 Otherwise provide a declaration for atexit.
14232 (init_dummy): Make sure dummy call to atexit is nevertheless
14233 called with correct number of args.
14235 * frame.c: Update comments referring to other files.
14237 * libgcc2.c: Likewise.
14239 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14241 * cse.c (free_element, get_element): Remove unused prototypes.
14243 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14246 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14249 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14251 * configure.in,configure: case arm for mn10200-*-* now sets
14252 float_format=i32 so that float.h will correctly claim "double"
14253 to be 32 bits. Ran autoconf to generate configure from .in file.
14255 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14257 * pa.md (conditional zero): If op1 is a register, force it into
14258 the same register as op0.
14260 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14262 * tree.h (BINFO_BASETYPES): Improve documentation.
14264 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14266 * configure.in (--enable-checking): Use a more portable `for'
14269 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14271 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14272 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14274 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14277 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14278 Delete descriptions.
14280 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14281 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14282 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14283 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14284 xm-svr4.h: Remove all instances of sys_siglist handling.
14286 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14288 * config/sparc/sparc.md (cmp_zero_qi,
14289 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14290 cmp_zero_extendqidi2_andcc_set): New patterns.
14292 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14294 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14295 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14296 (fpgnulib.c, xfgnulib.c): Add rules.
14297 * m68k/t-mot3300-gas: Likewise.
14299 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14301 * configure.in: Avoid [[ by using test and changequote. Add
14302 changequote required by 1999-12-14 change.
14303 * configure: Rebuild.
14305 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14307 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14309 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14311 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14312 * flow.c (find_use_as_address): Likewise.
14313 * function.c (fixup_var_refs_1): Likewise.
14314 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14315 * jump.c (invert_exp, redirect_exp): Likewise.
14316 * loop.c (replace_call_address): Likewise.
14317 (count_nonfixed_reads): Likewise.
14318 * rtlanal.c (modified_between_p): Likewise.
14319 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14320 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14321 * unroll.c (remap_split_bivs): Likewise.
14323 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14325 * diagnostic.c (v_message_with_decl): Use .* format specifier
14326 instead of building the format specifier width manually.
14328 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14329 determining whether to provide a prototype. Remove the
14330 sys_siglist clause in the conditional.
14332 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14334 * fold-const.c (operand_equal_p): Use memcmp to compare string
14336 Suggested by D. J. Bernstein
14338 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14340 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14341 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14343 * config/mips/mips.h (TARGET_64BIT): Likewise.
14344 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14345 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14346 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14347 dsps. Give routines proper names if SI/DI modes are not used.
14348 * longlong.h: Use DWunion instead of DIunion.
14350 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14352 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14353 GC_CHECKING, GC_ALWAYS_COLLECT.
14354 * configure.in: Allow --enable-checking with an argument
14355 listing check modes to enable.
14356 * config.in, configure: Rebuilt.
14357 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14358 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14359 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14360 ENABLE_GC_ALWAYS_COLLECT.
14361 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14363 * tree.h, tree.c: Change ENABLE_CHECKING to
14364 ENABLE_TREE_CHECKING throughout.
14366 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14368 * fold-const.c (fold_truthop): Properly check for FP RHS.
14370 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14372 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14373 * toplev.c (note_deferral_of_defined_inline_function): New
14374 function, split out from ...
14375 (rest_of_compilation): ... here. Use it.
14377 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14379 * expr.c (store_constructor): Don't call clear_storage if size is
14382 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14384 * Makefile.in (toplev.o): Depend on loop.h.
14386 * dwarfout.c: Include tm_p.h.
14388 * emit-rtl.c (restore_emit_status): Mark parameter with
14391 * final.c (final_scan_insn): Likewise.
14393 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14394 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14395 flow_depth_first_order_compute, flow_loop_pre_header_find,
14396 flow_loop_tree_node_add, flow_loops_tree_build,
14397 flow_loop_level_compute, flow_loops_level_compute,
14398 flow_loop_outside_edge_p): Add prototypes.
14399 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14401 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14402 Mark with ATTRIBUTE_NORETURN.
14404 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14406 * local-alloc.c (no_conflict_p): Likewise.
14408 * loop.c (insert_bct): Hide definitions of variables with hidden
14410 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14412 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14413 with ATTRIBUTE_UNUSED.
14414 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14415 (reg_scan): Likewise.
14417 * reload.c (find_reloads): Remove unused variables `changed'.
14419 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14421 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14422 Remove unused variable `insn'.
14424 * toplev.c: Include loop.h.
14425 (report_file_and_line): Remove unnecessary prototype.
14427 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14429 * unroll.c (biv_total_increment): Likewise.
14431 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14433 * reload1.c (emit_input_reload_insns): Restore old behaviour
14434 wrt. 'special' reloads.
14436 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14438 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14439 hash.h. (cse.c): Don't depend on hashtab.h.
14441 * cse.c: Don't include hashtab.h.
14442 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14444 * ggc-simple.c: Don't include hash.h.
14446 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14448 * dwarf2out.c (add_abstract_origin_attribute): Call
14449 gen_abstract_function on our function context.
14451 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14453 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14455 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14457 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14460 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14462 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14463 constraints to "a!r".
14465 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14467 * Makefile.in (calls.o): Depend on function.h.
14468 (alias.o): Likewise.
14470 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14472 * reload1.c (emit_reload_insns): Break out code and variables into...
14473 (input_reload_insns, other_input_address_reload_insns,
14474 other_input_reload_insns, input_address_reload_insns,
14475 inpaddr_address_reload_insns, output_reload_insns,
14476 output_address_reload_insns, outaddr_address_reload_insns,
14477 operand_reload_insns, other_operand_reload_insns,
14478 other_output_reload_insns): ... new static variables, and...
14479 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14480 do_output_reload): ... new functions.
14482 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14484 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14486 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14488 * md.texi: Add c4x constraints documentation.
14490 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14492 * config/i386/dgux.c (struct option): Rename to
14493 lang_independent_option.
14494 (struct m_options): Add description field.
14495 (output_options): Rename option type, add sep declaration, output
14496 ix86_cpu_string and ix86_arch_string only if set.
14497 (output_file_start): Rename option type.
14499 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14501 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14503 (libgcc2.a): Similarly.
14505 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14507 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14508 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14509 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14511 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14513 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14514 Remove redundant initialization of "frexpon" and "expon".
14516 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14518 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14520 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14521 (store_constructor_field, expand_expr): Pass new arg.
14523 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14525 * Makefile.in (explow.o): Depend on function.h.
14527 * stor-layout.c (set_sizetype): Fix typo.
14529 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14531 * function.c (cfun): Renamed from current_function. All users
14533 * function.h (cfun): Rename declaration as well.
14535 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14536 to be of type regset_head, not regset. All users changed by adding
14538 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14540 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14542 * config/c4x/rtems.h: New file.
14544 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14546 * reload1.c (spill_failure): Take class of failed reload as argument
14547 and print it. Caller changed.
14549 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14551 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14552 (TARGET_SWITCHES): Allow subtargets to default switches.
14553 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14555 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14557 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14560 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14562 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14563 * cppinit.c (cpp_handle_option): Likewise.
14565 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14566 determine when to define.
14568 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14570 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14571 cmove with mismatched test and data modes.
14573 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14575 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14578 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14580 * alias.c: Minor reformatting.
14581 * flow.c: Likewise.
14582 * regs.h: Likewise.
14583 * stor-layout.c: Likewise.
14584 * fold-const.c: Likewise.
14585 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14586 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14588 (size_int_wide): Cache nodes even if garbage collecting.
14589 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14590 of SAVE_EXPR has no side effects.
14591 * cse.c: Move a comment.
14592 * tree.c: Minor reformatting.
14593 (int_size_in_bytes): Return -1 if constant overflows.
14595 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14597 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14599 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14601 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14602 after any change to c-parse.in, even if objc-parse.y didn't
14605 1999-12-18 David S. Miller <davem@redhat.com>
14607 * toplev.c (rest_of_compilation): Restore BLOCK tree
14608 reconstruction and branch shortening changes lost in
14609 December 18th change.
14611 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14613 * config/arm/linux-elf.h: Change all instances of
14614 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14615 * config/arm/uclinux-elf.h: Likewise.
14617 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14619 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14620 v_message_with_decl, file_and_line_for_asm,
14621 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14622 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14623 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14624 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14625 pfatal_with_name, fatal_io_error, need_error_newline,
14626 last_error_function, last_error_tick, announce_function,
14627 default_print_error_function, print_error_function,
14628 report_error_function, fnotice, error_with_file_and_line,
14629 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14630 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14631 warning_with_decl, warning_for_asm, warning, pedwarn,
14632 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14634 (compile_file): Use fnotice instead of notice. Adjust call.
14636 * diagnostic.c: New file.
14638 * Makefile.in (OBJS): Include diagnostic.o
14639 (diagnostic.o): Define dependence.
14641 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14643 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14646 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14648 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14650 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14652 * fixtests.c (is_cxx_header): New fn, split out of
14654 (else_endif_label): Allow "#endif // comment" in C++ headers,
14655 as determined by is_cxx_header.
14656 * fixfixes.c (else_endif_label_fix): Update comment.
14657 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14659 * genfixes: Correct double thinko in commandline parsing.
14660 * hackshell.tpl: Generate correct sh syntax for bypass
14663 * inclhack.def (all): Whenever an inserted preprocessor
14664 conditional is split over multiple lines, use double
14665 backslashes in this file so the fixed header will be readable.
14667 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14668 and add bypass entry for correct version of this header.
14669 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14670 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14672 (hpux8_bogus_inlines): New fix, split from...
14673 (ultrix_atof_param) ... here.
14674 (math_expression): Add bypass entry keyed to glibc comment
14675 indicating the problem has been dealt with; disable
14676 unnecessary sed operations; update commentary.
14677 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14678 add select and bypass entries, simplify shell operation.
14679 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14681 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14682 ultrix_atof_param): Add select entry.
14683 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14684 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14685 comments with the fixes they describe.
14687 * c-parse.in (string action): Do not warn about ANSI string
14688 concatenation in system headers. Affects C parser only.
14689 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14691 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14693 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14694 compiling libgcc2 the macro depends always on arch cpp defines.
14696 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14698 * loop.c (insert_loop_mem): Don't record MEMs from inside
14701 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14703 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14705 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14706 notes too, create one when replacement failed, attempt to simplify
14708 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14709 or REG_EQUIV notes.
14711 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14713 * crtstuff.c (__dso_handle): Declare.
14714 (__cxa_finalize): Likewise.
14715 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14718 * invoke.texi: Document -fuse-cxa-atexit.
14720 * tree.h (ptr_type_node): Document.
14721 (const_ptr_type_node): Likewise.
14723 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14725 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14726 (optimize_reg_copy_2): Likewise.
14727 (optimize_reg_copy_3): Likewise.
14728 (fixup_match_2): Likewise.
14729 (regmove_optimize): Likewise.
14730 (fixup_match_1): Liekwise.
14732 * i386.md (HI to SImode promoting splitters): Rewrite.
14733 (pushsf mem peep2): New.
14734 (testhi to andhi peep2): Remove.
14735 * i386.h (x86_promote_QImode): New.
14736 (TARGET_PROMOTE_QImode): New.
14737 (PREDICATE_CODES): Add promotable_binary_operator.
14738 * i386.c (x86_promote_QImode0: New.
14739 (promotable_binary_operator): New.
14740 * i386-protos.h (promotable_binary_operator): New.
14742 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14744 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14746 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14748 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14749 * function.c (insert_block_after_note): Remove.
14750 (retrofit_block): Likewise.
14751 (identify_blocks): Fix indentation.
14752 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14753 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14754 * function.h (insert_block_after_note): Remove prototype.
14755 (retrofit_block): Likewise.
14756 * integrate.c (expand_inline_function): Don't call
14757 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14758 just expand_start_bindings. Use the block_map to remap old
14759 NOTE_BLOCKs to new ones.
14760 (integrate_decl_tree): Keep track of remapped blocks.
14761 * integrate.h (struct inline_remap): Add block_map.
14762 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14763 NOTE_BLOCK on the notes.
14764 (expand_start_bindings): Rename to ...
14765 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14766 (expand_end_bindings): Set NOTE_BLOCK.
14767 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14768 reconstruct the BLOCK tree.
14769 * tree.h (expand_start_bindings): Macroize. Call ...
14770 (expand_start_bindings_and_block): New function.
14772 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14774 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14775 to match the format.
14777 1999-12-16 David S. Miller <davem@redhat.com>
14779 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14780 the outputs is a SUBREG.
14781 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14784 * config/sparc/sparc.c (epilogue_renumber): Add default case
14787 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14789 * toplev.c (rest_of_compilation): Run branch shortening after
14792 * regclass.c (loop_depth): Remove
14793 (scan_one_insn): Do not handle LOOP_NOTE insns.
14794 (regclass): Go through basic blocks and set loop_cost
14796 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14798 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14800 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14802 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14803 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14804 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14806 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14808 * loop.c (insert_loop_mem): Ignore memory clobbers.
14810 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14813 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14815 * profile.c: Remove redundant #include "output.h".
14817 * h8300.md (HImode preinc peephole): Fix typo.
14819 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14821 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14822 (insert_block_after_note): Abort if we don't have a previous block.
14823 Remove FN parameter.
14824 * function.h: Adjust.
14826 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14828 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14829 argument more than once.
14831 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14833 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14835 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14837 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14839 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14841 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14842 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14843 update stack_alignment_needed.
14844 (prepare_function_start): Initialize stack_alignment_needed
14845 * function.h (struct function): Add field stack_alignment_needed.
14847 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14849 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14850 Handle live_throughout / dead_or_set instead of live_before /
14852 (save_call_clobbered_regs): Get register livenessinformation from
14853 chain->live_throughout.
14854 (add_stored_regs): New function.
14855 (insert_restore, insert_save): Add restored / saved registers to
14857 * global.c (reg_dies): New parameter chain.
14858 (reg_becomes_live): Third parameter is regs_set now.
14859 Changed all callers.
14860 (reg_dies): New parameter chain. Changed all callers.
14861 (build_insn_chain): Set live_throughout instead of
14862 live_before / live_after.
14863 * reload.h (struct insn_chain): Replace members live_before /
14864 live_after with live_throughout / dead_or_set.
14865 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14866 instead of live_before / live_after.
14867 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14868 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14869 (choose_reload_regs_init): Likewise.
14870 * stupid.c (current_chain, find_clobbered_regs): Delete.
14871 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14872 instead of chain->live_before / chain->live_after.
14873 (mark_hard_ref): New function.
14874 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14876 1999-12-15 David S. Miller <davem@redhat.com>
14878 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14880 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14882 * flow.c (calculate_loop_depth): Make global, remove prototype,
14883 rewrite to use new loop infrastructure.
14884 (find_basic_block): Remove calculate_loop_depth call.
14885 * toplev.c (rest_of_compilation): Call find_basic_block.
14886 * output.h (calculate_loop_depth): Declare.
14888 * flow.c (dump_flow_info): Dump loop_depth.
14889 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14891 (flow_loops_find): Initialize the loop_depth for each basic block.
14893 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14895 * tree.c (decl_function_context): Handle virtual functions.
14897 * tlink.c (scan_linker_output): Don't look in demangled name when
14898 looking for linker output keywords.
14900 * dwarfout.c (output_type): We can defer namespace-scope classes.
14902 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14904 * regclass.c (record_reg_classes): Update comment for merging
14905 register class preferences in reg->reg copies. Tighten conditions
14906 for merging register class preferences in reg->reg copies.
14908 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14910 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14912 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14914 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14915 (INIT_SECTION_ASM_OP): Delete.
14916 (FINI_SECTION_ASM_OP): Delete.
14917 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14919 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14921 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14922 the abstract origin wasn't emitted.
14924 * dwarf2out.c (class_scope_p): New fn.
14925 (gen_subprogram_die): Use it.
14926 (gen_variable_die): Use it. Tweak logic.
14927 (gen_struct_or_union_type_die): Check context_die to determine
14928 if we're function-local.
14929 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14931 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14933 * loop.c (check_dbra_loop): Can't reverse a biv that has
14934 maybe_multiple set.
14936 1999-12-14 Nick Clifton <nickc@cygnus.com>
14938 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14941 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14943 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14944 for givs made from biv increments.
14946 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14948 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14949 * alpha.c (override_options): Recognize -mcpu=ev67.
14950 * alpha.h (CPP_CPU_EV67_SPEC): New.
14951 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14952 (EXTRA_SPECS): Update.
14954 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14956 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14957 appropriate for -lang-c89 and -std=*.
14958 * cppinit.c (cpp_handle_option): Likewise.
14959 (new_pending_define): New, split out from cpp_handle_option.
14960 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14961 or enable trigraphs for -ansi/-std=*.
14963 * ginclude/stdarg.h (__va_copy): New.
14964 (va_copy): Don't define for C89.
14966 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14968 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14969 for long long multiply-accumulate.
14971 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14973 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14974 optimizing for size.
14976 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14978 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14979 if something changed. Back out that part of yesterday's changes.
14981 * loop.c (loop_max_reg): New static variable.
14982 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14984 (scan_loop): Call reg_scan_update whenever we may have added new
14985 registers, and update loop_max_reg.
14987 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14989 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14990 when source does not die.
14992 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14994 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14996 * config/sparc/linux64.h (TARGET_LIVE_G0,
14997 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14999 * config/sparc/linux.h (TARGET_LIVE_G0,
15000 TARGET_BROKEN_SAVERESTORE): Likewise.
15001 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15002 TARGET_BROKEN_SAVERESTORE): Likewise.
15004 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15005 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15007 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15008 as sparc64 block profiling register.
15009 * config/sparc/sparc.c (sparc_override_options): Allow block
15010 profiling with -m32.
15011 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15012 profiling register.
15013 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15014 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15015 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15017 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15019 * config/sparc/sparc.h: Likewise.
15020 * config/sparc/xm-sysv4-64.h: Likewise.
15021 * config/float-sparc.h: Likewise.
15022 * glimits.h: Likewise.
15023 * longlong.h: Likewise.
15025 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15026 (ASM_IDENTIFY_GCC): Remove.
15028 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15030 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15031 (simplify_logical): Likewise.
15033 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15035 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15036 * cppfiles.c (INO_T_EQ): Likewise.
15038 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15040 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15041 * i386/mingw32.h (LIB_SPEC): Likewise.
15042 (STARTFILE_SPEC): Likewise.
15043 * i386/uwin.h (LIB_SPEC): Likewise.
15044 (STARTFILE_SPEC): Likewise.
15046 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15047 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15049 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15051 * combine.c (combine_simplify_rtx): Fix order of checks for
15052 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15054 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15056 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15057 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15059 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15061 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15063 * regclass.c (inv_reg_alloc_order): New array.
15064 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15066 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15067 counted_for_groups, counted_for_nongroups. Add fields rld and
15069 * reload.c (push_secondary_reload): Don't set nongroup field of
15071 (push_reload): Likewise.
15072 (find_reloads): Delete code to compute nongroup fields.
15073 * reload1.c (reload_insn_firstobj): New static variable.
15074 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15076 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15077 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15078 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15080 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15082 (struct hard_reg_n_uses): Deleted.
15083 (potential_reload_regs): Deleted.
15084 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15085 (reload): Don't try to allocate reload registers if we already know
15086 we have to make another pass. Call select_reload_regs. Free memory
15087 starting with reload_firstobj when starting another pass.
15088 Don't allocate spilled_pseudos.
15089 (calculate_needs_all_insns): Call copy_reloads for an insn that
15090 needs reloads; don't call calculate_needs.
15091 (spill_cost): New static array.
15092 (used_spill_regs_local): New static variable.
15093 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15094 to compute potential_reload_regs.
15095 (find_reload_regs): Completely rewritten to use find_reg.
15096 (allocate_reload_reg): Don't test counted_for_groups or
15097 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15098 all cllers changed.
15099 (choose_reload_regs): Add fallback code that uses the existing
15100 register allocation from find_reload_regs.
15102 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15104 * flow.c (create_edge_list): Cast xmalloc return value.
15106 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15108 * doprnt.c: Remove incorrect comment closure.
15110 * cse.c: Fix a few minor whitespace goofs.
15112 1999-12-13 Don Bowman <don@pixstream.com>
15114 * mips/vxworks.h: Fix problem with comment termination.
15115 (EXTRA_SECTIONS): Add in_sbss.
15116 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15118 1999-12-12 David S. Miller <davem@redhat.com>
15120 * cse.c (struct cse_reg_info): Add hash_next member,
15121 reorder rest of struct for better packing on 64-bit
15123 (cse_reg_info_tree): Kill.
15124 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15125 REGHASH_FN): New custom pow2 hash mechanism.
15127 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15128 use a pow2 hash table.
15129 (get_cse_reg_info): Rework to use new REGHASH.
15130 (new_basic_block): Likewise, use HASH_SIZE, and inline
15132 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15133 and inline free_element call.
15134 (lookup_as_function, insert, flush_hash_table, invalidate,
15135 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15136 invalidate_for_call, use_related_value, find_comparison_args,
15137 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15138 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15139 get_element): Kill.
15141 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15143 * cse.c (cse_basic_block): Free qty_table consistently.
15145 1999-12-12 David S. Miller <davem@redhat.com>
15146 Jakub Jelinek <jakub@redhat.com>
15148 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15149 SUBREGs by hand, gen the appropriate hard reg directly.
15150 (movtf reg/mem split): Likewise and alter_subreg on destination
15152 (movtf mem/reg split): Similarly.
15153 (movdf_cc_sp64): Rename from hidden pattern.
15154 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15155 (movtf_cc_sp64, following split): New pattern and splitter.
15156 (movdf_cc_reg_sp64): Rename from hidden pattern.
15157 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15159 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15161 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15163 * loop.c (load_mems): Don't hoist written floating point mem
15166 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15168 * except.h (struct eh_queue): Add `next' pointer.
15169 (struct eh_status): Make x_ehqueue a pointer.
15170 (push_ehqueue): Declare.
15171 (pop_ehqueue): Likewise.
15172 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15174 (expand_fixup_region_end): Likewise.
15175 (expand_leftover_cleanups): Likewise.
15176 (push_ehqueue): Define.
15177 (pop_ehqueue): Likewise.
15178 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15179 than doing it inline.
15180 (expand_start_all_catch): Adjust now that ehqueue is a
15182 (mark_eh_queue): Mark all level of the queue.
15183 (mark_eh_status): Adjust now that ehqueue is a
15185 (init_eh_for_function): Allocate ehqueue.
15186 (free_eh_status): Free it.
15187 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15188 expansion for a fixup.
15190 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15192 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15194 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15195 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15196 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15197 function_ptr, getpagesize, __enable_execute_stack,
15198 __enable_execute_stack, __clear_insn_cache,
15199 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15200 _cleanup, _exit, __default_terminate, __terminate_func,
15201 __terminate, __empty, __throw, new_eh_context,
15202 eh_context_initialize, eh_context_static, eh_context_specific,
15203 get_eh_context, __get_eh_context, __get_eh_info,
15204 init_reg_size_table, eh_threads_initialize,
15205 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15206 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15207 __pure_virtual): Add prototype arguments.
15208 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15209 Cast a signed value to unsigned long when comparing against one.
15210 (new_eh_context): Wrap in _GTHREADS macro.
15211 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15213 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15214 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15216 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15218 * combine.c (record_promoted_value): Remove unused variable
15221 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15223 * global.c (record_conflicts): Likewise for `j'.
15225 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15228 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15230 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15231 output_fp_compare): Constify a char*.
15233 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15235 (override_options, ix86_comp_type_attributes, print_operand,
15236 output_387_binary_op, output_fix_trunc, output_fp_compare):
15238 (ix86_sched_reorder): Mark parameter `clock_var' with
15241 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15243 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15245 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15246 operand, for use in the Java front-end.
15248 1999-12-10 Ben Collins <bcollins@debian.org>
15250 * configure.in: Fix typo for "-64" in 64bit as check.
15251 * configure: Rebuilt.
15253 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15255 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15258 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15260 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15261 concatenation is utilized.
15263 * invoke.texi (-Wtraditional): Document it.
15265 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15267 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15268 Cast a ptrdiff_t to long and pass it to printf with %ld.
15270 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15272 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15273 68881, we have no 68881 registers at all.
15274 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15275 value in a 68881 register if it is available.
15277 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15279 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15280 for long long multiply-accumulate.
15282 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15284 * loop.c (insert_loop_mem): Undo last change.
15286 1999-12-10 David S. Miller <davem@redhat.com>
15288 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15290 * config/sparc/sparc-protos.h: Add them.
15291 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15292 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15293 constraints which use those helpers.
15294 (EXTRA_CONSTRAINT): Use this new macro.
15295 * md.texi: Update sparc target constraints documentation.
15296 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15297 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15298 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15299 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15300 (movsf high/lo_sum split): Rework for new patterns.
15301 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15303 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15305 * c-common.c (c_common_nodes_and_builtins):
15306 Create __builtin_ptrdiff_t and __builtin_size_t.
15308 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15310 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15312 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15314 * regclass.c (globalize_reg): Re-instate test that allows
15315 fixed registers to be declared as a variable even after functions
15318 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15320 * i386.md (cpu attribute): Add "athlon".
15321 (athlon_decode): New attribute.
15322 (Athlon scheduling units definitions): New.
15323 (fcmp and shld patterns): Set athlon_decode to "vector".
15324 * i386.c (athlon_cost): New.
15326 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15327 x86_use_sahf): Set for Athlon.
15328 (x86_use_fiop): Unset for Athlon.
15329 (override_options): Define Athlon alignments and "athlon" name.
15330 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15331 * i386.h (TARGET_ATHLON): New.
15332 (enum processor_type): Add PROCESSOR_ATHLON.
15333 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15335 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15337 1999-12-09 Andreas Jaeger <aj@suse.de>
15339 * loop.c (record_biv): Declare parameter as int.
15341 * config/i386/i386-protos.h: Declare long_memory_operand.
15343 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15345 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15346 EXPR_WITH_FILE_LOCATION.
15348 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15350 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15353 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15355 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15358 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15360 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15361 default on linux64 again.
15362 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15363 models for multilibing.
15364 * genmultilib: Accept | as alternative separator within a set in
15367 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15369 * calls.c (precompute_arguments): Make sure initial_value contains
15370 value pseudo which CSE expects.
15371 * cse.c (struct set): New entry orig_src.
15372 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15375 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15377 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15379 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15381 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15383 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15385 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15386 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15388 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15391 * longlong.h: Merge in changes from glibc.
15392 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15393 -mno-app-regs libgcc can be compiled.
15394 * libgcc2.c: Add defines so that the updated longlong.h
15395 can be used in libgcc2.a. Also, make sure on most architectures
15396 (at least on all which have optimized code in longlong.h defined
15397 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15399 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15401 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15402 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15403 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15405 * configure: Rebuilt.
15407 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15409 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15410 outputs require a register.
15412 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15414 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15415 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15416 functions like dptoul will be resolved.
15417 (libgcc2.a): Make sure that the object files from DPBIT are named
15418 differently (prefix `_dp') from those that would be coming from
15421 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15423 * configure.in: When target is sparc* and tm_file contains 64,
15424 test for 64bit support in assembler. If not supported, remove
15425 sparc/t-sol2-64 from target-dependent Makefile fragments.
15426 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15427 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15428 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15429 * acconfig.h (AS_SPARC64_FLAG): Added.
15430 * configure, config.in: Rebuilt.
15431 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15432 support. Use AS_SPARC64_FLAG.
15434 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15436 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15437 suitable for holding OFmode values so that gcc works with complex
15439 (hard_64bit_mode_classes): Likewise.
15441 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15442 so that it is actually matched.
15443 (sethi_di_medlow): Likewise.
15445 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15446 as legitimate constant if -mvis.
15447 * config/sparc/sparc.md (movtf): Likewise.
15448 (clear_sf): Use const_double_operand.
15449 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15451 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15452 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15453 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15454 routines, _Qp_* cannot be handled like that now.
15455 (INIT_TARGET_OPTABS): Likewise.
15456 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15457 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15458 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15459 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15460 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15461 divtf3, sqrttf3): New expanders.
15462 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15463 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15464 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15467 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15468 * configure: Rebuilt.
15469 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15470 -mcpu is given and we're doing 64bit compiles.
15472 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15474 * loop.h (struct induction): Add multi_insn_incr.
15475 * loop.c (basic_induction_var): New multi_insn_incr argument.
15476 Set it if we search back through previous insns for the biv.
15477 (record_biv): New multi_insn_incr argument; fill in struct induction.
15478 (strength_reduce): Discard an iv with multiple bivs, any of
15479 which require multiple insns to increment.
15481 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15483 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15486 1999-12-06 David S. Miller <davem@redhat.com>
15488 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15489 PROMOTE_FUNCTION_RETURN.
15491 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15493 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15494 and handle REG_UNUSED note on insn.
15496 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15497 inner_mask instead of mask.
15499 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15501 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15502 zero if there was an error.
15504 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15506 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15509 * longlong.h: Fix clobbers in SPARC asm statements.
15511 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15512 valid sethi operations when TARGET_ARCH64.
15514 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15515 always use move_by_pieces to avoid infinite recursion.
15516 (restore_fixed_argument_area): Likewise.
15518 * combine.c (check_promoted_subreg, record_promoted_value): New
15520 (combine_instructions): Use them to retain nonzero and sign bit
15521 information after SUBREGs are eliminated by optimizations in
15522 this pass if PROMOTE_FUNCTION_RETURN.
15524 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15525 .register declaration. Don't use variables with __ prefixes.
15527 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15529 * fold-const.c (optimize_bit_field_compare): Only use one mode
15530 for both RHS and LHS in non-constant case.
15532 1999-12-06 Nathan Sidwell <nathan@acm.org>
15534 * frame.c (start_fde_sort): Only allocate erratic array, if
15535 linear one was allocated. Return allocated flag.
15536 (fde_insert): Only insert, if there's a valid array.
15537 (fde_end_sort): Split, sort and merge if linear and erratic
15538 arrays exist, else just sort linear one.
15539 (search_fdes): New function. Linear search through original fde
15541 (frame_init): Permit multiple initializations. Cope with
15543 (find_fde): Fallback on linear search, if failed to sort array.
15544 (__deregister_frame_info): Only free sorted array, if we
15547 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15549 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15551 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15553 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15555 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15557 * tree.h (special_function_p): Declare.
15558 * calls.c (special_function_p): Make it global. Don't take `name'
15559 as a parameter. Fix typo in 1999-11-28 change.
15560 (expand_cal): Adjust.
15562 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15564 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15565 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15566 EXPR_WFL_FILENAME_NODE.
15567 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15569 * print-tree.c (print_note): Print TREE_PRIVATE and
15572 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15573 the original die cannot be found.
15575 * varray.h (varray_head_tag): Add elements_used.
15576 (VARRAY_PUSH): New macro.
15577 (VARRAY_POP): Likewise.
15578 (VARRAY_TOP): Likewise.
15579 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15581 * varray.c (varray_init): Initialize elements_used.
15582 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15583 (INTEGRATE_H): New variable.
15584 (integrate.o): Depend on INTEGRATE_H.
15585 (unroll.o): Likewise.
15587 * function.h (insert_block_after_note): Declare.
15588 * function.c (insert_block_after_note): Split out from ...
15589 (retrofit_block): ... here.
15591 * stmt.c (expand_fixup): Fix typo in comment.
15593 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15595 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15596 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15597 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15598 (regmove_optimize, fixup_match_1): Likewise.
15600 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15602 * flow.c (flow_loops_dump): Add missing argument when calling
15603 flow_loop_nested_p.
15605 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15606 Greg McGary <gkm@gnu.org>
15608 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15609 (init_attributes): Add A_NO_LIMIT_STACK.
15610 (decl_attributes): Handle A_NO_LIMIT_STACK.
15611 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15612 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15613 Handle stack bounds checking.
15614 * flags.h (flag_stack_check): Use the word 'probe' rather than
15615 'check', because the flag doesn't actually cause any checking to
15617 * function.c (expand_function_start): Set
15618 current_function_limit_stack.
15619 * function.h (struct function): Add limit_stack.
15620 (current_function_limit_stack): Define.
15621 * invoke.texi (Code Gen Options): Document new options.
15622 * rtl.h: Declare stack_limit_rtx.
15623 * toplev.c (stack_limit_rtx): New variable.
15624 (decode_f_option): Handle new options -fstack-limit-register=REG,
15625 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15626 (main): Add stack_limit_rtx as GC root.
15627 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15628 (struct tree_decl): New member no_limit_stack.
15630 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15632 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15633 (conditional_trap+1): Get new mnemonic correct.
15634 (conditional_trap+2): New pattern for DImode traps.
15636 * config/m68k/m68k.c (output_function_prologue): Handle
15638 * config/m68k/m68k.md (trap): New insn.
15639 (conditional_trap): New insn.
15640 * md.texi (Standard Names): Document `trap' and
15641 `conditional_trap'.
15642 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15643 so a cc0 setter doesn't get emitted at some random place in the
15646 * config/i960/i960.md (trap): New insn.
15647 (conditional_trap): New expander.
15648 (conditional_trap+1, conditional_trap+2): New insns for signed
15649 and unsigned cases.
15650 * config/i960/i960.c (i960_function_prologue): Use
15651 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15653 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15654 Geoffrey Keating <geoffk@cygnus.com>
15656 * flags.h (warn_padded, warn_packed): Add global var decls.
15657 * toplev.c (warn_padded, warn_packed): Add global var defns.
15658 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15659 * stor-layout.c (layout_record): Add local variable `type'
15660 to hold often-used TREE_TYPE (field). Add local variable
15661 `unpacked_align' to hold alignment that would be in force
15662 if no `packed' attribute were present. Warn if `packed' attribute
15663 is unnecessary, or even harmful. Warn when gcc inserts padding
15664 to satisfy alignment requirements of members. Use NULL_TREE
15665 when checking whether var_size is set.
15666 * invoke.texi: Document new flags.
15668 1999-12-03 Nathan Sidwell <nathan@acm.org>
15670 * frame.c (fde_split): Reimplement to avoid variable sized array.
15672 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15674 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15675 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15677 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15679 * invoke.texi: Document the mips option -mno-crt0
15681 1999-12-02 Mike Karr <mkarr@mathworks.com>
15683 * cccp.c (argdata): Added free_ptr member.
15684 (macroexpand): Initialize free_ptr of each argument. When an
15685 argument's buffers are freed, if the argument's free_ptr corresponds
15686 to a buffer on the input stack, then return the free_ptr to that stack
15687 frame, otherwise, free it.
15688 (macarg): If an argument begins and ends on the same input stack level,
15689 then transfer the free_ptr of that buffer to the argument in case
15690 the stack is popped during the processing of a subsequent argument.
15692 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15694 * loop.c (note_reg_stored): New function.
15695 (struct note_reg_stored_arg): New structure.
15696 (try_copy_prop): Change to be more conservative; only replace within
15697 one extended basic block and stop replacing if a store to the
15698 replacement reg is seen.
15700 1999-12-02 Nick Clifton <nickc@cygnus.com>
15702 * config/fp-bit.c: Initialise all fields of the NAN
15705 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15708 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15710 * i386.md (extend?f?f2): Force the input into a register, not
15713 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15715 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15717 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15718 alternative because setting up 64bit constant is usually costly,
15719 especially when reload is in progress or completed.
15720 (movdf_const_intreg_sp64): Likewise.
15721 (movdf_const_intreg split): Fix building up constants when
15722 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15724 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15726 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15727 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15730 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15731 (asm_file_start): Emit .am33 into assembly file when compiling for
15733 (print_operand_address): Handle POST_INC addresses.
15734 (can_use_return_insn, initial_offset): Check AM33 registers too.
15735 (expand_prologue): Check & save AM33 registers too.
15736 (expand_epilogue): Similarly.
15737 (secondary_reload_class): Handle AM33 specific secondary reloads.
15738 (output_tst): Emit efficient code for the AM33 too.
15739 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15740 (TARGET_SWITCHES): Add -mam33 switch.
15741 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15742 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15743 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15744 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15745 (enum reg_class, REG_CLASS_NAMES): Likewise.
15746 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15747 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15748 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15749 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15750 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15751 (HAVE_POST_INCREMENT): Define.
15752 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15753 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15754 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15755 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15756 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15757 (zero_extend to SI from QI/HI): Likewise.
15758 (sign_extend to SI from QI/HI): Likewise.
15759 (mulsidi3, umulsidi3): New patterns for the AM33.
15760 (tstsi with zero extension from QI/HI): Add AM33 variants.
15761 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15762 (return_internal_regs, store_movm): Handle new AM33 registers.
15763 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15764 (LIBGCC, INSTALL_LIBGCC): Likewise.
15765 * invoke.texi: Document new flags.
15767 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15769 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15770 (addsi3_carry): Likewise.
15771 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15772 (sbbsi3_carry): Likewise.
15773 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15774 (mulhi3): Likewise.
15775 (test?i_1): Ensure that only one operand is memory.
15776 (conditional move patterns): likewise.
15777 (shift and rotate patterns): Rewrite to expander, add
15778 "binary_operator_ok" to the condition.
15780 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15781 * i386.h (procesor_costs): Add movzbl_load field.
15782 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15783 non-Q registers, accept DImode registers anywhere.
15785 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15786 * i386.c (*_cost): Set value for movxbl_load field.
15788 * (addsi): New add to lea splitter.
15789 (ashlsi): Likewise.
15790 (lea to add/shift peep2): New.
15792 1999-12-01 Mark Salter <msalter@cygnus.com>
15794 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15795 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15796 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15798 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15800 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15801 * i386.md (movsi_xor): New.
15803 (movsi_1, movhi_1, movqi_1): Remove.
15804 (movsi_2): Rename to movsi_1.
15805 (movhi_2): Rename to movhi_1.
15806 (movqi_2): Rename to movqi_1.
15807 (movdi_1): Remove; remove splitter.
15808 (movdi_2): Rename to movdi_1.
15809 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15810 (long move peep2): Do not create QI or HI mode mov0s
15811 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15813 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15816 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15817 (abs?f2_if): Likewise.
15819 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15821 * ggc.h (ggc_test_and_set_mark): New macro.
15822 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15823 (ggc_mark_tree): Likewise.
15824 (ggc_mark_rtvec): Likewise.
15825 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15827 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15829 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15831 (decl_scope_table): Just an array of trees now.
15832 (push_decl_scope): Simplify.
15833 (dwarf2out_init): Adjust.
15834 (local_scope_p): New fn.
15835 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15836 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15837 (gen_typedef_die): Likewise.
15838 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15839 (gen_inlined_subroutine_die): Likewise.
15840 (gen_abstract_function): Set current_function_decl temporarily.
15841 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15842 Handle block extern declarations. Don't call push/pop_decl_scope.
15843 (gen_decl_die): Fix logic for block externs.
15845 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15847 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15848 to the list of functions which have attribute malloc by default.
15850 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15852 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15853 integer constant does not match the traditional type, limit the
15854 warnings to cases where the base of the type is ten.
15856 * invoke.texi (-Wtraditional): Document it.
15858 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15860 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15861 * rs6000.md: Only access a CONST_INT with INTVAL
15863 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15865 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15866 (compute_nearerout): Likewise.
15867 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15868 size_t to unsigned long for formatting.
15870 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15872 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15873 Allow the user to override call-used/fixed state of %g2-5
15874 registers from the command line (with the exception of %g4 for
15876 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15877 there is a higher chance of having a leaf function.
15878 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15879 for ARCH64 which has %ccr register.
15880 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15882 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15883 insn accept into delay slot any insn which does not use %[ol]
15884 registers. Accept some LO_SUM and shift left by 1 for the normal
15886 (output_function_epilogue): Likewise.
15887 (epilogue_renumber): Added argument which inhibits any renumbering
15888 and just tests if the rtx does not use any %[ol] registers.
15889 (output_return): Reflect above change.
15891 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15893 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15894 aggregate passing for sizes <= 16 bytes.
15896 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15898 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15899 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15900 * reload.c (find_dummy_reload): Likewise.
15901 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15902 * reload1.c (reload_as_needed): Likewise.
15903 * stupid.c (stupid_find_reg): Likewise.
15904 * tm.texi (Obsolete Register Macros): Delete section.
15905 * gmicro.h: Remove all traces of the two macros.
15906 * i386.h: Likewise.
15907 * m88k.h: Likewise.
15908 * mips.h: Likewise.
15910 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15912 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15913 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15914 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15915 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15916 units for the sparclite86x chip.
15917 (flush): Revert October 14th change; add SImode specifically.
15918 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15919 * invoke.texi: Document it.
15921 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15923 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15924 psimode_truncation_operand.
15926 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15927 function. Return true if the operand is either a MEM valid
15928 for a PSImode address or not a MEM at all.
15930 * config/mn10200/mn10200.md (truncsipsi2): Use
15931 psimode_truncation_operand.
15933 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15935 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15936 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15937 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15938 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15939 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15940 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15941 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15942 * basic-block.h: Protect from multiple inclusion.
15943 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15944 (struct loops, struct loop): Define structures.
15945 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15946 * sbitmap.h: Protect from multiple inclusion.
15947 (sbitmap_a_subset_b_p): Add prototype.
15948 * Makefile.in (LOOP_H): New macro.
15949 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15951 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15953 * cppinit.c (CAT): The argument list of this macro may not contain
15956 1999-11-29 David S. Miller <davem@redhat.com>
15958 Move quantity tables and register equivalence chains into
15959 per-qty and per-register structure arrays respectively.
15960 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15961 qty_const_insn, qty_comparison_code, qty_comparison_const,
15962 qty_comparison_qty): Delete, replace with...
15963 (qty_table): this structure table.
15964 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15965 (reg_eqv_table): this structure table.
15966 (make_new_qty): Add argument MODE. Caller updated.
15967 Update to use qty_table and reg_eqv_table.
15968 (make_regs_eqv, delete_reg_equiv, insert_regs,
15969 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15970 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15971 cse_process_notes, cse_main, cse_basic_block): Likewise.
15973 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15975 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15976 operation if C is negative.
15977 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15978 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15979 law for some divisions if constant is negative and change other
15980 divisions to the opposite rounding.
15982 * expr.c (store_constructor_field): If bit position is not multiple
15983 of alignment of TARGET's mode, use BLKmode.
15985 * expr.c (expand_expr_unaligned): Add more code from full case
15986 that is needed when OP0 is in a register.
15988 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15990 * dwarfout.c (field_byte_offset): Size can be zero if there was
15993 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15995 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15996 (associate_trees): Delete unused var TEM.
15997 (extract_muldiv): Delete unused var CANCEL_P.
15999 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16000 (target_isinf, target_isnan, target_negative): Add return types to
16001 function definitions.
16003 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16005 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16006 * fixinc/hackshell.tpl: ditto
16007 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16008 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16010 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16012 * reload.c (push_reload): When looking for a register to put into
16013 reg_rtx, make sure all hard regs in a multi-reg register are in the
16014 right class and nonfixed.
16016 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16017 pending_read_insns, pending_write_insns, pending_read_mems,
16018 pending_write_mems, pending_list_length, last_pending_memory_flush,
16019 last_function_call, sched_before_next_call): Move static variables
16021 (bb_ prefixed versions): Replace with single array bb_deps.
16022 (struct deps): New structure.
16023 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16024 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16025 argument of type "struct deps *"; use that instead of global
16026 variables. All callers changed.
16027 (init_rgn_data_dependencies): Delete function.
16028 (init_rtx_vector): Delete function.
16029 (init_deps): New function.
16031 (free_pending_lists): Simplify, we always use the bb_deps array even
16032 if only one basic block.
16033 (compute_block_backward_dependences): Likewise.
16034 (schedule_region): Likewise.
16036 (propagate_deps): New function, broken out of
16037 compute_block_backward_dependences.
16038 (compute_block_backward_dependences): Use it.
16040 * alpha.md: Delete useless patterns that tried to work around
16041 register elimination problems.
16043 * unroll.c (loop_iterations): Don't abort if iteration variable
16046 From Joern Rennecke:
16047 * reload1.c (reloads_conflict): Reverse test comparing operand
16048 numbers when testing for conflict between output/outaddr reloads.
16050 1999-11-29 David S. Miller <davem@redhat.com>
16052 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16054 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16056 1999-11-28 Robert Lipe <robertl@cygnus.com>
16058 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16059 table from .fini into .dtor.
16061 1999-11-28 Anthony Green <green@cygnus.com>
16063 * tree.h (struct tree_decl): Add malloc_flag.
16064 (DECL_IS_MALLOC): Define.
16065 * c-common.c (attrs): Add A_MALLOC attribute.
16066 (init_attributes): Add this attribute to the table.
16067 (decl_attributes): Handle malloc attribute.
16068 * calls.c (special_function_p): Check for the malloc attribute.
16069 * extend.texi (Function Attributes): Document malloc attribute.
16071 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16073 * pa.md (reload shift-add patterns): Remove.
16075 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16077 * reorg.c (dbr_schedule) Print more statistics. Corrected
16078 problem when printing info when 3 delay slots are filled.
16080 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16082 * combine.c (setup_incoming_promotions): Pass an outgoing
16083 regno to FUNCTION_ARG_REGNO_P which it expects.
16085 1999-11-28 Andreas Jaeger <aj@suse.de>
16087 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16089 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16091 * cccp.c (do_include): Avoid initialization of automatic variable.
16093 * integrate.c (mark_stores): Function definition made void, to match
16094 previous declaration.
16095 * regclass.c (dump_regclass): Ditto.
16096 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16098 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16100 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16101 known to be multiple of divisor.
16103 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16105 * combine.c (try_combine): Add code to try to merge a set of a
16106 two-word pseudo to a constant with a setting of one of those words
16109 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16110 (split_tree): Completely rework to make more general.
16111 (make_range, fold): Call negate_expr.
16112 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16113 (fold, associate): Call new split_tree and associate_trees.
16114 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16116 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16118 * loop.c (try_copy_prop): Avoid GNU C extension.
16120 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16122 * except.c (init_eh_for_function): Still zero eh_return_context,
16123 eh_return_stack_adjust, and eh_return_handler.
16125 * except.h (eh_status): Adjust documentation for x_protect_list.
16126 (begin_protect_partials): New function.
16127 * except.c (enqueue_eh_entry): Fix formatting.
16128 (get_first_handler): Add consistency check.
16129 (add_partial_entry): Adjust usage of protect_list.
16130 (emit_cleanup_handler): Save and restore ehqueue.
16131 (expand_start_all_catch): Add comment.
16132 (begin_protect_partials): New function.
16133 (end_protect_partials): Adjust usage of protect_list.
16134 (init_eh_for_function): Use xcalloc.
16136 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16138 * c-common.c (check_format_info): Don't call a variadic function
16139 with a non-literal format string.
16141 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16143 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16144 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16147 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16150 * collect2.c (collect_wait): Likewise.
16152 * dbxout.c (dbxout_type): Likewise.
16154 * gcc.c (do_spec_1): Likewise.
16156 * genemit.c (gen_insn, gen_expand): Likewise.
16158 * genrecog.c (write_switch, write_subroutine): Likewise.
16160 * mips-tfile.c (catch_signal, botch): Likewise.
16162 * print-rtl.c (print_rtx): Likewise.
16164 * toplev.c (default_print_error_function, report_error_function,
16165 _fatal_insn): Likewise.
16167 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16169 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16171 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16173 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16174 operations when needed.
16175 * i386.md (fop_?f_comm): New.
16176 (fop_?f_1): Do not accept commutative operands.
16178 1999-11-25 Andreas Jaeger <aj@suse.de>
16180 * config/mips/mips.md (casesi_internal): Add missing brace.
16182 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16184 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16185 (splice_child_die): Handle moving a child DIE from the declaration
16186 DIE of a class to its specification.
16187 (gen_struct_or_union_type_die): Use 'complete' consistently.
16188 (gen_decl_die): Generate the virtual context DIE first.
16189 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16191 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16193 * config/mips/mips.md (call_value_multiple_interanal1): New.
16195 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16197 * dwarf2out.c (free_AT, free_die): New fns.
16198 (remove_children): Call them.
16199 (output_line_info): Disable removal of duplicate notes.
16201 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16202 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16203 means pretend the type isn't defined.
16204 Don't defer emitting types.
16205 (gen_type_die_for_member): New fn.
16206 (gen_decl_die): Call it.
16207 (splice_child_die): New fn.
16208 (gen_member_die): Call it rather than generate duplicate dies.
16210 Defer emitting information for the abstract instance of an inline
16211 until we either inline it or emit an out-of-line copy.
16212 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16213 from output_inline_function if DECL_ABSTRACT is also set.
16214 (block_ultimate_origin): Likewise.
16215 (gen_abstract_function): New fn.
16216 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16217 (gen_subprogram_die): An abstract instance is not a declaration
16218 just because it doesn't match current_function_decl. Don't abort
16219 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16220 has an abstract origin.
16221 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16222 abstract instance here.
16224 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16226 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16227 where we need to reload fpul from a system register.
16229 1999-11-24 Andreas Jaeger <aj@suse.de>
16231 * config/mips/linux.h (CPP_PREDEFINES): Added.
16232 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16234 1999-11-24 Andreas Jaeger <aj@suse.de>
16236 * config/mips/linux.h (TARGET_VERSION): Added.
16237 (HANDLE_SYSV_PRAGMA): Added.
16238 (DEFAULT_VTABLE_THUNKS): Added.
16240 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16242 * local-alloc.c (qty): New structure and static variable.
16243 (qty_phys_reg): Remove, all references changed to qty.
16244 (qty_n_refs): Likewise.
16245 (qty_min_class): Likewise.
16246 (qty_birth): Likewise.
16247 (qty_death): Likewise.
16248 (qty_size): Likewise.
16249 (qty_mode): Likewise.
16250 (qty_n_calls_crossed): Likewise.
16251 (qty_alternate_class): Likewise.
16252 (qty_changes_size): Likewise.
16253 (qty_first_reg): Likewise.
16254 (alloc_qty): Rename variable QTY to QTYNO.
16255 (finf_free_reg): Likewise.
16256 (local_alloc): Allocate qty, do not allocate the removed variables.
16258 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16260 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16261 when -membedded-pic is passed.
16263 * config/mips/mips.md (casesi): Handle 64-bit case too.
16264 (casesi_internal_di): New insn.
16266 * config/mips/mips.c (embedded_pic_offset): Always make the
16267 embedded-pic subtractions relative to the name of the current
16268 function by use of the magic string "..CURRENT_FUNCTION".
16269 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16271 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16273 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16274 of (const_int 0), when what we really care about is
16275 whether it's a zero constant anyway.
16276 (div_trap_mips16): Likewise.
16278 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16280 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16281 unroll_block_trees when generating debuggable code.
16283 * tree.h (unsave_expr_1): New function.
16284 (lang_unsave): New variable.
16285 (get_callee_fndecl): New function.
16286 * tree.c (unsave_expr_now_r): New function.
16287 (lang_unsave): Define.
16288 (unsave_expr_1): Likewise.
16289 (unsave_expr_now_r): Split out from unsave_expr_now.
16290 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16291 call unsave_expr_now_r.
16292 (get_callee_fndecl): Define.
16294 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16295 (gencheck.o): Do depend on lang_tree_files.
16297 * integrate.h (copy_decl_for_inlining): New declaration.
16298 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16299 (copy_decl_for_inlining): New function.
16300 (integrate_parm_decls): Use it.
16301 (integrate_decl_tree): Likewise.
16303 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16305 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16306 the second two from the first.
16307 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16308 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16309 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16311 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16312 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16315 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16317 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16318 needed on the address operand.
16319 * pa.c (call_operand_address): Check for the correct mode.
16321 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16323 * loop.c: Include "basic-block.h".
16324 (try_copy_prop, replace_loop_reg): New functions.
16325 (load_mems): Detect registers that just hold copies of the hoisted
16326 mem, and call try_copy_prop to eliminate them.
16327 * Makefile.in (loop.o): Update dependencies.
16329 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16331 * Makefile.in (gencheck.o): Depend on gencheck.h.
16332 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16333 (insn-peep.o): Depend on except.h and function.h.
16334 (insn-attrtab.o): Depend on RECOG_H.
16335 (insn-output.o): Depend on toplev.h and flags.h.
16336 (gengenrtl.o): Depend on real.h.
16337 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16338 Unify all dependencies to be on RECOG_H rather than recog.h.
16340 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16342 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16343 * configure.in: Try building a bi-arch 32/64-bit compiler on
16344 sparc-*-solaris2.7 and higher.
16345 * configure: Rebuild.
16347 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16349 * config/freebsd.h: New, FreeBSD architecture independent file.
16350 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16351 independent pieces.
16352 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16353 directly by i386/freebsd.h.
16354 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16355 independent configuration file.
16356 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16357 directly by i386/freebsd.h.
16358 * configure: Rebuilt.
16360 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16361 which is in the user's namespace.
16362 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16363 `i386' which is not in our namespace.
16365 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16367 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16369 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16371 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16372 (add_dwarf_attr, add_child_die): Just push onto the front.
16373 (reverse_die_lists): New fn.
16374 (add_sibling_attributes): Use it.
16375 (push_decl_scope): Reorganize.
16376 (add_name_and_src_coords_attributes): Don't set file and line for
16377 an artificial decl.
16378 (gen_subprogram_die): An artificial function doesn't need to match
16380 (gen_compile_unit_die): Return the generated die. Only add
16381 AT_comp_dir if the filename is relative.
16382 (remove_AT): Simplify loop. Also free string values.
16383 (output_die): A DIE ref can't be null.
16384 (output_value_format, value_format): Take a dw_attr_ref.
16385 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16386 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16387 AT_addr, AT_lbl): New fns.
16388 (various): Use them.
16389 (various): Constify.
16391 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16393 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16394 take SUBREG_WORD into account.
16395 (if_then_else_cond): Likewise.
16397 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16399 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16400 clause from BSD license, pursuant with
16402 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16404 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16406 * loop.c (load_mems): Reformat slightly.
16407 * basic-block.h (regset_head): New typedef.
16408 (INIT_REG_SET): New macro.
16410 1999-11-22 Bruce Korb <autogen@linuxbox.com
16412 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16413 (mips-dec-bsd*): non-functional code
16414 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16416 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16417 added three replacement fixes
16418 (no_double_slash): removed comments that are not (any longer) pertinent
16419 (bad_lval): this fix currently runs against many files.
16420 The comment seems to indicate that we should select for files
16421 containing 'pragma extern_prefix'.
16423 * fixinc/fixinc.x86-linux-gnu: deleted
16424 * fixinc/inclhack.sh: regen
16425 * fixinc/fixincl.x: regen
16426 * fixinc/fixincl.sh: regen
16428 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16430 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16431 its code is INSN and it has no notes.
16433 1999-11-22 Andrew Haley <aph@cygnus.com>
16435 * varasm.c (function_defined): Remove.
16436 (make_function_rtl): Don't set function_defined.
16437 (make_decl_rtl): Remove global register warning.
16438 * regclass.c (no_global_reg_vars): New variable.
16439 (globalize_reg): Warn if function has already been defined.
16440 (regclass_init): Set no_global_reg_vars.
16442 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16444 * regclass.c (reg_pref): New structure and static variable
16445 (prefclass): Delete.
16446 (altclass): Delete.
16447 (all uses of prefclass and altclass): Use reg_pref instead.
16449 1999-11-21 Nick Clifton <nickc@cygnus.com>
16451 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16453 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16454 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16455 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16457 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16459 * varasm.c (output_constructor): Solve problem with long long
16460 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16462 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16464 * global.c (allocno): New structure and static variable.
16465 (allocno_reg): Remove, all references replaced by allocno.
16466 (allocno_size): Likewise.
16467 (hard_reg_conflicts): Likewise.
16468 (hard_reg_preferences): Likewise.
16469 (hard_reg_copy_preferences): Likewise.
16470 (hard_reg_full_preferences): Likewise.
16471 (regs_someone_prefers): Likewise.
16472 (allocno_calls_crossed): Likewise.
16473 (allocno_n_refs): Likewise.
16474 (allocno_live_length): Likewise.
16475 (find_reg): Rename ALLOCNO to NUM.
16477 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16478 references updated.
16479 (may_move_out_cost): New variable.
16480 (init_reg_sets_1): Initialize may_move_out_cost.
16481 (record_reg_classes): Use may_move_out_cost.
16483 * regclass.c (dump_regclass): New function.
16484 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16485 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16486 pass rtl_dump_file to regclass.
16487 * rtl.h (regclass): Update prototype.
16489 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16491 * i386.md (neg, not and abs patterns): Revmap to use
16492 ix86_expand_unary_operator and ix86_unary_operator_ok.
16493 (add?f and sub?f expanders): Force operand 1 to register.
16494 * i386.c (ix86_expand_unary_operator): Rewrite.
16495 (ix86_unary_operator_ok): Ensure that memory operands
16497 (ix86_binary_operator_ok): Do not allow operand 1 to
16498 come into memory and operand 0 not.
16499 (ix86_expand_binary_operator): Ensure that
16500 src1 is not non-matching memory.
16502 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16503 to support integer registers and memory.
16504 (abss?2_integer): Likewise.
16506 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16507 (REG_CLASS_NAMES): Likewise.
16508 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16510 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16511 (movsf): Likewise; unify 4th and 5th alternative.
16512 (pushdf): Likewise.
16513 (movdf_1): Likewise; rename to movdf_integer.
16514 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16515 remove redundant splitter.
16516 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16517 (movdf_nointeger): New.
16518 (movxf_nointeger): New.
16519 (pushxf_nointeger): New.
16521 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16522 memory operands in patterns.
16523 (fop*): Refuse two memory operands.
16525 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16526 on !TARGET_USE_CLTD CPUs.
16528 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16530 * extend.texi: Document C++ restricted pointers and references.
16532 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16534 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16535 (invalidate_skipped_set): Call it unconditionally.
16536 (cse_set_around_loop): Likewise.
16538 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16540 * rtl.texi (mem): Add documentation for alias-set argument
16543 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16545 * i386.h (struct_processor_costs): New fields int_load, int_store,
16546 fp_move, fp_load and fp_store
16547 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16549 (MEMORY_MOVE_COST): New macro.
16550 * i386.c (386_cost): Define new fields.
16551 (i486_cost): Likewise.
16552 (pentium_cost): Likewise.
16553 (pentiumpro_cost): Likewise.
16554 (k6_cost): Likewise.
16556 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16557 Geoffrey Keating <geoffk@cygnus.com>
16559 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16561 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16564 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16565 (TARGET_STRICT_ALIGNMENT): New macro.
16566 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16567 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16568 * invoke.texi (M680x0 Options): Document -mstrict-align.
16570 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16571 Richard Henderson <rth@cygnus.com>
16573 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16574 (ix86_split_long_move): Declare.
16575 * i386.c (split_xf, ix86_split_movdi): Remove.
16576 (ix86_split_to_parts, ix86_split_long_move): New.
16577 * i386.md (dimode move splitters): Use ix86_split_long_move.
16578 (dfmode move splitters): Likewise.
16579 (xfmode move splitters): Likewise.
16580 (movsf_1): Allow F->r.
16581 (movdf_1, movxf_1): Allow F->ro.
16583 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16585 * except.h (struct eh_entry): Add goto_entry_p.
16586 (eh_region_from_symbol): Remove prototype.
16587 * except.c (find_func_region_from_symbol): New function.
16588 (emit_cleanup_handler): Likewise.
16589 (eh_region_from_symbol): Make it static.
16590 (add_new_handler): Verify the argument.
16591 (find_func_region): Update comment.
16592 (expand_eh_region_end): Expand handlers here, rater than waiting
16593 until expand_leftover_cleanups or start_all_catch.
16594 (expand_leftover_cleanups): Don't expand here.
16595 (expand_start_all_catch): Or here.
16596 (expand_rethrow): Check the return value from find_func_region.
16597 * function.c (expand_function_end): Emit the catch_clauses.
16599 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16601 * integrate.c (expand_inline_function): Add necessary check for NULL.
16603 1999-11-18 Nick Clifton <nickc@cygnus.com>
16605 * toplev.c (main): Correctly detect an unrecognised option.
16607 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16608 a -f option if it has not been recognised.
16610 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16612 * basic-block.h (update_life_extent): Remove trailing comma on
16613 enumeration type list.
16615 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16617 * varasm.c (output_constructor) Solved problem with long long
16618 bitfields. Corrected calculating this_time and shift. Also
16619 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16621 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16623 * flow.c (split_edge): Take looping structure into account when
16624 determining where to put the new block note.
16626 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16628 * Makefile.in (ggc-none.o): Provide host specific version if
16631 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16633 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16634 containing subregs too.
16636 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16638 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16639 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16640 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16641 (text_section): Add switches -munint-const-in-rodata and
16642 -mno-uninit-const-in-rodata.
16643 (ASM_OUTPUT_COMMON): Remove.
16644 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16645 const objects should be placed in read-only data. Otherwise declare
16648 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16650 * jump.c (jump_optimize_1): Revert last change.
16652 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16654 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16655 test if optimizing for size.
16657 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16659 * Makefile.in (toplev.o): Depend on except.h.
16660 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16662 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16664 * i386.md (divmodsi4): Rewrite to expander.
16665 (*divmodsi4_nocltd): New.
16666 (*divmodsi4_cltd): New.
16667 (divmodsi4 splitter): Handle the case when input comes in edx.
16668 (udivmodhi4): Do not use constraints in exander.
16669 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16671 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16673 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16674 for the common case.
16676 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16678 * explow.c (hard_function_value): Add outgoing argument.
16679 * expr.h (hard_function_value): Declare it.
16680 * calls.c (expand_call, emit_library_call_value): Update callers.
16681 * function.c (aggregate_value_p): Ditto.
16682 (diddle_return_value): Must look at the outgoing registers
16683 on archs with register windows.
16685 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16687 * alpha.c (alpha_build_va_list): Use make_lang_type and
16688 initialize TYPE_NAME for the va_list record.
16690 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16692 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16694 * ggc.h (struct ggc_statistics): Rearrange elements for better
16695 packing on 64-bit hosts.
16696 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16697 (compute_nearerout): Likewise.
16699 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16701 * config/rs6000/rs6000.c (first_reg_to_save): Save
16702 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16704 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16706 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16707 notion of nesting to find the DIE for a type or function.
16708 DIEs can go in limbo even if we got a context_die.
16709 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16710 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16712 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16713 (gen_type_die): Writing out the context doesn't cause member class
16714 template instantiations to be written out as well.
16716 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16718 * rs6000.h (ASM_OUTPUT_DEF): New.
16719 Based on proposed addition from David Edelsohn.
16721 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16722 Bruce Korb <autogen@linuxbox.com>
16724 * fixinc/inclhack.def
16725 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16726 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16728 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16729 (svr4_endian): enabled with SVR5
16730 (svr4_mkdev): simplified syntax and enabled with SVR5
16732 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16734 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16735 * configure: Rebuilt.
16736 * config/t-freebsd-thread: New file.
16738 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16740 * i386.c (ix86_decompose_address): Verify the base is a REG
16741 before trying to examine its register number.
16743 * basic-block.h: Remove all #defines and prototypes related to
16745 (free_bb_mem, compute_preds_succs): Remove prototype.
16746 * rtl.h (free_bb_mem): Remove prototype.
16747 * flow.c (alloc_int_list_node); Remove function.
16748 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16749 (compute_preds_succs, free_bb_mem): Likewise.
16750 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16751 * toplev.c (rest_of_compilation): Likewise.
16752 * haifa-sched.c (build_control_flow): Use flow generated edge
16753 list to build the haifa specific edge list.
16754 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16755 (schedule_insns): Do not build pred/succ lists anymore. Instead
16756 build the edge table.
16758 * basic-block.h (dump_bb_data): Remove declaration.
16759 * flow.c (dump_bb_data): Remove function.
16760 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16761 (sbitmap_union_of_predsucc): Likewise.
16763 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16764 argument. All callers changed.
16765 (delete_null_pointer_checks_1): No longer need to compute the
16768 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16769 All callers changed.
16770 (pre_expr_reaches_here_p_work): Likewise.
16771 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16772 * lcm.c (compute_laterin): Fix initialization of LATER.
16773 (compute_nearerout): Similarly for NEARER.
16775 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16777 * cse.c (set_nonvarying_address_components): Delete unused function.
16778 (refers_to_p): Likewise.
16780 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16782 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16785 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16787 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16788 definition in do while (0).
16790 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16792 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16794 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16796 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16798 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16800 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16801 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16802 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16803 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16805 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16806 saved on the stack. Output more accurate stack frame statistics
16807 into assembler file.
16809 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16811 * genextract.c (record_insn_name): New function.
16812 (get_insn_name): No longer a stub.
16813 (main): Call record_insn_name for each insn. After each label
16814 written, print the insn name in a comment.
16816 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16818 * output.h (const_section, init_section, fini_section): Add
16821 * alpha/elf.h (const_section): Delete declaration.
16823 * svr4.h (const_section): Likewise.
16825 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16827 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16828 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16829 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16831 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16832 variable-sized array bounds.
16834 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16836 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16839 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16841 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16842 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16844 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16846 * cse.c (hash_arg_in_struct): Delete.
16847 (struct table_elt): Delete elt in_struct.
16848 (struct set): Delete elt src_in_struct.
16849 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16850 the corresponding in_struct elts.
16851 (canon_hash): Likewise.
16852 (safe_hash): Likewise.
16853 (find_best_addr): Likewise.
16854 (record_jump_cond): Likewise.
16855 (cse_insn): Likewise.
16857 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16859 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16861 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16864 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16866 * function.c (diddle_return_value): Put back check that the DECL_RTL
16867 for the function is a register.
16869 * function.c (diddle_return_value): Use hard_function_value to
16870 get an rtx suitable for use in the USE/CLOBBER insn.
16872 * global.c (global_conflicts): Update comments.
16873 (record_conflicts): No need to record conflicts between pseudos here.
16875 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16877 * fixinc/fixincl.c: Added verbose levels for status messages
16879 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16881 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16882 operand as argument to expand_and or expand_binop.
16884 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16886 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16887 gcc_add_string_root.
16889 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16891 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16893 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16895 * flow.c (compute_flow_dominators): Initially put all blocks on
16897 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16898 * gcse.c (compute_cprop_avinout): Remove.
16899 (compute_cprop_data): Use compute_available.
16900 (delete_null_pointer_checks_1): Use compute_available.
16902 * basic-block.h (compute_available): Returns a void now.
16903 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16904 to return a value anymore.
16905 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16906 worklists. Fix boundary cases. Compute maximal solutions.
16907 (compute_laterin, compute_nearerout): Similarly.
16909 * dwarf2out.c (add_AT_location_description): Allow
16910 (mem (plus (pseudo) (...)) too.
16912 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16914 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16916 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16917 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16919 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16921 * gansidecl.h: Likewise.
16927 * toplev.h: Likewise.
16929 * tree.c: Likewise.
16931 * tree.h: Likewise.
16933 * varray.c: Likewise.
16935 * varray.h: Likewise.
16937 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16939 * gcov.c (struct arcdata): Add hits and total, remove prob.
16940 (output_branch_counts): New.
16941 (process_args): Set output_branch_counts if -c.
16942 (calculate_branch_probs): Store hits and total instead of
16944 (output_data): Emit counts if output_branch_counts is true.
16945 * gcov.texi (Invoking Gcov): Document -c switch..
16947 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16949 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16950 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16952 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16954 * invoke.texi (C Dialect Options): Add missing builtins from
16955 c-common.c to list.
16956 * extend.texi (Other Builtins): Copy to this list.
16958 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16960 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16961 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16962 redundant bitmap.h.
16964 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16966 * flow.c (compute_flow_dominators): No longer treat basic block 0
16967 or (n_basic_blocks - 1) specially. Clear the AUX field before
16968 starting computation of doms/pdoms. Fix initial state for pdoms.
16970 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16972 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16973 match rtl.o's: added ggc.h and toplev.h
16974 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16975 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16976 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16978 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16980 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16981 from HAVE_DOS_BASED_FILESYSTEM.
16982 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16983 HAVE_DOS_BASED_FILESYSTEM.
16985 (split_directories): Only special-case DOS file names if
16986 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16987 instead of explicit tests. Conditionalize on !VMS.
16988 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16989 tests. Conditionalize on !VMS.
16990 (process_command): Only use make_relative_prefix if !VMS.
16991 (free_split_directories): Conditionalize on !VMS.
16992 (DIR_UP): Conditionalize on !VMS.
16994 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16996 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16998 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17000 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17003 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17005 * invoke.texi (Environment Variables): Document relative path
17007 * gcc.c (DIR_UP): If not defined, define as "..".
17008 (standard_bindir_prefix): New static, holds target location to
17010 (split_directories): New function to split a filename into
17011 component directories.
17012 (free_split_directories): New function, release memory allocated
17013 by split_directories.
17014 (make_relative_prefix): New function, make a relative pathname if
17015 the compiler is not in the expected location.
17016 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17017 can figure out an appropriate prefix from argv[0].
17018 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17019 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17020 STANDARD_BINDIR_PREFIX.
17022 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17024 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17026 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17027 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17028 c4x_secondary_memory_needed) Delete.
17029 (fp_zero_operand): Add mode argument.
17031 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17033 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17034 that is in reload_reg_used.
17036 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17038 * config/arm/arm-protos.h: New file: Prototypes for functions
17039 defined in arm.c and pe.c.
17040 * config/arm/arm.h: Fix compile time warnings.
17041 * config/arm/arm.c: Fix compile time warnings.
17042 * config/arm/pe.h: Fix compile time warnings.
17043 * config/arm/aout.h: Fix compile time warnings.
17045 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17047 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17050 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17051 Add support for subtargets.
17052 Add prototypes for new predicates.
17053 Add scheduling macros.
17055 * config/m32r/m32r.c: Fix compile time warnings.
17056 (int8_operand): New predicate function.
17057 (reg_or_cmp_int16_operand): New predicate function.
17058 (extend_operand): New predicate function.
17059 (m32r_adjust_code): New scheduling function.
17060 (m32r_adjust_priorty): New scheduling function.
17061 (m32r_sched_init): New scheduling function.
17062 (m32r_sched_reorder): New scheduling function.
17063 (m32r_sched_variable_issue): New scheduling function.
17064 (direct_return): New codegen function.
17065 (m32r_not_same_reg): New rtl testsing function.
17067 * config/m32r/m32r.md: Fix compile time warnings.
17068 Add support for pre decrement and post increment memory
17070 Add S<cc> patterns.
17073 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17075 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17076 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17077 (find_reg): Likewise.
17079 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17081 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17082 to avoid assembler errors.
17084 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17086 * config/v850/v850-protos.h: New file: Prototypes for functions
17088 * config/v850/v850.h: Move prototypes to v850-protos.h
17089 * config/v850/v850.c: Move prototypes to v850-protos.h
17090 * config/v850/v850.md: Fix compile time warnings.
17092 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17094 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17095 * config/fr30/fr30.c: Fix compile time warnings.
17096 * config/fr30/fr30.md: Fix compile time warnings.
17098 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17100 * tree.h (get_containing_scope): Declare it.
17101 * tree.c (get_containing_scope): New fucntion.
17102 (decl_function_context): Use it.
17103 * toplev.c (rest_of_compilation): Use get_containing_scope.
17105 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17107 * Makefile.in (rtl.o): Depend on toplev.h.
17109 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17111 * cse.c (delete_trivially_dead_insns): Replace alloca with
17113 * except.c (update_rethrow_references): Likewise.
17114 (init_eh_nesting_info): Likewise.
17115 * function.c (identify_blocks): Likewise.
17116 * gcse.c (dump_hash_table): Likewise.
17117 * graph.c (print_rtl_graph_with_bb): Likewise.
17118 * loop.c (combine_movables): Likewise.
17119 (move_movables): Likewise.
17120 (count_loop_regs_set): Likewise.
17121 (strength_reduce): Likewise.
17122 * profile.c (compute_branch_probabilities): New function, split
17124 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17125 * regclass.c (regclass): Likewise.
17126 * regmove.c (regmove_optimize): Likewise.
17127 * toplev.c (compile_file): Likewise.
17128 (main): Don't mess with the stack rlimit.
17130 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17132 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17133 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17135 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17137 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17139 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17141 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17142 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17145 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17147 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17149 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17151 * gcse.c (post_dominators): Kill.
17152 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17153 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17154 pass in a pdom array since we do not need pdoms.
17155 * haifa-sched.c (schedule_insns): Similarly.
17156 * flow.c (compute_dominators): Remove dead function.
17157 (compute_flow_dominators): Do not compute doms or pdoms if the
17158 caller does not request them. Split up loop to build doms and
17159 pdoms. Use a worklist to compute doms and pdoms.
17160 * basic-block.h (compute_dominators): Remove prototype.
17162 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17164 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17165 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17166 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17167 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17168 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17169 (schedule_region): Remove unused variable.
17170 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17172 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17174 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17175 (update_equiv_regs): Likewise.
17176 (block_alloc): Likewise.
17177 * reg-stack.c (reg_to_stack): Likewise.
17178 (convert_regs_2): Likewise.
17179 * reload1.c (reload_as_needed): Likewise.
17181 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17183 * Makefile.in (dbxout.o): Depend on ggc.h.
17184 (dwarf2out.o): Likewise.
17185 (xcoffout.o): Likewise.
17186 * dbxout.c: Include ggc.h.
17187 (dbxout_init): Register lastfile as a root.
17188 * dwarf2out.c: Include ggc.h.
17189 (dwarf2out_line): Register lastfile as a root.
17190 * xcoffout.c: Include ggc.h.
17191 (xcoffout_source_line): Register xcoff_lastfile as a root.
17193 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17195 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17197 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17199 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17201 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17203 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17205 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17206 (EXECUTE_IF_CONFLICT): Likewise.
17207 (ALLOCNO_LIVE_P): Avoid signed division.
17208 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17209 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17210 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17212 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17214 * haifa-sched.c (schedule_block): Don't crash if there's no
17215 next insn for an interblock movement.
17216 (add_branch_dependences): Don't allow clobber insns to move either.
17218 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17220 * i386.c (split_xf): New.
17221 * i386-protos.h: Declare it.
17222 * i386.md (movxf_1): Add general regs alternatives.
17223 (movxf_1+1): New splitter for same.
17225 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17227 * function.c (purge_addressof_1): Add missing return values.
17229 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17231 * function.c (is_addressof): New function. Returns true if
17232 the given piece of RTL is an ADDRESSOF.
17233 (purge_addressof_1): Make boolean. Return false if the
17234 ADDRESSOFs could not be purged.
17235 (purge_addressof): If ADDRESSOFs could not be purged from the
17236 notes attached to an insn, remove the offending note(s),
17237 unless they are attached to a libcall.
17239 1999-11-05 Andreas Jaeger <aj@suse.de>
17241 * genoutput.c (null_operand =): Initialize all fields.
17243 * errors.h: Add extern to prototypes.
17245 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17247 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17248 * configure: Rebuilt.
17250 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17252 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17253 (mirror_conflicts): New function.
17254 (global_alloc): Call it.
17255 (expand_preferences): Remove redundant CONFLICTP test.
17256 (find_reg, dump_conflicts): Likewise.
17257 (prune_preferences): Process conflicts one word at a time.
17259 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17261 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17262 instead of an explicit loop.
17264 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17266 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17267 if REG_RETVAL check succeeds, then put classp in src_elt.
17269 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17271 * function.c (pad_to_arg_alignment): Only update argument_pad
17272 if the argument's alignment is greater than STACK_BOUNDARY.
17274 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17276 * bitmap.h (BITMAP_XFREE): New.
17277 * flow.c (life_analysis): Use it.
17278 (life_analysis_1): Free blocks.
17280 * combine.c (undo_commit): New.
17281 (try_combine): Use it. Don't zap undobuf.undos.
17282 (combine_instructions): Don't zap undobuf.undos; free the
17283 undobuf.frees list.
17285 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17287 * stmt.c (cost_table_): New.
17288 (estimate_case_costs): Use it instead of xmalloc.
17290 * toplev.c (compile_file): Reuse dumpname memory instead
17293 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17295 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17296 after verifying an EH edge.
17298 * haifa-sched.c (init_rgn_data_dependences): Correctly
17299 size bb_pending_lists_length when zeroing.
17301 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17303 * function.c (diddle_return_value): New.
17304 (expand_function_end): Use it.
17305 * stmt.c (expand_null_return): Likewise.
17306 (expand_value_return): Likewise.
17308 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17310 * reload1.c (reload): Don't remove return value clobbers.
17312 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17314 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17316 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17318 * cse.c (cse_main): Use xmalloc, not alloca.
17319 (cse_basic_block): Likewise.
17320 * local-alloc.c (local_alloc): Likewise.
17322 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17323 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17325 * rtl.c: Include toplev.h.
17326 (fatal): Remove declaration.
17328 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17330 * haifa-sched.c (schedule_block): Fix thinko.
17332 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17334 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17335 S_IR* defined values
17337 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17339 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17340 call `malloc' instead.
17342 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17344 * flags.h (flag_renumber_insns): Declare.
17345 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17347 * rtl.h (renumber_insns): Change prototype.
17348 * toplev.c (flag_renumber_insns): Define.
17349 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17351 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17353 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17354 and fpsqrtd. Use them and create fdiv function unit to more
17355 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17356 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17358 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17360 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17362 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17363 insn into ready list, do not use just a raw swap.
17365 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17367 * rtl.h (renumber_insns): New function.
17368 (remove_unnecessary_notes): Likewise.
17369 * emit-rtl.c (renumber_insns): Define.
17370 (remove_unncessary_notes): Likewise.
17371 * toplev.c (rest_of_compilation): Remove dead code.
17372 Use renumber_insns and remove_unncessary_notes.
17374 * gcse.c (struct null_pointer_info): New type.
17375 (get_bitmap_width): New function.
17376 (current_block): Remove.
17377 (nonnull_local): Likewise.
17378 (nonnull_killed): Likewise.
17379 (invalidate_nonnull_info): Take a null_pointer_info as input.
17380 (delete_null_pointer_checks_1): New function.
17381 (delete_null_pointer_checks): Use it.
17383 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17384 (split_edges): Likewise.
17385 (schedule_block): Likewise.
17386 (compute_block_backward_dependencies): Likewise.
17387 (schedule_region): Likewise.
17388 (schedule_insns): Likewise.
17390 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17392 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17393 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17394 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17395 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17396 * jump.c (delete_unreferenced_labels): Don't delete if
17397 LABEL_ALTERNATE_NAME is set.
17398 * print-rtl.c (print_rtx): Dump alternate name.
17399 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17400 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17401 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17402 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17404 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17406 * fix-header.c (recognized_extern, recognized_function): Constify
17409 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17410 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17411 (compute_available): Remove unused variable `last'.
17412 (compute_nearerout): Remove unused variable `temp_bitmap'.
17413 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17414 Remove unused variable `x'.
17416 * scan.h (recognized_function, recognized_extern): Constify a
17419 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17421 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17423 * varasm.c (decode_rtx_const): Use XSTR to access the string
17426 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17428 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17430 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17432 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17434 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17436 * pa.c (ireg_operand): New function.
17437 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17438 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17439 Fix out of date comment.
17441 * pa.md (negdi2): Turn into expander + anonymous pattern.
17443 * reload.c (find_reloads): Fix typos in recent change.
17445 * dwarf2out.c: Do not include ctype.h.
17447 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17449 * regclass.c (record_reg_classes): Always use may_move_cost when
17450 seeing how operand fits with various register classes.
17452 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17454 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17455 * toplev.c: Revert Nov 1 13:22 change.
17457 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17459 * config/pa/pa.md (height reduction patterns): Add checks for
17460 overlapping operands to avoid semantic-destroying splits for
17461 height reduction patterns.
17463 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17465 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17466 have been an hyphen, fixed.
17467 * configure: Rebuilt.
17469 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17471 * config/arm/tpe.h: Add prototypes for exported functions.
17472 * config/arm/pe.c: Fix compile time warnings.
17473 * config/arm/semi.h: Fix compile time warnings.
17474 * config/arm/arm.c: Fix compile time warnings.
17475 * config/arm/arm.h: Fix compile time warnings.
17476 * config/arm/arm.md: Fix compile time warnings.
17477 * config/arm/thumb.c: Fix compile time warnings.
17478 * config/arm/thumb.h: Fix compile time warnings.
17479 * config/arm/thumb.md: Fix compile time warnings.
17481 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17483 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17486 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17487 completely unrolled.
17489 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17491 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17493 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17495 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17496 * rtl.h (rtx_equal_p): Move prototype.
17497 * rtl.c (rtx_equal_function_value_matters): Move from
17499 (rtx_equal_p): Likewise.
17500 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17501 (rtx_equal_p): Likewise.
17503 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17505 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17506 ! HAS_INIT_SECTION.
17508 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17510 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17512 * pa.h (ADDR_VEC_ALIGN): Define.
17514 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17515 notes when presented with "if (foo) break; end_of_loop" and
17516 the break sequence gets moved out of the loop.
17518 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17519 Remove explicit zero initializations of entries within MAP.
17521 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17523 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17525 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17527 * bitmap.h (BITMAP_XMALLOC): New macro.
17528 * flow.c (CLEAN_ALLOCA): Remove.
17529 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17530 (life_analysis): Likewise.
17531 (update_life_info): Don't use CLEAN_ALLOCA.
17532 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17533 (calculate_global_regs_live): Likewise.
17534 (print_rtl_with_bb): Likewise.
17535 (verify_flow_info): Likewise.
17536 * global.c (global_alloc): Likewise.
17537 (global_conflicts): Likewise.
17538 * integrate.c (save_for_inline_nocopy): Likewise.
17539 (expand_inline_function): Likewise.
17540 * jump.c (jump_optimize_1): Likewise.
17541 (duplicate_loop_exit_test): Likewise.
17542 (thread_jumps): Likewise.
17543 * loop.c (loop_optimize): Likewise.
17544 (combine_givs): Likewise.
17545 (recombine_givs): Likewise.
17546 * reorg.c (dbr_schedule): Likewise.
17547 * unroll.c (unroll_loop): Likewise.
17549 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17551 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17553 * toplev.c (rest_of_compilation): Don't optimize the CFG
17554 when rebuilding, just before dbr.
17556 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17558 * output.h (assemble_end_function, assemble_destructor,
17559 assemble_constructor, assemble_gc_entry, assemble_global,
17560 assemble_label, output_constant_pool) Constify a char*.
17562 * varasm.c (assemble_destructor, assemble_constructor,
17563 assemble_gc_entry, assemble_end_function, assemble_global,
17564 assemble_label, output_constant_pool): Likewise.
17566 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17568 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17569 explaining what is goin on in this function.
17571 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17573 * regclass.c (record_reg_classes): In matching case, recompute
17574 costs since the direction of movement is different.
17576 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17578 * resource.c (mark_target_live_regs): For unconditional branches,
17579 the resources found at the branch target should be added to the
17580 resources found so far, not intersected.
17582 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17584 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17586 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17587 (sys/mman.h): Include this file only if #HAVE_MMAP.
17588 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17589 with automatically concatenated ANSI strings.
17591 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17593 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17594 (DIV_ROUND_UP): Robustify.
17595 (ggc_recalculate_in_use_p): New function.
17596 (release_pages): Don't inline it.
17597 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17599 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17600 (clear_marks): Always save in_use_p.
17601 (sweep_pages): Use ggc_recalculate_in_use_p.
17602 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17603 Release pages before counting statistics.
17605 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17607 * toplev.c (rest_of_compilation): Fix thinko in this change:
17609 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17611 (rest_of_compilation): If inside an inlined external function,
17612 pretend we are just being declared.
17614 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17616 * flow.c (calculate_global_regs_live): Fix thinko.
17618 * integrate.c (expand_inline_function): Fix bugs in previous
17619 change from Oct 28, 1999.
17621 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17623 * stmt.c (expand_value_return): Fix typo in this change:
17625 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17626 (expand_value_return): Correctly convert VAL when promoting function
17627 return; support RETURN_REG being a PARALLEL.
17629 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17631 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17633 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17635 * hard-reg-set.h (reg_names): Constify a char*.
17637 * regclass.c (reg_names): Likewise.
17639 * regs.h (reg_names): Likewise
17641 * a29k/a29k.c (reg_names): Delete declaration.
17643 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17645 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17646 arc_output_function_epilogue): Likewise.
17648 * elxsi/elxsi.c (reg_names): Likewise.
17650 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17652 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17655 * m88k/m88k.c (output_function_profiler): Likewise.
17657 * sparc/sparc.c (sparc_flat_output_function_prologue,
17658 sparc_flat_output_function_epilogue): Likewise.
17660 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17662 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17663 warning from -Wuninitialized and put it under -W.
17664 * function.c (uninitialized_vars_warning): Warn only when the
17665 corresponding flag is set.
17667 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17669 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17670 is nonzero and the single set does not have an elt, then assign
17673 * simplify-rtx.c: New file.
17674 * Makefile.in (OBJS): Add simplify-rtx.o
17675 (simplify-rtx.o): Add dependencies.
17676 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17677 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17678 (cse_gen_binary, simplify_unary_operation): Delete.
17679 (simplify_binary_operation, simplify_plus_minus): Likewise.
17680 (check_fold_consts, simplify_relation_operation): Likewise.
17681 (simplify_ternary_operation): Likewise.
17682 (delete_trivially_dead_insns): Simplify the contents of the
17683 REG_EQUAL note before trying to substitute it into the source
17684 of the reg-reg copy at the end of a libcall sequence.
17686 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17687 references/callers changed.
17689 * mn10200.c (mn10200_va_arg): Force the return value into a
17692 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17694 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17697 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17699 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17701 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17703 * fold-const.c (fold): Fix thinko when optimizing comparisons
17706 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17708 * gcc.texi (Passes): Update front-end files to their current
17711 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17713 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17714 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17715 (PREDICATE_CODES): Add addition_operation.
17716 * alpha-protos.h (addition_operation): Declare.
17717 (secondary_reload_class): Likewise.
17718 * alpha.c (addition_operation): New.
17719 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17720 * alpha.md (adddi3): Turn into expander.
17721 (*lda, *adddi_2): New.
17722 (movsf, movdf patterns): Don't preference integer regs.
17723 (movsi, movdi patterns): Don't preference fp regs.
17725 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17727 * genrecog.c (write_switch): Check for duplicate CODE cases.
17729 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17731 * ggc-common.c: Update pre-function commentary.
17732 * ggc-page.c: Likewise.
17734 (poison_pages): Use memset directly.
17735 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17736 (ggc_collect): Poison before sweeping.
17737 * ggc-simple.c: Update pre-function commentary.
17738 (ggc_alloc_obj): Poison non-zeroed memory.
17740 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17742 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17743 match format string, even on 64-bit hosts.
17744 * gcc-page.c (ggc_page_print_statistics): Likewise.
17746 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17748 * config/i386/i386.c (ix86_cpu): Revert last patch.
17749 * config/i386/i386.h (ix86_cpu): Ditto.
17751 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17753 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17754 TYPE_SIZE, convert type of result to sizetype.
17756 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17758 * flow.c (count_or_remove_death_notes): Equate NULL with the
17761 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17762 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17765 * i386.c (pic_label_no): Delete.
17766 (ix86_attr_length_default): Don't use single_set to peek
17769 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17770 the first insn after bb->end.
17771 * i386.md (push mem peeps): Scratch is live after evaluation
17773 (cmp mem peep): Similarly.
17775 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17777 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17778 * function.c (pad_to_arg_alignment): Add missing braces.
17780 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17782 * alpha/alpha-protos.h (literal_section): Add prototype.
17783 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17786 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17788 (alpha_start_function, alpha_end_function, float_strings,
17789 alpha_need_linkage): Constify a char*
17791 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17793 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17795 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17797 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17799 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17801 * flow.c (debug_flow_info): Add prototype.
17803 * gcc.c (main): Likewise.
17805 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17808 * reload1.c (failed_reload, set_reload_reg): Likewise.
17810 * mips-tfile.c (main): Likewise.
17811 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17812 with ATTRIBUTE_NORETURN.
17814 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17816 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17817 DECL is not a memory ref.
17819 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17821 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17822 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17824 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17826 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17827 * config/mips/elf64.h: ditto.
17829 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17831 * expr.c (emit_push_insn): New argument alignment_pad.
17832 Update all callers. Adjust stack pointer based on alignment pad.
17833 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17834 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17835 (locate_and_pad_parm): New argument alignment_pad. Update all
17837 * expr.h (emit_push_insn): Update prototype.
17838 (locate_and_pad_parm): Update prototype.
17839 * calls.c (arg_data): Add new field alignment_pad.
17840 (initialize_argument_information): Initialize alignment_pad.
17842 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17844 * except.c (free_eh_nesting_info): Free the info itself.
17845 * function.c (free_after_compilation): Don't free NULL.
17846 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17847 (pre_edge_insert): Free inserted.
17848 * stmt.c (free_stmt_status): Don't free NULL.
17850 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17852 * gcov.c (DIR_SEPARATOR): Provide default.
17853 (output_data): Add test for MS-DOS format absolute filename.
17854 (fancy_abort): Correct program name.
17855 (open_files): Open all files in binary mode.
17856 * libgcc2.c (__bb_exit_func): Likewise.
17858 * profile.c (init_branch_prob): Specify binary when opening files.
17860 * flags.h (flag_unwind_tables): New decl.
17861 * toplev.c (flag_unwind_table): New definition.
17862 (f_options): Add -funwind-tables.
17863 (decode_g_option): Clarify warning when unknown -g option is given.
17864 (rest_of_compilation): If inside an inlined external function,
17865 pretend we are just being declared.
17867 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17868 (dwarf2out_frame_finish): Likewise.
17870 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17872 * fold-const.c (merge_ranges): If not in0, but in1, handle
17873 upper bounds equal like subset case.
17875 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17877 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17878 passed in a register but moved to the stack.
17880 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17882 * gcc.c (pass_exit_codes, greatest_status): New variables.
17883 (struct option_map): Add entry for "--pass-exit-codes".
17884 (execute): Update greatest_status if error.
17885 (display_help): Add documentation for -pass-exit-codes.
17886 (process_command): Handle -pass-exit-codes.
17887 (main): Look at pass_exit_codes and greatest_status on call to exit.
17889 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17891 * reload.c (find_reloads): Refine test for no input reload
17892 case to not includes reloads emitted after insn.
17894 * function.c (find_temp_slots_from_address): Handle sum involving
17895 a register that points to a temp slot.
17896 (update_temp_slot_address): Make recursive call if both old and
17897 new are PLUS with a common operand.
17898 * calls.c (expand_call): Mark temp slot for result as having
17901 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17903 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17904 component as well as "BINUTILS".
17906 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17907 * integrate.c (copy_rtx_and_substitute): Likewise.
17908 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17909 All callers changed.
17910 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17912 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17913 gdb extensions, write size of type; also be more consistent
17914 in using references when this is a subtype.
17916 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17917 that is out of range.
17919 * loop.c (unknown_constant_address_altered): New variable.
17920 (prescan_loop): Initialize it.
17921 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17922 (invariant_p, case MEM): Remove handling for volatile and readonly;
17923 check new variable if readonly.
17924 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17926 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17927 (addr_affects_sp_p): Removed from note_mem_written and only
17928 define #ifdef AUTO_INC_DEC.
17930 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17932 * regclass.c (record_reg_classes): Properly handle register move
17935 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17936 Don't think valid if both operands are invalid.
17937 (struct constant_descriptor): New field RTL.
17938 (mark_const_hash_entry): Mark it.
17939 (record_constant{,_rtx}): Initialize it.
17940 (output_constant_def): Allocate RTL in permanent obstack and
17942 ({record,compare}_constant_1): Modes must match for
17943 CONSTRUCTOR of ARRAY_TYPE.
17945 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17946 * output.h (initializer_constant_valid_p): Move decl to here.
17947 * c-common.c (initializer_constant_valid_p): Delete function from here.
17948 * varasm.c (initializer_constant_valid_p): Move function to here.
17950 * tree.h (STRIP_SIGN_NOPS): New macro.
17951 * fold-const.c (optimize_minmax_comparison): New function.
17952 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17953 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17954 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17955 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17956 widening conversions.
17957 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17958 to look at size of mode, not precision of type; also add missing cases.
17959 (optimize_bit_field_compare, decode_field_reference): Don't try to
17960 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17962 * dwarf2out.c (ctype.h): Include.
17963 (dwarf2out_set_demangle_name_func): New function.
17964 (size_of_line_info): Deleted.
17965 (output_line_info): Compute size of line info table from difference
17967 (base_type_die, add_name_attribute): Call demangle function, if any.
17968 (field_byte_offset): Use bits per word for variable length fields.
17969 (gen_array_type_die): Add array name.
17970 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17971 (dwarf2out_add_library_unit_info): New function.
17973 * explow.c (set_stack_check_libfunc): New function.
17974 (stack_check_libfunc): New static variable.
17975 (probe_stack_range): Allow front-end to set up a libfunc to call.
17977 * combine.c (simplify_comparison): When making comparison in wider
17978 mode, check for having commuted an AND and a SUBREG.
17979 (contains_muldiv): New function.
17980 (try_combine): Call it when dividing a PARALLEL.
17981 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17982 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17984 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17985 use one of the CLOBBERs instead.
17986 (if_then_else_cond): If comparing against zero, just return thing
17989 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17990 Don't generate shifts and subtract if have conditional arithmetic.
17992 * rtl.h (delete_barrier): New declaration.
17993 * jump.c (jump_optimize): Set up to handle conditional call.
17994 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17995 (delete_barrier): New function.
17997 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17999 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18001 * tree.c (build_type_attribute_variant): Push to obstack of
18002 ttype around type_hash_canon call.
18004 * expr.c (placeholder_list): Move decl to file scope.
18005 (expand_expr): Don't force access to volatile just because its
18007 If ignoring reference operations, just expand the operands.
18008 (expand_expr, case COMPONENT_REF): Propagate
18009 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18010 Refine test for using bitfield operations vs pointer punning.
18011 (expand_expr, case CONVERT_EXPR): If converting to
18012 BLKmode UNION_TYPE from BLKmode, just return inner object.
18013 Use proper mode in store_field call.
18014 Properly set sizes of object to store and total size in store_field
18015 call for convert to union.
18016 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18017 memory (like for ADDR_EXPR). Also, don't put constant in register if
18018 we'll want it in memory.
18019 (readonly_fields_p): New function.
18020 (expand_expr, case INDIRECT_REF): Call it if LHS.
18021 (expand_assignment): Handle a RESULT_DECL where
18022 DECL_RTL is a PARALLEL.
18023 (do_jump, case WITH_RECORD_EXPR): New case.
18024 (get_inner_reference): Always go inside a CONVERT_EXPR
18025 and NOP_EXPR if both modes are the same.
18026 (store_field): Use bitfield operations if size of bitsize is not same
18027 as size of RHS's type.
18028 Check for bitpos not a multiple of alignment in BLKmode case.
18029 Do block move in largest possible alignment.
18030 (store_constructor): Set BITSIZE to -1 for variable size and properly
18031 in case of array of BLKmode.
18032 (expand_expr_unaligned): New function.
18033 (do_compare_and_jump): Call it.
18035 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18036 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18037 does not include 'o'.
18039 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18040 both SET_DEST and SET_SRC reference a virtual register.
18041 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18043 * integrate.c (expand_inline_function): Handle case of setting
18044 virtual stack vars register (from built in setjmp); when parameter
18045 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18046 (subst_constant): Add new parm, MEMONLY.
18047 (expand_inline_function, integrate_parm_decls): Pass new parm.
18048 (integrate_decl_tree): Likewise.
18049 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18050 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18051 (copy_rtx_and_substitute, case SET): Add explicit calls to
18052 copy_rtx_and_substitute for both sides.
18054 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18056 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18057 within INDEX_TYPE, instead of before.
18058 (fixup_gotos): Use f->target_rtl, not the next insn,
18059 since latter may be from a later fixup.
18060 (expand_value_return): Correctly convert VAL when promoting function
18061 return; support RETURN_REG being a PARALLEL.
18062 (expand_return): When checking for result in regs and having
18063 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18065 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18067 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18068 last_nominal_fname): Mark const.
18069 (struct include_hash: name, nshort, control_macro): Mark
18071 (struct macrodef: symnam): Mark const.
18072 (struct if_stack: fname): Mark const.
18073 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18074 (IStable): New character-syntax array which encompasses all
18075 the old is_foo arrays.
18076 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18077 is_space): New macros for interrogating IStable.
18078 (check_macro_name): Kill last argument. All callers changed.
18080 * cppinit.c (initialize_char_syntax): Delete.
18081 (is_idchar, is_idstart, is_hor_space, is_space,
18082 trigraph_table): Delete.
18083 (IStable): New. Initialize with clever macros to avoid
18084 information duplication.
18085 (builtin_array): Table of builtins to get rid of explicit list
18086 in initialize_builtins.
18087 (initialize_builtins): Use builtins_array.
18088 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18089 opts->dollars_in_ident.
18091 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18093 (cpp_parse_expr): Avoid 'format string is not constant'
18094 warning. Use ISGRAPH to identify printable chars.
18095 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18097 (read_and_prescan): Map trigraphs to chars with open-coded
18098 if-else-if-... sequence, not a lookup table.
18099 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18101 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18102 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18103 (check_macro_name): Remove ability to report an invalid
18104 assertion name, which is never used.
18105 (do_line): Constify a couple of char *'s.
18106 * cppmain.c (main): Call cpp_cleanup before returning.
18108 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18110 * ggc.h (struct ggc_statistics): New type.
18111 (ggc_get_size): New function.
18112 (ggc_print_statistics): Likewise.
18113 * ggc-common.c (ggc_stats): New variable.
18114 (ggc_mark_rtx_children): Keep statistics.
18115 (ggc_mark_tree_children): Likewise.
18116 (ggc_print_statistics): New function.
18117 * ggc-page.c (struct globals): Add bytes_mapped field.
18118 (alloc_anon): Update it.
18119 (release_pages): Likewise.
18120 (ggc_get_size): New function.
18121 (ggc_page_print_statistics): New function.
18122 * ggc-simple.c (ggc_get_size): New function.
18124 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18126 * flow.c (propagate_block): When the last reference to a label
18127 before an ADDR_VEC is deleted because the reference is a dead
18128 store, delete the ADDR_VEC.
18130 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18132 * resource.c (find_free_register): Don't use the frame pointer
18133 if frame_pointer_needed.
18135 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18137 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18138 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18140 * config/i960/i960.c (i960_va_start): New locals base, num.
18141 Use INDIRECT_REF instead of ARRAY_REF on valist.
18142 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18144 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18146 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18148 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18150 * tree.def (PLACEHOLDER_EXPR): Update comments.
18152 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18154 * c-common.c (check_format_info): Avoid non-literal format string
18155 warnings when `first_arg_num' is zero.
18157 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18159 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18161 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18163 * arm.md (casesi_insn): Add a clobber of the condition code
18166 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18168 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18169 used by both cc1 and cc1plus.
18171 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18173 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18174 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18175 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18176 to the value 32 if it has not already been defined.
18177 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18178 Override definition in arm.h with a value of 8.
18180 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18182 * c-pragma.c (push_alignment): Don't check the return value
18185 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18187 * sparc.h (ADJUST_COST): Fix thinko.
18189 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18191 * cccp.c (rescan): Fixed obp pointer handling around call to
18192 check_expand subroutine.
18194 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18196 * gcse.c (delete_null_pointer_checks): Only record non-null info
18197 for pseudos when examining stores.
18199 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18200 splitters for these patterns. Use "#" for output templates.
18201 (addsi3_carryin_shift): New pattern.
18203 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18205 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18206 of the function return register into a plain REG until
18207 after function inlining is done.
18209 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18211 * jump.c (jump_optimize_1): If we did cross-jumping, and
18212 the data will matter, rebuild the CFG.
18213 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18214 not optimizing. Don't run shorten_branches.
18215 * toplev.c (rest_of_compilation): Run shorten_branches after
18218 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18220 * rtl.h (note_stores): Add additional paramter.
18221 * rtlanal.c (reg_set_p_1): Take additional paramter.
18222 (reg_set_last_1): Likewise.
18223 (reg_set_p): Adjust call to note_stores.
18224 (reg_set_last): Likewise.
18225 (note_stores): Pass data parameter to worker function.
18226 * alias.c (record_set): Take additional parameter.
18227 (init_alias_analysis): Pass it.
18228 * caller-save.c (mark_set_regs): Take additional parameter.
18229 (save_call_clobbered_regs): Pass NULL to note_stores.
18230 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18232 (record_dead_and_set_regs_1): Likewise.
18233 (reg_dead_at_p_1): Likewise.
18234 (combine_instructions): Adjust calls to note_stores.
18235 (try_combine): Likewise.
18236 (record_dead_insn): Remove.
18237 (record_dead_and_set_regs): Adjust calls to note_stores.
18238 (reg_dead_at_p): Likewise.
18239 * cse.c (invalidate_skipped_set): Take additional parameter.
18240 (cse_check_loop_start): Likewise.
18241 (cse_check_loop_start_value): Remove.
18242 (cse_set_around_loop): Adjust calls to note_stores.
18243 * flow.c (notice_stack_pointer_modification): Take additional
18244 parameter. Remove duplicate declaration.
18245 (record_volatile_insns): Adjust calls to note_stores.
18246 * gcse.c (record_set_info): Take additional parameter.
18247 (record_last_set_info): Likewise.
18248 (invalidate_nonnull_info): Likewise.
18249 (record_set_insn): Remove.
18250 (compute_sets): Adjust calls to note_stores.
18251 (last_set_insn): Remove.
18252 (compute_hash_table): Adjust calls to note_stores.
18253 (insert_insn_end_bb): Likewise.
18254 (delete_null_pointer_checks): Likewise.
18255 * global.c (mark_reg_store): Take additional parameter.
18256 (mark_reg_clobber): Likewise.
18257 (reg_becomes_live): Likewise.
18258 (global_conflicts): Adjust calls to note_stores.
18259 (build_insn_chain): Likewise.
18260 * integrate.c (note_modified_parmregs): Take additional parameter.
18261 (mark_stores): Likewise. Make it static.
18262 (save_for_inline_nocopy): Adjust calls to note_stores.
18263 (try_constants): Likewise.
18264 * integrate.h (mark_stores): Remove declaration.
18265 * jump.c (mark_modified_reg): Take additional parameter.
18266 (thread_jumps): Adjust calls to note_stores.
18267 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18269 (no_equiv): Likewise.
18270 (reg_is_set): Likewise.
18271 (validate_equiv_mem): Adjust calls to note_stores.
18272 (update_equiv_regs): Likewise.
18273 (block_alloc): Likewise.
18274 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18275 (note_addr_stored): Take additional parameter.
18276 (note_set_pseudo_multiple_uses): Likewise.
18277 (record_initial): Likewise.
18278 (prescan_loop): Adjust calls to note_stores.
18279 (strength_reduce): Likewise.
18280 (check_dbra_loop): Likewise.
18281 * regmove.c (flags_set_1): Take additional paramter.
18282 (mark_flags_life_zones): Adjust calls to note_stores.
18283 * reload1.c (mark_not_eliminable): Take additional parameter.
18284 (forget_old_reloads_1): Likewise.
18285 (reload_cse_invalidate_rtx): Likewise.
18286 (reload_cse_check_clobber): Likewise.
18287 (reload_combine_note_store): Likewise.
18288 (move2add_note_store): Likewise.
18289 (reload): Adjust calls to note_stores.
18290 (reload_as_needed): Likewise.
18291 (emit_reload_insns): Likewise.
18292 (reload_cse_regs_1): Likewise.
18293 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18294 (reload_combine): Adjust calls to note_stores.
18295 * resource.c (update_live_status): Take additional paramter.
18296 (mark_target_live_regs): Adjust calls to note_stores.
18297 * stupid.c (find_clobbered_regs): Take additional parameter.
18298 (stupid_life_analysis): Adjust calls to note_stores.
18300 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18302 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18305 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18308 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18309 of the variable arm_structure_size_boundary.
18311 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18313 * alias.c (init_alias_analysis): Allocate reg_known_value and
18314 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18316 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18317 * cse.c (cse_main): Call end_alias_analysis.
18318 * haifa-sched.c (schedule_insns): Likewise.
18319 * local-alloc. (update_equiv_regs): Likewise.
18320 * reload1.c (reload_cse_regs): Likewise.
18322 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18324 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18325 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18326 mapping from MASK_FPU.
18328 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18330 * sparc.md (call): Don't bound structure return size to 0xfff.
18332 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18334 * resource.c (mark_target_live_regs): Check that the target
18335 insn wasn't created after compute_bb_for_insn.
18337 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18339 * ggc-page.c (poison_pages): Don't be overzealous.
18341 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18343 * alias.c: Update comments for ADDRESS.
18344 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18345 it is a local memory reference.
18347 * c-typeck.c (build_function_call): Check that the built-in
18348 function is of class BUILT_IN_NORMAL before trying to recongize
18349 it as BUILT_IN_ABS.
18350 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18351 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18353 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18355 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18357 (pre_gcse): Likewise.
18358 (hoist_expr_reaches_here_p): Likewise.
18359 (hoist_code): Likewise.
18360 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18362 (pre_expr_reaches_here_p_work): ... here.
18363 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18365 (expr_reaches_here_p_work): ... here.
18367 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18369 * resource.c (find_basic_block): Delete.
18370 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18371 (init_resource_info): Call compute_bb_for_insn.
18373 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18375 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18376 with already adjacent blocks, but no fallthru.
18377 (merge_blocks_move_successor_nojumps): Simplify.
18378 (debug_flow_info): New.
18380 * toplev.c (rest_of_compilation): Open jump1 dump file before
18381 jump and close after, as opposed to just using dump_rtl.
18383 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18385 * reload.h (earlyclobber_operand_p): Declare.
18386 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18387 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18388 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18389 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18391 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18392 Richard Henderson <rth@cygnus.com>
18394 * emit-rtl.c (emit_block_insn_before): New.
18395 (emit_block_insn_after): New.
18396 * basic-block.h: Declare them.
18398 * bitmap.h: Protect from multiple inclusion.
18400 * recog.c (scratch_operand): Handle VOIDmode correctly.
18402 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18404 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18405 * function.c (assign_parms): Likewise.
18406 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18408 * reg-stack.c (max_uid): Remove.
18409 (blocks, block_begin, block_end, block_drops_in): Remove.
18410 (block_stack_in, block_out_reg_set, block_number): Remove.
18411 (struct block_info_def, BLOCK_INFO): New.
18412 (enum emit_where): New.
18413 (current_block): New.
18414 (BLOCK_NUM): Remove.
18415 (mark_regs_pat, record_label_references): Remove.
18416 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18418 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18419 (reg_to_stack): Simplified test for existance of fp code. Use
18420 flow.c code. Call shorten_branches after cross-jump opt.
18421 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18422 Return false if the asm doesn't use stack regs. Don't do life
18423 analysis on the asm.
18424 (emit_pop_insn): Replace function pointer arg `when' with
18425 enum `where'. Update all callers.
18426 (change_stack): Likewise. Update basic block end.
18427 (emit_swap_insn): Use current_block->head to limit reverse search
18428 for start of block. Use emit_block_insn_after.
18429 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18430 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18431 structure assignment instead of bcopy.
18432 (print_stack): New.
18433 (convert_regs_entry, convert_regs_exit): New.
18434 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18435 Work on basic blocks and the CFG.
18436 (convert_regs): Use them.
18438 * i386.c (output_fix_trunc): Remove code for DImode input operand
18439 not at top-of-stack.
18440 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18442 (fix_truncdi_1): Allow any mode scratch.
18444 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18446 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18447 * linux.h, netbsd.h, vms.h: Not here.
18449 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18451 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18452 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18453 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18454 CONDITIONAL_REGISTER_USEAGE): Use them.
18455 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18456 gen_conditional_branch,override_options) : Use them.
18457 * config/mips/mips.md : Use them.
18459 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18461 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18463 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18465 * integrate.c (function_cannot_inline_p): Don't allow inlining
18468 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18470 * c-parse.in (cast_expr): Constify.
18472 * cccp.c (special_symbol): Likewise.
18474 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18476 * dwarf2out.c (base_type_die): Likewise.
18478 * global.c (allocno_compare): Likewise.
18480 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18482 * regclass.c (fix_register): Likewise.
18484 * rtl.h (fix_register): Likewise.
18486 * stupid.c (stupid_reg_compare): Likewise.
18488 * toplev.c (decode_f_option): Likewise.
18490 * tree.c (build_complex_type): Likewise.
18492 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18494 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18496 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18498 * reload.c (find_reloads): Compute mode and nregs fields of all
18500 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18501 (calculate_needs): Use precomputed mode/nregs values.
18502 (allocate_reload_reg): Likewise.
18504 (failed_reload, set_reload_reg): ... new functions.
18505 (choose_reload_regs_init): New function, mostly broken out from...
18506 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18507 Also lose one #if 0 block.
18509 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18511 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18514 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18516 * tree.h (BLOCK_TYPE_TAGS): Remove.
18517 (BLOCK_END_NOTE): Likewise.
18518 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18519 (BLOCK_LIVE_RANGE_START): Likewise.
18520 (BLOCK_LIVE_RANGE_END): Likewise.
18521 (tree_block): Remove live_range_flag, live_range_var_flag, and
18522 type_tags. Remove end_note, live_range_start, and live_range_end.
18523 (remember_end_note): Remove prototype.
18524 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18525 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18527 * ggc-common.c (ggc_mark_tree_children): Don't mark
18528 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18529 * integrate.c (adjust_copied_decl_tree): Remove.
18530 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18531 * stmt.c (last_block_end_note): Remove.
18532 (init_stmt): Don't add a GC root for it.
18533 (expand_fixup): Don't set it.
18534 (remember_end_note): Remove.
18535 (expand_end_bindings): Don't set last_block_end_note.
18537 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18539 * reload1.c (reload_reg_free_for_value_p): Show
18540 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18543 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18545 * expmed.c (extract_bit_field): Allow for the case of non-integer
18546 objects that are smaller than a word (like SFmode on a 64-bit
18549 * loop.c (basic_induction_var): A non-integer variable which is
18550 being set by a paradoxical subreg is probably not a biv.
18552 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18554 * prefix.c (translate_name) Check for empty prefix string.
18556 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18558 * Makefile.in (CPP_CROSS_NAME): New variable.
18559 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18561 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18562 names of the files to be uninstalled.
18564 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18566 * collect2.c (IS_DIR_SEPARATOR): Define.
18567 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18569 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18572 * haifa-sched.c (add_dependence): Update the true dependency
18573 cache the first time we add a true dependence to the LOG_LINKS chain.
18575 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18577 * fold-const.c (fold): Fix comment.
18579 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18581 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18582 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18583 dbxout_start_new_source_file, dbxout_source_file,
18584 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18585 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18587 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18588 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18589 (dbxout_block): Initialize variable `blocknum'.
18591 * dbxout.h (dbxout_init, dbxout_finish,
18592 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18593 dbxout_args, dbxout_source_line): Constify a char*.
18595 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18596 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18597 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18598 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18599 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18600 src_info_attribute, mac_info_attribute, producer_attribute,
18601 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18602 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18603 dwarfout_undef): Constify a char*.
18604 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18606 * dwarfout.h (dwarfout_define, dwarfout_undef,
18607 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18609 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18611 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18612 (MULTILIB_ISA_DEFAULT): New.
18613 (MULTILIB_DEFAULTS): Use it.
18614 * config/mips/mips.c (): Remove the now unnecessary definition
18615 of MIPS_ISA_DEFAULT.
18616 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18617 unnecessary definition.
18619 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18621 * arm.md (pic_load_addr): Add constraints to operand 1.
18623 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18625 * fixinc/genfixes: Provide a means for specifying -D options to
18628 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18630 * arm.c (arm_override_options): Correct initialization of
18631 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18632 arm_is_strong, and arm_is_6_or_7.
18634 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18635 (note_set_pseudo_multiple_uses): New function.
18636 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18637 if a pseudo set in the loop exit is used elsewhere.
18639 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18641 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18643 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18645 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18646 a single load-address pattern.
18648 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18650 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18651 depending on whether or not line-number notes are present.
18653 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18655 * cccp.c (progname, file_buf, default_include, include_file,
18656 macrodef, definition, hashval, wchar_type, user_label_prefix,
18657 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18658 expand_to_temp_buffer, is_system_include, base_name,
18659 absolute_filename, read_name_map, open_include_file,
18660 record_control_macro, check_precompiled, check_preconditions,
18661 pcfinclude, pass_thru_directive, create_definition,
18662 check_macro_name, comp_def_part, collect_expansion,
18663 check_assertion, read_token_list, assertion_install,
18664 assertion_lookup, eval_if_expression, conditional_skip,
18665 validate_else, skip_quoted_string, quote_string, macarg1,
18666 error_from_errno, install, lookup, hashf, dump_defn_1,
18667 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18668 check_white_space, rescan, handle_directive, monthnames,
18669 special_symbol, do_include, remap_include_file, write_output,
18670 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18671 do_ident, do_sccs, do_xifdef, skip_if_group,
18672 output_line_directive, macroexpand, macarg, change_newlines,
18673 initialize_builtins, make_definition): Constify a char*.
18675 * pcp.h (stringdef): Likewise.
18677 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18679 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18682 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18683 Richard Henderson <rth@cygnus.com>
18685 * alias.c: Include ggc.h.
18686 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18687 (record_set): Verify enough room in reg_base_value.
18688 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18689 Register it as a GC root.
18690 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18691 * Makefile.in (alias.o): Depend on ggc.h.
18693 * unroll.c (unroll_loop): Verify the insn before a barrier
18694 is a JUMP_INSN before checking JUMP_LABEL.
18696 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18698 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18699 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18700 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18701 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18702 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18703 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18705 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18707 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18709 * alpha/alpha-interix.h (text_section): Delete prototype.
18710 * alpha/elf.h (text_section): Likewise.
18711 * arm/linux-elf.h (text_section): Likewise.
18712 * arm/linux-telf.h (text_section): Likewise.
18713 * c4x/c4x.h (text_section): Likewise.
18714 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18715 * elfos.h (text_section): Likewise.
18716 * i386/aix386ng.h (text_section): Likewise.
18717 * i386/i386-interix.h (text_section): Likewise.
18718 * i386/sco5.h (text_section): Likewise.
18719 * i386/svr3gas.h (text_section): Likewise.
18720 * nextstep.h (text_section): Likewise.
18721 * psos.h (text_section): Likewise.
18722 * ptx4.h (text_section): Likewise.
18723 * svr3.h (text_section): Likewise.
18724 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18726 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18728 * final.c (peephole): Delete prototype.
18730 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18731 (pre_insert_copies): Remove unused variable `bb'.
18733 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18736 * output.h (peephole): Add prototype.
18738 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18740 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18743 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18745 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18746 for inlined declarations.
18748 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18750 * arm.c (logical_binary_operator): New fucntion.
18751 * arm.h (logical_binary_operator): Declare it.
18752 (PREDICATE_CODES): Handle logical_binary_operator.
18753 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18754 output constraints. Add appropriate splitters.
18755 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18756 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18757 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18759 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18761 * genoutput.c (struct operand_data): New elt eliminable.
18762 (output_operand_data): Write it.
18763 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18764 (compare_operands): Take it into account.
18765 * recog.h (struct insn_operand_data): New elt eliminable.
18766 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18768 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18769 (eliminate_regs): Move code that detects changes to elimination
18770 target regs into new function elimination_effects.
18771 Delete one #if 0 block.
18772 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18773 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18774 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18775 Only call eliminate_regs for real operands of the insn, not for parts
18776 of its structure or parts matched by things like match_operator.
18777 Use elimination_effects and check_eliminable_occurrences. Use
18778 copy_insn to duplicate the pattern when not in the final pass.
18780 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18782 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18785 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18787 * fixinc/README: document the "mach" machine matching test
18788 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18789 * fixinc/fixtests.c: Implement the #else/#endif label test
18790 * fixinc/inclhack.def: utilize these tests and fixes
18791 * fixinc/inclhack.sh: regen
18792 * fixinc/fixincl.x: regen
18793 * fixinc/fixincl.sh: regen
18795 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18797 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18800 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18802 * gcc.1: Document exit codes.
18804 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18806 * calls.c: Include tm_p.h later, so everything we need is defined.
18807 * expr.c: Likewise.
18808 * function.c: Likewise.
18810 * except.c: Include tm_p.h.
18812 * sparc.c: Likewise.
18813 (dwarf2out_cfi_label): Don't prototype.
18814 (check_return_regs, epilogue_renumber,
18815 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18816 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18817 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18818 ultra_schedule_insn): Add static prototype.
18819 (data_segment_operand, text_segment_operand): Call itself with the
18820 proper number of arguments.
18821 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18823 * sparc.h: Move all declarations to sparc-protos.h.
18824 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18827 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18829 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18831 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18832 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18833 ASM_OUTPUT_ASCII): Constify a char*.
18835 * sparc-protos.h: New file for sparc prototypes.
18837 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18839 * function.c (record_insns, contains): Always declare and define.
18840 (record_insns): Mark with ATTRIBUTE_UNUSED.
18842 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18844 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18845 to .section when outputting a .bss section to deal with multiple
18846 .bss input sections (as happens with -fdata-sections)
18847 Also output %progbits, not @progbits so the assembler doesn't treat as
18849 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18851 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18852 thumb parts even when building with non-thumb CPUs, by forcing
18855 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18857 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18858 (movdf_const_intreg_sp64): Similarly.
18860 * local-alloc.c (update_equiv_regs): Check the correct insn
18861 for pre-existing REG_EQUIV notes.
18863 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18865 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18866 block reached by a branch if we're not going to actually process
18869 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18871 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18872 a local extern function declaration.
18874 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18876 * i386.c (ix86_expand_prologue): Properly wrap USE around
18877 reg for CALL_INSN_FUNCTION_USAGE.
18879 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18881 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18882 move between GP_REGs.
18884 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18886 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18887 the mode size when finding out if an offset is legal.
18889 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18891 * basic-block.h (PROP_*): Move constants from ...
18892 * flow.c: ... here.
18893 (compute_bb_for_insn): Free the array before reallocating.
18894 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18895 (allocate_reg_life_data): Reset all reg variables collected by
18897 (get_block_head_tail): Don't convert from bb to block.
18898 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18899 (find_insn_reg_weight): Take block not bb.
18900 (schedule_block): Don't set block num for moved insns.
18901 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18902 (schedule_insns): Do it here instead.
18903 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18904 before update_life_info.
18905 * recog.c (split_all_insns, peephole2_optimize): Update for
18906 new arg to update_life_info.
18907 * rtlanal.c (remove_note): Cope with NULL note.
18908 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18911 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18913 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18915 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18916 block records so that merge_blocks_nomove will clean up correctly.
18917 (split_edge): Handle casesi insns.
18919 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18921 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18923 * pa.md (call, call_value): Do not emit a blockage after restoring
18926 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18928 * c-typeck.c (c_expand_asm_operands): Fix typo.
18930 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18932 * arm.c (fpu_rhs_operand): Verify modes.
18933 (fpu_add_operand): Likewise.
18934 (di_operand): Likewise.
18935 (soft_df_operand): Likewise.
18937 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18939 * arm.c (arm_return_in_memory): APCS rules state that the elements
18940 of a structure returned in a register must be 'integer-like'.
18942 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18944 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18945 in the source tree when the generated targets are out of date
18946 * fixinc/genfixes: Alter it to run individual fixes for make.
18947 * fixinc/README: rewrite
18948 * fixinc/inclhack.def: moved initial comments to README
18950 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18952 * toplev.c (main): Do not generate an error message if an
18953 unrecognised command line switch is recognisable by another
18954 language. If extra_warnings are enabled, then generate a
18955 warning message instead.
18957 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18959 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18960 (insert_pack_attributes): Delete prototype.
18962 * c-pragma.c (default_alignment): New static variable.
18963 (push_alignment): Initialize to current effective alignment.
18964 (pop_alignment): Use to set new alignment.
18965 (insert_pack_attributes): Delete function.
18966 (handle_pragma_token): Set default_alignment as well each time
18967 a #pragma pack(<n>) is encountered.
18969 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18971 * reg-stack.c (stack_result): Aggregates are not returned in
18974 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18976 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18978 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18980 * basic-block.h (set_block_num): Declare.
18981 * flow.c (update_life_info): Don't call compute_bb_for_insn
18982 or free_basic_block_vars.
18983 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18984 (insn_orig_block): Remove.
18985 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18986 (schedule_block): Keep BLOCK_NUM up-to-date.
18987 (schedule_insns): Use compute_bb_for_insn.
18988 * recog.c (split_all_insns): Likewise.
18989 (peephole2_optimize): Likewise.
18991 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18993 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18994 if the pic register is used.
18996 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18998 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18999 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19000 if that tests TREE_PERMANENT.
19002 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19004 * cse.c (invalidate_for_call): Do not remove memory references from
19005 the table here. It's handled elsewhere.
19007 * haifa-sched.c (add_dependence): Protect references to the
19008 true dependency cache with #ifdef INSN_SCHEDULING.
19009 (remove_dependence): Similarly.
19011 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19012 to the cfg code that this is a return instruction.
19013 * mn10300.md (return_internal): Similarly.
19015 * combine.c (get_last_value): If the last set of a register
19016 is after subst_low_cuid, then we can not use it to determine
19017 the register's last value.
19019 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19021 * Makefile.in: Back out previous change.
19023 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19025 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19027 * haifa-sched.c (add_dependence): Only check/update the cache
19029 (remove_dependence): Likewise.
19030 (schedule_insns): Only create the true_dependency_cache if the
19031 average number of instructions in a basic block is very large.
19033 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19035 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19036 (ggc-simple.o): Likewise.
19037 (ggc-page.o): Likewise.
19039 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19041 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19042 Prototype for exported functions.
19043 (pre_lcm, pre_rev_lcm): Remove prototypes.
19044 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19045 (compute_available): Move to lcm.c, and change parameter order.
19046 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19047 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19048 (gcse_main): No longer call compute_preds_succs. Rebuild the
19049 set table after reach pre pass.
19050 (pre_insert_map, pre_delete_map, edge_list): New.
19051 (alloc_pre_mem): Allocate edge vectors.
19052 (free_pre_mem): Delete edge vectors.
19053 (compute_pre_data): Call new edge based lcm routines.
19054 (process_insert_insn): New function.
19055 (insert_insn_end_bb): Use it.
19056 (pre_edge_insert): New function.
19057 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19059 (pre_insert_copies): Revamp using new edge based lcm outputs.
19060 (pre_delete): Likewise.
19061 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19063 (compute_code_hoist_vbeinout): New new edge based routines.
19064 * lcm.c: Remove all the old LCM functions. Replace with new ones
19065 that work with the new cfg datastructures and work with edges
19068 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19070 * reload.h (struct reload): Add new fields "mode" and "nregs".
19071 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19072 to reference the "mode" and "nregs" field within struct reload.
19074 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19076 * haifa-sched.c (true_dependency_cache): New.
19077 (add_dependence): Use the true dependency cache to avoid expensive
19078 walks down the LOG_LINKS dependency list. Add entries to the
19079 cache as necessary.
19080 (remove_dependence): Remove entries from the true dependency cache
19082 (schedule_insns): Allocate and initialize and free the true
19085 * haifa-sched.c (schedule_insns): Do not remove inter-block
19086 dependencies anymore.
19088 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19090 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19091 * i386/t-winnt: Likewise.
19093 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19095 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19097 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19099 * Makefile.in (LANGUAGES): Omit "proto".
19100 (clean): Remove stale comment about removing unprotoize.c.
19102 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19104 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19105 using arithmetic on void pointers.
19107 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19109 * haifa-sched.c (compute_block_forward_dependencies): Only check
19110 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19112 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19114 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19115 (expr_equiv_p): Reject memories with different alias sets.
19117 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19119 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19120 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19121 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19122 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19123 (lang_init): Set default for flag_bounds_check if still "unspecified".
19125 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19127 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19129 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19131 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19134 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19136 * config/c4x/c4x.md (*db_noclobber,
19137 *decrement_and_branch_until_zero_noclobber): New patterns and
19138 associated splitters.
19140 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19142 * config/c4x/c4x.md (parallel instruction patterns): Rework
19143 constraints to keep reload happy.
19145 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19147 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19148 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19149 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19150 Add new patterns and associated post-reload splitters.
19152 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19154 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19156 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19158 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19160 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19162 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19164 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19167 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19169 * pa.c (move_operand): Rely on memory_address_p to determine the
19170 validity of non-indexed memory addresses.
19171 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19172 operand in DFmode and SFmode when generating PA2.0 code.
19174 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19176 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19178 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19180 * mips.c (function_prologue): Fix argument types.
19181 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19182 (casesi_internal): Write to the scratch register.
19184 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19186 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19188 (parse_charconst): Delete unnecessary cast when calling
19190 (cpplib.h): Kill prototype of cpp_parse_escape.
19192 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19194 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19195 * unroll.c (unroll_loop): Cast return value of alloca.
19196 * i370/i370.c: Include function.h and toplev.h.
19197 (i370_label_scan): Remove c++ commented abort.
19198 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19199 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19200 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19201 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19203 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19205 * config/t-freebsd: Do not override USER_H.
19206 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19208 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19209 Mumit Khan <khan@xraylith.wisc.edu>
19211 * c-parse.in (component_decl): Support anonymous struct/union.
19213 * c-parse.y: Regenerate.
19214 * c-parse.c: Likewise.
19215 * objc/objc-parse.y: Likewise.
19216 * objc/objc-parse.c: Likewise.
19217 * c-decl.c (finish_struct): Don't sort the fields.
19218 (field_decl_cmp): Delete unused function.
19220 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19222 * sparc.md (movsf_const_intreg): Revert last constraint change.
19223 (movdf_const_intreg_sp32): Likewise.
19225 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19227 * cse.c: Include hashtab.h instead of splay-tree.h
19228 (struct cse_reg_info): No longer use variant union. Add new
19229 field "regno". All references changed to avoid union.
19230 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19231 (free_cse_reg_info): Remove.
19232 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19233 (get_cse_reg_info): Revamp to use expandable hash tables instead
19234 of splay trees. Initialize new fields in cse_reg_info structure.
19235 (new_basic_block): Similarly.
19237 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19239 * genrecog.c (message_with_line): Prototype.
19240 (validate_pattern): Pass along the set for the dest, not a flag.
19241 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19242 Check for PC/CC0 as sources.
19243 (nodes_identical): Check for children position match before
19244 allowing the combination.
19246 * rtl.c (read_rtx): Track line number across \\\n.
19248 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19250 * mips.h (SPECIAL_MODE_PREDICATES): New.
19251 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19252 (movdi+1, movsi+1): Add output reload constraint.
19253 (casesi_internal): Likewise. Fix commentary.
19254 (return_internal): Use pmode_register_operand.
19256 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19258 * 1750a.md (movstrqi): Add missing output reload constraint.
19259 (call_value): Likewise.
19260 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19261 (jmpfdec): Add missing inout reload constraint.
19262 * elxsi.md (addsi patterns): Add missing output reload constraint.
19263 (move from sp): Use @ alternates.
19264 (call_value): No constraint on output.
19265 * fr30.md (movsi_pop): Add missing output reload constraint.
19266 (movsf_constant_store): Likewise.
19267 (splits): Remove constraints.
19268 (subsi3): Add missing mode.
19269 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19270 (call_value): Likewise.
19271 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19272 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19273 * m32r.md (movsicc_internal): Add output reload constraint.
19274 (movstrsi_internal): Add inout reload constraints.
19275 * m88k.h (reg_names): Don't declare.
19276 (SPECIAL_MODE_PREDICATES): New.
19277 * m88k.md (*): Use register_operand not reg_or_0_operand
19279 * mn10200.h (PREDICATE_CODES): New.
19280 * ns32k.md (ffs pattern): Add output reload constraint.
19281 * pdp11.md (sob pattern): Add inout reload constraint.
19282 * sh.md (splits): Remove constraints.
19283 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19284 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19285 * vax.md (jgequ pattern): Add inout reload constraint.
19287 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19289 * configure.in (djgpp): Revert previous patch.
19290 * configure: Rebuit.
19291 * config/i386/djgpp.h: Revert previous patch.
19293 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19295 * fixinc/inclhack.def: Restore patch lost during last merge of
19296 "no_bogosity" branch.
19297 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19299 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19301 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19302 * fixinc/inclhack.def: Same.
19303 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19305 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19307 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19308 as the base of a PLUS.
19310 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19312 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19313 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19315 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19317 * pa.md (post_stw+1): Use pmode_register_operand.
19318 (dcacheflush, icacheflush): Likewise.
19320 * i386.md (movstricthi_1): Allow r/r.
19322 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19324 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19325 to (not (and (arg0) (arg1))). Similary for and.
19327 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19328 fallthrough to associate code.
19329 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19332 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19333 no bits in common; remove XOR to ROTATE conversion.
19335 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19337 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19339 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19341 * config/c4x/c4x.c (dst_operand): New.
19342 (PREDICATE_CODES): Update.
19343 * config/c4x/c4x.h (dst_operand): Declare it.
19344 * config/c4x/c4x.md: Define mode for each unspec usage.
19345 (move patterns): Use dst_operand predicate instead of src_operand.
19346 (movqi_update, movqf_update): Delete.
19348 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19350 * recog.c (pmode_register_operand): New.
19351 * recog.h: Declare it.
19352 * genrecog.c (pred_codes): Likewise.
19353 (special_mode_pred_table): Likewise.
19354 (validate_pattern): Don't warn no mode for address_operand.
19356 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19357 if the operand is not insn-like.
19359 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19360 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19362 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19364 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19366 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19367 instead of general_operand in a SET_DEST. Use const_double_operand
19368 instead of an explicit test against CONST_DOUBLE.
19369 (movsf_const_lo): Add missing register mode.
19370 (goto_handler_and_restore): Add auxiliary test for Pmode.
19371 (flush): Adjust to use address_operand.
19372 (return_sf_no_fpu): Add missing output constraint.
19374 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19376 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19377 for call return value.
19378 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19380 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19382 * toplev.c (main): Only warn about options for other languages.
19383 * collect2.c (main): Pass -w to sub-gcc.
19385 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19387 * flow.c (propagate_block): Add call-clobbered registers to
19390 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19391 zapping mem_set_list.
19392 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19393 (mark_set_1, mark_used_regs): Likewise.
19395 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19397 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19399 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19401 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19402 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19403 options. Also add a new item "C-only Warning Options" to the
19406 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19408 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19409 from multiple calls.
19411 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19413 * i386.md (call value patterns): Move to the end of the file.
19414 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19416 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19418 * configure.in (djgpp configuration): Define extra_objects..
19419 * configure: Rebuilt.
19420 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19421 (DTORS_SECTION_ASM_OP): Define.
19422 (INIT_SECTION_ASM_OP): Define.
19423 (FINI_SECTION_ASM_OP): Define.
19424 (DATA_SECTION_ASM_OP): Define.
19425 (TEXT_SECTION_ASM_OP): Define.
19426 (EH_FRAME_SECTION_ASM_OP): Define.
19427 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19428 (STARTFILE_SPEC): Add crtbegin.o.
19429 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19430 to here from LINK_COMMAND_SPEC.
19431 (DO_GLOBAL_CTORS_BODY): Define.
19432 (CRTSTUFF_USE_FINI_SECTION): Define
19433 (HAS_INIT_SECTION): Delete.
19435 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19437 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19439 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19441 * pa.h (PREDICATE_CODES): New.
19443 * genrecog.c (validate_pattern): Condense the destination
19444 non-lvalue message.
19446 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19448 * alpha.md (call-1): Supply missing mode for operator.
19449 (*): Add missing output reload constraints. Remove constraints
19450 from define_splits.
19452 * i386.h (SPECIAL_MODE_PREDICATES): New.
19453 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19454 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19455 (addsi_lea_3): Add missing mode for op 3.
19456 (prologue_set_got, prologue_get_pc): Add missing modes.
19457 (*) Add missing output reload constraints.
19459 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19461 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19462 check for member bit-size overflow and use var_size if it occurs.
19463 (layout_record): Use bitsize_int() to define the type size in bits.
19464 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19465 (layout_decl): Likewise when assigning to DECL_SIZE.
19467 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19469 * genrecog.c (validate_pattern): Typo last change. Verify
19470 that output operands have output reloads.
19472 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19474 * genrecog.c (special_mode_pred_table): New.
19475 (NUM_SPECIAL_MODE_PREDS): New.
19476 (find_operand): New.
19477 (validate_pattern): New argument `insn'. Warn for assignment to
19478 any predicate accepting non-lvalues. Conditionaly warn for
19479 match_operand without a mode. Try much harder to match source
19480 and destination modes on a set.
19481 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19483 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19485 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19487 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19489 * combine.c (simplify_logical): Recognize xor pattern that encodes
19492 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19494 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19497 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19499 * ggc-page.c (MAP_FAILED): Provide default.
19501 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19503 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19504 * sparc.h (PREDICATE_CODES): Update.
19506 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19508 * alpha.c (some_ni_operand): New.
19509 * alpha-protos.h: Declare it.
19510 * alpha.h (PREDICATE_CODES): Update.
19511 * alpha.md (sXaddq reload insns): Use some_ni_operand
19512 for SET_DEST instead of some_operand.
19514 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19515 Jim Wilson <wilson@cygnus.com>
19517 * genrecog.c (maybe_both_true_2): Don't compare modes of
19519 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19520 after find_afterward.
19521 (debug_decision_1): Dump next and afterward codes.
19523 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19525 * rtl.c (dump_and_abort): Remove.
19526 (fatal_with_file_and_line): New.
19527 (fatal_expected_char): New.
19528 (read_rtx_lineno, read_rtx_filename): New.
19529 (read_skip_spaces): Track line number.
19530 (read_name): Use fatal_with_file_and_line.
19531 (read_rtx): Use fatal_expected_char. Track line number.
19532 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19534 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19535 if it isn't a CODE_LABEL.
19537 * genattr.c (main): Set read_rtx_filename.
19538 * genattrtab.c (main): Likewise.
19539 * gencodes.c (main): Likewise.
19540 * genconfig.c (main): Likewise.
19541 * genemit.c (main): Likewise.
19542 * genextract.c (main): Likewise.
19543 * genflags.c (main): Likewise.
19544 * genopinit.c (main): Likewise.
19545 * genoutput.c (main): Likewise.
19546 * genpeep.c (main): Likewise.
19548 * genrecog.c (decision_test.u.insn): Add `lineno'.
19549 (pattern_lineno, error_count): New variables.
19550 (message_with_line): New.
19551 (add_to_sequence): Break out checking code to ...
19552 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19553 (merge_insn): Use message_with_line.
19554 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19555 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19557 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19559 * expr.c (store_constructor): Clear union if constructor is empty.
19561 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19563 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19564 Add !endian checks. Change %{...} to %(...).
19566 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19568 * i386.md (*addsi3_cc): Renamed from addcsi3.
19569 (*addsi3_carry): Renamed from addxsi3.
19570 (*subsi3_cc): Renamed from subcsi3.
19571 (*subsi3_carry): Renamed from subxsi3.
19572 (*xorqi_cc_1): Renamed from xorcqi_1.
19573 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19574 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19576 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19578 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19579 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19581 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19583 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19584 climb up the chain of insns.
19586 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19588 * genrecog.c (write_subroutine): Careful for null trees.
19589 (process_tree): Don't elide empty functions.
19591 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19593 * Makefile.in (genrtl.o): Depend on ggc.h.
19594 * configure.in (valloc): Probe for it.
19595 (with-gc): Use ggc-page if valloc present.
19596 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19597 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19598 (ggc_alloc_string): Moved from ggc-page.c.
19599 * ggc-none.c (ggc_alloc_obj): New.
19600 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19601 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19602 (struct globals): Likewise for dev_zero_fd.
19603 (init_ggc): Likewise for it's initialization.
19604 (ggc_allocated_p): Move careful dereference from ...
19605 (ggc_lookup_page_table): ... here. Delete.
19606 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19607 (alloc_anon): Use valloc if no mmap.
19608 (release_pages): Use free if using valloc.
19609 (ggc_alloc_obj): Renamed from alloc_obj.
19610 (ggc_set_mark): Renamed from mark_obj.
19611 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19612 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19613 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19614 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19615 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19616 (ggc_collect): Use fp printing instead of our own rounding.
19617 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19618 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19619 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19620 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19621 (struct ggc_string, struct ggc_any): Delete.
19622 (offsetof): Provide default definition.
19623 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19625 (struct ggc_mem): New, from corpse of ggc_any.
19626 (struct ggc_status): Delete.
19627 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19628 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19629 (n_strings_collected, n_anys_collected): Delete.
19630 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19631 (ggc_alloc_string, ggc_alloc): Delete.
19632 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19633 (ggc_free_string, ggc_free_any): Delete.
19634 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19635 (ggc_compare_addresses, ggc_mark_string): Delete.
19636 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19637 (search_data): Delete.
19638 (struct globals): New.
19639 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19640 (tree_insert, tree_lookup): New.
19641 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19642 (clear_marks, sweep_objs): New.
19643 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19644 (init_ggc): Set allocated_last_gc.
19645 (ggc_push_context): Gut. Use G.context.
19646 (ggc_pop_context): Likewise.
19647 (ggc_pop_context_1): New.
19648 (debug_ggc_tree): New.
19649 (debug_ggc_balance, tally_leaves): New.
19650 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19651 (ggc_mark_string_if_gcable): Remove decl.
19652 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19653 (ggc_mark_rtvec_children): New.
19654 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19655 (ggc_mark_if_gcable): New decl.
19656 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19657 (ggc_alloc_tree, ggc_alloc): Likewise.
19658 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19659 (ggc_alloc_obj): New decl.
19660 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19661 (ggc_alloc_tree, ggc_alloc): Likewise.
19662 (ggc_set_mark): New decl.
19663 * rtl.h (struct rtx_def): Remove gc_mark.
19664 (struct rtvec_def): Likewise.
19665 * tree.h (struct tree_common): Likewise.
19667 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19669 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19670 float_format and thread_file definitions.
19671 * configure: Rebuilt.
19673 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19675 * extend.texi (Function Names): Document types of function names.
19677 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19679 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19680 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19682 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19684 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19686 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19688 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19690 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19692 * collect2.c (main): Do prelimnary link on AIX if rflag.
19694 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19696 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19697 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19699 (__do_global_dtors): similarly for __DTOR_LIST__.
19701 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19702 Diego Novillo <dnovillo@cygnus.com>
19704 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19707 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19709 * fixincl/*: Merged "no_bogosity" branch
19710 * fixincl/fixlib.h: protect against doubly defining t_bool
19711 * fixincl/server.h: protect against doubly defining t_bool
19713 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19715 * genoutput.c: Include toplev.h.
19717 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19719 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19721 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19722 * configure: Regenerate.
19724 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19726 * gcse.c (delete_null_pointer_checks): Returns void.
19728 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19730 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19731 * emit-rtl.c (copy_insn_1): Likewise.
19733 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19735 * config/mips/mips.c (mips_build_va_list): Correct
19736 TREE_CHAIN setting when hard-float.
19737 (mips_va_start): Use corrected setting.
19738 (mips_va_arg): Likewise. Also pass a tree to build of
19739 POSTINCREMENT_EXPR rather than a naked 'int'.
19741 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19743 * ggc.h (ggc_push_context): Fix comment.
19744 (ggc_pop_context): Likewise.
19745 (mark_string_if_gcable): Likewise.
19746 * ggc-common.c (ggc_mark_rtx_children): Use
19747 ggc_mark_string_if_gcable.
19748 * ggc-page.c (ggc_lookup_page_table): New function.
19749 (ggc_allocated_p): Likewise.
19750 (mark_obj): Fix formatting.
19751 (ggc_mark_string_if_gcable): New function.
19752 * ggc-simple.c (ggc_allocated_strings): New variable.
19753 (ggc_strings_used): Likewise.
19754 (ggc_compare_addresses): New function.
19755 (ggc_pop_context): Pop the `any' memory too.
19756 (ggc_mark_string_if_gcable): New function.
19757 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19759 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19761 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19762 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19763 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19766 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19768 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19769 (sched_reg_live_length, sched_reg_basic_block): Delete.
19770 (current_block_num, bb_live_regs, old_live_regs): Delete.
19771 (dead_notes, struct sometimes): Delete.
19772 (sched_note_set, birthing_insn_p): Delete.
19773 (adjust_priority): Gut useless reg lifetime code.
19774 (create_reg_dead_note, attach_deaths): Delete.
19775 (attach_deaths_insn, new_sometimes_live): Delete.
19776 (finish_sometimes_live): Delete.
19777 (find_pre_sched_live, find_post_sched_live): Delete.
19778 (update_reg_usage): Delete.
19779 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19780 (schedule_insns): Delete reg lifetime code.
19781 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19782 (unlink_other_notes): Adjust REG_NOTE commentary.
19783 (reemit_notes): Use REG_SAVE_NOTE.
19784 (schedule_block): Likewise.
19785 (schedule_region): Allocate bitmap of blocks in region. Use
19786 count_or_remove_death_notes. Use update_life_info.
19788 * rtl.h (REG_SAVE_NOTE): New.
19789 * rtl.c (reg_note_name): Update.
19791 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19793 * combine.c (refresh_blocks, need_refresh): New.
19794 (combine_instructions): Allocate refresh_blocks. Invoke
19795 update_life_info if needed.
19796 (distribute_notes): Mark refresh_blocks instead of installing
19798 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19799 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19801 * Makefile.in (recog.o): Depend on basic-block.h.
19803 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19805 * genrecog.c (add_to_sequence): Thinko last change: delete
19806 shadowing allow_const_int variable.
19808 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19810 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19811 __GNUC__ and __GNUC_MINOR__.
19813 * gansidecl.h: Likewise.
19819 * toplev.h: Likewise.
19821 * tree.c: Likewise.
19823 * tree.h: Likewise.
19825 * varray.c: Likewise.
19827 * varray.h: Likewise.
19829 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19831 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19832 use one before a jump table.
19834 * rtl.def (ADDRESS): Change documentation to match reality.
19835 * md.texi: Don't document it.
19836 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19839 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19841 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19843 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19844 known predicate block; default allow_const_int true.
19845 (debug_decision_list): New.
19847 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19849 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19851 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19853 * gcse.c (gcse_main): Avoid global optimizations if we have a
19854 large number of basic blocks and the ratio of edges to blocks
19856 (delete_null_pointer_checks): Likewise.
19858 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19860 * c-common.c (check_format_info): Warn if format string isn't a
19863 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19865 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19866 * configure: regenerate
19868 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19870 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19871 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19872 (peepholes): Re-enable.
19874 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19876 * Makefile.in (flow.o): Depend on TREE_H.
19877 * basic-block.h (REG_SET_EQUAL_P): New.
19878 (XOR_REG_SET): New.
19879 (n_edges): Declare.
19880 (free_regset_vector): Remove declaration.
19881 (flow_delete_insn_chain): Declare.
19882 (enum update_life_extent): New.
19883 (update_life_info, count_or_remove_death_notes): Declare.
19884 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19885 Verify register live at bb->global_live_at_start before adding USE.
19886 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19887 (CLEAN_ALLOCA): New.
19889 (PROP_*): New flags.
19890 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19891 (clear_edges): Zero n_edges.
19892 (make_edge): Increment n_edges.
19893 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19894 (flow_delete_insn_chain): Export.
19895 (delete_block): Decrement n_edges.
19896 (merge_blocks_nomove): Likewise.
19897 (life_analysis): Give life_analysis_1 PROP flags.
19898 (verify_wide_reg_1, verify_wide_reg): New.
19899 (verify_local_live_at_start): New.
19900 (update_life_info): Rewrite to call into propogate_block.
19902 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19903 always mark stack pointer. Conditionally mark PIC register.
19904 After reload, mark call-saved registers, return regsiters.
19905 (life_analysis_1): Accept PROP flags not remove_dead_code.
19906 Call mark_regs_live_at_end before zeroing regs_ever_live.
19907 Use calculate_global_regs_live. Copy global_live_at_end before
19908 calling final propagate_block. Zero reg_next_use on exit.
19909 (calculate_global_regs_live): New.
19910 (allocate_bb_life_data): Don't allocate bb->local_set.
19911 (init_regset_vector, free_regset_vector): Remove.
19912 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19913 Test flags before every operation. Warn if prologue/epilogue insn
19914 would have been deleted.
19915 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19916 Use alloc_EXPR_LIST.
19917 (mark_used_regs): Accept and use FLAGS, not FINAL.
19918 Remove special handling for RETURN.
19919 (try_pre_increment): Use alloc_EXPR_LIST.
19920 (dump_flow_info): Dump n_edges.
19921 (unlink_insn_chain, split_hard_reg_notes): Remove.
19922 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19923 (find_insn_with_note, new_insn_dead_notes): Remove.
19924 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19925 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19926 (replace_insns): Remove.
19927 (count_or_remove_death_notes): New.
19928 (verify_flow_info): Abort on error after all checks.
19929 (remove_edge): Decrement n_edges.
19930 (remove_fake_edges): Tweak format.
19931 * haifa-sched.c (schedule_insns): Use split_all_insns.
19932 * output.h (update_life_info): Remove declaration.
19933 * recog.c (split_all_insns): From the corpse of split_block_insns,
19934 do the whole function block by block. Use update_life_info.
19935 (recog_last_allowed_insn): New.
19936 (recog_next_insn): Mind it.
19937 (peephole2_optimize): Set it. Walk backwards through blocks.
19938 Use update_life_info.
19939 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19940 (split_all_insns): Declare.
19941 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19942 Use split_all_insns.
19944 * i386.md (or -1 peep2s): Disable.
19946 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19948 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19949 a single pattern. Scrap the 'd' versions as unnecessary.
19951 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19952 tablejump_mips162,tablejump_internal4): The operands to a
19953 label_ref must be VOIDmode.
19955 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19957 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19959 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19961 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19963 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19965 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19966 cache every function if ggc_p.
19968 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19970 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19971 instead of copy_rtx. Accept sequences that contain asm statements.
19972 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19973 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19974 orig_asm_operands_vector, copy_asm_operands_vector,
19975 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19977 * rtl.h (copy_insn, copy_insn_1): Declare.
19979 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19981 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19983 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19984 arguments to `current_file_function_operand'.
19986 * genrecog.c: Include hard-reg-set.h and resource.h in the
19987 generated output file.
19989 * real.c: Include tm_p.h.
19991 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19993 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19996 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19998 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19999 before the fctiwz insn.
20001 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20002 Mark Mitchell <mark@codesourcery.com>
20004 * tree.c (make_lang_type_fn): New funtion pointer.
20005 (make_lang_type): Call it.
20006 * tree.h (make_lang_type): Declare.
20007 (make_lang_type_fn): Likewise.
20008 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20010 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20012 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20013 make sure that HIGH instructions are copied into BASE_REGS.
20015 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20017 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20019 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20021 * c-decl.c (finish_struct): Use simpler method of
20022 removing elements of a singly-linked list.
20024 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20026 * alpha.md (peephole2's): Comment out peephole2's that generate
20029 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20031 * genrecog.c (add_to_sequence): Disable mode check for
20034 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20036 * ggc-simple.c (init_ggc): Set empty_string.
20038 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20040 * configure.in: Detect mmap. Add --with-gc=foo to select
20041 garbage collector; default to page if mmap available.
20042 * Makefile.in (GGC): Substitute.
20044 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20046 * c-decl.c (ggc_p): Enable.
20048 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20050 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20052 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20054 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20055 string for little-endian-data.
20057 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20059 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20060 case somebody tries to compile --enable-checking code with gcc
20063 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20065 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20068 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20070 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20071 * jump.c (jump_optimize_1): Document why.
20073 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20075 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20076 pointers and casts for `int_handler' and `quit_handler'.
20078 * flow.c (verify_flow_info, split_hard_reg_notes,
20079 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20080 remove_edge, remove_fake_successors): Add static prototypes.
20081 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20082 (mark_set_1): Initialize variable `regno'.
20083 (unlink_insn_chain): Likewise for variable `curr'.
20084 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20086 * loop.c (strength_reduce): Initialize variable
20087 `unrolled_insn_copies'.
20088 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20089 prototypes. Change these functions to take const PTR parameters
20090 to avoid prototype conflict when used as the comparson argument
20092 (check_dbra_loop): Initialize variable `comparison_val'.
20094 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20095 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20096 (find_valid_class): Initialize variable `best_class'.
20097 (find_reloads): Call memcpy, not bcopy.
20099 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20100 (hard_reg_use_compare): Don't needlessly cast away const.
20101 (reload_reg_class_lower): Likewise.
20102 (choose_reload_regs): Initialize variable `regno'.
20104 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20106 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20108 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20110 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20111 ({,d}discard): Add forward declarations. Declare parameter as
20113 (main_without_main): Explicitly declare return type to be int.
20114 (memcpy): Properly declare.
20116 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20117 building the trampoline support, declare malloc, free, and
20119 (__clear_cache): Mark arguments as potentially unused.
20121 * frame.c (toplevel): If inhibit_libc is defined, declare
20124 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20126 * flow.c (make_edge): Accept an optional 2D bitmap in which
20127 to cache edge existence. Update all callers.
20128 (make_label_edge, make_eh_edge): Pass through the edge cache.
20129 (make_edges): Provide the cache.
20131 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20133 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20135 (local_mbtowc): Change the type of variable `i' from int to size_t.
20137 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20138 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20140 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20142 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20143 after other includes that define the appropriate types. Include
20144 tm_p.h for getting user prototypes.
20145 * ggc-callbacks.c (toplevel): Ditto.
20146 * ggc-none.c (toplevel): Ditto.
20147 * gcc-page.c (toplevel): Ditto.
20148 * ggc-simple.c (toplevel): Ditto.
20150 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20151 Jonathan Larmour <jlarmour@cygnus.co.uk>
20153 * config/mips/mips.c (mips_move_2words): Split doubles if
20154 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20156 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20158 * genrecog.c (struct decision_test): New.
20159 (struct decision): Remove test-related members, sort the rest by size.
20160 (IS_SPLIT): Simplify.
20161 (new_decision, new_decision_test): New.
20162 (add_to_sequence): Use them. No special handling for args of
20164 (maybe_both_true): Renamed from not_both_true; return sense changed.
20165 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20166 of maybe_both_true and adjusted for decision_test.
20167 (position_merit): Remove.
20168 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20169 (merge_accept_insn): New, broken out of merge_trees.
20170 (merge_trees): Use them. No special case for c_test; no node
20171 splitting; use test type instead of position_merit.
20172 (factor_tests): New.
20173 (simplify_tests): New.
20174 (break_out_subroutines): Don't write code now.
20175 (find_afterward): New.
20176 (write_afterward, write_switch, write_cond): New.
20177 (write_action, is_unconditional): New.
20178 (write_node): New. Use them.
20179 (write_tree_1): Rewrite. Use the new functions above.
20180 (write_tree): Remove afterward processing.
20181 (write_subroutine): Simplify function variant emission.
20182 (write_subroutines): New.
20183 (same_codes, clear_codes): Remove.
20184 (same_modes, clear_modes): Remove.
20185 (write_header): New, broken out of main.
20186 (make_insn_sequence): Use new_decision and new_decision_test.
20187 (process_tree): New, broken out of main.
20188 (main): Adjust for merge_trees interface change.
20189 Don't #define operands in the output file.
20190 (record_insn_name): New, broken out of make_insn_sequence.
20191 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20192 (debug_decision): New.
20194 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20196 * resource.c (find_free_register): Mark class_str argument const.
20197 * resource.h: Update prototype to match.
20199 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20200 * i386.md: Give all anonymous insns names.
20202 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20204 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20207 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20209 * toplev.c (dbr_sched_time): Unconditional.
20210 (peephole2_time): New.
20211 (compile_file): Add pass numbers to all of the dump file suffixes.
20212 Dump peephole2_time. Don't dump times for non-applicable passes.
20213 (rest_of_compilation): Add pass numbers to dump file suffixes.
20214 Conditionalize calls to the scheduler.
20215 * invoke.texi: Update.
20217 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20219 * flow.c (make_edges): Fix insn iteration.
20220 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20221 (find_basic_blocks_1): Fix spelling mistake.
20223 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20225 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20226 always have side-effects. Use memset not bzero.
20227 (make_node): Likewise.
20229 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20231 * stmt.c (expand_anon_union_decl): When any of the elements of the
20232 union is addressable, so is the entire union.
20234 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20236 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20238 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20239 * bitmap.c (bitmap_operation): Return true iff TO changed.
20240 (bitmap_equal_p): New.
20241 (bitmap_bit_p): Tidy arithmetic.
20242 (debug_bitmap_file): Likewise.
20244 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20246 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20247 before cse2 instead of after.
20249 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20251 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20254 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20256 * cppinit.c (is_idchar initializer): Loosen tests to accept
20259 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20261 * mips.md: Define conditional move patterns for floating point
20262 operands and DI mode conditions.
20264 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20266 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20267 always have side-effects.
20269 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20271 * mn10200.c (asm_file_start): Fix typo.
20273 * cppinit.c (is_idchar initializer): Tighten tests for when
20274 to put the table into initialized memory.
20276 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20277 not an array of rtunion.
20278 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20279 * gcc-simple (ggc_free_rtvec): Similarly.
20281 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20284 * mbchar.h: Add missing #endif.
20286 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20287 (FPBIT, DPBIT): Define.
20289 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20291 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20293 * profile.c (instrument_arcs, output_gcov_string,
20294 tablejump_entry_p): Add static prototypes.
20295 (output_gcov_string): Constify a char*.
20297 * regmove.c (replacement_quality, fixup_match_2): Add static
20300 * resource.h (reg_dead_p): Add extern prototype.
20302 * rtl.c (trim_filename): Add static prototype.
20304 * scan-decls.c (skip_to_closing_brace): Likewise.
20306 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20307 (expand_end_case): Initialize variable `range'.
20308 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20310 * varasm.c (asm_emit_uninitialised): Add static prototype.
20311 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20314 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20316 * cpplib.c (if_directive_nameo): Add static prototype.
20318 * cse.c (cse_insn): Remove unused variable `p'.
20320 * except.c (create_rethrow_ref, push_entry,
20321 receive_exception_label, new_eh_region_entry, find_func_region,
20322 clear_function_eh_region, process_nestinfo): Add static prototypes.
20323 (get_reg_for_handler): Hide definition.
20324 (process_nestinfo): Initialize variable `extra_handlers'.
20326 * expr.h (expand_builtin_longjmp): Add extern prototype.
20328 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20330 * function.c (prepare_function_start): Likewise.
20331 (pop_function_context_from): Mark parameter `context' with
20333 (push_temp_slots_for_block, flush_addressof): Hide definition.
20335 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20336 solve_program_flow_graph, calculate_branch_probs,
20337 function_summary, main, fancy_abort): Add prototypes.
20339 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20340 (add_hash): Constify a char*.
20342 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20343 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20344 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20346 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20348 * lists.c (free_list, zap_lists): Likewise.
20350 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20352 * alias.c (nonlocal_reference_p): Add static prototype.
20354 * bitmap.c (bitmap_element_allocate): Prototype args in function
20357 * builtins.c (stabilize_va_list): Add static prototype.
20358 (expand_builtin_va_arg): Constify a char*.
20360 * c-lex.c (getch, put_back, extend_token_buffer_to,
20361 read_line_number, token_getch, token_put_back): Add static
20364 * c-parse.gperf (hash, is_reserved_word): Likewise.
20366 * cccp.c (is_dir_separator): Likewise.
20368 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20370 * graph.h: New file to prototype functions exported by graph.c.
20372 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20374 * graph.c: Include graph.h.
20376 * toplev.c: Likewise. Remove redundant prototypes.
20378 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20380 * invoke.texi: Removed duplicated description for -Q.
20382 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20384 * extend.texi: Grammar fix in __extension__ text.
20386 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20388 * md.texi (define_peephole2): New section.
20390 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20392 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20393 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20396 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20398 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20400 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20402 * i386.md (ffs expander): Emit Pentium friendly code for
20405 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20407 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20409 (build1): Likewise.
20411 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20413 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20415 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20417 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20418 register is in use.
20420 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20422 * md.texi (No Constraints): Delete section.
20423 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20424 * final.c (final_scan_insn): We always have register constraints.
20425 * genattrtab.c: Don't include "insn-config.h".
20426 (write_attr_case): We always have register constraints.
20427 * genconfig.c (register_constraint_flag): Delete.
20428 (walk_insn_part): Don't check whether we have register constraints.
20429 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20430 * genoutput.c (have_constraints): Delete.
20431 (main): Don't set it.
20432 (output_operand_data): We always have constraints.
20433 (scan_operands): Likewise.
20434 (compare_operands): Likewise.
20435 * local-alloc.c (block_alloc): We always have constraints.
20436 (requires_inout): Always compile this function.
20437 * recog.c (extract_insn): We always have constraints.
20438 (constrain_operands, reg_fits_class_p): Always compile these
20440 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20442 (struct insn_operand_data): Likewise.
20443 * regclass.c (regclass): We always have constraints.
20444 (record_reg_classes, copy_cost, record_address_regs,
20445 auto_inc_dec_reg_p): Always compile these functions.
20446 * regmove.c (regmove_optimize): We always have constraints.
20447 * reload.c (find_reloads): Likewise.
20448 * reload1.c (reload): Likewise.
20449 (reload_cse_simplify_operands): Likewise.
20450 * i860.c (output_delay_insn): Likewise.
20452 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20454 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20456 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20458 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20459 for the va_list record.
20461 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20463 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20466 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20468 * alias.c: Include insn-flags.h.
20469 * Makefile.in (alias.o): Update.
20471 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20473 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20474 to LTU and GEU. Handle more cases using sbb.
20476 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20478 * i386.md (truncatexfdf splitters): Do not use subreg.
20479 (fop XFmode patterns): Fix mode in operand testing.
20481 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20483 * jump.c (jump_optimize_1): Amend last change to test only the
20484 form of the operand, not the insn.
20486 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20487 not register_operand to determine when B may need preloading.
20489 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20491 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20492 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20493 (call-value patterns): Move to end of file.
20494 (*): Remove mode from label_ref in (pc) context.
20495 (movstrqi): Use memory not general_operand for BLKmode operands.
20496 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20497 to register_operand operands.
20498 (peep2 patterns): Convert from commented-out peephole patterns.
20500 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20502 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20503 to BUILT_IN_INIT_DWARF_REG_SIZES.
20504 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20505 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20506 expand_builtin_init_dwarf_reg_sizes.
20507 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20508 with __builtin_init_dwarf_reg_size_table.
20509 * dwarf2out.c (struct reg_size_range): Delete.
20510 (expand_builtin_init_dwarf_reg_sizes): New function.
20511 (expand_builtin_dwarf_reg_size): Delete.
20512 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20513 (expand_builtin_dwarf_reg_size): Don't declare.
20514 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20515 (dwarf_reg_size_table): New.
20516 (init_reg_size_table): New function.
20517 (copy_reg): Use dwarf_reg_size_table.
20518 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20521 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20523 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20524 Correctly build argument list to constructor and destructor functions.
20526 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20528 * c-tree.h (warn_float_equal): Declare.
20529 * c-decl.c (warn_float_equal): Define.
20530 (c_decode_option): Recognize -W[no-]float-equal.
20531 * c-typeck.c (build_binary_op): Conditionally warn
20532 about equality tests of floating point types.
20533 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20534 * invoke.texi: Add docs for -Wfloat-equal warning.
20536 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20538 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20539 generating RTL directly.
20540 * mips.h (INIT_TARGET_OPTABS): Likewise.
20541 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20543 * expr.h (init_mov_optab): Delete declaration
20545 * h8300.c (WORD_REG_USED): Update to avoid useless register
20546 saves in interrupt functions and functions which never return.
20548 * cse.c (struct set): Delete inner_dest_loc field.
20549 (cse_insn): Remove assignments to inner_dest_loc field.
20551 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20553 * ggc-page.c: Don't include <unistd.h> etc taken care of
20554 by "system.h". Include <sys/mman.h> afterward.
20556 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20558 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20561 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20563 * xcoffout.c (xcoffout_declare_function): Add documentation.
20564 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20565 TARGET_64BIT. Compare constant to -1, not bit pattern.
20566 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20567 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20570 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20572 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20573 origin_die is NULL.
20574 (gen_inlined_enumeration_type_die): Do not abort if the type has
20575 not been writeen out.
20576 (gen_inlined_structure_type_die): Do not abort if the type has
20577 not been writeen out.
20578 (gen_inlined_union_type_die): Do not abort if the type has
20579 not been writeen out.
20580 (gen_tagged_type_instantiation_die): Do not abort if the type
20581 has not been written out.
20583 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20585 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20587 * reg-stack.c (straighten_stack): Copy hard reg set with
20590 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20592 * builtins.c (stabilize_va_list): Stabilize array type va_list
20593 to a pointer type, not the base record type.
20594 (expand_builtin_va_copy): Dereference the pointers explicitly;
20595 use the correct size for the copy.
20597 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20598 (rs6000_va_arg): Likewise.
20600 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20602 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20604 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20606 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20608 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20610 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20612 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20613 (init_ggc): Use it instead of a constant.
20614 (ggc_collect): Bound allocated_last_gc by it.
20616 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20618 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20621 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20623 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20624 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20625 * configure: Regen.
20626 * config/mips/openbsd.h: New, OpenBSD little endian target.
20627 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20628 * config/mips/xm-openbsd.h: New, OpenBSD host.
20630 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20632 * config/m68k/m68k.c (output_function_prologue,
20633 output_function_epilogue): Use
20634 current_function_uses_pic_offset_table instead of regs_ever_live
20635 to decide whether to save/restore pic register.
20636 (legitimize_pic_address): Don't modify regs_ever_live any more.
20638 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20640 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20641 * stor-layout.c (variable_size): Don't add sizes to the pending
20642 sizes list if x_dont_save_pending_sizes_p is set.
20644 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20646 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20647 for symbolic_operand().
20648 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20650 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20652 * combine.c (gen_rtx_combine): Add missing call to va_end().
20654 * final.c (asm_fprintf): Likewise.
20656 * genattrtab.c (attr_rtx): Likewise.
20658 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20660 * cse.c: Update comments.
20661 (cse_insn): When converting a conditional/computed jump into
20662 an unconditional jump, always make sure a BARRIER immediately
20663 follows the converted jump. Do not delete unreachable code.
20664 (cse_basic_block): Do not delete unreachable code.
20665 * toplev.c (rest_of_compilation): Move call to
20666 delete_trivially_dead_insns after the conditional call to
20669 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20671 * collect2.c (make_temp_file): Don't prototype.
20673 * gcc.c (make_temp_file): Likewise.
20675 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20677 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20679 * varasm.c (asm_emit_uninitialised): New function: Generate
20680 the assembler statements necessary to declare an uninitialised
20682 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20684 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20685 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20687 (assemble_variable): Use asm_emit_uninitialised to emit an
20688 uninitialised variable.
20690 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20692 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20693 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20694 <geoffk@cygnus.com>.
20696 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20698 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20699 * c-common.h (builtin_function): Don't declare.
20701 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20703 (pushdecl): Likewise.
20704 (finish_decl): Likewise.
20705 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20706 int. All callers changed.
20707 Set the builtin's DECL_BUILT_IN_CLASS.
20708 * tree.h (enum built_in_class): New.
20709 (enum built_in_function): Delete NOT_BUILT_IN.
20710 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20712 (DECL_SET_FUNCTION_CODE): Likewise.
20713 (DECL_BUILT_IN_CLASS): New macro.
20714 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20715 (struct tree_decl): Split builtin function code field into a
20717 (builtin_function): Declare.
20719 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20721 * optabs.c (init_traps): Fix typo in last change.
20723 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20725 * toplev.c (rest_of_decl_compilation): Update comment.
20727 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20729 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20730 in .sbss if appropriate.
20731 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20732 (SBSS_SECTION_ASM_OP): New macro.
20733 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20734 (EXTRA_SECTIONS): Add in_sbss.
20735 * config/mips/mips.h: Prototype sbss_section.
20737 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20739 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20742 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20744 * optabs.c (init_traps): Register trap_rtx as a GC root.
20746 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20748 * config/mips/mips.c (function_arg_pass_by_reference): Define
20749 unconditionally, since it's called unconditionally.
20751 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20753 * toplev.c (documented_lang_options): Add -fshort-wchar.
20754 * c-decl.c (c_decode_option): Likewise.
20755 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20757 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20758 * gcc.c (default_compilers): If -fshort-wchar,
20759 override __WCHAR_TYPE__.
20760 * tm.texi (C Dialect Options): Add -fshort-wchar.
20762 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20763 symbol for a variable.
20765 * cpplib.h (CPP_PREPROCESSED): New macro.
20766 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20767 we're seeing this input for a second time.
20769 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20771 * emit-rtl.c (init_emit_once): Initialize modes first.
20773 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20775 * config/i386/i386.c (pic_label_name): Change to char pointer.
20776 (global_offset_table): New variable.
20777 (load_pic_register): Fill global_offset_table if it hasn't
20778 already been done. Allocate pic_label_name dynamically.
20779 * ggc.h (empty_string): New variable.
20780 * ggc-simple.c (empty_string): Likewise.
20781 (init_ggc): Allocate empty_string and add as root.
20782 * stmt.c (digit_strings): New variable.
20783 (init_stmt): Add last_block_end_note as root. Allocate and
20784 initialize digit_strings.
20785 (expand_asm_operands): Use empty_string instead of string
20786 constant. Use digit_strings instead of string constants.
20787 * profile.c (init_arc_profiler): Allocate string with
20788 ggc_alloc_string instead of xmalloc.
20789 (output_func_start_profiler): Likewise.
20790 * c-typeck.c (digest_init): Check if init is error_mark_node.
20792 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20793 Richard Henderson <rth@cygnus.com>
20795 * ggc-page.c: New file.
20796 * Makefile.in (ggc-page.o): New.
20798 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20800 * invoke.texi: Document -fdelete-null-pointer-checks
20801 * toplev.c (flag_delete_null_pointer_checks): New.
20802 (f_options): Add entry for -fdelete-null-pointer-checks.
20803 (rest_of_compilation): Conditionalize null pointer check
20804 elimination on flag_delete_null_pointer_checks.
20805 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20807 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20809 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20810 copyright notice and special exception to GPL.
20812 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20814 * abi64.h (mips_function_value): Add prototype arguments.
20816 * mips-protos.h: New file with mips prototypes.
20818 * mips.c: Include "tm_p.h".
20819 (mktemp, lookup_name): Add prototype arguments.
20820 (extern_list, string_constant, mips_fill_delay_slot,
20821 mips_output_external, mips_output_external_libcall,
20822 mips_output_filename, mips_declare_object, function_prologue,
20823 mips_expand_prologue, function_epilogue, mips16_constant,
20824 build_mips16_function_stub, mips_output_conditional_branch):
20826 (mips_va_start): Remove unused variable `u'.
20827 (mips_va_arg): Cast value to unsigned when comparing against one.
20829 (save_restore_insns, mips_expand_prologue): Add missing arg in
20830 call to `large_int'.
20832 * mips.h: Move prototypes to mips-protos.h.
20833 (data_section, memory_address_p, rdata_section,
20834 readonly_data_section, simple_epilogue_p, text_section): Delete
20835 prototypes delcared elsewhere.
20836 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20838 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20840 * mips.md: Delete extra args in call to `mips_move_2words'.
20842 * xm-iris6.h (alloca): Add prototype argument.
20844 * genpeep.c: Include "tm_p.h" in generated output file.
20846 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20848 * basic-block.h (find_edge_index): Change parameters.
20849 * flow.c (verify_edge_list): Pass basic_block parameters to
20850 find_edge_index instead of integers.
20852 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20854 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20857 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20859 * gcc.1: Fix a formatting error.
20861 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20863 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20864 i786, mn10200, mn10300, pdp11, v850.
20866 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20868 * libgcc2.c (num_digits): Add prototype with
20869 __attribute__((const)).
20870 (__terminate): Add prototype.
20872 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20874 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20876 * alpha/alpha.c (print_operand): Fix type of `code'.
20877 (alpha_output_filename): Constify.
20878 * alpha/alpha.h: Move all function declarations ...
20879 * alpha/alpha-protos.h: ... here. New file.
20880 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20881 (SECTION_FUNCTION_TEMPLATE): Likewise.
20883 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20885 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20886 * expr.c (expand_expr): Likewise.
20887 (do_jump): Likewise.
20888 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20889 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20891 (enum can_compare_purpose): New.
20892 (can_compare_p): Adjust prototype.
20893 (prepare_cmp_insn, prepare_operand): Declare.
20894 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20895 * optabs.c (cmp_available_p): Deleted.
20896 (expand_abs): Pass ccp_jump to can_compare_p.
20897 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20898 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20899 Call can_compare_p rather than cmp_available_p.
20900 (prepare_operand): No longer static.
20901 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20902 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20903 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20904 sequence to use emit_cmp_and_jump_insns.
20905 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20907 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20909 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20910 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20911 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20912 (plus (reg) (const_int 0))
20913 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20915 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20917 * rs6000.c (expand_block_move): DImode loads and stores require
20918 word-aligned displacements. Increment address registers with
20919 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20921 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20923 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20924 is no name for the base type, rather than segfault. If we are
20925 writing out a complex integer type, use DW_ATE_lo_user.
20927 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20928 in one word or less (complex char, complex short, or on 64 bit
20929 systems complex float) to/from a hard register, copy it through
20930 memory instead of dying in gen_{real,imag}part. If we have a
20931 short complex type, prevent inlining since it allocates stack
20934 * tree.c (build_complex_type): If we are writing dwarf2 output,
20935 generate a name for complex integer types.
20937 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20939 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20940 * flow.c (remove_edge): Remove extra whitespace.
20941 (remove_fake_edges): Fix comment.
20942 (add_noreturn_fake_exit_edges): Use the correct name.
20944 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20946 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20947 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20948 (clean): Depend on INTL_CLEAN.
20949 (maintainer-clean): Adjust.
20951 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20953 * configure.in (AC_PREREQ): Bump to 2.13.
20954 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20956 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20958 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20960 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20962 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20963 (HAVE_STRINGIZE): Define.
20965 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20967 * c-parse.in: save and restore warn_pointer_arith on __extension__
20968 along with pedantic.
20969 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20970 Set the type of extension to itype rather than $<itype>1 kludge.
20971 * extend.texi (Alternate Keywords): Adjust documentation.
20972 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20974 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20976 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20977 most assembler templates.
20979 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20980 FP loads and stores.
20981 (following_call): Always return zero for the PA8000.
20982 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20983 FP loads and stores.
20984 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20986 * pa.h (BRANCH_COST): Define.
20988 * pa.md (return, return_internal): Use bve for PA2.0.
20990 * pa.md (fused multiply): Add variants which reduce height for the
20991 fused multiply, but which still generate 2 insns.
20992 (fnegabs): Similarly.
20994 * pa.md (subsi3): Turn into an expander. Create two anonymous
20995 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20996 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20998 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21000 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21002 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21003 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21005 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21008 * flow.c (record_active_eh_regions): Terminate loop after finding
21009 the last insn in the last basic block.
21011 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21013 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21015 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21017 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21019 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21021 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21022 splitting to not use output template.
21024 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21026 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21027 * config/c4x/c4x.c (c4x_va_start): New function.
21029 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21031 * genrecog.c (not_both_true): Handle correctly cases when called for
21032 tests with different positions in the insn.
21034 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21036 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21038 * system.h (HOST_PTR_PRINTF): ... to here.
21040 * mips-tfile.c: Don't include machmode.h.
21042 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21043 (mips-tfile.o): Don't depend on machmode.h.
21045 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21047 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21048 avoid conflicts with typedef struct `region' at the top level scope.
21050 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21052 * basic-block.h (basic_block): Add eh_beg, eh_end.
21053 * flow.c (entry_exit_blocks): Update.
21054 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21055 Call new functions.
21056 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21057 lists.c functions to allocate insn lists.
21058 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21060 (make_eh_edge): ... here. New.
21061 (move_stray_eh_region_notes): New.
21062 (record_active_eh_regions): New.
21063 (delete_unreachable_blocks): Split out block merging ...
21064 (try_merge_blocks): ... here. New.
21065 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21066 Dump debugging data.
21067 (merge_blocks_move_successor_nojumps): Likewise.
21068 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21070 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21072 * extend.texi (Bound member functions): Document unbound pmf
21075 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21077 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21078 has the EXIT_BLOCK as a dest.
21080 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21082 * flow.c (remove_edge): New function to remove an edge from the
21084 (remove_fake_successors): New function to remove fake successor edges.
21085 (remove_fake_edges): New function to remove all fake edges from the
21087 (add_fake_exit_edges): New function to add fake edges from all blocks
21088 with no successors to the exit block.
21089 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21090 prototypes for new functions.
21092 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21094 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21095 Use Pmode to determine whether to output .dword or .word.
21097 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21099 * tree.c (built_in_filename): New variable.
21100 (BUILT_IN_FILENAME): New macro.
21101 (init_tree_codes): Allocate built_in_filename.
21102 (make_node): Use built_in_filename instead of string constant.
21104 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21106 * configure.in: Add fr30 target.
21107 * configure: Regenerate.
21108 * config/fr30: New directory.
21109 * config/fr30/crti.asm: New file.
21110 * config/fr30/fr30.c: New file.
21111 * config/fr30/crtn.asm: New file.
21112 * config/fr30/fr30.h: New file.
21113 * config/fr30/fr30.md: New file.
21114 * config/fr30/lib1funcs.asm: New file.
21115 * config/fr30/t-fr30: New file.
21116 * config/fr30/xm-fr30.h: New file.
21118 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21120 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21121 BARRIER at the end of the successor, not the BARRIER before
21124 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21126 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21128 * stmt.c (any_pending_cleanups): Don't crash when
21129 current_function->stmt is unset.
21131 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21133 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21134 other initializations that may use it for relative offsets.
21136 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21138 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21139 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21140 * config/i386/sol2dbg.h: Removed.
21141 * config/i386/sol2gas.h: New file, to enable gas work-around.
21142 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21143 Don't use sol2dbg.h.
21144 * configure: Rebuilt.
21146 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21148 * invoke.texi (-fthis-is-variable): Remove documentation.
21150 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21152 * basic-block.h (compute_bb_for_insn): Declare.
21153 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21154 to use; set size of basic_block_for_insn directly.
21155 (find_basic_blocks): Update.
21157 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21159 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21161 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21163 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21164 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21166 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21168 * c-decl.c (c_decode_option): Extend comment.
21170 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21172 * toplev.c (progname): Make 'const char *'
21173 (flag_print_mem): Move out of main.
21174 (version_flag): Move out of main.
21175 (filename): Move out of main.
21176 (debug_args): Remove g prefix from options.
21177 (documented_lang_options): Remove cpplib specific options.
21178 (display_help): Add g prefix to debug options.
21179 (check_lang_option): Delete this function.
21180 (decode_d_option): New function: Decode -d... option.
21181 (decode_f_option): New function: Decode -f... option.
21182 (decode_W_option): New function: Decode -W... option.
21183 (decode_g_option): New function: Decode -g... option.
21184 (independent_decode_option): New function: Decode a language
21185 independent command line option.
21186 (main): Invoke lang_decode_option and then
21187 independent_decode_option on each command line option in
21190 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21192 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21193 * fold-const.c (fold_range_test): Do not try to fold the range
21194 test if the rhs or lhs has side effects.
21196 * basic-block.h (compute_flow_dominators): Declare.
21198 * gcse.c (alloc_code_hoist_mem): New function.
21199 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21200 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21201 (hoist_code, one_code_hoisting_pass): Likewise.
21202 (gcse_main): If optimizing for size, then hoist expressions
21203 computed in multiple dominated basic blocks.
21205 * gcse.c (invalid_nonnull_info): New function.
21206 (delete_null_pointer_checks): Likewise.
21207 * rtl.h (delete_null_pointer_checks): Declare.
21208 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21210 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21211 (merge-blocks_move_successor_nojumps): Likewise.
21212 (merge_blocks): Allow merging of some blocks, even if it requires
21213 physical movement of the blocks, but not if it requires new jumps.
21215 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21216 Callers and prototype changed.
21217 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21219 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21221 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21222 -YP when both -p and -pg are present. From i386/sol2.h.
21224 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21226 * Makefile.in (distclean): Delete tm_p.h.
21227 * configure.in: Create a new file, "tm_p.h", from a list in
21228 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21229 "i386/i386-protos.h".
21231 * alias.c: Include "tm_p.h".
21232 * c-typeck.c: Likewise.
21233 * calls.c: Likewise.
21235 * emit-rtl.c: Likewise.
21236 * explow.c: Likewise.
21237 * expmed.c: Likewise.
21238 * expr.c: Likewise.
21239 * final.c: Likewise.
21240 * flow.c: Likewise.
21241 * fold-const.c: Likewise.
21242 * function.c: Likewise.
21243 * gcse.c: Likewise.
21244 * global.c: Likewise.
21245 * haifa-sched.c: Likewise.
21246 * integrate.c: Likewise.
21247 * jump.c: Likewise.
21248 * local-alloc.c: Likewise.
21249 * loop.c: Likewise.
21250 * optabs.c: Likewise.
21251 * recog.c: Likewise.
21252 * reg-stack.c: Likewise.
21253 * regclass.c: Likewise.
21254 * regmove.c: Likewise.
21255 * reload.c: Likewise.
21256 * reload1.c: Likewise.
21257 * reorg.c: Likewise.
21258 * resource.c: Likewise.
21259 * stmt.c: Likewise.
21260 * stor-layout.c: Likewise.
21261 * toplev.c: Likewise.
21262 * tree.c: Likewise.
21263 * unroll.c: Likewise.
21264 * genattrtab.c (main): Make generated file include "tm_p.h".
21265 * genemit.c (main): Likewise.
21266 * genoutput.c (main): Likewise.
21267 * genrecog.c (main): Likewise.
21269 * i386.h: Delete all prototypes.
21270 * i386.c: Include "tm_p.h".
21271 (ix86_attr_length_default): Call constant_call_address_operand
21272 with correct number of arguments.
21273 * i386-protos.h: New file.
21274 * i386.md (unnamed patterns): Call constant_call_address_operand
21275 with correct number of arguments.
21276 (exception_receiver): Call load_pic_register with correct number
21279 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21281 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21283 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21285 * rtl.h (insns_safe_to_move_p): New function.
21286 * loop.c (find_and_verify_loops): Use it.
21287 * rtlanal.c (insns_safe_to_move_p): Define it.
21289 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21291 * c-pragma.c: Include ggc.h.
21292 * Makefile.in (c-pragma.o): Update.
21294 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21296 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21297 (LIB_SPEC): Likewise.
21298 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21299 Reindent -YP/-p/-pg.
21300 Copied from config/sparc/sol2.h.
21302 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21304 * c-pragma.c (mark_align_stack): New.
21305 (init_pragma): New.
21306 * c-pragma.h (init_pragma): Declare it.
21307 * c-lex.c (init_parse): Call it.
21309 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21311 * configure.in: Pick up thread library on Solaris/x86 just
21312 like on Solaris/sparc.
21313 * configure: Rebuilt.
21315 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21317 * rtl.h (global_rtx_index): New enum.
21318 (global_rtl): Change to array of rtx.
21319 (pc_rtx, cc0_rtx): Redefine accordingly.
21320 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21321 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21322 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21323 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21324 (const_int_rtx): Change to array of rtx.
21325 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21327 * emit-rtl.c (global_rtl): Change to array of rtx.
21328 (const_int_rtx): Change to aray of rtx.
21329 (gen_rtx_CONST_INT): Redefine accordingly.
21330 (init_emit_once): Allocate and initialize global_rtl. Likewise
21331 for const_int_rtx. Add both as GC roots.
21332 * genattrtab.c (global_rtl): Update declaration.
21334 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21336 * Makefile (USER_H): Add iso646.h back.
21338 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21340 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21341 zapping the LOG_LINKS of sched_before_next_call.
21343 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21344 * pa.c (insn_refs_are_delayed): Renamed from
21345 insn_sets_and_refs_are_delayed.
21347 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21349 * functiion.h (struct function): Add x_whole_function_mode_p.
21350 (retrofit_block): Declare.
21351 * function.c (retrofit_block): New function.
21352 (identify_blocks): Add assertions. Allow an incomplete set of
21353 block notes if we're still generating code for the function.
21354 * integrate.c: Include loop.h.
21355 (expand_inline_function): Call find_loop_tree_blocks to map block
21356 notes to blocks when in whole-function mode. Use retrofit_block
21357 to insert new BLOCKs for the inlined function, rather than
21359 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21360 * Makefile.in (integrate.o): Depend on loop.h.
21362 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21364 * tree.h (warn_about_unused_variables): Declare.
21365 * stmt.c (warn_about_unused_variables): New function, split out
21367 (expand_end_bindings): Here.
21369 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21371 * stmt.c (preserve_subexpressions_p): Don't crash when
21372 current_function->stmt is unset.
21374 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21376 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21377 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21378 (expand_start_target_temps): Use it.
21379 * except.c (expand_eh_region_start_for_decl): Likewise.
21380 * expr.c (expand_expr): Likewise.
21382 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21384 * fold-const.c (operand_equal_p): Pay attention to side effects.
21386 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21388 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21389 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21391 * tlink.c (scan_linker_output): Look for keywords before accepting
21392 a mangled name in quotes.
21394 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21396 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21397 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21399 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21401 * alpha.md: Revert Thu Nov 26 change that came in through the
21402 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21403 Avoid earlyclobber when possible.
21405 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21407 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21409 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21410 Define HAVE_ON_EXIT.
21412 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21414 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21415 CTYPE_CONV in all ctype macros.
21417 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21420 * cexp.y (initialize_random_junk): Likewise.
21422 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21424 * i370.c (handle_pragma): Likewise.
21426 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21428 * v850.c (override_options): Likewise.
21430 * doprint.c (_doprnt): Likewise.
21432 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21435 * fixinc/server.c (load_data): Likewise.
21437 * fold-const.c (real_hex_to_f): Likewise.
21439 * genattr.c (write_upcase, gen_attr): Likewise.
21441 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21442 write_upcase): Likewise.
21444 * genemit.c (print_code): Likewise.
21446 * genopinit.c (gen_insn): Likewise.
21448 * genpeep.c (print_code): Likewise.
21450 * genrecog.c (print_code): Likewise.
21452 * optabs.c (init_libfuncs): Likewise.
21454 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21456 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21458 (reemit_notes): Likewise.
21460 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21462 * ggc.h (ggc_root): Move to ggc-common.c.
21464 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21465 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21466 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21467 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21468 * ggc-common.c (ggc_root): Move from ggc.h.
21469 (roots): Declare, static.
21470 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21471 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21472 null or check/set mark bit.
21473 (ggc_mark_roots): New.
21474 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21476 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21478 * m32r.c: Include toplev.h.
21479 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21480 (gen_compare): Rename swap_p to must_swap to match uses.
21481 Add default abort case.
21482 (m32r_output_function_epilogue): Remove unused variables.
21483 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21484 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21485 define to empty parameter list. Update all uses.
21486 (predicate decls): Use enum machine_mode not int.
21487 * m32r.md (movsi): Call abort, not fatal_insn.
21488 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21490 1999-09-14 Andrew Haley <aph@cygnus.com>
21492 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21493 use $0 instead of 0.
21495 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21497 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21498 computation out of loop over hard regs.
21500 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21502 * function.c (identify_blocks): Don't shadow a variable in an
21504 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21505 pushdecl, or poplevel to build up the new BLOCK tree.
21506 (expand_inline_function): Likewise.
21507 (integrate_parm_decls): Likewise.
21509 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21511 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21513 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21515 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21516 * invoke.texi: Document this change.
21518 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21520 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21522 (mark_emit_status): Renamed from mark_emit_state.
21523 * except.c (mark_eh_status): Renamed from mark_eh_state.
21524 Check not null before marking.
21525 (free_eh_status): New.
21526 * expr.c (mark_expr_status, free_expr_status): New.
21527 * function.c (free_machine_status): New.
21528 (free_after_parsing): New.
21529 (free_after_compilation): Move bits to free_after_parsing; call
21530 free_eh_status, free_expr_status; zero the marked members of the
21532 (prepare_function_start): No can_garbage_collect.
21533 Call init_eh_for_function.
21534 (expand_dummy_function_end): Free up current_function state.
21535 (mark_function_status): Renamed from mark_function_state.
21536 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21537 * function.h (struct function): No can_garbage_collect.
21538 (free_machine_status, free_after_parsing): Declare.
21539 (free_eh_status, free_expr_status): Declare.
21540 * ggc.h (mark_expr_status): Declare.
21541 * stmt.c (free_stmt_status): Free the struct.
21542 (mark_stmt_status): Renamed from mark_stmt_state.
21543 (init_stmt): Don't call init_eh.
21544 (init_stmt_for_function): Don't call init_eh_for_function.
21545 * toplev.c (compile_file): Call init_eh.
21546 (rest_of_compilation): Free basic block info before ggc_collect.
21547 Call free_after_parsing; conditionally call free_after_compilation.
21548 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21549 Check not null before marking.
21550 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21552 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21554 * c-lex.c (yylex): Initialize warn.
21556 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21558 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21559 register when performing secondary reloads for the SAR register.
21561 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21563 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21564 (NOTE_BLOCK): New macro.
21565 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21566 * function.h (identify_blocks): Change prototype.
21567 * function.c (identify_blocks): Simplify.
21568 (reorder_blocks): Likewise.
21569 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21570 NOTE_INSN_BLOCK_{BEG,END}.
21571 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21572 the list of saved notes if the note isn't a
21573 NOTE_INSN_BLOCK_{BEG,END}.
21574 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21576 (reemit_notes): Adjust recreation of notes to reflect new saved
21578 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21579 printing a block note.
21580 * stmt.c (block_vector): Remove.
21581 (find_loop_tree_blocks): Simplify.
21582 (unroll_block_trees): Likewise.
21583 * tree.h (reorder_block): Change prototype.
21585 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21587 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21588 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21589 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21590 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21591 (atexit, exit): Simplify.
21592 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21593 * config/lots: Remove defns of HAVE_ATEXIT.
21595 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21597 * calls.c (precompute_arguments): Fix typo in comment.
21598 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21601 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21603 * dsp16xx.c (override_options): Fix typos in GC root registration.
21605 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21607 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21608 from config/svr4.h.
21609 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21610 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21611 (CC1_SPEC): Likewise.
21613 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21615 * genattr.c (main): Add extern prototype. Call return, not exit.
21616 * genattrtab.c (main): Likewise.
21617 * gencheck.c (main): Likewise.
21618 * gencodes.c (main): Likewise.
21619 * genconfig.c (main): Likewise.
21620 * genemit.c (main): Likewise.
21621 * genextract.c (main): Likewise.
21622 * genflags.c (main): Likewise.
21623 * gengenrtl.c (main): Likewise.
21624 * genopinit.c (main): Likewise.
21625 * genoutput.c (main): Likewise.
21626 * genpeep.c (main): Likewise.
21627 * genrecog.c (main): Likewise.
21629 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21630 * genattrtab.c (get_insn_name): Likewise.
21631 * gencodes.c (get_insn_name): Likewise.
21632 * genconfig.c (get_insn_name): Likewise.
21633 * genemit.c (get_insn_name): Likewise.
21634 * genextract.c (get_insn_name): Likewise.
21635 * genflags.c (get_insn_name): Likewise.
21636 * genopinit.c (get_insn_name): Likewise.
21637 * genpeep.c (get_insn_name): Likewise.
21639 * gencheck.c (usage): Add static prototype.
21640 * genextract.c (print_path): Constify a char*.
21641 * genopinit.c (optabs): Likewise.
21642 * genoutput.c (operand_data, data, output_predicate_decls,
21643 compare_operands): Likewise.
21644 * genrecog.c (write_tree): Add default case in switch.
21646 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21648 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21650 * print-rtl.c (get_insn_name): Remove prototype.
21652 * toplev.h (progname): Declare const.
21654 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21655 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21656 dump_sched_info, dump_local_alloc, regset_release_memory,
21657 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21658 error_with_file_and_line, error_with_decl, error_for_asm, error,
21659 fatal, warning_with_file_and_line, warning_with_decl, warning,
21660 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21661 Remove redundant prototypes.
21663 (notice, check_lang_option, report_file_and_line, vnotice,
21664 mark_file_stack): Add static prototype.
21665 (set_fatal_function): Add prototype.
21666 (vnotice, report_file_and_line, set_fatal_function,
21667 check_lang_option): Constify a char*.
21668 (main): Prototype. Call return, not exit.
21670 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21672 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21674 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21676 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21678 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21680 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21682 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21683 behave as if it's zero in all cases.
21684 (expand_function_start): Adjust call to assign_parms.
21685 * tree.h (assign_parms): Adjust prototype.
21686 * objc/objc-act.c (hack_method_prototype): Adjust call to
21689 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21691 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21692 arg_pointer_rtx fixed if the argument pointer register is
21694 (NONZERO_BASE_PLUS_P): Likewise.
21696 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21698 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21699 match_insn2 to match_insn.
21700 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21702 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21704 * Makefile.in (USER_H): Remove va-foo.h.
21706 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21707 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21708 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21709 va-spur.h,va-v850.h}: Remove.
21711 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21713 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21714 (in_return_delay): Use it instead of match_insn.
21716 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21718 * config/alpha/va_list.h (va-alpha.h): Do not include.
21719 (__gnuc_va_list): Typedef as in varargs.h.
21721 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21723 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21724 DECL_LIVE_RANGE_RTL.
21726 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21728 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21729 not NOTE_BLOCK_NUMBER.
21730 (expand_eh_region_end): Likewise.
21731 (find_exception_handler_labels): Likewise.
21732 (scan_region): Likewise.
21733 (exception_optimize): Likewise.
21734 (update_rethrow_references): Likewise.
21735 (set_insn_eh_region): Likewise.
21736 * final.c (final_scan_insn): Likewise.
21737 * flow.c (make_edges): Likewise.
21738 * integrate.c (expand_inline_function): Likewise.
21739 * print-rtl.c (print_rtx): Likewise.
21741 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21743 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21744 terms of builtin functions and types.
21746 * mips.c (mips_build_va_list): New.
21747 (mips_va_start, mips_va_arg): New.
21748 * mips.h (BUILD_VA_LIST_TYPE): New.
21749 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21751 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21752 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21753 * sh.h (BUILD_VA_LIST_TYPE): New.
21754 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21756 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21758 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21759 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21760 (struct insn_data): Likewise with n_operands, n_dups,
21761 n_alternatives, output_format.
21762 * regclass.c (scan_one_insn): Cast n_operands to int before
21763 arithmetic inside comparison.
21765 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21767 * toplev.c (compile_function): Unconditionally emit nop.
21769 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21771 * haifa-sched.c (actual_hazard): Move declaration of variable
21772 `this_cost' into the scope where it is used.
21774 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21776 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21777 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21778 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21780 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21782 * jump.c (find_insert_position): Don't declare or define unless
21783 !HAVE_conditional_arithmetic.
21784 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21786 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21788 * recog.c (offsettable_address_p): Prototype function pointer.
21789 (preprocess_constraints): Call memset, not bzero.
21791 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21792 (gcc_obstack_init): Don't declare.
21793 (fix_sizetype): Add static prototype.
21794 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21795 (tree_cons): Call memset, not bzero.
21797 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21798 definition in macro ASM_WEAKEN_LABEL.
21799 (mark_const_hash_entry): Add static prototype.
21801 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21803 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21805 * unroll.c (find_common_reg_term, subtract_reg_term,
21806 loop_find_equiv_value): Add static prototypes.
21807 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21808 (copy_loop_body): Remove unreachable break statement.
21810 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21812 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21814 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21816 Undo some changes from the gcc2 merge:
21817 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21818 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21822 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21823 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21824 initialized float-int union if the value is a NaN.
21826 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21828 * gthr-win32.h: New file.
21830 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21831 shared as a valid attribute.
21832 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21833 * extend.texi: Document `shared' variable attribute.
21835 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21837 * configure.in: Handle --enable-threads on FreeBSD.
21838 * configure: Rebuit.
21840 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21842 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21844 * configure: Rebuilt.
21846 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21847 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21848 Rosimildo DaSilva <rdasilva@connecttel.com>
21850 * configure.in (m68k-*-rtemscoff*): Added.
21851 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21852 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21853 sparc-rtems configuration.
21854 * configure.in (sparc-*-rtemself*): Added.
21855 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21856 * config/i386/rtems.h: Added comment.
21857 * config/sparc/rtemself.h: New file.
21859 * configure.in (m68k-rtemself): Added.
21860 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21861 and DWARF_DEBUGGING_INFO.
21862 * config/m68k/crti.s: New file.
21863 * config/m68k/crtn.s: New file.
21864 * config/m68k/t-crtstuff: New file.
21865 * config/m68k/rtemself.h: New file.
21867 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21868 global ctor/dtor and C++ exception handling.
21869 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21870 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21872 * config/i386/t-rtems-i386: New File.
21874 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21876 * stmt.c (expand_end_case): Return right away if the case stack is
21879 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21881 * Makefile.in (version.c): Remove rule incorrectly brought in from
21884 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21886 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21887 * msdos/top.sed: Take into account a prepended $(SHELL) to
21889 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21891 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21893 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21895 * regmove.c (fixup_match_1): Don't change an unchanging register.
21896 (stable_but_for_p): Renamed to:
21897 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21898 Changed all callers.
21900 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21902 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21903 insn from BL2 is after the insn from BL.
21905 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21907 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21908 (struct insn_data): Merge `template' and `outfun' into `output'.
21909 Add `output_format'.
21910 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21911 (struct data): Remove `outfun'; add `output_format'.
21912 (name_for_index): Remove declaration.
21913 (output_insn_data): Handle output formats.
21914 (process_template): Emit the bare array for @.
21915 (gen_expand, gen_split): Set output_format to NONE.
21916 * output.h (get_insn_template): Declare.
21917 * final.c (get_insn_template): New.
21918 (final_scan_insn): Use it.
21919 * toplev.c (compile_file): Likewise.
21921 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21922 * i860/i860.c (output_delayed_branch): Likewise.
21923 (output_delay_insn): Likewise.
21925 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21927 * rtl.c (obstack_alloc_rtx): Removed.
21929 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21931 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21933 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21935 * i386.c (call_insn_operand): Reject const_int.
21936 (expander_call_insn_operand): Use call_insn_operand.
21938 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21940 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21942 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21944 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21945 Use DImode operation.
21947 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21949 * gcc.c: Include sys/resource.h.
21950 (report_times): New flag.
21951 (execute): If report_times is set, calculate and report the
21952 CPU time consumed by each subprocess.
21954 (rus, prus): New globals.
21955 (option_map): Add --time.
21956 (display_help): Document -time.
21957 (process_command): Set report_times if -time is given.
21958 Turn off -pipe if -time is given.
21960 * invoke.texi: Document new option -time.
21962 * configure.in: Check for getrusage. Check if we have to
21963 prototype getrusage.
21964 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21965 * configure: Regenerate.
21966 * config.in: Regenerate.
21968 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21970 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21973 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21975 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21976 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21977 (nan): Return _thenan_sf or _thenan_df as appropriate.
21978 (L_thenan_sf): Define _thenan_sf.
21979 (L_thenan_df): Define _thenan_df.
21981 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21982 (DPBIT_FUNCS): Add _thenan_df.
21984 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21986 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21989 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21991 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21994 (lang_specific_driver): Don't take a function pointer parameter.
21995 All callers changed.
21997 * gcc.c: Include gcc.h.
21998 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21999 lang_specific_extra_outfiles, fatal): Don't declare.
22000 (multilib_defaults_raw): Constify.
22001 (read_specs): Call memset, rather than bzero.
22002 (main): Call return, not exit.
22003 (lookup_compiler): Call memcpy, not bcopy.
22004 (fatal): Make extern.
22006 * cppspec.c: Include gcc.h.
22007 (lang_specific_driver): Initialize variable `quote'. Constify a
22008 char*. All calls to the function pointer parameter now
22009 explicitly call `fatal'.
22011 * gccspec.c (lang_specific_driver): Include gcc.h.
22013 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22015 * arm.c (note_invalid_constants): Use recog_data.operand_type
22018 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22020 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22023 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22024 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22025 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22026 reload_secondary_in_reload, reload_secondary_out_reload,
22027 reload_secondary_in_icode, reload_secondary_out_icode,
22028 reload_reg_rtx, reload_when_needed): Delete declarations.
22029 (struct reload): New structure.
22030 (rld): Declare new array.
22031 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22032 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22033 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22034 reload_secondary_in_reload, reload_secondary_out_reload,
22035 reload_secondary_in_icode, reload_secondary_out_icode,
22036 reload_reg_rtx, reload_when_needed): Delete definitions.
22038 (whole file): Replace uses of the deleted arrays with uses of rld.
22039 * reload1.c (whole file): Replace uses of the deleted arrays with
22041 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22042 explicit loops, not with bcopy.
22044 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22046 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22047 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22048 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22049 insn_name): Delete and consolidate into new structures.
22050 (insn_operand_predicate_fn): New.
22051 (insn_output_fn): New.
22052 (insn_gen_fn): New.
22053 (struct insn_operand_data): New.
22054 (struct insn_data): New.
22056 (OUT_FCN): Update for insn_data change.
22057 * builtins.c (expand_builtin_strlen): Likewise.
22058 (expand_builtin_memcmp): Likewise.
22059 * combine.c (make_extraction, simplify_comparison): Likewise.
22060 * cse.c (canon_reg, cse_insn): Likewise.
22061 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22062 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22063 (emit_store_flag): Likewise.
22064 * expr.c (convert_move, emit_block_move): Likewise.
22065 (clear_storage, emit_push_insn, expand_increment): Likewise.
22066 (do_store_flag): Likewise.
22067 * expr.h (GEN_FCN): Likewise.
22068 (insn_gen_function): Die.
22069 * final.c (final_scan_insn): Update for insn_data change.
22070 (output_asm_name): Likewise.
22071 * function.c (fixup_var_refs_1): Likewise.
22072 * loop.c (check_dbra_loop): Likewise.
22073 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22074 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22075 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22076 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22077 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22078 * regmove.c (gen_add3_insn): Likewise.
22079 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22080 (find_reloads, find_reloads_address_1): Likewise.
22081 (debug_reload_to_stream): Likewise.
22082 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22083 * stmt.c (expand_end_case): Likewise.
22084 * toplev.c (compile_file): Likewise.
22086 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22087 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22089 * print-rtl.c (insn_name_ptr): Remove declaration.
22090 (get_insn_name): Declare.
22091 (print_rtx): Use it.
22092 * genoutput.c (insn_name_ptr): Remove.
22093 (next_operand_number): New.
22094 (struct operand_data): New.
22095 (null_operand, odata, odata_end): New.
22096 (struct data): Use struct operand_data.
22097 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22098 (get_insn_name): Renamed from name_for_index.
22099 (output_prologue): Define NO_MD_PROTOTYPES.
22100 (output_predicate_decls): Break out from output_epilogue.
22101 Iterate over the operands list.
22102 (output_operand_data): Break out from output_epilogue. Emit
22103 just the operands list.
22104 (output_insn_data): Break out from output_epilogue. Emit just
22106 (output_epilogue): Remove.
22107 (output_get_insn_name): New.
22108 (constraints, op_n_alternatives, predicates, address_p): Die.
22109 (modes, strict_low, seen): Die.
22110 (scan_operands): Take new param `d' instead of writing to
22111 seven global variables.
22112 (compare_operands): New.
22113 (place_operands): New.
22114 (validate_insn_alternatives): Update for struct data change.
22115 (gen_insn): Don't zero or copy 7 global arrays. Update for
22116 scan_operands; call place_operands.
22117 (gen_peephole, gen_expand, gen_split): Likewise.
22118 (main): Update for new output routines.
22120 * genattr.c (insn_name_ptr): Remove.
22121 (get_insn_name): New function.
22122 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22123 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22124 * genrecog.c: Likewise.
22126 * alpha.md (adddi3): Make `pattern' array static.
22128 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22130 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22131 c4x_cpu_version_string): Constify char *.
22132 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22133 c4x_cpu_version_string): Likewise.
22135 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22137 * tree.c (save_tree_status): Revert 10 Sep change.
22138 (restore_tree_status): Likewise. Call obstack_free with NULL
22139 before freeing the obstack proper.
22141 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22143 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22145 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22146 surrounding context.
22148 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22150 * tree.c (type_hash_canon): Put all types in the hash-table, when
22153 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22155 * recog.h (struct recog_data, recog_data): New.
22156 (recog_foo variables): Kill.
22157 * recog.c (recog_operand, recog_operand_loc): Kill.
22158 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22159 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22160 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22161 (recog_data): Define.
22162 (extract_insn): Update all recog_foo references to use recog_data.
22163 (preprocess_constraints, constrain_operands): Likewise.
22164 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22165 * genattrtab.c (main): Likewise.
22166 * genextract.c (main): Likewise.
22167 * genoutput.c: Likewise.
22168 * genrecog.c (write_subroutine, main): Likewise.
22169 * local-alloc.c (block_alloc): Likewise.
22170 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22171 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22172 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22173 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22174 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22175 (reload_cse_simplify_operands): Likewise.
22177 * arc/arc.c (arc_final_prescan_insn): Likewise.
22178 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22179 * h8300/h8300.c (notice_update_cc): Likewise.
22180 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22181 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22182 * mn10200/mn10200.c (notice_update_cc): Likewise.
22183 * mn10300/mn10300.c (notice_update_cc): Likewise.
22184 * romp/romp.c (update_cc): Likewise.
22185 * sparc/sparc.c (check_pic): Likewise.
22186 * v850/v850.c (notice_update_cc): Likewise.
22188 * genemit.c (main): Don't declare recog_operand.
22190 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22192 * ggc.h (rtvec_def): Forward declare.
22193 (tree_node): Likewise.
22194 (ggc_root): Define.
22196 (ggc_set_mark_rtx): Add prototype.
22197 (ggc_set_mark_rtvec): Likewise.
22198 (ggc_set_mark_tree): Likewise.
22199 * ggc-simple.c (ggc_root): Don't define.
22200 (roots): Don't declare.
22201 (ggc_mark_rtx): Remove.
22202 (ggc_mark_rtvec): Likewise.
22203 (ggc_mark_tree): Likewise.
22204 (ggc_mark_varray): Likewise.
22205 (ggc_mark_tree_hash_table_entry): Likewise.
22206 (ggc_mark_tree_hash_table): Likewise.
22207 (ggc_set_mart_rtx): New function.
22208 (ggc_set_mark_rtvec): Likewise.
22209 (ggc_set_mark_tree): Likewise.
22210 (ggc_add_root): Remove.
22211 (ggc_add_rtx_root): Likewise.
22212 (ggc_remove_tree_root): Likewise.
22213 (ggc_add_string_root): Likewise.
22214 (ggc_add_tree_varray_root): Likewise.
22215 (ggc_add_tree_hash_table_root): Likewise.
22216 (ggc_del_root): Likewise.
22217 (ggc_mark_rtx_ptr): Likewise.
22218 (ggc_mark_tree_ptr): Likewise.
22219 (ggc_mark_string_ptr): Likewise.
22220 (ggc_mark_tree_varray_ptr): Likewise.
22221 (ggc_mark_tree_hash_table_ptr): Likewise.
22222 * ggc-common.c: New file.
22223 * Makefile.in (OBJS): Add ggc-common.o.
22224 (ggc-common.o): List dependencies.
22226 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22228 * cppalloc.c (xstrdup): Use memcpy.
22229 * cpperror.c (cpp_print_containing_files): Don't use
22231 * cpplib.c (conditional_skip): Set temp->lineno.
22232 (do_endif): Make error message less obscure.
22233 (if_directive_name): New function.
22234 (cpp_get_token [case EOF]): Unwind the if stack and generate
22235 error messages for each unterminated conditional in this file.
22236 (parse_string): Do not behave differently if -traditional.
22238 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22240 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22241 va_list decomposing to pointer-type.
22242 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22243 (rs6000_va_arg): Likewise.
22245 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22247 * except.c (start_dynamic_handler): Compute size using
22248 STACK_SAVEAREA_MODE.
22250 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22252 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22253 include directory headers. Don't define strrchr. Don't provide
22254 my_* replacement functions. Prefer PTR over `pointer_type'.
22255 Don't prototype system functions. Don't redefine getopt.
22257 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22258 safe_read, safe_write, save_pointers, restore_pointers,
22259 is_id_char, in_system_include_dir, directory_specified_p,
22260 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22261 find_corresponding_lparen, referenced_file_is_newer,
22262 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22263 process_aux_info_file, identify_lineno, check_source,
22264 seek_to_line, forward_to_next_token_char, output_bytes,
22265 output_string, output_up_to, other_variable_style_function,
22266 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22267 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22268 find_static_definition, connect_defs_and_decs, add_local_decl,
22269 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22270 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22271 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22272 scan_for_missed_items, edit_file, string_list_cons): Add static
22274 (standard_exec_prefix, target_machine, target_version,
22275 default_syscalls_dir, string_list, string_list_cons, find_file,
22276 do_cleaning): Constify a char*.
22277 (safe_read, safe_write): Use PTR, not a char*.
22278 (is_id_char): Take an int, not a char.
22279 (main): Add prototype. Call return, not exit.
22281 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22283 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22284 when comparing types.
22286 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22288 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22289 (strength_reduce): Release the varrays from the no-bivs early exit.
22291 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22292 the loop over the registers.
22294 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22296 (restore_tree_status): Check that instead when freeing the obstack.
22298 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22300 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22303 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22305 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22306 operand size modifiers.
22308 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22310 * c-common.c (c_common_nodes_and_builtins): Don't build
22312 * c-common.h (enum c_tree_index and related accesor macros): Remove
22313 everything now declared in tree.h.
22314 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22315 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22316 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22317 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22318 unsigned_type_node, ptr_type_node, va_list_type_node,
22319 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22320 (init_decl_processing): Call build_common_tree_nodes and
22321 build_common_tree_nodes_2 instead of building their nodes here.
22322 Don't add roots for these nodes.
22323 * stor-layout.c (size_zero_node, size_one_node): Delete.
22324 (set_sizetype): Make a new node for bitsizetype each time.
22325 * tree.c (global_trees): New variable.
22326 (init_obstacks): Add a gc root for it.
22327 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22328 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22329 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22330 (build_common_tree_nodes): New function.
22331 (fix_sizetype): New function.
22332 (build_common_tree_nodes_2): New function.
22333 * tree.h (enum tree_index): New.
22334 (global_trees): Declare.
22335 Add accessor macros for all nodes now moved to global_trees.
22336 Delete their declarations.
22338 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22340 * c-decl.c (finish_function): When processing a nested function,
22341 push and pop GC context around rest_of_compilation.
22343 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22345 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22346 Default ix86_arch to PROCESSOR_I386.
22347 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22348 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22349 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22350 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22351 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22352 (EXTRA_SPECS): Remove deleted specs.
22354 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22356 * function.c (assign_stack_local_1): Allocate from
22357 function->x_frame_offset, not frame_offset.
22359 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22361 * ggc.h (lang_cleanup_tree): Remove.
22362 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22363 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22365 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22366 TYPE_LANG_SPECIFIC when garbage collecting.
22367 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22368 (lang_cleanup_tree): Remove.
22370 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22372 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22373 * crtstuff.c: Not here.
22374 * dwarf2out.c: Or here.
22375 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22378 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22380 * function.h (free_after_compilation): Remove decl parameter.
22381 (free_varasm_status0: Likewise.
22382 (free_emit_status): Likewise.
22383 (free_stmt_status): Likewise.
22384 (free_after_compilation): Likewise.
22385 (init_lang_status): New variable.
22386 (free_lang_status): Likewise.
22387 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22388 * function.c (init_lang_status): New variable.
22389 (free_lang_status): Likewise.
22390 (push_function_context_to): Don't set function::decl here.
22391 (free_after_copmilation): Make decl parameter implicit. Call
22392 free_lang_status if defined.
22393 (prepare_function_start): Call init_lang_status if defined.
22394 (init_function_start): Set function::decl here.
22395 * profile.c (output_func_start_profiler): Don't call pushdecl
22396 until we've actually started the function.
22397 * stmt.c (free_stmt_status): Make decl parameter implicit.
22398 * toplev.c (rest_of_compilation): Don't pass decl to
22399 free_after_compilation.
22400 * varasm.c (free_varasm_status): Likewise.
22402 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22404 * except.c (call_get_eh_context): Add root when allocating static
22407 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22409 * arm.c: Include "ggc.h".
22410 (arm_add_gc_roots): New function.
22411 (arm_override_options): Call it.
22412 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22414 * arm.md (define_asm_attributes): Add a pool_range attribute.
22416 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22418 * extend.texi (Volatiles): New node.
22420 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22422 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22423 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22424 (struct ggc_any): Replace `mark' with `magic_mark'.
22425 (ggc_alloc_string): Use memcpy, not bcopy.
22426 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22427 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22428 (ggc_free_any): New.
22429 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22430 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22431 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22432 Use IS_MARKED. Use ggc_free_any.
22434 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22436 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22438 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22440 * toplev.c (main): Always init_ggc.
22442 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22444 * except.c (find_all_handler_type_matches): Free the list if
22445 we found no matches.
22447 * combine.c (SUBST): Break out to a real function do_SUBST.
22448 (SUBST_INT): Likewise.
22449 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22450 (pre_insert): Free `inserted'.
22451 * loop.c (basic_induction_var): Always set `location'.
22453 * function.c (expand_function_end): Add initial_trampoline as a root.
22454 * rtl.h (init_varasm_once): Declare.
22455 * toplev.c (compile_file): Call it.
22456 * ggc-simple.c (ggc_mark_string_ptr): New.
22457 (ggc_add_string_root): New.
22458 (ggc_collect): Disable collection avoidance temporarily.
22459 * ggc.h (ggc_add_string_root): Declare.
22460 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22461 * optabs.c (init_libfuncs): Likewise.
22462 * varasm.c (named_section): Use ggc_alloc_string.
22463 (make_function_rtl): Likewise.
22464 (make_decl_rtl): Likewise.
22465 (assemble_static_space): Likewise.
22466 (assemble_trampoline_template): Likewise.
22467 (output_constant_def): Likewise.
22468 (force_const_mem): Likewise.
22469 (mark_const_hash_entry): New.
22470 (mark_pool_sym_hash_table): New.
22471 (mark_varasm_state): Use it.
22472 (init_varasm_once): New.
22474 * expr.h (init_one_libfunc): Declare.
22475 * optabs.c (init_one_libfunc): New.
22476 (init_optabs): Use it.
22477 * config/gofast.h: Likewise.
22478 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22479 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22481 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22483 * Makefile.in (cppexp.o): Depend on cpphash.h.
22484 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22486 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22487 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22488 redefining poisoned identifiers, etc.
22489 (do_undef): Don't allow poisoned identifiers to be undefined.
22490 (do_pragma): Add #pragma poison.
22491 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22493 * cccp.c: Add T_POISON node type.
22494 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22496 (do_define): Generalise to handle poisoned definitions,
22497 redefining poisoned identifiers, etc.
22498 (do_undef): Don't allow poisoned identifiers to be undefined.
22499 (do_pragma): Add #pragma poison.
22500 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22502 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22503 * c-pragma.h: Add ps_poison state. We now always have generic
22506 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22508 * ggc.h (ggc_alloc): New function.
22509 (ggc_mark): Likewise.
22510 * ggc-simple.c (ggc_any): New structure.
22511 (ggc_status): Add anys.
22512 (n_anys_collected): New variable.
22513 (ggc_alloc): Define.
22514 (ggc_mark): Likewise.
22515 (ggc_collect): Collect the anys.
22517 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22519 * c-decl.c (mark_binding_level): Make static to match prototype.
22521 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22523 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22525 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22527 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22528 will use into account. Expand the max width to 5.
22531 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22533 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22534 for the rtx length.
22536 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22538 * alpha.md (call value patterns): Remove the result predicates.
22540 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22542 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22545 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22547 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22548 changed from extern char *, to extern PTR. Also fix typo in
22549 NEED_DECLARATION_REALLOC test.
22551 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22553 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22555 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22556 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22557 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22558 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22560 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22562 * cccp.c (pcfinclude): Likewise.
22564 * global.c (allocno_compare): Likewise.
22566 * haifa-sched.c (rank_for_schedule): Likewise.
22568 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22570 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22572 * stupid.c (stupid_reg_compare): Likewise.
22574 * tree.c (_obstack_allocated_p): Likewise.
22576 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22578 1999-09-08 Bruce Korb autogen@linuxbox.com
22580 * Makefile.in: Give the hapless gperf user a hint about
22581 why "gperf -F" fails.
22583 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22585 * lists.c: Include ggc.h.
22587 (init_EXPR_INSN_LIST_cache): Install it.
22589 * ggc-simple.c (init_ggc): Absorb the old init.
22590 (ggc_push_context): Use xcalloc.
22591 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22592 (ggc_collect): Add [rvts] tags to the collection stats.
22594 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22596 * cccp.c (main): Fix handling of -include and -imacros options.
22598 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22600 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22602 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22604 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22607 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22609 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22610 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22611 and SET_DEST. Update comment.
22613 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22615 * config/c4x/c4x.c: Include ggc.h.
22616 (c4x_add_gc_roots): New function.
22617 (c4x_override_options): Call c4x_add_gc_roots.
22619 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22621 * defaults.h (TARGET_ESC): Move ...
22622 * system.h: ... here, where Linas had it in the first place. Silly me.
22624 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22626 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22627 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22628 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22629 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22630 * defaults.h (TARGET_ESC): Add default.
22632 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22634 * configure.in: add i370-*-openedition, i370-*-mvs and
22635 i370-*-linux targets
22637 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22639 * dsp16xxx.c: Include ggc.h
22640 (override_options): Mark GC roots.
22641 * mn10200.c: Include ggc.h.
22642 (asm_file_start): Mark GC roots.
22643 * tahoe.c: Include ggc.h.
22644 (extensible_operand): Mark GC roots.
22646 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22648 * README: Add section discussing status of ELF ABI.
22649 * i370.c: Fix misc spelling mistakes.
22650 (i370_label_scan): Updated notes, exception handling.
22651 (i370_function_prolog): Simplify ELF stack handling.
22652 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22653 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22654 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22655 * i370.md: (movdi): Add notes.
22656 (floatsidf2): Use stack not rtca for scratch float area.
22657 (iorsi3): Correct operand constraints.
22658 * x-oe: Restore TAROUTOPTS which are used by pax.
22660 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22662 * rs6000.c: Include ggc.h.
22663 (rs6000_add_gc_roots): New function.
22664 (override_options): Call it.
22666 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22668 * alpha.h (alpha_compare): New.
22669 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22670 * alpha.c: Likewise for the definitions.
22671 (alpha_emit_conditional_branch): Update for alpha_compare.
22672 (alpha_emit_conditional_move): Likewise.
22673 * alpha.md (cmpdf, cmpdi): Likewise.
22674 (setcc patterns): Likewise. Zero alpha_compare after use.
22675 (sne): Optimize (x != 0) into (0U < x).
22677 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22679 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22680 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22681 (INIT_EXPANDERS): Remove.
22682 * alpha.c: Include ggc.h.
22683 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22684 (alpha_init_machine_status, alpha_mark_machine_status): New.
22685 (override_options): Install them.
22686 (struct machine_function): Moved to alpha.h.
22687 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22688 (alpha_init_expanders): Remove.
22689 (alpha_return_addr): Adjust to use current_function->machine.
22690 (alpha_ra_ever_killed): Likewise.
22691 (alpha_expand_epilogue): Likewise.
22692 * alpha.md (eh_epilogue): Likewise.
22694 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22695 Melissa O'Neill <oneill@cs.sfu.ca>
22696 Geoffrey Keating <geoffk@cygnus.com>
22698 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22699 call-used registers (call-saved registers must still be contiguous
22700 and end with r31, of course).
22702 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22704 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22705 (self_promoting_type_p): Delete.
22706 (self_promoting_args_p): Move ...
22707 * c-common.c: ... here.
22708 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22709 (simple_type_promotes_to): New.
22710 * builtins.c (lang_type_promotes_to): New.
22711 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22712 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22713 * c-common.h: ... here.
22714 (self_promoting_args_p, simple_type_promotes_to): Declare.
22715 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22716 (grokdeclarator): Likewise.
22717 * tree.h (lang_type_promotes_to): Declare.
22719 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22721 Add some machine-dependent GC roots.
22722 * sparc.c: Include ggc.h.
22723 (sparc_add_gc_roots): New function.
22724 (mark_ultrasparc_pipeline_state): Likewise.
22725 (override_options): Call sparc_add_gc_roots.
22726 * pa.c: Include ggc.h.
22727 (pa_add_gc_roots): New function.
22728 (mark_deferred_plabels): Likewise.
22729 (override_options): Call pa_add_gc_roots.
22730 * mips.c: Include ggc.h.
22731 (mips_add_gc_roots): New function.
22732 (override_options): Use it.
22734 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22736 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22738 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22739 cpp_parse_expr): Add static prototypes.
22740 (parse_charconst): Don't cast away const-ness.
22741 (token): Constify a char*.
22743 * cppfiles.c (file_name_list, include_hash, find_include_file,
22744 finclude, initialize_input_buffer): Constify a char*.
22745 (file_cleanup, find_position): Add static prototypes.
22747 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22748 collect_expansion): Add static prototypes.
22749 (cpp_install, create_definition, monthnames): Constify a char*.
22751 * cpphash.h (cpp_install): Likewise.
22753 * cppinit.c (known_suffixes, default_include,
22754 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22755 (base_name, dump_special_to_buffer, initialize_dependency_output):
22756 Add static prototypes.
22758 * cpplib.c (my_strerror): Constify a char*.
22759 (null_underflow, null_cleanup, skip_comment, copy_comment,
22760 copy_rest_of_line, handle_directive, pass_thru_directive,
22761 get_directive_token, read_line_number, cpp_print_file_and_line,
22762 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22763 v_cpp_warning_with_line, detect_if_not_defined,
22764 consider_directive_while_skipping): Add static prototypes.
22765 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22766 cpp_pedwarn_with_file_and_line): Constify a char*.
22768 * cpplib.h (cpp_options, include_hash, progname, definition,
22769 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22770 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22771 find_include_file, deps_output, include_hash): Constify a char*.
22773 * cppmain.c (progname): Constify.
22774 (main): Add prototype. Use return, not exit.
22776 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22777 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22778 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22779 check_protection): Add static prototype.
22781 (progname, recognized_macrom, recognized_extern): Constify a char*.
22782 (main): Add prototype.
22784 * gen-protos.c (progname): Constify a char*.
22786 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22788 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22789 (init_emit_once): Add more GC roots.
22790 * except.c (mark_func_eh_entry): New function.
22791 (mark_eh_node): Mark false_label and rethrow_label.
22792 (init_eh): Add more GC roots.
22793 * function.c (free_after_compilation): Take decl as a paramter.
22794 Call free_stmt_status.
22795 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22797 * function.h (free_after_compilation): Change prototype.
22798 (free_varasm_status): Likewise.
22799 (free_emit_status): Likewise.
22800 (free_stmt_status): New function.
22801 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22802 Remove, replacing with ...
22803 (ggc_status): New structure.
22804 (ggc_chain): New variable.
22805 (init_gcc): Define.
22806 (ggc_push_context): New function.
22807 (ggc_pop_context): Likewise.
22808 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22809 (ggc_alloc_rtvec): Likewise.
22810 (ggc_alloc_tree): Likewise.
22811 (ggc_alloc_string): Likewise.
22812 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22813 (ggc_mark_tree): Give language-dependent code a chance to mark
22815 (ggc_mark_tree_varray): Handle empty arrays.
22816 (ggc_collect): Adjust for use of ggc_chain. Clear
22817 bytes_alloced_since_last_gc.
22818 * ggc.h (ggc_pop_context): New function.
22819 (ggc_push_context): Likewise.
22820 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22821 * stmt.c (free_stmt_status): New function.
22822 (init_stmt_for_function): Clear last_expr_value.
22823 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22824 Conditionalize call to ggc_collect.
22825 (main): Call init_ggc.
22826 * tree.c (push_obstacks): Do the push, even when GC'ing.
22827 (push_obstacks_nochange): Likewise.
22828 (pop_obstacks): Liekwise.
22829 * varasm.c (free_varasm_status): Take decl as a parameter.
22831 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22833 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22834 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22835 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22836 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22838 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22840 * pa/x-pa-mpeix: New file for the MPE port.
22842 * pa/quadlib.asm: New file for long double support.
22844 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22845 * configure: Rebuilt.
22847 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22849 * final.c (shorten_branches): Fix last change.
22851 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22853 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22855 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22857 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22860 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22862 * c-aux-info.c (concat): Don't define.
22864 * cccp.c (my_strerror): Likewise. All callers changed to use
22866 (do_include): Call xstrdup, not xmalloc/strcpy.
22867 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22868 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22870 * collect2.c (my_strsignal): Likewise. All callers changed to use
22872 (locatelib): Call xstrdup, not xmalloc/strcpy.
22874 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22876 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22878 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22880 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22882 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22884 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22886 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22888 (find_all_handler_type_matches): Likewise. Don't check return
22890 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22891 xmalloc, not malloc.
22892 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22894 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22895 (init_spec): Call xcalloc, not xmalloc/bzero.
22896 (set_spec): Call xstrdup, not save_string.
22897 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22898 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22899 (process_command): Call xstrdup, not save_string.
22900 (main): Call xcalloc, not xmalloc/bzero.
22902 * gcov.c (xmalloc): Don't define.
22903 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22904 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22905 (output_data): Call xcalloc, not xmalloc/bzero.
22907 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22909 * mips-tdump.c (xmalloc): Don't define.
22910 (print_symbol): Call xmalloc, not malloc.
22911 (read_tfile): Call xcalloc, not calloc.
22913 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22914 Don't define. All callers of xfree/my_strsignal changed to use
22915 free/strsignal instead.
22916 (allocate_cluster): Call xcalloc, not calloc.
22918 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22919 Fix memory leak, free allocated memory.
22921 * prefix.c (translate_name): Call xstrdup, not save_string.
22922 (update_path): Likewise.
22924 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22926 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22927 Don't define. Callers of xfree/savestring2 changed to use
22928 free/concat instead.
22930 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22931 (init_elim_table): Likewise.
22933 * resource.c (init_resource_info): Likewise.
22935 * stupid.c (stupid_life_analysis): Likewise.
22937 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22938 (open_dump_file): Call concat, not xmalloc/strcpy/...
22939 (clean_dump_file): Likewise.
22940 (compile_file): Call xstrdup, not xmalloc/strcpy.
22942 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22944 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22945 * v850.c (v850_va_arg): New.
22947 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22949 * haifa-sched.c: Tidy comments.
22951 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22953 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22954 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22955 $(out_object_file)): Depend on ggc.h.
22956 * c-common.c: Include "ggc.h".
22957 (combine_strings): If doing GC, use ggc_alloc_string.
22958 * c-decl.c: Include "ggc.h".
22959 (ggc_p): Define with value 0.
22960 (mark_binding_level): New function.
22961 (init_decl_processing): Add GC roots.
22962 (mark_c_function_context): New function.
22963 (lang_mark_false_label_stack): New function.
22964 (lang_mark_tree): New function.
22965 (lang_cleanup_tree): New function.
22966 * c-lang.c: Include "ggc.h".
22967 (lang_init): Call c_parse_init.
22968 * c-lex.c: Include "ggc.h".
22969 (check_linenum): If doing GC, don't copy filenames to permanent
22971 * c-parse.in: Include "ggc.h".
22972 (c_parse_init): New function.
22973 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22974 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22976 * except.c (mark_eh_state): Mark more state.
22977 * function.c (mark_function_state): Likewise.
22978 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22979 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22980 * toplev.c (mark_file_stack): New function.
22981 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22982 (main): Add root for input_file_stack.
22984 * i386.c: Include "ggc.h".
22985 (ix86_mark_machine_status): New function.
22986 (override_options): Set mark_machine_status.
22988 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22990 * tree.c (copy_node): Copy node contents also if doing GC.
22992 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22994 * collect2.c (scan_libraries): Fix double-thinko :-).
22996 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22998 * collect2.c (scan_libraries): Fix thinko.
23000 * cse.c (delete_trivially_dead_insns): Do not skip the last
23001 insn if it is a real insn.
23003 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23005 * Makefile.in (ggc-simple.o): Depend on hash.h.
23006 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23007 (ggc_mark_tree_varray): Likewise.
23008 (ggc_mark_tree_hash_table): Likewise.
23009 * ggc-simple.c: Include hash.h.
23010 (ggc_mark_tree_hash_table_ptr): New function.
23011 (ggc_mark_tree_hash_table_entry): Likewise.
23012 (ggc_mark_tree_hash_table): Likewise.
23013 (ggc_add_tree_hash_table_root): Likewise.
23014 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23015 rtx, when defining fields.
23017 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23019 * profile.c (output_func_start_profiler): Remove apparently
23020 nonsensical call to start_sequence.
23022 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23024 * clipper/clipper.c (clipper_va_start): Fix typos.
23026 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23027 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23028 (spur_va_arg): New stub.
23030 * configure.in: Comment out pyramid.
23032 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23034 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23035 don't conflict with the bits that win32, cygwin, and dgux
23038 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23039 Bernd Schmidt <bernds@cygnus.co.uk>
23041 * integrate.c (function_cannot_inline_p): Do not inline
23042 functions with forced labels.
23044 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23045 Bernd Schmidt <bernds@cygnus.co.uk>
23046 Mark Mitchell <mark@codesourcery.com>
23048 * Makefile.in (ggc-simple.o): Depend on varray.h.
23049 (rtl.o): Depend on ggc.h.
23050 (genattrtab.o): Depend on ggc.h.
23051 (print-tree.o): Likewise.
23052 (fold-const.o): Likewise.
23053 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23054 (make_insn_raw): Don't cache insns when GC'ing.
23055 (emit_insn_before): Likewise.
23056 (emit_insn_after): Likewise.
23057 (emit_insn): Likewise.
23058 (start_sequence): Use xmalloc to allocate the sequence_stack.
23059 (end_sequence): Add free to free it.
23060 (gen_sequence): Don't cache insns when GC'ing.
23061 (clear_emit_caches): Don't use sequence_element_free_list.
23062 (init_emit): Use xcalloc, not xmalloc+bzero.
23063 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23064 * function.c (pop_function_context_from): Use free to free the
23065 fixup_var_refs_queue.
23066 (put_reg_into_stack): Allocate it with xmalloc.
23067 * genattrtab.c: Include ggc.h.
23068 (operate_exp): Don't use obstack_free when GC'ing.
23069 (simplify_cond): Likewise.
23070 (simplify_text_exp): Likewise.
23071 (optimize_attrs): Likewise.
23072 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23074 (gencode): Generate a #include for ggc.h.
23075 * ggc-callbacks.c (ggc_p): Define it to zero.
23076 * ggc-none.c (ggc_p): Likewise.
23077 * ggc-simple.c: Include varray.h.
23078 (ggc_mark_tree_varray): New function.
23079 (ggc_add_tree_varray_root): Likewise.
23080 (ggc_mark_tree_varray_ptr): Likewise.
23081 * ggc.h (ggc_p): Declare.
23082 (varray_head_tag): Likewise.
23083 (ggc_add_tree_varray_root): Declare.
23084 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23085 inconsistencies when GC'ing.
23086 * rtl.c: Include ggc.h.
23087 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23088 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23089 (rtx_free): Don't call obstack_free when GC'ing.
23090 * toplev.c (rest_of_compilation): Call ggc_collect after every
23092 * tree.c (push_obstacks): Do nothing, if GC'ing.
23093 (pop_obstacks_nochange): Likewise.
23094 (pop_obstacks): Likewise.
23095 (make_node): Use ggc_alloc_tree when GC'ing.
23096 (copy_node): Likewise.
23097 (get_identifier): Use ggc_alloc_string when GC'ing.
23098 (build_string): Likewise.
23099 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23100 (tree_cons): Likewise.
23101 (build1): Likewise.
23102 (type_hash_canon): Don't call obstack_free when GC'ing.
23104 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23106 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23107 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23109 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23110 Bernd Schmidt <bernds@cygnus.co.uk>
23111 Mark Mitchell <mark@codesourcery.com>
23113 * Makefile.in (stor-layout.o): Depend on ggc.h.
23114 (expr.o): Depend on ggc.h.
23115 (profile.o): Depend on ggc.h.
23116 (stor-layout.o): Depend on ggc.h.
23117 * emit-rtl.c (init_emit_once): Add gc roots.
23118 * expr.c: Include ggc.h.
23119 (emit_block_move): Add gc roots.
23120 (clear_storage): Likewise.
23121 * expr.h (init_stor_layout_once): New function.
23122 * profile.c: Include ggc.h.
23123 (init_arc_profiler): profiler_label is a root.
23124 * scan.c (make_sstring_space): Trust xrealloc to function
23125 correctly with first parameter NULL.
23126 * stor-layout.c: Include ggc.h.
23127 (set_sizetype): Add gc root.
23128 (init_stor_layout_once): New function.
23129 * toplev.c (compile_file): Call it.
23131 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23132 Bernd Schmidt <bernds@cygnus.co.uk>
23133 Mark Mitchell <mark@codesourcery.com>
23135 * Makefile.in (tree.o): Depend on ggc.h.
23136 (varasm.o): Likewise.
23137 (function.o): Likewise.
23138 (stmt.o): Likewise.
23139 (except.o): Likewise.
23140 (optabs.o): Likewise.
23141 (emit-rtl.o): Likewise.
23142 * emit-rtl.c: Include ggc.h.
23143 (sequence_element_free_list): Remove, and all references.
23144 (mark_sequence): New functions.
23145 (mark_emit_state): New function.
23146 * except.c: Include ggc.h.
23147 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23148 (mark_tree_label_node): New functions.
23149 (mark_eh_state): New function.
23150 * function.c: Include ggc.h.
23151 (mark_temp_slot, mark_function_chain): New functions.
23152 (mark_function_state): New function.
23153 (init_function_once): New function.
23154 * function.h (init_function_once): New function.
23155 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23156 * ggc.h (label_node): Declare.
23157 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23158 (lang_mark_false_label_stack): New function.
23159 (mark_temp_slot): Remove declaration.
23160 (mark_function_chain): Likewise.
23161 (mark_eh_state): Adjust prototype.
23162 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23164 * optabs.c: Include ggc.h.
23165 (mark_optab): New function.
23166 (init_optabs): Add gc roots.
23167 * stmt.c: Include ggc.h.
23168 (mark_cond_nesting, mark_loop_nesting): New functions.
23169 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23170 (mark_stmt_state): New function.
23171 * toplev.c (compile_file): Call init_function_once.
23172 * tree.c: Include ggc.h.
23173 (type_hash): Move declaration earlier in file.
23174 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23175 (init_obstacks): Add gc roots.
23176 (mark_type_hash): New function.
23177 * varasm.c: Include ggc.h.
23178 (mark_pool_constant): New function.
23179 (mark_varasm_state): New function.
23181 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23183 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23185 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23187 * c-decl.c (struct language_function): Renamed from struct c_function.
23189 (c_function_chain): Delete.
23190 (push_c_function_context): New arg F. Don't warn about nested
23191 functions here. Fill LANGUAGE elt of F. Delete code to update
23192 c_function_chain. Don't call push_function_context.
23193 (pop_c_function_context): New arg F. Restore from there instead of
23194 from c_function_chain. Don't call pop_function_context. Clear out
23195 LANGUAGE field of F when done.
23196 * c-lang.c: Include "function.h"
23197 (lang_init): Initialize save_lang_status and restore_lang_status.
23198 * c-parse.in (nested_function, nested_function_notype): Warn about
23199 nested functions. Call push_function_context/pop_function_context
23200 instead of the _c_ variants.
23201 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23203 * Makefile.in (c-lang.o): Update dependencies.
23205 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23206 regno_pointer_flag, regno_pointer_align.
23207 (gen_reg_rtx): Use xrealloc to enlarge them.
23208 (free_emit_status): New function.
23209 * function.c (mark_machine_status, mark_lang_status): New variables.
23210 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23211 in some bits from assign_stack_local. All callers changed to use new
23213 (assign_stack_local): Just call assign_stack_local_1.
23214 (free_after_compilation): New function.
23215 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23216 (trampoline_address): Likewise.
23217 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23218 (prepare_function_start): Explicitly clear some more variables.
23219 * function.h (struct function): New elt can_garbage_collect.
23220 (mark_machine_status, mark_lang_status): Declare variables.
23221 (free_after_compilation, free_emit_status, free_varasm_status,
23222 init_varasm_status): Declare functions.
23223 * toplev.c (rest_of_compilation): Call free_after_compilation when
23224 done with the current function.
23225 * varasm.c (free_varasm_status): New function.
23227 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23229 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23230 (EXPAND_BUILTIN_VA_ARG): Define.
23231 * sparc.c (sparc_va_start): New.
23232 (sparc_va_arg): New.
23234 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23236 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23238 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23240 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23242 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23244 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23245 (OBJS): Add $(GGC).
23246 (ggc-callbacks.o): New target.
23247 * ggc-callbacks.c: New file.
23249 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23251 * expr.h: Collapse individual optab and libfunc vars to arrays.
23252 (optab_index, libfunc_index): New enumerations.
23253 (optab_table, libfunc_table): New arrays.
23254 Add accessor macros for both.
23256 * optabs.c (optab_table, libfunc_table): New.
23257 Delete declarations for individual optab and libfunc vars.
23259 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23261 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23263 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23265 * Makefile.in (GGC, GGC_LIB): New.
23266 (HOST_RTL): Include ggc-none.o.
23267 (ggc-simple.o): New target.
23268 (ggc-none.o): Likewise.
23269 * tree.h (tree_common): Add gc_mark.
23270 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23271 (struct rtvec_def): Add gc_mark.
23272 * emit-rtl.c (global_rtl): Update static initializers to contain
23273 enough initializers.
23274 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23275 * toplev.c (gc_time): New variable.
23276 (all_time): New variable.
23277 (compile_file): Print gc time.
23278 (print_time): Calculate percentage of the whole.
23280 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23282 Change obstack memory management and varasm constant pool handling so
23283 that nested functions are treated like any other functions.
23284 * function.c (init_machine_status): New variable.
23285 (push_function_context_to): Set contains_functions for the outer
23286 function. Don't call save_varasm_status.
23287 (pop_function_context_from): Don't call restore_varasm_status. Don't
23288 set current_function_contains_functions.
23289 (prepare_function_start): Call init_varasm_status rather than
23290 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23292 * function.h (struct function) Add field varasm. Delete fields
23293 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23294 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23295 (init_machine_status): Declare.
23296 (save_varasm_status, restore_varasm_status): Delete declarations.
23297 (save_tree_status, restore_tree_status): Delete last argument.
23298 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23299 code. All callers changed.
23300 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23301 save_constants_in_decl_trees, restore_constants, save_constants,
23302 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23304 (inlining): New variable.
23305 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23306 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23308 (save_for_inline_nocopy): Don't save constants.
23309 Don't set inl_emit field in current_function.
23310 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23311 function. Set new variable inlining before
23312 calling copy_rtx_and_substitute.
23313 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23314 constant pool references if inlining is nonzero.
23315 Delete ADDRESS and (most of the) CONST cases.
23316 (output_inline_function): Save and restore current_function/
23317 current_function_decl. Delete restore_constants code. Don't call
23318 init_const_rtx_hash_table.
23319 * output.h (init_const_rtx_hash_table): Don't declare.
23320 * rtl.h (struct function): Declare.
23321 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23322 * toplev.c (rest_of_compilation): Don't treat nested functions or
23323 functions containing them specially. Delete all code to deal with
23324 save_for_inline_copying.
23325 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23326 inline_obstacks): Delete variables.
23327 (save_tree_status): Lose arg CONTEXT. All callers changed.
23328 Simply allocate a new function_maybepermanent_obstack for the new
23329 function, delete all the special cases.
23330 Don't save inline_obstacks.
23331 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23332 Delete special handling for function_maybepermanent_obstack; simply
23334 Don't restore inline_obstacks.
23335 (permanent_allocation): Delete code that frees inline_obstacks.
23336 (print_inline_obstack_statistics): Delete function.
23337 (dump_tree_statistics): Don't call it.
23338 * varasm.c (struct varasm_status): New.
23339 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23340 last_pool, pool_offset, const_double_chain): Delete global
23341 variables, replace with accessor macros.
23342 (immed_double_const): Don't walk const_double_chain outside a
23343 function, but don't treat nested functions specially anymore.
23344 (immed_real_const_1): Likewise.
23345 (clear_const_double_mem): Don't treat nested functions specially.
23346 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23347 (save_varasm_status, restore_varasm_status): Delete functions.
23348 (init_varasm_status): New function.
23349 (force_const_mem): Don't treat nested functions specially.
23350 (find_pool_constant): Accept new arg F, search for constants in
23351 that function's pool rather than the current one. All callers
23353 (get_pool_constant_for_function, get_pool_mode_for_function): New
23356 * i386.c (init_386_machine_status): New function, mostly from
23357 clear_386_stack_locals.
23358 (struct machine_functions): Rename element names to avoid name
23360 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23361 macros, replacing global variables.
23362 (clear_386_stack_locals, save_386_machine_status,
23363 restore_386_machine_status): Delete functions.
23364 (override_options): Initialize init_machine_status.
23365 * i386.h (INIT_EXPANDERS): Delete macro.
23366 (save_386_machine_status, restore_386_machine_status,
23367 clear_386_stack_locals): Delete declarations.
23369 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23371 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23372 (doloop_begin): Simplify pattern and use emit_jump_insn.
23373 (doloop_end): Simplify pattern, switch operand order,
23374 and use emit_jump_insn.
23376 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23378 * function.h (struct function): Add new element LANGUAGE.
23379 (save_lang_status): Declare new variable.
23380 (restore_lang_status): Likewise.
23381 * function.c (save_lang_status): Define.
23382 (restore_lang_status): Likewise.
23383 (push_function_context_to): Call language-specific save function.
23384 (pop_function_context_from): Call language-specific restore function.
23386 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23388 * i386.md (movsf_1): Check REG_P before use of REGNO.
23389 (movdf_1): Likewise.
23390 (movxf_1): Likewise.
23391 (extendsfdf2): Likewise.
23392 (extendsfxf2): Likewise.
23393 (extenddfxf2): Likewise.
23395 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23397 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23398 constants into memory.
23399 (c4x_shiftable_constant): New function.
23400 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23401 (c4x_shiftable_constant): Declare.
23402 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23403 ashlqi3_noclobber): Add new patterns and associated splitters.
23405 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23407 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23408 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23409 * final.c (shorten_branches): Likewise.
23410 * global.c (global_alloc): Likewise.
23411 * haifa-sched.c (build_control_flow): Likewise.
23412 * stmt.c (check_for_full_enumeration_handling): Likewise.
23413 (estimate_case_costs): Likewise.
23415 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23417 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23419 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23421 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23422 (recompute_reg_usage): Likewise.
23423 * rtlanal.c (find_regno_fusage): Likewise.
23425 * rtl.c (rtl_check_failed_code1): New function.
23426 (rtl_check_failed_code2): New.
23427 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23428 (RTL_CHECKC1, RTL_CHECKC2): New.
23429 (XC*): New accessor macros.
23430 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23431 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23432 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23433 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23434 (TRAP_*, RANGE_INFO_*): Likewise.
23436 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23438 * Makefile.in (tlink.o): Don't depend on toplev.h.
23440 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23441 output_file, nm_file_name, ldd_file_name, strip_file_name,
23442 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23443 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23444 fork_execute, maybe_unlink, add_to_list,
23445 extract_init_priority, write_list, dump_list,
23446 dump_prefix_list, write_list_with_asm, write_c_file,
23447 write_c_file_stat, write_c_file_glob, scan_prog_file,
23448 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23449 ignore_library, extract_string, notice, dump_file, target_machine,
23450 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23451 read_file, print_load_command): Constify a char*.
23452 (fdopen, error, fatal, fatal_perror): Don't prototype.
23453 (my_strerror): Remove. All callers use xstrerror instead.
23454 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23455 (main): Add prototype. Constify lots of char* ptrs. Change calls
23456 to xcalloc/strcpy/strcat/... to one call to concat.
23457 (main, scan_prog_file, scan_libraries): Use an intermediate
23458 `const char **' to build an argv array.
23459 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23461 * collect2.h (collect_execute, collect_wait, dump_file,
23462 file_exists): Constify a char*.
23463 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23464 temporary_firstobj, vflag, debug): Add extern declarations.
23465 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23467 * tlink.c: Don't include toplev.h.
23468 (vflag, debug, ldout, c_file_name, temporary_obstack,
23469 permanent_obstack, temporary_firstobj): Don't declare.
23470 (tlink_execute, frob_extension, symbol_hash_lookup,
23471 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23472 recompile_files, read_repo_files, demangle_new_symbols,
23473 scan_linker_output): Constify a char*.
23474 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23475 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23477 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23479 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23480 (relative) rather than jsr (absolute) subroutine call insns.
23481 * config/m68k/m68k-coff.h: Ditto.
23483 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23485 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23486 now rework these too.
23487 (arm_reorg): If an insn can't reach the end of the current pool,
23488 ensure that we emit that pool before the insn.
23490 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23492 * tlink.c (scan_linker_output): Skip the initial underscore in
23493 a mangled name if appropriate.
23495 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23497 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23498 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23499 error_with_ivar, gen_declarator, create_builtin_decl,
23500 my_build_string, generate_descriptor_table, generate_ivars_list,
23501 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23502 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23503 dump_base_name, lang_decode_option, build_encode_expr,
23504 start_class, finish_class, encode_pointer, really_start_method,
23505 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23507 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23508 Add static prototypes.
23509 (build_objc_string_decl, build_selector_reference_decl,
23510 encode_bitfield, build_class_reference_decl): Remove unused
23511 parameter, all callers changed.
23512 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23513 (objc_printable_name): Likewise. Change second parameter to type int.
23514 (init_objc): Use memcpy, not bcopy, to avoid casts.
23516 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23518 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23519 reg notes on a deleted insn.
23520 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23522 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23524 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23526 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23528 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23531 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23533 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23534 * tm.texi (MD_ASM_CLOBBERS): Document it.
23536 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23538 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23539 * except.c (expand_rethrow): Remove unused variable.
23540 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23541 * flow.c (replace_insns): Likewise.
23542 (create_edge_list, verify_edge_list): Likewise.
23543 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23545 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23546 is special code to run.
23547 (main): Don't define operands to emit_operand.
23548 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23550 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23552 * alpha/alpha.h (normal_memory_operand): Declare.
23553 (reg_no_subreg_operand): Declare.
23554 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23556 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23558 * c-parse.in (compstmt_primary_start): New, broken out of first
23559 part of compstmt handling in primary.
23560 (primary): Use it. Add an error clause.
23561 (compstmt_nostart): Renamed from compstmt; remove all
23562 initial invocations of compstmt_start.
23565 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23567 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23570 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23572 * combine.c (simplify_shift_const): Remove extra semicolon.
23573 * dwarf2out.c (remove_AT): Likewise.
23574 * expmed.c (expand_mult): Likewise.
23575 * gcov.c (create_program_flow_graph): Likewise.
23576 * reorg.c (mostly_true_jump): Likewise.
23578 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23580 * fold-const.c (fold_range_test): Do not try to fold the range
23581 test if the rhs or lhs has side effects.
23583 * combine.c (simplify_rtx): Recognize another case of a synthesized
23586 * varasm.c (mark_constant_pool): When marking indirect references,
23587 only look at SYMBOL_REFs.
23589 * except.c (expand_fixup_region_end): Do not peek at
23590 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23592 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23594 * flags.h: New variables align_loops, align_loops_log,
23595 align_jumps, align_jumps_log, align_labels, align_labels_log,
23596 align_functions, align_functions_log.
23597 * toplev.c: Define them.
23598 (f_options): Handle -falign-* when they have no argument.
23599 (main): Add logic to set variables for -falign-functions,
23600 -falign-jumps, -falign-labels, -falign-loops.
23601 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23602 (display_help): Change help to match options.
23603 * final.c (LABEL_ALIGN): Default to align_labels_log.
23604 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23605 (LOOP_ALIGN): Default to align_loops_log.
23606 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23607 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23608 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23609 * varasm.c (assemble_start_function): Handle align_functions.
23611 * config/sparc/sparc.h: Don't declare sparc_align_*.
23612 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23613 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23615 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23617 * config/sparc/sparc.c: Delete sparc_align_loops,
23618 sparc_align_jumps, sparc_align_funcs and the corresponding string
23620 (sparc_override_options): Default align_functions on ultrasparc.
23621 Delete -malign-* handling.
23623 * config/mips/mips.c (override_options): On 64-bit targets,
23624 try to align code to 64-bit boundaries.
23625 (print_operand): New substitution, %~,
23626 which aligns labels to align_labels_log.
23627 * config/mips/mips.md (div_trap_normal): Use %~.
23628 (div_trap_mips16): Likewise.
23630 (absdi2): Likewise.
23631 (ffssi2): Likewise.
23632 (ffsdi2): Likewise.
23633 (ashldi3_internal): Likewise.
23634 (ashrdi3_internal): Likewise.
23635 (lshrdi3_internal): Likewise.
23636 (casesi_internal): Likewise.
23638 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23640 Merge new ia32 backend from the branch!
23642 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23643 See ChangeLog.P2 on new_ia32_branch for details.
23645 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23646 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23647 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23648 * i386/gas.h (ASM_FILE_START): Define.
23649 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23650 for name change of ix86_valid_decl_attribute_p.
23651 (i386_pe_valid_type_attribute_p): Similarly.
23653 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23655 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23656 to step through CC modes.
23658 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23660 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23661 it would end up in the shadow of a live flags regsiter.
23663 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23665 * reload1.c: Fix many indentation problems.
23666 * reload.c: Likewise.
23668 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23670 * alias.c (non_local_reference_p): Constify fmt.
23672 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23674 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23676 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23678 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23679 the internal_arg_pointer.
23681 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23683 Merge peephole2 from new_ia32_branch:
23684 * Makefile.in (STAGESTUFF): Add *.peephole2.
23685 (mostlyclean): Likewise.
23686 (recog.o): Depend on resource.h.
23688 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23689 (final_scan_insn): Likewise for the invocation of peephole.
23690 * genconfig.c (main): Look for peephole and peephole2 patterns.
23691 Emit HAVE_peephole* accordingly.
23692 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23693 * flags.h (flag_peephole2): Declare.
23694 * toplev.c: New pass peephole2. New flag -fpeephole2.
23696 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23697 * gencodes.c (main): Likewise.
23698 * genextract.c (main): Likewise.
23699 * genoutput.c (main): Likewise.
23700 * genemit.c (max_operand_1): Look for the max scratch operand.
23701 (gen_rtx_scratch): New.
23702 (gen_exp): Use it, and pass on new arg subroutine_type.
23703 (gen_expand): Take max scratch into account.
23704 (gen_split): Emit peephole2 functions.
23705 (output_peephole2_scratch): New.
23706 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23707 * genrecog.c (routine_type): Add PEEPHOLE2.
23709 (make_insn_sequence): Match outer parallel for peep2. Discard
23710 top level scratches and dups.
23711 (add_to_sequence): New args insn_type and top. Update all callers.
23712 Handle toplevel peep2 matching insns.
23713 (write_subroutine): Handle peep2.
23714 (write_tree_1): Likewise.
23715 (write_tree): Likewise.
23717 (change_state): New arg afterward. Update all callers.
23718 Handle matching separate insns.
23719 * recog.c (recog_next_insn): New.
23720 (peephole2_optimize): New.
23721 * rtl.def (DEFINE_PEEPHOLE2): New.
23722 * resource.c (find_free_register): New argument last_insn. Use it
23723 to find a register available through the entire span.
23724 * resource.h (find_free_register): Update prototype.
23726 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23728 * i386.c (output_strlen_unroll): Don't write xops[7]
23729 label if it wasn't set.
23731 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23733 * cpplib.c (struct directive): Const-ify name pointer and
23734 function pointer prototype.
23735 (validate_else, do_define, do_line, do_include, do_undef,
23736 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23737 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23738 do_warning): Const-ify second arg.
23739 (directive_table): Mark const. Reorder entries by frequency
23740 of usage, record statistics.
23742 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23744 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23745 bounds- check RTL accesses if --enable-checking.
23746 (RTVEC_ELT): Bounds check if --enable-checking.
23747 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23748 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23749 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23751 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23752 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23754 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23755 (NOTE_SOURCE_FILE): Use X0STR.
23756 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23757 MEM_ALIAS_SET): Use X0INT.
23758 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23759 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23761 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23762 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23763 (rtl_check_failed_bounds, rtl_check_failed_type1,
23764 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23766 (fancy_abort): Fix comment.
23768 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23769 (cse_insn): Decrement LABEL_NUSES for jump target before
23770 deleting jump insn.
23771 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23772 * final.c (alter_subreg): Compute regno before changing x to
23773 REG; set REGNO(x) after changing it.
23774 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23775 notes containing CONST_INTs.
23776 (delete_eh_regions): Use NOTE_EH_HANDLER.
23777 * function.c (put_reg_into_stack): Make reg a MEM before
23779 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23781 (gen_mem_addressof): Make reg a MEM before initializing it.
23782 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23784 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23785 deleting an insn, not after.
23786 (block_alloc): Only look at PATTERN(insn) if we have to, and
23787 only if it's format class 'i'.
23788 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23789 CONST_INT before using its INTVAL.
23790 * print-rtl.c (print_rtx): Use X0STR.
23791 * regmove.c (fixup_match_1): Don't look at PATTERN of
23792 non-class-'i' insn chain elements.
23793 * reload.c (loc_mentioned_in_p): Take address of
23794 in->fld[1].rtx directly.
23795 * reload1.c (reload): Change reg to a MEM before initializing
23797 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23799 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23801 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23803 * config/mips/mips.c (machine_dependent_reorg): Force a
23804 barrier to output the local constant pool if a barrier hasn't
23805 been found at a natural point in the instruction stream.
23807 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23809 * c-parse.in (language_string): Constify.
23811 * dwarf2out.c (language_string): Remove declaration.
23813 * dwarfout.c (language_string): Likewise.
23815 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23817 * tree.h (language_string, init_parse, finish_parse): Declare.
23819 * i386/sun386.h (language_string): Remove declaration.
23821 * mips.h (language_string): Likewise.
23823 * nextstep.h (language_string): Likewise.
23825 * nextstep21.h (language_string): Likewise.
23827 * rs6000.c (language_string): Likewise.
23829 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23831 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23832 (getpwd.o): Remove target.
23834 * getpwd.c: Delete file. Its in libiberty now.
23836 * dbxout.c (getpwd): Don't prototype.
23837 * dwarf2out.c (getpwd): Likewise
23838 * dwarfout.c (getpwd): Likewise
23839 * final.c (getpwd): Likewise.
23840 * protoize.c (getpwd): Likewise.
23842 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23844 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23846 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23848 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23849 mark_set_resources.
23851 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23853 * fixinc/Makefile.in (subdir): New.
23854 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23857 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23859 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23860 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23863 * invoke.texi: Fix typo.
23865 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23866 changed. Handle autoincrement addressing modes.
23868 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23869 just like we would the virtual incoming args register when
23872 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23874 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23875 path, in .file directive.
23877 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23879 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23882 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23884 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23887 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23889 * tree.c (tree_code_name): Constify a char*.
23891 * tree.h (tree_code_name, decl_printable_name): Likewise.
23893 * function.h (struct function): Likewise.
23895 * toplev.c (decl_name, decl_printable_name): Likewise.
23897 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23899 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23900 (init_objc): Remove function pointer cast.
23902 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23904 * pa.md (interspace_jump): New pattern.
23905 (builtin_longjmp): New expander.
23907 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23909 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23910 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23911 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23913 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23915 * jump.c (delete_prior_computation): Also check calls
23916 to constant functions. Don't bother checking for a
23917 REG_UNUSED note before adding it.
23918 (delete_computation): Handle multi-word hard registers
23919 when synthesizing missing REG_DEAD notes for a register
23920 which is both set and used by an insn.
23922 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23924 * loop.c (this_loop_info): New variable.
23925 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23926 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23928 (prescan_loop, strength_reduce): New argument loop_info. All callers
23930 (scan_loop): New variable loop_info, initialise to address of
23932 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23933 Delete variable loop_has_multiple_exit targets and replace with
23934 field in this_loop_info.
23935 (find_and_verify_loops): Rename this_loop to this_loop_num.
23936 (strength_reduce): Delete loop_iteration_info. Replace variable
23937 loop_info with function argument of same name.
23938 (insert_bct): Rework test for loop being completely unrolled.
23940 * loop.h (struct loop_info): New fields num, loops_enclosed,
23941 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23942 has_indirect_jump, and cont. Redefine use of unroll_number.
23943 (loop_unroll_number): Delete.
23945 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23946 field of loop_info.
23947 (loop_iterations): Delete variable vtop and instead use
23948 loop_info->vtop computed in prescan_loop.
23950 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23952 * fix-header.c (main): Do not pass a null pointer to strcmp.
23954 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23956 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23958 * configure: Rebuilt.
23960 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23962 * jump.c (jump_optimize_1): Do not delete assignments to
23963 internal_arg_pointer.
23964 * cse.c (delete_trivially_dead_insns): Always consider a set of
23965 the internal_arg_pointer live.
23967 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23969 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23970 (update_life_info) [REG_WAS_0]: Search the original insns rather
23971 than the new insns for the note. Fix typos finding note_dest.
23972 If no dest found, discard the note rather than abort.
23973 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23974 (replace_insns): Remove the old insn list after update_life_info
23977 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23979 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23980 sched_analyze_insn.
23981 (sched_analyze_1): Let add_dependence care for not adding dups.
23982 (sched_analyze_2): Likewise.
23983 (add_branch_dependences): Likewise.
23985 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23987 * i386/winnt.c (export_list): New type.
23988 (exports_head): Rename to
23989 (export_head): this.
23990 (i386_pe_record_exported_symbol): Add is_data flag.
23991 (i386_pe_asm_file_end): Emit directive for exported variables.
23992 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23994 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23995 (ASM_DECLARE_OBJECT_NAME): Likewise.
23996 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23997 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23999 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24001 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24003 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24006 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24008 * config/openbsd.h: Define SET_ASM_OP.
24009 * tm.texi: cross-reference SET_ASM_OP in the index.
24011 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24013 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24014 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24015 and class_narrowest_mode at compile time. Kill init_rtl.
24016 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24017 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24018 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24020 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24022 * rtl.h: Declare rtx_length and rtx_format as const.
24023 * machmode.def: Define CC(). Use CC() to define CCmode. If
24024 EXTRA_CC_MODES is defined, expand it here.
24025 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24026 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24027 const. Kill all references to EXTRA_CC_MODES.
24029 * toplev.c: Don't prototype or call init_rtl.
24030 * optabs.c: Don't call init_mov_optab.
24031 * genemit.c: Don't generate init_mov_optab. Don't call
24033 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24035 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24036 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24037 genrecog.c: Don't call init_rtl.
24039 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24040 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24041 definition of EXTRA_CC_MODES.
24043 * md.texi: Kill ref to EXTRA_CC_NAMES.
24044 * tm.texi: Document new way to define EXTRA_CC_MODES.
24046 * genrecog.c: Do not look up the name of a define_split.
24047 (Unrelated bugfix.)
24049 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24051 * config/v850/v850.md: Fix typo introduced by previous delta.
24053 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24055 * gcc.c (fatal): Make definition static to match prototype.
24057 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24059 * combine.c (get_last_value): Don't look for earlier sets if the last
24060 known set is somewhere in between the insns being combined.
24062 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24064 * configure.in: Don't use shell ! to negate exit codes
24065 * configure: Regenerate
24067 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24069 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24070 the fact that ALIGN is measured in bits, not bytes.
24072 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24074 * errors.c: New file; defines functions error, warning, and
24075 fatal, variables have_error and progname.
24076 * errors.h: New file; prototypes and decls for stuff in errors.c.
24078 * Makefile: Add rules to build errors.o and
24079 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24080 genopinit, genrecog, genextract, genpeep, genattr, and
24081 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24082 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24083 genpeep.o, genattr.o, and genoutput.o.
24085 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24086 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24087 define or prototype fatal. Set progname at beginning of main.
24088 * genoutput.c: Likewise, and don't define or prototype error
24091 * c-typeck.c (c_expand_start_case): Return immediately if exp
24093 * fold-const.c (operand_equal_p): Return immediately if arg1
24094 or arg0 are ERROR_MARKs.
24095 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24096 fields of type ERROR_MARK when calculating if the record can
24099 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24100 with much help from Jeffrey A Law and Richard Henderson
24102 * i386.md: In the 6 insns which call output_fix_trunc,
24103 earlyclobber operands[0].
24105 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24107 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24108 creating new registers.
24110 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24112 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24113 i386_reg_alloc_order, i386_regparm_string,
24114 i386_align_loops_string, i386_align_jumps_string,
24115 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24116 and i386_branch_cost_string as type "const char *".
24117 * i386.c: Define all above strings as type "const char *".
24119 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24121 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24122 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24124 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24126 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24127 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24129 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24131 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24132 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24133 (dwarf2out_line, dwarf2out_finish): Likewise.
24134 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24136 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24138 * tree.c (lang_unsave_expr_now) : Correct return type.
24139 * tree.h (lang_unsave_expr_now) : Same.
24141 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24143 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24144 instead of duplicating code.
24146 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24148 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24150 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24152 * tree.h: fancy_abort always takes three args.
24153 * resource.c: Move include of system.h before toplev.h.
24155 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24157 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24160 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24162 * system.h: Don't redefine abort or trim_filename.
24163 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24164 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24165 whether or not __FUNCTION__ is available.
24166 * tree.h: Duplicate rtl.h's definition of abort, for files
24167 that don't include rtl.h. Delete all code to perform type
24168 checking with a compiler other than GCC.
24169 * varray.h: Delete all code to perform type checking with a
24170 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24171 its arguments exactly once, using a statement expression.
24172 Adjust the VARRAY_<type> accessor macros to match.
24173 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24174 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24175 caller's location. Define fatal_insn and fatal_insn_not_found
24176 as macros that use _fatal_insn and _fatal_insn_not_found.
24177 (fancy_abort, trim_filename): Kill prototypes.
24179 * rtl.c (trim_filename): Move here from toplev.c.
24180 (fancy_abort): New function.
24181 (DIR_SEPARATOR): Provide default definition.
24182 * tree.c (tree_check_failed, tree_class_check_failed): Go
24183 through fancy_abort.
24184 (tree_check, tree_class_check, cst_or_constructor_check,
24185 expr_check): Delete.
24186 * varray.c (varray_check_failed): New function.
24187 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24188 _fatal_insn and _fatal_insn_not_found. Go through
24190 (trim_filename, fancy_abort): Delete.
24192 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24193 * except.c (start_catch_handler): Report ICE with error/abort
24195 * final.c (output_operand_lossage): Likewise.
24196 * flow.c (verify_flow_info): Likewise.
24198 * gcc.c: Prototype fatal.
24199 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24200 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24201 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24202 Don't define fancy_abort.
24204 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24206 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24209 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24211 * m88k.h (VERSION_INFO2): Kill.
24212 (VERSION_STRING): Kill.
24214 (VERSION_INFO1): Tidy.
24215 (TARGET_VERSION): Update.
24216 * m88k/dgux.h (VERSION_INFO2): Kill.
24217 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24218 * m88k/luna.h (VERSION_INFO1): Tidy.
24219 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24220 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24221 (output_file_start): Adjust for death of VERSION_STRING.
24223 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24225 * cpplib.c (detect_if_not_defined): New function.
24226 (do_if): Use it to detect potential once-only headers.
24228 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24230 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24232 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24234 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24235 anywere in the function only if they are pseudos and set before
24236 being used (not live at the start of the function).
24237 (num_sign_bit_copies) : Same.
24238 (get_last_value_validate) : Same.
24239 (get_last_value) : Same.
24241 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24243 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24244 where N and M are constant and N is an integer multiple of M.
24246 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24248 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24249 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24250 sbitmap_union_of_preds): Add prototypes.
24251 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24252 the intersection of successors with the new flow graph structures.
24253 (sbitmap_intersection_of_preds): New function to compute the
24254 intersection of predecessors with the new flow graph structures.
24255 (sbitmap_union_of_succs): New function to compute the union of
24256 successors with the new flow graph structures.
24257 (sbitmap_union_of_preds): New function to compute the union of
24258 predecessors with the new flow graph structures.
24259 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24260 (expr_reaches_here_p): Use edge and basic_block structures instead
24261 of s_preds and s_succs.
24262 (compute_cprop_avinout): Use new sbitmap routines.
24263 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24264 of s_preds and s_succs.
24265 * flow.c (compute_flow_dominators): Compute dominators using
24266 edges and basic blocks instead of s_preds and s_succs.
24268 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24270 * lists.c (unused_insn_list, unused_expr_list): New file for
24271 maintaining various types of lists. New statics for maintaining a
24272 cache of available INSN_LIST and EXPR_LIST nodes.
24273 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24274 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24275 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24276 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24277 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24278 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24279 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24280 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24281 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24282 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24283 (remove_dependence, free_pending_lists): Use new global routines.
24284 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24285 (sched_analyze, compute_block_backward_dependences): Use new routines.
24286 (sched_analyze_1, sched_analyze_2): Use new routines.
24287 (schedule_insns): Use new global routines.
24288 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24290 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24291 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24293 * toplev.c (rest_of_compilation): Initialize node cache.
24294 * Makefile.in (OBJS): Add lists.o to list of object files.
24295 (lists.o): Add dependancies.
24297 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24299 * config/v850/v850.md: Fix compile time warning messages.
24300 * config/v850/v850.c: Fix compile time warning messages.
24301 * config/v850/v850.h: Fix compile time warning messages.
24303 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24305 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24306 Remove unused prototype for `init_lengths'.
24308 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24310 * calls.c (emit_call_1): Mark parameter `stack_size' with
24312 (expand_call): Initialize variable `insn'.
24313 (emit_library_call): Likewise for variable `high_to_save'.
24314 (emit_library_call_value): Likewise.
24315 (store_one_arg): Likewise for variables `lower_bound' and
24318 * combine.c (try_combine): Likewise for variables `i2_code_number'
24319 and `other_code_number'.
24320 (find_split_point): Likewise for variables `pos', `unsignedp' and
24322 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24323 (simplify_and_const_int): Remove unused variable `width'.
24324 (merge_outer_ops): Likewise.
24326 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24327 HOST_WIDE_INT' when comparing against one.
24328 (simplify_relational_operation): Likewise.
24329 (cse_insn): Initialize variables `src_eqv_volatile',
24330 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24332 * final.c (init_final): Constify parameter `filename'.
24333 (final_start_function): Mark parameter `optimize' with
24335 (profile_function): Likewise for parameters `first' and `optimize'.
24336 (output_source_line): Likewise for parameter `file'.
24338 * integrate.c (subst_constants): Cast a value to `size_t' when
24339 comparing against one.
24340 (mark_stores): Initialize variable `mode'. Cast a value to
24341 `size_t' when comparing against one.
24343 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24345 * loop.c (move_movables): Initialize variable `first'.
24346 (strength_reduce): Likewise for variable `increment'.
24347 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24348 value to `size_t' when comparing against one.
24349 (load_mems): Initialize variable `end_label'.
24351 * output.h (init_final): Constify parameter.
24353 * reload.c (decompose): Initialize variable `base'.
24355 * reload1.c (reload): Likewise for variable `is_scalar'.
24356 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24357 (choose_reload_regs): Initialize variable `mode'.
24358 (emit_reload_insns): Likewise for variable `store_insn'.
24359 (reload_cse_noop_set_p): Mark parameter `insn' with
24361 (reload_combine): Initialize variable `set'.
24363 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24364 (copy_loop_body): Cast a value to `size_t' when comparing against
24367 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24368 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24369 (remove_from_pending_weak_list): Mark parameter `name' with
24372 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24374 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24377 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24379 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24380 (ASM_DECLARE_FUNCTION_NAME): Define.
24381 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24382 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24383 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24384 not already defined.
24386 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24388 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24389 of n_popped when call/call_value are not defined.
24391 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24393 * tm.texi: GNU CC -> GCC conversion.
24394 (CC1_SPEC): Indicate it is used for all language front ends.
24396 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24398 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24399 NOTE_INSN_EH_REGION_END correctly.
24401 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24402 Jeff Law <law@cygnus.com>
24404 * loop.c (strength_reduce): Automatically unroll loops if the
24405 unrolled loop size is smaller than the rolled loop size.
24407 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24408 and delete comment that code should be rewritten.
24410 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24412 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24415 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24417 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24419 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24420 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24421 (LINK_SPEC): Add -u _main when building executables.
24422 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24423 (ASM_FILE_END): Use the default for ix86-pe.
24424 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24426 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24428 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24429 and ASM_CLOSE_PAREN are empty strings.
24431 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24432 Geoffrey Keating <geoffk@cygnus.com>
24434 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24435 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24436 (unprotoize.o): Ditto.
24437 (test-protoize-simple): Don't define STD_PROTO_DIR.
24438 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24439 changes to make 'test-protoize-simple' pass.
24440 (STD_PROTO_DIR): Remove define.
24441 (STANDARD_EXEC_PREFIX): Supply default define.
24442 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24443 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24444 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24445 (GET_ENV_PATH_LIST): New macro.
24446 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24447 (do_processing): Initialize default_syscalls_dir using new
24448 macros. Use it to initialize syscalls_absolute_filename.
24450 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24452 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24453 B into a register before emit_conditional_move.
24455 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24457 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24458 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24459 multiplicand out of (+ (* a b) (* c d)).
24461 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24462 Richard Henderson <rth@cygnus.com>
24464 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24465 (new_insn_dead_notes): Likewise.
24466 (update_n_sets): Likewise.
24467 (update_flow_info): Move to flow.c, renamed to update_life_info;
24468 extend to handle multiple source insns.
24469 * flow.c: Include resource.h
24470 (unlink_insn_chain): New.
24471 (split_hard_reg_notes): New.
24472 (maybe_add_dead_note): New.
24473 (maybe_add_dead_note_use): New.
24474 (find_insn_with_note): New.
24475 (new_insn_dead_notes): New.
24476 (update_n_sets): New.
24477 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24478 (maybe_remove_dead_notes): New.
24479 (update_life_info): New.
24480 (prepend_reg_notes): New.
24481 (replace_insns): New.
24482 * output.h (update_life_info): Declare.
24483 * recog.c (split_block_insns): Use update_life_info.
24484 * resource.c (find_free_register): Use reg_alloc_order, don't use
24485 fixed regs, make sure the mode is supported, don't use new regs.
24487 * rtl.h (replace_insns): Declare.
24489 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24491 * expr.c (expand_expr): Cope with COND_EXPRs with one
24492 non-returning branch.
24494 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24496 * expr.c (store_expr): Always pass down the target, even when not
24499 1999-08-24 Nick Clifton <nickc@cygnus.com>
24501 * configure.in: Define target_cpu_default for v850 targets.
24502 * configure: Regenerate
24504 * config/v850/v850.h (TARGET_CPU_generic): Define.
24505 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24506 addresses are 4 byte aligned.
24508 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24511 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24513 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24514 (main): Add prototypes.
24516 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24517 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24518 (write_attr_get): Emit prototypes along with function definition.
24519 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24520 (write_complex_function): Emit static prototype along with
24521 function definition.
24523 * genemit.c (gen_split): Emit prototypes along with function
24526 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24527 Likewise for predicates and `insn_operand_predicate'.
24528 (process_template): Emit static prototype along with function
24531 * genrecog.c (make_insn_sequence): Constify a char*. Add
24532 prototypes for get_split_*().
24533 (write_subroutine): Emit prototypes along with function
24536 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24538 * gcse.c (find_avail_set): Follow chains of register-register copies.
24539 Use oprs_not_set_p to guarantee that the returned value can be
24541 (cprop_insn): Don't verify the return value of find_avail_set with
24544 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24545 (cprop_cc0_jump): New function.
24546 (cprop_insn): Break out new function cprop_jump and use it.
24547 Also use cprop_cc0_jump for machines with CC0.
24548 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24550 * tree.h (current_function_calls_setjmp,
24551 current_function_calls_longjmp): Delete declarations.
24552 * dsp16xx.c: Include "function.h".
24553 * elxsi.c: Likewise.
24554 * gmicro.c: Likewise.
24555 * h8300.c: Likewise.
24556 * i370.c: Likewise.
24557 * m32r.c: Likewise.
24558 * mn10200.c: Likewise.
24559 * mn10300.c: Likewise.
24560 * ns32k.c: Likewise.
24561 * spur.c: Likewise.
24562 * v850.c: Likewise.
24564 * rtl.h (rtx_equal_function_value_matters): Declare.
24565 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24567 * function.c: Likewise.
24568 * emit-rtl.c: Likewise.
24570 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24572 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24575 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24577 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24580 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24582 * cpp.texi: Add a node documenting macro varargs (copied
24585 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24587 * cppspec.c: Put a null pointer at the end of the new argv.
24589 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24591 * configure.in: Remove code to select/de-select the haifa
24592 scheduler. Every scheduled port gets haifa now.
24593 * configure: Rebuilt.
24594 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24596 * Makefile.in: Corresponding changes.
24598 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24600 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24601 All callers changed.
24602 (prepare_float_lib_cmp): Likewise.
24603 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24604 * expr.h (emit_float_lib_cmp): Delete declaration.
24605 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24606 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24607 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24609 (cmptf): Now conditional on TARGET_HARD_QUAD.
24611 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24613 * resource.c (mark_target_live_regs): Use
24614 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24616 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24618 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24620 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24622 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24624 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24626 * rtl.h (rtx_format): Constify a char*.
24628 * rtl.c (rtx_format): Likewise.
24629 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24630 (init_rtl): Use accessor macro, not `rtx_format'.
24632 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24635 * caller-save.c (mark_referenced_regs): Likewise.
24637 * combine.c (subst, make_compound_operation, known_cond,
24638 gen_rtx_combine, update_table_tick, get_last_value_validate,
24639 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24641 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24642 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24643 count_reg_usage): Likewise.
24645 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24648 * final.c (leaf_renumber_regs_insn): Likewise.
24650 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24651 dump_edge_info, count_reg_references): Likewise.
24653 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24654 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24657 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24658 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24659 add_label_notes): Likewise.
24661 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24662 clear_struct_flag, count_sub_rtxs, count_alternatives,
24663 compares_alternatives_p, contained_in_p, walk_attr_value,
24664 write_expr_attr_cache): Likewise.
24666 * genconfig.c (walk_insn_part): Likewise.
24668 * genemit.c (max_operand_1, gen_exp): Likewise.
24670 * genextract.c (walk_rtx): Likewise.
24672 * genflags.c (num_operands): Likewise.
24674 * genoutput.c (scan_operands): Likewise.
24676 * genpeep.c (match_rtx): Likewise.
24678 * genrecog.c (add_to_sequence): Likewise.
24680 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24683 * integrate.c (save_constants, copy_for_inline,
24684 copy_rtx_and_substitute, subst_constants, restore_constants):
24687 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24688 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24690 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24693 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24694 add_label_notes, replace_call_address, count_nonfixed_reads,
24695 invariant_p, find_single_use_in_loop, find_mem_givs,
24696 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24699 * print-rtl.c (reg_names, print_rtx): Likewise.
24701 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24703 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24704 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24705 print_blocks): Likewise.
24707 * regclass.c (fix_register, record_address_regs,
24708 reg_scan_mark_refs): Likewise.
24710 * regmove.c (stable_but_for_p): Likewise.
24712 * reload.c (loc_mentioned_in_p, operands_match_p,
24713 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24714 copy_replacements, refers_to_regno_for_reload_p,
24715 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24716 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24719 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24720 delete_address_reloads_1, count_occurrences,
24721 reload_cse_mem_conflict_p, reload_combine_note_use,
24722 add_auto_inc_notes): Likewise.
24724 * resource.c (mark_referenced_resources, mark_set_resources):
24727 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24728 reg_mentioned_p, regs_set_between_p, modified_between_p,
24729 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24730 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24731 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24732 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24734 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24736 * stupid.c (stupid_mark_refs): Likewise.
24738 * unroll.c (remap_split_bivs): Likewise.
24740 * varasm.c (mark_constants): Likewise.
24742 * a29k/a29k.c (uses_local_reg_p): Likewise.
24744 * alpha/alpha.c (summarize_insn): Likewise.
24746 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24747 eliminate_lr2ip): Likewise.
24749 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24751 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24752 reg_mentioned_in_mem): Likewise.
24754 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24755 symbolic_reference_mentioned_p): Likewise.
24757 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24759 * sh/sh.c (regs_used, mark_use): Likewise.
24761 * vax/vax.c (vax_rtx_cost): Likewise.
24763 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24765 * machmode.h (mode_name): Constify a char*.
24767 * rtl.c (mode_name): Likewise.
24769 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24771 * optabs.c (init_libfuncs): Constify a char*.
24773 * print-tree.c (mode_name): Remove redundant declaration.
24774 (print_node): Use accessor macro, not `mode_name'.
24776 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24778 (new_spill_reg): Constify a char*.
24780 * tree.c (mode_name): Remove redundant declaration.
24782 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24784 * rtl.c (rtx_name): Constify a char*.
24786 * rtl.h (rtx_name, fix_sched_param): Likewise.
24788 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24789 (mypr): Use accessor macro, not `rtx_name'.
24791 * genemit.c (print_code): Constify a char*.
24793 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24795 * genpeep.c (print_code): Constify a char*.
24797 * genrecog.c (print_code): Likewise.
24799 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24800 end_bb): Add static prototype.
24801 (draw_edge): Constify a char*.
24802 (end_bb): Remove unused parameter.
24804 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24805 print_block_visualization): Constify a char*.
24807 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24809 * c-common.c (c_get_alias_set): Update comment.
24811 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24813 * linux.h (LIB_SPEC): Added.
24815 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24817 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24819 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24821 * tree.c (expr_check): Fix typo in last change.
24823 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24825 * rtl.def (NOTE): Change format to "iuu0n".
24826 (ADDR_DIFF_VEC): Change format to "eEee0".
24827 (ADDRESSOF): Change format to "eit".
24829 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24830 (RTVEC_ELT): Change to match.
24831 (XVECEXP): Use XVEC and RTVEC_ELT.
24832 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24833 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24834 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24835 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24836 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24837 (INTVAL): Use XWINT.
24838 (ADDRESSOF_DECL): Use XTREE.
24839 (SET_ADDRESSOF_DECL): Delete.
24840 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24841 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24842 ifdefed out since 2.6 at least.
24843 (gen_rtvec_vv): Delete prototype.
24845 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24847 (copy_most_rtx): Handle 't' format letter.
24848 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24849 (gen_rtvec_vv): Delete function. All callers changed to use
24850 gen_rtvec_v instead.
24851 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24852 the '0' format letter.
24854 * function.c (gen_mem_addressof): Don't use
24855 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24857 * integrate.c (copy_rtx_and_substitute): Likewise.
24858 Copy 't' slots with XTREE.
24859 (subst_constants): Treat 't' slots like '[swi]' slots.
24860 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24861 * jump.c (rtx_equal_for_thread_p): Likewise.
24862 * rtlanal.c (rtx_equal_p): Likewise.
24863 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24864 only four arguments.
24865 * gengenrtl.c (type_from_format): Provide correct types for
24869 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24870 If a recent gcc is in use (always in stage2 and beyond), use
24871 statement expressions, so we don't make a function call unless
24872 the check fails. Evaluate arguments exactly once.
24873 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24874 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24876 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24877 they evaluate their arguments exactly once, irrespective of
24878 the compiler in use.
24880 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24881 is used by the currently-enabled check macros. This is:
24882 (tree_check_failed, tree_class_check_failed): For gcc.
24883 (tree_check, tree_class_check, cst_or_constructor_check,
24884 expr_check): For other compilers.
24886 * gencheck.c: Do not define any *_CHECK1 macros.
24888 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24889 Mark Mitchell <mark@codesourcery.com>
24891 * c-common.c (c_get_alias_set): Fix support for poitners and
24894 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24896 * alias.c: Include tree.h.
24897 (nonlocal_reference_p, mark_constant_function): New functions.
24898 * flow.c (life_analysis): Call mark_constant_function.
24899 * rtl.h (mark_constant_function): Declare it.
24901 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24903 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24904 unrecognisable switches.
24906 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24908 * loop.c (recombine_givs): Set ix field after sorting.
24909 (recombine_givs): Remove bogus index / giv lockstep looping.
24911 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24913 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24915 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24916 (do_cmp_and_jump): Formatting fixes.
24917 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24918 do_compare_rtx_and_jump instead of compare_from_rtx.
24919 (do_compare_rtx_and_jump): New function; mostly copied from
24921 (do_jump_for_compare): Delete.
24922 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24924 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24925 of compare/do_jump_for_compare pairs.
24926 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24927 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24928 compare_from_rtx/do_jump_for_compare pairs.
24929 (do_jump_by_parts_equality): Likewise.
24930 (do_jump_by_parts_equality_rtx): Likewise.
24931 * expr.h (do_compare_rtx_and_jump): Declare.
24932 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24933 that used to be in emit_cmp_insn.
24934 (cmp_available_p): New function.
24935 (prepare_operand): New function.
24936 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24937 to be in emit_cmp_insn.
24938 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24939 parameters to be pointers; don't emit final compare but modify some of
24940 the values pointed to by the args so the caller can perform the
24941 correct comparison.
24942 (expand_binop): Call emit_store_flag_force with signed forms of
24944 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24945 emit_jump_insn pair.
24946 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24947 emit_cmp_and_jump_insn_1. Call emit_queue.
24948 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24950 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24951 jump sets cc0 before deleting it.
24952 * integrate.c (expand_inline_function): Likewise.
24953 * unroll.c (unroll_loop): Similar changes in several places.
24954 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24955 before deleting it.
24957 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24959 * Makefile.in (insn-recog.o): Update dependencies.
24960 * genrecog.c (main): Make generated file include "function.h".
24962 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24964 * cse.c (cse_insn): Call never_reached_warning when a jump is
24965 changed to be unconditional.
24966 * flags.h: Declare warn_notreached.
24967 * flow.c (delete_block): Call never_reached_warning when
24968 a block is deleted.
24969 * jump.c (delete_barrier_successors): Call never_reached_warning
24970 when we delete everything after a BARRIER.
24971 (never_reached_warning): New function.
24972 * rtl.h: Declare never_reached_warning.
24973 * toplev.c (warn_notreached): New variable.
24974 (lang_independent_options): Set warn_notreached
24975 when -Wunreachable-code.
24976 (compile_file): We need line numbers for -Wunreachable-code.
24978 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24980 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24981 * sched.c (insn_unit): Likewise.
24983 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24985 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24987 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24989 * flow.c (create_edge_list): Use xmalloc, not malloc.
24991 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24993 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24994 C-style comments. Do not lose the character before double slash.
24996 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24998 * basic-block.h (struct edge_list): Stucture to maintain a vector
25000 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25001 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25002 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25003 New function prototypes.
25004 * flow.c (create_edge_list): Function to create an edge list.
25005 (free_edge_list): Discards memory used by an edge list.
25006 (print_edge_list): Debug output showing an edge list.
25007 (verify_edge_list): Internal consistency check for an edge list.
25008 (find_edge_index): Function to find an edge index for a pred and succ.
25010 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25012 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25015 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25017 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25019 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25021 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25023 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25025 * toplev.c (rest_of_compilation): Allow machine dependent
25026 reorganisation pass to place information into the RTL dump
25027 file if it so wishes.
25029 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25031 * explow.c (hard_function_value): Use VOIDmode instead of
25033 * stmt.c (expand_return): Likewise.
25034 * stor-layout.c (get_best_mode): Likewise.
25036 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25037 emit call instead of emit_insn call.
25039 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25041 * configure.in: Handle --disable/enable-win32-registry.
25042 * install.texi: Document --disable/enable-win32-registry.
25043 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25044 (WIN32_REGISTRY_KEY): New macro.
25045 * prefix.c: Use to enable/disable win32-specific code.
25046 (lookup_key): Use versioned key.
25047 * configure: Regenerate.
25048 * config.in: Likewise.
25050 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25052 * cpplib.c (read_line_number): New fn, split out of...
25055 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25057 tree.c (lang_unsave_expr_now) : New.
25058 (unsave_expr_now): Call lang_unsave_expr_now.
25059 tree.h (lang_unsave_expr_now) : New.
25061 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25063 * toplev.c (flag_new_exceptions): On by default.
25065 1999-08-13 Michael Meissner <meissner@cygnus.com>
25067 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25069 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25071 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25072 INTEGER_TYPE with precision==1, it's __java_boolean.
25074 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25076 * global.c (prune_preferences): Move some invariants out of the
25079 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25081 * configure.in (alpha*-dec-osf*): Add osf5.
25083 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25085 * configure.in: Rework handling of ARM GNU/Linux slightly.
25086 (arm*-*-linux-gnuoldld): New target.
25087 * configure: Regenerate.
25088 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25089 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25090 * config/arm/linux-oldld.h: New file.
25091 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25092 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25094 * config/arm/linux-elf.h (ASM_SPEC): Define.
25095 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25096 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25097 for 26-bit APCS and old linker.
25098 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25100 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25101 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25102 don't define `arm' or `arm_elf'.
25103 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25104 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25106 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25108 * rtl.texi: Fix typo.
25110 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25112 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25114 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25116 * extend.texi (C++ Signatures): Remove node.
25117 * invoke.texi: Remove discussion of -fhandle-signatures,
25118 signature, sigof, __signature__, and __sigof__.
25120 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25122 * Makefile.in (JAVAGC): Removed.
25124 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25126 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25128 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25130 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25132 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25134 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25135 a register that is already known to be a pointer.
25137 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25139 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25140 * fixinc/inclhack.sh: Regenerated.
25141 * fixinc/fixincl.sh: Regenerated.
25143 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25145 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25146 Fix documentation of -ansi flag to describe its C++ behavior.
25147 Remove bogus reference to GCC 2.9.
25149 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25151 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25152 note if it is non-NULL.
25154 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25156 * except.h (eh_nesting_info): Add new structure defintion.
25157 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25158 (reachable_handlers, update_rethrow_references): Add function
25160 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25161 a rethrow symbol instead of an integer exception region number.
25162 * flow.c (Make_edges): Use new exception nesting routines to determine
25163 which handlers are reachable from a CALL or asynchronous insn.
25164 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25166 (delete_eh_regions): Update rethrow labels, and don't delete
25167 regions which are the target of a rethrow.
25168 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25169 avoid overloading the SYMBOL_REF_USED flag.
25170 (rethrow_symbol_map): Use new rethrow_ref field.
25171 (rethrow_used): Use new rethrow_ref field.
25172 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25173 of an integer. Fix formatting.
25174 (output_exception_table_entry): Use new rethrow_ref field.
25175 (can_throw): Check for EH_REGION_NOTE before deciding
25176 whether a CALL can throw or not.
25177 (scan_region): Call rethrow_used() instead of accessing data structure.
25178 (update_rethrow_references): New function to make sure only regions
25179 which are still targets of a rethrow are flagged as such.
25180 (process_nestinfo): New static function to initialize a handler
25181 list for a specific region.
25182 (init_eh_nesting_info): New function to allocate and initialize
25183 the list of all EH handlers reachable from all regions.
25184 (reachable_handlers): New function to retrieve the list of handlers
25185 reachable from a specific region and insn.
25186 (free_eh_nesting_info): New function to dispose of a list of
25187 reachable handlers.
25189 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25191 * flow.c (split_edge): Set JUMP_LABEL field.
25192 (commit_one_edge_insertion): Set head correctly for insert_before.
25193 When inserting insns, update insn block numbers if allocated.
25195 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25197 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25198 retry_incomplete_types): Add static prototype.
25199 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25200 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25201 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25202 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25203 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25206 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25207 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25209 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25211 * output.h (assemble_name): Constify a char*.
25213 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25214 assemble_variable, assemble_name): Likewise.
25216 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25218 * arm/pe.c (arm_pe_unique_section): Likewise.
25220 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25222 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25224 * i386/interix.c (i386_pe_unique_section): Likewise.
25226 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25228 * i386/winnt.c (i386_pe_unique_section): Likewise.
25230 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25232 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25234 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25236 * pa/pa.c (output_call): Likewise.
25238 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25240 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25242 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25245 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25248 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25250 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25251 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25253 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25255 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25257 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25259 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25261 * tree.h (lang_identify): Constify a char*.
25262 (print_error_function): Add extern prototype. Constify a char*.
25264 * c-lang.c (lang_identify): Constify a char*.
25266 * objc/objc-act.c (lang_identify): Constify a char*.
25268 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25270 * genpeep.c (main): Make generated file include "function.h".
25271 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25273 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25275 * Makefile.in: Update dependencies.
25276 * alias.c: Include "function.h"
25277 * c-decl.c: Likewise.
25278 * caller-save.c: Likewise.
25279 * calls.c: Likewise.
25280 * combine.c: Likewise.
25282 * explow.c: Likewise.
25283 * final.c: Likewise.
25284 * global.c: Likewise.
25285 * graph.c: Likewise.
25286 * local-alloc.c: Likewise.
25287 * loop.c: Likewise.
25288 * optabs.c: Likewise.
25289 * profile.c: Likewise.
25290 * recog.c: Likewise.
25291 * regclass.c: Likewise.
25292 * regmove.c: Likewise.
25293 * reload.c: Likewise.
25294 * reorg.c: Likewise.
25295 * resource.c: Likewise.
25296 * sched.c: Likewise.
25297 * stupid.c: Likewise.
25298 * config/1750a/1750a.c: Likewise.
25299 * config/a29k/a29k.c: Likewise.
25300 * config/arc/arc.c: Likewise.
25301 * config/arm/arm.c: Likewise.
25302 * config/arm/thumb.c: Likewise.
25303 * config/c4x/c4x.c: Likewise.
25304 * config/clipper/clipper.c: Likewise.
25305 * config/convex/convex.c: Likewise.
25306 * config/fx80/fx80.c: Likewise.
25307 * config/i860/i860.c: Likewise.
25308 * config/m68k/m68k.c: Likewise.
25309 * config/m88k/m88k.c: Likewise.
25310 * config/mips/mips.c: Likewise.
25311 * config/pdp11/pdp11.c: Likewise.
25312 * config/pyr/pyr.c: Likewise.
25313 * config/romp/romp.c: Likewise.
25314 * config/sh/sh.c: Likewise.
25315 * config/tahoe/tahoe.c: Likewise.
25316 * config/vax/vax.c: Likewise.
25317 * config/we32k/we32k.c: Likewise.
25318 * config/sparc/sparc.c: Include "function.h".
25319 (mem_min_alignment): Test current_function rather than
25320 regno_pointer_align.
25321 * config/pa/pa.c: Likewise.
25322 (compute_frame_size): Delete declaration of
25323 current_function_outgoing_args_size.
25324 * config/arc/arc.h (current_function_varargs): Delete declaration.
25325 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25327 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25329 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25330 current_function_uses_pic_offset_table.
25331 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25332 of current_function_returns_pointer.
25333 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25334 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25335 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25336 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25337 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25338 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25339 * config/m88k/m88k.c: Include "function.h"
25340 (call_used_regs, current_function_pretend_args_size,
25341 current_function_outgoing_args_size, frame_pointer_needed): Delete
25343 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25345 * config/mips/mips.h (current_function_calls_alloca): Delete
25347 * config/mn10200/mn10200.h (current_function_needs_context,
25348 rtx_equal_function_value_matters): Delete declarations.
25349 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25350 flag_pic): Delete declarations.
25351 * config/pa/pa.h (current_function_pretend_args_size,
25352 current_function_decl): Delete declarations.
25353 * config/pa/som.h (current_function_varargs): Delete declaration.
25354 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25356 * config/pyr/pyr.h (current_function_pretend_args_size,
25357 current_function_args_size, current_function_calls_alloca): Delete
25359 * config/sh/sh.h (current_function_varargs): Delete declaration.
25360 * config/sparc/sparc.h (current_function_outgoing_args_size,
25361 current_function_calls_alloca, current_function_decl): Delete
25363 * config/spur/spur.h (current_function_pretend_args_size,
25364 current_function_calls_alloca): Delete declarations.
25365 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25367 * config/vax/vms.h (current_function_name): Delete declaration.
25368 * gcse.c: Include "function.h".
25369 (current_function_name, current_function_calls_setjmp): Delete
25371 * haifa-sched.c: Include "function.h".
25372 (forced_labels): Delete declaration.
25373 * jump.c: Likewise.
25374 * reg-stack.c: Likewise.
25375 * reload1.c: Likewise.
25376 * genemit.c (main): Make generated file include function.h.
25377 * genoutput.c (output_prologue): Likewise.
25379 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25380 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25381 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25382 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25383 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25384 macros for some of them.
25385 (emit_filename, emit_lineno): Delete declarations.
25386 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25387 regno_pointer_* variables through current_function.
25388 (gen_inline_header_rtx): Delete function.
25389 (save_emit_status): Delete function.
25390 (set_new_last_label_num): New function.
25391 (clear_emit_caches): New function.
25392 (restore_emit_status): Just clear last_labelnum and call
25394 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25395 through macro seq_stack.
25396 (add_insn_after): Likewise.
25397 (add_insn_before): Likewise.
25398 (remove_insn): Likewise.
25399 (pop_topmost_sequence): Likewise.
25400 (in_sequence_p): Likewise.
25401 (start_sequence_for_rtl_expr): Likewise.
25402 (start_sequence): Likewise, and likewise for
25403 sequence_rtl_expr/seq_rtl_expr.
25404 (push_topmost_sequence): Likewise.
25405 (end_sequence): Likewise.
25406 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25407 All callers changed. Store into that pointer instead of globals.
25408 (init_emit): Allocate emit elt of current_function.
25409 Changes for sequence_rtl_expr/sequence_stack renaming.
25410 Call clear_emit_caches instead of doing it in-line.
25411 Access regno_pointer_* variables through current_function.
25412 (init_emit_once) Don't clear sequence_stack.
25414 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25416 (arg_pointer_save_area): Delete declaration.
25417 (finish_expr_for_function): Renamed from init_queue; no longer static.
25418 (init_expr): Don't call init_queue.
25419 (save_expr_status, restore_expr_status): Delete functions.
25420 (expand_expr): Changes to reflect new layout of struct function.
25421 Don't access current_function_check_memory_usage when current_function
25423 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25424 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25425 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25426 current_function_uses_const_pool, function_call_count,
25427 current_function_uses_pic_offset_table, nonlocal_labels,
25428 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25429 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25430 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25432 (finish_expr_for_function): Declare.
25433 * flags.h (current_function_has_nonlocal_label,
25434 current_function_has_nonlocal_goto, current_function_is_thunk,
25435 current_function_has_computed_jump): Delete declarations.
25436 * flow.c (forced_labels): Delete declaration.
25437 * function.c (current_function_pops_args,
25438 current_function_returns_struct, current_function_returns_pcc_struct,
25439 current_function_needs_context, current_function_calls_setjmp,
25440 current_function_calls_longjmp, current_function_has_nonlocal_label,
25441 current_function_has_nonlocal_goto, current_function_is_thunk,
25442 current_function_has_computed_jump, current_function_calls_alloca,
25443 current_function_contains_functions, current_function_returns_pointer,
25444 current_function_epilogue_delay_list, current_function_args_size,
25445 current_function_pretend_args_size, current_function_arg_offset_rtx,
25446 current_function_outgoing_args_size, current_function_varargs,
25447 current_function_stdarg, current_function_args_info, cleanup_label,
25448 current_function_name, current_function_uses_const_pool,
25449 current_function_instrument_entry_exit, current_function_return_rtx,
25450 current_function_uses_pic_offset_table, nonlocal_labels,
25451 current_function_internal_arg_pointer, current_function_cannot_inline,
25452 current_function_check_memory_usage, function_call_count,
25453 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25454 nonlocal_goto_stack_level, return_label, save_expr_regs,
25455 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25456 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25457 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25458 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25459 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25461 (push_function_context_to): Don't save them. Don't call
25462 save_storage_status, save_emit_status or save_expr_status.
25463 (pop_function_context_from): Don't restore them. Don't call
25464 restore_storage_status or restore_expr_status.
25465 (get_func_frame_size): New function.
25466 (get_frame_size): Use it.
25467 (assign_outer_stack_local): Reflect some member name changes in struct
25469 (put_reg_into_stack): Likewise.
25470 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25472 (fixup_var_refs): Likewise.
25473 (fix_lexical_addr): Likewise.
25474 (trampoline_address): Likewise.
25475 (prepare_function_start): Clear field inlinable of current_function.
25476 (init_function_for_compilation): New function.
25477 (expand_dummy_function_end): New function.
25478 (expand_function_end): Call finish_expr_for_function.
25479 * function.h (struct emit_status): New; fields moved here from struct
25480 function and from global variables. Add accessor macros for some of
25482 (struct expr_status): Likewise.
25483 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25484 (struct function): Add fields expr and emit, inlinable, inl_emit,
25485 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25486 inl_max_label_num. Add many comments.
25487 Add accessor macros for all elts of struct function that no longer
25488 have a global variable.
25489 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25490 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25491 stack_slot_list): Delete declarations.
25492 (get_func_frame_size): Declare.
25493 (save_expr_status, restore_expr_status, save_emit_status,
25494 save_storage_status, restore_storage_status): Delete declarations.
25495 (init_virtual_regs): Declare.
25496 * output.h (current_function_pops_args,
25497 current_function_returns_struct, current_function_returns_pcc_struct,
25498 current_function_needs_context, current_function_calls_setjmp,
25499 current_function_calls_longjmp, current_function_calls_alloca,
25500 current_function_has_nonlocal_label, current_function_varargs,
25501 current_function_has_computed_jump, current_function_returns_pointer,
25502 current_function_contains_functions, current_function_args_size,
25503 current_function_pretend_args_size, current_function_stdarg,
25504 current_function_outgoing_args_size, current_function_args_info,
25505 current_function_name, current_function_return_rtx,
25506 current_function_epilogue_delay_list,
25507 current_function_uses_const_pool, current_function_cannot_inline):
25508 Delete declarations.
25509 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25510 regno_reg_rtx): Delete declaration.
25511 (REGNO_POINTER_FLAG): Delete macro.
25512 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25513 function were renamed.
25514 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25516 * toplev.c: Include "function.h".
25517 (current_function_decl): Delete declaration.
25518 (compile_file): Call init_dummy_function_start and
25519 expand_dummy_function_end around some initializations that need to
25521 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25522 Call init_function_for_compilation.
25523 * unroll.c: Include "function.h"
25524 (unroll_loop): Access regno_pointer_* variables through
25527 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25528 (DECL_SAVED_INSNS): use it.
25529 (expand_dummy_function_end): Declare.
25530 (init_function_for_compilation): Declare.
25531 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25532 that it's no longer an INLINE_HEADER.
25533 (expand_call): Likewise.
25534 * integrate.c (finish_inline): Delete function.
25535 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25536 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25537 args. Don't generate an INLINE_HEADER rtx, just return the arg
25538 vector. All callers changed.
25539 (save_for_inline_copying): Create a duplicate struct emit_status to
25540 hold the emit state for compiling the current function. Use this and
25541 the other new fields in struct function that are for integration
25542 instead of an INLINE_HEADER.
25543 Use memcpy instead of bcopy.
25544 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25545 (save_for_inline_nocopy): Similar changes, except no new emit_status
25547 (expand_inline_function): Get information from function structure,
25548 not from an inline header rtx.
25549 (output_inline_function): Lose code to extract the necessary
25550 information from an inline header; simply put back the function
25551 structure into current_function. Clear its inlinable elt.
25552 * rtl.def (INLINE_HEADER): Delete.
25553 * rtl.h: Delete all accessors for an INLINE_HEADER.
25554 (gen_inline_header_rtx): Delete declaration.
25555 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25556 Delete declarations.
25557 (REGNO_POINTER_ALIGN): Delete.
25558 (clear_emit_caches): Declare.
25559 (set_new_last_label_num): Declare.
25561 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25563 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25565 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25566 * stmt.c (is_eh_region): Make sure current_function is present, too.
25568 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25570 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25571 for 64bit PA targets.
25573 * pa.h (SELECT_SECTION): Define.
25574 * som.h (SELECT_SECTION): Delete.
25576 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25578 * alias.c (init_alias_analysis): Wrap call to
25579 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25581 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25583 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25584 <sys/asm.h> contains an asm comment with an apostrophe
25585 * fixinc/inclhack.sh: regen
25586 * fixinc/fixincl.x: regen
25588 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25590 * function.c (init_function_start): Clear prologue & epilogue.
25591 (prologue_epilogue_contains): New function.
25592 * alias.c (init_alias_analysis): Use it.
25593 * rtl.h (prologue_epilogue_contains): Declare it.
25595 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25597 * jump.c (onlyjump_p): New function.
25598 * rtl.h: Declare it.
25599 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25600 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25602 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25604 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25605 to invert loops. Simplify block scanning.
25607 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25609 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25610 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25612 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25614 * config/sparc/liteelf.h: New file to support sparclite-elf target
25615 * config/sparc/t-sp86x: New file to support sparc86x targets
25616 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25617 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25618 * configure.in: Support above target triplets
25619 * configure: Regenerated
25621 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25623 * fixinc/server.c (server_setup): Do not prefix function used as
25624 parameter with `&'.
25626 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25628 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25629 Remove fp reg alternatives.
25631 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25633 * Makefiin (TAROUTOPTS): Kill.
25634 (install-headers-tar): Use "xpf" for tar headerfile extraction
25635 * i370/x-oe (TAROUTOPTS): Delete.
25636 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25637 * m68k/x-hp320 (TAROUTOPTS): Delete.
25638 * m68k/x-hp320g (TAROUTOPTS): Delete.
25639 * gcc.texi: Update bug reporting text.
25641 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25643 * reg-stack.c (change_stack) Fixed problem with negative array index.
25645 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25647 * extend.texi, install.texi: Fix spelling mistakes.
25649 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25650 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25651 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25652 PREMADE_ATTRTAB_MD.
25653 * mips/t-ecoff: Likewise.
25654 * mips/t-elf: Likewise.
25655 * mips/t-mips: Likewise.
25656 * mips/t-osfrose: Likewise.
25657 * mips/t-r3900: Likewise.
25658 * mips/t-svr3: Likewise.
25659 * mips/t-svr4: Likewise.
25660 * mips/t-ultrix: Likewise.
25662 * gcc.texi: Document recommend means to provide software floating
25663 point libraries in libgcc.a
25665 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25667 * c-lex.c (yylex): We can have a number with no digits.
25669 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25671 * jump.c (delete_prior_computation): New function, broken
25672 out of delete_computation. Check for side effects with
25673 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25674 multi-word hard registers.
25675 (delete_computation): Use it. Check for side effects with
25676 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25677 missing REG_DEAD note for a register which is both set and
25680 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25682 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25683 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25684 (ASM_FILE_START): Import _mcount with the right type.
25685 (ASM_DECLARE_FUNCTION_NAME): Define.
25686 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25687 * pa.c (output_function_prologue): Always emit the function's label
25689 * pa.h (TEXT_SPACE_P): Define.
25690 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25691 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25692 * som.h (TEXT_SPACE_P): Delete.
25693 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25694 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25696 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25698 * expr.c (emit_group_load): Allow src to be a CONCAT.
25700 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25702 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25703 (___mulsi3): Use '!' comment character.
25705 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25707 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25709 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25711 * gcc.c: Update URLs and mail addresses.
25712 * gcc.texi: Likewise.
25714 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25716 * rs6000.c (current_file_function_operand): Return zero for
25718 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25720 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25723 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25725 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25726 allocate space in the stack frame for the PIC register.
25728 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25730 * m68k.md (xordi3, anddi3): These patterns are not available on
25733 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25735 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25736 (PUT_REAL): Likewise.
25738 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25740 * final.c (shorten_branches): Don't add an alignment for loops
25741 that have no label inside.
25743 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25745 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25746 prototypes in macro HAVE_cmpstrsi.
25748 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25750 * emit-rtl.c (operand_subword): Remove unused variable
25753 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25755 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25757 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25759 * cpphash.c (macroexpand): Delete leading whitespace when arg
25760 is concatenated before.
25761 (unsafe_chars): Correct test for whether + and - can extend a
25764 * cppinit.c (cpp_start_read): Do dependencies for
25765 -include/-imacros files also.
25767 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25768 tokenizing non-directive lines.
25769 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25770 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25773 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25775 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25777 * c-lex.c: Sync with C++ frontend.
25778 (linemode): New variable.
25779 (parse_float): imag, conversion_errno, and type are output only.
25780 (yylex): Adjust. Move initial '.' case into main switch.
25782 (handle_generic_pragma): Just deal with tokens.
25783 (readescape): Use ISXDIGIT and ISGRAPH.
25784 * c-parse.in: Add END_OF_LINE token.
25786 * c-lex.c (lang_init): Generalize.
25787 (nextchar): Remove. Replace uses with UNGETC.
25788 (skip_white_space): Handle linemode here. Optimize for cpplib.
25789 (skip_white_space_on_line): Remove.
25790 (extend_token_buffer_to): New fn.
25791 (extend_token_buffer): Use it.
25792 (read_line_number, check_newline): Just deal with tokens.
25793 (token_getch, token_put_back): New fns.
25794 (yylex): Use them. More cpplib optimizations. Simplify.
25796 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25797 Jason Merrill <jason@yorick.cygnus.com>
25799 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25800 (consume_string): Make this smart about USE_CPPLIB.
25801 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25802 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25803 Also, clean up cases where we redundantly set token_buffer[0].
25804 (read_line_number): New fn.
25805 (ignore_escape_flag): New variable.
25807 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25809 * a29k/t-a29kbare: Fix some comments.
25810 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25811 (FPBIT, DPBIT): Define.
25812 * a29k/t-vx29k: Likewise.
25813 * arc/t-arc: Likewise.
25814 * arm/t-arm-elf: Likewise.
25815 * arm/t-bare: Likewise.
25816 * arm/t-pe: Likewise.
25817 * arm/t-pe-thumb: Likewise.
25818 * arm/t-semi: Likewise.
25819 * arm/t-thumb: Likewise.
25820 * arm/t-thumb-elf: Likewise.
25821 * arm/t-thumb-linux: Likewise.
25822 * h8300/t-h8300: Likewise.
25823 * i960/t-i960: Likewise.
25824 * i960/t-vxworks960: Likewise.
25825 * m32r/t-m32r: Likewise.
25826 * mips/t-ecoff: Likewise.
25827 * mips/t-elf: Likewise.
25828 * mips/t-r3900: Likewise.
25829 * pa/t-pro: Likewise.
25830 * rs6000/t-aix43: Likewise.
25831 * rs6000/t-beos: Likewise.
25832 * rs6000/t-newas: Likewise.
25833 * rs6000/t-ppccomm: Likewise.
25834 * rs6000/t-rs6000: Likewise.
25835 * rs6000/t-winnt: Likewise.
25836 * rs6000/t-xnewas: Likewise.
25837 * rs6000/t-xrs6000: Likewise.
25838 * sh/t-sh: Likewise.
25839 * sparc/t-elf: Likewise.
25840 * sparc/t-sparcbare: Likewise.
25841 * sparc/t-sparclite: Likewise.
25842 * sparc/t-splet: Likewise.
25843 * v850/t-v850: Likewise.
25844 * mn10200/t-mn10200: Fix comments.
25845 * mn10300/t-mn10300: Likewise.
25847 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25848 dummy operand. Allocate a new pseudo for the dummy operand.
25849 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25851 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25853 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25855 * configure: Rebuilt.
25856 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25858 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25860 * recog.c (preproces_constraints): Zero recog_op_alt before
25861 processing the constraints.
25863 * arm.c (typedef minipool_node): Renamed from pool_node.
25864 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25865 (add_minipool_constant): New function.
25866 (dump_minipool): New function.
25867 (find_barrier): Remove special case for getting the insn size of
25868 an insn that references the constant pool.
25869 (minipool_fixup): New structure.
25870 (push_minipool_barrier): New function.
25871 (push_minipool_fix): New function.
25872 (note_invalid_constants): New function.
25873 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25874 (arm_reorg): Rewrite code to fix up the constant pool into a
25875 series of mini-pools embedded in the insn stream.
25876 (arm_output_epilogue): New function, made mainly from the body
25877 of output_func_epilogue.
25878 (output_func_epilogue): Move insn generation part of epilogue code
25879 to arm_output_epilogue.
25880 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25881 * arm.md (pool_range): New attribute.
25882 (zero_extendqidi2): Add attribute pool_range.
25883 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25884 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25885 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25886 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25887 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25888 (epilogue): New expand.
25889 (epilogue_insn): New insn. Call arm_output_epilogue.
25891 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25892 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25894 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25896 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25898 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25900 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25902 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25904 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25906 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25908 * global.c: Fix comment.
25910 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25912 * gcc.c (access_check): New static function.
25913 (find_a_file): Use it when searching a directory list.
25914 * collect2.c (find_a_file): Don't accept directories found when
25915 searching a directory list.
25917 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25919 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25920 function parameters with `&'.
25921 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25923 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25925 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25926 or tidy_fallthru_edge if the last insn in the block is not
25927 an unconditional jump or a simple conditional jump.
25929 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25931 * Makefile.in (c-decl.o): Depends on defaults.h.
25933 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25935 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25937 (CLASS_MAX_NREGS): Likewise.
25939 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25941 * cse.c (cse_insn): Fix dumb thinko in last change.
25943 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25945 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25948 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25950 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25951 test for sizes of passed and declared parameter types.
25953 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25955 * fixincludes: Fix the return type of bsearch, char* -> void*.
25957 * fixinc/inclhack.def: Likewise.
25959 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25961 * invoke.texi (-fdump-translation-unit): New option.
25963 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25965 * expr.h (PROMOTE_PROTOTYPES): Move ...
25966 * defaults.h: ... to here.
25967 * c-decl.c: Include defaults.h instead of expr.h.
25968 * c-typeck.c: Include defaults.h.
25970 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25972 * toplev.h (errorcount): Declare.
25973 (warningcount): Likewise.
25974 (sorrycount): Likewise.
25975 * c-lex.c (errorcount): Don't declare.
25976 * dwarf2out.c (errorcount): Don't declare.
25978 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25980 * config/libgloss.h: Add a note discouraging use with ELF.
25981 * configure.in: Don't use libgloss.h for ELF targets.
25982 Always use_collect2 on a.out targets.
25984 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25986 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25987 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25989 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25991 * loop.c (strength_reduce): When doing biv->giv conversion, update
25992 reg note of NEXT->insn.
25994 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25996 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25998 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26000 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26001 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26002 Ensure expr.h is included.
26003 * c-typecheck.c (convert_arguments): Ditto.
26005 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26007 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26008 * config/convex/convex.h: Ditto.
26009 * config/dsp16xx/dsp16xx.h: Ditto.
26010 * config/fx80/fx80.h: Ditto.
26011 * config/gmicro/gmicro.h: Ditto.
26012 * config/i370/i370.h: Ditto.
26013 * config/i386/i386.h: Ditto.
26014 * config/m32r/m32r.h: Ditto.
26015 * config/m68k/m68k.h: Ditto.
26016 * config/m88k/m88k.h: Ditto.
26017 * config/mips/mips.h: Ditto.
26018 * config/pa/pa.h: Ditto.
26019 * config/pyr/pyr.h: Ditto.
26020 * config/tahoe/tahoe.h: Ditto.
26021 * config/we32k/we32k.h: Ditto.
26023 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26024 based on arch size.
26026 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26028 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26031 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26033 1999-08-02 Richard Henderson <rth@cygnus.com>
26035 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26036 for the register spill block.
26037 (m32r_va_arg): New.
26038 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26039 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26041 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26042 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26043 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26045 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26047 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26048 MAX_WCHAR_TYPE defined in sparc.h.
26049 * config/sparc/linuxaout.h: Likewise.
26050 * config/sparc/linux64.h: Likewise.
26051 Also default to -mvis if CPU is UltraSPARC.
26053 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26055 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26056 (RTX_OK_FOR_OLO10): Likewise.
26057 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26058 %lo(), allow it in addresses...
26059 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26060 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26061 does not make sense.
26062 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26063 (sparc_output_scratch_registers): New function.
26064 (output_function_prologue, sparc_flat_output_function_prologue): Use
26066 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26068 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26069 * configure.in: Add check for .register pseudo-op support in as and
26070 check for offsetable %lo().
26071 * acconfig.h: Add templates for the above checks.
26072 * configure: Regenerate.
26074 1999-08-02 Richard Henderson <rth@cygnus.com>
26076 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26077 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26078 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26080 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26082 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26085 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26087 * config/float-sparc.h: New file.
26088 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26089 sparc-*-linux-gnu and sparc64-*-linux*.
26091 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26093 * rs6000.c (rs6000_va_list): Type is an array.
26094 (rs6000_va_start): Don't doubly adjust for varargs.
26095 (rs6000_va_arg): Evaluate long long GPR adjustment.
26097 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26099 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26100 -maix64 and -maix32.
26101 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26102 LINK_SPEC): Change appropriately.
26103 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26104 (u_short_cint_operand): Likewise.
26105 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26107 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26109 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26111 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26113 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26114 for type promotion.
26115 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26116 (non_add_cint_operand): Likewise.
26117 (logical_operand): Likewise.
26118 (non_logical_cint_operand): Likewise.
26119 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26120 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26121 (rs6000_select_rtx_section): Suppress warning.
26122 (small_data_operand): Suppress warning.
26123 (rs6000_got_register): Suppress warning.
26124 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26125 type, so `J' is generally the wrong constraint for a SImode value;
26127 (andsi3_internal2): Likewise.
26128 (andsi3_internal3): Likewise.
26129 (iorsi3_internal1): Likewise.
26130 (xorsi3_internal1): Likewise.
26132 (movsf_softfloat): Likewise.
26133 (scc insns): Likewise.
26134 (movsi+2): Preserve sign bits of SImode constant.
26135 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26136 (movdf+1): Sign-extend properly.
26137 (movdi_32+1): Sign-extend properly.
26138 (scc insns): Sign-extend properly.
26140 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26143 1999-08-02 Richard Henderson <rth@cygnus.com>
26145 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26146 -mcpu parsing code.
26147 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26148 * alpha.md (all fp insns): Likewise.
26150 1999-08-02 Nick Clifton <nickc@cygnus.com>
26152 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26155 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26157 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26158 pic_load_label generator directly.
26159 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26160 No longer a named pattern.
26162 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26164 * explow.c (force_reg): Call force_operand if X does not
26165 satisfy general_operand.
26167 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26169 * fix-header.c (main): When testing for CONTINUED, use string
26170 equality, not pointer equality.
26172 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26174 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26176 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26178 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26179 that has become an unconditional jump.
26181 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26182 (output_function_epilogue): Similarly.
26184 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26186 * tree.h (init_dummy_function_start): Declare.
26188 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26190 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26191 last_expr_type, last_expr_value, block_start_count, block_stack,
26192 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26193 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26194 dynamically in stmt elt of struct function for each function.
26195 (struct nesting): Rename function_call_count elt to n_function_calls,
26196 target_temp_slot_level to block_target_temp_slot_level. All users
26198 (struct stmt_status): New structure definition.
26199 Add many accessor macros for stmt_status elements which previously
26200 were global variables.
26201 (init_stmt_for_function): Allocate stmt elt for current_function.
26202 Reflect that block_start_count was renamed to
26203 current_block_start_count.
26204 (save_stmt_status, restore_stmt_status): Delete functions.
26205 (preserve_subexpressions_p): Don't access loop_stack when outside
26207 (expand_start_bindings): Reflect that block_start_count was renamed to
26208 current_block_start_count.
26209 (expand_fixup): Likewise.
26210 (expand_decl): Don't access block_stack when outside a function.
26211 (expand_decl_cleanup): Likewise.
26212 (expand_dcc_cleanup): Likewise.
26213 (expand_dhc_cleanup): Likewise.
26214 (expand_anon_union_decl): Likewise.
26215 (set_file_and_line_for_stmt): New function.
26216 (in_control_zone_p): New function.
26218 * function.h (struct function): Add new elt stmt.
26219 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26220 case_stack, nesting_stack, nesting_depth, block_start_count,
26221 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26222 emit_lineno, goto_fixup_chain.
26223 (save_eh_status, restore_eh_status, save_stmt_status,
26224 restore_stmt_status): Delete declarations.
26225 * function.c (push_function_context_to): Don't call save_stmt_status.
26226 (pop_function_context_to): Don't call restore_stmt_status.
26227 * tree.h (in_control_zone_p): Declare.
26228 * rtl.h (set_file_and_line_for_stmt): Declare.
26230 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26231 call set_file_and_line_for_stmt.
26233 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26235 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26236 Also update copyright.
26238 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26240 * c-pragma.c: Don't include "except.h".
26241 * emit-rtl.c: Likewise.
26242 * stor-layout.c: Likewise.
26243 * tree.c: Likewise.
26244 * varasm.c: Likewise.
26246 * flow.c: Include "function.h".
26247 * tree.h (init_dummy_function_start): Declare new function.
26249 * except.h (struct eh_status): New structure.
26250 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26252 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26253 catch_clauses, false_label_stack, caught_return_label_stack,
26254 protect_list, current_function_ehc): Add accessor macros for the
26255 corresponding fields in current_function->eh; delete declarations
26256 for all items that used to be declared here.
26257 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26258 catch_clauses, false_label_stack, caught_return_label_stack,
26259 protect_list, current_function_ehc): Delete variables.
26260 (init_eh_for_function): Allocate current_function->eh.
26261 (save_eh_status, restore_eh_status): Delete functions.
26263 * function.h (struct function): Add fields next_global and eh.
26264 Delete all exception handling related fields.
26265 * function.c (current_function): New variable.
26266 (all_functions): New variable.
26267 (push_function_context_to): Don't allocate a struct function,
26268 use current_function instead. Call init_dummy_function_start when
26269 outside a function. Clear current_function before returning.
26270 (pop_function_context_from): Restore current_function.
26271 Don't free the restored struct function.
26272 (prepare_function_start): New function.
26273 (init_dummy_function_start): New function.
26274 (init_function_start): Break out some code into prepare_function_start
26277 * stmt.c (save_stmt_status): Don't call save_eh_status.
26278 (restore_stmt_status): Don't call restore_eh_status.
26280 * Makefile.in: Update dependencies.
26282 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26284 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26285 of depending on a magic constant value. Update comments.
26286 (hppa_expand_prologue): Similarly.
26288 * pa.md (reload_indi, reload_outdi): Allow any register for the
26289 original reload register.
26291 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26293 * cccp.c (print_help): Change marcos to macros.
26295 1999-07-30 Richard Henderson <rth@cygnus.com>
26297 * c-typeck.c (initializer_constant_valid_p): Move ...
26298 * c-common.c (initializer_constant_valid_p): ... here. Use
26299 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26300 of label addresses.
26301 * c-common.h (initializer_constant_valid_p): Declare.
26302 * c-tree.h (initializer_constant_valid_p): Remove.
26304 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26306 * config/i386/sol2-c1.asm: Align the stack.
26307 * config/i386/sol2-gc1.asm: Likewise.
26309 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26311 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26312 -Asparclite for sparc86x.
26313 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26315 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26317 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26319 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26320 the user if using the non-default arch size in BI_ARCH configuration.
26321 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26323 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26324 Fix patterns so that they actually match.
26325 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26326 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26327 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26329 (mulsidi3): Reflect this in the expand.
26330 (smulsi3_highpart): Only on TARGET_ARCH32.
26331 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26332 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26333 (umulsidi3): Reflect this in the expand.
26334 (umulsi3_highpart): Only on TARGET_ARCH32.
26335 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26336 don't require g0 to be zero.
26337 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26338 ({,u}divsi3): New expands.
26339 ({,u}divsi3_sp64): New patterns.
26340 (after lshrdi3_v8plus): Four new patterns to help combiner
26341 optimizing nested mixed mode shifts.
26343 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26344 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26345 speed things up. Don't use them by default on plain v9 in 64bit
26346 mode, according to what SPAMv9 sais.
26348 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26349 top 32 bits of %[og][0-7] in signal handlers.
26350 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26352 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26354 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26355 (ashlsi3): Corresponding changes.
26357 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26359 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26361 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26363 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26365 * arm.h (Hint): Delete macro.
26366 Substitute HOST_WIDE_INT for Hint in some prototypes.
26367 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26369 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26371 * builtins.c (expand_builtin_setjmp): Use force_operand to
26372 make sure that the buffer address is in a suitable form to be
26373 passed to force_reg.
26375 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26377 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26380 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26382 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26383 proper mode in the condition string.
26384 (icacheflush, dcacheflush): Remove modes from match_operands.
26386 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26387 proper mode before using it.
26389 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26392 * pa.c (store_reg): Do not call add_high_const generator directly.
26393 (load_reg, set_reg_plus_d): Likewise.
26394 * pa.md (add_high_const): No longer a named pattern.
26396 * pa.c (legitimize_address): Consistently use Pmode rather than
26397 SImode. Do not call gen_pic2_highpart directly anymore.
26398 * pa.md (pic2_highpart): No longer a named pattern.
26399 (pic2_lo_sum): Similarly. Reformat to make more readable.
26401 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26406 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26408 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26410 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26412 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26413 and tag the spill mems.
26414 (hppa_va_start): New.
26415 (hppa_va_arg): New.
26416 * pa.h (EXPAND_BUILTIN_VA_START): New.
26417 (EXPAND_BUILTIN_VA_ARG): New.
26419 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26421 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26422 and tag the spill mems.
26423 (mn10300_va_start): New.
26424 (mn10300_va_arg): New.
26425 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26426 (EXPAND_BUILTIN_VA_ARG): New.
26428 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26430 * mn10200.c (mn10200_va_arg): New.
26431 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26433 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26435 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26436 rather than play with TREE_INT_CST_LOW.
26438 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26440 * config/arm/telf.h: Include dbxelf.h.
26441 (CPP_PREDEFINES): Only define if not already defined.
26442 (ASM_IDENTIFY_GCC): Likewise.
26443 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26444 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26445 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26447 (DBX_DEBUGGING_INFO): Don't define.
26448 * config/arm/linux-telf.h: New file.
26449 * config/arm/linux-tgas.h: New file.
26450 * config/arm/t-thumb-linux: New file.
26451 * config/arm/uclinux-elf.h: New file.
26452 * config/arm/uclinux-telf.h: New file.
26453 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26454 thumb-*-uclinux): New targets.
26455 * configure: Regenerate.
26457 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26459 * pa.md (post_store, pre_load): New expanders.
26460 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26461 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26462 need to directly generate RTL for them.
26463 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26466 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26468 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26469 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26470 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26471 (secndary_reload_class): Make TARGET_ELF conditional compile.
26472 (print_operand_address): Similar.
26473 (output_toc): Print all values as hex.
26474 (get_issue_rate): Rearrange and add RS64A and PPC630.
26475 * rs6000.h (processor_type): Add RS64A and PPC630.
26476 (PROCESSOR_POWERPC64): New.
26477 (PROMOTE_MODE): Use word_mode.
26478 (RTX_COSTS): Add RS64A and PPC630.
26479 * rs6000.md (scheduling information): Add lmul and ldiv
26480 representing 64-bit integer multiply and divide. Add rs64a and
26481 PPC630 information.
26482 (ashldi3): Add support for "rldic" instruction.
26483 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26485 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26487 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26488 instead of V8 for sparclite86x in cpu_table.
26490 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26492 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26493 output_file_directive.
26495 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26497 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26498 tree for op1, not the rtl.
26500 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26502 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26503 to m88k_va_start, leaving only the register spill.
26504 (m88k_build_va_list): New.
26505 (m88k_va_start): New.
26506 (m88k_va_arg): New.
26507 * m88k.h (BUILD_VA_LIST_TYPE): New.
26508 (EXPAND_BUILTIN_VA_START): New.
26509 (EXPAND_BUILTIN_VA_ARG): New.
26511 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26513 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26514 Rename from expand_builtin_saveregs.
26515 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26517 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26519 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26520 for the register spill block.
26521 (i960_build_va_list): New.
26522 (i960_va_start): New.
26523 (i960_va_arg): New.
26524 * i960.h (BUILD_VA_LIST_TYPE): New.
26525 (EXPAND_BUILTIN_VA_START): New.
26526 (EXPAND_BUILTIN_VA_ARG): New.
26527 * i960.md (store_multiple): Use change_address on individul mems.
26529 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26531 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26533 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26534 (expand_builtin_va_end): Evaluate arg for side effects.
26535 * c-common.c (c_common_nodes_and_builtins): Construct a
26536 va_list_arg_type_node to handle array decomposition to pointer.
26538 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26540 * except.c (st_dynamic_cleanup): Use force_operand on the
26543 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26545 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26546 * c4x.c (c4x_va_arg): New.
26548 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26550 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26551 has manual_pop set.
26553 1999-07-26 Nathan Sidwell <nathan@acm.org>
26555 * eh-common.h (__eh_matcher): Prototype correctly.
26557 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26559 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26560 (TARGET_SINGLE_PIC_BASE): Likewise.
26561 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26563 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26564 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26565 (TARGET_OPTIONS): Add -mpic-register=N.
26566 (OUTPUT_INT_ADDR_CONST): New macro.
26567 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26568 LEGITIMATE_PIC_OPERAND_P): Likewise.
26569 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26570 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26571 output_addr_const directly.
26572 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26574 (thumb_pic_register, thumb_pic_register_string): Declare.
26576 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26578 (label_mentioned_p): New function: Imported from arm.c.
26579 (legitimize_pic_address): New function: Imported from arm.c.
26580 (is_pic):New function: Imported from arm.c.
26581 (thumb_finalize_pic):New function: Imported from arm.c.
26582 (add_constant): Cope with PIC constants.
26583 (fixit): Cope with PIC constants.
26584 (output_return): Do not treat the PIC register as live if
26585 TARGET_SINGLE_PIC_BASE is true.
26586 (thumb_function_prologue): Do not treat the PIC register as live if
26587 TARGET_SINGLE_PIC_BASE is true.
26588 (thumb_expand_prologue): Do not treat the PIC register as live if
26589 TARGET_SINGLE_PIC_BASE is true.
26590 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26591 TARGET_SINGLE_PIC_BASE is true.
26592 (thumb_print_operand): Accept '|'.
26593 (thumb_override_options): Process PIC options.
26595 * config/arm/thumb.md (movsi): Support PIC.
26596 (call_insn): Change "i" constraint to "X".
26597 (call_value_insn): Likewise.
26598 (consttable_4, consttable_8, consttable_end): Set and clear
26599 "making_const_table" as appropriate.
26600 (pic_load_addr, pic_add_dot_plus_four): New insns.
26602 * invoke.texi (Thumb Options): Fix spelling. Document new
26603 options -msingle-pic-base and -mpic-register=.
26605 1999-07-26 Andrew Haley <aph@cygnus.com>
26607 * config/m32r/initfini.c (__init): Use a full word immediate for
26608 __fini: this allows it to be placed in any memory region.
26610 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26611 -mmodel=medium. This is OK for all memory models.
26613 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26615 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26616 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26618 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26620 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26623 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26625 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26627 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26628 (BUILD_VA_LIST_TYPE): New.
26629 (EXPAND_BUILTIN_VA_START): New.
26630 (EXPAND_BUILTIN_VA_ARG): New.
26631 * i860.c (output_delayed_branch): Disable.
26632 (output_delay_insn): Likewise.
26633 (i860_saveregs): New.
26634 (i860_build_va_list): New.
26635 (i860_va_start): New.
26636 (i860_va_arg): New.
26637 * i860.md: Disable all peepholes using output_delayed_branch.
26638 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26640 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26642 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26643 (BUILD_VA_LIST_TYPE): New.
26644 (EXPAND_BUILTIN_VA_START): New.
26645 (EXPAND_BUILTIN_VA_ARG): New.
26646 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26647 Return the address of the save area.
26648 (clipper_build_va_list): New.
26649 (clipper_va_start): New.
26650 (clipper_va_arg): New.
26652 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26654 * arc.h (EXPAND_BUILTIN_VA_START): New.
26655 (EXPAND_BUILTIN_VA_ARG): New.
26656 * arc.c (arc_setup_incoming_varargs): Set alias set of
26658 (arc_va_start): New.
26661 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26663 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26664 (BUILD_VA_LIST_TYPE): New.
26665 (EXPAND_BUILTIN_VA_START): New.
26666 (EXPAND_BUILTIN_VA_ARG): New.
26667 * alpha.c (alpha_builtin_saveregs): Delete.
26668 (alpha_build_va_list): New.
26669 (alpha_va_start): New.
26670 (alpha_va_arg): New.
26672 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26674 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26676 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26677 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26679 * gcc.texi: More changes related to list conversion.
26680 * invoke.texi: Likewise.
26682 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26684 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26685 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26686 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26687 (stabilize_va_list): New function.
26688 (std_expand_builtin_va_start): New function.
26689 (expand_builtin_va_start): New function.
26690 (get_varargs_alias_set): New function.
26691 (std_expand_builtin_va_arg): New function.
26692 (expand_builtin_va_arg): New function.
26693 (expand_builtin_va_end): New function.
26694 (expand_builtin_va_copy): New function.
26695 (expand_builtin): Call them.
26696 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26697 __builtin_{varargs_start,stdarg_start,end,copy}.
26698 (build_va_arg): New function.
26699 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26700 (build_va_arg): Declare.
26701 * c-decl.c (ptr_type_node, va_list_type_node): New.
26702 * c-parse.gperf (__builtin_va_arg): New.
26703 * c-parse.in (VA_ARG): New token.
26704 (unary_expr): Recognize it.
26705 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26706 * expr.h (std_expand_builtin_va_start): Declare.
26707 (std_expand_builtin_va_arg): Declare.
26708 (expand_builtin_va_arg): Declare.
26709 (get_varargs_alias_set): Declare.
26710 * tree.def (VA_ARG_EXPR): New.
26711 * tree.h (BUILT_IN_VARARGS_START): New.
26712 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26713 (ptr_type_node, va_list_type_node): Declare.
26714 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26715 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26716 * m88k.h, m88k.c: Likewise.
26717 * mn10300.h, mn10300.c: Likewise.
26718 * pa.h, pa.c: Likewise.
26719 * rs6000.h, rs6000.c: Likewise.
26720 * sh.h, sh.c: Likewise.
26721 * sparc.h, sparc.c: Likewise.
26723 * emit-rtl.c (operand_subword): Copy alias set.
26724 (change_address): Likewise.
26726 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26728 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26729 not just the first one.
26731 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26733 * config/arm/arm.h (TARGET_SWITCHES): Add
26734 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26735 (TARGET_OPTIONS): Add -mpic-register=.
26736 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26737 (arm_pic_register_string): Declare.
26738 (NEED_PLT_GOT): Delete, replace with ...
26739 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26740 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26741 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26742 * config/arm/arm.c (arm_override_options): Add new option
26744 (arm_pic_register_string): New variable.
26745 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26746 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26747 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26748 (output_return_instruction): Likewise.
26749 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26750 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26751 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26753 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26754 mention of -msched-prolog. Document new options -msingle-pic-base
26755 and -mpic-register=.
26757 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26759 * haifa-sched.c (reemit_notes): Tidy.
26760 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26763 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26765 * explow.c (trunc_int_for_mode): New function.
26766 (plus_constant_wide): Use it.
26767 * combine.c (simplify_and_const_int): Likewise.
26768 (merge_outer_ops): Likewise.
26769 (simplify_shift_const): Likewise.
26770 * cse.c (simplify_unary_operation): Likewise.
26771 (simplify_binary_operation): Likewise.
26772 * emit-rtl.c (operand_subword): Likewise.
26773 * rtl.h: Declare it.
26775 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26777 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26778 (use NUM_REGS instead of NUM_INTS).
26780 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26782 * builtins.c: New file.
26783 * expr.c (saveregs_value, apply_args_value): Delete definition,
26784 moved into builtins.c.
26785 (string_constant): No longer static.
26786 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26787 apply_args_size, apply_result_size, result_vector,
26788 expand_builtin_apply_args, expand_builtin_apply,
26789 expand_builtin_return): Delete functions, moved into builtins.c.
26790 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26791 * expr.h (saveregs_value, apply_args_value): Declare variables.
26792 (expand_builtin, string_constant): Declare functions.
26793 * Makefile.in: Update to build builtin.o.
26795 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26797 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26798 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26799 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26800 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26802 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26805 1999-07-21 Michael Meissner <meissner@cygnus.com>
26807 * print-rtl.c (print_rtx): Print the names of the virtual
26810 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26812 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26813 introduced in previous delta.
26815 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26817 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26818 to avoid name clash.
26820 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26822 * c-lex.c (yylex) : Correct the test for overflow when lexing
26825 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26827 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26828 (adjust_priority): Always call ADJUST_PRIORITY.
26829 (schedule_insn): Only put insns into the ready at cost 0.
26830 (schedule_block): Remove redundant initial sort. Give clock_var
26831 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26833 * tm.texi (MD_SCHED_REORDER): Update docs.
26835 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26836 * sparc.c (ultra_reorder_called_this_block): Delete.
26837 (ultrasparc_sched_init): Don't set it.
26838 (ultrasparc_sched_reorder): Don't check it.
26840 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26842 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26843 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26844 (function_arg_boundary): Align DFmode.
26845 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26846 to get fp reg and stack overflow correct.
26847 (function_arg): Likewise.
26848 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26849 (setup_incoming_varargs): Restructure for ABI_V4; use
26850 function_arg_advance to skip final named argument.
26851 (expand_builtin_saveregs): Properly unskip the last integer arg
26852 when doing varargs. Adjust overflow location calculation.
26854 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26855 explicitly unsigned.
26856 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26857 (__VA_GP_REGSAVE): Similarly.
26858 (__va_longlong_p): Delete.
26859 (__va_arg_type_violation): New declaration.
26860 (va_arg): Restructure. Flag promotion errors. Align double.
26861 TFmode passed by reference.
26863 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26864 in the HOST_BITS_PER_WIDE_INT > 32 case.
26866 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26868 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26870 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26872 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26873 * toplev.c (documented_lang_options): Add -fpreprocessed.
26874 * cpplib.h (struct cpp_buffer): Add preprocessed.
26875 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26876 (cpp_start_read): Don't expand macros or emit an initial #line
26877 directive if -fpreprocessed.
26879 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26881 * cpplib.h (struct cpp_buffer): Added manual_pop for
26882 better C++ tokenization.
26883 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26884 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26885 * c-common.c (cpp_token): Make non-static.
26887 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26889 * c-common.h: New file.
26890 * c-common.c (permanent_obstack): Delete unused declaration.
26891 (c_global_trees): New array.
26892 (c_common_nodes_and_builtins): New function; split off common code
26893 from init_decl_processing in both c-decl.c and cp/decl.c.
26894 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26895 c_global_trees and accessor macros defined in c-common.h.
26896 Include c-common.h.
26897 * c-decl.c: Delete definitions for tree nodes that were replaced by
26899 (init_decl_processing): Build void_list_node.
26900 Call c_common_nodes_and_builtins; delete code to generate the common
26902 * objc/objc-act.c (build_module_descriptor): Rename variable
26903 void_list_node to avoid clash with c-common.h.
26905 * Makefile.in: Update dependencies.
26906 * objc/Make-lang.in: Likewise.
26908 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26910 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26911 (UNIQUE_SECTION_P): Likewise.
26912 (UNIQUE_SECTION): Likewise.
26914 1999-07-19 Linas Vepstas <linas@linas.org>
26916 * config/i370/README: New file.
26917 * config/i370/linux.h: New file.
26918 * config/i370/mvs.h: New file.
26919 * config/i370/oe.h: New file.
26920 * config/i370/t-linux: New file.
26921 * config/i370/t-mvs: New file.
26922 * config/i370/t-oe: New file.
26923 * config/i370/x-oe: New file.
26924 * config/i370/xm-linux.h: New file.
26925 * config/i370/xm-mvs.h: New file.
26926 * config/i370/xm-oe.h: New file.
26928 * i370.c (label_node_t): Add first_ref_page, label_addr,
26929 label_first_ref, label_last_ref members.
26930 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26931 (MAX_MVS_LABEL_SIZE): Define.
26932 (MAX_LONG_LABEL_SIZE): Define.
26933 (alias_node_t, alias_anchor, alias_number): New.
26934 (mvs_function_table): Reorder for EBCDIC.
26935 (ascebc, ebcasc): Unconditionally define.
26936 (i370_branch_dest, i370_branch_length): New functions.
26937 (i370_short_branch, i370_label_scan): New functions.
26938 (mvs_get_label): Renamed from mvs_add_label. Search for
26939 an existing label before creating a new one.
26940 (mvs_add_label): New function.
26941 (mvs_get_label_page): New function.
26942 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26943 over the entire list.
26944 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26945 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26946 (mvs_add_alias, mvs_need_alias): New functions.
26947 (mvs_get_alias, mvs_check_alias): New functions.
26948 (handle_pragma): New function.
26949 (mvs_function_check): New function.
26950 (unsigned_jump_follows_p): Search harder.
26951 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26952 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26953 * i370.h (TARGET_VERSION): Delete.
26954 (CPP_SPEC, CPP_PREDEFINES): Delete.
26955 (mvs_label_emitted): Delete.
26956 (TARGET_EBCDIC): Delete.
26957 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26958 (HANDLE_PRAGMA): Define.
26959 (HARD_REGNO_NREGS): Handle complex modes.
26960 (HARD_REGNO_MODE_OK): Likewise.
26961 (CLASS_MAX_NREGS): Likewise.
26962 (RET_REG): Likewise.
26963 (EXTRA_CONSTRAINT): Define.
26964 (RETURN_IN_MEMORY): True for DImode.
26965 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26966 (FUNCTION_PROFILER): Delete.
26967 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26968 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26969 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26970 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26971 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26972 (ASM_FILE_START): Add "RMODE ANY".
26973 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26974 (ASM_GLOBALIZE_LABEL): Likewise.
26975 (ASM_OUTPUT_LABELREF): Likewise.
26976 (ASM_OUTPUT_COMMON): Likewise.
26977 (PRINT_OPERAND): Handle 'K', 'W', default.
26978 (PRINT_OPERAND_ADDRESS): New.
26979 (Lots of defines): Add support for TARGET_ELF_ABI.
26980 * i370.md (attr length): New. Define for all patterns.
26981 (*): Lots of tweeks to assembly output and constraints.
26983 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26985 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26986 Disable patterns performing SImode comparisons with SImode values
26987 if TARGET_POWERPC64 and instruction does not sign-extend or does
26988 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26989 differ for signed quantities.
26990 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26991 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26992 (decrement_and_branch_on_count): Add 64-bit variant.
26994 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26996 * final.c (output_asm_insn): When searching for the matching string
26997 for a given dialect, don't run past the end of the list of
26998 alternatives if there are fewer alternatives in the template than
27001 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27003 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27004 Removed paragraph about compression of files and size limitation,
27005 duplicated in the FAQ. Use gcc-patches for posting patches.
27006 * gcc.c (main): Updated URL with bug reporting instructions to
27007 gcc.gnu.org. Removed e-mail address.
27008 * system.h (abort): Likewise.
27010 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27012 * Makefile.in (stmp-multilib-sub): Make the files extracted
27013 from $(LIBGCC1) writable.
27015 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27017 * config/arm/aout.h: Reformat for improved readability.
27019 * config/arm/arm.h: Reformat for improved readability.
27020 Replace uses of fprintf with asm_fprintf where appropriate.
27021 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27022 function declaration assembler actions.
27023 (NUM_INTS): New macro: Convert from bytes to words.
27024 (NUM_REGS): New macro: Compute number of registers required to
27025 hold a quanitity of tyep MODE.
27026 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27028 (NUM_ARG_REGS): New macro: The number of argument registers
27030 (ARG_REGISTER): New macro: Compute the register number of the Nth
27032 (LAST_ARG_REGNUM): New macro: The number of the last argument
27034 (SP_REGNUM): New macro: Register number of the stack pointer.
27035 (FP_REGNUM): New macro: Register number of the frame pointer.
27036 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27037 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27038 CUMULATIVE_ARGS so that it counts registers not bytes.
27040 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27042 Replace uses of fprintf with asm_fprintf where appropriate.
27043 (output_ascii_pseudo_op): Replace with version from thumb.c
27045 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27047 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27048 SUBTARGET_CPP_SPEC.
27049 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27050 (ASM_FILE_START): Emit ASM_APP_OFF.
27052 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27054 * pa.c (compute_frame_size): Round frame according to
27055 STACK_BOUNDARY rather than a hardwired value.
27057 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27059 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27061 * configure: Rebuilt.
27063 * configure.in (hppa*-*-linux*): New configuration.
27064 * configure: Rebuilt.
27065 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27066 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27067 * pa/pa-linux.h: New file.
27068 * pa/t-linux: New file.
27069 * pa/xm-linux.h: New file.
27071 * pa.c (hppa_legitimize_address): Change references from SImode to
27072 either Pmode or word_mode as appropriate.
27073 (emit_move_sequence, store_reg, load_reg): Likewise.
27074 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27075 (output_mul_insn): Likewise.
27076 * pa.h (PROMOTE_MODE): Likewise.
27077 (INITIALZE_TRAMPOLINE): Likewise.
27078 (Pmode): Define to word_mode.
27080 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27081 value of 4. Allocate 8 bytes for each FP register save.
27082 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27084 (hppa_expand_prologue): Likewise.
27085 * pa.h (PROMOTE_MODE): Likewise.
27086 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27087 (FUNCTION_ARG_BOUNDARY): Likewise.
27089 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27091 * pa.c (out_of_line_prologue_epilogue): Delete.
27092 (override_options): Remove -mspace related code.
27093 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27094 (compute_frame_size): Only allocate space for register that
27095 actually need to be saved.
27096 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27097 (TARGET_SWITCHES): Remove -mspace, -mno-space
27098 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27099 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27100 * pa/ee.asm, pa/ee_fp.asm: Delete.
27102 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27104 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27105 directive in column zero.
27107 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27109 * m68k.c (output_function_prologue): Fix computation of save mask
27110 when generating PIC code.
27112 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27114 * tree.c (build_type_attribute_variant): Move current_obstack restore
27115 after build_qualified_type call.
27117 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27119 * configure.in: Use t-iris6, even with GNU LD.
27120 * config/mips/iris6gld.h: Fix typo in linker spec.
27121 * config/mips/t-iris6gld: Remove.
27123 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27125 * rs6000.md (insv, extzv): Remove SImode dependence in named
27126 patterns. Explicitly generate DImode RTL if PowerPC64 and
27128 (insvdi): Reverse start and size in instruction template.
27130 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27132 * invoke.texi: Typo fixes.
27134 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27136 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27137 handle at this time instead of silently generating incorrect code.
27138 (gen_imagpart): Likewise.
27140 * reload.c (find_reloads): Emit a USE for a pseudo register without
27141 a hard register if we could not create an optional reload for the
27144 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27146 * c-typeck.c (output_init_element, process_init_element):
27147 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27148 check for nameless bit fields.
27150 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27152 * regclass.c (scan_one_insn): Notice subregs that change the
27153 size of their operand.
27154 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27156 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27158 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27159 * configure: Rebuilt.
27160 * alpha/t-ieee: New file.
27162 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27164 * rs6000.c (find_addr_reg): Do not select r0 as an address
27167 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27169 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27171 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27173 * rs6000.md (movsf): Do not force easy FP constants into memory.
27175 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27176 immed_double_const to ensure they are properly truncated then
27179 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27181 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27182 always unless NO_DEBUG is used. Compile this code
27184 (replace_symbols_in_block): Compile it unconditionally.
27186 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27188 * configure.in (i?86-*-elf*): New target.
27189 * configure: Rebuilt.
27190 * i386/i386elf.h, i386/t-i386elf: New files.
27192 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27194 * toplev.c (main): Don't complain about saying -gdwarf.
27195 (rest_of_compilation): Remove redundant code.
27197 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27199 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27201 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27203 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27204 "Li960R:", to avoid name clash.
27206 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27208 * loop.c (check_dbra_loop): When reversing a loop, delete all
27209 REG_EQUAL notes referencing the reversed biv except those which are
27210 for a giv based on it.
27212 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27214 * version.c: Drop "gcc-" prefix from version #.
27216 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27218 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27219 the label if we're being verbose.
27221 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27223 * m68k.c (output_function_prologue): Add pic register to mask
27224 if live and flag_pic.
27225 (output_function_epilogue): Likewise.
27227 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27229 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27230 directives in column zero.
27232 * pa/elf.h (ASM_FILE_START): Define.
27233 * pa/som.h (ASM_FILE_START): Include .level directives.
27234 * pa/hpux10.h (ASM_FILE_START): Delete.
27235 * pa/hpux11.h (ASM_FILE_START): Delete.
27237 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27239 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27241 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27242 when reload_out equals reload_in.
27244 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27246 * invoke.texi (Spec Files): New node: Describe the contents of
27249 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27251 * invoke.texi (DEC Alpha Options): Put @end table at
27252 beginning of line, to avoid confusing texi2html.
27254 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27256 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27257 introduced in previous delta.
27259 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27261 * reload1.c (gen_reload): When synthesizing a 3 operand add
27262 sequence, improve test for when to reload OP1 into the reload
27263 register instead of OP0.
27265 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27267 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27269 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27271 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27274 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27276 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27277 (va_dcl): Use __builtin_va_alist_t.
27279 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27281 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27282 on the permanent_obstack.
27283 * dwarfout.c (output_type): Likewise.
27285 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27287 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27288 Merged from c-typeck.c and cp/typeck.c.
27289 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27290 Merged into c-common.
27292 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27294 * c-lex.c (errorcount): Declare it.
27295 (finish_parse): Update errorcount when using CPPLIB.
27297 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27299 * fixinc/inclhack.def(end_else_label): Double the backslash so
27300 sed gets a chance to see it.
27301 * fixinc/inclhack.sh: regen
27302 * fixinc/fixincl.x: regen
27304 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27306 Add framework to support armv5 architecture when it becomes
27309 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27310 (arm_arch5): New variable.
27311 (all_architectures): Add armv5 line.
27312 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27313 -march=armv5 is specified on the command line.
27314 (arm_arch5): Export this variable.
27315 * invoke.texi: Document new string accepted by -march= switch for
27318 * config/arm/arm.h: Replace use of constant 12 as a register
27319 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27320 * config/arm/arm.c: Replace use of constant 12 as a register
27321 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27323 * config/arm/elf.h: Tidy up.
27324 * config/arm/coff.h: Tidy up.
27326 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27328 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27329 * gcc/config/mips/t-iris6gld: New file.
27330 * gcc/config/mips/iris6gld.h: Likewise.
27332 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27334 * c-decl.c (widest_integer_literal_type_node,
27335 widest_unsigned_literal_type) : New.
27336 (init_decl_processing): Handle/use the two new types.
27337 * c-common.c (type_for_size,type_for_mode) : Same.
27338 * c-lex.c (yylex) : Same.
27339 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27341 * c-tree.h (widest_integer_literal_type_node,
27342 widest_unsigned_literal_type) : New.
27344 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27346 * dwarfout.c (field_byte_offset): Correctly compute the object's
27347 byte offset for the first bit of a field which crosses an alignment
27348 boundary on a !BYTES_BIG_ENDIAN target.
27350 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27352 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27355 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27356 Jeff Law <law@cygnus.com>
27358 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27361 * except.c: Include intl.h.
27362 (expand_eh_return): Set current_function_cannot_inline.
27363 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27364 * function.h (struct function): Add eh_return_stub_label.
27365 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27366 * Makefile.in (except.o): Depend on intl.h.
27368 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27370 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27371 same as offsettable in cases 1 and 2.
27373 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27375 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27376 (extlh, extwh): Likewise.
27378 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27380 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27382 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27384 * configure.in: Add arm-pe and thumb-pe targets.
27385 * configure: Regenerate.
27387 * thumb.c (arm_naked_function_p): New function: Determines if
27388 a function is naked (has no gcc generated prologue/epilogue).
27389 (is_called_in_ARM_mode): Return true if the func has the
27390 interfacearm attribute.
27391 (output_return): Do not generate a return for naked functions.
27392 (thumb_function_prologue): Do not generate a prologue for
27394 (thumb_expand_prologue): Do not generate a prologue for naked
27396 (thumb_expand_epilogue): Do not generate an epilogue for naked
27398 (arm_valid_machine_decl_attribute): New function, copied from
27399 arm.c: Permit naked and interfacearm attributes.
27401 * config/arm/pe.c: New file: Support code for arm-pe target.
27402 * config/arm/pe.h: New file: Header file for arm-pe target.
27403 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27404 * config/arm/t-thumb-pe: New file: Makefile fragment for
27407 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27409 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27410 -fPIC or -fpic is specified.
27412 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27414 * expr.c (emit_block_move): Use copy_to_mode_reg for
27415 !TARGET_MEM_FUNCTIONS case too.
27417 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27419 * configure: Rebuilt.
27420 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27421 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27422 definitions made redundant by dbxelf.h inclusion. Delete
27423 lots of definitions related to assembly output that are
27424 specific to the SOM object format.
27425 * pa.c (output_function_prologue): Do not emit the function's
27427 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27428 * pa-pro.h: Deleted.
27429 * som.h: New file with SOM specific definitions.
27430 * elf.h: New file with ELF specific definitions.
27432 * elfos.h (const_section): Output a tab before assembler directives.
27433 (ctors_section, dtors_section): Likewise.
27434 (ASM_OUTPUT_SECTION_NAME): Likewise.
27436 * pa/pa1.h: Delete unused file.
27438 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27440 * configure.in (hppa*-hp-hpux11*): New configuration.
27441 * configure: Rebuilt.
27442 * pa/pa-hpux11.h: New file.
27443 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27446 * mips.md (leasi, leadi): New patterns.
27448 * expr.c (emit_block_move): Properly handle case where one of the
27449 block move arguments has a queued increment or decrement.
27450 (clear_storage): Similarly. Fix formatting goof.
27452 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27454 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27455 semicolon from the BSD VA_LIST replacement expression.
27457 * fixinc/inclhack.sh: regen
27458 * fixinc/fixincl.x: regen
27460 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27461 now use the fixincl program.
27463 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27465 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27466 case. Also make the PIC register call_used.
27468 * m68k.h (FINALIZE_PIC): Delete.
27469 * m68k.c (finalize_pic): Delete.
27471 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27473 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27476 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27478 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27480 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27482 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27484 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27486 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27488 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27490 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27492 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27494 * rs6000.c (output_toc): Always use hex values for floating-point
27495 constants. Store single-precision values in upper-half of TOC
27496 entry in 64-bit mode.
27497 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27498 to final constraints.
27499 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27500 (fctiwz): Improve accuracy of RTL for pattern.
27502 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27504 * expr.c (expand_expr): Allow RTL_EXPR's through the
27505 MAX_INTEGER_COMPUTATION_MODE checks.
27507 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27509 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27510 such that MASK_SUPPORT_ARCH is not negative.
27512 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27514 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27515 ADDR_DIFF_VEC insns that appear inside loops.
27517 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27518 Jeff Law <law@cygnus.com>
27520 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27521 Handle LO_SUM the same as offsettable in cases 1 and 2.
27522 * rs6000.c (find_addr_reg): Revert previous patch.
27524 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27526 * system.h (strstr): New external function declaration.
27527 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27528 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27529 * config.in, configure: Rebuilt.
27531 1999-06-24 Tom Tromey <tromey@cygnus.com>
27533 * gcc.c (main): Read user-specified specs files after computing
27534 additional startfile_prefixes.
27536 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27538 Revert these two patches:
27540 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27541 * loop.c (strength_reduce): When doing biv->giv conversion, update
27542 reg note of NEXT->insn.
27544 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27545 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27547 (recombine_givs): Set ix field after sorting.
27549 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27551 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27552 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27554 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27556 *fixinc/inclhack.def: Add fix development commentary
27557 (read_ret_type): reactivate and add selection clause
27558 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27559 *fixinc/{fixincl.x|inclhack.sh}: regen
27561 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27563 * expr.c (expand_expr): STRIP_NOPS before checking against
27564 MAX_INTEGER_COMPUTATION_MODE
27565 (check_max_integer_computation_mode): Likewise.
27567 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27569 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27571 1999-06-22 Jim Wilson <wilson@cygnus.com>
27573 * expr.c (store_expr): When target is a promoted subreg, return a
27574 promoted subreg as a result.
27576 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27578 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27580 (dwarf2out_define): Mark unused parameters appropriately.
27581 (gen_unspecified_parameters_die): Ditto.
27582 (gen_subprogram_die): Fix signed/unsigned warnings.
27583 (gen_variable_die): Ditto.
27585 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27587 * fixinc/inclhack.def(end_else_label): combined else_label
27588 and endif_label and fixed the sed expression.
27589 *fixinc/{fixincl.x|inclhack.sh}: regen
27591 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27593 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27594 'x' when handling non-offsettable addresses
27596 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27598 * final.c (shorten_branches): Don't try to split an insn that has
27601 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27603 * config/mips/mips.c (symbolic_expression_p): New function.
27604 (mips_select_rtx_section): Put symbolic expressions in the
27605 data section, not the read-only data section.
27607 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27609 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27611 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27613 * collect2.c (main): Log frame table count.
27614 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27615 (scan_prog_file) [COFF]: Handle frame tables.
27617 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27618 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27619 * alpha/elf.h: Undef them again.
27620 * alpha/vms.h: Remove their definitions.
27622 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27624 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27625 remove the clobber of r0 and change the REG_UNUSED note to
27628 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27630 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27631 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27632 fits in HOST_WIDE_INT and one uses union to access a long constant
27635 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27637 * sparc.c (sparc_override_options): Don't allow profiling for
27638 code models other than medlow.
27639 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27640 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27641 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27642 (sparc_block_profiler): Likewise.
27643 (sparc_function_block_profiler_exit): Likewise.
27644 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27645 (FUNCTION_BLOCK_PROFILER): Likewise.
27646 (BLOCK_PROFILER): Likewise.
27647 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27648 (MCOUNT_FUNCTION): New.
27649 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27650 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27651 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27652 (MCOUNT_FUNCTION): New.
27653 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27654 (BLOCK_PROFILER): Delete.
27655 (MCOUNT_FUNCTION): New.
27657 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27659 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27661 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27663 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27666 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27669 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27672 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27675 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27677 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27680 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27682 * i386/djgpp.h (LIB_SPEC): New.
27683 (STARTFILE_SPEC): New.
27685 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27687 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27689 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27692 * system.h (WSTOPSIG): New macro.
27694 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27696 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27698 (insert_pack_attributes): Take into account member natural
27701 * i386/winnt.c (exports_head): New static variable.
27702 (i386_pe_record_exported_symbol): New function.
27703 (i386_pe_asm_file_end): Use.
27704 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27705 symbols to be emitted at end of assembly.
27706 (ASM_DECLARE_OBJECT_NAME): Likewise.
27707 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27709 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27712 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27714 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27717 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27719 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27720 zapping reg_last_uses directly.
27721 (sched_analyze_2, sched_analyze_insn): Likewise.
27722 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27724 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27726 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27727 attributes for cases 1 and 2.
27729 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27731 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27734 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27736 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27738 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27740 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27741 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27742 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27743 must be stacked if it is used for PIC accesses.
27744 * arm.c (use_return_insn): Handle PIC register specially.
27745 (output_return_instruction): Likewise.
27746 (output_func_{prologue,epilogue}): Likewise.
27747 (output_expand_prologue): Likewise.
27749 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27750 (*strsi_predec): Renamed from *strqi_predec.
27751 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27752 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27754 * arm.c (arm_override_options): Remove warning about PIC code
27755 not being supported.
27757 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27759 * rs6000.c (find_addr_reg): New function.
27760 * rs6000.h (find_addr_reg): Declare.
27761 (offsettable_addr_operand): Delete.
27762 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27763 from and stores to GPRs.
27765 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27767 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27768 gen_sequence as argument to emit_no_conflict_block.
27770 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27772 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27773 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27774 *fixinc/fixincl.x: regen
27775 *fixinc/inclhack.sh: regen
27777 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27779 * added support for -mpcrel (PC relative addressing for m68k)
27780 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27781 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27782 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27783 (comments for general_src_operand): Add some explanation
27784 about EXTRA_CONSTRAINTS.
27785 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27786 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27787 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27788 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27789 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27790 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27791 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27792 if not already set.
27793 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27794 * m68k.h (TARGET_PCREL): New target flag.
27795 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27796 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27797 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27798 contains a SYMBOL_REF. Relax this constraint during reload, since
27799 we want to use the predicates, not reload's built-in concept of a
27800 valid memory address, to control what insns need reloading.
27801 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27802 operands (essentially 'g', 'm', and 's' under normal circumstances).
27803 * m68k.c (print_operand): Cause printing of pc-relative addresses
27804 to include pc register.
27805 (print_operand_address): Ditto.
27806 (general_src_operand): Accept operands that are not only
27807 general_operands, but are also valid when used as a pc-relative
27809 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27810 (memory_src_operand): Similar, for memory_operands.
27811 (pcrel_address): New predicate to accept the special case of a
27812 pc-relative address.
27813 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27814 QImode insns to accept *_src_operand instead of *_operand where
27815 pc-relative operands can fit. For example, a pc-relative operand
27816 can be used as a memory source operand for addsi3, but not as a
27817 memory destination.
27818 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27820 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27822 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27823 .thumb_set pseudo op to mark aliases of thumb functions.
27825 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27827 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27828 preference to ASM_OUTPUT_DEF, if it is defined.
27830 * tm.texi: Document new, optional target macro
27831 ASM_OUTPUT_DEF_FROM_DECLS.
27833 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27835 * fixincludes: ISCNTL patch
27836 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27837 (dgux_int_varargs): new for DG/UX
27838 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27840 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27842 * invoke.texi (ia32 options): Fix typo.
27844 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27846 * loop.c (strength_reduce): When doing biv->giv conversion, update
27847 reg note of NEXT->insn.
27849 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27851 * loop.c (move_movables): Note issues with replacing REGs with
27853 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27855 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27857 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27859 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27860 the reference to `mcount' was not correct for the ELF on FreeBSD.
27862 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27864 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27867 (recombine_givs): Set ix field after sorting.
27869 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27871 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27872 to safe to extract a subword out of a REG.
27874 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27876 * sh.md (mulsi3): Don't add a no-op move at the end.
27878 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27880 * cse.c (cse_insn): Don't put hard register source into tables for
27881 the last insn of a libcall.
27883 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27885 * loop.c (strength_reduce): Insert sets of derived givs at every
27886 biv increment, even if it's the only one.
27888 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27890 * dwarfout.c (add_incomplete_type): New fn.
27891 (output_type): Call it.
27892 (retry_incomplete_types): New fn.
27893 (dwarfout_finish): Call it.
27895 From Eric Raskin <ehr@listworks.com>:
27896 (output_type): Output types for bases.
27898 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27900 * mips.c (mips_output_conditional_branch): Add `break'
27901 between `default' label and `close braces'.
27903 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27905 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27906 specifications and make it realistic.
27907 (LIB_SPEC): Likewise.
27909 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27911 * config/mips/mips.c (mips_secondary_reload_class): Check for
27912 (PLUS (SP) (REG)) and return appropriate register class.
27913 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27914 Handle (PLUS (SP) (REG)).
27915 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27916 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27917 of emit_insn for tablejump.
27919 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27921 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27922 asm_fprintf format string by itself.
27923 (output_function_profiler): Likewise.
27925 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27927 * combine.c (simplify_logical, case AND): Only call
27928 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27929 or the constant is positive.
27931 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27933 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27934 * configure: Regenerate.
27936 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27938 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27939 require a sub-version #.
27940 * configure: Rebuilt.
27942 1999-06-14 Robert Lipe (robertlipe@usa.net)
27944 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27946 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27948 * c-typeck.c (process_init_element): Detect excess elements in
27949 char array initializer.
27951 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27953 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27955 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27957 * invoke.texi (Option Summary): Add -fpermissive flag.
27959 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27961 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27962 that require PIC code sequences.
27964 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27966 * configure.in: Add new target: thumb-elf.
27967 * configure: Regenerate.
27968 * config/arm/t-thumb-elf: New file: Makefile fragment for
27970 * config/arm/telf.h: New file: Header file for thumb-elf
27973 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27975 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27976 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27977 initializers is some circumstances.
27979 * fixinc/inclhack.def (endif_label): Add additional selector for
27980 more bogus stuff after #endif statements.
27981 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27983 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27985 * i386/cygwin.h (SET_ASM_OP): Define.
27987 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27989 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27991 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27993 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27996 * sh.md (ic_invalidate_line_i): Remove second alternative.
27998 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28000 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28001 test for the presence of valid prototypes. Delete bypass expr.
28002 (ioctl_fix_ctrl): Correct the selection expression.
28003 (no_double_slash): Correct quoting rules
28004 *fixinc/fixincl.x: regen
28005 *fixinc/inclhack.sh: regen
28007 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28009 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28011 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28013 * rs6000.md (movsi_got_internal_mem): Delete.
28014 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28015 (GOT_TOC_REGNUM): Delete.
28016 (PIC_OFFSET_TABLE_REGNUM): Define.
28017 (FINALIZE_PIC): Disable.
28018 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28019 (rs6000_replace_regno): Delete.
28020 (rs6000_finalize_pic): Likewise.
28021 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28023 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28025 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28026 is a note; use <= for the compare; advance P while it is
28029 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28031 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28032 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28034 * varasm.c (remove_from_pending_weak_list): Verify t->name
28035 is non-NULL before passing it to strcmp.
28037 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28039 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28040 the typed arguments are not part of a comment
28041 (ioctl_fix_ctrl): Added a purpose comment
28042 *fixinc/fixincl.x: regenerate
28043 *fixinc/inclhack.sh: regenerate
28045 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28047 * invoke.texi: Add C4x invocation docs.
28049 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28051 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28053 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28055 (c4x_legitimize_reload_address): New function.
28056 * config/c4x/c4x.md: Update docs.
28058 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28060 * fixincludes: Avoid removing '.'.
28061 * fixinc/fixinc.svr4: Likewise.
28062 * fixinc/fixinc.winnt: Likewise.
28063 * fixinc/inclhack.tpl: Likewise.
28064 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28066 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28068 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28070 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28072 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28074 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28077 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28079 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28080 * configure: Regenerate.
28082 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28084 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28087 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28089 * fixinc/inclhack.def (avoid_bool): Also catch
28090 "typedef [unsigned] int bool".
28091 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28093 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28094 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28095 * configure: Rebuilt.
28097 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28099 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28100 such that we can override its definitions if necessary.
28101 (CPP_SPEC): New define. Support processor specific predefines via
28103 (CC1_SPEC): New define. Support processor specific compiler
28104 options via %(cc1_cpu).
28105 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28108 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28110 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28111 between sed's -e flag, and the open-quote following it.
28112 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28114 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28115 Jeffrey A Law (law@cygnus.com)
28117 * varasm.c (assemble_start_function): Remove the function
28118 from the pending weak decls list when we define a function.
28119 (assemble_variable): Similarly for variables.
28120 (weak_finish): Ignore items on the list with a NULL name.
28121 (remove_from_ending_weak_list); New function to "remove" an item
28122 from the pending weak declarations list.
28124 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28126 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28128 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28130 * c-lex.c (GETC): Redefine to call getch.
28131 (UNGETC): Redefine to call put_back.
28132 (putback_buffer): New structure type.
28133 (putback): New static structure.
28134 (getch): New function.
28135 (put_back): New function.
28136 (yylex): Replace unused bytes from bad multibyte character.
28138 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28140 * cpplib.c (do_define): Cast `alloca' return value.
28141 (do_include, do_undef, do_pragma): Likewise.
28142 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28144 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28145 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28147 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28149 * sparc.md (abstf2): This should be an expand.
28150 (split after abstf2_notv9): Fix mode.
28151 (abstf2_hq_v9): New pattern.
28152 (abstf2_v9): Only use when no hard quad.
28153 (absdf2_v9): Fix if target is not the same as source.
28154 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28155 Add correct output constraints.
28157 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28159 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28160 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28162 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28164 * mips.h (mips_output_conditional_branch): New function.
28165 (mips_adjust_insn_length): Likewise.
28166 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28167 (ADJUST_INSN_LENGTH): Likewise.
28168 * mips.c (print_operand): Add `F' and `W' for floating-point
28169 comparison opcodes.
28170 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28172 (mips_adjust_insn_length): New function.
28173 (mips_output_conditional_branch): New function.
28174 * mips.md (length): Adjust attribute definition to handle
28175 conditional branches. Change lengths to bytes, rather than
28176 instructions throughout. Remove length attribute from
28177 instructions whose length is four bytes, and rely on the default
28179 (dslot): Fix typo in comment.
28180 Reword conditional branch patterns to use
28181 mips_output_conditional_branch.
28183 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28185 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28186 (LIB_SPEC): Likewise.
28187 Link with -lprof1_r for -g/-pg.
28189 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28191 * loop.c (check_dbra_loop): Fix change of Jan 19.
28193 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28195 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28196 (STARTFILE_SPEC): Define, override the svr4.h version.
28197 (ENDFILE_SPEC): Likewise.
28199 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28201 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28202 * fixinc/fixincl.x: Regenerated.
28203 * fixinc/inclhack.sh: Regenerated.
28205 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28207 * sh.c (barrier_align): Don't return early for normal branch/barrier
28208 when optimizing for SH2.
28210 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28212 * i386/udk.h (LINK_SPEC): Correct linker search path for
28215 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28217 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28218 (braf_label_ref_operand): Delete.
28219 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28220 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28221 label_ref, and has no predicate.
28222 The patten has a predicate to guard against invalid substitutions.
28223 (dummy_jump): Delete.
28224 (casesi): Update use of casesi_jump_2.
28226 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28228 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28229 *fixinc/fixincl.x: regenerate
28230 *fixinc/inclhack.sh: regenerate
28232 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28234 * dwarf2out.c (add_incomplete_type): New fn.
28235 (gen_struct_or_union_type_die): Call it.
28236 (retry_incomplete_types): New fn.
28237 (dwarf2out_finish): Call it.
28239 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28241 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28242 current block starts with a CODE_LABEL and ends with a CALL and
28243 we can not find all the argument setup instructions for the CALL.
28245 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28247 Revert this change:
28248 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28249 something is a candidate for optimize_bit_field_compare.
28251 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28253 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28255 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28257 * alpha.c (override_options): Thinko in last patch.
28259 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28260 (LIB_SPEC): Recognize -pthread.
28262 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28264 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28265 definition in config/arm/coff.h
28266 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28268 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28270 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28271 fixes that need "file=xxx\n" prepended before invocation
28272 (start_fixer - new): starting the fixer process is complex enough
28273 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28274 (process): uses the new routine; omit usage of putenv()
28275 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28276 * fixinc/fixincl.x: regenerate
28278 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28280 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28281 and version #s (1.1 -> 2.96) as needed.
28282 * README.g77: Kill way out of date file in the toplevel directory.
28284 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28286 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28287 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28288 * configure: Rebuilt.
28289 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28290 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28291 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28292 (SWITCH_TAKES_ARG): Likewise.
28293 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28294 * config/t-freebsd: Moved from config/i386/ so it can used for all
28297 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28299 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28301 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28303 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28304 * configure: Rebuilt.
28306 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28308 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28309 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28310 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28311 (rs6000_output_load_toc_table): Same.
28312 (output_prolog, output_mi_thunk): Same.
28313 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28314 (ASM_GLOBALIZE_LABEL): Use putc.
28316 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28318 * alpha.md (reload_*_help): New patterns and splitters.
28319 (reload_*): Use them.
28320 (mov[qh]i): Likewise.
28322 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28324 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28327 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28329 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28331 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28333 * flow.c (mark_regs_live_at_end, insn_dead_p,
28334 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28335 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28336 hasn't run or the frame pointer is needed.
28337 * haifa-sched.c (attach_deaths): Likewise.
28338 * sched.c (attach_deaths): Likewise.
28340 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28342 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28343 calculate_can_reach_end returns nonzero.
28345 * configure.in (native gas tests): Search for an assembler in the
28346 same manner that the installed compiler will.
28347 * configure: Rebuilt.
28348 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28350 * alias.c (find_base_term): Improve handling of addresses
28351 constructed from binary operations.
28353 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28355 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28357 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28359 * function.h (cleanup_label, frame_offset): Declare.
28360 (tail_recursion_label, tail_recursion_reentry): Likewise.
28361 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28362 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28363 (tail_recursion_label, tail_recursion_reentry): Likewise.
28364 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28366 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28368 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28370 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28371 (MAX_OFILE_ALIGNMENT): Define.
28373 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28375 * fixincl.c: Replace local include scheme with #includes of
28376 gansidecl.h and system.h.
28377 * procopen.c: Likewise.
28378 * server.c: Likewise.
28380 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28382 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28383 (crti.o): Add build rule and dependencies.
28384 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28386 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28388 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28389 (LIB_LINUX_SPEC): Likewise.
28390 (LIB_LINUX_SPEC): Add support for -pthread
28391 (CPP_OS_LINUX_SPEC): Likewise.
28392 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28395 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28397 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28399 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28400 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28401 for IEEE math and CC_FCOMI.
28402 (put_jump_code): No IEEE if CC_FCOMI is set.
28404 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28406 * fold-const.c (fold_truthop): Make the field reference unsigned
28407 when converting a single bit compare.
28409 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28411 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28413 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28415 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28416 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28419 * reload.c (push_reload): Do not call remove_address_replacements
28420 when presented with identical optional reloads.
28422 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28424 * alpha.h (MASK_FIX, TARGET_FIX): New.
28425 (MASK_*): Reorganize constants.
28426 (CPP_AM_FIX_SPEC): New.
28427 (TARGET_SWITCHES): Add FIX.
28428 (EXTRA_SPECS): Likewise.
28429 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28430 (SECONDARY_MEMORY_NEEDED): Likewise.
28431 (REGISTER_MOVE_COST): Likewise.
28432 * alpha.c (override_options): Add FIX support. Always use
28433 ALPHA_TP_PROG for ev6.
28434 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28435 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28436 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28438 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28440 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28441 something is a candidate for optimize_bit_field_compare.
28443 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28445 * gcc.texi (Passes): Document branch-shortening.
28446 * invoke.texi (Debugging Options): Document the fact that `-dp'
28447 outputs length information for instructions.
28449 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28451 * flow.c: Revert previous delta.
28453 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28455 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28456 FRAME_POINTER_REGNUM.
28457 (mark_set_1): Ditto.
28458 (mark_used_regs): Ditto.
28460 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28462 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28463 (GOT_PCREL): New macro. Define to 1 if not already defined.
28464 * arm/elf.h (GOT_PCREL): Define to 0.
28465 * arm.c (arm_finalize_pic): Take into account the setting of
28468 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28470 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28471 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28473 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28474 store elimination candidates.
28476 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28478 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28481 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28483 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28484 Add use of x-aix41-gld.
28486 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28488 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28489 (ASM_OUTPUT_DESTRUCTOR): Define.
28491 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28493 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28494 last CODE_LABEL in a loop if we have previously passed a jump
28495 to the top of the loop.
28497 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28499 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28500 applying Philip's patch.
28502 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28504 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28507 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28509 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28511 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28513 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28514 Also remove a useless comment.
28516 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28518 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28520 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28522 * collect2.c (main): Only generate import or export file and add
28523 to link arguments if non-empty. Use xmalloc not alloca.
28524 (write_{export,import}_file): Delete.
28525 (write_aix_file): New function.
28526 (locatelib): Use xmalloc not malloc.
28527 (GCC_OK_SYMBOL): Do not check type if aix64.
28529 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28531 Based on patch by Scott Bambrough and Pat Beirne:
28532 * config/arm/arm.c (making_const_table): New variable.
28533 * config/arm/arm.h (making_const_table): Declare.
28534 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28536 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28537 Keep track of when we are building the constant table.
28539 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28541 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28544 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28546 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28549 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28551 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28554 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28556 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28558 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28560 * rs6000.c (output_mi_thunk): Enable full support again.
28562 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28564 * sh.h (BRANCH_COST): Define.
28566 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28568 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28570 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28572 * function.c (assign_stack_local): Align stack slot propertly.
28573 (assign_outer_stack_local): Likewise.
28575 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28577 * expr.h (lang_expand_constant): Declare.
28578 * toplev.c (lang_expand_constant): Define it.
28579 * varasm.c (output_constant): Use it.
28581 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28583 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28584 Change function definitions to K&R style.
28586 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28588 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28590 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28592 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28593 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28594 (several places): omit static initialization
28595 (process): use single fd, since only the read fd is used
28596 * fixinc/gnu-regex.c: define 'const' away, if not supported
28597 * fixinc/procopen.c(several places): omit static initialization
28598 * fixinc/server.c: define 'volitile' away, if not supported
28600 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28602 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28603 asm_fprintf and %L to generate the label name.
28604 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28605 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28607 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28609 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28610 insn for a conditional jump can not be found.
28612 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28614 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28615 on variables in specific sections other than .sbss and .sdata.
28617 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28619 * stmt.c (expand_return): Call start_cleanup_deferral and
28620 end_cleanup_deferral around conditional code.
28622 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28624 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28625 filename lists. Utilizes new "krstr" AutoGen function.
28626 * fixinc/fixincl.x: Rebuilt.
28628 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28630 * i386.c (output_float_compare): Avoid GNU-C extensions.
28632 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28634 * version.c: Bump to distinguish mainline tree from the
28637 See ChangeLog.1 for earlier changes.