1 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
3 * diagnostic.c (init_output_buffer): Make it possible to output at
4 least 32 characters if we're given a too long prefix.
6 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8 * varasm.c (initializer_constant_valid_p): Call
9 lang_expand_constant to simplify the constant.
11 2000-02-20 Bruce Korb <bkorb@gnu.org>
13 * fixinc/inclhack.def(stdio_va_list):
14 typedef needs to be disabled.
15 * fixinc/inclhack.sh: regen
16 * fixinc/fixincl.x: regen
18 2000-02-20 Geoff Keating <geoffk@cygnus.com>
20 * print-rtl.c (print_rtx): Don't print addresses when
23 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25 * sparc.c (sparc_output_scratch_registers): Mark parameter with
27 (sparc_va_arg, sparc_flat_output_function_prologue,
28 sparc_flat_output_function_epilogue): Cast value to unsigned in
30 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
32 * sparc.md: Add default case in switch.
34 2000-02-19 Richard Henderson <rth@cygnus.com>
36 * c-typeck.c (add_pending_init): Don't abort for multiple
37 fields at the same offset.
38 (pending_init_member): Test the correct member.
40 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
42 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
44 (start_catch_handler) : Same.
46 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
48 * Makefile.in: Have flow.o depend on $(EXPR_H)
50 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
52 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
53 * c-decl.c (duplicate_decls, finish_enum): Likewise.
54 (finish_decl): Remove -Wlarger-than code from here.
55 * flags.h (id_clash_len): Now int.
56 (larger_than_size): Now HOST_WIDE_INT.
57 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
58 Clean up checking to see if in table.
59 (make_bit_field_ref): Remove extra parm to bitsize_int.
60 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
61 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
62 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
63 and for computing size of decl.
64 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
65 Move -Wlarger-than code to here.
66 (layout_record): Remove extra arg to bitsize_int.
67 Set TYPE_BINFO_SIZE_UNIT.
68 (layout_union): Remove extra arg to bitsize_int.
69 Use proper type for size of QUAL_UNION.
70 (layout_type): Remove extra arg to bitsize_int.
71 * toplev.c (id_clash_len): Now int.
72 (larger_than_size): Now HOST_WIDE_INT.
73 (decode_W_option): Clean up id-clash and larger-than- cases.
74 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
75 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
76 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
77 (struct tree_decl): New field size_unit.
78 (size_int_wide): No HIGH operand; NUMBER is now signed.
79 (size_int_2): Deleted.
80 (size_int, bitsize_int): Don't use it and rework args.
81 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
83 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
85 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
87 2000-02-18 Geoff Keating <geoffk@cygnus.com>
89 * invoke.texi (Warning Options): Add an explanation of why
90 you might want the -Wfloat-equal flag.
92 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
94 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
95 * cppinit.c (new_pending_define): Add cast to avoid warning.
96 * expmed.c (extract_bit_field): Likewise.
97 * flow.c (enum reorder_skip_type): New type.
98 (skip_insns_between_blcok): New it.
99 Rework to avoid warning about possibly undefined variable.
100 * function.c (assign_parms): Make thisparm_boundary unsigned.
101 * genrecog.c (write_switch): Cast XWINT result to int.
102 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
103 * mips-tfile.c (init_file): Make two versions of FDR intializer:
104 one for MIPS and one for Alpha.
105 (get_tag, copy_object): Add casts to avoid warnings.
106 * optabs.c (init_one_libfunc): Cast NAME to (char *).
107 * reload.c (find_reloads): Make TYPE enum reload_type.
108 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
109 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
110 * varasm.c (compare_constant_1): Add cast to avoid warning.
111 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
113 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
114 Cast switch operand of size to int.
115 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
116 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
119 2000-02-18 Nick Clifton <nickc@cygnus.com>
121 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
122 anything for an alignment of zero.
124 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
125 anything for an alignment of zero.
127 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
129 * gcc.texi (Bug Reporting): Refer to bugs.html.
130 (Bug Lists): Likewise.
131 * system.h (GCCBUGURL): New preprocessor define.
132 * rtl.c (fancy_abort): Use it.
133 * gcc.c (main): Likewise.
135 2000-02-18 Richard Henderson <rth@cygnus.com>
137 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
138 (life_analysis_1): Subsume into ...
139 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
140 Use update_life_info for the relaxation.
141 (update_life_info): Update REG_BASIC_BLOCK for registers live on
142 entry and regs_live_at_setjmp.
143 (set_noop_p): Simplify.
144 (notice_stack_pointer_modification_1): Renamed from s/_1//.
145 (record_volatile_insns): Split into ...
146 (delete_noop_moves): ... here,
147 (notice_stack_pointer_modification): ... here,
148 (insn_dead_p): ... and here.
149 (propagate_block): Don't query INSN_VOLATILE.
150 (mark_used_regs): Mind !PROP_REG_INFO.
151 * toplev.c (rest_of_compilation): Call mark_constant_function here,
152 not in life_analysis.
154 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
156 * loop.c (canonicalize_condition): New function,
157 broken out of get_condition.
158 (get_condition): Use it.
159 * expr.h (canonicalize_condition): Prototype it.
161 * tree.h (tree_int_cst_msb): Declare.
162 * tree.c (tree_int_cst_msb): New function.
164 2000-02-17 Mark Mitchell <mark@codesourcery.com>
166 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
169 * invoke.texi (-fmessage-length=n): Document.
171 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
173 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
175 2000-02-17 Mark Mitchell <mark@codesourcery.com>
177 * function.c (thread_prologue_and_epilogue_insns): Put a line note
180 2000-02-17 Nick Clifton <nickc@cygnus.com>
182 * config/arm/thumb.c: Replace includes of system headers with
185 2000-02-16 Richard Henderson <rth@cygnus.com>
187 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
188 Add crtbeginS.o and crtendS.o.
189 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
190 (ENDFILE_SPEC): Use crtendS.o.
191 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
193 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
194 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
196 (__dso_handle): New variable.
197 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
198 bias to __CTOR_END__.
200 2000-02-16 Richard Henderson <rth@cygnus.com>
202 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
204 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
206 * longlong.h (__clz_tab): Declare as static to match definition.
208 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
209 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
210 (XREF_FILE_NAME): Define.
212 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
213 (EH_FRAME_SECTION_ASM_OP): Define.
214 (IDENT_ASM_OP): Define.
215 (TEXT_SECTION_ASM_OP): Define.
217 (CTORS_SECTION_ASM_OP): Define.
218 (CTOR_SECTION_FUNCTION): Use it.
219 (DTORS_SECTION_ASM_OP): Define.
220 (DTOR_SECTION_FUNCTION): Use it.
222 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
224 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
227 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
228 debug_bb_n): New functions.
229 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
230 * basic-block.h: Prototype new functions.
232 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
234 * configure.in: Add support for avr target.
235 * configure: Rebuilt.
237 * invoke.texi: Add AVR invocation docs.
238 * install.texi: Add information about AVR.
239 * md.texi: Add AVR constraint letters description.
240 * extend.texi: Add description for AVR specific attributes.
242 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
244 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
246 2000-02-16 Nick Clifton <nickc@cygnus.com>
248 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
249 (make_insn_raw): Move RTL check here.
251 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * version.c: Include gansidecl.h and version.h.
255 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
257 * configure.in (gcc_version): When setting, narrow search to
258 lines containing `version_string'.
260 * Makefile.in (mainversion): Likewise.
261 (GCC_H): New variable.
262 (gcc.h): Delete target.
263 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
264 (version.o): Depend on version.h.
265 (dbxout.o): Don't depend on gcc.h.
267 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
268 Michael Meissner <meissner@cygnus.com>
270 * md.texi (Simple Constraints): Add item about whitespace.
271 * genoutput.c (strip_whitespace): New.
272 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
273 strip_whitespace for constraints.
274 Test pointer using NULL, not 0.
276 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
278 * cpplib.c (do_line): Pedwarn for #line > 32767.
280 * c-lex.c (readescape): Warn about '\x', but do not reject it.
282 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
284 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
286 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
287 * cpp.texi: Document __GNUC_PATCHLEVEL__.
290 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
293 2000-02-15 Denis Chertykov <denisc@overta.ru>
295 * configure.in: Add support for avr target.
297 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
299 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
300 (sh_addr_diff_vec_mode): Don't declare.
301 * sh.c (sh_addr_diff_vec_mode): Delete.
303 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
305 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
307 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
309 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
310 (smulsi3_highpart_i): Name.
311 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
312 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
313 (smulsi3_highpart, umulsi3_highpart): Likewise.
315 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
316 correctly independent of endianness.
317 (mulsidi3, umulsidi3): Now define_insn. Hide details that
318 confuse the optimizers.
319 (mulsidi3+1, umulsidi3+1): New define_split.
321 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
323 * config/sh/sh.md: Guard insn splits against illegal registers.
324 * config/sh/sh.h: Correct comment about macros.
326 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
327 Andrew MacLeod <amacleod@cygnus.com>
329 * Makefile.in (lcm.o): Depend on insn-attr.h.
330 * basic-block.h (optimize_mode_switching): Declare.
331 * lcm.c (tm_p.h, insn-attr.h): #include.
332 (seginfo, bb_info): New structs.
333 (antic, transp, comp, delete, insert) : New file-scope static variables.
334 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
335 (reg_becomes_live, optimize_mode_switching): Likewise.
336 * tm.texi: Add description of mode switching macros.
337 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
339 * sh-protos.h (remove_dead_before_cse): Remove prototype.
340 (fldi_ok, fpscr_set_from_mem): New prototypes.
341 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
342 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
343 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
344 (sh_flag_remove_dead_before_cse): Remove declaration.
345 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
346 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
347 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
348 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
349 (barrier_align): Allow for JUMP_INSNS containing a parallel.
350 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
351 (fldi_ok): New function.
352 (get_fpscr_rtx): Add fpscr_rtx as GC root.
353 (emit_sf_insn): Only generate fpu switches when optimize < 1.
354 (emit_df_insn): Likewise.
355 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
356 (sh_flag_remove_dead_before_cse): Delete.
357 (get_free_reg, fpscr_set_from_mem): New functions.
358 * sh.md (movdf, movsf): Remove no_new_pseudos code.
359 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
361 2000-02-15 Loren Rittle <ljrittle@acm.org>
363 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
365 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
367 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
368 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
370 * cccp.c: Include version.h and/or don't declare `version_string'.
371 * collect2.c: Likewise.
373 * arm/aof.h: Likewise.
374 * arm/coff.h: Likewise.
375 * arm/elf.h: Likewise.
376 * arm/pe.h: Likewise.
377 * arm/tcoff.h: Likewise.
378 * arm/telf.h: Likewise.
379 * arm/tpe.h: Likewise.
380 * arm/vxarm.h: Likewise.
381 * convex/convex.c: Likewise.
382 * i386/dgux.c: Likewise.
383 * i386/sun386.h: Likewise.
384 * m88k/m88k.c: Likewise.
385 * mcore/mcore-pe.h: Likewise.
386 * mips/mips.h: Likewise.
387 * romp/romp.h: Likewise.
389 * cpphash.c: Likewise.
390 * cppinit.c: Likewise.
391 * dwarf2out.c: Likewise.
392 * dwarfout.c: Likewise.
395 * mips-tfile.c: Likewise.
396 * protoize.c: Likewise.
397 * toplev.c: Likewise.
400 * version.c (version_string): Constify a char*.
402 * version.h: New file.
404 2000-02-14 Nick Clifton <nickc@cygnus.com>
406 * configure.in: Add mcore-elf and mcore-pe targets.
407 * configure: Regenerate.
409 * NEWS: Add note that MCore port has been contributed.
411 * invoke.texi: Document command line switches for MCore port.
412 * install.texi: Add MCore to list of supported targets.
414 2000-02-14 Geoff Keating <geoffk@cygnus.com>
416 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
417 then we will need to import the frame handling functions.
418 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
419 to import the frames themselves.
421 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
422 Jason Eckhardt <jle@cygnus.com>
424 * basic_block.h: Added prototype for reorder_basic_blocks.
425 * toplev.c: Changes to add -freorder-blocks and graph dump after
426 block reordering is done.
427 * flow.c (reorder_block_def): New structure for use during block
429 (REORDER_BLOCK_*): New macros to access members of above structure.
430 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
431 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
432 functions for block reordering.
434 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
436 * gcc.texi (Passes): Fix typo.
437 * md.texi (Standard Names): Ditto.
438 * tm.texi (Storage Layout): Ditto.
440 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
442 * cpplib.c (do_define): Only free the old definition if it
445 2000-02-13 Neil Booth <NeilB@earthling.net>
447 * cppfiles.c (read_and_prescan): When emitting deferred
448 newlines, test speccase[] again instead of checking each
449 possible whitespace character in turn. When we encounter \r,
450 look behind for \n first, then ahead.
452 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
454 * cse.c (cse_altered): New internal flag.
455 (cse_insn): Set it if we changed an insn.
456 (cse_main): Clear cse_altered before each basic block.
457 Only garbage collect if cse_altered is true afterward.
459 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
461 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
463 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
465 * combine.c (simplify_comparison): Fix typo.
467 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
469 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
472 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
474 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
475 previously inserted node instead of root node. Caller changed.
477 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
479 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
481 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
484 __dereg_frame_dtor): Add prototype argument.
486 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
488 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
490 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
492 * gthr-vxworks.h (__gthread_once): Likewise.
494 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
496 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
498 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
499 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
500 stack pointer in functions w/o saved registers, output LEAVE more often
501 on TARGET_USE_LEAVE machines.
503 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
505 * config/arm/arm.c (arm_init_cumulative_args); New function:
506 Initlaise the CUMULATIE_ARGS strcuture for a function
508 (arm_function_arg): New function: Determine where to place a
509 function's argument. Also handles deciding the function's
511 (current_file_function_operand): New function: Return true if
512 the symbol is a function which has already been compiled.
513 (arm_is_long_call_p): New function: Return true if the
514 indicated function should be called via a long call.
515 (arm_valid_type_attribute_p): New function: Return true if the
516 attribute is a valid, arm specific, attribute.
517 (arm_comp_type_attribute): New function: Return true if the
518 two types have compatable, arm specific, attributes.
520 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
522 (FUNCTION_ARG): Redefine to call arm_function_arg.
523 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
525 (INIT_CUMULATIVE_ARGS): Redefine to call
526 arm_init_cumulative_args.
527 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
529 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
531 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
533 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
534 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
535 (COMP_TYPE_ATTRIBUTES): Define.
537 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
538 if a long call is needed.
539 (call_value): Call arm_is_long_call_p to decide if a long call
541 (call_symbol): Call arm_is_long_call_p to decide if a long call
544 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
546 2000-02-11 Denis Chertykov <denisc@overta.ru>
548 * README.AVR: New file with information about the avr ports.
549 * config/avr: New directory with avr port files.
551 2000-02-11 Andreas Jaeger <aj@suse.de>
553 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
555 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
557 * cpphash.c: Fix formatting, update commentary.
558 (dump_definition): Take three separate arguments instead of a
559 MACRODEF structure argument.
560 * cpphash.h: Update prototype of dump_definition.
561 * cppinit.c (cpp_finish): Update call of dump_definition.
563 * cpplib.c (do_define): Always create new hash entry with
564 T_MACRO type. Remove redundant check for redefinition of
565 poisoned identifier. Update call of dump_definition.
566 (do_undef): Don't call check_macro_name. Rename sym_length to
568 (do_error, do_warning): Don't use copy_rest_of_line or
570 (do_warning): Don't use pedwarn for the actual warning,
571 only the notice about its not being in the standard. (Fixes
572 bug with #warning in system headers.)
573 (do_ident): Stricter argument checking - accept only a single
574 string after #ident. Also, macro-expand the line.
575 (do_xifdef): Use cpp_defined. De-obfuscate.
577 (do_pragma): Split out specific pragma handling to separate
578 functions. Use get_directive_token. Update commentary. Do
579 not pass on #pragma once or #pragma poison to the front end.
580 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
581 do_pragma_default): New.
583 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
585 * jump.c (jump_optimize_1): The first operand in a relational
587 * optabs.c (emit_conditional_move): Handle relationals which
588 have a known true/false result.
590 2000-02-11 Geoff Keating <geoffk@cygnus.com>
592 * function.c (thread_prologue_and_epilogue_insns): Don't insert
593 a RETURN insn into a block which already ends with a jump.
595 2000-02-11 Geoff Keating <geoffk@cygnus.com>
597 * haifa-sched.c (BUF_LEN): Increase a lot.
599 2000-02-11 Nick Clifton <nickc@cygnus.com>
601 * configure.in: Add tm_p_file specification for thumb targets.
602 * configure: Regenerate.
604 * config/arm/thumb-protos.h: New file: Prototypes for exported
605 functions defined in thumb.c.
607 2000-02-11 Robert Lipe <robertl@sco.com>
609 * Makefile.in (bootstrap-lean): Remove additional files.
610 (bootstrap2-lean): Likewise.
611 (VOL_FILES): List of files for above.
613 2000-02-11 Nathan Sidwell <nathan@acm.org>
615 * cpphash.c (special_symbol): Remove spurious argument to
618 2000-02-11 Joel Sherrill (joel@OARcorp.com>
620 * configure.in: (i*86-*-rtems*): Swapped elf and coff
622 * configure: Rebuilt.
624 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
626 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
628 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
630 * pa.c, pa.h: Remove trigraph sequences within comments.
632 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
634 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
636 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
638 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
640 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
642 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
644 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
646 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
647 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
648 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
649 (ASM_FILE_END): Use c4x_file_end.
650 * config/c4x/c4x.c (c4x_global_label): New function.
651 (c4x_external_ref, c4x_file_end): Likewise.
653 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
654 (c4x_external_ref, c4x_end_file): Likewise.
656 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
658 * cppexp.c: Don't include cpphash.h.
659 (parse_charconst, cpp_lex): Use cpp_defined.
660 (cpp_lex): Use get_directive_token throughout. Remove
661 unnecessary cases from switch. Move assertion-handling code
663 (cpp_parse_expr): If we see '+' or '-', check the context to
664 determine if they are unary or binary operators. Streamline
665 the jumps a bit. Do not call skip_rest_of_line.
667 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
668 static. Export get_directive_token. Update commentary.
669 (cpp_defined): New function.
670 (do_define): Remove reference to T_PCSTRING. Call
671 free_definition to release memory for old definition, when
673 (eval_if_expression): Set only_seen_white to 0 before calling
674 cpp_parse_expr. Call skip_rest_of_line after it returns.
675 (cpp_read_check_assertion): Don't preserve a pointer into the
676 token buffer across a call to cpp_get_token.
678 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
679 * cppfiles.c (redundant_include_p): Use cpp_defined.
680 * cpphash.c (free_definition): New function.
681 (delete_macro): Use it. Update commentary.
682 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
684 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
685 from enum node_type. Prototype cpp_defined and get_directive_token.
686 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
688 * fix-header.c (check_macro_names): Use cpp_defined.
689 (read_scan_file): Set inhibit_warnings and inhibit_errors in
690 the options structure.
692 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
694 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
696 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
698 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
699 rather than die->die_tag.
701 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
703 * combine.c (make_extraction, force_to_mode): Avoid warning on
704 mixed-signedness conditionals.
705 (make_field_assignment, nonzero_bits): Likewise.
706 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
707 (store_split_bit_field, extract_split_bit_field): Likewise.
708 (extract_fixed_bit_field, store_bit_field,
709 * expr.c: Change alignment to be unsigned everywhere.
710 (move_by_pieces, store_constructor_field, store_constructor):
711 Alignment parm is unsigned.
712 (emit_block_move, emit_group_load, emit_group_store): Likewise.
713 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
714 (do_compare_rtx_and_jump): Likewise.
715 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
716 Compare align with GET_MODE_ALIGNMENT.
717 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
718 (get_inner_reference): Likewise.
719 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
720 (expand_assignment): Local vars for alignment now unsigned.
721 (store_constructor, store_field, expand_expr, do_jump): Likewise.
722 (do_compare_and_jump): Likewise.
723 (store_field): Call new function expr_align.
724 * expr.h (emit_block_move, emit_group_load, emit_group_store):
725 Alignment arg now unsigned.
726 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
727 (do_compare_rtx_and_jump, store_bit_field): Likewise.
728 (extract_bit_field): Likewise.
729 * fold-const.c (add_double): Add cast to eliminate signedness warning.
730 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
731 (get_best_mode): Alignment arg is unsigned.
732 * rtl.h (move_by_pieces): Likewise.
733 * store-layout.c (maximum_field_alignment, set_alignment):
735 (layout_decl): Alignment arg is now unsigned.
736 Remove unneeded casts.
737 (layout_record, layout_union, layout_type): Remove unneeded casts.
738 Local alignment variables now unsigned.
739 (get_best_mode): Alignment arg now unsigned.
740 * tree.c (expr_align): New function.
741 * tree.h (expr_align): Likewise.
742 (maximum_field_alignment, set_alignment): Now unsigned.
743 (get_inner_reference): Alignment argument is now pointer to unsigned.
744 * varasm.c (assemble_variable): Add cast to eliminate warning.
746 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
748 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
749 then store directly into op0.
751 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
752 the CALL_INSN, and emit the note immediately after it.
754 2000-02-10 Nick Clifton <nickc@cygnus.com>
756 * config/arm/thumb.md (epilogue): Include a (return) in the
757 generated insn, and emit it using emit_jump_insn not
760 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
762 * function.c (assign_temp): Change zero-sized arrays to size 1.
763 * integrate.c (expand_inline_function): Do not update
764 stack_alignment_needed
765 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
766 add some sanity checking, remove optimization for function with
769 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * flow.c (mark_regs_live_at_end): Delete unused variables.
773 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
775 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
776 in macro FRAME_GROWS_DOWNWARD.
778 * stmt.c (expand_end_bindings): Delete unused variable.
780 * unroll.c (iteration_info): Mark parameter `loop' with
783 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
785 * fixinc/server.c (load_data): Return NULL if the marker line is
787 (run_shell): If load_data returns NULL, retry the command once, in
790 * configure: Rebuilt.
792 2000-02-09 Bruce Korb <bkorb@gnu.org>
794 * gcc/fixincludes: ** DELETED **
795 * gcc/fixcpp: ** DELETED **
796 * gcc/fixinc-nt.sed: ** DELETED **
797 * gcc/just-fixinc: ** DELETED **
798 * gcc/Makefile.in: Removed out-dated commentary
799 * gcc/configure.in: Removed fast-fixincludes disablement.
800 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
802 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
803 * function.c (thread_prologue_and_epilogue_insns): Uncomment
806 2000-02-09 Richard Henderson <rth@cygnus.com>
808 * jump.c (delete_insn): Don't delete user labels at -O0.
810 2000-02-09 Robert Lipe <robertl@sco.com>
812 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
813 Don't link with HOST_LIBS.
815 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
817 * configure.in: Correct --help text for --with-dwarf2.
818 Put tm-dwarf2.h after other tm files, if it's requested.
819 * configure: Regenerate.
820 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
823 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
825 * cpplib.h: Provide HASHNODE typedef and forward decl of
826 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
827 DEFINITION, struct hashnode, struct macrodef, struct
828 definition, scan_decls prototype, default defn of
829 INCLUDE_LEN_FUDGE moved elsewhere.
831 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
832 definition, and struct hashnode moved here. Remove the unused
833 'predefined' field from struct definition. Replace the 'args'
834 union with its sole member. All users updated (cpphash.c).
835 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
836 multiple include guard.
838 * cpphash.c (hashf): Make static; use better algorithm; drop
839 HASHSIZE parameter; return an unsigned int.
840 (cpp_lookup): Drop HASH parameter. PFILE parameter is
841 used. Calculate HASHSIZE modulus here.
842 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
844 (create_definition): Drop PREDEFINITION parameter.
845 * cpplib.c (do_define): Don't calculate a hash value here.
846 Don't pass (keyword == NULL) to create_definition.
848 * scan.h: Prototype scan_decls here.
849 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
850 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
851 callers of cpp_lookup and cpp_install updated.
853 * cpphash.c (macarg): Hoist all the flag diddling out of the
855 (macroexpand): ... and out of the loop that calls macarg.
856 Skip over the initial paren before macro arguments with
857 cpp_get_non_space_token; point may be some distance before
858 that paren. Abort if it's not there.
860 * cpplib.c (parse_clear_mark): Delete function.
861 (parse_set_mark, parse_goto_mark): Make static.
862 (ACTIVE_MARK_P): New macro.
863 (skip_block_comment, skip_line_comment): Do not bump the line
864 if ACTIVE_MARK_P is true.
865 (cpp_pop_buffer): The buffer to be popped may not have an
867 (cpp_get_token): When looking for the initial paren before
868 macro arguments, only set a mark in a file buffer, Always
869 return to that mark before proceeding to call macroexpand or
872 * cpplib.h: Remove prototypes of parse_set_mark,
873 parse_clear_mark, parse_goto_mark.
874 (struct cpp_options): Rename 'put_out_comments' to
875 'discard_comments' and invert its sense.
876 * cppinit.c, cpphash.c, cpplib.c: All users of
877 put_out_comments changed to use discard_comments, with
880 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
882 * function.c (thread_prologue_and_epilogue_insns): Don't delete
883 the edge from a block that both jumps and falls through to the
886 2000-02-09 Scott Bambrough <scottb@netwinder.org>
888 * config/arm/arm.md (movsi): In PIC mode, make sure that a
889 constant source address is legitimate.
891 2000-02-09 Philip Blundell <pb@futuretv.com>
893 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
896 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
898 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
900 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
902 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
903 ends with a newline and a NUL. Don't be so clever manipulating
906 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
908 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
909 not to BIGGEST_ALIGNMENT.
911 2000-02-08 Geoff Keating <geoffk@cygnus.com>
913 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
914 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
915 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
916 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
917 * frame.c (execute_cfa_insn): Handle
918 DW_CFA_GNU_negative_offset_extended.
920 2000-02-08 Richard Henderson <rth@cygnus.com>
922 * flow.c (tidy_fallthru_edges): Split out from ...
923 (delete_unreachable_blocks): ... here.
924 (find_basic_blocks): Use it.
926 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
928 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
930 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
932 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
933 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
934 (fix-header.o): Don't depend on cpphash.h.
936 * scan.c (hashstr): New function.
937 * scan.h: Prototype it.
938 * fix-header.c: Don't include cpphash.h. Use hashstr.
939 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
940 hashstr. Report hash table statistics. Add private
941 definition of xrealloc.
943 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * i386.h (TARGET_SWITCHES): Fix typo in option name.
947 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
949 * function.c (thread_prologue_and_epilogue_insns): Don't replace
950 jumps with returns unless they are jumps to the fallthru block.
952 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
954 * i386.md (addqi3_cc): Fix contraints.
956 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
958 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
960 2000-02-07 Mark Mitchell <mark@codesourcery.com>
962 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
963 carriage return after a macro name.
965 2000-02-07 Fred Fish <fnf@be.com>
967 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
968 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
970 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
972 * cppfiles.c (deps_output): Count spacers in deps_column.
974 2000-02-07 Neil Booth <NeilB@earthling.net>
976 * cppinit.c (initialize_dependency_output): If there is no
977 suffix, don't try to look for known suffixes. Use strrchr.
978 (cpp_start_read): Remove duplicate initialization.
980 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
982 * calls.c (compute_argument_block_size): New argument
983 preferred_stack_boundary.
984 (expand_call): update cfun->preferred_stack_boundary, update call of
985 compute_argument_block_size
986 (emit_library_call): Increate cfun->preferred_stack_boundary
987 to PREFERRED_STACK_BOUNDARY
988 (emit_library_call_value): Likewise.
989 * explow.c (allocate_dynamic_stack_spave): Likewise.
990 * function.c (prepare_function_start): Set
991 cfun->preferred_stack_boundary
992 * function.h (struct function): Add preferred_stack_boundary field.
993 * integrate.c (expand_inline_function): Update
994 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
995 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
996 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
998 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
1000 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
1001 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
1002 cpp_pedwarn, cpp_pedwarn_with_line,
1003 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
1004 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
1005 v_cpp_error_with_line, v_cpp_warning_with_line,
1006 cpp_message_from_errno, cpp_perror_with_name): Delete.
1008 * cpperror.c (cpp_print_containing_files): Take starting
1010 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
1011 (v_cpp_message): Now called directly by all entry points.
1013 (cpp_pfatal_with_name, cpp_message): Delete.
1014 (cpp_notice_from_errno, cpp_ice): New functions.
1015 (cpp_notice): Is now for reporting error conditions, just
1016 without an associated file.
1017 (cpp_error, cpp_error_with_line): Don't do anything if
1018 opts->inhibit_errors is on.
1019 (cpp_pedwarn_with_file_and_line): Take column argument also.
1021 * cpplib.h: Update prototypes of exported functions.
1022 (struct cpp_options): Add inhibit_errors.
1024 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
1025 non-error messages. Include intl.h.
1027 * cppinit.c, cppmain.c: Likewise. Also, use
1028 cpp_notice_from_errno instead of cpp_perror_with_name or
1029 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
1031 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
1032 report internal errors.
1034 * cpplib.c (do_define): Switch bcopy to memcpy.
1035 Give cpp_pedwarn_with_file_and_line a dummy column argument.
1037 * cpplib.c (copy_rest_of_line): Revert previous change: don't
1038 bail out early if we hit a line comment.
1040 2000-02-06 Richard Henderson <rth@cygnus.com>
1042 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
1043 * basic-block.h: Declare them.
1044 * emit-rtl.h (active_insn_p): New.
1045 (next_active_insn, prev_active_insn): Use it.
1046 * rtl.h: Declare it.
1047 * function.c (emit_return_into_block): New.
1048 (thread_prologue_and_epilogue_insns): Insert return insns instead
1049 of epilogues when possible.
1050 * jump.c (jump_optimize_1): Remove code to insert a return insn
1051 on the fallthru to the exit block.
1053 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
1054 and for non-empty stack frames.
1055 * i386.md (return): Expand to return-pop as needed.
1057 2000-02-06 Richard Henderson <rth@cygnus.com>
1059 * simplify-rtx.c (simplify_relational_operation): Canonicalize
1060 constant to op1 for testing.
1062 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1064 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
1065 (fixuns_truncqfqi2): Use it.
1067 2000-02-06 Richard Henderson <rth@cygnus.com>
1069 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
1072 * i386.md (widening and peepholes): Mask the constant instead of
1075 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1077 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
1078 input pointer before possibly branching off to the backslash
1080 * cpphash.c (macroexpand): Correctly delete \r escapes when
1081 stringifying parameters.
1082 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
1083 if we can; bail out early if we hit a line comment.
1084 (handle_directive): Treat '# 123' in an .S file just like
1085 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
1086 Return 1 for '# not_a_directive'.
1087 (get_directive_token): Pop macro buffers here, so that
1088 cpp_get_token can't sneakily move past a newline.
1090 (cpp_get_token): goto randomchar if handle_directive returns 0.
1092 * cppalloc.c: Update copyright.
1093 * cpplib.c: Merge all the static function prototypes into one
1095 * cpplib.h: Remove #if 0 block.
1097 * cpperror.c: Remove #ifdef EMACS block.
1098 * cppmain.c: Likewise.
1099 * cpphash.c: Remove #if 0 blocks.
1100 * cppinit.c: Remove #if 0 blocks, and the -lint option.
1101 * cpplib.c: Remove #if 0 blocks and code referencing
1102 pcp_inside_if or for_lint. Remove duplicate error message.
1103 Fix error messages for #else after #else or #elif. Reformat.
1104 Remove archaic TODO list.
1105 * cpplib.h: Remove pcp_inside_if and for_lint flags.
1107 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1109 * i386/osf1elf.h: Add missing backslash to multiline string.
1111 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
1115 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1117 * Makefile.in (c-common.o): Depend on $(EXPR_H).
1119 * c-common.c: Include expr.h.
1121 * c-pragma.c (mark_align_stack): Add prototype.
1123 * caller-save.c (add_stored_regs): Likewise.
1125 * combine.c (record_promoted_value): Likewise.
1127 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
1130 * cppinit.c (new_pending_define): Likewise.
1132 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
1134 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
1135 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1136 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
1137 class_scope_p): Likewise.
1139 * dwarf2out.h (dwarf2out_set_demangle_name_func,
1140 dwarf2out_add_library_unit_info): Likewise.
1142 * ggc.h (ggc_page_print_statistics): Likewise.
1144 * haifa-sched.c (propagate_deps): Likewise.
1146 * reg-stack.c (next_flags_user, record_label_references): Likewise.
1148 * rtl.h (set_stack_check_libfunc): Likewise.
1150 * toplev.h (set_fatal_function): Likewise.
1152 * toplev.c (set_fatal_function): Delete prototype.
1154 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
1156 2000-02-05 Geoff Keating <geoffk@cygnus.com>
1158 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
1159 (FUNC_END): Likewise.
1161 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1163 * caller-save.c: Include tm_p.h.
1165 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1167 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
1169 2000-02-04 Neil Booth <NeilB@earthling.net>
1171 * cccp.c (main): Check 'dir' for a NULL pointer before passing
1174 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
1176 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
1177 * genflags.c: Use the max_operand_1 logic from genemit.c to
1178 calculate how many arguments gen_insn prototypes have. Remove
1179 NO_MD_PROTOTYPES ifdefs from the generated file.
1180 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
1181 file. Cast gen_insn initializers to insn_gen_fn.
1182 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
1183 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
1185 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * fixinc/Makefile.in (HDR): Add machname.h.
1190 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1192 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
1193 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
1194 (c4x_cpu_version): Ditto.
1195 * config/c4x/c4x-protos.h: ... here.
1197 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
1199 * dwarf2out.c (add_abstract_origin_attribute): Don't call
1200 gen_abstract_function on our context if we're a nested function.
1202 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1204 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
1205 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
1207 2000-02-04 Bruce Korb <bkorb@gnu.org>
1209 * fixinc/genfixes(machname.h):
1210 Move the functionality from gen-machine.h into this file.
1211 UNdef MN_NAME_PAT if there are no names to change.
1212 Also, be a little kinder when AutoGen is not present.
1214 * fixinc/Makefile.in(machname.h):
1215 Change the generation rule to use genfixes.
1217 * fixinc/fixfixes.c(machine_name):
1218 machine_name_fix's functionality now dependent upon whether
1219 MN_NAME_PAT is defined.
1221 * fixinc/fixtests.c(machine_name):
1224 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
1227 * fixinc/fixlib.h(mn_get_regexps):
1230 * fixinc/gen-machine.h: DELETED
1232 2000-02-04 Jan Hubicka <jh@suse.cz>
1233 Richard Henderson <rth@cygnus.com>
1235 * i386.c (SAVE_REGS_FIRST): Remove.
1236 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
1237 (ix86_compute_frame_size): Likewise.
1238 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
1239 (ix86_emit_restore_regs): Remove.
1240 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1241 when a frame pointer is in use.
1242 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1243 instead of pop to restore a register when profitable; emit leave
1245 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1247 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1248 * i386.md (prologue_allocate_stack): Remove.
1249 (epilogue_deallocate_stack): Remove.
1250 (pro_epilogue_adjust_stack): New.
1252 2000-02-04 Richard Henderson <rth@cygnus.com>
1254 * function.c (diddle_return_value): Rework to use a callback function.
1255 Use current_function_return_rtx if it's been set up.
1256 (do_clobber_return_reg, clobber_return_register): New.
1257 (do_use_return_reg, use_return_register): New.
1258 (expand_function_end): Use them.
1259 * stmt.c (expand_null_return): Likewise.
1260 * function.h: Declare them.
1261 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1262 (mark_reg): Change arguments as appropriate for callback.
1263 * integrate.c (expand_inline_function): Revert 19 Jan change.
1265 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1267 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1268 (Misc): Say the scheduler, not the Haifa scheduler.
1270 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1272 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1273 when in_mem is set. Update all callers.
1275 2000-02-04 Richard Henderson <rth@cygnus.com>
1277 * i386/openbsd.h (INT_ASM_OP): Define.
1279 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1281 * tm.texi: Fix various typos.
1283 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1285 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1286 (MD_STARTFILE_PREFIX_1): New macro.
1288 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1290 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1291 destination when needed.
1292 (strmovsi, strsetsi): New expander.
1293 (strmovsi_1, strsetsi_1): New pattern.
1294 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1295 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1296 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1297 * invoke.texi (align-stringops, inline-all-stringops): Document.
1299 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1301 * i386/netbsd.h (INT_ASM_OP): Define.
1303 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1305 * cpplib.h (cpp_reader): Add new flag, no_directives.
1306 * cpphash.c (macarg): Set it.
1307 * cpplib.c (handle_directive): If no_directives is on and we
1308 find a directive, issue an error and discard the line.
1310 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1312 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1313 FP constants. Add ! TARGET_FPU check for FP constants.
1315 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1317 * flow.c (find_basic_blocks): Don't kill label_value_list
1319 (cleanup_cfg): Kill it here.
1321 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1323 * expr.c (store_field): Ensure ALIGN is no stricter than the
1326 2000-02-02 Richard Henderson <rth@cygnus.com>
1328 * jump.c (delete_insn): Partially revert 19 Jan change;
1329 don't convert unused code labels to notes at -O0.
1331 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1333 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1334 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1336 2000-02-01 Richard Henderson <rth@cygnus.com>
1338 * i386.c (general_no_elim_operand): New.
1339 (nonmemory_no_elim_operand): New.
1340 (ix86_expand_move): Copy eliminable operands before a push.
1341 * i386-protos.h: Declare new functions.
1342 * i386.h (CAN_ELIMINATE): Simplify.
1343 (PREDICATE_CODES): Update.
1344 * i386.md (push insns): Don't allow eliminable register operands.
1346 2000-02-01 Richard Henderson <rth@cygnus.com>
1348 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1349 replace BLKmode with DECL_RTL's mode.
1351 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1353 * frame.c (find_fde): Convert for loop to do-while so compiler
1354 sees it's always executed at least once.
1355 * libgcc2.c (BBINBUFSIZE): Kill.
1356 (__bb_init_prg): Use fgets.
1357 (__bb_exit_trace_func): Don't paste strings.
1358 * unroll.c (unroll_loop): Initialize unroll_type, not
1359 unroll_number, and tweak logic to match.
1361 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1363 (ix86_flags_dependant): Likewise. Disentangle control flow.
1364 (ix86_sched_reorder): Break guts out to
1365 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1366 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1369 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1370 use string concatenation. Don't save and restore esi.
1372 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1373 (machname.h): Remove script to separate file. Use two-step
1374 sequence so target is not created if script fails.
1375 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1376 identifiers are defined.
1377 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1378 an empty string, machine_name doesn't need to do anything at
1380 (is_cxx_header): Add more cases to regexp.
1381 * fixinc/fixlib.h: Update prototype.
1382 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1384 * fixinc/fixincl.c: Define NO_BOGOSITY.
1386 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1387 (hp_sysfile): Add missing comma.
1388 (math_exception): Put the wrapper ifdefs at the beginning and
1389 the end of the file.
1390 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1392 2000-02-01 Richard Henderson <rth@cygnus.com>
1394 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1395 Use CONST0_RTX. Update all callers.
1396 * sparc.h, sparc-protos.h: Update accordingly.
1397 * sparc.md (fp mov insns): Use fp_zero_operand directly
1400 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1402 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1405 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1407 * Makefile.in (specs.ready): New target.
1408 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1410 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1412 * fixinc.irix: Use unique filenames for writing into /tmp,
1413 * fixinc.ptx: Likewise.
1414 * fixinc.sco: Likewise.
1415 * fixinc.svr4: Likewise.
1416 * fixinc.winnt: Likewise.
1418 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1420 * tsystem.h: New file.
1422 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1423 s-crtS): Depend on tsystem.h.
1425 * crtstuff.c: Include tsystem.h.
1426 * frame.c: Likewise.
1427 * libgcc2.c: Likewise.
1429 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1431 * builtins.c (expand_builtin_memset): Expand for variable sized
1434 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1436 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1439 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1441 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1443 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1445 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1447 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1448 case 3->2 combining (combining with splitting) in which 2 is CC0
1449 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1450 checked at the begining of the function with the aid of calling
1451 function 'can_combine_p'.
1453 2000-01-31 Dave Brolley <brolley@redhat.com>
1455 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1457 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1459 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1462 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1466 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1469 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1471 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1472 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1473 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1474 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1475 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1476 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1477 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1478 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1479 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1480 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1482 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1483 Add %(cpp_cpu) to CPP_SPEC.
1485 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1486 Add %(cc1_cpu) to CC1_SPEC.
1488 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1490 * c-decl.c (c_decode_option): Accept optional numeric argument to
1491 -Wformat and set warn_format.
1492 * c-common.c: Don't emit warning about non-constant printf format
1493 string unless warn_format > 1.
1495 2000-01-30 Richard Henderson <rth@cygnus.com>
1497 * alpha.md (return_internal): Allow after reload only.
1499 2000-01-30 Richard Henderson <rth@cygnus.com>
1501 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1502 local frame size is zero.
1504 2000-01-30 Richard Henderson <rth@cygnus.com>
1506 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1507 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1508 * alpha.md (return): Turn into an expander.
1509 (return_internal): Don't use $26.
1510 (epilogue): Emit the return insn.
1512 2000-01-30 Richard Henderson <rth@cygnus.com>
1514 * alpha.md (negtf2, abstf2): Fix word order thinko.
1516 (trunctfsf2): Avoid intermediate rounding errors.
1518 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1520 * cppfiles.c (find_position): Drop 'colp' argument, return the
1522 (read_and_prescan): Adjust to match. Don't ever manipulate
1523 line or line_base except via find_position.
1525 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1527 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1528 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1531 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1533 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1534 just print "<command line>". If 'filename' is null or an
1535 empty string, print "<stdin>" for the filename.
1536 * cpplib.c (do_define): Don't print the 'location of the
1537 previous definition' message if we're still parsing the
1539 (cpp_pedwarn_with_file_and_line): Always call
1540 cpp_file_line_for_message.
1542 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1544 * flow.c (mark_regs_live_at_end): Fix typo.
1546 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1548 * c-common.c: Adjust variable names, comments, help strings to c99.
1549 * c-lex.c: Likewise.
1550 * c-parse.y: Likewise.
1551 * c-tree.h: Likewise.
1553 * cpplib.h: Likewise.
1554 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1555 * cppinit.c: Likewise.
1557 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1559 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1560 * c4x.c: Define the optab rtx values.
1561 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1562 (c4x_emit_libcall): Use new optab rtx values.
1563 (c4x_emit_libcall3): Likewise.
1564 (c4x_emit_libcall_mulhi): Likewise.
1565 * c4x-protos.h: Add prototypes for optab rtx values and change
1566 prototypes for above c4x_emit_libcall functions.
1568 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1570 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1572 (c4x_function_prologue): Use regnames intead of float_reg_names when
1574 (c4x_function_epilogue): Likewise.
1575 (c4x_print_operand): Likewise.
1576 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1577 * c4x.md (set_high): Disable for TARGET_TI.
1579 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1581 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1582 of framepointer + constant to ADDR_REGS class.
1583 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1584 * c4x.c (std_or_reg_operand): New function.
1585 * c4x-protos.h (std_or_reg_operand): Prototype it.
1587 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1589 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1590 object names as libgcc2.c.
1591 * libgcc.S: Use newly defined names.
1593 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1594 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1596 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1597 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1598 (FLOW_LOOP_LAST_BLOCK): Likewise.
1600 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1602 * basic-block.h (struct loop): New fields 'first' and 'last'.
1603 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1604 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1605 and loop->last to check for NOTE_INSN_LOOP_END.
1607 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1609 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1610 of the loop descriptor rather than HEADER and LATCH. Also added
1611 missing break statements as well making some coding style modifications
1612 as suggested by Michael Hayes.
1614 2000-01-28 Richard Henderson <rth@cygnus.com>
1616 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1617 Break out that code ...
1618 (cleanup_cfg): ... here.
1619 (commit_one_edge_insertion): Detect a return instruction being
1620 emitted to an edge. Emit a barrier following; clear fallthru.
1621 (commit_edge_insertions): Verify CFG consistency.
1622 * function.c (expand_function_start): Kill unused variable.
1623 (expand_function_end): Likewise.
1624 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1625 to insert the epilogue.
1627 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1628 (delete_null_pointer_checks): Likewise.
1629 * output.h: Likewise.
1630 * reg-stack.c (reg_to_stack): Likewise.
1631 * toplev.c (rest_of_compilation): Likewise. Run
1632 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1634 2000-01-28 Richard Henderson <rth@cygnus.com>
1636 * Makefile.in (flow.o): Revert 24 Jan change.
1637 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1638 FUNCTION_VALUE result to DECL_RESULT's mode.
1640 * haifa-sched.c (schedule_insns): Don't recompute reg info
1643 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1645 * configure.in: Make --enable-cpplib the default.
1646 * configure: Regenerate.
1647 * gcc.dg/990119-1.c: No longer expected to fail.
1649 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1651 * jump.c (jump_optimize_1): Delete an optimization that is also done
1652 by merge_blocks in flow.
1654 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1656 * diagnostic.c (build_message_string, output_printf,
1657 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1658 (build_location_prefix): Fix non-literal format string.
1660 2000-01-27 Richard Henderson <rth@cygnus.com>
1662 * alpha.md (trunctfsf2): New.
1664 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1666 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1668 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1670 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1672 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1674 (skip_comment) ... here. Permit C++ comments in system
1675 headers always. Warn about C++ comments in user code under
1676 -std=gnu89 -pedantic.
1677 (copy_comment): Use skip_comment.
1678 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1680 (consider_directive_while_skipping, do_else, do_endif): Call
1681 validate_else unconditionally.
1682 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1683 text after the conditional in a system header.
1684 * cpplib.h (struct cpp_buffer): Add flag
1685 warned_cplusplus_comments.
1687 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1689 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1690 Use unshare_all_rtl_1.
1691 (unshare_all_rtl_again): New function.
1692 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1694 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1695 rather than resetting the 'used' flags ourself.
1697 * toplev.c (rest_of_compilation): Add current_function_decl
1698 to the unshare_all_rtl call.
1699 * tree.h: Prototype unshare_all_rtl.
1700 * rtl.h: Prototype unshare_all_rtl_again here.
1702 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1704 * genoutput.c (output_prologue): Include ggc.h in generated
1706 * Makefile.in (insn-output.o): Depends on ggc.h.
1708 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1709 Hans-Peter Nilsson <hp@bitrange.com>
1711 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1712 Remove redundant include of xm-ns32k.h.
1713 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1714 Remove redundant include of xm-ns32k.h.
1715 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1716 Remove redundant include of xm-ns32k.h.
1717 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1719 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1720 (TARGET_SWITCHES): Add documentation strings.
1721 (DWARF_FRAME_REGNUM): Override default definition.
1722 (REG_CLASS_CONTENTS): Add comments.
1723 (SUBSET_P): Format to reduce line length.
1724 (SMALL_REGISTER_CLASSES): Make a run time option.
1725 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1726 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1727 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1728 (regclass_map): fix typo in comment.
1729 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1730 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1731 (trace, reg_or_mem_operand): Delete, unused function.
1732 (calc_address_cost): Small offsets are cheaper than large ones.
1733 (expand_block_move): Generate more efficient code when bytes is a
1734 known at compile time.
1735 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1736 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1737 instead of reg_or_mem_operand.
1739 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1740 not general_operand. Similarly use "=rm" or stricter, not "=g".
1741 For input operands, use stricter constraints than "g" if not
1742 general_operand. Similarly use stricter predicate than
1743 "general_operand" when stricter constraints than "g" are present,
1744 except for matching constraints.
1745 (movstrsi): Use "memory_operand" for operands 0 and 1.
1746 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1747 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1748 not reg_or_mem_operand.
1749 (udivmoddisi4): Ditto.
1750 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1751 Use nonimmediate_operand for operand 3, not register_operand.
1752 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1755 2000-01-27 Fred Fish <fnf@be.com>
1757 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1758 * gthr-single.h: Likewise.
1759 * gthr-solaris.h: Likewise.
1760 * gthr-vxworks.h: Likewise.
1761 * gthr-win32.h: Likewise.
1764 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1766 * cppinit.c: Add " (cpplib)" to end of string printed by
1769 2000-01-27 Richard Henderson <rth@cygnus.com>
1771 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1772 testing for a signed comparison.
1773 (alpha_emit_floatuns): New.
1774 * alpha-protos.h: Declare it.
1775 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1776 (extendsfdf2): Tidy.
1778 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1780 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1781 no -g option specifying debugging format, default to -gstabs+.
1783 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1785 * calls.c (special_function_p): New argument fork_or_exec.
1786 (expand_call): When profile_arc_flag is set and the function
1787 is in the fork_or_exec group, call __bb_fork_func first.
1788 * libgcc2.c, _bb module (__bb_fork_func): New function.
1789 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1791 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1792 * tree.h (special_function_p): Update prototype.
1794 2000-01-26 Richard Henderson <rth@cygnus.com>
1796 * alpha.c (alpha_split_tfmode_pair): New.
1797 * alpha-protos.h: Declare it.
1798 * alpha.md (abstf2, negtf2): New.
1799 (movtf insn): Add input G constraint.
1800 (movtf splitter): Use alpha_split_tfmode_pair.
1802 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1804 * i386/cygwin.h: PROTO -> PARAMS.
1806 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1808 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1809 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1810 using _Qp_cmp/_Q_cmp and testing the return value.
1811 (print_operand): Call reverse_condition_maybe_unordered if
1812 we are handling CCFPmode or CCFPEmode.
1813 Handle ORDERED, UN* and LTGT comparisons.
1814 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1815 if not TARGET_HARD_QUAD.
1816 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1817 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1818 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1819 Adjust gen_b* calls so that they reflect return comparison of
1820 sparc_emit_float_lib_cmp.
1822 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1824 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1825 incoming operands array is large enough for one more operand.
1826 (alpha_emit_xfloating_arith): Likewise.
1828 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1830 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1831 file with one line and no trailing newline.
1832 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1833 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1834 checking if the match is on the line.
1835 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1837 2000-01-25 Richard Henderson <rth@cygnus.com>
1839 * sparc.c (output_cbranch): Fix accidental squashing of the
1840 fp branch pre-delay nop.
1842 2000-01-25 Richard Henderson <rth@cygnus.com>
1844 * tree.def (UNNE_EXPR): Remove.
1845 * c-typeck.c (build_binary_op): Don't handle it.
1846 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1848 * rtl.def (UNNE): Remove.
1850 * jump.c (reverse_condition): Update accordingly.
1851 (swap_condition): Likewise.
1852 (comparison_dominates_p): Handle unordered comparisons.
1853 (reverse_condition_maybe_unordered): New.
1854 * rtl.h (reverse_condition_maybe_unordered): Declare.
1856 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1857 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1858 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1859 * sparc.md (bltgt): New.
1861 2000-01-25 Nick Clifton <nickc@redhat.com>
1863 * emit-rtl.c (emit_insn): Only check machine class insns for
1864 improper emission of a RETURN.
1866 2000-01-25 Richard Henderson <rth@cygnus.com>
1868 * Makefile.in (flow.o): Depend on $(EXPR_H).
1869 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1870 duplicate the structure of diddle_return_value for keeping regs live.
1872 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1874 * loop.c (current_loop_info): Delete.
1875 (consec_sets_invariant_p): Add loop argument, update callers.
1876 (get_condition_for_loop): Likewise.
1877 (count_nonfixed_reads, update_giv_derive): Likewise.
1878 (simplify_giv_expr, general_induction_var): Likewise.
1879 (consec_sets_giv, recombine_givs): Likewise.
1880 (move_movables): Delete loop_start and loop_end arguments,
1881 add loop argument, and update callers.
1882 (find_mem_givs, check_final_value): Likewise.
1883 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1884 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1886 (basic_induction_var): Add loop argument, delete loop_level argument,
1888 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1889 add loop argument, and update callers.
1890 (find_splittable_regs, find_splittable_givs): Likewise.
1891 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1892 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1893 (biv_total_increment): Delete loop_start and loop_end arguments;
1895 (precondition_loop_p): Delete loop_start and loop_info arguments;
1897 * loop.h (get_condition_for_loop): Add loop argument.
1898 (biv_total_increment): Delete loop_start and loop_end arguments.
1899 (precondition_loop_p): Delete loop_start and loop_info arguments;
1901 (final_biv_value): Delete loop_start and loop_end arguments;
1903 (final_giv_value, back_branch_in_range_p): Likewise.
1905 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1907 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1909 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1911 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1912 point to the new "generated_files" doc.
1914 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1916 * config/fp-bit.c (_unord_f2): Fix typo.
1918 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1920 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1921 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1922 functions obsoleted by GC, such as push_obstacks_nochange,
1923 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1924 and code which existed only to decide whether or not to call
1925 them. Remove now-unused NESTED argument from start_function;
1926 all callers changed. Do not change behavior based on ggc_p.
1927 The use of the ixp_obstack in c-iterate.c and the util_obstack
1928 in objc/objc-act.c remain; these are not obsoleted by garbage
1930 * c-tree.h: Update prototype for start_function.
1932 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1934 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1936 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1939 2000-01-25 Richard Henderson <rth@cygnus.com>
1941 * sparc-protos.h (select_cc_mode): Declare.
1942 * sparc.c (select_cc_mode): New. Handle unordered compares.
1943 (output_cbranch): Always reverse via code change. Handle
1944 unordered compares. Factor tests and string updates.
1945 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1946 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1947 * sparc.md (bunordered, bordered): New.
1948 (bungt, bunlt, buneq, bunge, bunle): New.
1950 2000-01-25 Richard Henderson <rth@cygnus.com>
1952 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1953 * ggc-common.c (ggc_add_rtx_varray_root): New.
1954 (ggc_mark_rtx_varray): New.
1955 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1956 functions down below ggc_mark_foo.
1957 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1959 2000-01-25 Richard Henderson <rth@cygnus.com>
1961 * alpha.c (secondary_reload_class): Don't allocate a secondary
1962 for integral mode memories into FLOAT_REGS. Rearrange the more
1963 complicated memory expression inward.
1965 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1967 * inclhack.def: Fixes to play nicer with FreeBSD, and
1968 corrections to comments.
1969 (cxx_unready): Add select expression.
1970 (irix_sockaddr): Add bypass expression.
1971 (machine_ansi_h_va_list): New fix.
1972 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1973 Split out addition of "#include <stdarg.h>" to...
1974 (stdio_stdarg_h): ... here.
1975 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1976 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1977 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1979 (ultrix_ifdef): Tighten up select expression.
1981 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1982 re_ct and max_mach to avoid use of shell. Make printed names
1983 match names in inclhack.def. Use static copyright date.
1984 Don't count c_test and test expressions as requiring regex_t
1985 slots. Add some commentary.
1986 * inclhack.tpl: Do not include the 'This script contains N
1987 fixup scripts' line if PROGRAM is defined. Use static
1990 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1992 * dwarf2out.c: include "varray.h", not dyn-string.h.
1993 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1994 (addr_const_to_string, addr_to_string): Lose.
1995 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1996 (struct dw_val_struct): val_addr is now an rtx.
1997 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1998 (used_rtx_varray): New varray.
1999 (dwarf2out_init): Initialize it.
2001 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
2003 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
2004 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
2005 * Makefile.in (dwarf2out.o): Update dependencies.
2007 2000-01-24 Richard Henderson <rth@cygnus.com>
2009 * i386.c (i386_dwarf_output_addr_const): New.
2010 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
2012 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
2014 * dwarfout.c (output_mem_loc_descriptor): Likewise.
2015 * i386.c (i386_simplify_dwarf_addr): New.
2016 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
2018 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
2020 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
2021 TYPE_STUB_DECL is NULL.
2023 2000-01-24 Richard Henderson <rth@cygnus.com>
2025 * builtins.c (expand_tree_builtin): Move ...
2026 * c-common.c (expand_tree_builtin): ... here.
2028 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2030 * loop.h (LOOP_INFO): New accessor macro.
2031 * basic-block.h (struct loop): Rename field `info' to `aux'.
2032 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
2033 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
2034 * unroll.c (loop_iterations, unroll_loop): Likewise.
2036 2000-01-24 Christopher Faylor <cgf@cygnus.com>
2038 * config/i386/t-cygwin: Accomodate new winsup directory layout
2039 when searching for include files.
2041 2000-01-24 Richard Henderson <rth@cygnus.com>
2043 * rtl.def: Add unordered fp comparisions.
2044 * tree.def: Likewise.
2045 * tree.h: Add ISO C 9x unordered fp comparision builtins.
2047 * builtins.c (expand_tree_builtin): New function.
2048 * c-typeck.c (build_function_call): Use it.
2049 (build_binary_op): Support unordered compares.
2050 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
2052 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
2053 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
2054 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
2055 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
2056 * jump.c (reverse_condition): Don't abort for UNLE etc, but
2058 (swap_condition): Handle unordered compares.
2059 (thread_jumps): Check can_reverse before reversing.
2060 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
2063 * optabs.c (can_compare_p): New argument CODE. Verify branch or
2064 setcc is present before acking for cmp_optab. Update all callers.
2065 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
2066 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
2067 * expr.c (expand_expr): Likewise. Support unordered compares.
2068 (do_jump, do_store_flag): Likewise.
2069 * expr.h (enum libfunc_index): Add unordered compares.
2071 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
2072 (DPBIT_FUNCS): Add _unord_df.
2073 * config/fp-bit.c (_unord_f2): New.
2074 * fp-test.c (main): Try unordered compare builtins.
2076 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
2077 * alpha.c (alpha_comparison_operator): Check mode properly.
2078 (alpha_swapped_comparison_operator): Likewise.
2079 (signed_comparison_operator): Likewise.
2080 (alpha_fp_comparison_operator): New.
2081 (alpha_emit_conditional_branch): Handle unordered compares.
2082 * alpha.h (PREDICATE_CODES): Update.
2083 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
2084 (bunordered, bordered): New.
2086 2000-01-24 Richard Henderson <rth@cygnus.com>
2088 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
2089 * alpha.md (movtf): New expander, insn, and splitter.
2091 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
2093 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2096 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
2098 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
2099 (FIXED_REGISTERS, CALL_USED_REGISTERS,
2100 REG_ALLOC_ORDER): Add frame pointer
2101 (FRAME_POINTER_REGNUM): Set to 20
2102 (HARD_FRAME_POINTER_REGNUM): New macro.
2103 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
2104 to HARD_FRAME_POINTER.
2105 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
2106 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
2107 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
2108 (HI_REGISTER_NAMES): Add "frame".
2109 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
2110 (debug_reg): Handle FRAME_POINTER_REGNUM.
2111 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
2112 GENERAL_REGS and INDEX_REGS.
2113 * i386.c (SAVED_REGS_FIRST): new macro.
2114 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
2115 (ix86_decompose_address, memory_address_length): Likewise.
2116 (regclass_map): Add frame pointer.
2117 (call_insn_operand): Handle frame_pointer_rtx.
2118 (reg_no_sp_operand): Likewise.
2119 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
2120 (print_operand, legitimize_pic_address): Fix formating.
2121 (ix86_compute_frame_size): Make static, update prototype, new
2122 parameters padding1, padding2, use ix86_nsaved_regs, use
2123 stack_alignment_needed.
2124 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
2125 to HARD_FRAME_POINTER_REGNUM conversions.
2126 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
2127 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
2128 (print_reg): Abort on FRAME_POINTER_REGNUM
2130 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
2132 * i386.h (PREDICATE_CODES): Add aligned_operand.
2133 * i386.c (aligned_operand): New function.
2134 (ix86_aligned_p): Kill.
2135 * i386.md (movhi_1): Emit mov for aligned operands.
2136 (promoting peep2s): Use aligned_operand.
2138 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
2140 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
2141 expression to allow underscores in macro names.
2142 (fix_char_macro_defines): Increment scanning pointer.
2144 2000-01-23 Richard Henderson <rth@cygnus.com>
2146 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
2147 * alpha/osf5.h: New file.
2148 * configure.in (alpha-*-osf5): Add it to tm_file.
2150 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
2152 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
2153 (alpha_emit_xfloating_cvt, function_arg): Declare.
2154 * alpha.c (alpha_emit_conditional_branch): Call
2155 alpha_emit_xfloating_compare for TFmode compares.
2156 (alpha_lookup_xfloating_lib_func): New.
2157 (alpha_compute_xfloating_mode_arg): New.
2158 (alpha_emit_xfloating_libcall): New.
2159 (alpha_emit_xfloating_arith): New.
2160 (alpha_emit_xfloating_compare): New.
2161 (alpha_emit_xfloating_cvt): New.
2162 (print_operand): Add default abort case.
2163 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
2164 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
2165 (BIGGEST_ALIGNMENT): Increase to 128 bits.
2166 (RETURN_IN_MEMORY): True for TF/TCmode.
2167 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
2168 (FUNCTION_ARG): Move to function_arg.
2169 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
2170 (ASM_OUTPUT_LONG_DOUBLE): New.
2171 (ASM_OUTPUT_DOUBLE): Always output bits.
2172 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
2173 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
2174 (extenddftf2, trunctfdf2): New.
2176 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2178 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
2179 * config/sparc/sol2.h: ... here.
2181 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2183 * basic-block.h (struct loops): New field `levels'.
2184 * flow.c (flow_loops_level_compute): Traverse all outer loops.
2185 (flow_loop_level_compute): Initialise level to 1.
2186 (flow_loops_find): Set loops->levels.
2187 (flow_loops_dump): Print loops->levels.
2189 2000-01-23 Richard Henderson <rth@cygnus.com>
2191 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
2192 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
2194 2000-01-23 Richard Henderson <rth@cygnus.com>
2196 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
2197 * i386.h (DBX_REGISTER_NUMBER): Use them.
2198 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
2199 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
2200 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
2201 * i386/sequent.h: Kill incorrect comment.
2203 2000-01-23 Mark Mitchell <mark@codesourcery.com>
2205 * ggc-page.c (struct page_entry): Make `context_depth' an
2207 (struct globals): Likewise.
2209 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
2211 * loop.c (check_dbra_loop): When checking a loop for
2212 reversability, check the source of any stores to ensure
2213 they don't depend on an initial value.
2215 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2217 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
2219 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
2221 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
2222 'pz_scan' into scope of entire function. Only affects
2223 compiles with -DDEBUG.
2225 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
2227 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
2228 section naming to that prior to 2000-01-07 patch.
2229 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
2230 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
2231 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
2232 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
2233 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
2235 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
2237 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
2240 2000-01-21 Jim Wilson <wilson@cygnus.com>
2242 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2243 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2245 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2247 * cpphash.c (change_newlines): Delete function.
2248 (struct argdata): Delete 'newlines' and 'use_count' fields.
2249 (macroexpand): Remove code referencing those fields.
2251 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2253 * loop.c (loops_info): New variable.
2254 (loop_optimize): Allocate loops->array and free it on exit.
2255 Allocate memory for loops_info and assign to each loop,
2257 (find_and_verify_loops): Do not allocate loops->array.
2259 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2261 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2263 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2265 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2266 pseudos if expanded after first flow.
2267 (movdi_pic_label_ref): Likewise.
2269 2000-01-20 Richard Henderson <rth@cygnus.com>
2271 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2273 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2275 * Makefile.in (fixinc.sh): Depend on specs.
2276 * fixinc/Makefile.in: Add rule to create machname.h.
2277 (fixlib.o): Depend on machname.h.
2278 * fixinc/fixtests.c (machine_name): New test.
2279 * fixinc/fixfixes.c (machine_name): New fix.
2280 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2281 the machine_name test and fix.
2282 * fixinc/fixlib.h: Prototype it.
2283 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2284 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2286 * gcc.c (do_spec_1) [case P]: Take care not to create
2287 identifiers with three leading or trailing underscores.
2289 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2290 (fixincl): Don't specify libraries twice on link line.
2291 (gnu-regex.o): Remove special rule.
2292 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2293 defined by config.h. Do not define _REGEX_RE_COMP.
2294 (regcomp): Allocate and initialize a fastmap.
2295 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2297 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2299 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2301 2000-01-19 Richard Henderson <rth@cygnus.com>
2303 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2304 arguments with BB. Update all callers. Tidy line wrapping.
2306 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2308 * emit-rtl.c (try_split): Return last_insn if we split the
2311 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2313 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2314 (ix86_initial_elimination_offset): Declare.
2315 * i386.c (ix86_nsaved_regs): Break out from ...
2316 (ix86_can_use_return_insn_p): ... here.
2317 (ix86_emit_save_regs): Break out from ...
2318 (ix86_expand_prologue): ... here.
2319 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2321 (ix86_expand_epilogue): ... here.
2322 (ix86_compute_frame_size): Make static, add prototype.
2323 (ix86_initial_elimination_offset): Break out from ...
2324 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2326 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2328 * recog.h (OUT_FCN): Delete.
2330 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2332 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2334 * cppalloc.c: PROTO -> PARAMS.
2335 * cpperror.c: Likewise.
2336 * cppfiles.c: Likewise.
2337 * cpplib.c: Likewise.
2338 * cpplib.h: Likewise.
2340 * config/arm/arm-protos.h: PROTO -> PARAMS.
2341 * config/arm/arm.c: Likewise.
2342 * config/c4x/c4x.c: Likewise.
2343 * config/fr30/fr30-protos.h: Likewise.
2344 * config/nextstep.c: Likewise.
2345 * config/pa/pa.c: Likewise.
2346 * config/pj/pj.c: Likewise.
2347 * config/rs6000/rs6000.c: Likewise.
2348 * config/v850/v850-protos.h: Likewise.
2349 * config/v850/v850.c: Likewise.
2351 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2353 * i370-protos.h: New file.
2355 * i370.c: Include tm_p.h. Fix compile time warnings.
2357 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2360 * i370.md: Likewise.
2362 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2364 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2365 (target_isinf, target_isnan, eisnan): Mark parameter with
2367 (eiisinf): Wrap in INFINITY.
2368 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2369 (ibmtoe): Remove unused variable `rndsav'.
2371 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2373 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2374 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2376 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2378 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2379 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2380 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2382 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2383 Recognize Emacs mode markers also.
2384 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2385 C++ comments in C++ headers. Call is_cxx_header only if
2388 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2390 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2391 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2392 ... these, which use the new C fixes.
2393 (math_exception): Escape literal '+' in bypass expression.
2395 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2398 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2400 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2403 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2405 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2406 prior to calling scan_loop.
2408 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2410 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2411 (split_branches, calc_live_regs): Likewise.
2413 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2415 * sh.md (fpu_single, fp_mode): New attributes.
2417 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2419 * loop.c (current_loop_info): Renamed from loop_info_data
2420 and changed to a pointer.
2421 (loop_optimize): Allocate loop_info structure for each loop
2422 and initialise to zero.
2423 (scan_loop): Set current_loop_info.
2425 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2428 2000-01-19 Richard Henderson <rth@cygnus.com>
2430 * stupid.c: Die die die.
2431 * Makefile.in (OBJS): Remove stupid.o.
2432 (stupid.o): Likewise.
2434 * except.c (emit_eh_context): Don't emit USEs for stupid.
2435 * explow.c (probe_stack_range): Likewise.
2436 * flags.h (obey_regdecls): Remove.
2437 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2438 when not optimizing.
2439 (life_analysis): Limit data collection when not optimizing.
2440 (mark_regs_live_at_end): Always mark the return value registers.
2441 (mark_used_regs): Remove dummy RETURN case.
2442 (print_rtl_with_bb): Don't consult obey_regdecls.
2443 * function.c (use_variable, use_variable_after): Remove.
2444 (assign_parms): Consult optimize not obey_regdecls.
2445 (expand_function_start): Don't emit USEs for stupid.
2446 (expand_function_end): Likewise.
2447 * global.c (build_insn_chain): Export.
2448 * integrate.c (expand_inline_function): Kill return-value USE
2450 * jump.c (jump_optimize_1): Do simple jump optimizations and
2451 dead code elimination.
2452 (calculate_can_reach_end): Remove check_deleted argument.
2453 (delete_insn): Patch out insns even when not optimizing.
2454 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2455 * rtl.h (use_variable, use_variable_after): Remove declarations.
2456 (build_insn_chain): Declare.
2457 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2458 (expand_end_bindings): Likewise.
2459 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2460 * toplev.c (obey_regdecls): Remove.
2461 (rest_of_compilation): Don't set it. Kill stupid in favour of
2462 flow1, local-alloc, and reload.
2463 (main): Don't set obey_regdecls.
2465 * config/nextstep.c (handle_pragma): Likewise.
2467 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2469 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2471 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2473 * alpha-protos.h: PROTO -> PARAMS.
2474 * alpha.c: Likewise.
2476 * h8300.c: Likewise.
2477 * i386-protos.h: Likewise.
2479 * m32r-protos.h: Likewise.
2482 * mips.md: Likewise.
2483 * gmon-sol2.c: Likewise.
2484 * sparc.c: Likewise.
2486 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2488 * ns32k-protos.h: New file.
2490 * ns32k.c: Fix compile time warnings.
2492 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2495 * ns32k.md: Likewise.
2497 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * vax-protos.h: New file.
2501 * vax.c: Fix compile time warnings.
2503 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2508 * vaxv.md: Likewise.
2510 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * romp-protos.h: New file.
2514 * romp.c: Fix compile time warnings.
2516 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2519 * romp.md: Likewise.
2521 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2523 * we32k-protos.h: New file.
2525 * we32k.c: Fix compile time warnings.
2527 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2530 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2532 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2534 * except.c (eh_regs): Likewise.
2536 * final.c (output_operand): Likewise.
2538 * fold-const.c (target_isinf, target_isnan): Likewise.
2540 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2542 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2543 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2545 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2547 (clrstrsi): Rewrite.
2548 (strsethi, strsetqi): New expanders.
2549 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2550 (cmpstrsi): Emit compare insn before cmpstrsi_1
2551 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2552 (strlensi_1): Likewise.
2553 (cmpstrsi_1): Likewise; do not output compare.
2554 (strlen expander): Do not unroll when optimizing for size.
2555 (*subsi3_carry): Rename to subsi3_carry
2556 (addqi3_cc): New pattern.
2557 * i386.h (processor_costs): Add move_ratio field.
2558 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2559 * i386.c (*_cost): Set move_ratio.
2560 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2561 (x86_expand_strlensi_1): Rewrite the main loop.
2563 2000-01-17 Richard Henderson <rth@cygnus.com>
2565 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2566 * cse.c (find_comparison_args, fold_rtx): Likewise.
2567 * integrate.c (subst_constants): Likewise.
2568 * loop.c (get_condition): Likewise.
2570 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2572 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2574 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2576 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2577 (RESTORE_WARN_FLAGS): Unpack it.
2578 Change semantic type of extension to ttype.
2579 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2580 * c-parse.y, c-parse.c, objc/objc-parse.y,
2581 objc/objc-parse.c: Regenerate.
2583 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2585 * fixinc/fixlib.c: Add copyright notice.
2586 (compile_re): New function.
2587 * fixinc/fixlib.h: Prototype compile_re.
2589 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2590 Use compile_re to compile regular expressions.
2592 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2593 where the pattern matched.
2595 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2597 (ultrix_ansi_compat): Likewise.
2598 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2600 (interactv_add2, interactv_add3): Delete.
2601 (x11_sprintf): Don't use filename glob.
2602 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2605 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2607 * print-rtl.c: PROTO -> PARAMS.
2609 * reg-stack.c: Likewise.
2610 * resource.c: Likewise.
2611 * sdbout.h: Likewise.
2612 * simplify-rtx.c: Likewise.
2613 * stor-layout.c: Likewise.
2614 * stupid.c: Likewise.
2615 * xcoffout.c: Likewise.
2616 * xcoffout.h: Likewise.
2618 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * toplev.c: PROTO -> PARAMS.
2621 * toplev.h: Likewise.
2624 * unroll.c: Likewise.
2625 * varasm.c: Likewise.
2626 * varray.c: Likewise.
2627 * varray.h: Likewise.
2629 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2631 * reload.c: PROTO -> PARAMS.
2632 * reload.h: Likewise.
2633 * reload1.c: Likewise.
2634 * reorg.c: Likewise.
2635 * resource.h: Likewise.
2638 * rtlanal.c: Likewise.
2639 * sbitmap.h: Likewise.
2640 * sdbout.c: Likewise.
2641 * stack.h: Likewise.
2643 * system.h: Likewise.
2645 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * machmode.h: PROTO -> PARAMS.
2648 * mbchar.h: Likewise.
2649 * mips-tdump.c: Likewise.
2650 * mips-tfile.c: Likewise.
2651 * optabs.c: Likewise.
2652 * output.h: Likewise.
2653 * prefix.c: Likewise.
2654 * profile.c: Likewise.
2655 * protoize.c: Likewise.
2657 * recog.c: Likewise.
2658 * recog.h: Likewise.
2659 * regclass.c: Likewise.
2660 * regmove.c: Likewise.
2663 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2665 * ggc-common.c: PROTO -> PARAMS.
2666 * ggc-page.c: Likewise.
2667 * ggc-simple.c: Likewise.
2669 * global.c: Likewise.
2670 * graph.c: Likewise.
2671 * gthr-win32.h: Likewise.
2672 * haifa-sched.c: Likewise.
2673 * halfpic.h: Likewise.
2674 * integrate.c: Likewise.
2675 * integrate.h: Likewise.
2678 * local-alloc.c: Likewise.
2682 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2684 * genattr.c: PROTO -> PARAMS.
2685 * genattrtab.c: Likewise.
2686 * gencheck.c: Likewise.
2687 * gencodes.c: Likewise.
2688 * genconfig.c: Likewise.
2689 * genemit.c: Likewise.
2690 * genextract.c: Likewise.
2691 * genflags.c: Likewise.
2692 * gengenrtl.c: Likewise.
2693 * genopinit.c: Likewise.
2694 * genoutput.c: Likewise.
2695 * genpeep.c: Likewise.
2696 * genrecog.c: Likewise.
2698 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2700 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2702 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2704 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2705 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2706 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2707 * configure, config.in: Rebuilt.
2709 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2711 * config/i386/i386.md: Add peephole to merge successive stack
2714 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2716 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2717 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2718 when walking backwards to find all the parameter loads when
2719 the basic block ends in a call.
2721 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2723 * loop.c (this_loop_info): Delete.
2724 (uid_loop): Add in place of uid_loop_num. All uses updated.
2725 (loop_number_exit_count): Delete and replace with entry in loop
2726 structure. All uses updated.
2727 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2728 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2729 (loop_outer_loop): Likewise.
2730 (loop_invalid, loop_number_exit_labels): Likewise.
2731 (loop_used_count_register): Delete and replace with entry in
2732 loop_info structure.
2733 (find_and_verify_loops): Add loops argument.
2734 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2735 loop_end, etc. arguments with loop structure pointer. All callers
2737 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2738 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2739 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2740 (insert_bct): Likewise.
2741 (basic_induction_var): New argument level.
2742 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2743 vtop, and cont. Add used_count_register.
2744 (uid_loop): Delete declaration.
2745 (loop_number_exit_count): Likewise.
2746 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2747 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2748 (loop_outer_loop, loop_used_count_register): Likewise.
2749 (loop_invalid, loop_number_exit_labels): Likewise.
2750 (unroll_loop): Replace loop_start and loop_end arguments
2751 with loop structure pointer.
2752 (loop_precondition_p, loop_iterations): Likewise.
2753 Include basic-block.h.
2754 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2755 with loop structure pointer.
2756 (loop_precondition_p, loop_iterations): Likewise.
2757 * basic-block.h (struct loop): New entries vtop, cont,
2758 cont_dominator, start, end, top, scan_start, exit_labels,
2760 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2762 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2764 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2766 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2768 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2770 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * pdp11-protos.h: New file.
2774 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2777 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2780 * pdp11.md: Likewise.
2784 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2786 * mn10300-protos.h: New file.
2788 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2791 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2794 * mn10300.md: Likewise.
2796 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * mn10200-protos.h: New file.
2800 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2803 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2806 * mn10200.md: Likewise.
2808 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2810 * h8300-protos.h: New file.
2812 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2815 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2818 * h8300.md: Likewise.
2820 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2822 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2823 (asm_emit_uninitialised): Likewise.
2825 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2827 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2828 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2830 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2832 * config/mips/mips.c (override_options): Don't turn on extra
2833 alignment for mips16.
2835 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2837 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2838 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2841 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2843 * builtins.c (PAD_VARARGS_DOWN): Define.
2844 (std_expand_builtin_va_arg): Use the above macro.
2845 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2846 * tm.texi (Register Arguments): Document the above macro.
2848 2000-01-14 Nick Clifton <nickc@cygnus.com>
2850 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2851 that this function has not been used to emit a jump
2854 * jump.c (return_jump_1): Cope with being passed a null rtx.
2856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2858 * eh-common.h: PROTO -> PARAMS.
2859 * emit-rtl.c: Likewise.
2860 * errors.c: Likewise.
2861 * errors.h: Likewise.
2862 * except.c: Likewise.
2863 * except.h: Likewise.
2864 * explow.c: Likewise.
2865 * expmed.c: Likewise.
2868 * final.c: Likewise.
2869 * fix-header.c: Likewise.
2871 * fold-const.c: Likewise.
2872 * function.c: Likewise.
2873 * function.h: Likewise.
2875 * gcov-io.h: Likewise.
2879 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2881 * sh-protos.h: New file.
2883 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2884 Add static prototypes. Fix compile time warnings.
2886 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2890 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2892 * arc-protos.h: New file.
2894 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2897 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2902 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2904 * dsp16xx-protos.h: New file.
2906 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2909 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2912 * dsp16xx.md: Likewise.
2914 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * convex-protos.h: New file.
2918 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2921 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2924 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2926 * elxsi-protos.h: New file.
2928 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2931 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2934 * elxsi.md: Likewise.
2936 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2938 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2939 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2940 match the comment for MIPS16.
2942 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2944 * flow.c (split_edge): Do not call set_block_for_insn if we
2945 do not have a basic_block_for_insn structure.
2947 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2948 and destination functions are 32bit aligned within the trampoline.
2949 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2950 (TRAMPOLINE_ALIGNMENT): Define.
2952 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2953 (set (pc) (label_ref)), verify the change creates a valid insn.
2955 * fr30.c (call_operand): Tighten and rework to match rules for
2956 call RTL expressions.
2957 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2958 * fr30.md (call patterns): Improve constraints.
2960 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2962 * fr30.c (fr30_expand_epilogue): Revert last change.
2963 Use emit_jump_insn for the return insn.
2965 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2966 Stan Cox <scox@cygnus.com>
2968 * predict.c: New file. Preliminary infrastructure work for static
2969 branch prediction and basic block reordering.
2970 * basic-block.h: Add prototype for estimate_probability.
2971 * Makefile.in: Add rules for predict.o.
2973 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2975 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2976 * fixinc/*: Likewise.
2978 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * cccp.c: PROTO -> PARAMS.
2982 * collect2.c: Likewise.
2983 * combine.c: Likewise.
2984 * convert.h: Likewise.
2986 * dbxout.c: Likewise.
2987 * dbxout.h: Likewise.
2988 * diagnostic.c: Likewise.
2989 * doprint.c: Likewise.
2990 * dwarf2out.c: Likewise.
2991 * dwarf2out.h: Likewise.
2992 * dwarfout.c: Likewise.
2993 * dwarfout.h: Likewise.
2994 * dyn-string.h: Likewise.
2996 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2998 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2999 macro conditionals guarding use.
3001 * dwarf2out.c: Include "tm_p.h".
3003 * function.c (locate_and_pad_parm): Mark parameter with
3005 (expand_function_end): Likewise for variable `context'.
3007 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
3009 2000-01-13 Nick Clifton <nickc@cygnus.com>
3011 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
3012 register to prevent compile time warnings.
3014 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
3016 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
3017 to avoid -Wtraditional warning.
3019 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3021 * 1750a-protos.h: New file.
3023 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
3026 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
3029 * 1750a.md: Likewise.
3031 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3033 * a29k-protos.h: New file.
3035 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
3038 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
3041 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3043 * clipper-protos.h: New file.
3045 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
3048 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
3051 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3053 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
3055 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
3057 * configure.in (--enable-new-gxx-abi): New option.
3058 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
3059 * Makefile.in (GXX_ABI_FLAG): New variable.
3060 * configure: Regenerate.
3062 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3064 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
3065 * tm.texi (FORCE_STRUCT_BLK): Document.
3066 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
3068 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
3070 * config/ns32k/ns32k.md: Revert Jan 9 change.
3072 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
3073 to a mode-test, if the predicate is address_operand.
3075 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
3077 * combine.c (if_then_else_cond): Be careful about what kinds
3078 of RTL expressions are passed to operand_subword.
3080 * flow.c (split_edge): If we have to insert a new jump, make
3081 sure to associate it with a basic block.
3083 * flow.c (commit_one_edge_insertion): A block with one successor
3084 can end in a JUMP_INSN that is not a simplejump.
3086 2000-01-12 Robert Lipe <robertl@sco.com>
3088 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
3089 (BUILD_VA_LIST_TYPE): Define.
3090 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
3093 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
3095 * cccp.c (do_pragma): Add cast to (char *).
3097 2000-01-12 Richard Henderson <rth@cygnus.com>
3098 Fred Fish <fnf@be.com>
3099 Jason Merrill <jason@cygnus.com>
3101 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
3102 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
3103 * i386/beos-elf.h, i386/beos-pe.h: New files.
3105 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
3106 * cross-make (SYSTEM_HEADER_DIR): Define using
3107 CROSS_SYSTEM_HEADER_DIR.
3109 * gcc.c (LIBRARY_PATH_ENV): Provide default.
3110 (process_command): Use it.
3111 (main): Likewise. Kill trailing = from env vars.
3112 (build_search_list): Put it back.
3113 * collect2.c (main): Use LIBRARY_PATH_ENV.
3115 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
3116 * toplev.c: Use NEED_DECLARATION_ENVIRON.
3118 * tm.texi (Frame Layout): Document SMALL_STACK.
3119 * c-common.c (c_common_nodes_and_builtins): Check it.
3121 * system.h: Undef alloca after including glibc's <stdlib.h>,
3122 if USE_C_ALLOCA is defined.
3124 * gcc.c (set_input): New fn.
3125 (main): After all input files are compiled, reset the input file
3128 * aclocal.m4 (rindex, index): If already defined, don't attempt
3131 * ginclude/varargs.h: (__va_list__): Define ifndef.
3132 * ginclude/stdarg.h: Likewise.
3134 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
3135 instead of unsigned char.
3137 * hash.h (true, false, boolean): Undef before enum.
3139 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
3140 proper type of "HOST_WIDE_INT *", rather than their natural type of
3141 "unsigned HOST_WIDE_INT *".
3143 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3145 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
3147 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
3149 * regclass.c (choose_hard_reg_mode): Likewise.
3151 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
3153 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
3155 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3157 * c-common.c: PROTO -> PARAMS.
3158 * c-common.h: Likewise.
3159 * c-decl.c: Likewise.
3160 * c-iterate.c: Likewise.
3161 * c-lang.c: Likewise.
3162 * c-lex.c: Likewise.
3163 * c-lex.h: Likewise.
3164 * c-parse.in: Likewise.
3165 * c-pragma.c: Likewise.
3166 * c-pragma.h: Likewise.
3167 * c-tree.h: Likewise.
3168 * c-typeck.c: Likewise.
3169 * objc/objc-act.c: Likewise.
3170 * objc/objc-act.h: Likewise.
3172 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * m88k-protos.h: New file.
3176 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
3179 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
3181 * m88k.md: Likewise.
3183 * tekXD88.h: Likewise.
3185 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3187 * m68k-protos.h: New file.
3189 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
3192 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
3194 * mot3300.h: Likewise.
3196 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
3198 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
3200 (extract_bitlist): Declare bitlen.
3202 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
3204 * cccp.c: Accept and ignore -lang-fortran.
3206 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
3207 qualifiers don't match at any level of pointerness.
3209 2000-01-12 Robert Lipe <robertl@sco.com>
3211 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
3213 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
3215 * reload1.c (reload_reg_unavailable): New static variable.
3216 (reload_reg_free_p): Test it.
3217 (reload_reg_free_for_value_p): Test it instead of
3219 (choose_reload_regs_init): Compute it.
3221 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
3223 * reorg.c (fill_slots_from_thread): Check modified_in_p
3226 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
3228 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
3229 these nodes even if INTERNALS is not set.
3231 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
3233 * gcse.c (delete_null_pointer_checks_1): Cope when
3234 get_condition cannot determine the condition.
3236 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
3238 * toplev.h (set_message_length): Declare.
3240 * diagnostic.c (obstack_chunk_alloc): Define macro.
3241 (obstack_chunk_free): Likewise.
3242 (struct output_buffer): New data structure.
3244 (output_maximum_width): New variable.
3245 (doing_line_wrapping, set_message_length, init_output_buffer,
3246 get_output_prefix, output_space_left, emit_output_prefix,
3247 output_newline, output_append, output_puts, dump_output,
3248 vbuild_message_string, build_message_string, build_location_prefix,
3249 voutput_notice, output_printf, line_wrapper_printf,
3250 vline_wrapper_message_with_location): New functions. Implement
3251 automatic line wrapping.
3252 (v_message_with_decl): Make it handle automatic line wrapping.
3253 (v_error_with_file_and_line): Likewise.
3254 (v_warning_with_file_and_line): Likewise.
3255 (announce_function): Likewise.
3256 (default_print_error_function): Likewise.
3258 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3260 * cpplib.h (struct cpp_options): Change lang_asm to char.
3262 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3263 done in cpp_handle_option now.
3264 (initialize_builtins): Take out special case code used only by
3266 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3267 if -traditional. Recognize -lang-fortran and set
3268 lang_fortran, also turn off cplusplus_comments.
3269 (print_help): Document -lang-fortran.
3270 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3271 lang_asm. Ignore all directives other than `# 123 "file"' if
3273 (cpp_get_token): If -traditional, don't recognize directives
3274 unless the # is in column 1.
3275 (parse_string): If lang_fortran or lang_asm, silently
3276 terminate strings ('' or "") at end of line.
3277 Remove unnecessary braces.
3279 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3280 Richard Henderson <rth@cygnus.com>
3282 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3284 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3285 strict_low_part when possible.
3287 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3289 * alias.c: PROTO -> PARAMS.
3290 * basic-block.h: Likewise.
3291 * bitmap.c: Likewise.
3292 * bitmap.h: Likewise.
3293 * builtins.c: Likewise.
3294 * c-aux-info.c: Likewise.
3295 * caller-save.c: Likewise.
3296 * calls.c: Likewise.
3298 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3300 * Makefile.in (toplev.o): Depend on regs.h.
3302 * output.h (tdesc_section): Prototype.
3304 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3306 * sdbout.c: Include "tm_p.h".
3308 * toplev.c: Include "regs.h".
3310 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3312 * unroll.c (unroll_loop): Add EH support.
3314 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3316 * pa-protos.h: New file.
3318 * pa.c: Include recog.h and tm_p.h.
3319 (compute_zdepwi_operands, compute_movstrsi_length,
3320 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3321 find_addr_reg, import_milli): Add static prototypes.
3322 (pa_cpu_string, pa_arch_string): Constify a char*.
3323 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3324 (read_only_operand): Add argument `mode'.
3325 (singlemove_string, output_move_double, output_fp_move_double,
3326 output_block_move, output_and, output_ior, output_ascii,
3327 remove_useless_addtr_insns, milli_names, output_mul_insn,
3328 output_div_insn, output_mod_insn, output_arg_descriptor,
3329 output_cbranch, output_bb, output_bvb, output_dbra, ,
3330 output_millicode_call, output_call, hppa_encode_label,
3331 output_parallel_movb, output_parallel_addb): Constify a char*.
3332 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3333 (output_parallel_addb): Remove extra arg to `constrain_operands'
3335 * pa.h: Move all prototypes to pa-protos.h.
3336 (pa_cpu_string, pa_arch_string): Constify a char*.
3337 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3339 * pa.md: Call `function_label_operand' with mode argument.
3340 Likewise for `read_only_operand'.
3341 Fix nesting of parens in call to `symbolic_operand'.
3343 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3345 * i860-protos.h: New file.
3347 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3350 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3352 * i860.md: Likewise.
3354 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3356 * i386.md (movstrsi expander): Rewrite.
3357 (movstrsi_1 insn): Deleted.
3358 (strmovhi, strmovqi expander): New expanders.
3359 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3360 * i386.c (x86_single_stringop): New global variable.
3361 * i386.h (x86_single_stringop): Declare.
3362 (TARGET_SINGLE_STRINGOP): New macro.
3364 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3366 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3367 integer vararg POSTINCREMENT before the destination of the jump
3368 for the hard fp case.
3369 (function_arg_pass_by_reference): Pass a copy of CUM to
3372 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3373 for CONSTANT_ADDRESS_P above while loop for subreg.
3375 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3377 * flow.c (propagate_block): When a prologue/epilogue insn
3378 is marked dead, unconditionally clear libcall_is_dead and
3379 insn_is_dead, and only dump rtl if warnings aren't being
3382 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3384 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3385 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3386 (FIXED_REGISTERS): Set dirflag as fixed.
3387 (CALL_USED_REGISTERS): Set dirflag as used.
3388 (REG_ALLOC_ORDER): Set dirflag as last one.
3389 (DIRFLAG_REG): New macro.
3390 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3391 (HI_REGISTER_NAMES): Add dirflag.
3392 (DEBUF_PRINT_REG): Handle dirflag.
3393 * i386.md (type attribute): New cld and str types.
3394 (length_opcode attribute): Set cld and str to 1.
3395 (memory attribute): Set str to unknown - it is not clear from the
3397 (pent_np function unit): Prefixed string operations takes 12 cycles
3398 minimally; cld takes 2 cycles.
3399 (ppro_uops attribute): Str is "many" and cld is "few".
3400 (ppro_p0 unit): Handle cld here.
3401 (k6_alux unit): Handle cld and str types.
3402 (k6_load unit): It is ocupied by str opcodes.
3403 (k6_store unit): It is ocupied by str opcodes.
3404 (athlon_decode): Str is vector decoded.
3405 (athlon_ieu): Handle str and cld.
3407 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3408 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3409 cmpstrsi_nz_1 insn): Do not output cld instruction
3411 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3413 * gcc.texi (G++ and GCC): Add Java and Chill.
3414 (Bug Critera): Don't list languages.
3416 * gcc.texi (Incompatibilities): No longer claim most C compilers
3419 * gcc.texi (G++ and GCC): Update other front-ends list.
3421 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3423 * i386.c (ix86_expand_setcc): Fix typo.
3424 (ix86_expand_movcc): Similarly.
3426 * Band-aid until haifa's bitset implementation is nuked.
3427 * haifa-sched.c (extract_bitlst): New parameter for size of the
3428 bitset in bits. All callers changed. Avoid looking at undefined
3430 (edgeset_bitsize): New variable.
3431 (schedule_region): Initialize edgeset_bitsize.
3433 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3435 * Makefile.in (optabs.o): Depend on real.h
3436 (resource.o): Depend on insn-attr.h
3438 * builtins.c (result_vector): Wrap prototype in macro conditions
3439 governing definition and use.
3441 * c-common.c: Include tm_p.h.
3443 * c-lex.c: Likewise.
3445 * elfos.h: Constify a char*.
3447 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3448 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3449 parameter with ATTRIBUTE_UNUSED.
3451 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3454 * haifa-sched.c (schedule_insns): Mark parameter with
3457 * optabs.c: Include real.h.
3459 * real.h (ereal_atof): Add prototype arguments.
3461 * resource.c: Include insn-attr.h.
3463 * sdbout.c (sdbout_queue_anonymous_type,
3464 sdbout_dequeue_anonymous_types): Wrap in macro
3465 SDB_ALLOW_FORWARD_REFERENCES.
3466 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3469 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3471 * stupid.c: Include tm_p.h.
3473 * tree.c (real_value_from_int_cst): Mark parameter with
3476 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * i960-protos.h: New file.
3480 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3483 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3485 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3487 * combine.c (expand_field_assignment): Do not discard SUBREGs
3488 while computing nonzero_bits.
3490 2000-01-09 Nick Clifton <nickc@cygnus.com>
3492 * config/arm/arm.c: Fix compile time warnings about signed vs
3494 * config/arm/arm.h: Fix compile time warnings about signed vs
3497 2000-01-09 Philip Blundell <philb@gnu.org>
3499 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3500 than `ldm' with only one register.
3501 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3504 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3507 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3509 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3512 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3514 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3515 assignment used as truth value.
3517 * function.c (assign_temp): Mark parameter `dont_promote' with
3518 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3519 PROMOTE_FOR_CALL_ONLY.
3521 * genrecog.c (write_subroutine): Mark variable `operands' with
3524 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3527 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3528 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3530 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3533 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3535 * config/c4x.h: Tidy up comments.
3536 * config/c4x.c: Likewise.
3538 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3540 * fold-const.c (lshift_double, rshift_double): Handle
3541 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3543 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3545 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3546 in prepare_function_start().
3548 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3550 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3551 longer allocate extra stack for function calls.
3553 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3555 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3557 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3559 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3561 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3563 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3564 * aix43.h: Revert Aug 2 change.
3565 (HAS_INIT_SECTION): Define, not visible yet.
3566 (LD_INIT_SWITCH): Define, not visible yet.
3567 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3569 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3571 * collect2.c (main): Expand ld2 size further.
3572 (export_object_lst): Cast assignment to avoid warning.
3573 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3574 (scan_prog_file, COFF): Do not collect initialization or
3575 finalization functions generated for entire shared object if
3576 init/fini support present.
3578 2000-01-07 Nick Clifton <nickc@cygnus.com>
3580 * config/elfos.h: Tidy up formatting of marcos. Make sure
3581 that .section directives are always prefixed by a tab.
3583 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3586 2000-01-07 Matt Austern <austern@sgi.com>
3588 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3591 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3593 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3595 (crtbegin.o, s-crtS): Likewise.
3597 2000-01-06 Richard Henderson <rth@cygnus.com>
3599 * alpha.md (adddi_2+1): Limit offset such that it will be
3600 loadable with a single ldah+lda pair.
3601 (adddi_2+2): Explicitly fail split if we can't make it work.
3603 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3605 * protoize.c: Conditionally include unistd.h.
3606 (IS_SAME_PATH_CHAR): New macro.
3607 (IS_SAME_PATH): New macro.
3608 (CPLUS_FILE_SUFFIX): New macro.
3609 (cplus_suffix): New static variable.
3610 (is_abspath): New static function.
3611 (in_system_include_dir): Handle DOS style pathnames.
3612 (file_could_be_converted): Likewise.
3613 (file_normally_convertible): Likewise.
3614 (directory_specified_p): Likewise.
3615 (file_excluded_p): Likewise.
3616 (abspath): Likewise.
3617 (shortpath): Likewise.
3618 (referenced_file_is_newer): Likewise.
3619 (save_def_or_dec): Likewise.
3620 (do_processing): Likewise.
3622 (edit_file): Likewise. Use rename instead of link.
3623 (rename_c_file): Likewise. Don't rename syscalls file.
3624 (munge_compile_params): Define null device for DOS based systems.
3625 (process_aux_info_file): Use binary mode if appliable.
3626 (edit_file): Likewise.
3627 * invoke.texi (Running Protoize): Document C++ suffixes used.
3629 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3630 IS_DIR_SEPARATOR macros.
3631 * collect2.c: Likewise.
3632 * cppinit.c: Likewise.
3633 * dwarf2out.c: Likewise.
3636 * prefix.c: Likewise.
3638 * toplev.c: Likewise.
3639 * system.h: And move to here.
3641 * prefix.c (update_path): Fix typo in variable name.
3643 2000-01-06 Richard Henderson <rth@cygnus.com>
3645 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3646 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3647 (count_reg_sets_1, count_reg_references): Likewise.
3648 (flow_loops_level_compute): Start counting actual loop depth at 1.
3649 (flow_loops_find): Likewise.
3650 * local-alloc.c (update_equiv_regs): Likewise.
3651 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3653 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3655 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3656 FIRST_PSEUDO_REGISTER
3657 * dwarf2out.c: Don't include frame.h
3658 * dwarfout.c: Likewise
3659 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3662 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3664 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3667 * i386.c (movsf splitter): Fix typo in my last checkin.
3669 2000-01-05 Nick Clifton <nickc@cygnus.com>
3671 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3672 own definition of this macro.
3673 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3674 flag_data_sections or UNIQUE_SECTION_P are true.
3676 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3677 unitialised data decls.
3679 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3680 being called for uninitialised data.
3682 * config/i386/interix.c (i386_pe_unique_section): Cope with
3683 being called for uninitialised data.
3685 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3686 for uninitialised data.
3688 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3689 for uninitialised data.
3691 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3692 for uninitialised data.
3694 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3695 (UNIQUE_SECTION_P): Always generate a unique section if
3696 flag_data_sections is true.
3697 (UNIQUE_SECTION): Also generate unique sections for
3699 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3700 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3703 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3705 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3708 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3710 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3711 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3712 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3713 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3714 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3716 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3718 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3720 * c-decl.c (finish_enum): Simplify code to determine minimum and
3721 maximum values of the enum, and calculate the type. Remove check
3722 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3723 the DECL_INITIAL of each enumeration constant with a copy converted
3724 to the enumeration type. When updating variant types, don't bother
3725 updating the type itself.
3727 * c-typeck.c (build_binary_op): Simplify conditional expressions
3728 when weeding out spurious signed-unsigned warnings. Add new
3729 spurious warning category: if the unsigned quantity is an enum
3730 and its maximum value fits in signed_type(result_type). Update
3732 (build_conditional_expr): Warn here if one alternative is signed
3733 and the other is unsigned.
3735 2000-01-05 Nick Clifton <nickc@cygnus.com>
3737 * config/fr30/fr30.h: Remove extraneous comments.
3739 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3741 * reload1.c (choose_reload_regs): When disabling a reload, also
3742 set reload_spill_index to -1.
3744 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3746 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3748 (m68*-*-rtemself*): New target.
3749 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3750 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3751 (sparc*-*-rtemself*): New target.
3752 (sparc*-*-rtems*): Now elf not a.out.
3753 * config/i386/rtems.h: Include config/rtems.h.
3754 * config/i386/rtemself.h: Include config/rtems.h.
3755 * config/i960/rtems.h: Include config/rtems.h.
3756 * config/m68k/rtems.h: Include config/rtems.h.
3757 * config/m68k/rtemself.h: Include config/rtems.h.
3758 * config/mips/rtems64.h: Include config/rtems.h.
3759 * config/pa/rtems.h: Include config/rtems.h.
3760 * config/rs6000/rtems.h: Include config/rtems.h.
3761 * config/sh/rtems.h: Include config/rtems.h.
3762 * config/sh/rtemself.h: Include config/rtems.h.
3763 * config/sparc/rtems.h: Include config/rtems.h.
3764 * config/sparc/rtemself.h: Include config/rtems.h
3766 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3768 * final.c (shorten_branches): Correctly compute length of
3769 asms without operands.
3771 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3773 * configure.in: Add pj target.
3774 * configure: Regenerate.
3775 * config/pj: New directory.
3776 * config/pj/lib1funcs.S: New file.
3777 * config/pj/linux.h: New file.
3778 * config/pj/pj.c: New file.
3779 * config/pj/pj.md: New file.
3780 * config/pj/pjl.h: New file.
3781 * config/pj/t-pj: New file.
3782 * config/pj/xm-pj.h: New file
3784 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3786 * toplev.c (rest_of_compilation): Run shorten-branches before
3789 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3791 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3792 macros so that they're consistent with their names.
3793 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3794 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3796 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3798 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3799 modified inadvertently.
3801 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3803 * configure.in (v850*-*-rtems*): New target.
3804 * configure: Regenerate.
3805 * config/v850/rtems.h: New file.
3807 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3809 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3810 (__gthread_key_create): Likewise.
3811 (__gthread_key_dtor): Likewise.
3812 (__gthread_once): Fix logic.
3813 (__gthread_key_delete): Cast away constness.
3815 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3816 * invoke.texi: Document.
3817 * i386/mingw32.h (CPP_SPEC): Use.
3818 (LIBGCC_SPEC): Likewise.
3819 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3821 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3823 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3824 (HANDLE_PRAGMA_PACK): Undefine.
3825 (SLOW_UNALIGNED_ACCESS): Define.
3827 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3829 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3830 to default definition.
3831 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3832 (store_fixed_bit_field): Call macro with word_mode and alignment.
3833 (extract_bit_field): Call macro with relevant mode and alignment.
3834 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3835 to default definition.
3836 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3838 (move_by_pieces_ninsns): Likewise.
3839 (clear_by_pieces): Likewise.
3840 (emit_push_insn): Likewise.
3841 (store_field): Call macro with relevant mode and alignment.
3842 (expand_expr): Likewise.
3843 (expand_expr_unaligned): Likewise.
3845 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3846 (SLOW_UNALIGNED_ACCESS): Define.
3847 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3848 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3849 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3850 (toc_section): Likewise and .toc pseudo-op.
3851 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3853 (TEXT_SECTION_ASM_OP): Likewise.
3854 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3857 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3858 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3859 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3860 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3861 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3863 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3865 * regclass.c: Revert my Jan 4 change to loop cost computation.
3867 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3869 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3872 2000-01-04 Stan Cox <scox@cygnus.com>
3874 * haifa-sched.c (build_control_flow): Change unreachable simple
3875 loop test to check if current block has only one predecessor.
3876 (find_rgns): Initialize degree. Use dest as degree index, not src.
3878 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3880 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3882 * calls.c (expand_call): Likewise for
3883 `old_stack_arg_under_construction'.
3885 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3887 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3890 * gcc.c (execute): Likewise for `ut' and `st'.
3892 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3894 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3896 * jump.c (jump_optimize_1): Likewise for `temp2'.
3898 * local-alloc.c (block_alloc): Likewise for `r1'.
3900 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3902 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3903 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3905 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3908 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3909 and `goal_earlyclobber'.
3911 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3913 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3915 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3917 * unroll.c (copy_loop_body): Likewise for `copy'.
3919 * varasm.c (output_constructor): Likewise for `byte'.
3921 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3923 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3924 all FP constants for constant->reg moves.
3925 (ix86_split_to_parts): Try to convert memory address into immediate
3926 when available in the constant pool.
3927 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3929 (LEGITIMATE_CONSTANT_P): Return 1.
3930 * i386.md (pushsf): New splitter to convert constant pool memory
3931 reference to immediate.
3932 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3935 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3937 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3938 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3939 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3940 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3941 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3943 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3945 * ginclude/stdbool.h: Support compilation as C++.
3947 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3949 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3951 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3953 * regclass.c (regclass): Properly compute loop_cost. Adjust
3956 * regclass.c: Fix minor whitespace problems.
3958 2000-01-03 Anthony Green <green@cygnus.com>
3960 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3961 Restore the pic register if required.
3963 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3965 * c-common.c (format_char_info): Update comment.
3966 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3967 was recognized. Emit warning for formats new in ISO C99 only
3968 if flag_isoc9x is not set.
3970 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3972 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3974 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3976 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3977 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3978 (make_compound_operation): Choose cheaper alternative between
3979 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3981 * regclass.c (op_costs): Remove global variable.
3982 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3983 (record_operand_costs): Break out from ...
3984 (scan_one_insn): ... here.
3985 (dump_regclass): Make dumps nicer.
3986 (regclass): Dump preferrences choosed and changes done during passes.
3988 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3990 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3992 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3994 * config/sparc/sparc.c (gen_df_reg): New function.
3995 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3996 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3997 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3998 movtf_cc_reg_sp64+1): Use it.
4000 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4002 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
4005 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4007 * config/i386/i386.c (ix86_expand_unary_operator): Function
4008 definition made void.
4009 (ix86_expand_binary_operator): Update outdated preceding comment.
4010 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
4013 * config/i386/i386.c (override_options): Fix option-name typo.
4015 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4017 * system.h (CEIL): Define.
4018 * builtins.c (CEIL): Remove.
4019 * expmed.c (CEIL): Likewise.
4020 * expr.c (CEIL): Likewise.
4021 * stor-layout.c (CEIL): Likewise.
4023 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4025 * expr.c (store_constructor_field): Fix typo introduced with last
4028 2000-01-01 Mark Mitchell <mark@codesourcery.com>
4030 * tree.h (BINFO_N_BASETYPES): New macro.
4032 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
4034 * expmed.c (emit_store_flag): Prevent losing a pending stack
4035 adjust the same way we prevent losing queued increments.
4037 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4039 * function.c (update_temp_slot_address): Handle case where sum of
4040 temporary address plus offset in register is a valid address.
4042 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4044 * genrecog.c (change_state) Corrected typo.
4046 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
4049 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
4050 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
4052 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
4054 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
4055 case, expand GT comparisons correctly. Fix a comment before this
4058 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
4060 * dwarfout.c: Include "frame.h"
4061 * dwarf2out.c: Likewise.
4062 * Makefile.in (dwarfout.o): Depend on frame.h
4063 (dwarf2out.o): Likewise.
4065 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
4067 Restore i386 binary compatibility in Dwarf EH info.
4068 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
4069 value of FIRST_PSEUDO_REGISTER.
4070 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
4071 (struct frame_state): Use DWARF_FRAME_REGISTERS.
4072 * dwarfout.c (output_reg_number): Ditto.
4073 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
4074 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
4076 1999-12-29 Bruce Korb <autogen@linuxbox.com>
4078 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
4079 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
4080 (<hack>_RE_CT): not needed
4081 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
4082 rewritten to scan the file text once only
4083 "template<..." test added
4084 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
4085 (is_cxx_header): declaration added
4086 * fixinc/fixtests.c(is_cxx_header): removed
4087 (apply_fix_p_t): removed
4088 (double_slash_test): is_cxx_header is only called once now
4089 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
4090 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
4091 within the templates.
4092 The borken spelling of "broken" was fixed.
4093 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
4094 The default level depends on FIXINC_DEBUG.
4096 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4098 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
4099 Otherwise provide a declaration for atexit.
4100 (init_dummy): Make sure dummy call to atexit is nevertheless
4101 called with correct number of args.
4103 * frame.c: Update comments referring to other files.
4105 * libgcc2.c: Likewise.
4107 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4109 * cse.c (free_element, get_element): Remove unused prototypes.
4111 * fold-const.c (extract_muldiv): Initialize variables `op0' and
4114 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
4117 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
4119 * configure.in,configure: case arm for mn10200-*-* now sets
4120 float_format=i32 so that float.h will correctly claim "double"
4121 to be 32 bits. Ran autoconf to generate configure from .in file.
4123 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
4125 * pa.md (conditional zero): If op1 is a register, force it into
4126 the same register as op0.
4128 1999-12-28 Mark Mitchell <mark@codesourcery.com>
4130 * tree.h (BINFO_BASETYPES): Improve documentation.
4132 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4134 * configure.in (--enable-checking): Use a more portable `for'
4137 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4139 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
4140 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
4142 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
4145 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
4146 Delete descriptions.
4148 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
4149 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
4150 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
4151 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
4152 xm-svr4.h: Remove all instances of sys_siglist handling.
4154 1999-12-27 Jakub Jelinek <jakub@redhat.com>
4156 * config/sparc/sparc.md (cmp_zero_qi,
4157 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
4158 cmp_zero_extendqidi2_andcc_set): New patterns.
4160 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
4162 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4163 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
4164 (fpgnulib.c, xfgnulib.c): Add rules.
4165 * m68k/t-mot3300-gas: Likewise.
4167 1999-12-27 Ian Lance Taylor <ian@zembu.com>
4169 * configure.in: Avoid [[ by using test and changequote. Add
4170 changequote required by 1999-12-14 change.
4171 * configure: Rebuild.
4173 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
4175 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
4177 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
4179 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
4180 * flow.c (find_use_as_address): Likewise.
4181 * function.c (fixup_var_refs_1): Likewise.
4182 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
4183 * jump.c (invert_exp, redirect_exp): Likewise.
4184 * loop.c (replace_call_address): Likewise.
4185 (count_nonfixed_reads): Likewise.
4186 * rtlanal.c (modified_between_p): Likewise.
4187 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
4188 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
4189 * unroll.c (remap_split_bivs): Likewise.
4191 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * diagnostic.c (v_message_with_decl): Use .* format specifier
4194 instead of building the format specifier width manually.
4196 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
4197 determining whether to provide a prototype. Remove the
4198 sys_siglist clause in the conditional.
4200 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4202 * fold-const.c (operand_equal_p): Use memcmp to compare string
4204 Suggested by D. J. Bernstein
4206 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4208 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
4209 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4211 * config/mips/mips.h (TARGET_64BIT): Likewise.
4212 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
4213 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
4214 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
4215 dsps. Give routines proper names if SI/DI modes are not used.
4216 * longlong.h: Use DWunion instead of DIunion.
4218 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
4220 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
4221 GC_CHECKING, GC_ALWAYS_COLLECT.
4222 * configure.in: Allow --enable-checking with an argument
4223 listing check modes to enable.
4224 * config.in, configure: Rebuilt.
4225 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
4226 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
4227 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
4228 ENABLE_GC_ALWAYS_COLLECT.
4229 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
4231 * tree.h, tree.c: Change ENABLE_CHECKING to
4232 ENABLE_TREE_CHECKING throughout.
4234 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4236 * fold-const.c (fold_truthop): Properly check for FP RHS.
4238 1999-12-24 Mark Mitchell <mark@codesourcery.com>
4240 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4241 * toplev.c (note_deferral_of_defined_inline_function): New
4242 function, split out from ...
4243 (rest_of_compilation): ... here. Use it.
4245 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4247 * expr.c (store_constructor): Don't call clear_storage if size is
4250 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4252 * Makefile.in (toplev.o): Depend on loop.h.
4254 * dwarfout.c: Include tm_p.h.
4256 * emit-rtl.c (restore_emit_status): Mark parameter with
4259 * final.c (final_scan_insn): Likewise.
4261 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4262 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4263 flow_depth_first_order_compute, flow_loop_pre_header_find,
4264 flow_loop_tree_node_add, flow_loops_tree_build,
4265 flow_loop_level_compute, flow_loops_level_compute,
4266 flow_loop_outside_edge_p): Add prototypes.
4267 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4269 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4270 Mark with ATTRIBUTE_NORETURN.
4272 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4274 * local-alloc.c (no_conflict_p): Likewise.
4276 * loop.c (insert_bct): Hide definitions of variables with hidden
4278 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4280 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4281 with ATTRIBUTE_UNUSED.
4282 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4283 (reg_scan): Likewise.
4285 * reload.c (find_reloads): Remove unused variables `changed'.
4287 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4289 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4290 Remove unused variable `insn'.
4292 * toplev.c: Include loop.h.
4293 (report_file_and_line): Remove unnecessary prototype.
4295 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4297 * unroll.c (biv_total_increment): Likewise.
4299 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4301 * reload1.c (emit_input_reload_insns): Restore old behaviour
4302 wrt. 'special' reloads.
4304 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4306 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4307 hash.h. (cse.c): Don't depend on hashtab.h.
4309 * cse.c: Don't include hashtab.h.
4310 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4312 * ggc-simple.c: Don't include hash.h.
4314 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4316 * dwarf2out.c (add_abstract_origin_attribute): Call
4317 gen_abstract_function on our function context.
4319 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4321 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4323 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4325 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4328 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4330 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4331 constraints to "a!r".
4333 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4335 * Makefile.in (calls.o): Depend on function.h.
4336 (alias.o): Likewise.
4338 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4340 * reload1.c (emit_reload_insns): Break out code and variables into...
4341 (input_reload_insns, other_input_address_reload_insns,
4342 other_input_reload_insns, input_address_reload_insns,
4343 inpaddr_address_reload_insns, output_reload_insns,
4344 output_address_reload_insns, outaddr_address_reload_insns,
4345 operand_reload_insns, other_operand_reload_insns,
4346 other_output_reload_insns): ... new static variables, and...
4347 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4348 do_output_reload): ... new functions.
4350 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4352 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4354 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4356 * md.texi: Add c4x constraints documentation.
4358 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4360 * config/i386/dgux.c (struct option): Rename to
4361 lang_independent_option.
4362 (struct m_options): Add description field.
4363 (output_options): Rename option type, add sep declaration, output
4364 ix86_cpu_string and ix86_arch_string only if set.
4365 (output_file_start): Rename option type.
4367 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4369 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4371 (libgcc2.a): Similarly.
4373 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4375 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4376 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4377 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4379 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4381 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4382 Remove redundant initialization of "frexpon" and "expon".
4384 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4386 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4388 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4389 (store_constructor_field, expand_expr): Pass new arg.
4391 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4393 * Makefile.in (explow.o): Depend on function.h.
4395 * stor-layout.c (set_sizetype): Fix typo.
4397 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4399 * function.c (cfun): Renamed from current_function. All users
4401 * function.h (cfun): Rename declaration as well.
4403 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4404 to be of type regset_head, not regset. All users changed by adding
4406 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4408 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4410 * config/c4x/rtems.h: New file.
4412 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4414 * reload1.c (spill_failure): Take class of failed reload as argument
4415 and print it. Caller changed.
4417 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4419 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4420 (TARGET_SWITCHES): Allow subtargets to default switches.
4421 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4423 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4425 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4428 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4430 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4431 * cppinit.c (cpp_handle_option): Likewise.
4433 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4434 determine when to define.
4436 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4438 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4439 cmove with mismatched test and data modes.
4441 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4443 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4446 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4448 * alias.c: Minor reformatting.
4451 * stor-layout.c: Likewise.
4452 * fold-const.c: Likewise.
4453 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4454 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4456 (size_int_wide): Cache nodes even if garbage collecting.
4457 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4458 of SAVE_EXPR has no side effects.
4459 * cse.c: Move a comment.
4460 * tree.c: Minor reformatting.
4461 (int_size_in_bytes): Return -1 if constant overflows.
4463 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4465 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4467 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4469 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4470 after any change to c-parse.in, even if objc-parse.y didn't
4473 1999-12-18 David S. Miller <davem@redhat.com>
4475 * toplev.c (rest_of_compilation): Restore BLOCK tree
4476 reconstruction and branch shortening changes lost in
4477 December 18th change.
4479 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4481 * config/arm/linux-elf.h: Change all instances of
4482 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4483 * config/arm/uclinux-elf.h: Likewise.
4485 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4487 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4488 v_message_with_decl, file_and_line_for_asm,
4489 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4490 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4491 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4492 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4493 pfatal_with_name, fatal_io_error, need_error_newline,
4494 last_error_function, last_error_tick, announce_function,
4495 default_print_error_function, print_error_function,
4496 report_error_function, fnotice, error_with_file_and_line,
4497 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4498 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4499 warning_with_decl, warning_for_asm, warning, pedwarn,
4500 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4502 (compile_file): Use fnotice instead of notice. Adjust call.
4504 * diagnostic.c: New file.
4506 * Makefile.in (OBJS): Include diagnostic.o
4507 (diagnostic.o): Define dependence.
4509 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4511 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4514 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4516 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4518 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4520 * fixtests.c (is_cxx_header): New fn, split out of
4522 (else_endif_label): Allow "#endif // comment" in C++ headers,
4523 as determined by is_cxx_header.
4524 * fixfixes.c (else_endif_label_fix): Update comment.
4525 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4527 * genfixes: Correct double thinko in commandline parsing.
4528 * hackshell.tpl: Generate correct sh syntax for bypass
4531 * inclhack.def (all): Whenever an inserted preprocessor
4532 conditional is split over multiple lines, use double
4533 backslashes in this file so the fixed header will be readable.
4535 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4536 and add bypass entry for correct version of this header.
4537 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4538 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4540 (hpux8_bogus_inlines): New fix, split from...
4541 (ultrix_atof_param) ... here.
4542 (math_expression): Add bypass entry keyed to glibc comment
4543 indicating the problem has been dealt with; disable
4544 unnecessary sed operations; update commentary.
4545 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4546 add select and bypass entries, simplify shell operation.
4547 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4549 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4550 ultrix_atof_param): Add select entry.
4551 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4552 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4553 comments with the fixes they describe.
4555 * c-parse.in (string action): Do not warn about ANSI string
4556 concatenation in system headers. Affects C parser only.
4557 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4559 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4561 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4562 compiling libgcc2 the macro depends always on arch cpp defines.
4564 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4566 * loop.c (insert_loop_mem): Don't record MEMs from inside
4569 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4571 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4573 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4574 notes too, create one when replacement failed, attempt to simplify
4576 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4579 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4581 * crtstuff.c (__dso_handle): Declare.
4582 (__cxa_finalize): Likewise.
4583 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4586 * invoke.texi: Document -fuse-cxa-atexit.
4588 * tree.h (ptr_type_node): Document.
4589 (const_ptr_type_node): Likewise.
4591 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4593 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4594 (optimize_reg_copy_2): Likewise.
4595 (optimize_reg_copy_3): Likewise.
4596 (fixup_match_2): Likewise.
4597 (regmove_optimize): Likewise.
4598 (fixup_match_1): Liekwise.
4600 * i386.md (HI to SImode promoting splitters): Rewrite.
4601 (pushsf mem peep2): New.
4602 (testhi to andhi peep2): Remove.
4603 * i386.h (x86_promote_QImode): New.
4604 (TARGET_PROMOTE_QImode): New.
4605 (PREDICATE_CODES): Add promotable_binary_operator.
4606 * i386.c (x86_promote_QImode0: New.
4607 (promotable_binary_operator): New.
4608 * i386-protos.h (promotable_binary_operator): New.
4610 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4612 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4614 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4616 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4617 * function.c (insert_block_after_note): Remove.
4618 (retrofit_block): Likewise.
4619 (identify_blocks): Fix indentation.
4620 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4621 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4622 * function.h (insert_block_after_note): Remove prototype.
4623 (retrofit_block): Likewise.
4624 * integrate.c (expand_inline_function): Don't call
4625 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4626 just expand_start_bindings. Use the block_map to remap old
4627 NOTE_BLOCKs to new ones.
4628 (integrate_decl_tree): Keep track of remapped blocks.
4629 * integrate.h (struct inline_remap): Add block_map.
4630 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4631 NOTE_BLOCK on the notes.
4632 (expand_start_bindings): Rename to ...
4633 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4634 (expand_end_bindings): Set NOTE_BLOCK.
4635 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4636 reconstruct the BLOCK tree.
4637 * tree.h (expand_start_bindings): Macroize. Call ...
4638 (expand_start_bindings_and_block): New function.
4640 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4642 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4643 to match the format.
4645 1999-12-16 David S. Miller <davem@redhat.com>
4647 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4648 the outputs is a SUBREG.
4649 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4652 * config/sparc/sparc.c (epilogue_renumber): Add default case
4655 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4657 * toplev.c (rest_of_compilation): Run branch shortening after
4660 * regclass.c (loop_depth): Remove
4661 (scan_one_insn): Do not handle LOOP_NOTE insns.
4662 (regclass): Go through basic blocks and set loop_cost
4664 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4666 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4668 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4670 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4671 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4672 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4674 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4676 * loop.c (insert_loop_mem): Ignore memory clobbers.
4678 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4681 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4683 * profile.c: Remove redundant #include "output.h".
4685 * h8300.md (HImode preinc peephole): Fix typo.
4687 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4689 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4690 (insert_block_after_note): Abort if we don't have a previous block.
4691 Remove FN parameter.
4692 * function.h: Adjust.
4694 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4696 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4697 argument more than once.
4699 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4701 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4703 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4705 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4707 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4709 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4710 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4711 update stack_alignment_needed.
4712 (prepare_function_start): Initialize stack_alignment_needed
4713 * function.h (struct function): Add field stack_alignment_needed.
4715 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4717 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4718 Handle live_throughout / dead_or_set instead of live_before /
4720 (save_call_clobbered_regs): Get register livenessinformation from
4721 chain->live_throughout.
4722 (add_stored_regs): New function.
4723 (insert_restore, insert_save): Add restored / saved registers to
4725 * global.c (reg_dies): New parameter chain.
4726 (reg_becomes_live): Third parameter is regs_set now.
4727 Changed all callers.
4728 (reg_dies): New parameter chain. Changed all callers.
4729 (build_insn_chain): Set live_throughout instead of
4730 live_before / live_after.
4731 * reload.h (struct insn_chain): Replace members live_before /
4732 live_after with live_throughout / dead_or_set.
4733 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4734 instead of live_before / live_after.
4735 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4736 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4737 (choose_reload_regs_init): Likewise.
4738 * stupid.c (current_chain, find_clobbered_regs): Delete.
4739 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4740 instead of chain->live_before / chain->live_after.
4741 (mark_hard_ref): New function.
4742 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4744 1999-12-15 David S. Miller <davem@redhat.com>
4746 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4748 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4750 * flow.c (calculate_loop_depth): Make global, remove prototype,
4751 rewrite to use new loop infrastructure.
4752 (find_basic_block): Remove calculate_loop_depth call.
4753 * toplev.c (rest_of_compilation): Call find_basic_block.
4754 * output.h (calculate_loop_depth): Declare.
4756 * flow.c (dump_flow_info): Dump loop_depth.
4757 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4759 (flow_loops_find): Initialize the loop_depth for each basic block.
4761 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4763 * tree.c (decl_function_context): Handle virtual functions.
4765 * tlink.c (scan_linker_output): Don't look in demangled name when
4766 looking for linker output keywords.
4768 * dwarfout.c (output_type): We can defer namespace-scope classes.
4770 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4772 * regclass.c (record_reg_classes): Update comment for merging
4773 register class preferences in reg->reg copies. Tighten conditions
4774 for merging register class preferences in reg->reg copies.
4776 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4778 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4780 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4782 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4783 (INIT_SECTION_ASM_OP): Delete.
4784 (FINI_SECTION_ASM_OP): Delete.
4785 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4787 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4789 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4790 the abstract origin wasn't emitted.
4792 * dwarf2out.c (class_scope_p): New fn.
4793 (gen_subprogram_die): Use it.
4794 (gen_variable_die): Use it. Tweak logic.
4795 (gen_struct_or_union_type_die): Check context_die to determine
4796 if we're function-local.
4797 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4799 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4801 * loop.c (check_dbra_loop): Can't reverse a biv that has
4804 1999-12-14 Nick Clifton <nickc@cygnus.com>
4806 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4809 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4811 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4812 for givs made from biv increments.
4814 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4816 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4817 * alpha.c (override_options): Recognize -mcpu=ev67.
4818 * alpha.h (CPP_CPU_EV67_SPEC): New.
4819 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4820 (EXTRA_SPECS): Update.
4822 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4824 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4825 appropriate for -lang-c89 and -std=*.
4826 * cppinit.c (cpp_handle_option): Likewise.
4827 (new_pending_define): New, split out from cpp_handle_option.
4828 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4829 or enable trigraphs for -ansi/-std=*.
4831 * ginclude/stdarg.h (__va_copy): New.
4832 (va_copy): Don't define for C89.
4834 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4836 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4837 for long long multiply-accumulate.
4839 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4841 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4842 optimizing for size.
4844 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4846 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4847 if something changed. Back out that part of yesterday's changes.
4849 * loop.c (loop_max_reg): New static variable.
4850 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4852 (scan_loop): Call reg_scan_update whenever we may have added new
4853 registers, and update loop_max_reg.
4855 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4857 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4858 when source does not die.
4860 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4862 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4864 * config/sparc/linux64.h (TARGET_LIVE_G0,
4865 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4867 * config/sparc/linux.h (TARGET_LIVE_G0,
4868 TARGET_BROKEN_SAVERESTORE): Likewise.
4869 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4870 TARGET_BROKEN_SAVERESTORE): Likewise.
4872 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4873 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4875 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4876 as sparc64 block profiling register.
4877 * config/sparc/sparc.c (sparc_override_options): Allow block
4878 profiling with -m32.
4879 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4881 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4882 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4883 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4885 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4887 * config/sparc/sparc.h: Likewise.
4888 * config/sparc/xm-sysv4-64.h: Likewise.
4889 * config/float-sparc.h: Likewise.
4890 * glimits.h: Likewise.
4891 * longlong.h: Likewise.
4893 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4894 (ASM_IDENTIFY_GCC): Remove.
4896 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4898 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4899 (simplify_logical): Likewise.
4901 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4903 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4904 * cppfiles.c (INO_T_EQ): Likewise.
4906 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4908 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4909 * i386/mingw32.h (LIB_SPEC): Likewise.
4910 (STARTFILE_SPEC): Likewise.
4911 * i386/uwin.h (LIB_SPEC): Likewise.
4912 (STARTFILE_SPEC): Likewise.
4914 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4915 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4917 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4919 * combine.c (combine_simplify_rtx): Fix order of checks for
4920 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4922 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4924 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4925 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4927 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4929 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4931 * regclass.c (inv_reg_alloc_order): New array.
4932 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4934 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4935 counted_for_groups, counted_for_nongroups. Add fields rld and
4937 * reload.c (push_secondary_reload): Don't set nongroup field of
4939 (push_reload): Likewise.
4940 (find_reloads): Delete code to compute nongroup fields.
4941 * reload1.c (reload_insn_firstobj): New static variable.
4942 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4944 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4945 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4946 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4948 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4950 (struct hard_reg_n_uses): Deleted.
4951 (potential_reload_regs): Deleted.
4952 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4953 (reload): Don't try to allocate reload registers if we already know
4954 we have to make another pass. Call select_reload_regs. Free memory
4955 starting with reload_firstobj when starting another pass.
4956 Don't allocate spilled_pseudos.
4957 (calculate_needs_all_insns): Call copy_reloads for an insn that
4958 needs reloads; don't call calculate_needs.
4959 (spill_cost): New static array.
4960 (used_spill_regs_local): New static variable.
4961 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4962 to compute potential_reload_regs.
4963 (find_reload_regs): Completely rewritten to use find_reg.
4964 (allocate_reload_reg): Don't test counted_for_groups or
4965 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4967 (choose_reload_regs): Add fallback code that uses the existing
4968 register allocation from find_reload_regs.
4970 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4972 * flow.c (create_edge_list): Cast xmalloc return value.
4974 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4976 * doprnt.c: Remove incorrect comment closure.
4978 * cse.c: Fix a few minor whitespace goofs.
4980 1999-12-13 Don Bowman <don@pixstream.com>
4982 * mips/vxworks.h: Fix problem with comment termination.
4983 (EXTRA_SECTIONS): Add in_sbss.
4984 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4986 1999-12-12 David S. Miller <davem@redhat.com>
4988 * cse.c (struct cse_reg_info): Add hash_next member,
4989 reorder rest of struct for better packing on 64-bit
4991 (cse_reg_info_tree): Kill.
4992 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4993 REGHASH_FN): New custom pow2 hash mechanism.
4995 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4996 use a pow2 hash table.
4997 (get_cse_reg_info): Rework to use new REGHASH.
4998 (new_basic_block): Likewise, use HASH_SIZE, and inline
5000 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
5001 and inline free_element call.
5002 (lookup_as_function, insert, flush_hash_table, invalidate,
5003 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
5004 invalidate_for_call, use_related_value, find_comparison_args,
5005 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
5006 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
5009 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
5011 * cse.c (cse_basic_block): Free qty_table consistently.
5013 1999-12-12 David S. Miller <davem@redhat.com>
5014 Jakub Jelinek <jakub@redhat.com>
5016 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
5017 SUBREGs by hand, gen the appropriate hard reg directly.
5018 (movtf reg/mem split): Likewise and alter_subreg on destination
5020 (movtf mem/reg split): Similarly.
5021 (movdf_cc_sp64): Rename from hidden pattern.
5022 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
5023 (movtf_cc_sp64, following split): New pattern and splitter.
5024 (movdf_cc_reg_sp64): Rename from hidden pattern.
5025 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
5027 (movtf_cc_reg_sp64, following split): New pattern and splitter.
5029 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
5031 * loop.c (load_mems): Don't hoist written floating point mem
5034 1999-12-12 Mark Mitchell <mark@codesourcery.com>
5036 * except.h (struct eh_queue): Add `next' pointer.
5037 (struct eh_status): Make x_ehqueue a pointer.
5038 (push_ehqueue): Declare.
5039 (pop_ehqueue): Likewise.
5040 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
5042 (expand_fixup_region_end): Likewise.
5043 (expand_leftover_cleanups): Likewise.
5044 (push_ehqueue): Define.
5045 (pop_ehqueue): Likewise.
5046 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
5047 than doing it inline.
5048 (expand_start_all_catch): Adjust now that ehqueue is a
5050 (mark_eh_queue): Mark all level of the queue.
5051 (mark_eh_status): Adjust now that ehqueue is a
5053 (init_eh_for_function): Allocate ehqueue.
5054 (free_eh_status): Free it.
5055 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
5056 expansion for a fixup.
5058 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * gthr-single.h (__gthread_active_p): Add prototype arguments.
5062 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
5063 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
5064 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
5065 function_ptr, getpagesize, __enable_execute_stack,
5066 __enable_execute_stack, __clear_insn_cache,
5067 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
5068 _cleanup, _exit, __default_terminate, __terminate_func,
5069 __terminate, __empty, __throw, new_eh_context,
5070 eh_context_initialize, eh_context_static, eh_context_specific,
5071 get_eh_context, __get_eh_context, __get_eh_info,
5072 init_reg_size_table, eh_threads_initialize,
5073 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
5074 __unwinding_cleanup, throw_helper, __throw, __rethrow,
5075 __pure_virtual): Add prototype arguments.
5076 (__bb_exit_func): Cast a sizeof to long when comparing against one.
5077 Cast a signed value to unsigned long when comparing against one.
5078 (new_eh_context): Wrap in _GTHREADS macro.
5079 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
5081 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
5082 (throw_helper): Initialize variables `handler_p' and `pc_p'.
5084 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5086 * combine.c (record_promoted_value): Remove unused variable
5089 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
5091 * global.c (record_conflicts): Likewise for `j'.
5093 * genoutput.c (output_insn_data): Don't unnecessarily cast away
5096 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5098 * i386-protos.h (output_387_binary_op, output_fix_trunc,
5099 output_fp_compare): Constify a char*.
5101 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
5103 (override_options, ix86_comp_type_attributes, print_operand,
5104 output_387_binary_op, output_fix_trunc, output_fp_compare):
5106 (ix86_sched_reorder): Mark parameter `clock_var' with
5109 * i386.h (DEBUG_PRINT_REG): Constify a char*.
5111 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
5113 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
5114 operand, for use in the Java front-end.
5116 1999-12-10 Ben Collins <bcollins@debian.org>
5118 * configure.in: Fix typo for "-64" in 64bit as check.
5119 * configure: Rebuilt.
5121 1999-12-10 Jakub Jelinek <jakub@redhat.com>
5123 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
5126 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5128 * c-parse.in (string): With -Wtraditional, warn if ANSI string
5129 concatenation is utilized.
5131 * invoke.texi (-Wtraditional): Document it.
5133 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5135 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
5136 Cast a ptrdiff_t to long and pass it to printf with %ld.
5138 1999-12-10 Geoff Keating <geoffk@cygnus.com>
5140 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
5141 68881, we have no 68881 registers at all.
5142 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
5143 value in a 68881 register if it is available.
5145 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
5147 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
5148 for long long multiply-accumulate.
5150 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5152 * loop.c (insert_loop_mem): Undo last change.
5154 1999-12-10 David S. Miller <davem@redhat.com>
5156 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
5158 * config/sparc/sparc-protos.h: Add them.
5159 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
5160 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
5161 constraints which use those helpers.
5162 (EXTRA_CONSTRAINT): Use this new macro.
5163 * md.texi: Update sparc target constraints documentation.
5164 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
5165 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
5166 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
5167 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
5168 (movsf high/lo_sum split): Rework for new patterns.
5169 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
5171 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5173 * c-common.c (c_common_nodes_and_builtins):
5174 Create __builtin_ptrdiff_t and __builtin_size_t.
5176 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
5178 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
5180 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5182 * regclass.c (globalize_reg): Re-instate test that allows
5183 fixed registers to be declared as a variable even after functions
5186 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5188 * i386.md (cpu attribute): Add "athlon".
5189 (athlon_decode): New attribute.
5190 (Athlon scheduling units definitions): New.
5191 (fcmp and shld patterns): Set athlon_decode to "vector".
5192 * i386.c (athlon_cost): New.
5194 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
5195 x86_use_sahf): Set for Athlon.
5196 (x86_use_fiop): Unset for Athlon.
5197 (override_options): Define Athlon alignments and "athlon" name.
5198 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
5199 * i386.h (TARGET_ATHLON): New.
5200 (enum processor_type): Add PROCESSOR_ATHLON.
5201 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
5203 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
5205 1999-12-09 Andreas Jaeger <aj@suse.de>
5207 * loop.c (record_biv): Declare parameter as int.
5209 * config/i386/i386-protos.h: Declare long_memory_operand.
5211 1999-12-09 Mark Mitchell <mark@codesourcery.com>
5213 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
5214 EXPR_WITH_FILE_LOCATION.
5216 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5218 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
5221 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
5223 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
5226 1999-12-09 Jakub Jelinek <jakub@redhat.com>
5228 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
5229 default on linux64 again.
5230 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
5231 models for multilibing.
5232 * genmultilib: Accept | as alternative separator within a set in
5235 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
5237 * calls.c (precompute_arguments): Make sure initial_value contains
5238 value pseudo which CSE expects.
5239 * cse.c (struct set): New entry orig_src.
5240 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5243 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5245 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5247 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5249 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5251 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5253 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5254 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5256 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5259 * longlong.h: Merge in changes from glibc.
5260 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5261 -mno-app-regs libgcc can be compiled.
5262 * libgcc2.c: Add defines so that the updated longlong.h
5263 can be used in libgcc2.a. Also, make sure on most architectures
5264 (at least on all which have optimized code in longlong.h defined
5265 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5267 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5269 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5270 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5271 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5273 * configure: Rebuilt.
5275 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5277 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5278 outputs require a register.
5280 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5282 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5283 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5284 functions like dptoul will be resolved.
5285 (libgcc2.a): Make sure that the object files from DPBIT are named
5286 differently (prefix `_dp') from those that would be coming from
5289 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5291 * configure.in: When target is sparc* and tm_file contains 64,
5292 test for 64bit support in assembler. If not supported, remove
5293 sparc/t-sol2-64 from target-dependent Makefile fragments.
5294 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5295 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5296 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5297 * acconfig.h (AS_SPARC64_FLAG): Added.
5298 * configure, config.in: Rebuilt.
5299 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5300 support. Use AS_SPARC64_FLAG.
5302 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5304 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5305 suitable for holding OFmode values so that gcc works with complex
5307 (hard_64bit_mode_classes): Likewise.
5309 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5310 so that it is actually matched.
5311 (sethi_di_medlow): Likewise.
5313 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5314 as legitimate constant if -mvis.
5315 * config/sparc/sparc.md (movtf): Likewise.
5316 (clear_sf): Use const_double_operand.
5317 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5319 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5320 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5321 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5322 routines, _Qp_* cannot be handled like that now.
5323 (INIT_TARGET_OPTABS): Likewise.
5324 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5325 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5326 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5327 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5328 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5329 divtf3, sqrttf3): New expanders.
5330 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5331 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5332 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5335 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5336 * configure: Rebuilt.
5337 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5338 -mcpu is given and we're doing 64bit compiles.
5340 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5342 * loop.h (struct induction): Add multi_insn_incr.
5343 * loop.c (basic_induction_var): New multi_insn_incr argument.
5344 Set it if we search back through previous insns for the biv.
5345 (record_biv): New multi_insn_incr argument; fill in struct induction.
5346 (strength_reduce): Discard an iv with multiple bivs, any of
5347 which require multiple insns to increment.
5349 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5351 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5354 1999-12-06 David S. Miller <davem@redhat.com>
5356 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5357 PROMOTE_FUNCTION_RETURN.
5359 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5361 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5362 and handle REG_UNUSED note on insn.
5364 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5365 inner_mask instead of mask.
5367 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5369 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5370 zero if there was an error.
5372 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5374 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5377 * longlong.h: Fix clobbers in SPARC asm statements.
5379 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5380 valid sethi operations when TARGET_ARCH64.
5382 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5383 always use move_by_pieces to avoid infinite recursion.
5384 (restore_fixed_argument_area): Likewise.
5386 * combine.c (check_promoted_subreg, record_promoted_value): New
5388 (combine_instructions): Use them to retain nonzero and sign bit
5389 information after SUBREGs are eliminated by optimizations in
5390 this pass if PROMOTE_FUNCTION_RETURN.
5392 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5393 .register declaration. Don't use variables with __ prefixes.
5395 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5397 * fold-const.c (optimize_bit_field_compare): Only use one mode
5398 for both RHS and LHS in non-constant case.
5400 1999-12-06 Nathan Sidwell <nathan@acm.org>
5402 * frame.c (start_fde_sort): Only allocate erratic array, if
5403 linear one was allocated. Return allocated flag.
5404 (fde_insert): Only insert, if there's a valid array.
5405 (fde_end_sort): Split, sort and merge if linear and erratic
5406 arrays exist, else just sort linear one.
5407 (search_fdes): New function. Linear search through original fde
5409 (frame_init): Permit multiple initializations. Cope with
5411 (find_fde): Fallback on linear search, if failed to sort array.
5412 (__deregister_frame_info): Only free sorted array, if we
5415 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5417 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5419 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5421 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5423 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5425 * tree.h (special_function_p): Declare.
5426 * calls.c (special_function_p): Make it global. Don't take `name'
5427 as a parameter. Fix typo in 1999-11-28 change.
5428 (expand_cal): Adjust.
5430 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5432 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5433 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5434 EXPR_WFL_FILENAME_NODE.
5435 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5437 * print-tree.c (print_note): Print TREE_PRIVATE and
5440 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5441 the original die cannot be found.
5443 * varray.h (varray_head_tag): Add elements_used.
5444 (VARRAY_PUSH): New macro.
5445 (VARRAY_POP): Likewise.
5446 (VARRAY_TOP): Likewise.
5447 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5449 * varray.c (varray_init): Initialize elements_used.
5450 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5451 (INTEGRATE_H): New variable.
5452 (integrate.o): Depend on INTEGRATE_H.
5453 (unroll.o): Likewise.
5455 * function.h (insert_block_after_note): Declare.
5456 * function.c (insert_block_after_note): Split out from ...
5457 (retrofit_block): ... here.
5459 * stmt.c (expand_fixup): Fix typo in comment.
5461 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5463 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5464 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5465 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5466 (regmove_optimize, fixup_match_1): Likewise.
5468 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5470 * flow.c (flow_loops_dump): Add missing argument when calling
5473 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5474 Greg McGary <gkm@gnu.org>
5476 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5477 (init_attributes): Add A_NO_LIMIT_STACK.
5478 (decl_attributes): Handle A_NO_LIMIT_STACK.
5479 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5480 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5481 Handle stack bounds checking.
5482 * flags.h (flag_stack_check): Use the word 'probe' rather than
5483 'check', because the flag doesn't actually cause any checking to
5485 * function.c (expand_function_start): Set
5486 current_function_limit_stack.
5487 * function.h (struct function): Add limit_stack.
5488 (current_function_limit_stack): Define.
5489 * invoke.texi (Code Gen Options): Document new options.
5490 * rtl.h: Declare stack_limit_rtx.
5491 * toplev.c (stack_limit_rtx): New variable.
5492 (decode_f_option): Handle new options -fstack-limit-register=REG,
5493 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5494 (main): Add stack_limit_rtx as GC root.
5495 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5496 (struct tree_decl): New member no_limit_stack.
5498 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5500 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5501 (conditional_trap+1): Get new mnemonic correct.
5502 (conditional_trap+2): New pattern for DImode traps.
5504 * config/m68k/m68k.c (output_function_prologue): Handle
5506 * config/m68k/m68k.md (trap): New insn.
5507 (conditional_trap): New insn.
5508 * md.texi (Standard Names): Document `trap' and
5510 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5511 so a cc0 setter doesn't get emitted at some random place in the
5514 * config/i960/i960.md (trap): New insn.
5515 (conditional_trap): New expander.
5516 (conditional_trap+1, conditional_trap+2): New insns for signed
5518 * config/i960/i960.c (i960_function_prologue): Use
5519 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5521 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5522 Geoffrey Keating <geoffk@cygnus.com>
5524 * flags.h (warn_padded, warn_packed): Add global var decls.
5525 * toplev.c (warn_padded, warn_packed): Add global var defns.
5526 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5527 * stor-layout.c (layout_record): Add local variable `type'
5528 to hold often-used TREE_TYPE (field). Add local variable
5529 `unpacked_align' to hold alignment that would be in force
5530 if no `packed' attribute were present. Warn if `packed' attribute
5531 is unnecessary, or even harmful. Warn when gcc inserts padding
5532 to satisfy alignment requirements of members. Use NULL_TREE
5533 when checking whether var_size is set.
5534 * invoke.texi: Document new flags.
5536 1999-12-03 Nathan Sidwell <nathan@acm.org>
5538 * frame.c (fde_split): Reimplement to avoid variable sized array.
5540 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5542 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5543 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5545 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5547 * invoke.texi: Document the mips option -mno-crt0
5549 1999-12-02 Mike Karr <mkarr@mathworks.com>
5551 * cccp.c (argdata): Added free_ptr member.
5552 (macroexpand): Initialize free_ptr of each argument. When an
5553 argument's buffers are freed, if the argument's free_ptr corresponds
5554 to a buffer on the input stack, then return the free_ptr to that stack
5555 frame, otherwise, free it.
5556 (macarg): If an argument begins and ends on the same input stack level,
5557 then transfer the free_ptr of that buffer to the argument in case
5558 the stack is popped during the processing of a subsequent argument.
5560 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5562 * loop.c (note_reg_stored): New function.
5563 (struct note_reg_stored_arg): New structure.
5564 (try_copy_prop): Change to be more conservative; only replace within
5565 one extended basic block and stop replacing if a store to the
5566 replacement reg is seen.
5568 1999-12-02 Nick Clifton <nickc@cygnus.com>
5570 * config/fp-bit.c: Initialise all fields of the NAN
5573 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5576 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5578 * i386.md (extend?f?f2): Force the input into a register, not
5581 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5583 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5585 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5586 alternative because setting up 64bit constant is usually costly,
5587 especially when reload is in progress or completed.
5588 (movdf_const_intreg_sp64): Likewise.
5589 (movdf_const_intreg split): Fix building up constants when
5590 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5592 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5594 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5595 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5598 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5599 (asm_file_start): Emit .am33 into assembly file when compiling for
5601 (print_operand_address): Handle POST_INC addresses.
5602 (can_use_return_insn, initial_offset): Check AM33 registers too.
5603 (expand_prologue): Check & save AM33 registers too.
5604 (expand_epilogue): Similarly.
5605 (secondary_reload_class): Handle AM33 specific secondary reloads.
5606 (output_tst): Emit efficient code for the AM33 too.
5607 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5608 (TARGET_SWITCHES): Add -mam33 switch.
5609 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5610 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5611 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5612 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5613 (enum reg_class, REG_CLASS_NAMES): Likewise.
5614 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5615 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5616 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5617 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5618 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5619 (HAVE_POST_INCREMENT): Define.
5620 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5621 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5622 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5623 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5624 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5625 (zero_extend to SI from QI/HI): Likewise.
5626 (sign_extend to SI from QI/HI): Likewise.
5627 (mulsidi3, umulsidi3): New patterns for the AM33.
5628 (tstsi with zero extension from QI/HI): Add AM33 variants.
5629 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5630 (return_internal_regs, store_movm): Handle new AM33 registers.
5631 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5632 (LIBGCC, INSTALL_LIBGCC): Likewise.
5633 * invoke.texi: Document new flags.
5635 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5637 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5638 (addsi3_carry): Likewise.
5639 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5640 (sbbsi3_carry): Likewise.
5641 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5643 (test?i_1): Ensure that only one operand is memory.
5644 (conditional move patterns): likewise.
5645 (shift and rotate patterns): Rewrite to expander, add
5646 "binary_operator_ok" to the condition.
5648 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5649 * i386.h (procesor_costs): Add movzbl_load field.
5650 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5651 non-Q registers, accept DImode registers anywhere.
5653 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5654 * i386.c (*_cost): Set value for movxbl_load field.
5656 * (addsi): New add to lea splitter.
5658 (lea to add/shift peep2): New.
5660 1999-12-01 Mark Salter <msalter@cygnus.com>
5662 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5663 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5664 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5666 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5668 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5669 * i386.md (movsi_xor): New.
5671 (movsi_1, movhi_1, movqi_1): Remove.
5672 (movsi_2): Rename to movsi_1.
5673 (movhi_2): Rename to movhi_1.
5674 (movqi_2): Rename to movqi_1.
5675 (movdi_1): Remove; remove splitter.
5676 (movdi_2): Rename to movdi_1.
5677 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5678 (long move peep2): Do not create QI or HI mode mov0s
5679 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5681 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5684 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5685 (abs?f2_if): Likewise.
5687 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5689 * ggc.h (ggc_test_and_set_mark): New macro.
5690 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5691 (ggc_mark_tree): Likewise.
5692 (ggc_mark_rtvec): Likewise.
5693 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5695 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5697 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5699 (decl_scope_table): Just an array of trees now.
5700 (push_decl_scope): Simplify.
5701 (dwarf2out_init): Adjust.
5702 (local_scope_p): New fn.
5703 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5704 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5705 (gen_typedef_die): Likewise.
5706 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5707 (gen_inlined_subroutine_die): Likewise.
5708 (gen_abstract_function): Set current_function_decl temporarily.
5709 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5710 Handle block extern declarations. Don't call push/pop_decl_scope.
5711 (gen_decl_die): Fix logic for block externs.
5713 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5715 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5716 to the list of functions which have attribute malloc by default.
5718 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5720 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5721 integer constant does not match the traditional type, limit the
5722 warnings to cases where the base of the type is ten.
5724 * invoke.texi (-Wtraditional): Document it.
5726 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5728 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5729 * rs6000.md: Only access a CONST_INT with INTVAL
5731 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5733 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5734 (compute_nearerout): Likewise.
5735 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5736 size_t to unsigned long for formatting.
5738 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5740 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5741 Allow the user to override call-used/fixed state of %g2-5
5742 registers from the command line (with the exception of %g4 for
5744 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5745 there is a higher chance of having a leaf function.
5746 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5747 for ARCH64 which has %ccr register.
5748 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5750 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5751 insn accept into delay slot any insn which does not use %[ol]
5752 registers. Accept some LO_SUM and shift left by 1 for the normal
5754 (output_function_epilogue): Likewise.
5755 (epilogue_renumber): Added argument which inhibits any renumbering
5756 and just tests if the rtx does not use any %[ol] registers.
5757 (output_return): Reflect above change.
5759 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5761 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5762 aggregate passing for sizes <= 16 bytes.
5764 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5766 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5767 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5768 * reload.c (find_dummy_reload): Likewise.
5769 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5770 * reload1.c (reload_as_needed): Likewise.
5771 * stupid.c (stupid_find_reg): Likewise.
5772 * tm.texi (Obsolete Register Macros): Delete section.
5773 * gmicro.h: Remove all traces of the two macros.
5778 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5780 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5781 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5782 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5783 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5784 units for the sparclite86x chip.
5785 (flush): Revert October 14th change; add SImode specifically.
5786 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5787 * invoke.texi: Document it.
5789 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5791 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5792 psimode_truncation_operand.
5794 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5795 function. Return true if the operand is either a MEM valid
5796 for a PSImode address or not a MEM at all.
5798 * config/mn10200/mn10200.md (truncsipsi2): Use
5799 psimode_truncation_operand.
5801 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5803 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5804 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5805 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5806 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5807 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5808 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5809 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5810 * basic-block.h: Protect from multiple inclusion.
5811 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5812 (struct loops, struct loop): Define structures.
5813 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5814 * sbitmap.h: Protect from multiple inclusion.
5815 (sbitmap_a_subset_b_p): Add prototype.
5816 * Makefile.in (LOOP_H): New macro.
5817 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5819 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5821 * cppinit.c (CAT): The argument list of this macro may not contain
5824 1999-11-29 David S. Miller <davem@redhat.com>
5826 Move quantity tables and register equivalence chains into
5827 per-qty and per-register structure arrays respectively.
5828 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5829 qty_const_insn, qty_comparison_code, qty_comparison_const,
5830 qty_comparison_qty): Delete, replace with...
5831 (qty_table): this structure table.
5832 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5833 (reg_eqv_table): this structure table.
5834 (make_new_qty): Add argument MODE. Caller updated.
5835 Update to use qty_table and reg_eqv_table.
5836 (make_regs_eqv, delete_reg_equiv, insert_regs,
5837 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5838 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5839 cse_process_notes, cse_main, cse_basic_block): Likewise.
5841 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5843 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5844 operation if C is negative.
5845 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5846 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5847 law for some divisions if constant is negative and change other
5848 divisions to the opposite rounding.
5850 * expr.c (store_constructor_field): If bit position is not multiple
5851 of alignment of TARGET's mode, use BLKmode.
5853 * expr.c (expand_expr_unaligned): Add more code from full case
5854 that is needed when OP0 is in a register.
5856 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5858 * dwarfout.c (field_byte_offset): Size can be zero if there was
5861 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5863 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5864 (associate_trees): Delete unused var TEM.
5865 (extract_muldiv): Delete unused var CANCEL_P.
5867 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5868 (target_isinf, target_isnan, target_negative): Add return types to
5869 function definitions.
5871 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5873 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5874 * fixinc/hackshell.tpl: ditto
5875 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5876 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5878 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5880 * reload.c (push_reload): When looking for a register to put into
5881 reg_rtx, make sure all hard regs in a multi-reg register are in the
5882 right class and nonfixed.
5884 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5885 pending_read_insns, pending_write_insns, pending_read_mems,
5886 pending_write_mems, pending_list_length, last_pending_memory_flush,
5887 last_function_call, sched_before_next_call): Move static variables
5889 (bb_ prefixed versions): Replace with single array bb_deps.
5890 (struct deps): New structure.
5891 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5892 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5893 argument of type "struct deps *"; use that instead of global
5894 variables. All callers changed.
5895 (init_rgn_data_dependencies): Delete function.
5896 (init_rtx_vector): Delete function.
5897 (init_deps): New function.
5899 (free_pending_lists): Simplify, we always use the bb_deps array even
5900 if only one basic block.
5901 (compute_block_backward_dependences): Likewise.
5902 (schedule_region): Likewise.
5904 (propagate_deps): New function, broken out of
5905 compute_block_backward_dependences.
5906 (compute_block_backward_dependences): Use it.
5908 * alpha.md: Delete useless patterns that tried to work around
5909 register elimination problems.
5911 * unroll.c (loop_iterations): Don't abort if iteration variable
5914 From Joern Rennecke:
5915 * reload1.c (reloads_conflict): Reverse test comparing operand
5916 numbers when testing for conflict between output/outaddr reloads.
5918 1999-11-29 David S. Miller <davem@redhat.com>
5920 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5922 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5924 1999-11-28 Robert Lipe <robertl@cygnus.com>
5926 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5927 table from .fini into .dtor.
5929 1999-11-28 Anthony Green <green@cygnus.com>
5931 * tree.h (struct tree_decl): Add malloc_flag.
5932 (DECL_IS_MALLOC): Define.
5933 * c-common.c (attrs): Add A_MALLOC attribute.
5934 (init_attributes): Add this attribute to the table.
5935 (decl_attributes): Handle malloc attribute.
5936 * calls.c (special_function_p): Check for the malloc attribute.
5937 * extend.texi (Function Attributes): Document malloc attribute.
5939 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5941 * pa.md (reload shift-add patterns): Remove.
5943 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5945 * reorg.c (dbr_schedule) Print more statistics. Corrected
5946 problem when printing info when 3 delay slots are filled.
5948 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5950 * combine.c (setup_incoming_promotions): Pass an outgoing
5951 regno to FUNCTION_ARG_REGNO_P which it expects.
5953 1999-11-28 Andreas Jaeger <aj@suse.de>
5955 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5957 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5959 * cccp.c (do_include): Avoid initialization of automatic variable.
5961 * integrate.c (mark_stores): Function definition made void, to match
5962 previous declaration.
5963 * regclass.c (dump_regclass): Ditto.
5964 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5966 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5968 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5969 known to be multiple of divisor.
5971 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5973 * combine.c (try_combine): Add code to try to merge a set of a
5974 two-word pseudo to a constant with a setting of one of those words
5977 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5978 (split_tree): Completely rework to make more general.
5979 (make_range, fold): Call negate_expr.
5980 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5981 (fold, associate): Call new split_tree and associate_trees.
5982 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5984 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5986 * loop.c (try_copy_prop): Avoid GNU C extension.
5988 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5990 * except.c (init_eh_for_function): Still zero eh_return_context,
5991 eh_return_stack_adjust, and eh_return_handler.
5993 * except.h (eh_status): Adjust documentation for x_protect_list.
5994 (begin_protect_partials): New function.
5995 * except.c (enqueue_eh_entry): Fix formatting.
5996 (get_first_handler): Add consistency check.
5997 (add_partial_entry): Adjust usage of protect_list.
5998 (emit_cleanup_handler): Save and restore ehqueue.
5999 (expand_start_all_catch): Add comment.
6000 (begin_protect_partials): New function.
6001 (end_protect_partials): Adjust usage of protect_list.
6002 (init_eh_for_function): Use xcalloc.
6004 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6006 * c-common.c (check_format_info): Don't call a variadic function
6007 with a non-literal format string.
6009 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
6011 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
6012 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
6015 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
6018 * collect2.c (collect_wait): Likewise.
6020 * dbxout.c (dbxout_type): Likewise.
6022 * gcc.c (do_spec_1): Likewise.
6024 * genemit.c (gen_insn, gen_expand): Likewise.
6026 * genrecog.c (write_switch, write_subroutine): Likewise.
6028 * mips-tfile.c (catch_signal, botch): Likewise.
6030 * print-rtl.c (print_rtx): Likewise.
6032 * toplev.c (default_print_error_function, report_error_function,
6033 _fatal_insn): Likewise.
6035 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6037 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
6039 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6041 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
6042 operations when needed.
6043 * i386.md (fop_?f_comm): New.
6044 (fop_?f_1): Do not accept commutative operands.
6046 1999-11-25 Andreas Jaeger <aj@suse.de>
6048 * config/mips/mips.md (casesi_internal): Add missing brace.
6050 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
6052 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
6053 (splice_child_die): Handle moving a child DIE from the declaration
6054 DIE of a class to its specification.
6055 (gen_struct_or_union_type_die): Use 'complete' consistently.
6056 (gen_decl_die): Generate the virtual context DIE first.
6057 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
6059 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
6061 * config/mips/mips.md (call_value_multiple_interanal1): New.
6063 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
6065 * dwarf2out.c (free_AT, free_die): New fns.
6066 (remove_children): Call them.
6067 (output_line_info): Disable removal of duplicate notes.
6069 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
6070 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
6071 means pretend the type isn't defined.
6072 Don't defer emitting types.
6073 (gen_type_die_for_member): New fn.
6074 (gen_decl_die): Call it.
6075 (splice_child_die): New fn.
6076 (gen_member_die): Call it rather than generate duplicate dies.
6078 Defer emitting information for the abstract instance of an inline
6079 until we either inline it or emit an out-of-line copy.
6080 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
6081 from output_inline_function if DECL_ABSTRACT is also set.
6082 (block_ultimate_origin): Likewise.
6083 (gen_abstract_function): New fn.
6084 (gen_decl_die, gen_inlined_subroutine_die): Call it.
6085 (gen_subprogram_die): An abstract instance is not a declaration
6086 just because it doesn't match current_function_decl. Don't abort
6087 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
6088 has an abstract origin.
6089 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
6090 abstract instance here.
6092 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
6094 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
6095 where we need to reload fpul from a system register.
6097 1999-11-24 Andreas Jaeger <aj@suse.de>
6099 * config/mips/linux.h (CPP_PREDEFINES): Added.
6100 (LINK_SPEC): Remove -Y since this is only needed on sparc.
6102 1999-11-24 Andreas Jaeger <aj@suse.de>
6104 * config/mips/linux.h (TARGET_VERSION): Added.
6105 (HANDLE_SYSV_PRAGMA): Added.
6106 (DEFAULT_VTABLE_THUNKS): Added.
6108 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6110 * local-alloc.c (qty): New structure and static variable.
6111 (qty_phys_reg): Remove, all references changed to qty.
6112 (qty_n_refs): Likewise.
6113 (qty_min_class): Likewise.
6114 (qty_birth): Likewise.
6115 (qty_death): Likewise.
6116 (qty_size): Likewise.
6117 (qty_mode): Likewise.
6118 (qty_n_calls_crossed): Likewise.
6119 (qty_alternate_class): Likewise.
6120 (qty_changes_size): Likewise.
6121 (qty_first_reg): Likewise.
6122 (alloc_qty): Rename variable QTY to QTYNO.
6123 (finf_free_reg): Likewise.
6124 (local_alloc): Allocate qty, do not allocate the removed variables.
6126 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
6128 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
6129 when -membedded-pic is passed.
6131 * config/mips/mips.md (casesi): Handle 64-bit case too.
6132 (casesi_internal_di): New insn.
6134 * config/mips/mips.c (embedded_pic_offset): Always make the
6135 embedded-pic subtractions relative to the name of the current
6136 function by use of the magic string "..CURRENT_FUNCTION".
6137 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
6139 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
6141 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
6142 of (const_int 0), when what we really care about is
6143 whether it's a zero constant anyway.
6144 (div_trap_mips16): Likewise.
6146 1999-11-23 Mark Mitchell <mark@codesourcery.com>
6148 * loop.c (loop_optimize): Always find_loop_tree_blocks and
6149 unroll_block_trees when generating debuggable code.
6151 * tree.h (unsave_expr_1): New function.
6152 (lang_unsave): New variable.
6153 (get_callee_fndecl): New function.
6154 * tree.c (unsave_expr_now_r): New function.
6155 (lang_unsave): Define.
6156 (unsave_expr_1): Likewise.
6157 (unsave_expr_now_r): Split out from unsave_expr_now.
6158 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
6159 call unsave_expr_now_r.
6160 (get_callee_fndecl): Define.
6162 * Makefile.in (gencheck): Don't depend on lang_tree_files.
6163 (gencheck.o): Do depend on lang_tree_files.
6165 * integrate.h (copy_decl_for_inlining): New declaration.
6166 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
6167 (copy_decl_for_inlining): New function.
6168 (integrate_parm_decls): Use it.
6169 (integrate_decl_tree): Likewise.
6171 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
6173 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
6174 the second two from the first.
6175 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
6176 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
6177 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6179 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
6180 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6183 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
6185 * pa.md (call_internal_symref, call_value_internal_symref): No mode
6186 needed on the address operand.
6187 * pa.c (call_operand_address): Check for the correct mode.
6189 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
6191 * loop.c: Include "basic-block.h".
6192 (try_copy_prop, replace_loop_reg): New functions.
6193 (load_mems): Detect registers that just hold copies of the hoisted
6194 mem, and call try_copy_prop to eliminate them.
6195 * Makefile.in (loop.o): Update dependencies.
6197 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
6199 * Makefile.in (gencheck.o): Depend on gencheck.h.
6200 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
6201 (insn-peep.o): Depend on except.h and function.h.
6202 (insn-attrtab.o): Depend on RECOG_H.
6203 (insn-output.o): Depend on toplev.h and flags.h.
6204 (gengenrtl.o): Depend on real.h.
6205 (gen-protos.o): Depend on cpplib.h and cpphash.h.
6206 Unify all dependencies to be on RECOG_H rather than recog.h.
6208 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6210 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
6211 * configure.in: Try building a bi-arch 32/64-bit compiler on
6212 sparc-*-solaris2.7 and higher.
6213 * configure: Rebuild.
6215 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
6217 * config/freebsd.h: New, FreeBSD architecture independent file.
6218 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
6220 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
6221 directly by i386/freebsd.h.
6222 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
6223 independent configuration file.
6224 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
6225 directly by i386/freebsd.h.
6226 * configure: Rebuilt.
6228 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
6229 which is in the user's namespace.
6230 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
6231 `i386' which is not in our namespace.
6233 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
6235 * invoke.texi (ARM Options): Add in -mno-alignment-traps
6237 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6239 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
6240 (add_dwarf_attr, add_child_die): Just push onto the front.
6241 (reverse_die_lists): New fn.
6242 (add_sibling_attributes): Use it.
6243 (push_decl_scope): Reorganize.
6244 (add_name_and_src_coords_attributes): Don't set file and line for
6246 (gen_subprogram_die): An artificial function doesn't need to match
6248 (gen_compile_unit_die): Return the generated die. Only add
6249 AT_comp_dir if the filename is relative.
6250 (remove_AT): Simplify loop. Also free string values.
6251 (output_die): A DIE ref can't be null.
6252 (output_value_format, value_format): Take a dw_attr_ref.
6253 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6254 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6255 AT_addr, AT_lbl): New fns.
6256 (various): Use them.
6257 (various): Constify.
6259 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6261 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6262 take SUBREG_WORD into account.
6263 (if_then_else_cond): Likewise.
6265 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6267 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6268 clause from BSD license, pursuant with
6270 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6272 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6274 * loop.c (load_mems): Reformat slightly.
6275 * basic-block.h (regset_head): New typedef.
6276 (INIT_REG_SET): New macro.
6278 1999-11-22 Bruce Korb <autogen@linuxbox.com
6280 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6281 (mips-dec-bsd*): non-functional code
6282 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6284 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6285 added three replacement fixes
6286 (no_double_slash): removed comments that are not (any longer) pertinent
6287 (bad_lval): this fix currently runs against many files.
6288 The comment seems to indicate that we should select for files
6289 containing 'pragma extern_prefix'.
6291 * fixinc/fixinc.x86-linux-gnu: deleted
6292 * fixinc/inclhack.sh: regen
6293 * fixinc/fixincl.x: regen
6294 * fixinc/fixincl.sh: regen
6296 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6298 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6299 its code is INSN and it has no notes.
6301 1999-11-22 Andrew Haley <aph@cygnus.com>
6303 * varasm.c (function_defined): Remove.
6304 (make_function_rtl): Don't set function_defined.
6305 (make_decl_rtl): Remove global register warning.
6306 * regclass.c (no_global_reg_vars): New variable.
6307 (globalize_reg): Warn if function has already been defined.
6308 (regclass_init): Set no_global_reg_vars.
6310 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6312 * regclass.c (reg_pref): New structure and static variable
6313 (prefclass): Delete.
6315 (all uses of prefclass and altclass): Use reg_pref instead.
6317 1999-11-21 Nick Clifton <nickc@cygnus.com>
6319 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6321 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6322 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6323 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6325 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6327 * varasm.c (output_constructor): Solve problem with long long
6328 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6330 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6332 * global.c (allocno): New structure and static variable.
6333 (allocno_reg): Remove, all references replaced by allocno.
6334 (allocno_size): Likewise.
6335 (hard_reg_conflicts): Likewise.
6336 (hard_reg_preferences): Likewise.
6337 (hard_reg_copy_preferences): Likewise.
6338 (hard_reg_full_preferences): Likewise.
6339 (regs_someone_prefers): Likewise.
6340 (allocno_calls_crossed): Likewise.
6341 (allocno_n_refs): Likewise.
6342 (allocno_live_length): Likewise.
6343 (find_reg): Rename ALLOCNO to NUM.
6345 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6347 (may_move_out_cost): New variable.
6348 (init_reg_sets_1): Initialize may_move_out_cost.
6349 (record_reg_classes): Use may_move_out_cost.
6351 * regclass.c (dump_regclass): New function.
6352 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6353 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6354 pass rtl_dump_file to regclass.
6355 * rtl.h (regclass): Update prototype.
6357 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6359 * i386.md (neg, not and abs patterns): Revmap to use
6360 ix86_expand_unary_operator and ix86_unary_operator_ok.
6361 (add?f and sub?f expanders): Force operand 1 to register.
6362 * i386.c (ix86_expand_unary_operator): Rewrite.
6363 (ix86_unary_operator_ok): Ensure that memory operands
6365 (ix86_binary_operator_ok): Do not allow operand 1 to
6366 come into memory and operand 0 not.
6367 (ix86_expand_binary_operator): Ensure that
6368 src1 is not non-matching memory.
6370 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6371 to support integer registers and memory.
6372 (abss?2_integer): Likewise.
6374 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6375 (REG_CLASS_NAMES): Likewise.
6376 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6378 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6379 (movsf): Likewise; unify 4th and 5th alternative.
6381 (movdf_1): Likewise; rename to movdf_integer.
6382 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6383 remove redundant splitter.
6384 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6385 (movdf_nointeger): New.
6386 (movxf_nointeger): New.
6387 (pushxf_nointeger): New.
6389 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6390 memory operands in patterns.
6391 (fop*): Refuse two memory operands.
6393 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6394 on !TARGET_USE_CLTD CPUs.
6396 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6398 * extend.texi: Document C++ restricted pointers and references.
6400 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6402 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6403 (invalidate_skipped_set): Call it unconditionally.
6404 (cse_set_around_loop): Likewise.
6406 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6408 * rtl.texi (mem): Add documentation for alias-set argument
6411 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6413 * i386.h (struct_processor_costs): New fields int_load, int_store,
6414 fp_move, fp_load and fp_store
6415 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6417 (MEMORY_MOVE_COST): New macro.
6418 * i386.c (386_cost): Define new fields.
6419 (i486_cost): Likewise.
6420 (pentium_cost): Likewise.
6421 (pentiumpro_cost): Likewise.
6422 (k6_cost): Likewise.
6424 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6425 Geoffrey Keating <geoffk@cygnus.com>
6427 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6429 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6432 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6433 (TARGET_STRICT_ALIGNMENT): New macro.
6434 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6435 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6436 * invoke.texi (M680x0 Options): Document -mstrict-align.
6438 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6439 Richard Henderson <rth@cygnus.com>
6441 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6442 (ix86_split_long_move): Declare.
6443 * i386.c (split_xf, ix86_split_movdi): Remove.
6444 (ix86_split_to_parts, ix86_split_long_move): New.
6445 * i386.md (dimode move splitters): Use ix86_split_long_move.
6446 (dfmode move splitters): Likewise.
6447 (xfmode move splitters): Likewise.
6448 (movsf_1): Allow F->r.
6449 (movdf_1, movxf_1): Allow F->ro.
6451 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6453 * except.h (struct eh_entry): Add goto_entry_p.
6454 (eh_region_from_symbol): Remove prototype.
6455 * except.c (find_func_region_from_symbol): New function.
6456 (emit_cleanup_handler): Likewise.
6457 (eh_region_from_symbol): Make it static.
6458 (add_new_handler): Verify the argument.
6459 (find_func_region): Update comment.
6460 (expand_eh_region_end): Expand handlers here, rater than waiting
6461 until expand_leftover_cleanups or start_all_catch.
6462 (expand_leftover_cleanups): Don't expand here.
6463 (expand_start_all_catch): Or here.
6464 (expand_rethrow): Check the return value from find_func_region.
6465 * function.c (expand_function_end): Emit the catch_clauses.
6467 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6469 * integrate.c (expand_inline_function): Add necessary check for NULL.
6471 1999-11-18 Nick Clifton <nickc@cygnus.com>
6473 * toplev.c (main): Correctly detect an unrecognised option.
6475 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6476 a -f option if it has not been recognised.
6478 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6480 * basic-block.h (update_life_extent): Remove trailing comma on
6481 enumeration type list.
6483 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6485 * varasm.c (output_constructor) Solved problem with long long
6486 bitfields. Corrected calculating this_time and shift. Also
6487 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6489 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6491 * flow.c (split_edge): Take looping structure into account when
6492 determining where to put the new block note.
6494 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6496 * Makefile.in (ggc-none.o): Provide host specific version if
6499 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6501 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6502 containing subregs too.
6504 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6506 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6507 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6508 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6509 (text_section): Add switches -munint-const-in-rodata and
6510 -mno-uninit-const-in-rodata.
6511 (ASM_OUTPUT_COMMON): Remove.
6512 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6513 const objects should be placed in read-only data. Otherwise declare
6516 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6518 * jump.c (jump_optimize_1): Revert last change.
6520 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6522 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6523 test if optimizing for size.
6525 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6527 * Makefile.in (toplev.o): Depend on except.h.
6528 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6530 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6532 * i386.md (divmodsi4): Rewrite to expander.
6533 (*divmodsi4_nocltd): New.
6534 (*divmodsi4_cltd): New.
6535 (divmodsi4 splitter): Handle the case when input comes in edx.
6536 (udivmodhi4): Do not use constraints in exander.
6537 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6539 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6541 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6542 for the common case.
6544 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6546 * explow.c (hard_function_value): Add outgoing argument.
6547 * expr.h (hard_function_value): Declare it.
6548 * calls.c (expand_call, emit_library_call_value): Update callers.
6549 * function.c (aggregate_value_p): Ditto.
6550 (diddle_return_value): Must look at the outgoing registers
6551 on archs with register windows.
6553 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6555 * alpha.c (alpha_build_va_list): Use make_lang_type and
6556 initialize TYPE_NAME for the va_list record.
6558 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6560 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6562 * ggc.h (struct ggc_statistics): Rearrange elements for better
6563 packing on 64-bit hosts.
6564 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6565 (compute_nearerout): Likewise.
6567 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6569 * config/rs6000/rs6000.c (first_reg_to_save): Save
6570 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6572 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6574 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6575 notion of nesting to find the DIE for a type or function.
6576 DIEs can go in limbo even if we got a context_die.
6577 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6578 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6580 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6581 (gen_type_die): Writing out the context doesn't cause member class
6582 template instantiations to be written out as well.
6584 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6586 * rs6000.h (ASM_OUTPUT_DEF): New.
6587 Based on proposed addition from David Edelsohn.
6589 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6590 Bruce Korb <autogen@linuxbox.com>
6592 * fixinc/inclhack.def
6593 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6594 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6596 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6597 (svr4_endian): enabled with SVR5
6598 (svr4_mkdev): simplified syntax and enabled with SVR5
6600 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6602 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6603 * configure: Rebuilt.
6604 * config/t-freebsd-thread: New file.
6606 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6608 * i386.c (ix86_decompose_address): Verify the base is a REG
6609 before trying to examine its register number.
6611 * basic-block.h: Remove all #defines and prototypes related to
6613 (free_bb_mem, compute_preds_succs): Remove prototype.
6614 * rtl.h (free_bb_mem): Remove prototype.
6615 * flow.c (alloc_int_list_node); Remove function.
6616 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6617 (compute_preds_succs, free_bb_mem): Likewise.
6618 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6619 * toplev.c (rest_of_compilation): Likewise.
6620 * haifa-sched.c (build_control_flow): Use flow generated edge
6621 list to build the haifa specific edge list.
6622 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6623 (schedule_insns): Do not build pred/succ lists anymore. Instead
6624 build the edge table.
6626 * basic-block.h (dump_bb_data): Remove declaration.
6627 * flow.c (dump_bb_data): Remove function.
6628 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6629 (sbitmap_union_of_predsucc): Likewise.
6631 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6632 argument. All callers changed.
6633 (delete_null_pointer_checks_1): No longer need to compute the
6636 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6637 All callers changed.
6638 (pre_expr_reaches_here_p_work): Likewise.
6639 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6640 * lcm.c (compute_laterin): Fix initialization of LATER.
6641 (compute_nearerout): Similarly for NEARER.
6643 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6645 * cse.c (set_nonvarying_address_components): Delete unused function.
6646 (refers_to_p): Likewise.
6648 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6650 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6653 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6655 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6656 definition in do while (0).
6658 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6660 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6662 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6664 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6666 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6668 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6669 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6670 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6671 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6673 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6674 saved on the stack. Output more accurate stack frame statistics
6675 into assembler file.
6677 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6679 * genextract.c (record_insn_name): New function.
6680 (get_insn_name): No longer a stub.
6681 (main): Call record_insn_name for each insn. After each label
6682 written, print the insn name in a comment.
6684 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6686 * output.h (const_section, init_section, fini_section): Add
6689 * alpha/elf.h (const_section): Delete declaration.
6691 * svr4.h (const_section): Likewise.
6693 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6695 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6696 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6697 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6699 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6700 variable-sized array bounds.
6702 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6704 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6707 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6709 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6710 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6712 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6714 * cse.c (hash_arg_in_struct): Delete.
6715 (struct table_elt): Delete elt in_struct.
6716 (struct set): Delete elt src_in_struct.
6717 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6718 the corresponding in_struct elts.
6719 (canon_hash): Likewise.
6720 (safe_hash): Likewise.
6721 (find_best_addr): Likewise.
6722 (record_jump_cond): Likewise.
6723 (cse_insn): Likewise.
6725 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6727 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6729 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6732 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6734 * function.c (diddle_return_value): Put back check that the DECL_RTL
6735 for the function is a register.
6737 * function.c (diddle_return_value): Use hard_function_value to
6738 get an rtx suitable for use in the USE/CLOBBER insn.
6740 * global.c (global_conflicts): Update comments.
6741 (record_conflicts): No need to record conflicts between pseudos here.
6743 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6745 * fixinc/fixincl.c: Added verbose levels for status messages
6747 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6749 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6750 operand as argument to expand_and or expand_binop.
6752 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6754 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6755 gcc_add_string_root.
6757 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6759 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6761 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6763 * flow.c (compute_flow_dominators): Initially put all blocks on
6765 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6766 * gcse.c (compute_cprop_avinout): Remove.
6767 (compute_cprop_data): Use compute_available.
6768 (delete_null_pointer_checks_1): Use compute_available.
6770 * basic-block.h (compute_available): Returns a void now.
6771 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6772 to return a value anymore.
6773 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6774 worklists. Fix boundary cases. Compute maximal solutions.
6775 (compute_laterin, compute_nearerout): Similarly.
6777 * dwarf2out.c (add_AT_location_description): Allow
6778 (mem (plus (pseudo) (...)) too.
6780 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6782 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6784 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6785 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6787 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6789 * gansidecl.h: Likewise.
6795 * toplev.h: Likewise.
6801 * varray.c: Likewise.
6803 * varray.h: Likewise.
6805 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6807 * gcov.c (struct arcdata): Add hits and total, remove prob.
6808 (output_branch_counts): New.
6809 (process_args): Set output_branch_counts if -c.
6810 (calculate_branch_probs): Store hits and total instead of
6812 (output_data): Emit counts if output_branch_counts is true.
6813 * gcov.texi (Invoking Gcov): Document -c switch..
6815 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6817 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6818 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6820 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6822 * invoke.texi (C Dialect Options): Add missing builtins from
6824 * extend.texi (Other Builtins): Copy to this list.
6826 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6828 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6829 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6832 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6834 * flow.c (compute_flow_dominators): No longer treat basic block 0
6835 or (n_basic_blocks - 1) specially. Clear the AUX field before
6836 starting computation of doms/pdoms. Fix initial state for pdoms.
6838 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6840 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6841 match rtl.o's: added ggc.h and toplev.h
6842 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6843 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6844 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6846 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6848 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6849 from HAVE_DOS_BASED_FILESYSTEM.
6850 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6851 HAVE_DOS_BASED_FILESYSTEM.
6853 (split_directories): Only special-case DOS file names if
6854 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6855 instead of explicit tests. Conditionalize on !VMS.
6856 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6857 tests. Conditionalize on !VMS.
6858 (process_command): Only use make_relative_prefix if !VMS.
6859 (free_split_directories): Conditionalize on !VMS.
6860 (DIR_UP): Conditionalize on !VMS.
6862 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6864 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6866 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6868 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6871 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6873 * invoke.texi (Environment Variables): Document relative path
6875 * gcc.c (DIR_UP): If not defined, define as "..".
6876 (standard_bindir_prefix): New static, holds target location to
6878 (split_directories): New function to split a filename into
6879 component directories.
6880 (free_split_directories): New function, release memory allocated
6881 by split_directories.
6882 (make_relative_prefix): New function, make a relative pathname if
6883 the compiler is not in the expected location.
6884 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6885 can figure out an appropriate prefix from argv[0].
6886 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6887 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6888 STANDARD_BINDIR_PREFIX.
6890 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6892 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6894 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6895 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6896 c4x_secondary_memory_needed) Delete.
6897 (fp_zero_operand): Add mode argument.
6899 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6901 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6902 that is in reload_reg_used.
6904 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6906 * config/arm/arm-protos.h: New file: Prototypes for functions
6907 defined in arm.c and pe.c.
6908 * config/arm/arm.h: Fix compile time warnings.
6909 * config/arm/arm.c: Fix compile time warnings.
6910 * config/arm/pe.h: Fix compile time warnings.
6911 * config/arm/aout.h: Fix compile time warnings.
6913 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6915 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6918 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6919 Add support for subtargets.
6920 Add prototypes for new predicates.
6921 Add scheduling macros.
6923 * config/m32r/m32r.c: Fix compile time warnings.
6924 (int8_operand): New predicate function.
6925 (reg_or_cmp_int16_operand): New predicate function.
6926 (extend_operand): New predicate function.
6927 (m32r_adjust_code): New scheduling function.
6928 (m32r_adjust_priorty): New scheduling function.
6929 (m32r_sched_init): New scheduling function.
6930 (m32r_sched_reorder): New scheduling function.
6931 (m32r_sched_variable_issue): New scheduling function.
6932 (direct_return): New codegen function.
6933 (m32r_not_same_reg): New rtl testsing function.
6935 * config/m32r/m32r.md: Fix compile time warnings.
6936 Add support for pre decrement and post increment memory
6941 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6943 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6944 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6945 (find_reg): Likewise.
6947 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6949 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6950 to avoid assembler errors.
6952 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6954 * config/v850/v850-protos.h: New file: Prototypes for functions
6956 * config/v850/v850.h: Move prototypes to v850-protos.h
6957 * config/v850/v850.c: Move prototypes to v850-protos.h
6958 * config/v850/v850.md: Fix compile time warnings.
6960 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6962 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6963 * config/fr30/fr30.c: Fix compile time warnings.
6964 * config/fr30/fr30.md: Fix compile time warnings.
6966 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6968 * tree.h (get_containing_scope): Declare it.
6969 * tree.c (get_containing_scope): New fucntion.
6970 (decl_function_context): Use it.
6971 * toplev.c (rest_of_compilation): Use get_containing_scope.
6973 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6975 * Makefile.in (rtl.o): Depend on toplev.h.
6977 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6979 * cse.c (delete_trivially_dead_insns): Replace alloca with
6981 * except.c (update_rethrow_references): Likewise.
6982 (init_eh_nesting_info): Likewise.
6983 * function.c (identify_blocks): Likewise.
6984 * gcse.c (dump_hash_table): Likewise.
6985 * graph.c (print_rtl_graph_with_bb): Likewise.
6986 * loop.c (combine_movables): Likewise.
6987 (move_movables): Likewise.
6988 (count_loop_regs_set): Likewise.
6989 (strength_reduce): Likewise.
6990 * profile.c (compute_branch_probabilities): New function, split
6992 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6993 * regclass.c (regclass): Likewise.
6994 * regmove.c (regmove_optimize): Likewise.
6995 * toplev.c (compile_file): Likewise.
6996 (main): Don't mess with the stack rlimit.
6998 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
7000 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
7001 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
7003 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
7005 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
7007 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
7009 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
7010 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
7013 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
7015 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
7017 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
7019 * gcse.c (post_dominators): Kill.
7020 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
7021 (compute_code_hoist_data): Use compute_flow_dominators. Do not
7022 pass in a pdom array since we do not need pdoms.
7023 * haifa-sched.c (schedule_insns): Similarly.
7024 * flow.c (compute_dominators): Remove dead function.
7025 (compute_flow_dominators): Do not compute doms or pdoms if the
7026 caller does not request them. Split up loop to build doms and
7027 pdoms. Use a worklist to compute doms and pdoms.
7028 * basic-block.h (compute_dominators): Remove prototype.
7030 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
7032 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
7033 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
7034 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
7035 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
7036 (cant_move, fed_by_spec_load, is_load_insn): Remove.
7037 (schedule_region): Remove unused variable.
7038 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
7040 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
7042 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
7043 (update_equiv_regs): Likewise.
7044 (block_alloc): Likewise.
7045 * reg-stack.c (reg_to_stack): Likewise.
7046 (convert_regs_2): Likewise.
7047 * reload1.c (reload_as_needed): Likewise.
7049 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
7051 * Makefile.in (dbxout.o): Depend on ggc.h.
7052 (dwarf2out.o): Likewise.
7053 (xcoffout.o): Likewise.
7054 * dbxout.c: Include ggc.h.
7055 (dbxout_init): Register lastfile as a root.
7056 * dwarf2out.c: Include ggc.h.
7057 (dwarf2out_line): Register lastfile as a root.
7058 * xcoffout.c: Include ggc.h.
7059 (xcoffout_source_line): Register xcoff_lastfile as a root.
7061 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
7063 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
7065 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
7067 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
7069 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7071 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7073 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
7074 (EXECUTE_IF_CONFLICT): Likewise.
7075 (ALLOCNO_LIVE_P): Avoid signed division.
7076 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
7077 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
7078 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
7080 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
7082 * haifa-sched.c (schedule_block): Don't crash if there's no
7083 next insn for an interblock movement.
7084 (add_branch_dependences): Don't allow clobber insns to move either.
7086 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
7088 * i386.c (split_xf): New.
7089 * i386-protos.h: Declare it.
7090 * i386.md (movxf_1): Add general regs alternatives.
7091 (movxf_1+1): New splitter for same.
7093 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
7095 * function.c (purge_addressof_1): Add missing return values.
7097 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
7099 * function.c (is_addressof): New function. Returns true if
7100 the given piece of RTL is an ADDRESSOF.
7101 (purge_addressof_1): Make boolean. Return false if the
7102 ADDRESSOFs could not be purged.
7103 (purge_addressof): If ADDRESSOFs could not be purged from the
7104 notes attached to an insn, remove the offending note(s),
7105 unless they are attached to a libcall.
7107 1999-11-05 Andreas Jaeger <aj@suse.de>
7109 * genoutput.c (null_operand =): Initialize all fields.
7111 * errors.h: Add extern to prototypes.
7113 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
7115 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
7116 * configure: Rebuilt.
7118 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7120 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
7121 (mirror_conflicts): New function.
7122 (global_alloc): Call it.
7123 (expand_preferences): Remove redundant CONFLICTP test.
7124 (find_reg, dump_conflicts): Likewise.
7125 (prune_preferences): Process conflicts one word at a time.
7127 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
7129 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
7130 instead of an explicit loop.
7132 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
7134 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
7135 if REG_RETVAL check succeeds, then put classp in src_elt.
7137 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
7139 * function.c (pad_to_arg_alignment): Only update argument_pad
7140 if the argument's alignment is greater than STACK_BOUNDARY.
7142 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
7144 * bitmap.h (BITMAP_XFREE): New.
7145 * flow.c (life_analysis): Use it.
7146 (life_analysis_1): Free blocks.
7148 * combine.c (undo_commit): New.
7149 (try_combine): Use it. Don't zap undobuf.undos.
7150 (combine_instructions): Don't zap undobuf.undos; free the
7153 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
7155 * stmt.c (cost_table_): New.
7156 (estimate_case_costs): Use it instead of xmalloc.
7158 * toplev.c (compile_file): Reuse dumpname memory instead
7161 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
7163 * reg-stack.c (convert_regs_1): Initialize target_stack->top
7164 after verifying an EH edge.
7166 * haifa-sched.c (init_rgn_data_dependences): Correctly
7167 size bb_pending_lists_length when zeroing.
7169 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
7171 * function.c (diddle_return_value): New.
7172 (expand_function_end): Use it.
7173 * stmt.c (expand_null_return): Likewise.
7174 (expand_value_return): Likewise.
7176 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
7178 * reload1.c (reload): Don't remove return value clobbers.
7180 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
7182 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
7184 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
7186 * cse.c (cse_main): Use xmalloc, not alloca.
7187 (cse_basic_block): Likewise.
7188 * local-alloc.c (local_alloc): Likewise.
7190 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
7191 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7193 * rtl.c: Include toplev.h.
7194 (fatal): Remove declaration.
7196 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
7198 * haifa-sched.c (schedule_block): Fix thinko.
7200 1999-11-03 James McKelvey <mckelvey@fafnir.com>
7202 * fixinc/fixincl.c(create_file): Allow for systems that do not have
7203 S_IR* defined values
7205 1999-11-03 Philippe De Muyter <phdm@macqel.be>
7207 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
7208 call `malloc' instead.
7210 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
7212 * flags.h (flag_renumber_insns): Declare.
7213 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
7215 * rtl.h (renumber_insns): Change prototype.
7216 * toplev.c (flag_renumber_insns): Define.
7217 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
7219 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
7221 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
7222 and fpsqrtd. Use them and create fdiv function unit to more
7223 accurately represent fpu sqrt pipeline semantics on UltraSparc.
7224 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
7226 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
7228 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
7230 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
7231 insn into ready list, do not use just a raw swap.
7233 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
7235 * rtl.h (renumber_insns): New function.
7236 (remove_unnecessary_notes): Likewise.
7237 * emit-rtl.c (renumber_insns): Define.
7238 (remove_unncessary_notes): Likewise.
7239 * toplev.c (rest_of_compilation): Remove dead code.
7240 Use renumber_insns and remove_unncessary_notes.
7242 * gcse.c (struct null_pointer_info): New type.
7243 (get_bitmap_width): New function.
7244 (current_block): Remove.
7245 (nonnull_local): Likewise.
7246 (nonnull_killed): Likewise.
7247 (invalidate_nonnull_info): Take a null_pointer_info as input.
7248 (delete_null_pointer_checks_1): New function.
7249 (delete_null_pointer_checks): Use it.
7251 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7252 (split_edges): Likewise.
7253 (schedule_block): Likewise.
7254 (compute_block_backward_dependencies): Likewise.
7255 (schedule_region): Likewise.
7256 (schedule_insns): Likewise.
7258 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7260 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7261 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7262 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7263 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7264 * jump.c (delete_unreferenced_labels): Don't delete if
7265 LABEL_ALTERNATE_NAME is set.
7266 * print-rtl.c (print_rtx): Dump alternate name.
7267 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7268 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7269 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7270 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7272 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 * fix-header.c (recognized_extern, recognized_function): Constify
7277 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7278 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7279 (compute_available): Remove unused variable `last'.
7280 (compute_nearerout): Remove unused variable `temp_bitmap'.
7281 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7282 Remove unused variable `x'.
7284 * scan.h (recognized_function, recognized_extern): Constify a
7287 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7289 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7291 * varasm.c (decode_rtx_const): Use XSTR to access the string
7294 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7296 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7298 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7300 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7302 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7304 * pa.c (ireg_operand): New function.
7305 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7306 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7307 Fix out of date comment.
7309 * pa.md (negdi2): Turn into expander + anonymous pattern.
7311 * reload.c (find_reloads): Fix typos in recent change.
7313 * dwarf2out.c: Do not include ctype.h.
7315 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7317 * regclass.c (record_reg_classes): Always use may_move_cost when
7318 seeing how operand fits with various register classes.
7320 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7322 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7323 * toplev.c: Revert Nov 1 13:22 change.
7325 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7327 * config/pa/pa.md (height reduction patterns): Add checks for
7328 overlapping operands to avoid semantic-destroying splits for
7329 height reduction patterns.
7331 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7333 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7334 have been an hyphen, fixed.
7335 * configure: Rebuilt.
7337 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7339 * config/arm/tpe.h: Add prototypes for exported functions.
7340 * config/arm/pe.c: Fix compile time warnings.
7341 * config/arm/semi.h: Fix compile time warnings.
7342 * config/arm/arm.c: Fix compile time warnings.
7343 * config/arm/arm.h: Fix compile time warnings.
7344 * config/arm/arm.md: Fix compile time warnings.
7345 * config/arm/thumb.c: Fix compile time warnings.
7346 * config/arm/thumb.h: Fix compile time warnings.
7347 * config/arm/thumb.md: Fix compile time warnings.
7349 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7351 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7354 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7355 completely unrolled.
7357 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7359 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7361 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7363 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7364 * rtl.h (rtx_equal_p): Move prototype.
7365 * rtl.c (rtx_equal_function_value_matters): Move from
7367 (rtx_equal_p): Likewise.
7368 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7369 (rtx_equal_p): Likewise.
7371 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7373 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7376 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7378 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7380 * pa.h (ADDR_VEC_ALIGN): Define.
7382 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7383 notes when presented with "if (foo) break; end_of_loop" and
7384 the break sequence gets moved out of the loop.
7386 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7387 Remove explicit zero initializations of entries within MAP.
7389 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7391 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7393 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7395 * bitmap.h (BITMAP_XMALLOC): New macro.
7396 * flow.c (CLEAN_ALLOCA): Remove.
7397 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7398 (life_analysis): Likewise.
7399 (update_life_info): Don't use CLEAN_ALLOCA.
7400 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7401 (calculate_global_regs_live): Likewise.
7402 (print_rtl_with_bb): Likewise.
7403 (verify_flow_info): Likewise.
7404 * global.c (global_alloc): Likewise.
7405 (global_conflicts): Likewise.
7406 * integrate.c (save_for_inline_nocopy): Likewise.
7407 (expand_inline_function): Likewise.
7408 * jump.c (jump_optimize_1): Likewise.
7409 (duplicate_loop_exit_test): Likewise.
7410 (thread_jumps): Likewise.
7411 * loop.c (loop_optimize): Likewise.
7412 (combine_givs): Likewise.
7413 (recombine_givs): Likewise.
7414 * reorg.c (dbr_schedule): Likewise.
7415 * unroll.c (unroll_loop): Likewise.
7417 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7419 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7421 * toplev.c (rest_of_compilation): Don't optimize the CFG
7422 when rebuilding, just before dbr.
7424 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7426 * output.h (assemble_end_function, assemble_destructor,
7427 assemble_constructor, assemble_gc_entry, assemble_global,
7428 assemble_label, output_constant_pool) Constify a char*.
7430 * varasm.c (assemble_destructor, assemble_constructor,
7431 assemble_gc_entry, assemble_end_function, assemble_global,
7432 assemble_label, output_constant_pool): Likewise.
7434 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7436 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7437 explaining what is goin on in this function.
7439 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7441 * regclass.c (record_reg_classes): In matching case, recompute
7442 costs since the direction of movement is different.
7444 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7446 * resource.c (mark_target_live_regs): For unconditional branches,
7447 the resources found at the branch target should be added to the
7448 resources found so far, not intersected.
7450 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7452 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7454 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7455 (sys/mman.h): Include this file only if #HAVE_MMAP.
7456 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7457 with automatically concatenated ANSI strings.
7459 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7461 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7462 (DIV_ROUND_UP): Robustify.
7463 (ggc_recalculate_in_use_p): New function.
7464 (release_pages): Don't inline it.
7465 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7467 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7468 (clear_marks): Always save in_use_p.
7469 (sweep_pages): Use ggc_recalculate_in_use_p.
7470 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7471 Release pages before counting statistics.
7473 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7475 * toplev.c (rest_of_compilation): Fix thinko in this change:
7477 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7479 (rest_of_compilation): If inside an inlined external function,
7480 pretend we are just being declared.
7482 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7484 * flow.c (calculate_global_regs_live): Fix thinko.
7486 * integrate.c (expand_inline_function): Fix bugs in previous
7487 change from Oct 28, 1999.
7489 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7491 * stmt.c (expand_value_return): Fix typo in this change:
7493 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7494 (expand_value_return): Correctly convert VAL when promoting function
7495 return; support RETURN_REG being a PARALLEL.
7497 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7499 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7501 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7503 * hard-reg-set.h (reg_names): Constify a char*.
7505 * regclass.c (reg_names): Likewise.
7507 * regs.h (reg_names): Likewise
7509 * a29k/a29k.c (reg_names): Delete declaration.
7511 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7513 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7514 arc_output_function_epilogue): Likewise.
7516 * elxsi/elxsi.c (reg_names): Likewise.
7518 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7520 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7523 * m88k/m88k.c (output_function_profiler): Likewise.
7525 * sparc/sparc.c (sparc_flat_output_function_prologue,
7526 sparc_flat_output_function_epilogue): Likewise.
7528 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7530 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7531 warning from -Wuninitialized and put it under -W.
7532 * function.c (uninitialized_vars_warning): Warn only when the
7533 corresponding flag is set.
7535 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7537 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7538 is nonzero and the single set does not have an elt, then assign
7541 * simplify-rtx.c: New file.
7542 * Makefile.in (OBJS): Add simplify-rtx.o
7543 (simplify-rtx.o): Add dependencies.
7544 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7545 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7546 (cse_gen_binary, simplify_unary_operation): Delete.
7547 (simplify_binary_operation, simplify_plus_minus): Likewise.
7548 (check_fold_consts, simplify_relation_operation): Likewise.
7549 (simplify_ternary_operation): Likewise.
7550 (delete_trivially_dead_insns): Simplify the contents of the
7551 REG_EQUAL note before trying to substitute it into the source
7552 of the reg-reg copy at the end of a libcall sequence.
7554 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7555 references/callers changed.
7557 * mn10200.c (mn10200_va_arg): Force the return value into a
7560 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7562 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7565 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7567 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7569 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7571 * fold-const.c (fold): Fix thinko when optimizing comparisons
7574 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7576 * gcc.texi (Passes): Update front-end files to their current
7579 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7581 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7582 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7583 (PREDICATE_CODES): Add addition_operation.
7584 * alpha-protos.h (addition_operation): Declare.
7585 (secondary_reload_class): Likewise.
7586 * alpha.c (addition_operation): New.
7587 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7588 * alpha.md (adddi3): Turn into expander.
7589 (*lda, *adddi_2): New.
7590 (movsf, movdf patterns): Don't preference integer regs.
7591 (movsi, movdi patterns): Don't preference fp regs.
7593 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7595 * genrecog.c (write_switch): Check for duplicate CODE cases.
7597 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7599 * ggc-common.c: Update pre-function commentary.
7600 * ggc-page.c: Likewise.
7602 (poison_pages): Use memset directly.
7603 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7604 (ggc_collect): Poison before sweeping.
7605 * ggc-simple.c: Update pre-function commentary.
7606 (ggc_alloc_obj): Poison non-zeroed memory.
7608 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7610 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7611 match format string, even on 64-bit hosts.
7612 * gcc-page.c (ggc_page_print_statistics): Likewise.
7614 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7616 * config/i386/i386.c (ix86_cpu): Revert last patch.
7617 * config/i386/i386.h (ix86_cpu): Ditto.
7619 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7621 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7622 TYPE_SIZE, convert type of result to sizetype.
7624 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7626 * flow.c (count_or_remove_death_notes): Equate NULL with the
7629 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7630 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7633 * i386.c (pic_label_no): Delete.
7634 (ix86_attr_length_default): Don't use single_set to peek
7637 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7638 the first insn after bb->end.
7639 * i386.md (push mem peeps): Scratch is live after evaluation
7641 (cmp mem peep): Similarly.
7643 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7645 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7646 * function.c (pad_to_arg_alignment): Add missing braces.
7648 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7650 * alpha/alpha-protos.h (literal_section): Add prototype.
7651 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7654 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7656 (alpha_start_function, alpha_end_function, float_strings,
7657 alpha_need_linkage): Constify a char*
7659 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7661 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7663 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7665 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7667 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7669 * flow.c (debug_flow_info): Add prototype.
7671 * gcc.c (main): Likewise.
7673 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7676 * reload1.c (failed_reload, set_reload_reg): Likewise.
7678 * mips-tfile.c (main): Likewise.
7679 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7680 with ATTRIBUTE_NORETURN.
7682 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7684 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7685 DECL is not a memory ref.
7687 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7689 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7690 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7692 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7694 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7695 * config/mips/elf64.h: ditto.
7697 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7699 * expr.c (emit_push_insn): New argument alignment_pad.
7700 Update all callers. Adjust stack pointer based on alignment pad.
7701 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7702 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7703 (locate_and_pad_parm): New argument alignment_pad. Update all
7705 * expr.h (emit_push_insn): Update prototype.
7706 (locate_and_pad_parm): Update prototype.
7707 * calls.c (arg_data): Add new field alignment_pad.
7708 (initialize_argument_information): Initialize alignment_pad.
7710 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7712 * except.c (free_eh_nesting_info): Free the info itself.
7713 * function.c (free_after_compilation): Don't free NULL.
7714 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7715 (pre_edge_insert): Free inserted.
7716 * stmt.c (free_stmt_status): Don't free NULL.
7718 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7720 * gcov.c (DIR_SEPARATOR): Provide default.
7721 (output_data): Add test for MS-DOS format absolute filename.
7722 (fancy_abort): Correct program name.
7723 (open_files): Open all files in binary mode.
7724 * libgcc2.c (__bb_exit_func): Likewise.
7726 * profile.c (init_branch_prob): Specify binary when opening files.
7728 * flags.h (flag_unwind_tables): New decl.
7729 * toplev.c (flag_unwind_table): New definition.
7730 (f_options): Add -funwind-tables.
7731 (decode_g_option): Clarify warning when unknown -g option is given.
7732 (rest_of_compilation): If inside an inlined external function,
7733 pretend we are just being declared.
7735 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7736 (dwarf2out_frame_finish): Likewise.
7738 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7740 * fold-const.c (merge_ranges): If not in0, but in1, handle
7741 upper bounds equal like subset case.
7743 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7745 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7746 passed in a register but moved to the stack.
7748 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7750 * gcc.c (pass_exit_codes, greatest_status): New variables.
7751 (struct option_map): Add entry for "--pass-exit-codes".
7752 (execute): Update greatest_status if error.
7753 (display_help): Add documentation for -pass-exit-codes.
7754 (process_command): Handle -pass-exit-codes.
7755 (main): Look at pass_exit_codes and greatest_status on call to exit.
7757 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7759 * reload.c (find_reloads): Refine test for no input reload
7760 case to not includes reloads emitted after insn.
7762 * function.c (find_temp_slots_from_address): Handle sum involving
7763 a register that points to a temp slot.
7764 (update_temp_slot_address): Make recursive call if both old and
7765 new are PLUS with a common operand.
7766 * calls.c (expand_call): Mark temp slot for result as having
7769 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7771 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7772 component as well as "BINUTILS".
7774 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7775 * integrate.c (copy_rtx_and_substitute): Likewise.
7776 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7777 All callers changed.
7778 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7780 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7781 gdb extensions, write size of type; also be more consistent
7782 in using references when this is a subtype.
7784 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7785 that is out of range.
7787 * loop.c (unknown_constant_address_altered): New variable.
7788 (prescan_loop): Initialize it.
7789 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7790 (invariant_p, case MEM): Remove handling for volatile and readonly;
7791 check new variable if readonly.
7792 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7794 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7795 (addr_affects_sp_p): Removed from note_mem_written and only
7796 define #ifdef AUTO_INC_DEC.
7798 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7800 * regclass.c (record_reg_classes): Properly handle register move
7803 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7804 Don't think valid if both operands are invalid.
7805 (struct constant_descriptor): New field RTL.
7806 (mark_const_hash_entry): Mark it.
7807 (record_constant{,_rtx}): Initialize it.
7808 (output_constant_def): Allocate RTL in permanent obstack and
7810 ({record,compare}_constant_1): Modes must match for
7811 CONSTRUCTOR of ARRAY_TYPE.
7813 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7814 * output.h (initializer_constant_valid_p): Move decl to here.
7815 * c-common.c (initializer_constant_valid_p): Delete function from here.
7816 * varasm.c (initializer_constant_valid_p): Move function to here.
7818 * tree.h (STRIP_SIGN_NOPS): New macro.
7819 * fold-const.c (optimize_minmax_comparison): New function.
7820 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7821 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7822 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7823 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7824 widening conversions.
7825 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7826 to look at size of mode, not precision of type; also add missing cases.
7827 (optimize_bit_field_compare, decode_field_reference): Don't try to
7828 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7830 * dwarf2out.c (ctype.h): Include.
7831 (dwarf2out_set_demangle_name_func): New function.
7832 (size_of_line_info): Deleted.
7833 (output_line_info): Compute size of line info table from difference
7835 (base_type_die, add_name_attribute): Call demangle function, if any.
7836 (field_byte_offset): Use bits per word for variable length fields.
7837 (gen_array_type_die): Add array name.
7838 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7839 (dwarf2out_add_library_unit_info): New function.
7841 * explow.c (set_stack_check_libfunc): New function.
7842 (stack_check_libfunc): New static variable.
7843 (probe_stack_range): Allow front-end to set up a libfunc to call.
7845 * combine.c (simplify_comparison): When making comparison in wider
7846 mode, check for having commuted an AND and a SUBREG.
7847 (contains_muldiv): New function.
7848 (try_combine): Call it when dividing a PARALLEL.
7849 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7850 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7852 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7853 use one of the CLOBBERs instead.
7854 (if_then_else_cond): If comparing against zero, just return thing
7857 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7858 Don't generate shifts and subtract if have conditional arithmetic.
7860 * rtl.h (delete_barrier): New declaration.
7861 * jump.c (jump_optimize): Set up to handle conditional call.
7862 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7863 (delete_barrier): New function.
7865 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7867 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7869 * tree.c (build_type_attribute_variant): Push to obstack of
7870 ttype around type_hash_canon call.
7872 * expr.c (placeholder_list): Move decl to file scope.
7873 (expand_expr): Don't force access to volatile just because its
7875 If ignoring reference operations, just expand the operands.
7876 (expand_expr, case COMPONENT_REF): Propagate
7877 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7878 Refine test for using bitfield operations vs pointer punning.
7879 (expand_expr, case CONVERT_EXPR): If converting to
7880 BLKmode UNION_TYPE from BLKmode, just return inner object.
7881 Use proper mode in store_field call.
7882 Properly set sizes of object to store and total size in store_field
7883 call for convert to union.
7884 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7885 memory (like for ADDR_EXPR). Also, don't put constant in register if
7886 we'll want it in memory.
7887 (readonly_fields_p): New function.
7888 (expand_expr, case INDIRECT_REF): Call it if LHS.
7889 (expand_assignment): Handle a RESULT_DECL where
7890 DECL_RTL is a PARALLEL.
7891 (do_jump, case WITH_RECORD_EXPR): New case.
7892 (get_inner_reference): Always go inside a CONVERT_EXPR
7893 and NOP_EXPR if both modes are the same.
7894 (store_field): Use bitfield operations if size of bitsize is not same
7895 as size of RHS's type.
7896 Check for bitpos not a multiple of alignment in BLKmode case.
7897 Do block move in largest possible alignment.
7898 (store_constructor): Set BITSIZE to -1 for variable size and properly
7899 in case of array of BLKmode.
7900 (expand_expr_unaligned): New function.
7901 (do_compare_and_jump): Call it.
7903 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7904 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7905 does not include 'o'.
7907 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7908 both SET_DEST and SET_SRC reference a virtual register.
7909 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7911 * integrate.c (expand_inline_function): Handle case of setting
7912 virtual stack vars register (from built in setjmp); when parameter
7913 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7914 (subst_constant): Add new parm, MEMONLY.
7915 (expand_inline_function, integrate_parm_decls): Pass new parm.
7916 (integrate_decl_tree): Likewise.
7917 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7918 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7919 (copy_rtx_and_substitute, case SET): Add explicit calls to
7920 copy_rtx_and_substitute for both sides.
7922 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7924 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7925 within INDEX_TYPE, instead of before.
7926 (fixup_gotos): Use f->target_rtl, not the next insn,
7927 since latter may be from a later fixup.
7928 (expand_value_return): Correctly convert VAL when promoting function
7929 return; support RETURN_REG being a PARALLEL.
7930 (expand_return): When checking for result in regs and having
7931 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7933 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7935 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7936 last_nominal_fname): Mark const.
7937 (struct include_hash: name, nshort, control_macro): Mark
7939 (struct macrodef: symnam): Mark const.
7940 (struct if_stack: fname): Mark const.
7941 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7942 (IStable): New character-syntax array which encompasses all
7943 the old is_foo arrays.
7944 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7945 is_space): New macros for interrogating IStable.
7946 (check_macro_name): Kill last argument. All callers changed.
7948 * cppinit.c (initialize_char_syntax): Delete.
7949 (is_idchar, is_idstart, is_hor_space, is_space,
7950 trigraph_table): Delete.
7951 (IStable): New. Initialize with clever macros to avoid
7952 information duplication.
7953 (builtin_array): Table of builtins to get rid of explicit list
7954 in initialize_builtins.
7955 (initialize_builtins): Use builtins_array.
7956 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7957 opts->dollars_in_ident.
7959 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7961 (cpp_parse_expr): Avoid 'format string is not constant'
7962 warning. Use ISGRAPH to identify printable chars.
7963 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7965 (read_and_prescan): Map trigraphs to chars with open-coded
7966 if-else-if-... sequence, not a lookup table.
7967 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7969 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7970 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7971 (check_macro_name): Remove ability to report an invalid
7972 assertion name, which is never used.
7973 (do_line): Constify a couple of char *'s.
7974 * cppmain.c (main): Call cpp_cleanup before returning.
7976 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7978 * ggc.h (struct ggc_statistics): New type.
7979 (ggc_get_size): New function.
7980 (ggc_print_statistics): Likewise.
7981 * ggc-common.c (ggc_stats): New variable.
7982 (ggc_mark_rtx_children): Keep statistics.
7983 (ggc_mark_tree_children): Likewise.
7984 (ggc_print_statistics): New function.
7985 * ggc-page.c (struct globals): Add bytes_mapped field.
7986 (alloc_anon): Update it.
7987 (release_pages): Likewise.
7988 (ggc_get_size): New function.
7989 (ggc_page_print_statistics): New function.
7990 * ggc-simple.c (ggc_get_size): New function.
7992 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7994 * flow.c (propagate_block): When the last reference to a label
7995 before an ADDR_VEC is deleted because the reference is a dead
7996 store, delete the ADDR_VEC.
7998 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
8000 * resource.c (find_free_register): Don't use the frame pointer
8001 if frame_pointer_needed.
8003 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
8005 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
8006 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
8008 * config/i960/i960.c (i960_va_start): New locals base, num.
8009 Use INDIRECT_REF instead of ARRAY_REF on valist.
8010 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
8012 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
8014 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
8016 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
8018 * tree.def (PLACEHOLDER_EXPR): Update comments.
8020 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8022 * c-common.c (check_format_info): Avoid non-literal format string
8023 warnings when `first_arg_num' is zero.
8025 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8027 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
8029 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8031 * arm.md (casesi_insn): Add a clobber of the condition code
8034 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
8036 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
8037 used by both cc1 and cc1plus.
8039 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
8041 * config/arm/arm.c: Initialise arm_structure_size_boundary to
8042 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
8043 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
8044 to the value 32 if it has not already been defined.
8045 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
8046 Override definition in arm.h with a value of 8.
8048 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
8050 * c-pragma.c (push_alignment): Don't check the return value
8053 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
8055 * sparc.h (ADJUST_COST): Fix thinko.
8057 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
8059 * cccp.c (rescan): Fixed obp pointer handling around call to
8060 check_expand subroutine.
8062 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
8064 * gcse.c (delete_null_pointer_checks): Only record non-null info
8065 for pseudos when examining stores.
8067 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
8068 splitters for these patterns. Use "#" for output templates.
8069 (addsi3_carryin_shift): New pattern.
8071 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
8073 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
8074 of the function return register into a plain REG until
8075 after function inlining is done.
8077 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
8079 * jump.c (jump_optimize_1): If we did cross-jumping, and
8080 the data will matter, rebuild the CFG.
8081 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
8082 not optimizing. Don't run shorten_branches.
8083 * toplev.c (rest_of_compilation): Run shorten_branches after
8086 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
8088 * rtl.h (note_stores): Add additional paramter.
8089 * rtlanal.c (reg_set_p_1): Take additional paramter.
8090 (reg_set_last_1): Likewise.
8091 (reg_set_p): Adjust call to note_stores.
8092 (reg_set_last): Likewise.
8093 (note_stores): Pass data parameter to worker function.
8094 * alias.c (record_set): Take additional parameter.
8095 (init_alias_analysis): Pass it.
8096 * caller-save.c (mark_set_regs): Take additional parameter.
8097 (save_call_clobbered_regs): Pass NULL to note_stores.
8098 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
8100 (record_dead_and_set_regs_1): Likewise.
8101 (reg_dead_at_p_1): Likewise.
8102 (combine_instructions): Adjust calls to note_stores.
8103 (try_combine): Likewise.
8104 (record_dead_insn): Remove.
8105 (record_dead_and_set_regs): Adjust calls to note_stores.
8106 (reg_dead_at_p): Likewise.
8107 * cse.c (invalidate_skipped_set): Take additional parameter.
8108 (cse_check_loop_start): Likewise.
8109 (cse_check_loop_start_value): Remove.
8110 (cse_set_around_loop): Adjust calls to note_stores.
8111 * flow.c (notice_stack_pointer_modification): Take additional
8112 parameter. Remove duplicate declaration.
8113 (record_volatile_insns): Adjust calls to note_stores.
8114 * gcse.c (record_set_info): Take additional parameter.
8115 (record_last_set_info): Likewise.
8116 (invalidate_nonnull_info): Likewise.
8117 (record_set_insn): Remove.
8118 (compute_sets): Adjust calls to note_stores.
8119 (last_set_insn): Remove.
8120 (compute_hash_table): Adjust calls to note_stores.
8121 (insert_insn_end_bb): Likewise.
8122 (delete_null_pointer_checks): Likewise.
8123 * global.c (mark_reg_store): Take additional parameter.
8124 (mark_reg_clobber): Likewise.
8125 (reg_becomes_live): Likewise.
8126 (global_conflicts): Adjust calls to note_stores.
8127 (build_insn_chain): Likewise.
8128 * integrate.c (note_modified_parmregs): Take additional parameter.
8129 (mark_stores): Likewise. Make it static.
8130 (save_for_inline_nocopy): Adjust calls to note_stores.
8131 (try_constants): Likewise.
8132 * integrate.h (mark_stores): Remove declaration.
8133 * jump.c (mark_modified_reg): Take additional parameter.
8134 (thread_jumps): Adjust calls to note_stores.
8135 * local-alloc.c (validate_equiv_mem_from_store): Take additional
8137 (no_equiv): Likewise.
8138 (reg_is_set): Likewise.
8139 (validate_equiv_mem): Adjust calls to note_stores.
8140 (update_equiv_regs): Likewise.
8141 (block_alloc): Likewise.
8142 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
8143 (note_addr_stored): Take additional parameter.
8144 (note_set_pseudo_multiple_uses): Likewise.
8145 (record_initial): Likewise.
8146 (prescan_loop): Adjust calls to note_stores.
8147 (strength_reduce): Likewise.
8148 (check_dbra_loop): Likewise.
8149 * regmove.c (flags_set_1): Take additional paramter.
8150 (mark_flags_life_zones): Adjust calls to note_stores.
8151 * reload1.c (mark_not_eliminable): Take additional parameter.
8152 (forget_old_reloads_1): Likewise.
8153 (reload_cse_invalidate_rtx): Likewise.
8154 (reload_cse_check_clobber): Likewise.
8155 (reload_combine_note_store): Likewise.
8156 (move2add_note_store): Likewise.
8157 (reload): Adjust calls to note_stores.
8158 (reload_as_needed): Likewise.
8159 (emit_reload_insns): Likewise.
8160 (reload_cse_regs_1): Likewise.
8161 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
8162 (reload_combine): Adjust calls to note_stores.
8163 * resource.c (update_live_status): Take additional paramter.
8164 (mark_target_live_regs): Adjust calls to note_stores.
8165 * stupid.c (find_clobbered_regs): Take additional parameter.
8166 (stupid_life_analysis): Adjust calls to note_stores.
8168 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
8170 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
8173 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
8176 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
8177 of the variable arm_structure_size_boundary.
8179 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
8181 * alias.c (init_alias_analysis): Allocate reg_known_value and
8182 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
8184 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
8185 * cse.c (cse_main): Call end_alias_analysis.
8186 * haifa-sched.c (schedule_insns): Likewise.
8187 * local-alloc. (update_equiv_regs): Likewise.
8188 * reload1.c (reload_cse_regs): Likewise.
8190 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8192 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
8193 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
8194 mapping from MASK_FPU.
8196 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
8198 * sparc.md (call): Don't bound structure return size to 0xfff.
8200 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
8202 * resource.c (mark_target_live_regs): Check that the target
8203 insn wasn't created after compute_bb_for_insn.
8205 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
8207 * ggc-page.c (poison_pages): Don't be overzealous.
8209 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
8211 * alias.c: Update comments for ADDRESS.
8212 (nonlocal_reference_p): Look inside the ADDRESS to determine if
8213 it is a local memory reference.
8215 * c-typeck.c (build_function_call): Check that the built-in
8216 function is of class BUILT_IN_NORMAL before trying to recongize
8218 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
8219 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
8221 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
8223 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
8225 (pre_gcse): Likewise.
8226 (hoist_expr_reaches_here_p): Likewise.
8227 (hoist_code): Likewise.
8228 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
8230 (pre_expr_reaches_here_p_work): ... here.
8231 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
8233 (expr_reaches_here_p_work): ... here.
8235 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
8237 * resource.c (find_basic_block): Delete.
8238 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
8239 (init_resource_info): Call compute_bb_for_insn.
8241 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8243 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8244 with already adjacent blocks, but no fallthru.
8245 (merge_blocks_move_successor_nojumps): Simplify.
8246 (debug_flow_info): New.
8248 * toplev.c (rest_of_compilation): Open jump1 dump file before
8249 jump and close after, as opposed to just using dump_rtl.
8251 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8253 * reload.h (earlyclobber_operand_p): Declare.
8254 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8255 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8256 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8257 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8259 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8260 Richard Henderson <rth@cygnus.com>
8262 * emit-rtl.c (emit_block_insn_before): New.
8263 (emit_block_insn_after): New.
8264 * basic-block.h: Declare them.
8266 * bitmap.h: Protect from multiple inclusion.
8268 * recog.c (scratch_operand): Handle VOIDmode correctly.
8270 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8272 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8273 * function.c (assign_parms): Likewise.
8274 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8276 * reg-stack.c (max_uid): Remove.
8277 (blocks, block_begin, block_end, block_drops_in): Remove.
8278 (block_stack_in, block_out_reg_set, block_number): Remove.
8279 (struct block_info_def, BLOCK_INFO): New.
8280 (enum emit_where): New.
8281 (current_block): New.
8282 (BLOCK_NUM): Remove.
8283 (mark_regs_pat, record_label_references): Remove.
8284 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8286 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8287 (reg_to_stack): Simplified test for existance of fp code. Use
8288 flow.c code. Call shorten_branches after cross-jump opt.
8289 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8290 Return false if the asm doesn't use stack regs. Don't do life
8291 analysis on the asm.
8292 (emit_pop_insn): Replace function pointer arg `when' with
8293 enum `where'. Update all callers.
8294 (change_stack): Likewise. Update basic block end.
8295 (emit_swap_insn): Use current_block->head to limit reverse search
8296 for start of block. Use emit_block_insn_after.
8297 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8298 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8299 structure assignment instead of bcopy.
8301 (convert_regs_entry, convert_regs_exit): New.
8302 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8303 Work on basic blocks and the CFG.
8304 (convert_regs): Use them.
8306 * i386.c (output_fix_trunc): Remove code for DImode input operand
8307 not at top-of-stack.
8308 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8310 (fix_truncdi_1): Allow any mode scratch.
8312 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8314 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8315 * linux.h, netbsd.h, vms.h: Not here.
8317 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8319 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8320 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8321 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8322 CONDITIONAL_REGISTER_USEAGE): Use them.
8323 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8324 gen_conditional_branch,override_options) : Use them.
8325 * config/mips/mips.md : Use them.
8327 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8329 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8331 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8333 * integrate.c (function_cannot_inline_p): Don't allow inlining
8336 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8338 * c-parse.in (cast_expr): Constify.
8340 * cccp.c (special_symbol): Likewise.
8342 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8344 * dwarf2out.c (base_type_die): Likewise.
8346 * global.c (allocno_compare): Likewise.
8348 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8350 * regclass.c (fix_register): Likewise.
8352 * rtl.h (fix_register): Likewise.
8354 * stupid.c (stupid_reg_compare): Likewise.
8356 * toplev.c (decode_f_option): Likewise.
8358 * tree.c (build_complex_type): Likewise.
8360 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8362 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8364 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8366 * reload.c (find_reloads): Compute mode and nregs fields of all
8368 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8369 (calculate_needs): Use precomputed mode/nregs values.
8370 (allocate_reload_reg): Likewise.
8372 (failed_reload, set_reload_reg): ... new functions.
8373 (choose_reload_regs_init): New function, mostly broken out from...
8374 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8375 Also lose one #if 0 block.
8377 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8379 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8382 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8384 * tree.h (BLOCK_TYPE_TAGS): Remove.
8385 (BLOCK_END_NOTE): Likewise.
8386 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8387 (BLOCK_LIVE_RANGE_START): Likewise.
8388 (BLOCK_LIVE_RANGE_END): Likewise.
8389 (tree_block): Remove live_range_flag, live_range_var_flag, and
8390 type_tags. Remove end_note, live_range_start, and live_range_end.
8391 (remember_end_note): Remove prototype.
8392 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8393 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8395 * ggc-common.c (ggc_mark_tree_children): Don't mark
8396 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8397 * integrate.c (adjust_copied_decl_tree): Remove.
8398 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8399 * stmt.c (last_block_end_note): Remove.
8400 (init_stmt): Don't add a GC root for it.
8401 (expand_fixup): Don't set it.
8402 (remember_end_note): Remove.
8403 (expand_end_bindings): Don't set last_block_end_note.
8405 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8407 * reload1.c (reload_reg_free_for_value_p): Show
8408 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8411 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8413 * expmed.c (extract_bit_field): Allow for the case of non-integer
8414 objects that are smaller than a word (like SFmode on a 64-bit
8417 * loop.c (basic_induction_var): A non-integer variable which is
8418 being set by a paradoxical subreg is probably not a biv.
8420 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8422 * prefix.c (translate_name) Check for empty prefix string.
8424 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8426 * Makefile.in (CPP_CROSS_NAME): New variable.
8427 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8429 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8430 names of the files to be uninstalled.
8432 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8434 * collect2.c (IS_DIR_SEPARATOR): Define.
8435 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8437 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8440 * haifa-sched.c (add_dependence): Update the true dependency
8441 cache the first time we add a true dependence to the LOG_LINKS chain.
8443 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8445 * fold-const.c (fold): Fix comment.
8447 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8449 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8450 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8451 dbxout_start_new_source_file, dbxout_source_file,
8452 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8453 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8455 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8456 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8457 (dbxout_block): Initialize variable `blocknum'.
8459 * dbxout.h (dbxout_init, dbxout_finish,
8460 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8461 dbxout_args, dbxout_source_line): Constify a char*.
8463 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8464 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8465 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8466 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8467 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8468 src_info_attribute, mac_info_attribute, producer_attribute,
8469 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8470 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8471 dwarfout_undef): Constify a char*.
8472 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8474 * dwarfout.h (dwarfout_define, dwarfout_undef,
8475 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8477 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8479 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8480 (MULTILIB_ISA_DEFAULT): New.
8481 (MULTILIB_DEFAULTS): Use it.
8482 * config/mips/mips.c (): Remove the now unnecessary definition
8483 of MIPS_ISA_DEFAULT.
8484 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8485 unnecessary definition.
8487 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8489 * arm.md (pic_load_addr): Add constraints to operand 1.
8491 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8493 * fixinc/genfixes: Provide a means for specifying -D options to
8496 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8498 * arm.c (arm_override_options): Correct initialization of
8499 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8500 arm_is_strong, and arm_is_6_or_7.
8502 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8503 (note_set_pseudo_multiple_uses): New function.
8504 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8505 if a pseudo set in the loop exit is used elsewhere.
8507 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8509 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8511 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8513 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8514 a single load-address pattern.
8516 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8518 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8519 depending on whether or not line-number notes are present.
8521 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8523 * cccp.c (progname, file_buf, default_include, include_file,
8524 macrodef, definition, hashval, wchar_type, user_label_prefix,
8525 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8526 expand_to_temp_buffer, is_system_include, base_name,
8527 absolute_filename, read_name_map, open_include_file,
8528 record_control_macro, check_precompiled, check_preconditions,
8529 pcfinclude, pass_thru_directive, create_definition,
8530 check_macro_name, comp_def_part, collect_expansion,
8531 check_assertion, read_token_list, assertion_install,
8532 assertion_lookup, eval_if_expression, conditional_skip,
8533 validate_else, skip_quoted_string, quote_string, macarg1,
8534 error_from_errno, install, lookup, hashf, dump_defn_1,
8535 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8536 check_white_space, rescan, handle_directive, monthnames,
8537 special_symbol, do_include, remap_include_file, write_output,
8538 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8539 do_ident, do_sccs, do_xifdef, skip_if_group,
8540 output_line_directive, macroexpand, macarg, change_newlines,
8541 initialize_builtins, make_definition): Constify a char*.
8543 * pcp.h (stringdef): Likewise.
8545 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8547 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8550 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8551 Richard Henderson <rth@cygnus.com>
8553 * alias.c: Include ggc.h.
8554 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8555 (record_set): Verify enough room in reg_base_value.
8556 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8557 Register it as a GC root.
8558 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8559 * Makefile.in (alias.o): Depend on ggc.h.
8561 * unroll.c (unroll_loop): Verify the insn before a barrier
8562 is a JUMP_INSN before checking JUMP_LABEL.
8564 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8566 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8567 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8568 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8569 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8570 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8571 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8573 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8575 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8577 * alpha/alpha-interix.h (text_section): Delete prototype.
8578 * alpha/elf.h (text_section): Likewise.
8579 * arm/linux-elf.h (text_section): Likewise.
8580 * arm/linux-telf.h (text_section): Likewise.
8581 * c4x/c4x.h (text_section): Likewise.
8582 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8583 * elfos.h (text_section): Likewise.
8584 * i386/aix386ng.h (text_section): Likewise.
8585 * i386/i386-interix.h (text_section): Likewise.
8586 * i386/sco5.h (text_section): Likewise.
8587 * i386/svr3gas.h (text_section): Likewise.
8588 * nextstep.h (text_section): Likewise.
8589 * psos.h (text_section): Likewise.
8590 * ptx4.h (text_section): Likewise.
8591 * svr3.h (text_section): Likewise.
8592 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8594 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8596 * final.c (peephole): Delete prototype.
8598 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8599 (pre_insert_copies): Remove unused variable `bb'.
8601 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8604 * output.h (peephole): Add prototype.
8606 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8608 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8611 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8613 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8614 for inlined declarations.
8616 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8618 * arm.c (logical_binary_operator): New fucntion.
8619 * arm.h (logical_binary_operator): Declare it.
8620 (PREDICATE_CODES): Handle logical_binary_operator.
8621 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8622 output constraints. Add appropriate splitters.
8623 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8624 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8625 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8627 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8629 * genoutput.c (struct operand_data): New elt eliminable.
8630 (output_operand_data): Write it.
8631 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8632 (compare_operands): Take it into account.
8633 * recog.h (struct insn_operand_data): New elt eliminable.
8634 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8636 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8637 (eliminate_regs): Move code that detects changes to elimination
8638 target regs into new function elimination_effects.
8639 Delete one #if 0 block.
8640 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8641 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8642 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8643 Only call eliminate_regs for real operands of the insn, not for parts
8644 of its structure or parts matched by things like match_operator.
8645 Use elimination_effects and check_eliminable_occurrences. Use
8646 copy_insn to duplicate the pattern when not in the final pass.
8648 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8650 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8653 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8655 * fixinc/README: document the "mach" machine matching test
8656 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8657 * fixinc/fixtests.c: Implement the #else/#endif label test
8658 * fixinc/inclhack.def: utilize these tests and fixes
8659 * fixinc/inclhack.sh: regen
8660 * fixinc/fixincl.x: regen
8661 * fixinc/fixincl.sh: regen
8663 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8665 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8668 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8670 * gcc.1: Document exit codes.
8672 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8674 * calls.c: Include tm_p.h later, so everything we need is defined.
8676 * function.c: Likewise.
8678 * except.c: Include tm_p.h.
8680 * sparc.c: Likewise.
8681 (dwarf2out_cfi_label): Don't prototype.
8682 (check_return_regs, epilogue_renumber,
8683 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8684 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8685 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8686 ultra_schedule_insn): Add static prototype.
8687 (data_segment_operand, text_segment_operand): Call itself with the
8688 proper number of arguments.
8689 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8691 * sparc.h: Move all declarations to sparc-protos.h.
8692 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8695 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8697 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8699 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8700 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8701 ASM_OUTPUT_ASCII): Constify a char*.
8703 * sparc-protos.h: New file for sparc prototypes.
8705 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8707 * function.c (record_insns, contains): Always declare and define.
8708 (record_insns): Mark with ATTRIBUTE_UNUSED.
8710 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8712 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8713 to .section when outputting a .bss section to deal with multiple
8714 .bss input sections (as happens with -fdata-sections)
8715 Also output %progbits, not @progbits so the assembler doesn't treat as
8717 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8719 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8720 thumb parts even when building with non-thumb CPUs, by forcing
8723 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8725 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8726 (movdf_const_intreg_sp64): Similarly.
8728 * local-alloc.c (update_equiv_regs): Check the correct insn
8729 for pre-existing REG_EQUIV notes.
8731 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8733 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8734 block reached by a branch if we're not going to actually process
8737 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8739 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8740 a local extern function declaration.
8742 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8744 * i386.c (ix86_expand_prologue): Properly wrap USE around
8745 reg for CALL_INSN_FUNCTION_USAGE.
8747 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8749 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8750 move between GP_REGs.
8752 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8754 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8755 the mode size when finding out if an offset is legal.
8757 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8759 * basic-block.h (PROP_*): Move constants from ...
8761 (compute_bb_for_insn): Free the array before reallocating.
8762 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8763 (allocate_reg_life_data): Reset all reg variables collected by
8765 (get_block_head_tail): Don't convert from bb to block.
8766 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8767 (find_insn_reg_weight): Take block not bb.
8768 (schedule_block): Don't set block num for moved insns.
8769 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8770 (schedule_insns): Do it here instead.
8771 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8772 before update_life_info.
8773 * recog.c (split_all_insns, peephole2_optimize): Update for
8774 new arg to update_life_info.
8775 * rtlanal.c (remove_note): Cope with NULL note.
8776 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8779 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8781 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8783 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8784 block records so that merge_blocks_nomove will clean up correctly.
8785 (split_edge): Handle casesi insns.
8787 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8789 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8791 * pa.md (call, call_value): Do not emit a blockage after restoring
8794 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8796 * c-typeck.c (c_expand_asm_operands): Fix typo.
8798 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8800 * arm.c (fpu_rhs_operand): Verify modes.
8801 (fpu_add_operand): Likewise.
8802 (di_operand): Likewise.
8803 (soft_df_operand): Likewise.
8805 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8807 * arm.c (arm_return_in_memory): APCS rules state that the elements
8808 of a structure returned in a register must be 'integer-like'.
8810 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8812 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8813 in the source tree when the generated targets are out of date
8814 * fixinc/genfixes: Alter it to run individual fixes for make.
8815 * fixinc/README: rewrite
8816 * fixinc/inclhack.def: moved initial comments to README
8818 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8820 * toplev.c (main): Do not generate an error message if an
8821 unrecognised command line switch is recognisable by another
8822 language. If extra_warnings are enabled, then generate a
8823 warning message instead.
8825 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8827 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8828 (insert_pack_attributes): Delete prototype.
8830 * c-pragma.c (default_alignment): New static variable.
8831 (push_alignment): Initialize to current effective alignment.
8832 (pop_alignment): Use to set new alignment.
8833 (insert_pack_attributes): Delete function.
8834 (handle_pragma_token): Set default_alignment as well each time
8835 a #pragma pack(<n>) is encountered.
8837 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8839 * reg-stack.c (stack_result): Aggregates are not returned in
8842 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8844 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8846 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8848 * basic-block.h (set_block_num): Declare.
8849 * flow.c (update_life_info): Don't call compute_bb_for_insn
8850 or free_basic_block_vars.
8851 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8852 (insn_orig_block): Remove.
8853 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8854 (schedule_block): Keep BLOCK_NUM up-to-date.
8855 (schedule_insns): Use compute_bb_for_insn.
8856 * recog.c (split_all_insns): Likewise.
8857 (peephole2_optimize): Likewise.
8859 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8861 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8862 if the pic register is used.
8864 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8866 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8867 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8868 if that tests TREE_PERMANENT.
8870 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8872 * cse.c (invalidate_for_call): Do not remove memory references from
8873 the table here. It's handled elsewhere.
8875 * haifa-sched.c (add_dependence): Protect references to the
8876 true dependency cache with #ifdef INSN_SCHEDULING.
8877 (remove_dependence): Similarly.
8879 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8880 to the cfg code that this is a return instruction.
8881 * mn10300.md (return_internal): Similarly.
8883 * combine.c (get_last_value): If the last set of a register
8884 is after subst_low_cuid, then we can not use it to determine
8885 the register's last value.
8887 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8889 * Makefile.in: Back out previous change.
8891 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8893 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8895 * haifa-sched.c (add_dependence): Only check/update the cache
8897 (remove_dependence): Likewise.
8898 (schedule_insns): Only create the true_dependency_cache if the
8899 average number of instructions in a basic block is very large.
8901 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8903 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8904 (ggc-simple.o): Likewise.
8905 (ggc-page.o): Likewise.
8907 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8909 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8910 Prototype for exported functions.
8911 (pre_lcm, pre_rev_lcm): Remove prototypes.
8912 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8913 (compute_available): Move to lcm.c, and change parameter order.
8914 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8915 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8916 (gcse_main): No longer call compute_preds_succs. Rebuild the
8917 set table after reach pre pass.
8918 (pre_insert_map, pre_delete_map, edge_list): New.
8919 (alloc_pre_mem): Allocate edge vectors.
8920 (free_pre_mem): Delete edge vectors.
8921 (compute_pre_data): Call new edge based lcm routines.
8922 (process_insert_insn): New function.
8923 (insert_insn_end_bb): Use it.
8924 (pre_edge_insert): New function.
8925 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8927 (pre_insert_copies): Revamp using new edge based lcm outputs.
8928 (pre_delete): Likewise.
8929 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8931 (compute_code_hoist_vbeinout): New new edge based routines.
8932 * lcm.c: Remove all the old LCM functions. Replace with new ones
8933 that work with the new cfg datastructures and work with edges
8936 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8938 * reload.h (struct reload): Add new fields "mode" and "nregs".
8939 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8940 to reference the "mode" and "nregs" field within struct reload.
8942 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8944 * haifa-sched.c (true_dependency_cache): New.
8945 (add_dependence): Use the true dependency cache to avoid expensive
8946 walks down the LOG_LINKS dependency list. Add entries to the
8948 (remove_dependence): Remove entries from the true dependency cache
8950 (schedule_insns): Allocate and initialize and free the true
8953 * haifa-sched.c (schedule_insns): Do not remove inter-block
8954 dependencies anymore.
8956 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8958 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8959 * i386/t-winnt: Likewise.
8961 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8963 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8965 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8967 * Makefile.in (LANGUAGES): Omit "proto".
8968 (clean): Remove stale comment about removing unprotoize.c.
8970 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8972 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8973 using arithmetic on void pointers.
8975 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8977 * haifa-sched.c (compute_block_forward_dependencies): Only check
8978 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8980 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8982 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8983 (expr_equiv_p): Reject memories with different alias sets.
8985 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8987 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8988 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8989 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8990 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8991 (lang_init): Set default for flag_bounds_check if still "unspecified".
8993 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8995 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8997 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8999 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
9002 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9004 * config/c4x/c4x.md (*db_noclobber,
9005 *decrement_and_branch_until_zero_noclobber): New patterns and
9006 associated splitters.
9008 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9010 * config/c4x/c4x.md (parallel instruction patterns): Rework
9011 constraints to keep reload happy.
9013 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9015 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
9016 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
9017 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
9018 Add new patterns and associated post-reload splitters.
9020 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9022 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
9024 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9026 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
9028 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
9030 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9032 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
9035 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
9037 * pa.c (move_operand): Rely on memory_address_p to determine the
9038 validity of non-indexed memory addresses.
9039 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
9040 operand in DFmode and SFmode when generating PA2.0 code.
9042 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
9044 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
9046 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
9048 * mips.c (function_prologue): Fix argument types.
9049 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
9050 (casesi_internal): Write to the scratch register.
9052 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
9054 * cppexp.c (cpp_parse_escape): Make static. Change second arg
9056 (parse_charconst): Delete unnecessary cast when calling
9058 (cpplib.h): Kill prototype of cpp_parse_escape.
9060 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
9062 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
9063 * unroll.c (unroll_loop): Cast return value of alloca.
9064 * i370/i370.c: Include function.h and toplev.h.
9065 (i370_label_scan): Remove c++ commented abort.
9066 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
9067 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
9068 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
9069 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
9071 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
9073 * config/t-freebsd: Do not override USER_H.
9074 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
9076 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
9077 Mumit Khan <khan@xraylith.wisc.edu>
9079 * c-parse.in (component_decl): Support anonymous struct/union.
9081 * c-parse.y: Regenerate.
9082 * c-parse.c: Likewise.
9083 * objc/objc-parse.y: Likewise.
9084 * objc/objc-parse.c: Likewise.
9085 * c-decl.c (finish_struct): Don't sort the fields.
9086 (field_decl_cmp): Delete unused function.
9088 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
9090 * sparc.md (movsf_const_intreg): Revert last constraint change.
9091 (movdf_const_intreg_sp32): Likewise.
9093 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
9095 * cse.c: Include hashtab.h instead of splay-tree.h
9096 (struct cse_reg_info): No longer use variant union. Add new
9097 field "regno". All references changed to avoid union.
9098 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
9099 (free_cse_reg_info): Remove.
9100 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
9101 (get_cse_reg_info): Revamp to use expandable hash tables instead
9102 of splay trees. Initialize new fields in cse_reg_info structure.
9103 (new_basic_block): Similarly.
9105 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
9107 * genrecog.c (message_with_line): Prototype.
9108 (validate_pattern): Pass along the set for the dest, not a flag.
9109 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
9110 Check for PC/CC0 as sources.
9111 (nodes_identical): Check for children position match before
9112 allowing the combination.
9114 * rtl.c (read_rtx): Track line number across \\\n.
9116 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
9118 * mips.h (SPECIAL_MODE_PREDICATES): New.
9119 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
9120 (movdi+1, movsi+1): Add output reload constraint.
9121 (casesi_internal): Likewise. Fix commentary.
9122 (return_internal): Use pmode_register_operand.
9124 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
9126 * 1750a.md (movstrqi): Add missing output reload constraint.
9127 (call_value): Likewise.
9128 * a29k.md (cpxxx patterns): Add missing match_operator mode.
9129 (jmpfdec): Add missing inout reload constraint.
9130 * elxsi.md (addsi patterns): Add missing output reload constraint.
9131 (move from sp): Use @ alternates.
9132 (call_value): No constraint on output.
9133 * fr30.md (movsi_pop): Add missing output reload constraint.
9134 (movsf_constant_store): Likewise.
9135 (splits): Remove constraints.
9136 (subsi3): Add missing mode.
9137 * i370.md (cmpstrsi+1): Add missing output reload constraint.
9138 (call_value): Likewise.
9139 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
9140 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
9141 * m32r.md (movsicc_internal): Add output reload constraint.
9142 (movstrsi_internal): Add inout reload constraints.
9143 * m88k.h (reg_names): Don't declare.
9144 (SPECIAL_MODE_PREDICATES): New.
9145 * m88k.md (*): Use register_operand not reg_or_0_operand
9147 * mn10200.h (PREDICATE_CODES): New.
9148 * ns32k.md (ffs pattern): Add output reload constraint.
9149 * pdp11.md (sob pattern): Add inout reload constraint.
9150 * sh.md (splits): Remove constraints.
9151 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
9152 * v850.md (pattern_is_ok_for_epilogue): Likewise.
9153 * vax.md (jgequ pattern): Add inout reload constraint.
9155 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
9157 * configure.in (djgpp): Revert previous patch.
9158 * configure: Rebuit.
9159 * config/i386/djgpp.h: Revert previous patch.
9161 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
9163 * fixinc/inclhack.def: Restore patch lost during last merge of
9164 "no_bogosity" branch.
9165 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
9167 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9169 * fixincludes: Add a HPUX 11 fix for inttypes.h.
9170 * fixinc/inclhack.def: Same.
9171 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
9173 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
9175 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
9176 as the base of a PLUS.
9178 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9180 * config/c4x/c4x.md: Define mode for remaining unspec operators.
9181 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
9183 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
9185 * pa.md (post_stw+1): Use pmode_register_operand.
9186 (dcacheflush, icacheflush): Likewise.
9188 * i386.md (movstricthi_1): Allow r/r.
9190 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
9192 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
9193 to (not (and (arg0) (arg1))). Similary for and.
9195 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
9196 fallthrough to associate code.
9197 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
9200 * combine.c (simplify_logical): Convert XOR to IOR if operands have
9201 no bits in common; remove XOR to ROTATE conversion.
9203 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9205 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
9207 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9209 * config/c4x/c4x.c (dst_operand): New.
9210 (PREDICATE_CODES): Update.
9211 * config/c4x/c4x.h (dst_operand): Declare it.
9212 * config/c4x/c4x.md: Define mode for each unspec usage.
9213 (move patterns): Use dst_operand predicate instead of src_operand.
9214 (movqi_update, movqf_update): Delete.
9216 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
9218 * recog.c (pmode_register_operand): New.
9219 * recog.h: Declare it.
9220 * genrecog.c (pred_codes): Likewise.
9221 (special_mode_pred_table): Likewise.
9222 (validate_pattern): Don't warn no mode for address_operand.
9224 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
9225 if the operand is not insn-like.
9227 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
9228 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
9230 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
9232 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
9234 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
9235 instead of general_operand in a SET_DEST. Use const_double_operand
9236 instead of an explicit test against CONST_DOUBLE.
9237 (movsf_const_lo): Add missing register mode.
9238 (goto_handler_and_restore): Add auxiliary test for Pmode.
9239 (flush): Adjust to use address_operand.
9240 (return_sf_no_fpu): Add missing output constraint.
9242 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9244 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9245 for call return value.
9246 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9248 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9250 * toplev.c (main): Only warn about options for other languages.
9251 * collect2.c (main): Pass -w to sub-gcc.
9253 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9255 * flow.c (propagate_block): Add call-clobbered registers to
9258 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9259 zapping mem_set_list.
9260 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9261 (mark_set_1, mark_used_regs): Likewise.
9263 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9265 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9267 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9269 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9270 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9271 options. Also add a new item "C-only Warning Options" to the
9274 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9276 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9277 from multiple calls.
9279 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9281 * i386.md (call value patterns): Move to the end of the file.
9282 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9284 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9286 * configure.in (djgpp configuration): Define extra_objects..
9287 * configure: Rebuilt.
9288 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9289 (DTORS_SECTION_ASM_OP): Define.
9290 (INIT_SECTION_ASM_OP): Define.
9291 (FINI_SECTION_ASM_OP): Define.
9292 (DATA_SECTION_ASM_OP): Define.
9293 (TEXT_SECTION_ASM_OP): Define.
9294 (EH_FRAME_SECTION_ASM_OP): Define.
9295 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9296 (STARTFILE_SPEC): Add crtbegin.o.
9297 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9298 to here from LINK_COMMAND_SPEC.
9299 (DO_GLOBAL_CTORS_BODY): Define.
9300 (CRTSTUFF_USE_FINI_SECTION): Define
9301 (HAS_INIT_SECTION): Delete.
9303 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9305 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9307 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9309 * pa.h (PREDICATE_CODES): New.
9311 * genrecog.c (validate_pattern): Condense the destination
9314 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9316 * alpha.md (call-1): Supply missing mode for operator.
9317 (*): Add missing output reload constraints. Remove constraints
9320 * i386.h (SPECIAL_MODE_PREDICATES): New.
9321 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9322 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9323 (addsi_lea_3): Add missing mode for op 3.
9324 (prologue_set_got, prologue_get_pc): Add missing modes.
9325 (*) Add missing output reload constraints.
9327 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9329 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9330 check for member bit-size overflow and use var_size if it occurs.
9331 (layout_record): Use bitsize_int() to define the type size in bits.
9332 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9333 (layout_decl): Likewise when assigning to DECL_SIZE.
9335 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9337 * genrecog.c (validate_pattern): Typo last change. Verify
9338 that output operands have output reloads.
9340 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9342 * genrecog.c (special_mode_pred_table): New.
9343 (NUM_SPECIAL_MODE_PREDS): New.
9344 (find_operand): New.
9345 (validate_pattern): New argument `insn'. Warn for assignment to
9346 any predicate accepting non-lvalues. Conditionaly warn for
9347 match_operand without a mode. Try much harder to match source
9348 and destination modes on a set.
9349 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9351 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9353 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9355 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9357 * combine.c (simplify_logical): Recognize xor pattern that encodes
9360 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9362 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9365 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9367 * ggc-page.c (MAP_FAILED): Provide default.
9369 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9371 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9372 * sparc.h (PREDICATE_CODES): Update.
9374 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9376 * alpha.c (some_ni_operand): New.
9377 * alpha-protos.h: Declare it.
9378 * alpha.h (PREDICATE_CODES): Update.
9379 * alpha.md (sXaddq reload insns): Use some_ni_operand
9380 for SET_DEST instead of some_operand.
9382 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9383 Jim Wilson <wilson@cygnus.com>
9385 * genrecog.c (maybe_both_true_2): Don't compare modes of
9387 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9388 after find_afterward.
9389 (debug_decision_1): Dump next and afterward codes.
9391 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9393 * rtl.c (dump_and_abort): Remove.
9394 (fatal_with_file_and_line): New.
9395 (fatal_expected_char): New.
9396 (read_rtx_lineno, read_rtx_filename): New.
9397 (read_skip_spaces): Track line number.
9398 (read_name): Use fatal_with_file_and_line.
9399 (read_rtx): Use fatal_expected_char. Track line number.
9400 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9402 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9403 if it isn't a CODE_LABEL.
9405 * genattr.c (main): Set read_rtx_filename.
9406 * genattrtab.c (main): Likewise.
9407 * gencodes.c (main): Likewise.
9408 * genconfig.c (main): Likewise.
9409 * genemit.c (main): Likewise.
9410 * genextract.c (main): Likewise.
9411 * genflags.c (main): Likewise.
9412 * genopinit.c (main): Likewise.
9413 * genoutput.c (main): Likewise.
9414 * genpeep.c (main): Likewise.
9416 * genrecog.c (decision_test.u.insn): Add `lineno'.
9417 (pattern_lineno, error_count): New variables.
9418 (message_with_line): New.
9419 (add_to_sequence): Break out checking code to ...
9420 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9421 (merge_insn): Use message_with_line.
9422 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9423 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9425 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9427 * expr.c (store_constructor): Clear union if constructor is empty.
9429 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9431 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9432 Add !endian checks. Change %{...} to %(...).
9434 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9436 * i386.md (*addsi3_cc): Renamed from addcsi3.
9437 (*addsi3_carry): Renamed from addxsi3.
9438 (*subsi3_cc): Renamed from subcsi3.
9439 (*subsi3_carry): Renamed from subxsi3.
9440 (*xorqi_cc_1): Renamed from xorcqi_1.
9441 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9442 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9444 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9446 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9447 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9449 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9451 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9452 climb up the chain of insns.
9454 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9456 * genrecog.c (write_subroutine): Careful for null trees.
9457 (process_tree): Don't elide empty functions.
9459 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9461 * Makefile.in (genrtl.o): Depend on ggc.h.
9462 * configure.in (valloc): Probe for it.
9463 (with-gc): Use ggc-page if valloc present.
9464 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9465 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9466 (ggc_alloc_string): Moved from ggc-page.c.
9467 * ggc-none.c (ggc_alloc_obj): New.
9468 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9469 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9470 (struct globals): Likewise for dev_zero_fd.
9471 (init_ggc): Likewise for it's initialization.
9472 (ggc_allocated_p): Move careful dereference from ...
9473 (ggc_lookup_page_table): ... here. Delete.
9474 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9475 (alloc_anon): Use valloc if no mmap.
9476 (release_pages): Use free if using valloc.
9477 (ggc_alloc_obj): Renamed from alloc_obj.
9478 (ggc_set_mark): Renamed from mark_obj.
9479 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9480 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9481 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9482 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9483 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9484 (ggc_collect): Use fp printing instead of our own rounding.
9485 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9486 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9487 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9488 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9489 (struct ggc_string, struct ggc_any): Delete.
9490 (offsetof): Provide default definition.
9491 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9493 (struct ggc_mem): New, from corpse of ggc_any.
9494 (struct ggc_status): Delete.
9495 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9496 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9497 (n_strings_collected, n_anys_collected): Delete.
9498 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9499 (ggc_alloc_string, ggc_alloc): Delete.
9500 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9501 (ggc_free_string, ggc_free_any): Delete.
9502 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9503 (ggc_compare_addresses, ggc_mark_string): Delete.
9504 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9505 (search_data): Delete.
9506 (struct globals): New.
9507 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9508 (tree_insert, tree_lookup): New.
9509 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9510 (clear_marks, sweep_objs): New.
9511 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9512 (init_ggc): Set allocated_last_gc.
9513 (ggc_push_context): Gut. Use G.context.
9514 (ggc_pop_context): Likewise.
9515 (ggc_pop_context_1): New.
9516 (debug_ggc_tree): New.
9517 (debug_ggc_balance, tally_leaves): New.
9518 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9519 (ggc_mark_string_if_gcable): Remove decl.
9520 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9521 (ggc_mark_rtvec_children): New.
9522 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9523 (ggc_mark_if_gcable): New decl.
9524 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9525 (ggc_alloc_tree, ggc_alloc): Likewise.
9526 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9527 (ggc_alloc_obj): New decl.
9528 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9529 (ggc_alloc_tree, ggc_alloc): Likewise.
9530 (ggc_set_mark): New decl.
9531 * rtl.h (struct rtx_def): Remove gc_mark.
9532 (struct rtvec_def): Likewise.
9533 * tree.h (struct tree_common): Likewise.
9535 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9537 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9538 float_format and thread_file definitions.
9539 * configure: Rebuilt.
9541 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9543 * extend.texi (Function Names): Document types of function names.
9545 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9547 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9548 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9550 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9552 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9554 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9556 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9558 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9560 * collect2.c (main): Do prelimnary link on AIX if rflag.
9562 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9564 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9565 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9567 (__do_global_dtors): similarly for __DTOR_LIST__.
9569 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9570 Diego Novillo <dnovillo@cygnus.com>
9572 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9575 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9577 * fixincl/*: Merged "no_bogosity" branch
9578 * fixincl/fixlib.h: protect against doubly defining t_bool
9579 * fixincl/server.h: protect against doubly defining t_bool
9581 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9583 * genoutput.c: Include toplev.h.
9585 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9587 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9589 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9590 * configure: Regenerate.
9592 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9594 * gcse.c (delete_null_pointer_checks): Returns void.
9596 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9598 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9599 * emit-rtl.c (copy_insn_1): Likewise.
9601 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9603 * config/mips/mips.c (mips_build_va_list): Correct
9604 TREE_CHAIN setting when hard-float.
9605 (mips_va_start): Use corrected setting.
9606 (mips_va_arg): Likewise. Also pass a tree to build of
9607 POSTINCREMENT_EXPR rather than a naked 'int'.
9609 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9611 * ggc.h (ggc_push_context): Fix comment.
9612 (ggc_pop_context): Likewise.
9613 (mark_string_if_gcable): Likewise.
9614 * ggc-common.c (ggc_mark_rtx_children): Use
9615 ggc_mark_string_if_gcable.
9616 * ggc-page.c (ggc_lookup_page_table): New function.
9617 (ggc_allocated_p): Likewise.
9618 (mark_obj): Fix formatting.
9619 (ggc_mark_string_if_gcable): New function.
9620 * ggc-simple.c (ggc_allocated_strings): New variable.
9621 (ggc_strings_used): Likewise.
9622 (ggc_compare_addresses): New function.
9623 (ggc_pop_context): Pop the `any' memory too.
9624 (ggc_mark_string_if_gcable): New function.
9625 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9627 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9629 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9630 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9631 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9634 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9636 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9637 (sched_reg_live_length, sched_reg_basic_block): Delete.
9638 (current_block_num, bb_live_regs, old_live_regs): Delete.
9639 (dead_notes, struct sometimes): Delete.
9640 (sched_note_set, birthing_insn_p): Delete.
9641 (adjust_priority): Gut useless reg lifetime code.
9642 (create_reg_dead_note, attach_deaths): Delete.
9643 (attach_deaths_insn, new_sometimes_live): Delete.
9644 (finish_sometimes_live): Delete.
9645 (find_pre_sched_live, find_post_sched_live): Delete.
9646 (update_reg_usage): Delete.
9647 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9648 (schedule_insns): Delete reg lifetime code.
9649 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9650 (unlink_other_notes): Adjust REG_NOTE commentary.
9651 (reemit_notes): Use REG_SAVE_NOTE.
9652 (schedule_block): Likewise.
9653 (schedule_region): Allocate bitmap of blocks in region. Use
9654 count_or_remove_death_notes. Use update_life_info.
9656 * rtl.h (REG_SAVE_NOTE): New.
9657 * rtl.c (reg_note_name): Update.
9659 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9661 * combine.c (refresh_blocks, need_refresh): New.
9662 (combine_instructions): Allocate refresh_blocks. Invoke
9663 update_life_info if needed.
9664 (distribute_notes): Mark refresh_blocks instead of installing
9666 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9667 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9669 * Makefile.in (recog.o): Depend on basic-block.h.
9671 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9673 * genrecog.c (add_to_sequence): Thinko last change: delete
9674 shadowing allow_const_int variable.
9676 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9678 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9679 __GNUC__ and __GNUC_MINOR__.
9681 * gansidecl.h: Likewise.
9687 * toplev.h: Likewise.
9693 * varray.c: Likewise.
9695 * varray.h: Likewise.
9697 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9699 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9700 use one before a jump table.
9702 * rtl.def (ADDRESS): Change documentation to match reality.
9703 * md.texi: Don't document it.
9704 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9707 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9709 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9711 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9712 known predicate block; default allow_const_int true.
9713 (debug_decision_list): New.
9715 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9717 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9719 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9721 * gcse.c (gcse_main): Avoid global optimizations if we have a
9722 large number of basic blocks and the ratio of edges to blocks
9724 (delete_null_pointer_checks): Likewise.
9726 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9728 * c-common.c (check_format_info): Warn if format string isn't a
9731 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9733 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9734 * configure: regenerate
9736 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9738 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9739 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9740 (peepholes): Re-enable.
9742 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9744 * Makefile.in (flow.o): Depend on TREE_H.
9745 * basic-block.h (REG_SET_EQUAL_P): New.
9748 (free_regset_vector): Remove declaration.
9749 (flow_delete_insn_chain): Declare.
9750 (enum update_life_extent): New.
9751 (update_life_info, count_or_remove_death_notes): Declare.
9752 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9753 Verify register live at bb->global_live_at_start before adding USE.
9754 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9755 (CLEAN_ALLOCA): New.
9757 (PROP_*): New flags.
9758 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9759 (clear_edges): Zero n_edges.
9760 (make_edge): Increment n_edges.
9761 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9762 (flow_delete_insn_chain): Export.
9763 (delete_block): Decrement n_edges.
9764 (merge_blocks_nomove): Likewise.
9765 (life_analysis): Give life_analysis_1 PROP flags.
9766 (verify_wide_reg_1, verify_wide_reg): New.
9767 (verify_local_live_at_start): New.
9768 (update_life_info): Rewrite to call into propogate_block.
9770 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9771 always mark stack pointer. Conditionally mark PIC register.
9772 After reload, mark call-saved registers, return regsiters.
9773 (life_analysis_1): Accept PROP flags not remove_dead_code.
9774 Call mark_regs_live_at_end before zeroing regs_ever_live.
9775 Use calculate_global_regs_live. Copy global_live_at_end before
9776 calling final propagate_block. Zero reg_next_use on exit.
9777 (calculate_global_regs_live): New.
9778 (allocate_bb_life_data): Don't allocate bb->local_set.
9779 (init_regset_vector, free_regset_vector): Remove.
9780 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9781 Test flags before every operation. Warn if prologue/epilogue insn
9782 would have been deleted.
9783 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9784 Use alloc_EXPR_LIST.
9785 (mark_used_regs): Accept and use FLAGS, not FINAL.
9786 Remove special handling for RETURN.
9787 (try_pre_increment): Use alloc_EXPR_LIST.
9788 (dump_flow_info): Dump n_edges.
9789 (unlink_insn_chain, split_hard_reg_notes): Remove.
9790 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9791 (find_insn_with_note, new_insn_dead_notes): Remove.
9792 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9793 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9794 (replace_insns): Remove.
9795 (count_or_remove_death_notes): New.
9796 (verify_flow_info): Abort on error after all checks.
9797 (remove_edge): Decrement n_edges.
9798 (remove_fake_edges): Tweek format.
9799 * haifa-sched.c (schedule_insns): Use split_all_insns.
9800 * output.h (update_life_info): Remove declaration.
9801 * recog.c (split_all_insns): From the corpse of split_block_insns,
9802 do the whole function block by block. Use update_life_info.
9803 (recog_last_allowed_insn): New.
9804 (recog_next_insn): Mind it.
9805 (peephole2_optimize): Set it. Walk backwards through blocks.
9806 Use update_life_info.
9807 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9808 (split_all_insns): Declare.
9809 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9810 Use split_all_insns.
9812 * i386.md (or -1 peep2s): Disable.
9814 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9816 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9817 a single pattern. Scrap the 'd' versions as unnecessary.
9819 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9820 tablejump_mips162,tablejump_internal4): The operands to a
9821 label_ref must be VOIDmode.
9823 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9825 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9827 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9829 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9831 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9833 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9834 cache every function if ggc_p.
9836 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9838 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9839 instead of copy_rtx. Accept sequences that contain asm statements.
9840 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9841 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9842 orig_asm_operands_vector, copy_asm_operands_vector,
9843 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9845 * rtl.h (copy_insn, copy_insn_1): Declare.
9847 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9849 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9851 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9852 arguments to `current_file_function_operand'.
9854 * genrecog.c: Include hard-reg-set.h and resource.h in the
9855 generated output file.
9857 * real.c: Include tm_p.h.
9859 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9861 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9864 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9866 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9867 before the fctiwz insn.
9869 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9870 Mark Mitchell <mark@codesourcery.com>
9872 * tree.c (make_lang_type_fn): New funtion pointer.
9873 (make_lang_type): Call it.
9874 * tree.h (make_lang_type): Declare.
9875 (make_lang_type_fn): Likewise.
9876 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9878 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9880 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9881 make sure that HIGH instructions are copied into BASE_REGS.
9883 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9885 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9887 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9889 * c-decl.c (finish_struct): Use simpler method of
9890 removing elements of a singly-linked list.
9892 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9894 * alpha.md (peephole2's): Comment out peephole2's that generate
9897 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9899 * genrecog.c (add_to_sequence): Disable mode check for
9902 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9904 * ggc-simple.c (init_ggc): Set empty_string.
9906 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9908 * configure.in: Detect mmap. Add --with-gc=foo to select
9909 garbage collector; default to page if mmap available.
9910 * Makefile.in (GGC): Substitute.
9912 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9914 * c-decl.c (ggc_p): Enable.
9916 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9918 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9920 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9922 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9923 string for little-endian-data.
9925 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9927 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9928 case somebody tries to compile --enable-checking code with gcc
9931 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9933 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9936 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9938 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9939 * jump.c (jump_optimize_1): Document why.
9941 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9943 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9944 pointers and casts for `int_handler' and `quit_handler'.
9946 * flow.c (verify_flow_info, split_hard_reg_notes,
9947 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9948 remove_edge, remove_fake_successors): Add static prototypes.
9949 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9950 (mark_set_1): Initialize variable `regno'.
9951 (unlink_insn_chain): Likewise for variable `curr'.
9952 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9954 * loop.c (strength_reduce): Initialize variable
9955 `unrolled_insn_copies'.
9956 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9957 prototypes. Change these functions to take const PTR parameters
9958 to avoid prototype conflict when used as the comparson argument
9960 (check_dbra_loop): Initialize variable `comparison_val'.
9962 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9963 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9964 (find_valid_class): Initialize variable `best_class'.
9965 (find_reloads): Call memcpy, not bcopy.
9967 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9968 (hard_reg_use_compare): Don't needlessly cast away const.
9969 (reload_reg_class_lower): Likewise.
9970 (choose_reload_regs): Initialize variable `regno'.
9972 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9974 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9976 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9978 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9979 ({,d}discard): Add forward declarations. Declare parameter as
9981 (main_without_main): Explicitly declare return type to be int.
9982 (memcpy): Properly declare.
9984 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9985 building the trampoline support, declare malloc, free, and
9987 (__clear_cache): Mark arguments as potentially unused.
9989 * frame.c (toplevel): If inhibit_libc is defined, declare
9992 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9994 * flow.c (make_edge): Accept an optional 2D bitmap in which
9995 to cache edge existence. Update all callers.
9996 (make_label_edge, make_eh_edge): Pass through the edge cache.
9997 (make_edges): Provide the cache.
9999 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10001 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
10003 (local_mbtowc): Change the type of variable `i' from int to size_t.
10005 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
10006 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
10008 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
10010 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
10011 after other includes that define the appropriate types. Include
10012 tm_p.h for getting user prototypes.
10013 * ggc-callbacks.c (toplevel): Ditto.
10014 * ggc-none.c (toplevel): Ditto.
10015 * gcc-page.c (toplevel): Ditto.
10016 * ggc-simple.c (toplevel): Ditto.
10018 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
10019 Jonathan Larmour <jlarmour@cygnus.co.uk>
10021 * config/mips/mips.c (mips_move_2words): Split doubles if
10022 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
10024 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
10026 * genrecog.c (struct decision_test): New.
10027 (struct decision): Remove test-related members, sort the rest by size.
10028 (IS_SPLIT): Simplify.
10029 (new_decision, new_decision_test): New.
10030 (add_to_sequence): Use them. No special handling for args of
10032 (maybe_both_true): Renamed from not_both_true; return sense changed.
10033 (maybe_both_true_1, maybe_both_true_2): New. Broken out
10034 of maybe_both_true and adjusted for decision_test.
10035 (position_merit): Remove.
10036 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
10037 (merge_accept_insn): New, broken out of merge_trees.
10038 (merge_trees): Use them. No special case for c_test; no node
10039 splitting; use test type instead of position_merit.
10040 (factor_tests): New.
10041 (simplify_tests): New.
10042 (break_out_subroutines): Don't write code now.
10043 (find_afterward): New.
10044 (write_afterward, write_switch, write_cond): New.
10045 (write_action, is_unconditional): New.
10046 (write_node): New. Use them.
10047 (write_tree_1): Rewrite. Use the new functions above.
10048 (write_tree): Remove afterward processing.
10049 (write_subroutine): Simplify function variant emission.
10050 (write_subroutines): New.
10051 (same_codes, clear_codes): Remove.
10052 (same_modes, clear_modes): Remove.
10053 (write_header): New, broken out of main.
10054 (make_insn_sequence): Use new_decision and new_decision_test.
10055 (process_tree): New, broken out of main.
10056 (main): Adjust for merge_trees interface change.
10057 Don't #define operands in the output file.
10058 (record_insn_name): New, broken out of make_insn_sequence.
10059 (debug_decision_2, debug_decision_1, debug_decision_0): New.
10060 (debug_decision): New.
10062 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
10064 * resource.c (find_free_register): Mark class_str argument const.
10065 * resource.h: Update prototype to match.
10067 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
10068 * i386.md: Give all anonymous insns names.
10070 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
10072 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
10075 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
10077 * toplev.c (dbr_sched_time): Unconditional.
10078 (peephole2_time): New.
10079 (compile_file): Add pass numbers to all of the dump file suffixes.
10080 Dump peephole2_time. Don't dump times for non-applicable passes.
10081 (rest_of_compilation): Add pass numbers to dump file suffixes.
10082 Conditionalize calls to the scheduler.
10083 * invoke.texi: Update.
10085 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
10087 * flow.c (make_edges): Fix insn iteration.
10088 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
10089 (find_basic_blocks_1): Fix spelling mistake.
10091 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
10093 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
10094 always have side-effects. Use memset not bzero.
10095 (make_node): Likewise.
10097 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
10099 * stmt.c (expand_anon_union_decl): When any of the elements of the
10100 union is addressable, so is the entire union.
10102 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
10104 * sbitmap.c (sbitmap_ones): Don't set too many bits.
10106 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
10107 * bitmap.c (bitmap_operation): Return true iff TO changed.
10108 (bitmap_equal_p): New.
10109 (bitmap_bit_p): Tidy arithmetic.
10110 (debug_bitmap_file): Likewise.
10112 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
10114 * toplev.c (rest_of_compilation): Turn on cse_not_expected
10115 before cse2 instead of after.
10117 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
10119 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
10122 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10124 * cppinit.c (is_idchar initializer): Loosen tests to accept
10127 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
10129 * mips.md: Define conditional move patterns for floating point
10130 operands and DI mode conditions.
10132 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
10134 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
10135 always have side-effects.
10137 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
10139 * mn10200.c (asm_file_start): Fix typo.
10141 * cppinit.c (is_idchar initializer): Tighten tests for when
10142 to put the table into initialized memory.
10144 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
10145 not an array of rtunion.
10146 * gcc-page.c (ggc_alloc_rtvec): Similarly.
10147 * gcc-simple (ggc_free_rtvec): Similarly.
10149 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
10152 * mbchar.h: Add missing #endif.
10154 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
10155 (FPBIT, DPBIT): Define.
10157 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10159 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
10161 * profile.c (instrument_arcs, output_gcov_string,
10162 tablejump_entry_p): Add static prototypes.
10163 (output_gcov_string): Constify a char*.
10165 * regmove.c (replacement_quality, fixup_match_2): Add static
10168 * resource.h (reg_dead_p): Add extern prototype.
10170 * rtl.c (trim_filename): Add static prototype.
10172 * scan-decls.c (skip_to_closing_brace): Likewise.
10174 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
10175 (expand_end_case): Initialize variable `range'.
10176 (emit_case_nodes): Remove unused prototype `rtx_fn'.
10178 * varasm.c (asm_emit_uninitialised): Add static prototype.
10179 (asm_emit_uninitialised, assemble_variable): Mark parameter with
10182 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10184 * cpplib.c (if_directive_nameo): Add static prototype.
10186 * cse.c (cse_insn): Remove unused variable `p'.
10188 * except.c (create_rethrow_ref, push_entry,
10189 receive_exception_label, new_eh_region_entry, find_func_region,
10190 clear_function_eh_region, process_nestinfo): Add static prototypes.
10191 (get_reg_for_handler): Hide definition.
10192 (process_nestinfo): Initialize variable `extra_handlers'.
10194 * expr.h (expand_builtin_longjmp): Add extern prototype.
10196 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
10198 * function.c (prepare_function_start): Likewise.
10199 (pop_function_context_from): Mark parameter `context' with
10201 (push_temp_slots_for_block, flush_addressof): Hide definition.
10203 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
10204 solve_program_flow_graph, calculate_branch_probs,
10205 function_summary, main, fancy_abort): Add prototypes.
10207 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
10208 (add_hash): Constify a char*.
10210 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
10211 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
10212 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
10214 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
10216 * lists.c (free_list, zap_lists): Likewise.
10218 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10220 * alias.c (nonlocal_reference_p): Add static prototype.
10222 * bitmap.c (bitmap_element_allocate): Prototype args in function
10225 * builtins.c (stabilize_va_list): Add static prototype.
10226 (expand_builtin_va_arg): Constify a char*.
10228 * c-lex.c (getch, put_back, extend_token_buffer_to,
10229 read_line_number, token_getch, token_put_back): Add static
10232 * c-parse.gperf (hash, is_reserved_word): Likewise.
10234 * cccp.c (is_dir_separator): Likewise.
10236 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10238 * graph.h: New file to prototype functions exported by graph.c.
10240 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10242 * graph.c: Include graph.h.
10244 * toplev.c: Likewise. Remove redundant prototypes.
10246 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10248 * invoke.texi: Removed duplicated description for -Q.
10250 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10252 * extend.texi: Grammar fix in __extension__ text.
10254 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10256 * md.texi (define_peephole2): New section.
10258 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10260 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10261 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10264 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10266 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10268 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10270 * i386.md (ffs expander): Emit Pentium friendly code for
10273 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10275 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10277 (build1): Likewise.
10279 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10281 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10283 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10285 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10286 register is in use.
10288 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10290 * md.texi (No Constraints): Delete section.
10291 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10292 * final.c (final_scan_insn): We always have register constraints.
10293 * genattrtab.c: Don't include "insn-config.h".
10294 (write_attr_case): We always have register constraints.
10295 * genconfig.c (register_constraint_flag): Delete.
10296 (walk_insn_part): Don't check whether we have register constraints.
10297 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10298 * genoutput.c (have_constraints): Delete.
10299 (main): Don't set it.
10300 (output_operand_data): We always have constraints.
10301 (scan_operands): Likewise.
10302 (compare_operands): Likewise.
10303 * local-alloc.c (block_alloc): We always have constraints.
10304 (requires_inout): Always compile this function.
10305 * recog.c (extract_insn): We always have constraints.
10306 (constrain_operands, reg_fits_class_p): Always compile these
10308 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10310 (struct insn_operand_data): Likewise.
10311 * regclass.c (regclass): We always have constraints.
10312 (record_reg_classes, copy_cost, record_address_regs,
10313 auto_inc_dec_reg_p): Always compile these functions.
10314 * regmove.c (regmove_optimize): We always have constraints.
10315 * reload.c (find_reloads): Likewise.
10316 * reload1.c (reload): Likewise.
10317 (reload_cse_simplify_operands): Likewise.
10318 * i860.c (output_delay_insn): Likewise.
10320 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10322 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10324 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10326 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10327 for the va_list record.
10329 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10331 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10334 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10336 * alias.c: Include insn-flags.h.
10337 * Makefile.in (alias.o): Update.
10339 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10341 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10342 to LTU and GEU. Handle more cases using sbb.
10344 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10346 * i386.md (truncatexfdf splitters): Do not use subreg.
10347 (fop XFmode patterns): Fix mode in operand testing.
10349 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10351 * jump.c (jump_optimize_1): Amend last change to test only the
10352 form of the operand, not the insn.
10354 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10355 not register_operand to determine when B may need preloading.
10357 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10359 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10360 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10361 (call-value patterns): Move to end of file.
10362 (*): Remove mode from label_ref in (pc) context.
10363 (movstrqi): Use memory not general_operand for BLKmode operands.
10364 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10365 to register_operand operands.
10366 (peep2 patterns): Convert from commented-out peephole patterns.
10368 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10370 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10371 to BUILT_IN_INIT_DWARF_REG_SIZES.
10372 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10373 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10374 expand_builtin_init_dwarf_reg_sizes.
10375 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10376 with __builtin_init_dwarf_reg_size_table.
10377 * dwarf2out.c (struct reg_size_range): Delete.
10378 (expand_builtin_init_dwarf_reg_sizes): New function.
10379 (expand_builtin_dwarf_reg_size): Delete.
10380 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10381 (expand_builtin_dwarf_reg_size): Don't declare.
10382 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10383 (dwarf_reg_size_table): New.
10384 (init_reg_size_table): New function.
10385 (copy_reg): Use dwarf_reg_size_table.
10386 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10389 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10391 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10392 Correctly build argument list to constructor and destructor functions.
10394 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10396 * c-tree.h (warn_float_equal): Declare.
10397 * c-decl.c (warn_float_equal): Define.
10398 (c_decode_option): Recognize -W[no-]float-equal.
10399 * c-typeck.c (build_binary_op): Conditionally warn
10400 about equality tests of floating point types.
10401 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10402 * invoke.texi: Add docs for -Wfloat-equal warning.
10404 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10406 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10407 generating RTL directly.
10408 * mips.h (INIT_TARGET_OPTABS): Likewise.
10409 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10411 * expr.h (init_mov_optab): Delete declaration
10413 * h8300.c (WORD_REG_USED): Update to avoid useless register
10414 saves in interrupt functions and functions which never return.
10416 * cse.c (struct set): Delete inner_dest_loc field.
10417 (cse_insn): Remove assignments to inner_dest_loc field.
10419 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10421 * ggc-page.c: Don't include <unistd.h> etc taken care of
10422 by "system.h". Include <sys/mman.h> afterward.
10424 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10426 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10429 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10431 * xcoffout.c (xcoffout_declare_function): Add documentation.
10432 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10433 TARGET_64BIT. Compare constant to -1, not bit pattern.
10434 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10435 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10438 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10440 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10441 origin_die is NULL.
10442 (gen_inlined_enumeration_type_die): Do not abort if the type has
10443 not been writeen out.
10444 (gen_inlined_structure_type_die): Do not abort if the type has
10445 not been writeen out.
10446 (gen_inlined_union_type_die): Do not abort if the type has
10447 not been writeen out.
10448 (gen_tagged_type_instantiation_die): Do not abort if the type
10449 has not been written out.
10451 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10453 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10455 * reg-stack.c (straighten_stack): Copy hard reg set with
10458 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10460 * builtins.c (stabilize_va_list): Stabilize array type va_list
10461 to a pointer type, not the base record type.
10462 (expand_builtin_va_copy): Dereference the pointers explicitly;
10463 use the correct size for the copy.
10465 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10466 (rs6000_va_arg): Likewise.
10468 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10470 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10472 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10474 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10476 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10478 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10480 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10481 (init_ggc): Use it instead of a constant.
10482 (ggc_collect): Bound allocated_last_gc by it.
10484 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10486 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10489 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10491 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10492 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10493 * configure: Regen.
10494 * config/mips/openbsd.h: New, OpenBSD little endian target.
10495 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10496 * config/mips/xm-openbsd.h: New, OpenBSD host.
10498 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10500 * config/m68k/m68k.c (output_function_prologue,
10501 output_function_epilogue): Use
10502 current_function_uses_pic_offset_table instead of regs_ever_live
10503 to decide whether to save/restore pic register.
10504 (legitimize_pic_address): Don't modify regs_ever_live any more.
10506 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10508 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10509 * stor-layout.c (variable_size): Don't add sizes to the pending
10510 sizes list if x_dont_save_pending_sizes_p is set.
10512 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10514 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10515 for symbolic_operand().
10516 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10518 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10520 * combine.c (gen_rtx_combine): Add missing call to va_end().
10522 * final.c (asm_fprintf): Likewise.
10524 * genattrtab.c (attr_rtx): Likewise.
10526 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10528 * cse.c: Update comments.
10529 (cse_insn): When converting a conditional/computed jump into
10530 an unconditional jump, always make sure a BARRIER immediately
10531 follows the converted jump. Do not delete unreachable code.
10532 (cse_basic_block): Do not delete unreachable code.
10533 * toplev.c (rest_of_compilation): Move call to
10534 delete_trivially_dead_insns after the conditional call to
10537 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10539 * collect2.c (make_temp_file): Don't prototype.
10541 * gcc.c (make_temp_file): Likewise.
10543 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10545 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10547 * varasm.c (asm_emit_uninitialised): New function: Generate
10548 the assembler statements necessary to declare an uninitialised
10550 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10552 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10553 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10555 (assemble_variable): Use asm_emit_uninitialised to emit an
10556 uninitialised variable.
10558 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10560 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10561 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10562 <geoffk@cygnus.com>.
10564 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10566 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10567 * c-common.h (builtin_function): Don't declare.
10569 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10571 (pushdecl): Likewise.
10572 (finish_decl): Likewise.
10573 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10574 int. All callers changed.
10575 Set the builtin's DECL_BUILT_IN_CLASS.
10576 * tree.h (enum built_in_class): New.
10577 (enum built_in_function): Delete NOT_BUILT_IN.
10578 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10580 (DECL_SET_FUNCTION_CODE): Likewise.
10581 (DECL_BUILT_IN_CLASS): New macro.
10582 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10583 (struct tree_decl): Split builtin function code field into a
10585 (builtin_function): Declare.
10587 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10589 * optabs.c (init_traps): Fix typo in last change.
10591 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10593 * toplev.c (rest_of_decl_compilation): Update comment.
10595 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10597 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10598 in .sbss if appropriate.
10599 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10600 (SBSS_SECTION_ASM_OP): New macro.
10601 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10602 (EXTRA_SECTIONS): Add in_sbss.
10603 * config/mips/mips.h: Prototype sbss_section.
10605 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10607 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10610 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10612 * optabs.c (init_traps): Register trap_rtx as a GC root.
10614 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10616 * config/mips/mips.c (function_arg_pass_by_reference): Define
10617 unconditionally, since it's called unconditionally.
10619 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10621 * toplev.c (documented_lang_options): Add -fshort-wchar.
10622 * c-decl.c (c_decode_option): Likewise.
10623 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10625 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10626 * gcc.c (default_compilers): If -fshort-wchar,
10627 override __WCHAR_TYPE__.
10628 * tm.texi (C Dialect Options): Add -fshort-wchar.
10630 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10631 symbol for a variable.
10633 * cpplib.h (CPP_PREPROCESSED): New macro.
10634 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10635 we're seeing this input for a second time.
10637 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10639 * emit-rtl.c (init_emit_once): Initialize modes first.
10641 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10643 * config/i386/i386.c (pic_label_name): Change to char pointer.
10644 (global_offset_table): New variable.
10645 (load_pic_register): Fill global_offset_table if it hasn't
10646 already been done. Allocate pic_label_name dynamically.
10647 * ggc.h (empty_string): New variable.
10648 * ggc-simple.c (empty_string): Likewise.
10649 (init_ggc): Allocate empty_string and add as root.
10650 * stmt.c (digit_strings): New variable.
10651 (init_stmt): Add last_block_end_note as root. Allocate and
10652 initialize digit_strings.
10653 (expand_asm_operands): Use empty_string instead of string
10654 constant. Use digit_strings instead of string constants.
10655 * profile.c (init_arc_profiler): Allocate string with
10656 ggc_alloc_string instead of xmalloc.
10657 (output_func_start_profiler): Likewise.
10658 * c-typeck.c (digest_init): Check if init is error_mark_node.
10660 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10661 Richard Henderson <rth@cygnus.com>
10663 * ggc-page.c: New file.
10664 * Makefile.in (ggc-page.o): New.
10666 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10668 * invoke.texi: Document -fdelete-null-pointer-checks
10669 * toplev.c (flag_delete_null_pointer_checks): New.
10670 (f_options): Add entry for -fdelete-null-pointer-checks.
10671 (rest_of_compilation): Conditionalize null pointer check
10672 elimination on flag_delete_null_pointer_checks.
10673 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10675 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10677 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10678 copyright notice and special exception to GPL.
10680 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10682 * abi64.h (mips_function_value): Add prototype arguments.
10684 * mips-protos.h: New file with mips prototypes.
10686 * mips.c: Include "tm_p.h".
10687 (mktemp, lookup_name): Add prototype arguments.
10688 (extern_list, string_constant, mips_fill_delay_slot,
10689 mips_output_external, mips_output_external_libcall,
10690 mips_output_filename, mips_declare_object, function_prologue,
10691 mips_expand_prologue, function_epilogue, mips16_constant,
10692 build_mips16_function_stub, mips_output_conditional_branch):
10694 (mips_va_start): Remove unused variable `u'.
10695 (mips_va_arg): Cast value to unsigned when comparing against one.
10697 (save_restore_insns, mips_expand_prologue): Add missing arg in
10698 call to `large_int'.
10700 * mips.h: Move prototypes to mips-protos.h.
10701 (data_section, memory_address_p, rdata_section,
10702 readonly_data_section, simple_epilogue_p, text_section): Delete
10703 prototypes delcared elsewhere.
10704 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10706 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10708 * mips.md: Delete extra args in call to `mips_move_2words'.
10710 * xm-iris6.h (alloca): Add prototype argument.
10712 * genpeep.c: Include "tm_p.h" in generated output file.
10714 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10716 * basic-block.h (find_edge_index): Change parameters.
10717 * flow.c (verify_edge_list): Pass basic_block parameters to
10718 find_edge_index instead of integers.
10720 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10722 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10725 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10727 * gcc.1: Fix a formatting error.
10729 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10731 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10732 i786, mn10200, mn10300, pdp11, v850.
10734 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10736 * libgcc2.c (num_digits): Add prototype with
10737 __attribute__((const)).
10738 (__terminate): Add prototype.
10740 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10742 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10744 * alpha/alpha.c (print_operand): Fix type of `code'.
10745 (alpha_output_filename): Constify.
10746 * alpha/alpha.h: Move all function declarations ...
10747 * alpha/alpha-protos.h: ... here. New file.
10748 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10749 (SECTION_FUNCTION_TEMPLATE): Likewise.
10751 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10753 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10754 * expr.c (expand_expr): Likewise.
10755 (do_jump): Likewise.
10756 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10757 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10759 (enum can_compare_purpose): New.
10760 (can_compare_p): Adjust prototype.
10761 (prepare_cmp_insn, prepare_operand): Declare.
10762 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10763 * optabs.c (cmp_available_p): Deleted.
10764 (expand_abs): Pass ccp_jump to can_compare_p.
10765 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10766 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10767 Call can_compare_p rather than cmp_available_p.
10768 (prepare_operand): No longer static.
10769 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10770 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10771 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10772 sequence to use emit_cmp_and_jump_insns.
10773 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10775 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10777 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10778 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10779 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10780 (plus (reg) (const_int 0))
10781 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10783 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10785 * rs6000.c (expand_block_move): DImode loads and stores require
10786 word-aligned displacements. Increment address registers with
10787 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10789 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10791 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10792 is no name for the base type, rather than segfault. If we are
10793 writing out a complex integer type, use DW_ATE_lo_user.
10795 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10796 in one word or less (complex char, complex short, or on 64 bit
10797 systems complex float) to/from a hard register, copy it through
10798 memory instead of dying in gen_{real,imag}part. If we have a
10799 short complex type, prevent inlining since it allocates stack
10802 * tree.c (build_complex_type): If we are writing dwarf2 output,
10803 generate a name for complex integer types.
10805 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10807 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10808 * flow.c (remove_edge): Remove extra whitespace.
10809 (remove_fake_edges): Fix comment.
10810 (add_noreturn_fake_exit_edges): Use the correct name.
10812 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10814 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10815 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10816 (clean): Depend on INTL_CLEAN.
10817 (maintainer-clean): Adjust.
10819 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10821 * configure.in (AC_PREREQ): Bump to 2.13.
10822 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10824 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10826 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10828 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10830 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10831 (HAVE_STRINGIZE): Define.
10833 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10835 * c-parse.in: save and restore warn_pointer_arith on __extension__
10836 along with pedantic.
10837 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10838 Set the type of extension to itype rather than $<itype>1 kludge.
10839 * extend.texi (Alternate Keywords): Adjust documentation.
10840 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10842 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10844 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10845 most assembler templates.
10847 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10848 FP loads and stores.
10849 (following_call): Always return zero for the PA8000.
10850 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10851 FP loads and stores.
10852 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10854 * pa.h (BRANCH_COST): Define.
10856 * pa.md (return, return_internal): Use bve for PA2.0.
10858 * pa.md (fused multiply): Add variants which reduce height for the
10859 fused multiply, but which still generate 2 insns.
10860 (fnegabs): Similarly.
10862 * pa.md (subsi3): Turn into an expander. Create two anonymous
10863 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10864 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10866 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10868 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10870 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10871 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10873 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10876 * flow.c (record_active_eh_regions): Terminate loop after finding
10877 the last insn in the last basic block.
10879 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10881 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10883 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10885 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10887 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10889 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10890 splitting to not use output template.
10892 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10894 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10895 * config/c4x/c4x.c (c4x_va_start): New function.
10897 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10899 * genrecog.c (not_both_true): Handle correctly cases when called for
10900 tests with different positions in the insn.
10902 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10904 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10906 * system.h (HOST_PTR_PRINTF): ... to here.
10908 * mips-tfile.c: Don't include machmode.h.
10910 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10911 (mips-tfile.o): Don't depend on machmode.h.
10913 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10915 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10916 avoid conflicts with typedef struct `region' at the top level scope.
10918 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10920 * basic-block.h (basic_block): Add eh_beg, eh_end.
10921 * flow.c (entry_exit_blocks): Update.
10922 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10923 Call new functions.
10924 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10925 lists.c functions to allocate insn lists.
10926 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10928 (make_eh_edge): ... here. New.
10929 (move_stray_eh_region_notes): New.
10930 (record_active_eh_regions): New.
10931 (delete_unreachable_blocks): Split out block merging ...
10932 (try_merge_blocks): ... here. New.
10933 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10934 Dump debugging data.
10935 (merge_blocks_move_successor_nojumps): Likewise.
10936 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10938 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10940 * extend.texi (Bound member functions): Document unbound pmf
10943 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10945 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10946 has the EXIT_BLOCK as a dest.
10948 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10950 * flow.c (remove_edge): New function to remove an edge from the
10952 (remove_fake_successors): New function to remove fake successor edges.
10953 (remove_fake_edges): New function to remove all fake edges from the
10955 (add_fake_exit_edges): New function to add fake edges from all blocks
10956 with no successors to the exit block.
10957 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10958 prototypes for new functions.
10960 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10962 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10963 Use Pmode to determine whether to output .dword or .word.
10965 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10967 * tree.c (built_in_filename): New variable.
10968 (BUILT_IN_FILENAME): New macro.
10969 (init_tree_codes): Allocate built_in_filename.
10970 (make_node): Use built_in_filename instead of string constant.
10972 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10974 * configure.in: Add fr30 target.
10975 * configure: Regenerate.
10976 * config/fr30: New directory.
10977 * config/fr30/crti.asm: New file.
10978 * config/fr30/fr30.c: New file.
10979 * config/fr30/crtn.asm: New file.
10980 * config/fr30/fr30.h: New file.
10981 * config/fr30/fr30.md: New file.
10982 * config/fr30/lib1funcs.asm: New file.
10983 * config/fr30/t-fr30: New file.
10984 * config/fr30/xm-fr30.h: New file.
10986 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10988 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10989 BARRIER at the end of the successor, not the BARRIER before
10992 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10994 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10996 * stmt.c (any_pending_cleanups): Don't crash when
10997 current_function->stmt is unset.
10999 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11001 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
11002 other initializations that may use it for relative offsets.
11004 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11006 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
11007 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
11008 * config/i386/sol2dbg.h: Removed.
11009 * config/i386/sol2gas.h: New file, to enable gas work-around.
11010 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
11011 Don't use sol2dbg.h.
11012 * configure: Rebuilt.
11014 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
11016 * invoke.texi (-fthis-is-variable): Remove documentation.
11018 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
11020 * basic-block.h (compute_bb_for_insn): Declare.
11021 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
11022 to use; set size of basic_block_for_insn directly.
11023 (find_basic_blocks): Update.
11025 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11027 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
11029 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11031 * crtstuff.c (ON_EXIT): Delete empty macro definition.
11032 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
11034 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
11036 * c-decl.c (c_decode_option): Extend comment.
11038 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
11040 * toplev.c (progname): Make 'const char *'
11041 (flag_print_mem): Move out of main.
11042 (version_flag): Move out of main.
11043 (filename): Move out of main.
11044 (debug_args): Remove g prefix from options.
11045 (documented_lang_options): Remove cpplib specific options.
11046 (display_help): Add g prefix to debug options.
11047 (check_lang_option): Delete this function.
11048 (decode_d_option): New function: Decode -d... option.
11049 (decode_f_option): New function: Decode -f... option.
11050 (decode_W_option): New function: Decode -W... option.
11051 (decode_g_option): New function: Decode -g... option.
11052 (independent_decode_option): New function: Decode a language
11053 independent command line option.
11054 (main): Invoke lang_decode_option and then
11055 independent_decode_option on each command line option in
11058 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
11060 Revert this change. Gavin's patch to operand_equal_p is a better fix.
11061 * fold-const.c (fold_range_test): Do not try to fold the range
11062 test if the rhs or lhs has side effects.
11064 * basic-block.h (compute_flow_dominators): Declare.
11066 * gcse.c (alloc_code_hoist_mem): New function.
11067 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
11068 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
11069 (hoist_code, one_code_hoisting_pass): Likewise.
11070 (gcse_main): If optimizing for size, then hoist expressions
11071 computed in multiple dominated basic blocks.
11073 * gcse.c (invalid_nonnull_info): New function.
11074 (delete_null_pointer_checks): Likewise.
11075 * rtl.h (delete_null_pointer_checks): Declare.
11076 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
11078 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
11079 (merge-blocks_move_successor_nojumps): Likewise.
11080 (merge_blocks): Allow merging of some blocks, even if it requires
11081 physical movement of the blocks, but not if it requires new jumps.
11083 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
11084 Callers and prototype changed.
11085 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
11087 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11089 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
11090 -YP when both -p and -pg are present. From i386/sol2.h.
11092 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11094 * Makefile.in (distclean): Delete tm_p.h.
11095 * configure.in: Create a new file, "tm_p.h", from a list in
11096 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
11097 "i386/i386-protos.h".
11099 * alias.c: Include "tm_p.h".
11100 * c-typeck.c: Likewise.
11101 * calls.c: Likewise.
11103 * emit-rtl.c: Likewise.
11104 * explow.c: Likewise.
11105 * expmed.c: Likewise.
11106 * expr.c: Likewise.
11107 * final.c: Likewise.
11108 * flow.c: Likewise.
11109 * fold-const.c: Likewise.
11110 * function.c: Likewise.
11111 * gcse.c: Likewise.
11112 * global.c: Likewise.
11113 * haifa-sched.c: Likewise.
11114 * integrate.c: Likewise.
11115 * jump.c: Likewise.
11116 * local-alloc.c: Likewise.
11117 * loop.c: Likewise.
11118 * optabs.c: Likewise.
11119 * recog.c: Likewise.
11120 * reg-stack.c: Likewise.
11121 * regclass.c: Likewise.
11122 * regmove.c: Likewise.
11123 * reload.c: Likewise.
11124 * reload1.c: Likewise.
11125 * reorg.c: Likewise.
11126 * resource.c: Likewise.
11127 * stmt.c: Likewise.
11128 * stor-layout.c: Likewise.
11129 * toplev.c: Likewise.
11130 * tree.c: Likewise.
11131 * unroll.c: Likewise.
11132 * genattrtab.c (main): Make generated file include "tm_p.h".
11133 * genemit.c (main): Likewise.
11134 * genoutput.c (main): Likewise.
11135 * genrecog.c (main): Likewise.
11137 * i386.h: Delete all prototypes.
11138 * i386.c: Include "tm_p.h".
11139 (ix86_attr_length_default): Call constant_call_address_operand
11140 with correct number of arguments.
11141 * i386-protos.h: New file.
11142 * i386.md (unnamed patterns): Call constant_call_address_operand
11143 with correct number of arguments.
11144 (exception_receiver): Call load_pic_register with correct number
11147 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
11149 * c-pragma.c (mark_align_stack): Dereference the void* properly.
11151 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
11153 * rtl.h (insns_safe_to_move_p): New function.
11154 * loop.c (find_and_verify_loops): Use it.
11155 * rtlanal.c (insns_safe_to_move_p): Define it.
11157 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
11159 * c-pragma.c: Include ggc.h.
11160 * Makefile.in (c-pragma.o): Update.
11162 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11164 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
11165 (LIB_SPEC): Likewise.
11166 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
11167 Reindent -YP/-p/-pg.
11168 Copied from config/sparc/sol2.h.
11170 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
11172 * c-pragma.c (mark_align_stack): New.
11173 (init_pragma): New.
11174 * c-pragma.h (init_pragma): Declare it.
11175 * c-lex.c (init_parse): Call it.
11177 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11179 * configure.in: Pick up thread library on Solaris/x86 just
11180 like on Solaris/sparc.
11181 * configure: Rebuilt.
11183 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
11185 * rtl.h (global_rtx_index): New enum.
11186 (global_rtl): Change to array of rtx.
11187 (pc_rtx, cc0_rtx): Redefine accordingly.
11188 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
11189 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
11190 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
11191 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
11192 (const_int_rtx): Change to array of rtx.
11193 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
11195 * emit-rtl.c (global_rtl): Change to array of rtx.
11196 (const_int_rtx): Change to aray of rtx.
11197 (gen_rtx_CONST_INT): Redefine accordingly.
11198 (init_emit_once): Allocate and initialize global_rtl. Likewise
11199 for const_int_rtx. Add both as GC roots.
11200 * genattrtab.c (global_rtl): Update declaration.
11202 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
11204 * Makefile (USER_H): Add iso646.h back.
11206 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
11208 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
11209 zapping the LOG_LINKS of sched_before_next_call.
11211 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
11212 * pa.c (insn_refs_are_delayed): Renamed from
11213 insn_sets_and_refs_are_delayed.
11215 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
11217 * functiion.h (struct function): Add x_whole_function_mode_p.
11218 (retrofit_block): Declare.
11219 * function.c (retrofit_block): New function.
11220 (identify_blocks): Add assertions. Allow an incomplete set of
11221 block notes if we're still generating code for the function.
11222 * integrate.c: Include loop.h.
11223 (expand_inline_function): Call find_loop_tree_blocks to map block
11224 notes to blocks when in whole-function mode. Use retrofit_block
11225 to insert new BLOCKs for the inlined function, rather than
11227 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
11228 * Makefile.in (integrate.o): Depend on loop.h.
11230 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
11232 * tree.h (warn_about_unused_variables): Declare.
11233 * stmt.c (warn_about_unused_variables): New function, split out
11235 (expand_end_bindings): Here.
11237 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
11239 * stmt.c (preserve_subexpressions_p): Don't crash when
11240 current_function->stmt is unset.
11242 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11244 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11245 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11246 (expand_start_target_temps): Use it.
11247 * except.c (expand_eh_region_start_for_decl): Likewise.
11248 * expr.c (expand_expr): Likewise.
11250 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11252 * fold-const.c (operand_equal_p): Pay attention to side effects.
11254 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11256 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11257 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11259 * tlink.c (scan_linker_output): Look for keywords before accepting
11260 a mangled name in quotes.
11262 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11264 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11265 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11267 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11269 * alpha.md: Revert Thu Nov 26 change that came in through the
11270 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11271 Avoid earlyclobber when possible.
11273 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11275 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11277 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11278 Define HAVE_ON_EXIT.
11280 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11282 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11283 CTYPE_CONV in all ctype macros.
11285 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11288 * cexp.y (initialize_random_junk): Likewise.
11290 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11292 * i370.c (handle_pragma): Likewise.
11294 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11296 * v850.c (override_options): Likewise.
11298 * doprint.c (_doprnt): Likewise.
11300 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11303 * fixinc/server.c (load_data): Likewise.
11305 * fold-const.c (real_hex_to_f): Likewise.
11307 * genattr.c (write_upcase, gen_attr): Likewise.
11309 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11310 write_upcase): Likewise.
11312 * genemit.c (print_code): Likewise.
11314 * genopinit.c (gen_insn): Likewise.
11316 * genpeep.c (print_code): Likewise.
11318 * genrecog.c (print_code): Likewise.
11320 * optabs.c (init_libfuncs): Likewise.
11322 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11324 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11326 (reemit_notes): Likewise.
11328 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11330 * ggc.h (ggc_root): Move to ggc-common.c.
11332 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11333 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11334 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11335 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11336 * ggc-common.c (ggc_root): Move from ggc.h.
11337 (roots): Declare, static.
11338 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11339 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11340 null or check/set mark bit.
11341 (ggc_mark_roots): New.
11342 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11344 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11346 * m32r.c: Include toplev.h.
11347 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11348 (gen_compare): Rename swap_p to must_swap to match uses.
11349 Add default abort case.
11350 (m32r_output_function_epilogue): Remove unused variables.
11351 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11352 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11353 define to empty parameter list. Update all uses.
11354 (predicate decls): Use enum machine_mode not int.
11355 * m32r.md (movsi): Call abort, not fatal_insn.
11356 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11358 1999-09-14 Andrew Haley <aph@cygnus.com>
11360 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11361 use $0 instead of 0.
11363 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11365 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11366 computation out of loop over hard regs.
11368 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11370 * function.c (identify_blocks): Don't shadow a variable in an
11372 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11373 pushdecl, or poplevel to build up the new BLOCK tree.
11374 (expand_inline_function): Likewise.
11375 (integrate_parm_decls): Likewise.
11377 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11379 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11381 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11383 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11384 * invoke.texi: Document this change.
11386 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11388 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11390 (mark_emit_status): Renamed from mark_emit_state.
11391 * except.c (mark_eh_status): Renamed from mark_eh_state.
11392 Check not null before marking.
11393 (free_eh_status): New.
11394 * expr.c (mark_expr_status, free_expr_status): New.
11395 * function.c (free_machine_status): New.
11396 (free_after_parsing): New.
11397 (free_after_compilation): Move bits to free_after_parsing; call
11398 free_eh_status, free_expr_status; zero the marked members of the
11400 (prepare_function_start): No can_garbage_collect.
11401 Call init_eh_for_function.
11402 (expand_dummy_function_end): Free up current_function state.
11403 (mark_function_status): Renamed from mark_function_state.
11404 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11405 * function.h (struct function): No can_garbage_collect.
11406 (free_machine_status, free_after_parsing): Declare.
11407 (free_eh_status, free_expr_status): Declare.
11408 * ggc.h (mark_expr_status): Declare.
11409 * stmt.c (free_stmt_status): Free the struct.
11410 (mark_stmt_status): Renamed from mark_stmt_state.
11411 (init_stmt): Don't call init_eh.
11412 (init_stmt_for_function): Don't call init_eh_for_function.
11413 * toplev.c (compile_file): Call init_eh.
11414 (rest_of_compilation): Free basic block info before ggc_collect.
11415 Call free_after_parsing; conditionally call free_after_compilation.
11416 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11417 Check not null before marking.
11418 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11420 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11422 * c-lex.c (yylex): Initialize warn.
11424 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11426 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11427 register when performing secondary reloads for the SAR register.
11429 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11431 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11432 (NOTE_BLOCK): New macro.
11433 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11434 * function.h (identify_blocks): Change prototype.
11435 * function.c (identify_blocks): Simplify.
11436 (reorder_blocks): Likewise.
11437 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11438 NOTE_INSN_BLOCK_{BEG,END}.
11439 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11440 the list of saved notes if the note isn't a
11441 NOTE_INSN_BLOCK_{BEG,END}.
11442 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11444 (reemit_notes): Adjust recreation of notes to reflect new saved
11446 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11447 printing a block note.
11448 * stmt.c (block_vector): Remove.
11449 (find_loop_tree_blocks): Simplify.
11450 (unroll_block_trees): Likewise.
11451 * tree.h (reorder_block): Change prototype.
11453 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11455 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11456 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11457 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11458 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11459 (atexit, exit): Simplify.
11460 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11461 * config/lots: Remove defns of HAVE_ATEXIT.
11463 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11465 * calls.c (precompute_arguments): Fix typo in comment.
11466 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11469 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11471 * dsp16xx.c (override_options): Fix typos in GC root registration.
11473 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11475 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11476 from config/svr4.h.
11477 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11478 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11479 (CC1_SPEC): Likewise.
11481 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11483 * genattr.c (main): Add extern prototype. Call return, not exit.
11484 * genattrtab.c (main): Likewise.
11485 * gencheck.c (main): Likewise.
11486 * gencodes.c (main): Likewise.
11487 * genconfig.c (main): Likewise.
11488 * genemit.c (main): Likewise.
11489 * genextract.c (main): Likewise.
11490 * genflags.c (main): Likewise.
11491 * gengenrtl.c (main): Likewise.
11492 * genopinit.c (main): Likewise.
11493 * genoutput.c (main): Likewise.
11494 * genpeep.c (main): Likewise.
11495 * genrecog.c (main): Likewise.
11497 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11498 * genattrtab.c (get_insn_name): Likewise.
11499 * gencodes.c (get_insn_name): Likewise.
11500 * genconfig.c (get_insn_name): Likewise.
11501 * genemit.c (get_insn_name): Likewise.
11502 * genextract.c (get_insn_name): Likewise.
11503 * genflags.c (get_insn_name): Likewise.
11504 * genopinit.c (get_insn_name): Likewise.
11505 * genpeep.c (get_insn_name): Likewise.
11507 * gencheck.c (usage): Add static prototype.
11508 * genextract.c (print_path): Constify a char*.
11509 * genopinit.c (optabs): Likewise.
11510 * genoutput.c (operand_data, data, output_predicate_decls,
11511 compare_operands): Likewise.
11512 * genrecog.c (write_tree): Add default case in switch.
11514 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11516 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11518 * print-rtl.c (get_insn_name): Remove prototype.
11520 * toplev.h (progname): Declare const.
11522 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11523 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11524 dump_sched_info, dump_local_alloc, regset_release_memory,
11525 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11526 error_with_file_and_line, error_with_decl, error_for_asm, error,
11527 fatal, warning_with_file_and_line, warning_with_decl, warning,
11528 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11529 Remove redundant prototypes.
11531 (notice, check_lang_option, report_file_and_line, vnotice,
11532 mark_file_stack): Add static prototype.
11533 (set_fatal_function): Add prototype.
11534 (vnotice, report_file_and_line, set_fatal_function,
11535 check_lang_option): Constify a char*.
11536 (main): Prototype. Call return, not exit.
11538 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11540 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11542 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11544 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11546 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11548 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11550 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11551 behave as if it's zero in all cases.
11552 (expand_function_start): Adjust call to assign_parms.
11553 * tree.h (assign_parms): Adjust prototype.
11554 * objc/objc-act.c (hack_method_prototype): Adjust call to
11557 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11559 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11560 arg_pointer_rtx fixed if the argument pointer register is
11562 (NONZERO_BASE_PLUS_P): Likewise.
11564 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11566 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11567 match_insn2 to match_insn.
11568 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11570 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11572 * Makefile.in (USER_H): Remove va-foo.h.
11574 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11575 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11576 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11577 va-spur.h,va-v850.h}: Remove.
11579 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11581 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11582 (in_return_delay): Use it instead of match_insn.
11584 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11586 * config/alpha/va_list.h (va-alpha.h): Do not include.
11587 (__gnuc_va_list): Typedef as in varargs.h.
11589 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11591 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11592 DECL_LIVE_RANGE_RTL.
11594 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11596 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11597 not NOTE_BLOCK_NUMBER.
11598 (expand_eh_region_end): Likewise.
11599 (find_exception_handler_labels): Likewise.
11600 (scan_region): Likewise.
11601 (exception_optimize): Likewise.
11602 (update_rethrow_references): Likewise.
11603 (set_insn_eh_region): Likewise.
11604 * final.c (final_scan_insn): Likewise.
11605 * flow.c (make_edges): Likewise.
11606 * integrate.c (expand_inline_function): Likewise.
11607 * print-rtl.c (print_rtx): Likewise.
11609 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11611 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11612 terms of builtin functions and types.
11614 * mips.c (mips_build_va_list): New.
11615 (mips_va_start, mips_va_arg): New.
11616 * mips.h (BUILD_VA_LIST_TYPE): New.
11617 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11619 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11620 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11621 * sh.h (BUILD_VA_LIST_TYPE): New.
11622 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11624 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11626 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11627 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11628 (struct insn_data): Likewise with n_operands, n_dups,
11629 n_alternatives, output_format.
11630 * regclass.c (scan_one_insn): Cast n_operands to int before
11631 arithmetic inside comparison.
11633 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11635 * toplev.c (compile_function): Unconditionally emit nop.
11637 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11639 * haifa-sched.c (actual_hazard): Move declaration of variable
11640 `this_cost' into the scope where it is used.
11642 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11644 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11645 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11646 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11648 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11650 * jump.c (find_insert_position): Don't declare or define unless
11651 !HAVE_conditional_arithmetic.
11652 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11654 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11656 * recog.c (offsettable_address_p): Prototype function pointer.
11657 (preprocess_constraints): Call memset, not bzero.
11659 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11660 (gcc_obstack_init): Don't declare.
11661 (fix_sizetype): Add static prototype.
11662 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11663 (tree_cons): Call memset, not bzero.
11665 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11666 definition in macro ASM_WEAKEN_LABEL.
11667 (mark_const_hash_entry): Add static prototype.
11669 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11671 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11673 * unroll.c (find_common_reg_term, subtract_reg_term,
11674 loop_find_equiv_value): Add static prototypes.
11675 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11676 (copy_loop_body): Remove unreachable break statement.
11678 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11680 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11682 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11684 Undo some changes from the gcc2 merge:
11685 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11686 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11690 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11691 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11692 initialized float-int union if the value is a NaN.
11694 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11696 * gthr-win32.h: New file.
11698 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11699 shared as a valid attribute.
11700 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11701 * extend.texi: Document `shared' variable attribute.
11703 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11705 * configure.in: Handle --enable-threads on FreeBSD.
11706 * configure: Rebuit.
11708 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11710 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11712 * configure: Rebuilt.
11714 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11715 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11716 Rosimildo DaSilva <rdasilva@connecttel.com>
11718 * configure.in (m68k-*-rtemscoff*): Added.
11719 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11720 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11721 sparc-rtems configuration.
11722 * configure.in (sparc-*-rtemself*): Added.
11723 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11724 * config/i386/rtems.h: Added comment.
11725 * config/sparc/rtemself.h: New file.
11727 * configure.in (m68k-rtemself): Added.
11728 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11729 and DWARF_DEBUGGING_INFO.
11730 * config/m68k/crti.s: New file.
11731 * config/m68k/crtn.s: New file.
11732 * config/m68k/t-crtstuff: New file.
11733 * config/m68k/rtemself.h: New file.
11735 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11736 global ctor/dtor and C++ exception handling.
11737 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11738 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11740 * config/i386/t-rtems-i386: New File.
11742 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11744 * stmt.c (expand_end_case): Return right away if the case stack is
11747 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11749 * Makefile.in (version.c): Remove rule incorrectly brought in from
11752 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11754 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11755 * msdos/top.sed: Take into account a prepended $(SHELL) to
11757 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11759 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11761 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11763 * regmove.c (fixup_match_1): Don't change an unchanging register.
11764 (stable_but_for_p): Renamed to:
11765 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11766 Changed all callers.
11768 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11770 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11771 insn from BL2 is after the insn from BL.
11773 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11775 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11776 (struct insn_data): Merge `template' and `outfun' into `output'.
11777 Add `output_format'.
11778 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11779 (struct data): Remove `outfun'; add `output_format'.
11780 (name_for_index): Remove declaration.
11781 (output_insn_data): Handle output formats.
11782 (process_template): Emit the bare array for @.
11783 (gen_expand, gen_split): Set output_format to NONE.
11784 * output.h (get_insn_template): Declare.
11785 * final.c (get_insn_template): New.
11786 (final_scan_insn): Use it.
11787 * toplev.c (compile_file): Likewise.
11789 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11790 * i860/i860.c (output_delayed_branch): Likewise.
11791 (output_delay_insn): Likewise.
11793 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11795 * rtl.c (obstack_alloc_rtx): Removed.
11797 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11799 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11801 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11803 * i386.c (call_insn_operand): Reject const_int.
11804 (expander_call_insn_operand): Use call_insn_operand.
11806 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11808 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11810 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11812 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11813 Use DImode operation.
11815 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11817 * gcc.c: Include sys/resource.h.
11818 (report_times): New flag.
11819 (execute): If report_times is set, calculate and report the
11820 CPU time consumed by each subprocess.
11822 (rus, prus): New globals.
11823 (option_map): Add --time.
11824 (display_help): Document -time.
11825 (process_command): Set report_times if -time is given.
11826 Turn off -pipe if -time is given.
11828 * invoke.texi: Document new option -time.
11830 * configure.in: Check for getrusage. Check if we have to
11831 prototype getrusage.
11832 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11833 * configure: Regenerate.
11834 * config.in: Regenerate.
11836 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11838 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11841 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11843 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11844 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11845 (nan): Return _thenan_sf or _thenan_df as appropriate.
11846 (L_thenan_sf): Define _thenan_sf.
11847 (L_thenan_df): Define _thenan_df.
11849 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11850 (DPBIT_FUNCS): Add _thenan_df.
11852 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11854 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11857 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11859 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11862 (lang_specific_driver): Don't take a function pointer parameter.
11863 All callers changed.
11865 * gcc.c: Include gcc.h.
11866 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11867 lang_specific_extra_outfiles, fatal): Don't declare.
11868 (multilib_defaults_raw): Constify.
11869 (read_specs): Call memset, rather than bzero.
11870 (main): Call return, not exit.
11871 (lookup_compiler): Call memcpy, not bcopy.
11872 (fatal): Make extern.
11874 * cppspec.c: Include gcc.h.
11875 (lang_specific_driver): Initialize variable `quote'. Constify a
11876 char*. All calls to the function pointer parameter now
11877 explicitly call `fatal'.
11879 * gccspec.c (lang_specific_driver): Include gcc.h.
11881 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11883 * arm.c (note_invalid_constants): Use recog_data.operand_type
11886 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11888 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11891 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11892 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11893 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11894 reload_secondary_in_reload, reload_secondary_out_reload,
11895 reload_secondary_in_icode, reload_secondary_out_icode,
11896 reload_reg_rtx, reload_when_needed): Delete declarations.
11897 (struct reload): New structure.
11898 (rld): Declare new array.
11899 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11900 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11901 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11902 reload_secondary_in_reload, reload_secondary_out_reload,
11903 reload_secondary_in_icode, reload_secondary_out_icode,
11904 reload_reg_rtx, reload_when_needed): Delete definitions.
11906 (whole file): Replace uses of the deleted arrays with uses of rld.
11907 * reload1.c (whole file): Replace uses of the deleted arrays with
11909 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11910 explicit loops, not with bcopy.
11912 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11914 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11915 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11916 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11917 insn_name): Delete and consolidate into new structures.
11918 (insn_operand_predicate_fn): New.
11919 (insn_output_fn): New.
11920 (insn_gen_fn): New.
11921 (struct insn_operand_data): New.
11922 (struct insn_data): New.
11924 (OUT_FCN): Update for insn_data change.
11925 * builtins.c (expand_builtin_strlen): Likewise.
11926 (expand_builtin_memcmp): Likewise.
11927 * combine.c (make_extraction, simplify_comparison): Likewise.
11928 * cse.c (canon_reg, cse_insn): Likewise.
11929 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11930 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11931 (emit_store_flag): Likewise.
11932 * expr.c (convert_move, emit_block_move): Likewise.
11933 (clear_storage, emit_push_insn, expand_increment): Likewise.
11934 (do_store_flag): Likewise.
11935 * expr.h (GEN_FCN): Likewise.
11936 (insn_gen_function): Die.
11937 * final.c (final_scan_insn): Update for insn_data change.
11938 (output_asm_name): Likewise.
11939 * function.c (fixup_var_refs_1): Likewise.
11940 * loop.c (check_dbra_loop): Likewise.
11941 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11942 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11943 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11944 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11945 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11946 * regmove.c (gen_add3_insn): Likewise.
11947 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11948 (find_reloads, find_reloads_address_1): Likewise.
11949 (debug_reload_to_stream): Likewise.
11950 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11951 * stmt.c (expand_end_case): Likewise.
11952 * toplev.c (compile_file): Likewise.
11954 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11955 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11957 * print-rtl.c (insn_name_ptr): Remove declaration.
11958 (get_insn_name): Declare.
11959 (print_rtx): Use it.
11960 * genoutput.c (insn_name_ptr): Remove.
11961 (next_operand_number): New.
11962 (struct operand_data): New.
11963 (null_operand, odata, odata_end): New.
11964 (struct data): Use struct operand_data.
11965 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11966 (get_insn_name): Renamed from name_for_index.
11967 (output_prologue): Define NO_MD_PROTOTYPES.
11968 (output_predicate_decls): Break out from output_epilogue.
11969 Iterate over the operands list.
11970 (output_operand_data): Break out from output_epilogue. Emit
11971 just the operands list.
11972 (output_insn_data): Break out from output_epilogue. Emit just
11974 (output_epilogue): Remove.
11975 (output_get_insn_name): New.
11976 (constraints, op_n_alternatives, predicates, address_p): Die.
11977 (modes, strict_low, seen): Die.
11978 (scan_operands): Take new param `d' instead of writing to
11979 seven global variables.
11980 (compare_operands): New.
11981 (place_operands): New.
11982 (validate_insn_alternatives): Update for struct data change.
11983 (gen_insn): Don't zero or copy 7 global arrays. Update for
11984 scan_operands; call place_operands.
11985 (gen_peephole, gen_expand, gen_split): Likewise.
11986 (main): Update for new output routines.
11988 * genattr.c (insn_name_ptr): Remove.
11989 (get_insn_name): New function.
11990 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11991 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11992 * genrecog.c: Likewise.
11994 * alpha.md (adddi3): Make `pattern' array static.
11996 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11998 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11999 c4x_cpu_version_string): Constify char *.
12000 * config/c4x/c4x.c (c4x_rpts_cycles_string,
12001 c4x_cpu_version_string): Likewise.
12003 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
12005 * tree.c (save_tree_status): Revert 10 Sep change.
12006 (restore_tree_status): Likewise. Call obstack_free with NULL
12007 before freeing the obstack proper.
12009 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
12011 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
12013 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
12014 surrounding context.
12016 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
12018 * tree.c (type_hash_canon): Put all types in the hash-table, when
12021 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
12023 * recog.h (struct recog_data, recog_data): New.
12024 (recog_foo variables): Kill.
12025 * recog.c (recog_operand, recog_operand_loc): Kill.
12026 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
12027 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
12028 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
12029 (recog_data): Define.
12030 (extract_insn): Update all recog_foo references to use recog_data.
12031 (preprocess_constraints, constrain_operands): Likewise.
12032 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
12033 * genattrtab.c (main): Likewise.
12034 * genextract.c (main): Likewise.
12035 * genoutput.c: Likewise.
12036 * genrecog.c (write_subroutine, main): Likewise.
12037 * local-alloc.c (block_alloc): Likewise.
12038 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
12039 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
12040 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
12041 * reload.c (find_reloads, find_reloads_toplev): Likewise.
12042 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
12043 (reload_cse_simplify_operands): Likewise.
12045 * arc/arc.c (arc_final_prescan_insn): Likewise.
12046 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
12047 * h8300/h8300.c (notice_update_cc): Likewise.
12048 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
12049 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12050 * mn10200/mn10200.c (notice_update_cc): Likewise.
12051 * mn10300/mn10300.c (notice_update_cc): Likewise.
12052 * romp/romp.c (update_cc): Likewise.
12053 * sparc/sparc.c (check_pic): Likewise.
12054 * v850/v850.c (notice_update_cc): Likewise.
12056 * genemit.c (main): Don't declare recog_operand.
12058 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
12060 * ggc.h (rtvec_def): Forward declare.
12061 (tree_node): Likewise.
12062 (ggc_root): Define.
12064 (ggc_set_mark_rtx): Add prototype.
12065 (ggc_set_mark_rtvec): Likewise.
12066 (ggc_set_mark_tree): Likewise.
12067 * ggc-simple.c (ggc_root): Don't define.
12068 (roots): Don't declare.
12069 (ggc_mark_rtx): Remove.
12070 (ggc_mark_rtvec): Likewise.
12071 (ggc_mark_tree): Likewise.
12072 (ggc_mark_varray): Likewise.
12073 (ggc_mark_tree_hash_table_entry): Likewise.
12074 (ggc_mark_tree_hash_table): Likewise.
12075 (ggc_set_mart_rtx): New function.
12076 (ggc_set_mark_rtvec): Likewise.
12077 (ggc_set_mark_tree): Likewise.
12078 (ggc_add_root): Remove.
12079 (ggc_add_rtx_root): Likewise.
12080 (ggc_remove_tree_root): Likewise.
12081 (ggc_add_string_root): Likewise.
12082 (ggc_add_tree_varray_root): Likewise.
12083 (ggc_add_tree_hash_table_root): Likewise.
12084 (ggc_del_root): Likewise.
12085 (ggc_mark_rtx_ptr): Likewise.
12086 (ggc_mark_tree_ptr): Likewise.
12087 (ggc_mark_string_ptr): Likewise.
12088 (ggc_mark_tree_varray_ptr): Likewise.
12089 (ggc_mark_tree_hash_table_ptr): Likewise.
12090 * ggc-common.c: New file.
12091 * Makefile.in (OBJS): Add ggc-common.o.
12092 (ggc-common.o): List dependencies.
12094 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
12096 * cppalloc.c (xstrdup): Use memcpy.
12097 * cpperror.c (cpp_print_containing_files): Don't use
12099 * cpplib.c (conditional_skip): Set temp->lineno.
12100 (do_endif): Make error message less obscure.
12101 (if_directive_name): New function.
12102 (cpp_get_token [case EOF]): Unwind the if stack and generate
12103 error messages for each unterminated conditional in this file.
12104 (parse_string): Do not behave differently if -traditional.
12106 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
12108 * builtins.c (expand_builtin_va_arg): Cope with an array-type
12109 va_list decomposing to pointer-type.
12110 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
12111 (rs6000_va_arg): Likewise.
12113 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
12115 * except.c (start_dynamic_handler): Compute size using
12116 STACK_SAVEAREA_MODE.
12118 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12120 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
12121 include directory headers. Don't define strrchr. Don't provide
12122 my_* replacement functions. Prefer PTR over `pointer_type'.
12123 Don't prototype system functions. Don't redefine getopt.
12125 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
12126 safe_read, safe_write, save_pointers, restore_pointers,
12127 is_id_char, in_system_include_dir, directory_specified_p,
12128 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
12129 find_corresponding_lparen, referenced_file_is_newer,
12130 save_def_or_dec, munge_compile_params, gen_aux_info_file,
12131 process_aux_info_file, identify_lineno, check_source,
12132 seek_to_line, forward_to_next_token_char, output_bytes,
12133 output_string, output_up_to, other_variable_style_function,
12134 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
12135 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
12136 find_static_definition, connect_defs_and_decs, add_local_decl,
12137 add_global_decls, needs_to_be_converted, visit_each_hash_node,
12138 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
12139 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
12140 scan_for_missed_items, edit_file, string_list_cons): Add static
12142 (standard_exec_prefix, target_machine, target_version,
12143 default_syscalls_dir, string_list, string_list_cons, find_file,
12144 do_cleaning): Constify a char*.
12145 (safe_read, safe_write): Use PTR, not a char*.
12146 (is_id_char): Take an int, not a char.
12147 (main): Add prototype. Call return, not exit.
12149 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
12151 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
12152 when comparing types.
12154 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
12156 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
12157 (strength_reduce): Release the varrays from the no-bivs early exit.
12159 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
12160 the loop over the registers.
12162 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
12164 (restore_tree_status): Check that instead when freeing the obstack.
12166 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
12168 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
12171 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12173 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
12174 operand size modifiers.
12176 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12178 * c-common.c (c_common_nodes_and_builtins): Don't build
12180 * c-common.h (enum c_tree_index and related accesor macros): Remove
12181 everything now declared in tree.h.
12182 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12183 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
12184 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
12185 (error_mark_node, void_type_node, char_type_node, integer_type_node,
12186 unsigned_type_node, ptr_type_node, va_list_type_node,
12187 integer_zero_node, null_pointer_node, integer_one_node): Delete.
12188 (init_decl_processing): Call build_common_tree_nodes and
12189 build_common_tree_nodes_2 instead of building their nodes here.
12190 Don't add roots for these nodes.
12191 * stor-layout.c (size_zero_node, size_one_node): Delete.
12192 (set_sizetype): Make a new node for bitsizetype each time.
12193 * tree.c (global_trees): New variable.
12194 (init_obstacks): Add a gc root for it.
12195 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12196 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
12197 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
12198 (build_common_tree_nodes): New function.
12199 (fix_sizetype): New function.
12200 (build_common_tree_nodes_2): New function.
12201 * tree.h (enum tree_index): New.
12202 (global_trees): Declare.
12203 Add accessor macros for all nodes now moved to global_trees.
12204 Delete their declarations.
12206 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
12208 * c-decl.c (finish_function): When processing a nested function,
12209 push and pop GC context around rest_of_compilation.
12211 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
12213 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
12214 Default ix86_arch to PROCESSOR_I386.
12215 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
12216 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
12217 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
12218 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
12219 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
12220 (EXTRA_SPECS): Remove deleted specs.
12222 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
12224 * function.c (assign_stack_local_1): Allocate from
12225 function->x_frame_offset, not frame_offset.
12227 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
12229 * ggc.h (lang_cleanup_tree): Remove.
12230 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
12231 * ggc-callbacks.c (lang_cleanup_tree): Remove.
12233 * c-decl.c (finish_struct): Use ggc_alloc to allocate
12234 TYPE_LANG_SPECIFIC when garbage collecting.
12235 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
12236 (lang_cleanup_tree): Remove.
12238 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12240 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12241 * crtstuff.c: Not here.
12242 * dwarf2out.c: Or here.
12243 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12246 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12248 * function.h (free_after_compilation): Remove decl parameter.
12249 (free_varasm_status0: Likewise.
12250 (free_emit_status): Likewise.
12251 (free_stmt_status): Likewise.
12252 (free_after_compilation): Likewise.
12253 (init_lang_status): New variable.
12254 (free_lang_status): Likewise.
12255 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12256 * function.c (init_lang_status): New variable.
12257 (free_lang_status): Likewise.
12258 (push_function_context_to): Don't set function::decl here.
12259 (free_after_copmilation): Make decl parameter implicit. Call
12260 free_lang_status if defined.
12261 (prepare_function_start): Call init_lang_status if defined.
12262 (init_function_start): Set function::decl here.
12263 * profile.c (output_func_start_profiler): Don't call pushdecl
12264 until we've actually started the function.
12265 * stmt.c (free_stmt_status): Make decl parameter implicit.
12266 * toplev.c (rest_of_compilation): Don't pass decl to
12267 free_after_compilation.
12268 * varasm.c (free_varasm_status): Likewise.
12270 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12272 * except.c (call_get_eh_context): Add root when allocating static
12275 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12277 * arm.c: Include "ggc.h".
12278 (arm_add_gc_roots): New function.
12279 (arm_override_options): Call it.
12280 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12282 * arm.md (define_asm_attributes): Add a pool_range attribute.
12284 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12286 * extend.texi (Volatiles): New node.
12288 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12290 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12291 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12292 (struct ggc_any): Replace `mark' with `magic_mark'.
12293 (ggc_alloc_string): Use memcpy, not bcopy.
12294 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12295 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12296 (ggc_free_any): New.
12297 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12298 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12299 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12300 Use IS_MARKED. Use ggc_free_any.
12302 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12304 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12306 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12308 * toplev.c (main): Always init_ggc.
12310 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12312 * except.c (find_all_handler_type_matches): Free the list if
12313 we found no matches.
12315 * combine.c (SUBST): Break out to a real function do_SUBST.
12316 (SUBST_INT): Likewise.
12317 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12318 (pre_insert): Free `inserted'.
12319 * loop.c (basic_induction_var): Always set `location'.
12321 * function.c (expand_function_end): Add initial_trampoline as a root.
12322 * rtl.h (init_varasm_once): Declare.
12323 * toplev.c (compile_file): Call it.
12324 * ggc-simple.c (ggc_mark_string_ptr): New.
12325 (ggc_add_string_root): New.
12326 (ggc_collect): Disable collection avoidance temporarily.
12327 * ggc.h (ggc_add_string_root): Declare.
12328 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12329 * optabs.c (init_libfuncs): Likewise.
12330 * varasm.c (named_section): Use ggc_alloc_string.
12331 (make_function_rtl): Likewise.
12332 (make_decl_rtl): Likewise.
12333 (assemble_static_space): Likewise.
12334 (assemble_trampoline_template): Likewise.
12335 (output_constant_def): Likewise.
12336 (force_const_mem): Likewise.
12337 (mark_const_hash_entry): New.
12338 (mark_pool_sym_hash_table): New.
12339 (mark_varasm_state): Use it.
12340 (init_varasm_once): New.
12342 * expr.h (init_one_libfunc): Declare.
12343 * optabs.c (init_one_libfunc): New.
12344 (init_optabs): Use it.
12345 * config/gofast.h: Likewise.
12346 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12347 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12349 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12351 * Makefile.in (cppexp.o): Depend on cpphash.h.
12352 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12354 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12355 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12356 redefining poisoned identifiers, etc.
12357 (do_undef): Don't allow poisoned identifiers to be undefined.
12358 (do_pragma): Add #pragma poison.
12359 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12361 * cccp.c: Add T_POISON node type.
12362 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12364 (do_define): Generalise to handle poisoned definitions,
12365 redefining poisoned identifiers, etc.
12366 (do_undef): Don't allow poisoned identifiers to be undefined.
12367 (do_pragma): Add #pragma poison.
12368 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12370 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12371 * c-pragma.h: Add ps_poison state. We now always have generic
12374 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12376 * ggc.h (ggc_alloc): New function.
12377 (ggc_mark): Likewise.
12378 * ggc-simple.c (ggc_any): New structure.
12379 (ggc_status): Add anys.
12380 (n_anys_collected): New variable.
12381 (ggc_alloc): Define.
12382 (ggc_mark): Likewise.
12383 (ggc_collect): Collect the anys.
12385 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12387 * c-decl.c (mark_binding_level): Make static to match prototype.
12389 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12391 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12393 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12395 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12396 will use into account. Expand the max width to 5.
12399 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12401 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12402 for the rtx length.
12404 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12406 * alpha.md (call value patterns): Remove the result predicates.
12408 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12410 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12413 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12415 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12416 changed from extern char *, to extern PTR. Also fix typo in
12417 NEED_DECLARATION_REALLOC test.
12419 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12421 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12423 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12424 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12425 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12426 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12428 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12430 * cccp.c (pcfinclude): Likewise.
12432 * global.c (allocno_compare): Likewise.
12434 * haifa-sched.c (rank_for_schedule): Likewise.
12436 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12438 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12440 * stupid.c (stupid_reg_compare): Likewise.
12442 * tree.c (_obstack_allocated_p): Likewise.
12444 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12446 1999-09-08 Bruce Korb autogen@linuxbox.com
12448 * Makefile.in: Give the hapless gperf user a hint about
12449 why "gperf -F" fails.
12451 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12453 * lists.c: Include ggc.h.
12455 (init_EXPR_INSN_LIST_cache): Install it.
12457 * ggc-simple.c (init_ggc): Absorb the old init.
12458 (ggc_push_context): Use xcalloc.
12459 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12460 (ggc_collect): Add [rvts] tags to the collection stats.
12462 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12464 * cccp.c (main): Fix handling of -include and -imacros options.
12466 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12468 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12470 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12472 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12475 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12477 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12478 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12479 and SET_DEST. Update comment.
12481 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12483 * config/c4x/c4x.c: Include ggc.h.
12484 (c4x_add_gc_roots): New function.
12485 (c4x_override_options): Call c4x_add_gc_roots.
12487 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12489 * defaults.h (TARGET_ESC): Move ...
12490 * system.h: ... here, where Linas had it in the first place. Silly me.
12492 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12494 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12495 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12496 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12497 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12498 * defaults.h (TARGET_ESC): Add default.
12500 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12502 * configure.in: add i370-*-openedition, i370-*-mvs and
12503 i370-*-linux targets
12505 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12507 * dsp16xxx.c: Include ggc.h
12508 (override_options): Mark GC roots.
12509 * mn10200.c: Include ggc.h.
12510 (asm_file_start): Mark GC roots.
12511 * tahoe.c: Include ggc.h.
12512 (extensible_operand): Mark GC roots.
12514 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12516 * README: Add section discussing status of ELF ABI.
12517 * i370.c: Fix misc spelling mistakes.
12518 (i370_label_scan): Updated notes, exception handling.
12519 (i370_function_prolog): Simplify ELF stack handling.
12520 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12521 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12522 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12523 * i370.md: (movdi): Add notes.
12524 (floatsidf2): Use stack not rtca for scratch float area.
12525 (iorsi3): Correct operand constraints.
12526 * x-oe: Restore TAROUTOPTS which are used by pax.
12528 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12530 * rs6000.c: Include ggc.h.
12531 (rs6000_add_gc_roots): New function.
12532 (override_options): Call it.
12534 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12536 * alpha.h (alpha_compare): New.
12537 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12538 * alpha.c: Likewise for the definitions.
12539 (alpha_emit_conditional_branch): Update for alpha_compare.
12540 (alpha_emit_conditional_move): Likewise.
12541 * alpha.md (cmpdf, cmpdi): Likewise.
12542 (setcc patterns): Likewise. Zero alpha_compare after use.
12543 (sne): Optimize (x != 0) into (0U < x).
12545 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12547 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12548 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12549 (INIT_EXPANDERS): Remove.
12550 * alpha.c: Include ggc.h.
12551 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12552 (alpha_init_machine_status, alpha_mark_machine_status): New.
12553 (override_options): Install them.
12554 (struct machine_function): Moved to alpha.h.
12555 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12556 (alpha_init_expanders): Remove.
12557 (alpha_return_addr): Adjust to use current_function->machine.
12558 (alpha_ra_ever_killed): Likewise.
12559 (alpha_expand_epilogue): Likewise.
12560 * alpha.md (eh_epilogue): Likewise.
12562 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12563 Melissa O'Neill <oneill@cs.sfu.ca>
12564 Geoffrey Keating <geoffk@cygnus.com>
12566 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12567 call-used registers (call-saved registers must still be contiguous
12568 and end with r31, of course).
12570 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12572 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12573 (self_promoting_type_p): Delete.
12574 (self_promoting_args_p): Move ...
12575 * c-common.c: ... here.
12576 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12577 (simple_type_promotes_to): New.
12578 * builtins.c (lang_type_promotes_to): New.
12579 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12580 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12581 * c-common.h: ... here.
12582 (self_promoting_args_p, simple_type_promotes_to): Declare.
12583 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12584 (grokdeclarator): Likewise.
12585 * tree.h (lang_type_promotes_to): Declare.
12587 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12589 Add some machine-dependent GC roots.
12590 * sparc.c: Include ggc.h.
12591 (sparc_add_gc_roots): New function.
12592 (mark_ultrasparc_pipeline_state): Likewise.
12593 (override_options): Call sparc_add_gc_roots.
12594 * pa.c: Include ggc.h.
12595 (pa_add_gc_roots): New function.
12596 (mark_deferred_plabels): Likewise.
12597 (override_options): Call pa_add_gc_roots.
12598 * mips.c: Include ggc.h.
12599 (mips_add_gc_roots): New function.
12600 (override_options): Use it.
12602 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12604 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12606 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12607 cpp_parse_expr): Add static prototypes.
12608 (parse_charconst): Don't cast away const-ness.
12609 (token): Constify a char*.
12611 * cppfiles.c (file_name_list, include_hash, find_include_file,
12612 finclude, initialize_input_buffer): Constify a char*.
12613 (file_cleanup, find_position): Add static prototypes.
12615 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12616 collect_expansion): Add static prototypes.
12617 (cpp_install, create_definition, monthnames): Constify a char*.
12619 * cpphash.h (cpp_install): Likewise.
12621 * cppinit.c (known_suffixes, default_include,
12622 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12623 (base_name, dump_special_to_buffer, initialize_dependency_output):
12624 Add static prototypes.
12626 * cpplib.c (my_strerror): Constify a char*.
12627 (null_underflow, null_cleanup, skip_comment, copy_comment,
12628 copy_rest_of_line, handle_directive, pass_thru_directive,
12629 get_directive_token, read_line_number, cpp_print_file_and_line,
12630 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12631 v_cpp_warning_with_line, detect_if_not_defined,
12632 consider_directive_while_skipping): Add static prototypes.
12633 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12634 cpp_pedwarn_with_file_and_line): Constify a char*.
12636 * cpplib.h (cpp_options, include_hash, progname, definition,
12637 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12638 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12639 find_include_file, deps_output, include_hash): Constify a char*.
12641 * cppmain.c (progname): Constify.
12642 (main): Add prototype. Use return, not exit.
12644 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12645 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12646 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12647 check_protection): Add static prototype.
12649 (progname, recognized_macrom, recognized_extern): Constify a char*.
12650 (main): Add prototype.
12652 * gen-protos.c (progname): Constify a char*.
12654 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12656 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12657 (init_emit_once): Add more GC roots.
12658 * except.c (mark_func_eh_entry): New function.
12659 (mark_eh_node): Mark false_label and rethrow_label.
12660 (init_eh): Add more GC roots.
12661 * function.c (free_after_compilation): Take decl as a paramter.
12662 Call free_stmt_status.
12663 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12665 * function.h (free_after_compilation): Change prototype.
12666 (free_varasm_status): Likewise.
12667 (free_emit_status): Likewise.
12668 (free_stmt_status): New function.
12669 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12670 Remove, replacing with ...
12671 (ggc_status): New structure.
12672 (ggc_chain): New variable.
12673 (init_gcc): Define.
12674 (ggc_push_context): New function.
12675 (ggc_pop_context): Likewise.
12676 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12677 (ggc_alloc_rtvec): Likewise.
12678 (ggc_alloc_tree): Likewise.
12679 (ggc_alloc_string): Likewise.
12680 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12681 (ggc_mark_tree): Give language-dependent code a chance to mark
12683 (ggc_mark_tree_varray): Handle empty arrays.
12684 (ggc_collect): Adjust for use of ggc_chain. Clear
12685 bytes_alloced_since_last_gc.
12686 * ggc.h (ggc_pop_context): New function.
12687 (ggc_push_context): Likewise.
12688 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12689 * stmt.c (free_stmt_status): New function.
12690 (init_stmt_for_function): Clear last_expr_value.
12691 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12692 Conditionalize call to ggc_collect.
12693 (main): Call init_ggc.
12694 * tree.c (push_obstacks): Do the push, even when GC'ing.
12695 (push_obstacks_nochange): Likewise.
12696 (pop_obstacks): Liekwise.
12697 * varasm.c (free_varasm_status): Take decl as a parameter.
12699 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12701 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12702 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12703 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12704 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12706 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12708 * pa/x-pa-mpeix: New file for the MPE port.
12710 * pa/quadlib.asm: New file for long double support.
12712 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12713 * configure: Rebuilt.
12715 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12717 * final.c (shorten_branches): Fix last change.
12719 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12721 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12723 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12725 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12728 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12730 * c-aux-info.c (concat): Don't define.
12732 * cccp.c (my_strerror): Likewise. All callers changed to use
12734 (do_include): Call xstrdup, not xmalloc/strcpy.
12735 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12736 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12738 * collect2.c (my_strsignal): Likewise. All callers changed to use
12740 (locatelib): Call xstrdup, not xmalloc/strcpy.
12742 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12744 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12746 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12748 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12750 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12752 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12754 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12756 (find_all_handler_type_matches): Likewise. Don't check return
12758 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12759 xmalloc, not malloc.
12760 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12762 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12763 (init_spec): Call xcalloc, not xmalloc/bzero.
12764 (set_spec): Call xstrdup, not save_string.
12765 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12766 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12767 (process_command): Call xstrdup, not save_string.
12768 (main): Call xcalloc, not xmalloc/bzero.
12770 * gcov.c (xmalloc): Don't define.
12771 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12772 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12773 (output_data): Call xcalloc, not xmalloc/bzero.
12775 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12777 * mips-tdump.c (xmalloc): Don't define.
12778 (print_symbol): Call xmalloc, not malloc.
12779 (read_tfile): Call xcalloc, not calloc.
12781 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12782 Don't define. All callers of xfree/my_strsignal changed to use
12783 free/strsignal instead.
12784 (allocate_cluster): Call xcalloc, not calloc.
12786 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12787 Fix memory leak, free allocated memory.
12789 * prefix.c (translate_name): Call xstrdup, not save_string.
12790 (update_path): Likewise.
12792 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12794 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12795 Don't define. Callers of xfree/savestring2 changed to use
12796 free/concat instead.
12798 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12799 (init_elim_table): Likewise.
12801 * resource.c (init_resource_info): Likewise.
12803 * stupid.c (stupid_life_analysis): Likewise.
12805 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12806 (open_dump_file): Call concat, not xmalloc/strcpy/...
12807 (clean_dump_file): Likewise.
12808 (compile_file): Call xstrdup, not xmalloc/strcpy.
12810 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12812 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12813 * v850.c (v850_va_arg): New.
12815 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12817 * haifa-sched.c: Tidy comments.
12819 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12821 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12822 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12823 $(out_object_file)): Depend on ggc.h.
12824 * c-common.c: Include "ggc.h".
12825 (combine_strings): If doing GC, use ggc_alloc_string.
12826 * c-decl.c: Include "ggc.h".
12827 (ggc_p): Define with value 0.
12828 (mark_binding_level): New function.
12829 (init_decl_processing): Add GC roots.
12830 (mark_c_function_context): New function.
12831 (lang_mark_false_label_stack): New function.
12832 (lang_mark_tree): New function.
12833 (lang_cleanup_tree): New function.
12834 * c-lang.c: Include "ggc.h".
12835 (lang_init): Call c_parse_init.
12836 * c-lex.c: Include "ggc.h".
12837 (check_linenum): If doing GC, don't copy filenames to permanent
12839 * c-parse.in: Include "ggc.h".
12840 (c_parse_init): New function.
12841 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12842 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12844 * except.c (mark_eh_state): Mark more state.
12845 * function.c (mark_function_state): Likewise.
12846 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12847 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12848 * toplev.c (mark_file_stack): New function.
12849 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12850 (main): Add root for input_file_stack.
12852 * i386.c: Include "ggc.h".
12853 (ix86_mark_machine_status): New function.
12854 (override_options): Set mark_machine_status.
12856 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12858 * tree.c (copy_node): Copy node contents also if doing GC.
12860 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12862 * collect2.c (scan_libraries): Fix double-thinko :-).
12864 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12866 * collect2.c (scan_libraries): Fix thinko.
12868 * cse.c (delete_trivially_dead_insns): Do not skip the last
12869 insn if it is a real insn.
12871 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12873 * Makefile.in (ggc-simple.o): Depend on hash.h.
12874 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12875 (ggc_mark_tree_varray): Likewise.
12876 (ggc_mark_tree_hash_table): Likewise.
12877 * ggc-simple.c: Include hash.h.
12878 (ggc_mark_tree_hash_table_ptr): New function.
12879 (ggc_mark_tree_hash_table_entry): Likewise.
12880 (ggc_mark_tree_hash_table): Likewise.
12881 (ggc_add_tree_hash_table_root): Likewise.
12882 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12883 rtx, when defining fields.
12885 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12887 * profile.c (output_func_start_profiler): Remove apparently
12888 nonsensical call to start_sequence.
12890 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12892 * clipper/clipper.c (clipper_va_start): Fix typos.
12894 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12895 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12896 (spur_va_arg): New stub.
12898 * configure.in: Comment out pyramid.
12900 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12902 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12903 don't conflict with the bits that win32, cygwin, and dgux
12906 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12907 Bernd Schmidt <bernds@cygnus.co.uk>
12909 * integrate.c (function_cannot_inline_p): Do not inline
12910 functions with forced labels.
12912 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12913 Bernd Schmidt <bernds@cygnus.co.uk>
12914 Mark Mitchell <mark@codesourcery.com>
12916 * Makefile.in (ggc-simple.o): Depend on varray.h.
12917 (rtl.o): Depend on ggc.h.
12918 (genattrtab.o): Depend on ggc.h.
12919 (print-tree.o): Likewise.
12920 (fold-const.o): Likewise.
12921 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12922 (make_insn_raw): Don't cache insns when GC'ing.
12923 (emit_insn_before): Likewise.
12924 (emit_insn_after): Likewise.
12925 (emit_insn): Likewise.
12926 (start_sequence): Use xmalloc to allocate the sequence_stack.
12927 (end_sequence): Add free to free it.
12928 (gen_sequence): Don't cache insns when GC'ing.
12929 (clear_emit_caches): Don't use sequence_element_free_list.
12930 (init_emit): Use xcalloc, not xmalloc+bzero.
12931 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12932 * function.c (pop_function_context_from): Use free to free the
12933 fixup_var_refs_queue.
12934 (put_reg_into_stack): Allocate it with xmalloc.
12935 * genattrtab.c: Include ggc.h.
12936 (operate_exp): Don't use obstack_free when GC'ing.
12937 (simplify_cond): Likewise.
12938 (simplify_text_exp): Likewise.
12939 (optimize_attrs): Likewise.
12940 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12942 (gencode): Generate a #include for ggc.h.
12943 * ggc-callbacks.c (ggc_p): Define it to zero.
12944 * ggc-none.c (ggc_p): Likewise.
12945 * ggc-simple.c: Include varray.h.
12946 (ggc_mark_tree_varray): New function.
12947 (ggc_add_tree_varray_root): Likewise.
12948 (ggc_mark_tree_varray_ptr): Likewise.
12949 * ggc.h (ggc_p): Declare.
12950 (varray_head_tag): Likewise.
12951 (ggc_add_tree_varray_root): Declare.
12952 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12953 inconsistencies when GC'ing.
12954 * rtl.c: Include ggc.h.
12955 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12956 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12957 (rtx_free): Don't call obstack_free when GC'ing.
12958 * toplev.c (rest_of_compilation): Call ggc_collect after every
12960 * tree.c (push_obstacks): Do nothing, if GC'ing.
12961 (pop_obstacks_nochange): Likewise.
12962 (pop_obstacks): Likewise.
12963 (make_node): Use ggc_alloc_tree when GC'ing.
12964 (copy_node): Likewise.
12965 (get_identifier): Use ggc_alloc_string when GC'ing.
12966 (build_string): Likewise.
12967 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12968 (tree_cons): Likewise.
12969 (build1): Likewise.
12970 (type_hash_canon): Don't call obstack_free when GC'ing.
12972 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12974 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12975 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12977 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12978 Bernd Schmidt <bernds@cygnus.co.uk>
12979 Mark Mitchell <mark@codesourcery.com>
12981 * Makefile.in (stor-layout.o): Depend on ggc.h.
12982 (expr.o): Depend on ggc.h.
12983 (profile.o): Depend on ggc.h.
12984 (stor-layout.o): Depend on ggc.h.
12985 * emit-rtl.c (init_emit_once): Add gc roots.
12986 * expr.c: Include ggc.h.
12987 (emit_block_move): Add gc roots.
12988 (clear_storage): Likewise.
12989 * expr.h (init_stor_layout_once): New function.
12990 * profile.c: Include ggc.h.
12991 (init_arc_profiler): profiler_label is a root.
12992 * scan.c (make_sstring_space): Trust xrealloc to function
12993 correctly with first parameter NULL.
12994 * stor-layout.c: Include ggc.h.
12995 (set_sizetype): Add gc root.
12996 (init_stor_layout_once): New function.
12997 * toplev.c (compile_file): Call it.
12999 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
13000 Bernd Schmidt <bernds@cygnus.co.uk>
13001 Mark Mitchell <mark@codesourcery.com>
13003 * Makefile.in (tree.o): Depend on ggc.h.
13004 (varasm.o): Likewise.
13005 (function.o): Likewise.
13006 (stmt.o): Likewise.
13007 (except.o): Likewise.
13008 (optabs.o): Likewise.
13009 (emit-rtl.o): Likewise.
13010 * emit-rtl.c: Include ggc.h.
13011 (sequence_element_free_list): Remove, and all references.
13012 (mark_sequence): New functions.
13013 (mark_emit_state): New function.
13014 * except.c: Include ggc.h.
13015 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
13016 (mark_tree_label_node): New functions.
13017 (mark_eh_state): New function.
13018 * function.c: Include ggc.h.
13019 (mark_temp_slot, mark_function_chain): New functions.
13020 (mark_function_state): New function.
13021 (init_function_once): New function.
13022 * function.h (init_function_once): New function.
13023 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
13024 * ggc.h (label_node): Declare.
13025 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
13026 (lang_mark_false_label_stack): New function.
13027 (mark_temp_slot): Remove declaration.
13028 (mark_function_chain): Likewise.
13029 (mark_eh_state): Adjust prototype.
13030 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
13032 * optabs.c: Include ggc.h.
13033 (mark_optab): New function.
13034 (init_optabs): Add gc roots.
13035 * stmt.c: Include ggc.h.
13036 (mark_cond_nesting, mark_loop_nesting): New functions.
13037 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
13038 (mark_stmt_state): New function.
13039 * toplev.c (compile_file): Call init_function_once.
13040 * tree.c: Include ggc.h.
13041 (type_hash): Move declaration earlier in file.
13042 (TYPE_HASH_SIZE, type_hash_table): Likewise.
13043 (init_obstacks): Add gc roots.
13044 (mark_type_hash): New function.
13045 * varasm.c: Include ggc.h.
13046 (mark_pool_constant): New function.
13047 (mark_varasm_state): New function.
13049 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13051 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
13053 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13055 * c-decl.c (struct language_function): Renamed from struct c_function.
13057 (c_function_chain): Delete.
13058 (push_c_function_context): New arg F. Don't warn about nested
13059 functions here. Fill LANGUAGE elt of F. Delete code to update
13060 c_function_chain. Don't call push_function_context.
13061 (pop_c_function_context): New arg F. Restore from there instead of
13062 from c_function_chain. Don't call pop_function_context. Clear out
13063 LANGUAGE field of F when done.
13064 * c-lang.c: Include "function.h"
13065 (lang_init): Initialize save_lang_status and restore_lang_status.
13066 * c-parse.in (nested_function, nested_function_notype): Warn about
13067 nested functions. Call push_function_context/pop_function_context
13068 instead of the _c_ variants.
13069 * c-tree.h (push_c_function_context, pop_c_function_context): Update
13071 * Makefile.in (c-lang.o): Update dependencies.
13073 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
13074 regno_pointer_flag, regno_pointer_align.
13075 (gen_reg_rtx): Use xrealloc to enlarge them.
13076 (free_emit_status): New function.
13077 * function.c (mark_machine_status, mark_lang_status): New variables.
13078 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
13079 in some bits from assign_stack_local. All callers changed to use new
13081 (assign_stack_local): Just call assign_stack_local_1.
13082 (free_after_compilation): New function.
13083 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
13084 (trampoline_address): Likewise.
13085 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
13086 (prepare_function_start): Explicitly clear some more variables.
13087 * function.h (struct function): New elt can_garbage_collect.
13088 (mark_machine_status, mark_lang_status): Declare variables.
13089 (free_after_compilation, free_emit_status, free_varasm_status,
13090 init_varasm_status): Declare functions.
13091 * toplev.c (rest_of_compilation): Call free_after_compilation when
13092 done with the current function.
13093 * varasm.c (free_varasm_status): New function.
13095 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
13097 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
13098 (EXPAND_BUILTIN_VA_ARG): Define.
13099 * sparc.c (sparc_va_start): New.
13100 (sparc_va_arg): New.
13102 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13104 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
13106 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13108 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
13110 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
13112 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
13113 (OBJS): Add $(GGC).
13114 (ggc-callbacks.o): New target.
13115 * ggc-callbacks.c: New file.
13117 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13119 * expr.h: Collapse individual optab and libfunc vars to arrays.
13120 (optab_index, libfunc_index): New enumerations.
13121 (optab_table, libfunc_table): New arrays.
13122 Add accessor macros for both.
13124 * optabs.c (optab_table, libfunc_table): New.
13125 Delete declarations for individual optab and libfunc vars.
13127 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
13129 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
13131 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13133 * Makefile.in (GGC, GGC_LIB): New.
13134 (HOST_RTL): Include ggc-none.o.
13135 (ggc-simple.o): New target.
13136 (ggc-none.o): Likewise.
13137 * tree.h (tree_common): Add gc_mark.
13138 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
13139 (struct rtvec_def): Add gc_mark.
13140 * emit-rtl.c (global_rtl): Update static initializers to contain
13141 enough initializers.
13142 * ggc.h, ggc-none.c, ggc-simple.c: New files.
13143 * toplev.c (gc_time): New variable.
13144 (all_time): New variable.
13145 (compile_file): Print gc time.
13146 (print_time): Calculate percentage of the whole.
13148 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13150 Change obstack memory management and varasm constant pool handling so
13151 that nested functions are treated like any other functions.
13152 * function.c (init_machine_status): New variable.
13153 (push_function_context_to): Set contains_functions for the outer
13154 function. Don't call save_varasm_status.
13155 (pop_function_context_from): Don't call restore_varasm_status. Don't
13156 set current_function_contains_functions.
13157 (prepare_function_start): Call init_varasm_status rather than
13158 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
13160 * function.h (struct function) Add field varasm. Delete fields
13161 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
13162 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
13163 (init_machine_status): Declare.
13164 (save_varasm_status, restore_varasm_status): Delete declarations.
13165 (save_tree_status, restore_tree_status): Delete last argument.
13166 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
13167 code. All callers changed.
13168 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
13169 save_constants_in_decl_trees, restore_constants, save_constants,
13170 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
13172 (inlining): New variable.
13173 (reg_map, label_map, insn_map, orig_asm_operands_vector,
13174 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
13176 (save_for_inline_nocopy): Don't save constants.
13177 Don't set inl_emit field in current_function.
13178 (expand_inline_function): Use emit field, not inl_emit, of the inlined
13179 function. Set new variable inlining before
13180 calling copy_rtx_and_substitute.
13181 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
13182 constant pool references if inlining is nonzero.
13183 Delete ADDRESS and (most of the) CONST cases.
13184 (output_inline_function): Save and restore current_function/
13185 current_function_decl. Delete restore_constants code. Don't call
13186 init_const_rtx_hash_table.
13187 * output.h (init_const_rtx_hash_table): Don't declare.
13188 * rtl.h (struct function): Declare.
13189 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
13190 * toplev.c (rest_of_compilation): Don't treat nested functions or
13191 functions containing them specially. Delete all code to deal with
13192 save_for_inline_copying.
13193 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
13194 inline_obstacks): Delete variables.
13195 (save_tree_status): Lose arg CONTEXT. All callers changed.
13196 Simply allocate a new function_maybepermanent_obstack for the new
13197 function, delete all the special cases.
13198 Don't save inline_obstacks.
13199 (restore_tree_status): Lose arg CONTEXT. All callers changed.
13200 Delete special handling for function_maybepermanent_obstack; simply
13202 Don't restore inline_obstacks.
13203 (permanent_allocation): Delete code that frees inline_obstacks.
13204 (print_inline_obstack_statistics): Delete function.
13205 (dump_tree_statistics): Don't call it.
13206 * varasm.c (struct varasm_status): New.
13207 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
13208 last_pool, pool_offset, const_double_chain): Delete global
13209 variables, replace with accessor macros.
13210 (immed_double_const): Don't walk const_double_chain outside a
13211 function, but don't treat nested functions specially anymore.
13212 (immed_real_const_1): Likewise.
13213 (clear_const_double_mem): Don't treat nested functions specially.
13214 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
13215 (save_varasm_status, restore_varasm_status): Delete functions.
13216 (init_varasm_status): New function.
13217 (force_const_mem): Don't treat nested functions specially.
13218 (find_pool_constant): Accept new arg F, search for constants in
13219 that function's pool rather than the current one. All callers
13221 (get_pool_constant_for_function, get_pool_mode_for_function): New
13224 * i386.c (init_386_machine_status): New function, mostly from
13225 clear_386_stack_locals.
13226 (struct machine_functions): Rename element names to avoid name
13228 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
13229 macros, replacing global variables.
13230 (clear_386_stack_locals, save_386_machine_status,
13231 restore_386_machine_status): Delete functions.
13232 (override_options): Initialize init_machine_status.
13233 * i386.h (INIT_EXPANDERS): Delete macro.
13234 (save_386_machine_status, restore_386_machine_status,
13235 clear_386_stack_locals): Delete declarations.
13237 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13239 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13240 (doloop_begin): Simplify pattern and use emit_jump_insn.
13241 (doloop_end): Simplify pattern, switch operand order,
13242 and use emit_jump_insn.
13244 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13246 * function.h (struct function): Add new element LANGUAGE.
13247 (save_lang_status): Declare new variable.
13248 (restore_lang_status): Likewise.
13249 * function.c (save_lang_status): Define.
13250 (restore_lang_status): Likewise.
13251 (push_function_context_to): Call language-specific save function.
13252 (pop_function_context_from): Call language-specific restore function.
13254 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13256 * i386.md (movsf_1): Check REG_P before use of REGNO.
13257 (movdf_1): Likewise.
13258 (movxf_1): Likewise.
13259 (extendsfdf2): Likewise.
13260 (extendsfxf2): Likewise.
13261 (extenddfxf2): Likewise.
13263 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13265 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13266 constants into memory.
13267 (c4x_shiftable_constant): New function.
13268 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13269 (c4x_shiftable_constant): Declare.
13270 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13271 ashlqi3_noclobber): Add new patterns and associated splitters.
13273 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13275 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13276 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13277 * final.c (shorten_branches): Likewise.
13278 * global.c (global_alloc): Likewise.
13279 * haifa-sched.c (build_control_flow): Likewise.
13280 * stmt.c (check_for_full_enumeration_handling): Likewise.
13281 (estimate_case_costs): Likewise.
13283 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13285 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13287 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13289 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13290 (recompute_reg_usage): Likewise.
13291 * rtlanal.c (find_regno_fusage): Likewise.
13293 * rtl.c (rtl_check_failed_code1): New function.
13294 (rtl_check_failed_code2): New.
13295 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13296 (RTL_CHECKC1, RTL_CHECKC2): New.
13297 (XC*): New accessor macros.
13298 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13299 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13300 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13301 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13302 (TRAP_*, RANGE_INFO_*): Likewise.
13304 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13306 * Makefile.in (tlink.o): Don't depend on toplev.h.
13308 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13309 output_file, nm_file_name, ldd_file_name, strip_file_name,
13310 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13311 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13312 fork_execute, maybe_unlink, add_to_list,
13313 extract_init_priority, write_list, dump_list,
13314 dump_prefix_list, write_list_with_asm, write_c_file,
13315 write_c_file_stat, write_c_file_glob, scan_prog_file,
13316 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13317 ignore_library, extract_string, notice, dump_file, target_machine,
13318 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13319 read_file, print_load_command): Constify a char*.
13320 (fdopen, error, fatal, fatal_perror): Don't prototype.
13321 (my_strerror): Remove. All callers use xstrerror instead.
13322 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13323 (main): Add prototype. Constify lots of char* ptrs. Change calls
13324 to xcalloc/strcpy/strcat/... to one call to concat.
13325 (main, scan_prog_file, scan_libraries): Use an intermediate
13326 `const char **' to build an argv array.
13327 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13329 * collect2.h (collect_execute, collect_wait, dump_file,
13330 file_exists): Constify a char*.
13331 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13332 temporary_firstobj, vflag, debug): Add extern declarations.
13333 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13335 * tlink.c: Don't include toplev.h.
13336 (vflag, debug, ldout, c_file_name, temporary_obstack,
13337 permanent_obstack, temporary_firstobj): Don't declare.
13338 (tlink_execute, frob_extension, symbol_hash_lookup,
13339 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13340 recompile_files, read_repo_files, demangle_new_symbols,
13341 scan_linker_output): Constify a char*.
13342 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13343 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13345 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13347 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13348 (relative) rather than jsr (absolute) subroutine call insns.
13349 * config/m68k/m68k-coff.h: Ditto.
13351 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13353 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13354 now rework these too.
13355 (arm_reorg): If an insn can't reach the end of the current pool,
13356 ensure that we emit that pool before the insn.
13358 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13360 * tlink.c (scan_linker_output): Skip the initial underscore in
13361 a mangled name if appropriate.
13363 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13365 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13366 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13367 error_with_ivar, gen_declarator, create_builtin_decl,
13368 my_build_string, generate_descriptor_table, generate_ivars_list,
13369 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13370 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13371 dump_base_name, lang_decode_option, build_encode_expr,
13372 start_class, finish_class, encode_pointer, really_start_method,
13373 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13375 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13376 Add static prototypes.
13377 (build_objc_string_decl, build_selector_reference_decl,
13378 encode_bitfield, build_class_reference_decl): Remove unused
13379 parameter, all callers changed.
13380 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13381 (objc_printable_name): Likewise. Change second parameter to type int.
13382 (init_objc): Use memcpy, not bcopy, to avoid casts.
13384 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13386 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13387 reg notes on a deleted insn.
13388 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13390 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13392 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13394 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13396 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13399 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13401 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13402 * tm.texi (MD_ASM_CLOBBERS): Document it.
13404 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13406 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13407 * except.c (expand_rethrow): Remove unused variable.
13408 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13409 * flow.c (replace_insns): Likewise.
13410 (create_edge_list, verify_edge_list): Likewise.
13411 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13413 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13414 is special code to run.
13415 (main): Don't define operands to emit_operand.
13416 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13418 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13420 * alpha/alpha.h (normal_memory_operand): Declare.
13421 (reg_no_subreg_operand): Declare.
13422 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13424 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13426 * c-parse.in (compstmt_primary_start): New, broken out of first
13427 part of compstmt handling in primary.
13428 (primary): Use it. Add an error clause.
13429 (compstmt_nostart): Renamed from compstmt; remove all
13430 initial invocations of compstmt_start.
13433 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13435 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13438 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13440 * combine.c (simplify_shift_const): Remove extra semicolon.
13441 * dwarf2out.c (remove_AT): Likewise.
13442 * expmed.c (expand_mult): Likewise.
13443 * gcov.c (create_program_flow_graph): Likewise.
13444 * reorg.c (mostly_true_jump): Likewise.
13446 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13448 * fold-const.c (fold_range_test): Do not try to fold the range
13449 test if the rhs or lhs has side effects.
13451 * combine.c (simplify_rtx): Recognize another case of a synthesized
13454 * varasm.c (mark_constant_pool): When marking indirect references,
13455 only look at SYMBOL_REFs.
13457 * except.c (expand_fixup_region_end): Do not peek at
13458 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13460 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13462 * flags.h: New variables align_loops, align_loops_log,
13463 align_jumps, align_jumps_log, align_labels, align_labels_log,
13464 align_functions, align_functions_log.
13465 * toplev.c: Define them.
13466 (f_options): Handle -falign-* when they have no argument.
13467 (main): Add logic to set variables for -falign-functions,
13468 -falign-jumps, -falign-labels, -falign-loops.
13469 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13470 (display_help): Change help to match options.
13471 * final.c (LABEL_ALIGN): Default to align_labels_log.
13472 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13473 (LOOP_ALIGN): Default to align_loops_log.
13474 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13475 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13476 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13477 * varasm.c (assemble_start_function): Handle align_functions.
13479 * config/sparc/sparc.h: Don't declare sparc_align_*.
13480 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13481 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13483 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13485 * config/sparc/sparc.c: Delete sparc_align_loops,
13486 sparc_align_jumps, sparc_align_funcs and the corresponding string
13488 (sparc_override_options): Default align_functions on ultrasparc.
13489 Delete -malign-* handling.
13491 * config/mips/mips.c (override_options): On 64-bit targets,
13492 try to align code to 64-bit boundaries.
13493 (print_operand): New substitution, %~,
13494 which aligns labels to align_labels_log.
13495 * config/mips/mips.md (div_trap_normal): Use %~.
13496 (div_trap_mips16): Likewise.
13498 (absdi2): Likewise.
13499 (ffssi2): Likewise.
13500 (ffsdi2): Likewise.
13501 (ashldi3_internal): Likewise.
13502 (ashrdi3_internal): Likewise.
13503 (lshrdi3_internal): Likewise.
13504 (casesi_internal): Likewise.
13506 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13508 Merge new ia32 backend from the branch!
13510 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13511 See ChangeLog.P2 on new_ia32_branch for details.
13513 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13514 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13515 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13516 * i386/gas.h (ASM_FILE_START): Define.
13517 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13518 for name change of ix86_valid_decl_attribute_p.
13519 (i386_pe_valid_type_attribute_p): Similarly.
13521 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13523 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13524 to step through CC modes.
13526 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13528 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13529 it would end up in the shadow of a live flags regsiter.
13531 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13533 * reload1.c: Fix many indentation problems.
13534 * reload.c: Likewise.
13536 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13538 * alias.c (non_local_reference_p): Constify fmt.
13540 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13542 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13544 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13546 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13547 the internal_arg_pointer.
13549 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13551 Merge peephole2 from new_ia32_branch:
13552 * Makefile.in (STAGESTUFF): Add *.peephole2.
13553 (mostlyclean): Likewise.
13554 (recog.o): Depend on resource.h.
13556 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13557 (final_scan_insn): Likewise for the invocation of peephole.
13558 * genconfig.c (main): Look for peephole and peephole2 patterns.
13559 Emit HAVE_peephole* accordingly.
13560 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13561 * flags.h (flag_peephole2): Declare.
13562 * toplev.c: New pass peephole2. New flag -fpeephole2.
13564 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13565 * gencodes.c (main): Likewise.
13566 * genextract.c (main): Likewise.
13567 * genoutput.c (main): Likewise.
13568 * genemit.c (max_operand_1): Look for the max scratch operand.
13569 (gen_rtx_scratch): New.
13570 (gen_exp): Use it, and pass on new arg subroutine_type.
13571 (gen_expand): Take max scratch into account.
13572 (gen_split): Emit peephole2 functions.
13573 (output_peephole2_scratch): New.
13574 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13575 * genrecog.c (routine_type): Add PEEPHOLE2.
13577 (make_insn_sequence): Match outer parallel for peep2. Discard
13578 top level scratches and dups.
13579 (add_to_sequence): New args insn_type and top. Update all callers.
13580 Handle toplevel peep2 matching insns.
13581 (write_subroutine): Handle peep2.
13582 (write_tree_1): Likewise.
13583 (write_tree): Likewise.
13585 (change_state): New arg afterward. Update all callers.
13586 Handle matching separate insns.
13587 * recog.c (recog_next_insn): New.
13588 (peephole2_optimize): New.
13589 * rtl.def (DEFINE_PEEPHOLE2): New.
13590 * resource.c (find_free_register): New argument last_insn. Use it
13591 to find a register available through the entire span.
13592 * resource.h (find_free_register): Update prototype.
13594 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13596 * i386.c (output_strlen_unroll): Don't write xops[7]
13597 label if it wasn't set.
13599 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13601 * cpplib.c (struct directive): Const-ify name pointer and
13602 function pointer prototype.
13603 (validate_else, do_define, do_line, do_include, do_undef,
13604 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13605 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13606 do_warning): Const-ify second arg.
13607 (directive_table): Mark const. Reorder entries by frequency
13608 of usage, record statistics.
13610 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13612 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13613 bounds- check RTL accesses if --enable-checking.
13614 (RTVEC_ELT): Bounds check if --enable-checking.
13615 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13616 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13617 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13619 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13620 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13622 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13623 (NOTE_SOURCE_FILE): Use X0STR.
13624 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13625 MEM_ALIAS_SET): Use X0INT.
13626 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13627 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13629 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13630 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13631 (rtl_check_failed_bounds, rtl_check_failed_type1,
13632 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13634 (fancy_abort): Fix comment.
13636 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13637 (cse_insn): Decrement LABEL_NUSES for jump target before
13638 deleting jump insn.
13639 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13640 * final.c (alter_subreg): Compute regno before changing x to
13641 REG; set REGNO(x) after changing it.
13642 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13643 notes containing CONST_INTs.
13644 (delete_eh_regions): Use NOTE_EH_HANDLER.
13645 * function.c (put_reg_into_stack): Make reg a MEM before
13647 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13649 (gen_mem_addressof): Make reg a MEM before initializing it.
13650 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13652 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13653 deleting an insn, not after.
13654 (block_alloc): Only look at PATTERN(insn) if we have to, and
13655 only if it's format class 'i'.
13656 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13657 CONST_INT before using its INTVAL.
13658 * print-rtl.c (print_rtx): Use X0STR.
13659 * regmove.c (fixup_match_1): Don't look at PATTERN of
13660 non-class-'i' insn chain elements.
13661 * reload.c (loc_mentioned_in_p): Take address of
13662 in->fld[1].rtx directly.
13663 * reload1.c (reload): Change reg to a MEM before initializing
13665 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13667 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13669 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13671 * config/mips/mips.c (machine_dependent_reorg): Force a
13672 barrier to output the local constant pool if a barrier hasn't
13673 been found at a natural point in the instruction stream.
13675 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13677 * c-parse.in (language_string): Constify.
13679 * dwarf2out.c (language_string): Remove declaration.
13681 * dwarfout.c (language_string): Likewise.
13683 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13685 * tree.h (language_string, init_parse, finish_parse): Declare.
13687 * i386/sun386.h (language_string): Remove declaration.
13689 * mips.h (language_string): Likewise.
13691 * nextstep.h (language_string): Likewise.
13693 * nextstep21.h (language_string): Likewise.
13695 * rs6000.c (language_string): Likewise.
13697 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13699 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13700 (getpwd.o): Remove target.
13702 * getpwd.c: Delete file. Its in libiberty now.
13704 * dbxout.c (getpwd): Don't prototype.
13705 * dwarf2out.c (getpwd): Likewise
13706 * dwarfout.c (getpwd): Likewise
13707 * final.c (getpwd): Likewise.
13708 * protoize.c (getpwd): Likewise.
13710 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13712 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13714 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13716 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13717 mark_set_resources.
13719 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13721 * fixinc/Makefile.in (subdir): New.
13722 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13725 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13727 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13728 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13731 * invoke.texi: Fix typo.
13733 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13734 changed. Handle autoincrement addressing modes.
13736 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13737 just like we would the virtual incoming args register when
13740 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13742 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13743 path, in .file directive.
13745 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13747 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13750 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13752 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13755 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13757 * tree.c (tree_code_name): Constify a char*.
13759 * tree.h (tree_code_name, decl_printable_name): Likewise.
13761 * function.h (struct function): Likewise.
13763 * toplev.c (decl_name, decl_printable_name): Likewise.
13765 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13767 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13768 (init_objc): Remove function pointer cast.
13770 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13772 * pa.md (interspace_jump): New pattern.
13773 (builtin_longjmp): New expander.
13775 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13777 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13778 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13779 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13781 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13783 * jump.c (delete_prior_computation): Also check calls
13784 to constant functions. Don't bother checking for a
13785 REG_UNUSED note before adding it.
13786 (delete_computation): Handle multi-word hard registers
13787 when synthesizing missing REG_DEAD notes for a register
13788 which is both set and used by an insn.
13790 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13792 * loop.c (this_loop_info): New variable.
13793 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13794 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13796 (prescan_loop, strength_reduce): New argument loop_info. All callers
13798 (scan_loop): New variable loop_info, initialise to address of
13800 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13801 Delete variable loop_has_multiple_exit targets and replace with
13802 field in this_loop_info.
13803 (find_and_verify_loops): Rename this_loop to this_loop_num.
13804 (strength_reduce): Delete loop_iteration_info. Replace variable
13805 loop_info with function argument of same name.
13806 (insert_bct): Rework test for loop being completely unrolled.
13808 * loop.h (struct loop_info): New fields num, loops_enclosed,
13809 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13810 has_indirect_jump, and cont. Redefine use of unroll_number.
13811 (loop_unroll_number): Delete.
13813 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13814 field of loop_info.
13815 (loop_iterations): Delete variable vtop and instead use
13816 loop_info->vtop computed in prescan_loop.
13818 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13820 * fix-header.c (main): Do not pass a null pointer to strcmp.
13822 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13824 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13826 * configure: Rebuilt.
13828 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13830 * jump.c (jump_optimize_1): Do not delete assignments to
13831 internal_arg_pointer.
13832 * cse.c (delete_trivially_dead_insns): Always consider a set of
13833 the internal_arg_pointer live.
13835 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13837 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13838 (update_life_info) [REG_WAS_0]: Search the original insns rather
13839 than the new insns for the note. Fix typos finding note_dest.
13840 If no dest found, discard the note rather than abort.
13841 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13842 (replace_insns): Remove the old insn list after update_life_info
13845 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13847 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13848 sched_analyze_insn.
13849 (sched_analyze_1): Let add_dependence care for not adding dups.
13850 (sched_analyze_2): Likewise.
13851 (add_branch_dependences): Likewise.
13853 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13855 * i386/winnt.c (export_list): New type.
13856 (exports_head): Rename to
13857 (export_head): this.
13858 (i386_pe_record_exported_symbol): Add is_data flag.
13859 (i386_pe_asm_file_end): Emit directive for exported variables.
13860 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13862 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13863 (ASM_DECLARE_OBJECT_NAME): Likewise.
13864 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13865 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13867 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13869 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13871 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13874 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13876 * config/openbsd.h: Define SET_ASM_OP.
13877 * tm.texi: cross-reference SET_ASM_OP in the index.
13879 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13881 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13882 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13883 and class_narrowest_mode at compile time. Kill init_rtl.
13884 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13885 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13886 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13888 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13890 * rtl.h: Declare rtx_length and rtx_format as const.
13891 * machmode.def: Define CC(). Use CC() to define CCmode. If
13892 EXTRA_CC_MODES is defined, expand it here.
13893 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13894 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13895 const. Kill all references to EXTRA_CC_MODES.
13897 * toplev.c: Don't prototype or call init_rtl.
13898 * optabs.c: Don't call init_mov_optab.
13899 * genemit.c: Don't generate init_mov_optab. Don't call
13901 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13903 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13904 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13905 genrecog.c: Don't call init_rtl.
13907 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13908 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13909 definition of EXTRA_CC_MODES.
13911 * md.texi: Kill ref to EXTRA_CC_NAMES.
13912 * tm.texi: Document new way to define EXTRA_CC_MODES.
13914 * genrecog.c: Do not look up the name of a define_split.
13915 (Unrelated bugfix.)
13917 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13919 * config/v850/v850.md: Fix typo introduced by previous delta.
13921 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13923 * gcc.c (fatal): Make definition static to match prototype.
13925 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13927 * combine.c (get_last_value): Don't look for earlier sets if the last
13928 known set is somewhere in between the insns being combined.
13930 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13932 * configure.in: Don't use shell ! to negate exit codes
13933 * configure: Regenerate
13935 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13937 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13938 the fact that ALIGN is measured in bits, not bytes.
13940 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13942 * errors.c: New file; defines functions error, warning, and
13943 fatal, variables have_error and progname.
13944 * errors.h: New file; prototypes and decls for stuff in errors.c.
13946 * Makefile: Add rules to build errors.o and
13947 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13948 genopinit, genrecog, genextract, genpeep, genattr, and
13949 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13950 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13951 genpeep.o, genattr.o, and genoutput.o.
13953 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13954 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13955 define or prototype fatal. Set progname at beginning of main.
13956 * genoutput.c: Likewise, and don't define or prototype error
13959 * c-typeck.c (c_expand_start_case): Return immediately if exp
13961 * fold-const.c (operand_equal_p): Return immediately if arg1
13962 or arg0 are ERROR_MARKs.
13963 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13964 fields of type ERROR_MARK when calculating if the record can
13967 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13968 with much help from Jeffrey A Law and Richard Henderson
13970 * i386.md: In the 6 insns which call output_fix_trunc,
13971 earlyclobber operands[0].
13973 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13975 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13976 creating new registers.
13978 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13980 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13981 i386_reg_alloc_order, i386_regparm_string,
13982 i386_align_loops_string, i386_align_jumps_string,
13983 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13984 and i386_branch_cost_string as type "const char *".
13985 * i386.c: Define all above strings as type "const char *".
13987 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13989 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13990 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13992 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13994 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13995 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13997 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13999 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
14000 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
14001 (dwarf2out_line, dwarf2out_finish): Likewise.
14002 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
14004 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14006 * tree.c (lang_unsave_expr_now) : Correct return type.
14007 * tree.h (lang_unsave_expr_now) : Same.
14009 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
14011 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
14012 instead of duplicating code.
14014 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14016 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
14018 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
14020 * tree.h: fancy_abort always takes three args.
14021 * resource.c: Move include of system.h before toplev.h.
14023 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
14025 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
14028 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
14030 * system.h: Don't redefine abort or trim_filename.
14031 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
14032 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
14033 whether or not __FUNCTION__ is available.
14034 * tree.h: Duplicate rtl.h's definition of abort, for files
14035 that don't include rtl.h. Delete all code to perform type
14036 checking with a compiler other than GCC.
14037 * varray.h: Delete all code to perform type checking with a
14038 compiler other than GCC. Make VARRAY_CHECK() always evaluate
14039 its arguments exactly once, using a statement expression.
14040 Adjust the VARRAY_<type> accessor macros to match.
14041 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
14042 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
14043 caller's location. Define fatal_insn and fatal_insn_not_found
14044 as macros that use _fatal_insn and _fatal_insn_not_found.
14045 (fancy_abort, trim_filename): Kill prototypes.
14047 * rtl.c (trim_filename): Move here from toplev.c.
14048 (fancy_abort): New function.
14049 (DIR_SEPARATOR): Provide default definition.
14050 * tree.c (tree_check_failed, tree_class_check_failed): Go
14051 through fancy_abort.
14052 (tree_check, tree_class_check, cst_or_constructor_check,
14053 expr_check): Delete.
14054 * varray.c (varray_check_failed): New function.
14055 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
14056 _fatal_insn and _fatal_insn_not_found. Go through
14058 (trim_filename, fancy_abort): Delete.
14060 * builtins.c (expand_builtin_args_info): Report ICE with abort.
14061 * except.c (start_catch_handler): Report ICE with error/abort
14063 * final.c (output_operand_lossage): Likewise.
14064 * flow.c (verify_flow_info): Likewise.
14066 * gcc.c: Prototype fatal.
14067 * gengenrtl.c: Undef abort after including rtl.h not system.h.
14068 * genattr.c, genattrtab.c, genemit.c, genextract.c,
14069 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
14070 Don't define fancy_abort.
14072 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
14074 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
14077 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
14079 * m88k.h (VERSION_INFO2): Kill.
14080 (VERSION_STRING): Kill.
14082 (VERSION_INFO1): Tidy.
14083 (TARGET_VERSION): Update.
14084 * m88k/dgux.h (VERSION_INFO2): Kill.
14085 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
14086 * m88k/luna.h (VERSION_INFO1): Tidy.
14087 * m88k/sysv4.h (VERSION_INFO1): Likewise.
14088 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
14089 (output_file_start): Adjust for death of VERSION_STRING.
14091 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
14093 * cpplib.c (detect_if_not_defined): New function.
14094 (do_if): Use it to detect potential once-only headers.
14096 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
14098 * c-common.c (combine_strings): Always set TREE_CONSTANT.
14100 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
14102 * combine.c (nonzero_bits) : Allow single-ly set registers to be
14103 anywere in the function only if they are pseudos and set before
14104 being used (not live at the start of the function).
14105 (num_sign_bit_copies) : Same.
14106 (get_last_value_validate) : Same.
14107 (get_last_value) : Same.
14109 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
14111 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
14112 where N and M are constant and N is an integer multiple of M.
14114 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14116 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
14117 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
14118 sbitmap_union_of_preds): Add prototypes.
14119 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
14120 the intersection of successors with the new flow graph structures.
14121 (sbitmap_intersection_of_preds): New function to compute the
14122 intersection of predecessors with the new flow graph structures.
14123 (sbitmap_union_of_succs): New function to compute the union of
14124 successors with the new flow graph structures.
14125 (sbitmap_union_of_preds): New function to compute the union of
14126 predecessors with the new flow graph structures.
14127 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
14128 (expr_reaches_here_p): Use edge and basic_block structures instead
14129 of s_preds and s_succs.
14130 (compute_cprop_avinout): Use new sbitmap routines.
14131 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
14132 of s_preds and s_succs.
14133 * flow.c (compute_flow_dominators): Compute dominators using
14134 edges and basic blocks instead of s_preds and s_succs.
14136 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14138 * lists.c (unused_insn_list, unused_expr_list): New file for
14139 maintaining various types of lists. New statics for maintaining a
14140 cache of available INSN_LIST and EXPR_LIST nodes.
14141 (free_list): Static function for freeing a list of INSN/EXPR nodes.
14142 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
14143 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
14144 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
14145 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
14146 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
14147 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
14148 (free_INSN_LIST_node): Free an individual INSN_LIST node.
14149 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
14150 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
14151 (remove_dependence, free_pending_lists): Use new global routines.
14152 (flush_pending_lists, sched_analyze_insn): Use new global routines.
14153 (sched_analyze, compute_block_backward_dependences): Use new routines.
14154 (sched_analyze_1, sched_analyze_2): Use new routines.
14155 (schedule_insns): Use new global routines.
14156 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
14158 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
14159 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
14161 * toplev.c (rest_of_compilation): Initialize node cache.
14162 * Makefile.in (OBJS): Add lists.o to list of object files.
14163 (lists.o): Add dependancies.
14165 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
14167 * config/v850/v850.md: Fix compile time warning messages.
14168 * config/v850/v850.c: Fix compile time warning messages.
14169 * config/v850/v850.h: Fix compile time warning messages.
14171 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14173 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
14174 Remove unused prototype for `init_lengths'.
14176 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14178 * calls.c (emit_call_1): Mark parameter `stack_size' with
14180 (expand_call): Initialize variable `insn'.
14181 (emit_library_call): Likewise for variable `high_to_save'.
14182 (emit_library_call_value): Likewise.
14183 (store_one_arg): Likewise for variables `lower_bound' and
14186 * combine.c (try_combine): Likewise for variables `i2_code_number'
14187 and `other_code_number'.
14188 (find_split_point): Likewise for variables `pos', `unsignedp' and
14190 (simplify_if_then_else): Likewise for variables `op' and `c1'.
14191 (simplify_and_const_int): Remove unused variable `width'.
14192 (merge_outer_ops): Likewise.
14194 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
14195 HOST_WIDE_INT' when comparing against one.
14196 (simplify_relational_operation): Likewise.
14197 (cse_insn): Initialize variables `src_eqv_volatile',
14198 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
14200 * final.c (init_final): Constify parameter `filename'.
14201 (final_start_function): Mark parameter `optimize' with
14203 (profile_function): Likewise for parameters `first' and `optimize'.
14204 (output_source_line): Likewise for parameter `file'.
14206 * integrate.c (subst_constants): Cast a value to `size_t' when
14207 comparing against one.
14208 (mark_stores): Initialize variable `mode'. Cast a value to
14209 `size_t' when comparing against one.
14211 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
14213 * loop.c (move_movables): Initialize variable `first'.
14214 (strength_reduce): Likewise for variable `increment'.
14215 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
14216 value to `size_t' when comparing against one.
14217 (load_mems): Initialize variable `end_label'.
14219 * output.h (init_final): Constify parameter.
14221 * reload.c (decompose): Initialize variable `base'.
14223 * reload1.c (reload): Likewise for variable `is_scalar'.
14224 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
14225 (choose_reload_regs): Initialize variable `mode'.
14226 (emit_reload_insns): Likewise for variable `store_insn'.
14227 (reload_cse_noop_set_p): Mark parameter `insn' with
14229 (reload_combine): Initialize variable `set'.
14231 * unroll.c (unroll_loop): Likewise for variable `local_label'.
14232 (copy_loop_body): Cast a value to `size_t' when comparing against
14235 * varasm.c (assemble_variable): Initialize variable `size_tree'.
14236 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
14237 (remove_from_pending_weak_list): Mark parameter `name' with
14240 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14242 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14245 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14247 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14248 (ASM_DECLARE_FUNCTION_NAME): Define.
14249 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14250 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14251 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14252 not already defined.
14254 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14256 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14257 of n_popped when call/call_value are not defined.
14259 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14261 * tm.texi: GNU CC -> GCC conversion.
14262 (CC1_SPEC): Indicate it is used for all language front ends.
14264 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14266 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14267 NOTE_INSN_EH_REGION_END correctly.
14269 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14270 Jeff Law <law@cygnus.com>
14272 * loop.c (strength_reduce): Automatically unroll loops if the
14273 unrolled loop size is smaller than the rolled loop size.
14275 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14276 and delete comment that code should be rewritten.
14278 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14280 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14283 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14285 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14287 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14288 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14289 (LINK_SPEC): Add -u _main when building executables.
14290 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14291 (ASM_FILE_END): Use the default for ix86-pe.
14292 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14294 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14296 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14297 and ASM_CLOSE_PAREN are empty strings.
14299 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14300 Geoffrey Keating <geoffk@cygnus.com>
14302 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14303 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14304 (unprotoize.o): Ditto.
14305 (test-protoize-simple): Don't define STD_PROTO_DIR.
14306 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14307 changes to make 'test-protoize-simple' pass.
14308 (STD_PROTO_DIR): Remove define.
14309 (STANDARD_EXEC_PREFIX): Supply default define.
14310 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14311 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14312 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14313 (GET_ENV_PATH_LIST): New macro.
14314 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14315 (do_processing): Initialize default_syscalls_dir using new
14316 macros. Use it to initialize syscalls_absolute_filename.
14318 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14320 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14321 B into a register before emit_conditional_move.
14323 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14325 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14326 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14327 multiplicand out of (+ (* a b) (* c d)).
14329 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14330 Richard Henderson <rth@cygnus.com>
14332 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14333 (new_insn_dead_notes): Likewise.
14334 (update_n_sets): Likewise.
14335 (update_flow_info): Move to flow.c, renamed to update_life_info;
14336 extend to handle multiple source insns.
14337 * flow.c: Include resource.h
14338 (unlink_insn_chain): New.
14339 (split_hard_reg_notes): New.
14340 (maybe_add_dead_note): New.
14341 (maybe_add_dead_note_use): New.
14342 (find_insn_with_note): New.
14343 (new_insn_dead_notes): New.
14344 (update_n_sets): New.
14345 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14346 (maybe_remove_dead_notes): New.
14347 (update_life_info): New.
14348 (prepend_reg_notes): New.
14349 (replace_insns): New.
14350 * output.h (update_life_info): Declare.
14351 * recog.c (split_block_insns): Use update_life_info.
14352 * resource.c (find_free_register): Use reg_alloc_order, don't use
14353 fixed regs, make sure the mode is supported, don't use new regs.
14355 * rtl.h (replace_insns): Declare.
14357 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14359 * expr.c (expand_expr): Cope with COND_EXPRs with one
14360 non-returning branch.
14362 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14364 * expr.c (store_expr): Always pass down the target, even when not
14367 1999-08-24 Nick Clifton <nickc@cygnus.com>
14369 * configure.in: Define target_cpu_default for v850 targets.
14370 * configure: Regenerate
14372 * config/v850/v850.h (TARGET_CPU_generic): Define.
14373 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14374 addresses are 4 byte aligned.
14376 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14379 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14381 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14382 (main): Add prototypes.
14384 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14385 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14386 (write_attr_get): Emit prototypes along with function definition.
14387 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14388 (write_complex_function): Emit static prototype along with
14389 function definition.
14391 * genemit.c (gen_split): Emit prototypes along with function
14394 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14395 Likewise for predicates and `insn_operand_predicate'.
14396 (process_template): Emit static prototype along with function
14399 * genrecog.c (make_insn_sequence): Constify a char*. Add
14400 prototypes for get_split_*().
14401 (write_subroutine): Emit prototypes along with function
14404 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14406 * gcse.c (find_avail_set): Follow chains of register-register copies.
14407 Use oprs_not_set_p to guarantee that the returned value can be
14409 (cprop_insn): Don't verify the return value of find_avail_set with
14412 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14413 (cprop_cc0_jump): New function.
14414 (cprop_insn): Break out new function cprop_jump and use it.
14415 Also use cprop_cc0_jump for machines with CC0.
14416 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14418 * tree.h (current_function_calls_setjmp,
14419 current_function_calls_longjmp): Delete declarations.
14420 * dsp16xx.c: Include "function.h".
14421 * elxsi.c: Likewise.
14422 * gmicro.c: Likewise.
14423 * h8300.c: Likewise.
14424 * i370.c: Likewise.
14425 * m32r.c: Likewise.
14426 * mn10200.c: Likewise.
14427 * mn10300.c: Likewise.
14428 * ns32k.c: Likewise.
14429 * spur.c: Likewise.
14430 * v850.c: Likewise.
14432 * rtl.h (rtx_equal_function_value_matters): Declare.
14433 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14435 * function.c: Likewise.
14436 * emit-rtl.c: Likewise.
14438 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14440 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14443 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14445 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14448 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14450 * cpp.texi: Add a node documenting macro varargs (copied
14453 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14455 * cppspec.c: Put a null pointer at the end of the new argv.
14457 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14459 * configure.in: Remove code to select/de-select the haifa
14460 scheduler. Every scheduled port gets haifa now.
14461 * configure: Rebuilt.
14462 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14464 * Makefile.in: Corresponding changes.
14466 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14468 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14469 All callers changed.
14470 (prepare_float_lib_cmp): Likewise.
14471 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14472 * expr.h (emit_float_lib_cmp): Delete declaration.
14473 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14474 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14475 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14477 (cmptf): Now conditional on TARGET_HARD_QUAD.
14479 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14481 * resource.c (mark_target_live_regs): Use
14482 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14484 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14486 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14488 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14490 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14492 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14494 * rtl.h (rtx_format): Constify a char*.
14496 * rtl.c (rtx_format): Likewise.
14497 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14498 (init_rtl): Use accessor macro, not `rtx_format'.
14500 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14503 * caller-save.c (mark_referenced_regs): Likewise.
14505 * combine.c (subst, make_compound_operation, known_cond,
14506 gen_rtx_combine, update_table_tick, get_last_value_validate,
14507 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14509 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14510 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14511 count_reg_usage): Likewise.
14513 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14516 * final.c (leaf_renumber_regs_insn): Likewise.
14518 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14519 dump_edge_info, count_reg_references): Likewise.
14521 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14522 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14525 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14526 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14527 add_label_notes): Likewise.
14529 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14530 clear_struct_flag, count_sub_rtxs, count_alternatives,
14531 compares_alternatives_p, contained_in_p, walk_attr_value,
14532 write_expr_attr_cache): Likewise.
14534 * genconfig.c (walk_insn_part): Likewise.
14536 * genemit.c (max_operand_1, gen_exp): Likewise.
14538 * genextract.c (walk_rtx): Likewise.
14540 * genflags.c (num_operands): Likewise.
14542 * genoutput.c (scan_operands): Likewise.
14544 * genpeep.c (match_rtx): Likewise.
14546 * genrecog.c (add_to_sequence): Likewise.
14548 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14551 * integrate.c (save_constants, copy_for_inline,
14552 copy_rtx_and_substitute, subst_constants, restore_constants):
14555 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14556 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14558 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14561 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14562 add_label_notes, replace_call_address, count_nonfixed_reads,
14563 invariant_p, find_single_use_in_loop, find_mem_givs,
14564 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14567 * print-rtl.c (reg_names, print_rtx): Likewise.
14569 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14571 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14572 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14573 print_blocks): Likewise.
14575 * regclass.c (fix_register, record_address_regs,
14576 reg_scan_mark_refs): Likewise.
14578 * regmove.c (stable_but_for_p): Likewise.
14580 * reload.c (loc_mentioned_in_p, operands_match_p,
14581 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14582 copy_replacements, refers_to_regno_for_reload_p,
14583 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14584 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14587 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14588 delete_address_reloads_1, count_occurrences,
14589 reload_cse_mem_conflict_p, reload_combine_note_use,
14590 add_auto_inc_notes): Likewise.
14592 * resource.c (mark_referenced_resources, mark_set_resources):
14595 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14596 reg_mentioned_p, regs_set_between_p, modified_between_p,
14597 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14598 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14599 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14600 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14602 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14604 * stupid.c (stupid_mark_refs): Likewise.
14606 * unroll.c (remap_split_bivs): Likewise.
14608 * varasm.c (mark_constants): Likewise.
14610 * a29k/a29k.c (uses_local_reg_p): Likewise.
14612 * alpha/alpha.c (summarize_insn): Likewise.
14614 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14615 eliminate_lr2ip): Likewise.
14617 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14619 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14620 reg_mentioned_in_mem): Likewise.
14622 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14623 symbolic_reference_mentioned_p): Likewise.
14625 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14627 * sh/sh.c (regs_used, mark_use): Likewise.
14629 * vax/vax.c (vax_rtx_cost): Likewise.
14631 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14633 * machmode.h (mode_name): Constify a char*.
14635 * rtl.c (mode_name): Likewise.
14637 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14639 * optabs.c (init_libfuncs): Constify a char*.
14641 * print-tree.c (mode_name): Remove redundant declaration.
14642 (print_node): Use accessor macro, not `mode_name'.
14644 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14646 (new_spill_reg): Constify a char*.
14648 * tree.c (mode_name): Remove redundant declaration.
14650 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14652 * rtl.c (rtx_name): Constify a char*.
14654 * rtl.h (rtx_name, fix_sched_param): Likewise.
14656 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14657 (mypr): Use accessor macro, not `rtx_name'.
14659 * genemit.c (print_code): Constify a char*.
14661 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14663 * genpeep.c (print_code): Constify a char*.
14665 * genrecog.c (print_code): Likewise.
14667 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14668 end_bb): Add static prototype.
14669 (draw_edge): Constify a char*.
14670 (end_bb): Remove unused parameter.
14672 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14673 print_block_visualization): Constify a char*.
14675 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14677 * c-common.c (c_get_alias_set): Update comment.
14679 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14681 * linux.h (LIB_SPEC): Added.
14683 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14685 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14687 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14689 * tree.c (expr_check): Fix typo in last change.
14691 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14693 * rtl.def (NOTE): Change format to "iuu0n".
14694 (ADDR_DIFF_VEC): Change format to "eEee0".
14695 (ADDRESSOF): Change format to "eit".
14697 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14698 (RTVEC_ELT): Change to match.
14699 (XVECEXP): Use XVEC and RTVEC_ELT.
14700 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14701 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14702 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14703 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14704 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14705 (INTVAL): Use XWINT.
14706 (ADDRESSOF_DECL): Use XTREE.
14707 (SET_ADDRESSOF_DECL): Delete.
14708 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14709 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14710 ifdefed out since 2.6 at least.
14711 (gen_rtvec_vv): Delete prototype.
14713 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14715 (copy_most_rtx): Handle 't' format letter.
14716 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14717 (gen_rtvec_vv): Delete function. All callers changed to use
14718 gen_rtvec_v instead.
14719 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14720 the '0' format letter.
14722 * function.c (gen_mem_addressof): Don't use
14723 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14725 * integrate.c (copy_rtx_and_substitute): Likewise.
14726 Copy 't' slots with XTREE.
14727 (subst_constants): Treat 't' slots like '[swi]' slots.
14728 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14729 * jump.c (rtx_equal_for_thread_p): Likewise.
14730 * rtlanal.c (rtx_equal_p): Likewise.
14731 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14732 only four arguments.
14733 * gengenrtl.c (type_from_format): Provide correct types for
14737 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14738 If a recent gcc is in use (always in stage2 and beyond), use
14739 statement expressions, so we don't make a function call unless
14740 the check fails. Evaluate arguments exactly once.
14741 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14742 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14744 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14745 they evaluate their arguments exactly once, irrespective of
14746 the compiler in use.
14748 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14749 is used by the currently-enabled check macros. This is:
14750 (tree_check_failed, tree_class_check_failed): For gcc.
14751 (tree_check, tree_class_check, cst_or_constructor_check,
14752 expr_check): For other compilers.
14754 * gencheck.c: Do not define any *_CHECK1 macros.
14756 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14757 Mark Mitchell <mark@codesourcery.com>
14759 * c-common.c (c_get_alias_set): Fix support for poitners and
14762 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14764 * alias.c: Include tree.h.
14765 (nonlocal_reference_p, mark_constant_function): New functions.
14766 * flow.c (life_analysis): Call mark_constant_function.
14767 * rtl.h (mark_constant_function): Declare it.
14769 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14771 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14772 unrecognisable switches.
14774 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14776 * loop.c (recombine_givs): Set ix field after sorting.
14777 (recombine_givs): Remove bogus index / giv lockstep looping.
14779 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14781 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14783 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14784 (do_cmp_and_jump): Formatting fixes.
14785 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14786 do_compare_rtx_and_jump instead of compare_from_rtx.
14787 (do_compare_rtx_and_jump): New function; mostly copied from
14789 (do_jump_for_compare): Delete.
14790 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14792 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14793 of compare/do_jump_for_compare pairs.
14794 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14795 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14796 compare_from_rtx/do_jump_for_compare pairs.
14797 (do_jump_by_parts_equality): Likewise.
14798 (do_jump_by_parts_equality_rtx): Likewise.
14799 * expr.h (do_compare_rtx_and_jump): Declare.
14800 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14801 that used to be in emit_cmp_insn.
14802 (cmp_available_p): New function.
14803 (prepare_operand): New function.
14804 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14805 to be in emit_cmp_insn.
14806 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14807 parameters to be pointers; don't emit final compare but modify some of
14808 the values pointed to by the args so the caller can perform the
14809 correct comparison.
14810 (expand_binop): Call emit_store_flag_force with signed forms of
14812 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14813 emit_jump_insn pair.
14814 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14815 emit_cmp_and_jump_insn_1. Call emit_queue.
14816 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14818 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14819 jump sets cc0 before deleting it.
14820 * integrate.c (expand_inline_function): Likewise.
14821 * unroll.c (unroll_loop): Similar changes in several places.
14822 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14823 before deleting it.
14825 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14827 * Makefile.in (insn-recog.o): Update dependencies.
14828 * genrecog.c (main): Make generated file include "function.h".
14830 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14832 * cse.c (cse_insn): Call never_reached_warning when a jump is
14833 changed to be unconditional.
14834 * flags.h: Declare warn_notreached.
14835 * flow.c (delete_block): Call never_reached_warning when
14836 a block is deleted.
14837 * jump.c (delete_barrier_successors): Call never_reached_warning
14838 when we delete everything after a BARRIER.
14839 (never_reached_warning): New function.
14840 * rtl.h: Declare never_reached_warning.
14841 * toplev.c (warn_notreached): New variable.
14842 (lang_independent_options): Set warn_notreached
14843 when -Wunreachable-code.
14844 (compile_file): We need line numbers for -Wunreachable-code.
14846 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14848 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14849 * sched.c (insn_unit): Likewise.
14851 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14853 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14855 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14857 * flow.c (create_edge_list): Use xmalloc, not malloc.
14859 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14861 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14862 C-style comments. Do not lose the character before double slash.
14864 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14866 * basic-block.h (struct edge_list): Stucture to maintain a vector
14868 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14869 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14870 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14871 New function prototypes.
14872 * flow.c (create_edge_list): Function to create an edge list.
14873 (free_edge_list): Discards memory used by an edge list.
14874 (print_edge_list): Debug output showing an edge list.
14875 (verify_edge_list): Internal consistency check for an edge list.
14876 (find_edge_index): Function to find an edge index for a pred and succ.
14878 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14880 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14883 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14885 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14887 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14889 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14891 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14893 * toplev.c (rest_of_compilation): Allow machine dependent
14894 reorganisation pass to place information into the RTL dump
14895 file if it so wishes.
14897 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14899 * explow.c (hard_function_value): Use VOIDmode instead of
14901 * stmt.c (expand_return): Likewise.
14902 * stor-layout.c (get_best_mode): Likewise.
14904 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14905 emit call instead of emit_insn call.
14907 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14909 * configure.in: Handle --disable/enable-win32-registry.
14910 * install.texi: Document --disable/enable-win32-registry.
14911 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14912 (WIN32_REGISTRY_KEY): New macro.
14913 * prefix.c: Use to enable/disable win32-specific code.
14914 (lookup_key): Use versioned key.
14915 * configure: Regenerate.
14916 * config.in: Likewise.
14918 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14920 * cpplib.c (read_line_number): New fn, split out of...
14923 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14925 tree.c (lang_unsave_expr_now) : New.
14926 (unsave_expr_now): Call lang_unsave_expr_now.
14927 tree.h (lang_unsave_expr_now) : New.
14929 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14931 * toplev.c (flag_new_exceptions): On by default.
14933 1999-08-13 Michael Meissner <meissner@cygnus.com>
14935 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14937 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14939 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14940 INTEGER_TYPE with precision==1, it's __java_boolean.
14942 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14944 * global.c (prune_preferences): Move some invariants out of the
14947 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14949 * configure.in (alpha*-dec-osf*): Add osf5.
14951 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14953 * configure.in: Rework handling of ARM GNU/Linux slightly.
14954 (arm*-*-linux-gnuoldld): New target.
14955 * configure: Regenerate.
14956 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14957 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14958 * config/arm/linux-oldld.h: New file.
14959 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14960 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14962 * config/arm/linux-elf.h (ASM_SPEC): Define.
14963 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14964 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14965 for 26-bit APCS and old linker.
14966 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14968 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14969 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14970 don't define `arm' or `arm_elf'.
14971 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14972 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14974 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14976 * rtl.texi: Fix typo.
14978 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14980 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14982 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14984 * extend.texi (C++ Signatures): Remove node.
14985 * invoke.texi: Remove discussion of -fhandle-signatures,
14986 signature, sigof, __signature__, and __sigof__.
14988 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14990 * Makefile.in (JAVAGC): Removed.
14992 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14994 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14996 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14998 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15000 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
15002 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
15003 a register that is already known to be a pointer.
15005 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
15007 * fixinc/inclhack.tpl: Only install assert.h conditionally.
15008 * fixinc/inclhack.sh: Regenerated.
15009 * fixinc/fixincl.sh: Regenerated.
15011 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
15013 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
15014 Fix documentation of -ansi flag to describe its C++ behavior.
15015 Remove bogus reference to GCC 2.9.
15017 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
15019 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
15020 note if it is non-NULL.
15022 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15024 * except.h (eh_nesting_info): Add new structure defintion.
15025 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
15026 (reachable_handlers, update_rethrow_references): Add function
15028 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
15029 a rethrow symbol instead of an integer exception region number.
15030 * flow.c (Make_edges): Use new exception nesting routines to determine
15031 which handlers are reachable from a CALL or asynchronous insn.
15032 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
15034 (delete_eh_regions): Update rethrow labels, and don't delete
15035 regions which are the target of a rethrow.
15036 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
15037 avoid overloading the SYMBOL_REF_USED flag.
15038 (rethrow_symbol_map): Use new rethrow_ref field.
15039 (rethrow_used): Use new rethrow_ref field.
15040 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
15041 of an integer. Fix formatting.
15042 (output_exception_table_entry): Use new rethrow_ref field.
15043 (can_throw): Check for EH_REGION_NOTE before deciding
15044 whether a CALL can throw or not.
15045 (scan_region): Call rethrow_used() instead of accessing data structure.
15046 (update_rethrow_references): New function to make sure only regions
15047 which are still targets of a rethrow are flagged as such.
15048 (process_nestinfo): New static function to initialize a handler
15049 list for a specific region.
15050 (init_eh_nesting_info): New function to allocate and initialize
15051 the list of all EH handlers reachable from all regions.
15052 (reachable_handlers): New function to retrieve the list of handlers
15053 reachable from a specific region and insn.
15054 (free_eh_nesting_info): New function to dispose of a list of
15055 reachable handlers.
15057 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15059 * flow.c (split_edge): Set JUMP_LABEL field.
15060 (commit_one_edge_insertion): Set head correctly for insert_before.
15061 When inserting insns, update insn block numbers if allocated.
15063 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15065 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
15066 retry_incomplete_types): Add static prototype.
15067 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
15068 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
15069 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
15070 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
15071 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
15074 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
15075 dwarf2out_start_source_file, dwarf2out_line): Likewise.
15077 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15079 * output.h (assemble_name): Constify a char*.
15081 * varasm.c (UNIQUE_SECTION, assemble_start_function,
15082 assemble_variable, assemble_name): Likewise.
15084 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
15086 * arm/pe.c (arm_pe_unique_section): Likewise.
15088 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
15090 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
15092 * i386/interix.c (i386_pe_unique_section): Likewise.
15094 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
15096 * i386/winnt.c (i386_pe_unique_section): Likewise.
15098 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
15100 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
15102 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
15104 * pa/pa.c (output_call): Likewise.
15106 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
15108 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
15110 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
15113 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
15116 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
15118 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
15119 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
15121 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
15123 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15125 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
15127 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15129 * tree.h (lang_identify): Constify a char*.
15130 (print_error_function): Add extern prototype. Constify a char*.
15132 * c-lang.c (lang_identify): Constify a char*.
15134 * objc/objc-act.c (lang_identify): Constify a char*.
15136 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15138 * genpeep.c (main): Make generated file include "function.h".
15139 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
15141 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15143 * Makefile.in: Update dependencies.
15144 * alias.c: Include "function.h"
15145 * c-decl.c: Likewise.
15146 * caller-save.c: Likewise.
15147 * calls.c: Likewise.
15148 * combine.c: Likewise.
15150 * explow.c: Likewise.
15151 * final.c: Likewise.
15152 * global.c: Likewise.
15153 * graph.c: Likewise.
15154 * local-alloc.c: Likewise.
15155 * loop.c: Likewise.
15156 * optabs.c: Likewise.
15157 * profile.c: Likewise.
15158 * recog.c: Likewise.
15159 * regclass.c: Likewise.
15160 * regmove.c: Likewise.
15161 * reload.c: Likewise.
15162 * reorg.c: Likewise.
15163 * resource.c: Likewise.
15164 * sched.c: Likewise.
15165 * stupid.c: Likewise.
15166 * config/1750a/1750a.c: Likewise.
15167 * config/a29k/a29k.c: Likewise.
15168 * config/arc/arc.c: Likewise.
15169 * config/arm/arm.c: Likewise.
15170 * config/arm/thumb.c: Likewise.
15171 * config/c4x/c4x.c: Likewise.
15172 * config/clipper/clipper.c: Likewise.
15173 * config/convex/convex.c: Likewise.
15174 * config/fx80/fx80.c: Likewise.
15175 * config/i860/i860.c: Likewise.
15176 * config/m68k/m68k.c: Likewise.
15177 * config/m88k/m88k.c: Likewise.
15178 * config/mips/mips.c: Likewise.
15179 * config/pdp11/pdp11.c: Likewise.
15180 * config/pyr/pyr.c: Likewise.
15181 * config/romp/romp.c: Likewise.
15182 * config/sh/sh.c: Likewise.
15183 * config/tahoe/tahoe.c: Likewise.
15184 * config/vax/vax.c: Likewise.
15185 * config/we32k/we32k.c: Likewise.
15186 * config/sparc/sparc.c: Include "function.h".
15187 (mem_min_alignment): Test current_function rather than
15188 regno_pointer_align.
15189 * config/pa/pa.c: Likewise.
15190 (compute_frame_size): Delete declaration of
15191 current_function_outgoing_args_size.
15192 * config/arc/arc.h (current_function_varargs): Delete declaration.
15193 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
15195 * config/i370/i370.h (current_function_outgoing_args_size): Delete
15197 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
15198 current_function_uses_pic_offset_table.
15199 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
15200 of current_function_returns_pointer.
15201 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15202 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15203 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15204 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15205 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15206 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15207 * config/m88k/m88k.c: Include "function.h"
15208 (call_used_regs, current_function_pretend_args_size,
15209 current_function_outgoing_args_size, frame_pointer_needed): Delete
15211 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
15213 * config/mips/mips.h (current_function_calls_alloca): Delete
15215 * config/mn10200/mn10200.h (current_function_needs_context,
15216 rtx_equal_function_value_matters): Delete declarations.
15217 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
15218 flag_pic): Delete declarations.
15219 * config/pa/pa.h (current_function_pretend_args_size,
15220 current_function_decl): Delete declarations.
15221 * config/pa/som.h (current_function_varargs): Delete declaration.
15222 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
15224 * config/pyr/pyr.h (current_function_pretend_args_size,
15225 current_function_args_size, current_function_calls_alloca): Delete
15227 * config/sh/sh.h (current_function_varargs): Delete declaration.
15228 * config/sparc/sparc.h (current_function_outgoing_args_size,
15229 current_function_calls_alloca, current_function_decl): Delete
15231 * config/spur/spur.h (current_function_pretend_args_size,
15232 current_function_calls_alloca): Delete declarations.
15233 * config/v850/v850.c (current_function_outgoing_args_size): Delete
15235 * config/vax/vms.h (current_function_name): Delete declaration.
15236 * gcse.c: Include "function.h".
15237 (current_function_name, current_function_calls_setjmp): Delete
15239 * haifa-sched.c: Include "function.h".
15240 (forced_labels): Delete declaration.
15241 * jump.c: Likewise.
15242 * reg-stack.c: Likewise.
15243 * reload1.c: Likewise.
15244 * genemit.c (main): Make generated file include function.h.
15245 * genoutput.c (output_prologue): Likewise.
15247 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15248 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15249 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15250 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15251 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15252 macros for some of them.
15253 (emit_filename, emit_lineno): Delete declarations.
15254 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15255 regno_pointer_* variables through current_function.
15256 (gen_inline_header_rtx): Delete function.
15257 (save_emit_status): Delete function.
15258 (set_new_last_label_num): New function.
15259 (clear_emit_caches): New function.
15260 (restore_emit_status): Just clear last_labelnum and call
15262 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15263 through macro seq_stack.
15264 (add_insn_after): Likewise.
15265 (add_insn_before): Likewise.
15266 (remove_insn): Likewise.
15267 (pop_topmost_sequence): Likewise.
15268 (in_sequence_p): Likewise.
15269 (start_sequence_for_rtl_expr): Likewise.
15270 (start_sequence): Likewise, and likewise for
15271 sequence_rtl_expr/seq_rtl_expr.
15272 (push_topmost_sequence): Likewise.
15273 (end_sequence): Likewise.
15274 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15275 All callers changed. Store into that pointer instead of globals.
15276 (init_emit): Allocate emit elt of current_function.
15277 Changes for sequence_rtl_expr/sequence_stack renaming.
15278 Call clear_emit_caches instead of doing it in-line.
15279 Access regno_pointer_* variables through current_function.
15280 (init_emit_once) Don't clear sequence_stack.
15282 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15284 (arg_pointer_save_area): Delete declaration.
15285 (finish_expr_for_function): Renamed from init_queue; no longer static.
15286 (init_expr): Don't call init_queue.
15287 (save_expr_status, restore_expr_status): Delete functions.
15288 (expand_expr): Changes to reflect new layout of struct function.
15289 Don't access current_function_check_memory_usage when current_function
15291 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15292 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15293 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15294 current_function_uses_const_pool, function_call_count,
15295 current_function_uses_pic_offset_table, nonlocal_labels,
15296 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15297 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15298 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15300 (finish_expr_for_function): Declare.
15301 * flags.h (current_function_has_nonlocal_label,
15302 current_function_has_nonlocal_goto, current_function_is_thunk,
15303 current_function_has_computed_jump): Delete declarations.
15304 * flow.c (forced_labels): Delete declaration.
15305 * function.c (current_function_pops_args,
15306 current_function_returns_struct, current_function_returns_pcc_struct,
15307 current_function_needs_context, current_function_calls_setjmp,
15308 current_function_calls_longjmp, current_function_has_nonlocal_label,
15309 current_function_has_nonlocal_goto, current_function_is_thunk,
15310 current_function_has_computed_jump, current_function_calls_alloca,
15311 current_function_contains_functions, current_function_returns_pointer,
15312 current_function_epilogue_delay_list, current_function_args_size,
15313 current_function_pretend_args_size, current_function_arg_offset_rtx,
15314 current_function_outgoing_args_size, current_function_varargs,
15315 current_function_stdarg, current_function_args_info, cleanup_label,
15316 current_function_name, current_function_uses_const_pool,
15317 current_function_instrument_entry_exit, current_function_return_rtx,
15318 current_function_uses_pic_offset_table, nonlocal_labels,
15319 current_function_internal_arg_pointer, current_function_cannot_inline,
15320 current_function_check_memory_usage, function_call_count,
15321 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15322 nonlocal_goto_stack_level, return_label, save_expr_regs,
15323 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15324 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15325 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15326 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15327 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15329 (push_function_context_to): Don't save them. Don't call
15330 save_storage_status, save_emit_status or save_expr_status.
15331 (pop_function_context_from): Don't restore them. Don't call
15332 restore_storage_status or restore_expr_status.
15333 (get_func_frame_size): New function.
15334 (get_frame_size): Use it.
15335 (assign_outer_stack_local): Reflect some member name changes in struct
15337 (put_reg_into_stack): Likewise.
15338 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15340 (fixup_var_refs): Likewise.
15341 (fix_lexical_addr): Likewise.
15342 (trampoline_address): Likewise.
15343 (prepare_function_start): Clear field inlinable of current_function.
15344 (init_function_for_compilation): New function.
15345 (expand_dummy_function_end): New function.
15346 (expand_function_end): Call finish_expr_for_function.
15347 * function.h (struct emit_status): New; fields moved here from struct
15348 function and from global variables. Add accessor macros for some of
15350 (struct expr_status): Likewise.
15351 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15352 (struct function): Add fields expr and emit, inlinable, inl_emit,
15353 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15354 inl_max_label_num. Add many comments.
15355 Add accessor macros for all elts of struct function that no longer
15356 have a global variable.
15357 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15358 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15359 stack_slot_list): Delete declarations.
15360 (get_func_frame_size): Declare.
15361 (save_expr_status, restore_expr_status, save_emit_status,
15362 save_storage_status, restore_storage_status): Delete declarations.
15363 (init_virtual_regs): Declare.
15364 * output.h (current_function_pops_args,
15365 current_function_returns_struct, current_function_returns_pcc_struct,
15366 current_function_needs_context, current_function_calls_setjmp,
15367 current_function_calls_longjmp, current_function_calls_alloca,
15368 current_function_has_nonlocal_label, current_function_varargs,
15369 current_function_has_computed_jump, current_function_returns_pointer,
15370 current_function_contains_functions, current_function_args_size,
15371 current_function_pretend_args_size, current_function_stdarg,
15372 current_function_outgoing_args_size, current_function_args_info,
15373 current_function_name, current_function_return_rtx,
15374 current_function_epilogue_delay_list,
15375 current_function_uses_const_pool, current_function_cannot_inline):
15376 Delete declarations.
15377 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15378 regno_reg_rtx): Delete declaration.
15379 (REGNO_POINTER_FLAG): Delete macro.
15380 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15381 function were renamed.
15382 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15384 * toplev.c: Include "function.h".
15385 (current_function_decl): Delete declaration.
15386 (compile_file): Call init_dummy_function_start and
15387 expand_dummy_function_end around some initializations that need to
15389 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15390 Call init_function_for_compilation.
15391 * unroll.c: Include "function.h"
15392 (unroll_loop): Access regno_pointer_* variables through
15395 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15396 (DECL_SAVED_INSNS): use it.
15397 (expand_dummy_function_end): Declare.
15398 (init_function_for_compilation): Declare.
15399 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15400 that it's no longer an INLINE_HEADER.
15401 (expand_call): Likewise.
15402 * integrate.c (finish_inline): Delete function.
15403 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15404 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15405 args. Don't generate an INLINE_HEADER rtx, just return the arg
15406 vector. All callers changed.
15407 (save_for_inline_copying): Create a duplicate struct emit_status to
15408 hold the emit state for compiling the current function. Use this and
15409 the other new fields in struct function that are for integration
15410 instead of an INLINE_HEADER.
15411 Use memcpy instead of bcopy.
15412 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15413 (save_for_inline_nocopy): Similar changes, except no new emit_status
15415 (expand_inline_function): Get information from function structure,
15416 not from an inline header rtx.
15417 (output_inline_function): Lose code to extract the necessary
15418 information from an inline header; simply put back the function
15419 structure into current_function. Clear its inlinable elt.
15420 * rtl.def (INLINE_HEADER): Delete.
15421 * rtl.h: Delete all accessors for an INLINE_HEADER.
15422 (gen_inline_header_rtx): Delete declaration.
15423 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15424 Delete declarations.
15425 (REGNO_POINTER_ALIGN): Delete.
15426 (clear_emit_caches): Declare.
15427 (set_new_last_label_num): Declare.
15429 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15431 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15433 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15434 * stmt.c (is_eh_region): Make sure current_function is present, too.
15436 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15438 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15439 for 64bit PA targets.
15441 * pa.h (SELECT_SECTION): Define.
15442 * som.h (SELECT_SECTION): Delete.
15444 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15446 * alias.c (init_alias_analysis): Wrap call to
15447 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15449 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15451 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15452 <sys/asm.h> contains an asm comment with an apostrophe
15453 * fixinc/inclhack.sh: regen
15454 * fixinc/fixincl.x: regen
15456 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15458 * function.c (init_function_start): Clear prologue & epilogue.
15459 (prologue_epilogue_contains): New function.
15460 * alias.c (init_alias_analysis): Use it.
15461 * rtl.h (prologue_epilogue_contains): Declare it.
15463 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15465 * jump.c (onlyjump_p): New function.
15466 * rtl.h: Declare it.
15467 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15468 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15470 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15472 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15473 to invert loops. Simplify block scanning.
15475 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15477 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15478 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15480 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15482 * config/sparc/liteelf.h: New file to support sparclite-elf target
15483 * config/sparc/t-sp86x: New file to support sparc86x targets
15484 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15485 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15486 * configure.in: Support above target triplets
15487 * configure: Regenerated
15489 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15491 * fixinc/server.c (server_setup): Do not prefix function used as
15492 parameter with `&'.
15494 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15496 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15497 Remove fp reg alternatives.
15499 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15501 * Makefile.in (TAROUTOPTS): Kill.
15502 (install-headers-tar): Use "xpf" for tar headerfile extraction
15503 * i370/x-oe (TAROUTOPTS): Delete.
15504 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15505 * m68k/x-hp320 (TAROUTOPTS): Delete.
15506 * m68k/x-hp320g (TAROUTOPTS): Delete.
15507 * gcc.texi: Update bug reporting text.
15509 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15511 * reg-stack.c (change_stack) Fixed problem with negative array index.
15513 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15515 * extend.texi, install.texi: Fix spelling mistakes.
15517 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15518 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15519 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15520 PREMADE_ATTRTAB_MD.
15521 * mips/t-ecoff: Likewise.
15522 * mips/t-elf: Likewise.
15523 * mips/t-mips: Likewise.
15524 * mips/t-osfrose: Likewise.
15525 * mips/t-r3900: Likewise.
15526 * mips/t-svr3: Likewise.
15527 * mips/t-svr4: Likewise.
15528 * mips/t-ultrix: Likewise.
15530 * gcc.texi: Document recommend means to provide software floating
15531 point libraries in libgcc.a
15533 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15535 * c-lex.c (yylex): We can have a number with no digits.
15537 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15539 * jump.c (delete_prior_computation): New function, broken
15540 out of delete_computation. Check for side effects with
15541 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15542 multi-word hard registers.
15543 (delete_computation): Use it. Check for side effects with
15544 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15545 missing REG_DEAD note for a register which is both set and
15548 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15550 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15551 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15552 (ASM_FILE_START): Import _mcount with the right type.
15553 (ASM_DECLARE_FUNCTION_NAME): Define.
15554 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15555 * pa.c (output_function_prologue): Always emit the function's label
15557 * pa.h (TEXT_SPACE_P): Define.
15558 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15559 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15560 * som.h (TEXT_SPACE_P): Delete.
15561 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15562 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15564 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15566 * expr.c (emit_group_load): Allow src to be a CONCAT.
15568 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15570 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15571 (___mulsi3): Use '!' comment character.
15573 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15575 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15577 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15579 * gcc.c: Update URLs and mail addresses.
15580 * gcc.texi: Likewise.
15582 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15584 * rs6000.c (current_file_function_operand): Return zero for
15586 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15588 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15591 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15593 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15594 allocate space in the stack frame for the PIC register.
15596 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15598 * m68k.md (xordi3, anddi3): These patterns are not available on
15601 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15603 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15604 (PUT_REAL): Likewise.
15606 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15608 * final.c (shorten_branches): Don't add an alignment for loops
15609 that have no label inside.
15611 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15613 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15614 prototypes in macro HAVE_cmpstrsi.
15616 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15618 * emit-rtl.c (operand_subword): Remove unused variable
15621 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15623 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15625 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15627 * cpphash.c (macroexpand): Delete leading whitespace when arg
15628 is concatenated before.
15629 (unsafe_chars): Correct test for whether + and - can extend a
15632 * cppinit.c (cpp_start_read): Do dependencies for
15633 -include/-imacros files also.
15635 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15636 tokenizing non-directive lines.
15637 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15638 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15641 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15643 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15645 * c-lex.c: Sync with C++ frontend.
15646 (linemode): New variable.
15647 (parse_float): imag, conversion_errno, and type are output only.
15648 (yylex): Adjust. Move initial '.' case into main switch.
15650 (handle_generic_pragma): Just deal with tokens.
15651 (readescape): Use ISXDIGIT and ISGRAPH.
15652 * c-parse.in: Add END_OF_LINE token.
15654 * c-lex.c (lang_init): Generalize.
15655 (nextchar): Remove. Replace uses with UNGETC.
15656 (skip_white_space): Handle linemode here. Optimize for cpplib.
15657 (skip_white_space_on_line): Remove.
15658 (extend_token_buffer_to): New fn.
15659 (extend_token_buffer): Use it.
15660 (read_line_number, check_newline): Just deal with tokens.
15661 (token_getch, token_put_back): New fns.
15662 (yylex): Use them. More cpplib optimizations. Simplify.
15664 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15665 Jason Merrill <jason@yorick.cygnus.com>
15667 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15668 (consume_string): Make this smart about USE_CPPLIB.
15669 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15670 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15671 Also, clean up cases where we redundantly set token_buffer[0].
15672 (read_line_number): New fn.
15673 (ignore_escape_flag): New variable.
15675 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15677 * a29k/t-a29kbare: Fix some comments.
15678 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15679 (FPBIT, DPBIT): Define.
15680 * a29k/t-vx29k: Likewise.
15681 * arc/t-arc: Likewise.
15682 * arm/t-arm-elf: Likewise.
15683 * arm/t-bare: Likewise.
15684 * arm/t-pe: Likewise.
15685 * arm/t-pe-thumb: Likewise.
15686 * arm/t-semi: Likewise.
15687 * arm/t-thumb: Likewise.
15688 * arm/t-thumb-elf: Likewise.
15689 * arm/t-thumb-linux: Likewise.
15690 * h8300/t-h8300: Likewise.
15691 * i960/t-i960: Likewise.
15692 * i960/t-vxworks960: Likewise.
15693 * m32r/t-m32r: Likewise.
15694 * mips/t-ecoff: Likewise.
15695 * mips/t-elf: Likewise.
15696 * mips/t-r3900: Likewise.
15697 * pa/t-pro: Likewise.
15698 * rs6000/t-aix43: Likewise.
15699 * rs6000/t-beos: Likewise.
15700 * rs6000/t-newas: Likewise.
15701 * rs6000/t-ppccomm: Likewise.
15702 * rs6000/t-rs6000: Likewise.
15703 * rs6000/t-winnt: Likewise.
15704 * rs6000/t-xnewas: Likewise.
15705 * rs6000/t-xrs6000: Likewise.
15706 * sh/t-sh: Likewise.
15707 * sparc/t-elf: Likewise.
15708 * sparc/t-sparcbare: Likewise.
15709 * sparc/t-sparclite: Likewise.
15710 * sparc/t-splet: Likewise.
15711 * v850/t-v850: Likewise.
15712 * mn10200/t-mn10200: Fix comments.
15713 * mn10300/t-mn10300: Likewise.
15715 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15716 dummy operand. Allocate a new pseudo for the dummy operand.
15717 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15719 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15721 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15723 * configure: Rebuilt.
15724 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15726 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15728 * recog.c (preproces_constraints): Zero recog_op_alt before
15729 processing the constraints.
15731 * arm.c (typedef minipool_node): Renamed from pool_node.
15732 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15733 (add_minipool_constant): New function.
15734 (dump_minipool): New function.
15735 (find_barrier): Remove special case for getting the insn size of
15736 an insn that references the constant pool.
15737 (minipool_fixup): New structure.
15738 (push_minipool_barrier): New function.
15739 (push_minipool_fix): New function.
15740 (note_invalid_constants): New function.
15741 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15742 (arm_reorg): Rewrite code to fix up the constant pool into a
15743 series of mini-pools embedded in the insn stream.
15744 (arm_output_epilogue): New function, made mainly from the body
15745 of output_func_epilogue.
15746 (output_func_epilogue): Move insn generation part of epilogue code
15747 to arm_output_epilogue.
15748 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15749 * arm.md (pool_range): New attribute.
15750 (zero_extendqidi2): Add attribute pool_range.
15751 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15752 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15753 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15754 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15755 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15756 (epilogue): New expand.
15757 (epilogue_insn): New insn. Call arm_output_epilogue.
15759 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15760 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15762 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15764 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15766 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15768 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15770 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15772 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15774 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15776 * global.c: Fix comment.
15778 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15780 * gcc.c (access_check): New static function.
15781 (find_a_file): Use it when searching a directory list.
15782 * collect2.c (find_a_file): Don't accept directories found when
15783 searching a directory list.
15785 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15787 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15788 function parameters with `&'.
15789 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15791 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15793 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15794 or tidy_fallthru_edge if the last insn in the block is not
15795 an unconditional jump or a simple conditional jump.
15797 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15799 * Makefile.in (c-decl.o): Depends on defaults.h.
15801 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15803 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15805 (CLASS_MAX_NREGS): Likewise.
15807 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15809 * cse.c (cse_insn): Fix dumb thinko in last change.
15811 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15813 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15816 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15818 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15819 test for sizes of passed and declared parameter types.
15821 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15823 * fixincludes: Fix the return type of bsearch, char* -> void*.
15825 * fixinc/inclhack.def: Likewise.
15827 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15829 * invoke.texi (-fdump-translation-unit): New option.
15831 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15833 * expr.h (PROMOTE_PROTOTYPES): Move ...
15834 * defaults.h: ... to here.
15835 * c-decl.c: Include defaults.h instead of expr.h.
15836 * c-typeck.c: Include defaults.h.
15838 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15840 * toplev.h (errorcount): Declare.
15841 (warningcount): Likewise.
15842 (sorrycount): Likewise.
15843 * c-lex.c (errorcount): Don't declare.
15844 * dwarf2out.c (errorcount): Don't declare.
15846 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15848 * config/libgloss.h: Add a note discouraging use with ELF.
15849 * configure.in: Don't use libgloss.h for ELF targets.
15850 Always use_collect2 on a.out targets.
15852 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15854 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15855 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15857 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15859 * loop.c (strength_reduce): When doing biv->giv conversion, update
15860 reg note of NEXT->insn.
15862 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15864 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15866 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15868 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15869 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15870 Ensure expr.h is included.
15871 * c-typecheck.c (convert_arguments): Ditto.
15873 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15875 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15876 * config/convex/convex.h: Ditto.
15877 * config/dsp16xx/dsp16xx.h: Ditto.
15878 * config/fx80/fx80.h: Ditto.
15879 * config/gmicro/gmicro.h: Ditto.
15880 * config/i370/i370.h: Ditto.
15881 * config/i386/i386.h: Ditto.
15882 * config/m32r/m32r.h: Ditto.
15883 * config/m68k/m68k.h: Ditto.
15884 * config/m88k/m88k.h: Ditto.
15885 * config/mips/mips.h: Ditto.
15886 * config/pa/pa.h: Ditto.
15887 * config/pyr/pyr.h: Ditto.
15888 * config/tahoe/tahoe.h: Ditto.
15889 * config/we32k/we32k.h: Ditto.
15891 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15892 based on arch size.
15894 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15896 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15899 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15901 1999-08-02 Richard Henderson <rth@cygnus.com>
15903 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15904 for the register spill block.
15905 (m32r_va_arg): New.
15906 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15907 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15909 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15910 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15911 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15913 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15915 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15916 MAX_WCHAR_TYPE defined in sparc.h.
15917 * config/sparc/linuxaout.h: Likewise.
15918 * config/sparc/linux64.h: Likewise.
15919 Also default to -mvis if CPU is UltraSPARC.
15921 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15923 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15924 (RTX_OK_FOR_OLO10): Likewise.
15925 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15926 %lo(), allow it in addresses...
15927 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15928 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15929 does not make sense.
15930 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15931 (sparc_output_scratch_registers): New function.
15932 (output_function_prologue, sparc_flat_output_function_prologue): Use
15934 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15936 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15937 * configure.in: Add check for .register pseudo-op support in as and
15938 check for offsetable %lo().
15939 * acconfig.h: Add templates for the above checks.
15940 * configure: Regenerate.
15942 1999-08-02 Richard Henderson <rth@cygnus.com>
15944 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15945 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15946 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15948 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15950 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15953 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15955 * config/float-sparc.h: New file.
15956 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15957 sparc-*-linux-gnu and sparc64-*-linux*.
15959 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15961 * rs6000.c (rs6000_va_list): Type is an array.
15962 (rs6000_va_start): Don't doubly adjust for varargs.
15963 (rs6000_va_arg): Evaluate long long GPR adjustment.
15965 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15967 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15968 -maix64 and -maix32.
15969 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15970 LINK_SPEC): Change appropriately.
15971 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15972 (u_short_cint_operand): Likewise.
15973 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15975 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15977 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15979 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15981 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15982 for type promotion.
15983 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15984 (non_add_cint_operand): Likewise.
15985 (logical_operand): Likewise.
15986 (non_logical_cint_operand): Likewise.
15987 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15988 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15989 (rs6000_select_rtx_section): Suppress warning.
15990 (small_data_operand): Suppress warning.
15991 (rs6000_got_register): Suppress warning.
15992 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15993 type, so `J' is generally the wrong constraint for a SImode value;
15995 (andsi3_internal2): Likewise.
15996 (andsi3_internal3): Likewise.
15997 (iorsi3_internal1): Likewise.
15998 (xorsi3_internal1): Likewise.
16000 (movsf_softfloat): Likewise.
16001 (scc insns): Likewise.
16002 (movsi+2): Preserve sign bits of SImode constant.
16003 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
16004 (movdf+1): Sign-extend properly.
16005 (movdi_32+1): Sign-extend properly.
16006 (scc insns): Sign-extend properly.
16008 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
16011 1999-08-02 Richard Henderson <rth@cygnus.com>
16013 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
16014 -mcpu parsing code.
16015 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
16016 * alpha.md (all fp insns): Likewise.
16018 1999-08-02 Nick Clifton <nickc@cygnus.com>
16020 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
16023 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
16025 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
16026 pic_load_label generator directly.
16027 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
16028 No longer a named pattern.
16030 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
16032 * explow.c (force_reg): Call force_operand if X does not
16033 satisfy general_operand.
16035 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
16037 * fix-header.c (main): When testing for CONTINUED, use string
16038 equality, not pointer equality.
16040 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
16042 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
16044 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
16046 * cse.c (cse_insn): Fix loop which deletes insns after a jump
16047 that has become an unconditional jump.
16049 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
16050 (output_function_epilogue): Similarly.
16052 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16054 * tree.h (init_dummy_function_start): Declare.
16056 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16058 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
16059 last_expr_type, last_expr_value, block_start_count, block_stack,
16060 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
16061 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
16062 dynamically in stmt elt of struct function for each function.
16063 (struct nesting): Rename function_call_count elt to n_function_calls,
16064 target_temp_slot_level to block_target_temp_slot_level. All users
16066 (struct stmt_status): New structure definition.
16067 Add many accessor macros for stmt_status elements which previously
16068 were global variables.
16069 (init_stmt_for_function): Allocate stmt elt for current_function.
16070 Reflect that block_start_count was renamed to
16071 current_block_start_count.
16072 (save_stmt_status, restore_stmt_status): Delete functions.
16073 (preserve_subexpressions_p): Don't access loop_stack when outside
16075 (expand_start_bindings): Reflect that block_start_count was renamed to
16076 current_block_start_count.
16077 (expand_fixup): Likewise.
16078 (expand_decl): Don't access block_stack when outside a function.
16079 (expand_decl_cleanup): Likewise.
16080 (expand_dcc_cleanup): Likewise.
16081 (expand_dhc_cleanup): Likewise.
16082 (expand_anon_union_decl): Likewise.
16083 (set_file_and_line_for_stmt): New function.
16084 (in_control_zone_p): New function.
16086 * function.h (struct function): Add new elt stmt.
16087 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
16088 case_stack, nesting_stack, nesting_depth, block_start_count,
16089 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
16090 emit_lineno, goto_fixup_chain.
16091 (save_eh_status, restore_eh_status, save_stmt_status,
16092 restore_stmt_status): Delete declarations.
16093 * function.c (push_function_context_to): Don't call save_stmt_status.
16094 (pop_function_context_to): Don't call restore_stmt_status.
16095 * tree.h (in_control_zone_p): Declare.
16096 * rtl.h (set_file_and_line_for_stmt): Declare.
16098 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
16099 call set_file_and_line_for_stmt.
16101 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
16103 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
16104 Also update copyright.
16106 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16108 * c-pragma.c: Don't include "except.h".
16109 * emit-rtl.c: Likewise.
16110 * stor-layout.c: Likewise.
16111 * tree.c: Likewise.
16112 * varasm.c: Likewise.
16114 * flow.c: Include "function.h".
16115 * tree.h (init_dummy_function_start): Declare new function.
16117 * except.h (struct eh_status): New structure.
16118 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
16120 (eh_return_stub_label, ehstack, catchstack, ehqueue,
16121 catch_clauses, false_label_stack, caught_return_label_stack,
16122 protect_list, current_function_ehc): Add accessor macros for the
16123 corresponding fields in current_function->eh; delete declarations
16124 for all items that used to be declared here.
16125 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
16126 catch_clauses, false_label_stack, caught_return_label_stack,
16127 protect_list, current_function_ehc): Delete variables.
16128 (init_eh_for_function): Allocate current_function->eh.
16129 (save_eh_status, restore_eh_status): Delete functions.
16131 * function.h (struct function): Add fields next_global and eh.
16132 Delete all exception handling related fields.
16133 * function.c (current_function): New variable.
16134 (all_functions): New variable.
16135 (push_function_context_to): Don't allocate a struct function,
16136 use current_function instead. Call init_dummy_function_start when
16137 outside a function. Clear current_function before returning.
16138 (pop_function_context_from): Restore current_function.
16139 Don't free the restored struct function.
16140 (prepare_function_start): New function.
16141 (init_dummy_function_start): New function.
16142 (init_function_start): Break out some code into prepare_function_start
16145 * stmt.c (save_stmt_status): Don't call save_eh_status.
16146 (restore_stmt_status): Don't call restore_eh_status.
16148 * Makefile.in: Update dependencies.
16150 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
16152 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
16153 of depending on a magic constant value. Update comments.
16154 (hppa_expand_prologue): Similarly.
16156 * pa.md (reload_indi, reload_outdi): Allow any register for the
16157 original reload register.
16159 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
16161 * cccp.c (print_help): Change marcos to macros.
16163 1999-07-30 Richard Henderson <rth@cygnus.com>
16165 * c-typeck.c (initializer_constant_valid_p): Move ...
16166 * c-common.c (initializer_constant_valid_p): ... here. Use
16167 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
16168 of label addresses.
16169 * c-common.h (initializer_constant_valid_p): Declare.
16170 * c-tree.h (initializer_constant_valid_p): Remove.
16172 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
16174 * config/i386/sol2-c1.asm: Align the stack.
16175 * config/i386/sol2-gc1.asm: Likewise.
16177 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
16179 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
16180 -Asparclite for sparc86x.
16181 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
16183 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
16185 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
16187 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
16188 the user if using the non-default arch size in BI_ARCH configuration.
16189 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
16191 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
16192 Fix patterns so that they actually match.
16193 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
16194 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
16195 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
16197 (mulsidi3): Reflect this in the expand.
16198 (smulsi3_highpart): Only on TARGET_ARCH32.
16199 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
16200 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
16201 (umulsidi3): Reflect this in the expand.
16202 (umulsi3_highpart): Only on TARGET_ARCH32.
16203 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
16204 don't require g0 to be zero.
16205 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
16206 ({,u}divsi3): New expands.
16207 ({,u}divsi3_sp64): New patterns.
16208 (after lshrdi3_v8plus): Four new patterns to help combiner
16209 optimizing nested mixed mode shifts.
16211 * config/sparc/sparc.c (sparc_override_options): Use deprecated
16212 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
16213 speed things up. Don't use them by default on plain v9 in 64bit
16214 mode, according to what SPAMv9 sais.
16216 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
16217 top 32 bits of %[og][0-7] in signal handlers.
16218 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
16220 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
16222 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
16223 (ashlsi3): Corresponding changes.
16225 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
16227 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
16229 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
16231 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16233 * arm.h (Hint): Delete macro.
16234 Substitute HOST_WIDE_INT for Hint in some prototypes.
16235 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
16237 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16239 * builtins.c (expand_builtin_setjmp): Use force_operand to
16240 make sure that the buffer address is in a suitable form to be
16241 passed to force_reg.
16243 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16245 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16248 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16250 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16251 proper mode in the condition string.
16252 (icacheflush, dcacheflush): Remove modes from match_operands.
16254 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16255 proper mode before using it.
16257 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16260 * pa.c (store_reg): Do not call add_high_const generator directly.
16261 (load_reg, set_reg_plus_d): Likewise.
16262 * pa.md (add_high_const): No longer a named pattern.
16264 * pa.c (legitimize_address): Consistently use Pmode rather than
16265 SImode. Do not call gen_pic2_highpart directly anymore.
16266 * pa.md (pic2_highpart): No longer a named pattern.
16267 (pic2_lo_sum): Similarly. Reformat to make more readable.
16269 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16274 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16276 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16278 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16280 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16281 and tag the spill mems.
16282 (hppa_va_start): New.
16283 (hppa_va_arg): New.
16284 * pa.h (EXPAND_BUILTIN_VA_START): New.
16285 (EXPAND_BUILTIN_VA_ARG): New.
16287 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16289 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16290 and tag the spill mems.
16291 (mn10300_va_start): New.
16292 (mn10300_va_arg): New.
16293 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16294 (EXPAND_BUILTIN_VA_ARG): New.
16296 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16298 * mn10200.c (mn10200_va_arg): New.
16299 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16301 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16303 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16304 rather than play with TREE_INT_CST_LOW.
16306 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16308 * config/arm/telf.h: Include dbxelf.h.
16309 (CPP_PREDEFINES): Only define if not already defined.
16310 (ASM_IDENTIFY_GCC): Likewise.
16311 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16312 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16313 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16315 (DBX_DEBUGGING_INFO): Don't define.
16316 * config/arm/linux-telf.h: New file.
16317 * config/arm/linux-tgas.h: New file.
16318 * config/arm/t-thumb-linux: New file.
16319 * config/arm/uclinux-elf.h: New file.
16320 * config/arm/uclinux-telf.h: New file.
16321 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16322 thumb-*-uclinux): New targets.
16323 * configure: Regenerate.
16325 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16327 * pa.md (post_store, pre_load): New expanders.
16328 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16329 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16330 need to directly generate RTL for them.
16331 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16334 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16336 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16337 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16338 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16339 (secndary_reload_class): Make TARGET_ELF conditional compile.
16340 (print_operand_address): Similar.
16341 (output_toc): Print all values as hex.
16342 (get_issue_rate): Rearrange and add RS64A and PPC630.
16343 * rs6000.h (processor_type): Add RS64A and PPC630.
16344 (PROCESSOR_POWERPC64): New.
16345 (PROMOTE_MODE): Use word_mode.
16346 (RTX_COSTS): Add RS64A and PPC630.
16347 * rs6000.md (scheduling information): Add lmul and ldiv
16348 representing 64-bit integer multiply and divide. Add rs64a and
16349 PPC630 information.
16350 (ashldi3): Add support for "rldic" instruction.
16351 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16353 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16355 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16356 instead of V8 for sparclite86x in cpu_table.
16358 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16360 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16361 output_file_directive.
16363 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16365 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16366 tree for op1, not the rtl.
16368 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16370 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16371 to m88k_va_start, leaving only the register spill.
16372 (m88k_build_va_list): New.
16373 (m88k_va_start): New.
16374 (m88k_va_arg): New.
16375 * m88k.h (BUILD_VA_LIST_TYPE): New.
16376 (EXPAND_BUILTIN_VA_START): New.
16377 (EXPAND_BUILTIN_VA_ARG): New.
16379 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16381 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16382 Rename from expand_builtin_saveregs.
16383 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16385 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16387 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16388 for the register spill block.
16389 (i960_build_va_list): New.
16390 (i960_va_start): New.
16391 (i960_va_arg): New.
16392 * i960.h (BUILD_VA_LIST_TYPE): New.
16393 (EXPAND_BUILTIN_VA_START): New.
16394 (EXPAND_BUILTIN_VA_ARG): New.
16395 * i960.md (store_multiple): Use change_address on individul mems.
16397 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16399 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16401 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16402 (expand_builtin_va_end): Evaluate arg for side effects.
16403 * c-common.c (c_common_nodes_and_builtins): Construct a
16404 va_list_arg_type_node to handle array decomposition to pointer.
16406 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16408 * except.c (start_dynamic_cleanup): Use force_operand on the
16411 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16413 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16414 * c4x.c (c4x_va_arg): New.
16416 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16418 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16419 has manual_pop set.
16421 1999-07-26 Nathan Sidwell <nathan@acm.org>
16423 * eh-common.h (__eh_matcher): Prototype correctly.
16425 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16427 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16428 (TARGET_SINGLE_PIC_BASE): Likewise.
16429 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16431 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16432 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16433 (TARGET_OPTIONS): Add -mpic-register=N.
16434 (OUTPUT_INT_ADDR_CONST): New macro.
16435 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16436 LEGITIMATE_PIC_OPERAND_P): Likewise.
16437 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16438 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16439 output_addr_const directly.
16440 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16442 (thumb_pic_register, thumb_pic_register_string): Declare.
16444 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16446 (label_mentioned_p): New function: Imported from arm.c.
16447 (legitimize_pic_address): New function: Imported from arm.c.
16448 (is_pic):New function: Imported from arm.c.
16449 (thumb_finalize_pic):New function: Imported from arm.c.
16450 (add_constant): Cope with PIC constants.
16451 (fixit): Cope with PIC constants.
16452 (output_return): Do not treat the PIC register as live if
16453 TARGET_SINGLE_PIC_BASE is true.
16454 (thumb_function_prologue): Do not treat the PIC register as live if
16455 TARGET_SINGLE_PIC_BASE is true.
16456 (thumb_expand_prologue): Do not treat the PIC register as live if
16457 TARGET_SINGLE_PIC_BASE is true.
16458 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16459 TARGET_SINGLE_PIC_BASE is true.
16460 (thumb_print_operand): Accept '|'.
16461 (thumb_override_options): Process PIC options.
16463 * config/arm/thumb.md (movsi): Support PIC.
16464 (call_insn): Change "i" constraint to "X".
16465 (call_value_insn): Likewise.
16466 (consttable_4, consttable_8, consttable_end): Set and clear
16467 "making_const_table" as appropriate.
16468 (pic_load_addr, pic_add_dot_plus_four): New insns.
16470 * invoke.texi (Thumb Options): Fix spelling. Document new
16471 options -msingle-pic-base and -mpic-register=.
16473 1999-07-26 Andrew Haley <aph@cygnus.com>
16475 * config/m32r/initfini.c (__init): Use a full word immediate for
16476 __fini: this allows it to be placed in any memory region.
16478 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16479 -mmodel=medium. This is OK for all memory models.
16481 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16483 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16484 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16486 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16488 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16491 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16493 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16495 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16496 (BUILD_VA_LIST_TYPE): New.
16497 (EXPAND_BUILTIN_VA_START): New.
16498 (EXPAND_BUILTIN_VA_ARG): New.
16499 * i860.c (output_delayed_branch): Disable.
16500 (output_delay_insn): Likewise.
16501 (i860_saveregs): New.
16502 (i860_build_va_list): New.
16503 (i860_va_start): New.
16504 (i860_va_arg): New.
16505 * i860.md: Disable all peepholes using output_delayed_branch.
16506 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16508 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16510 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16511 (BUILD_VA_LIST_TYPE): New.
16512 (EXPAND_BUILTIN_VA_START): New.
16513 (EXPAND_BUILTIN_VA_ARG): New.
16514 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16515 Return the address of the save area.
16516 (clipper_build_va_list): New.
16517 (clipper_va_start): New.
16518 (clipper_va_arg): New.
16520 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16522 * arc.h (EXPAND_BUILTIN_VA_START): New.
16523 (EXPAND_BUILTIN_VA_ARG): New.
16524 * arc.c (arc_setup_incoming_varargs): Set alias set of
16526 (arc_va_start): New.
16529 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16531 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16532 (BUILD_VA_LIST_TYPE): New.
16533 (EXPAND_BUILTIN_VA_START): New.
16534 (EXPAND_BUILTIN_VA_ARG): New.
16535 * alpha.c (alpha_builtin_saveregs): Delete.
16536 (alpha_build_va_list): New.
16537 (alpha_va_start): New.
16538 (alpha_va_arg): New.
16540 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16542 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16544 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16545 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16547 * gcc.texi: More changes related to list conversion.
16548 * invoke.texi: Likewise.
16550 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16552 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16553 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16554 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16555 (stabilize_va_list): New function.
16556 (std_expand_builtin_va_start): New function.
16557 (expand_builtin_va_start): New function.
16558 (get_varargs_alias_set): New function.
16559 (std_expand_builtin_va_arg): New function.
16560 (expand_builtin_va_arg): New function.
16561 (expand_builtin_va_end): New function.
16562 (expand_builtin_va_copy): New function.
16563 (expand_builtin): Call them.
16564 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16565 __builtin_{varargs_start,stdarg_start,end,copy}.
16566 (build_va_arg): New function.
16567 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16568 (build_va_arg): Declare.
16569 * c-decl.c (ptr_type_node, va_list_type_node): New.
16570 * c-parse.gperf (__builtin_va_arg): New.
16571 * c-parse.in (VA_ARG): New token.
16572 (unary_expr): Recognize it.
16573 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16574 * expr.h (std_expand_builtin_va_start): Declare.
16575 (std_expand_builtin_va_arg): Declare.
16576 (expand_builtin_va_arg): Declare.
16577 (get_varargs_alias_set): Declare.
16578 * tree.def (VA_ARG_EXPR): New.
16579 * tree.h (BUILT_IN_VARARGS_START): New.
16580 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16581 (ptr_type_node, va_list_type_node): Declare.
16582 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16583 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16584 * m88k.h, m88k.c: Likewise.
16585 * mn10300.h, mn10300.c: Likewise.
16586 * pa.h, pa.c: Likewise.
16587 * rs6000.h, rs6000.c: Likewise.
16588 * sh.h, sh.c: Likewise.
16589 * sparc.h, sparc.c: Likewise.
16591 * emit-rtl.c (operand_subword): Copy alias set.
16592 (change_address): Likewise.
16594 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16596 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16597 not just the first one.
16599 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16601 * config/arm/arm.h (TARGET_SWITCHES): Add
16602 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16603 (TARGET_OPTIONS): Add -mpic-register=.
16604 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16605 (arm_pic_register_string): Declare.
16606 (NEED_PLT_GOT): Delete, replace with ...
16607 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16608 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16609 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16610 * config/arm/arm.c (arm_override_options): Add new option
16612 (arm_pic_register_string): New variable.
16613 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16614 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16615 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16616 (output_return_instruction): Likewise.
16617 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16618 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16619 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16621 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16622 mention of -msched-prolog. Document new options -msingle-pic-base
16623 and -mpic-register=.
16625 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16627 * haifa-sched.c (reemit_notes): Tidy.
16628 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16631 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16633 * explow.c (trunc_int_for_mode): New function.
16634 (plus_constant_wide): Use it.
16635 * combine.c (simplify_and_const_int): Likewise.
16636 (merge_outer_ops): Likewise.
16637 (simplify_shift_const): Likewise.
16638 * cse.c (simplify_unary_operation): Likewise.
16639 (simplify_binary_operation): Likewise.
16640 * emit-rtl.c (operand_subword): Likewise.
16641 * rtl.h: Declare it.
16643 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16645 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16646 (use NUM_REGS instead of NUM_INTS).
16648 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16650 * builtins.c: New file.
16651 * expr.c (saveregs_value, apply_args_value): Delete definition,
16652 moved into builtins.c.
16653 (string_constant): No longer static.
16654 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16655 apply_args_size, apply_result_size, result_vector,
16656 expand_builtin_apply_args, expand_builtin_apply,
16657 expand_builtin_return): Delete functions, moved into builtins.c.
16658 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16659 * expr.h (saveregs_value, apply_args_value): Declare variables.
16660 (expand_builtin, string_constant): Declare functions.
16661 * Makefile.in: Update to build builtin.o.
16663 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16665 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16666 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16667 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16668 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16670 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16673 1999-07-21 Michael Meissner <meissner@cygnus.com>
16675 * print-rtl.c (print_rtx): Print the names of the virtual
16678 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16680 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16681 introduced in previous delta.
16683 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16685 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16686 to avoid name clash.
16688 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16690 * c-lex.c (yylex) : Correct the test for overflow when lexing
16693 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16695 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16696 (adjust_priority): Always call ADJUST_PRIORITY.
16697 (schedule_insn): Only put insns into the ready at cost 0.
16698 (schedule_block): Remove redundant initial sort. Give clock_var
16699 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16701 * tm.texi (MD_SCHED_REORDER): Update docs.
16703 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16704 * sparc.c (ultra_reorder_called_this_block): Delete.
16705 (ultrasparc_sched_init): Don't set it.
16706 (ultrasparc_sched_reorder): Don't check it.
16708 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16710 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16711 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16712 (function_arg_boundary): Align DFmode.
16713 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16714 to get fp reg and stack overflow correct.
16715 (function_arg): Likewise.
16716 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16717 (setup_incoming_varargs): Restructure for ABI_V4; use
16718 function_arg_advance to skip final named argument.
16719 (expand_builtin_saveregs): Properly unskip the last integer arg
16720 when doing varargs. Adjust overflow location calculation.
16722 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16723 explicitly unsigned.
16724 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16725 (__VA_GP_REGSAVE): Similarly.
16726 (__va_longlong_p): Delete.
16727 (__va_arg_type_violation): New declaration.
16728 (va_arg): Restructure. Flag promotion errors. Align double.
16729 TFmode passed by reference.
16731 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16732 in the HOST_BITS_PER_WIDE_INT > 32 case.
16734 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16736 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16738 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16740 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16741 * toplev.c (documented_lang_options): Add -fpreprocessed.
16742 * cpplib.h (struct cpp_buffer): Add preprocessed.
16743 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16744 (cpp_start_read): Don't expand macros or emit an initial #line
16745 directive if -fpreprocessed.
16747 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16749 * cpplib.h (struct cpp_buffer): Added manual_pop for
16750 better C++ tokenization.
16751 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16752 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16753 * c-common.c (cpp_token): Make non-static.
16755 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16757 * c-common.h: New file.
16758 * c-common.c (permanent_obstack): Delete unused declaration.
16759 (c_global_trees): New array.
16760 (c_common_nodes_and_builtins): New function; split off common code
16761 from init_decl_processing in both c-decl.c and cp/decl.c.
16762 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16763 c_global_trees and accessor macros defined in c-common.h.
16764 Include c-common.h.
16765 * c-decl.c: Delete definitions for tree nodes that were replaced by
16767 (init_decl_processing): Build void_list_node.
16768 Call c_common_nodes_and_builtins; delete code to generate the common
16770 * objc/objc-act.c (build_module_descriptor): Rename variable
16771 void_list_node to avoid clash with c-common.h.
16773 * Makefile.in: Update dependencies.
16774 * objc/Make-lang.in: Likewise.
16776 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16778 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16779 (UNIQUE_SECTION_P): Likewise.
16780 (UNIQUE_SECTION): Likewise.
16782 1999-07-19 Linas Vepstas <linas@linas.org>
16784 * config/i370/README: New file.
16785 * config/i370/linux.h: New file.
16786 * config/i370/mvs.h: New file.
16787 * config/i370/oe.h: New file.
16788 * config/i370/t-linux: New file.
16789 * config/i370/t-mvs: New file.
16790 * config/i370/t-oe: New file.
16791 * config/i370/x-oe: New file.
16792 * config/i370/xm-linux.h: New file.
16793 * config/i370/xm-mvs.h: New file.
16794 * config/i370/xm-oe.h: New file.
16796 * i370.c (label_node_t): Add first_ref_page, label_addr,
16797 label_first_ref, label_last_ref members.
16798 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16799 (MAX_MVS_LABEL_SIZE): Define.
16800 (MAX_LONG_LABEL_SIZE): Define.
16801 (alias_node_t, alias_anchor, alias_number): New.
16802 (mvs_function_table): Reorder for EBCDIC.
16803 (ascebc, ebcasc): Unconditionally define.
16804 (i370_branch_dest, i370_branch_length): New functions.
16805 (i370_short_branch, i370_label_scan): New functions.
16806 (mvs_get_label): Renamed from mvs_add_label. Search for
16807 an existing label before creating a new one.
16808 (mvs_add_label): New function.
16809 (mvs_get_label_page): New function.
16810 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16811 over the entire list.
16812 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16813 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16814 (mvs_add_alias, mvs_need_alias): New functions.
16815 (mvs_get_alias, mvs_check_alias): New functions.
16816 (handle_pragma): New function.
16817 (mvs_function_check): New function.
16818 (unsigned_jump_follows_p): Search harder.
16819 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16820 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16821 * i370.h (TARGET_VERSION): Delete.
16822 (CPP_SPEC, CPP_PREDEFINES): Delete.
16823 (mvs_label_emitted): Delete.
16824 (TARGET_EBCDIC): Delete.
16825 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16826 (HANDLE_PRAGMA): Define.
16827 (HARD_REGNO_NREGS): Handle complex modes.
16828 (HARD_REGNO_MODE_OK): Likewise.
16829 (CLASS_MAX_NREGS): Likewise.
16830 (RET_REG): Likewise.
16831 (EXTRA_CONSTRAINT): Define.
16832 (RETURN_IN_MEMORY): True for DImode.
16833 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16834 (FUNCTION_PROFILER): Delete.
16835 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16836 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16837 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16838 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16839 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16840 (ASM_FILE_START): Add "RMODE ANY".
16841 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16842 (ASM_GLOBALIZE_LABEL): Likewise.
16843 (ASM_OUTPUT_LABELREF): Likewise.
16844 (ASM_OUTPUT_COMMON): Likewise.
16845 (PRINT_OPERAND): Handle 'K', 'W', default.
16846 (PRINT_OPERAND_ADDRESS): New.
16847 (Lots of defines): Add support for TARGET_ELF_ABI.
16848 * i370.md (attr length): New. Define for all patterns.
16849 (*): Lots of tweeks to assembly output and constraints.
16851 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16853 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16854 Disable patterns performing SImode comparisons with SImode values
16855 if TARGET_POWERPC64 and instruction does not sign-extend or does
16856 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16857 differ for signed quantities.
16858 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16859 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16860 (decrement_and_branch_on_count): Add 64-bit variant.
16862 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16864 * final.c (output_asm_insn): When searching for the matching string
16865 for a given dialect, don't run past the end of the list of
16866 alternatives if there are fewer alternatives in the template than
16869 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16871 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16872 Removed paragraph about compression of files and size limitation,
16873 duplicated in the FAQ. Use gcc-patches for posting patches.
16874 * gcc.c (main): Updated URL with bug reporting instructions to
16875 gcc.gnu.org. Removed e-mail address.
16876 * system.h (abort): Likewise.
16878 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16880 * Makefile.in (stmp-multilib-sub): Make the files extracted
16881 from $(LIBGCC1) writable.
16883 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16885 * config/arm/aout.h: Reformat for improved readability.
16887 * config/arm/arm.h: Reformat for improved readability.
16888 Replace uses of fprintf with asm_fprintf where appropriate.
16889 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16890 function declaration assembler actions.
16891 (NUM_INTS): New macro: Convert from bytes to words.
16892 (NUM_REGS): New macro: Compute number of registers required to
16893 hold a quanitity of tyep MODE.
16894 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16896 (NUM_ARG_REGS): New macro: The number of argument registers
16898 (ARG_REGISTER): New macro: Compute the register number of the Nth
16900 (LAST_ARG_REGNUM): New macro: The number of the last argument
16902 (SP_REGNUM): New macro: Register number of the stack pointer.
16903 (FP_REGNUM): New macro: Register number of the frame pointer.
16904 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16905 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16906 CUMULATIVE_ARGS so that it counts registers not bytes.
16908 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16910 Replace uses of fprintf with asm_fprintf where appropriate.
16911 (output_ascii_pseudo_op): Replace with version from thumb.c
16913 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16915 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16916 SUBTARGET_CPP_SPEC.
16917 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16918 (ASM_FILE_START): Emit ASM_APP_OFF.
16920 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16922 * pa.c (compute_frame_size): Round frame according to
16923 STACK_BOUNDARY rather than a hardwired value.
16925 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16927 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16929 * configure: Rebuilt.
16931 * configure.in (hppa*-*-linux*): New configuration.
16932 * configure: Rebuilt.
16933 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16934 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16935 * pa/pa-linux.h: New file.
16936 * pa/t-linux: New file.
16937 * pa/xm-linux.h: New file.
16939 * pa.c (hppa_legitimize_address): Change references from SImode to
16940 either Pmode or word_mode as appropriate.
16941 (emit_move_sequence, store_reg, load_reg): Likewise.
16942 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16943 (output_mul_insn): Likewise.
16944 * pa.h (PROMOTE_MODE): Likewise.
16945 (INITIALZE_TRAMPOLINE): Likewise.
16946 (Pmode): Define to word_mode.
16948 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16949 value of 4. Allocate 8 bytes for each FP register save.
16950 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16952 (hppa_expand_prologue): Likewise.
16953 * pa.h (PROMOTE_MODE): Likewise.
16954 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16955 (FUNCTION_ARG_BOUNDARY): Likewise.
16957 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16959 * pa.c (out_of_line_prologue_epilogue): Delete.
16960 (override_options): Remove -mspace related code.
16961 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16962 (compute_frame_size): Only allocate space for register that
16963 actually need to be saved.
16964 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16965 (TARGET_SWITCHES): Remove -mspace, -mno-space
16966 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16967 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16968 * pa/ee.asm, pa/ee_fp.asm: Delete.
16970 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16972 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16973 directive in column zero.
16975 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16977 * m68k.c (output_function_prologue): Fix computation of save mask
16978 when generating PIC code.
16980 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16982 * tree.c (build_type_attribute_variant): Move current_obstack restore
16983 after build_qualified_type call.
16985 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16987 * configure.in: Use t-iris6, even with GNU LD.
16988 * config/mips/iris6gld.h: Fix typo in linker spec.
16989 * config/mips/t-iris6gld: Remove.
16991 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16993 * rs6000.md (insv, extzv): Remove SImode dependence in named
16994 patterns. Explicitly generate DImode RTL if PowerPC64 and
16996 (insvdi): Reverse start and size in instruction template.
16998 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
17000 * invoke.texi: Typo fixes.
17002 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
17004 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
17005 handle at this time instead of silently generating incorrect code.
17006 (gen_imagpart): Likewise.
17008 * reload.c (find_reloads): Emit a USE for a pseudo register without
17009 a hard register if we could not create an optional reload for the
17012 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17014 * c-typeck.c (output_init_element, process_init_element):
17015 When advancing constructor_unfilled_fields for a RECORD_TYPE,
17016 check for nameless bit fields.
17018 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
17020 * regclass.c (scan_one_insn): Notice subregs that change the
17021 size of their operand.
17022 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
17024 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
17026 * configure.in (alpha*-*-*): Include alpha/t-ieee.
17027 * configure: Rebuilt.
17028 * alpha/t-ieee: New file.
17030 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
17032 * rs6000.c (find_addr_reg): Do not select r0 as an address
17035 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
17037 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
17039 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
17041 * rs6000.md (movsf): Do not force easy FP constants into memory.
17043 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
17044 immed_double_const to ensure they are properly truncated then
17047 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17049 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
17050 always unless NO_DEBUG is used. Compile this code
17052 (replace_symbols_in_block): Compile it unconditionally.
17054 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
17056 * configure.in (i?86-*-elf*): New target.
17057 * configure: Rebuilt.
17058 * i386/i386elf.h, i386/t-i386elf: New files.
17060 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17062 * toplev.c (main): Don't complain about saying -gdwarf.
17063 (rest_of_compilation): Remove redundant code.
17065 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
17067 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
17069 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
17071 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
17072 "Li960R:", to avoid name clash.
17074 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17076 * loop.c (check_dbra_loop): When reversing a loop, delete all
17077 REG_EQUAL notes referencing the reversed biv except those which are
17078 for a giv based on it.
17080 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
17082 * version.c: Drop "gcc-" prefix from version #.
17084 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
17086 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
17087 the label if we're being verbose.
17089 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
17091 * m68k.c (output_function_prologue): Add pic register to mask
17092 if live and flag_pic.
17093 (output_function_epilogue): Likewise.
17095 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
17097 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
17098 directives in column zero.
17100 * pa/elf.h (ASM_FILE_START): Define.
17101 * pa/som.h (ASM_FILE_START): Include .level directives.
17102 * pa/hpux10.h (ASM_FILE_START): Delete.
17103 * pa/hpux11.h (ASM_FILE_START): Delete.
17105 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
17107 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17109 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
17110 when reload_out equals reload_in.
17112 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
17114 * invoke.texi (Spec Files): New node: Describe the contents of
17117 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
17119 * invoke.texi (DEC Alpha Options): Put @end table at
17120 beginning of line, to avoid confusing texi2html.
17122 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
17124 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
17125 introduced in previous delta.
17127 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17129 * reload1.c (gen_reload): When synthesizing a 3 operand add
17130 sequence, improve test for when to reload OP1 into the reload
17131 register instead of OP0.
17133 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
17135 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
17137 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
17139 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
17142 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
17144 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
17145 (va_dcl): Use __builtin_va_alist_t.
17147 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
17149 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
17150 on the permanent_obstack.
17151 * dwarfout.c (output_type): Likewise.
17153 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
17155 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17156 Merged from c-typeck.c and cp/typeck.c.
17157 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17158 Merged into c-common.
17160 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
17162 * c-lex.c (errorcount): Declare it.
17163 (finish_parse): Update errorcount when using CPPLIB.
17165 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
17167 * fixinc/inclhack.def(end_else_label): Double the backslash so
17168 sed gets a chance to see it.
17169 * fixinc/inclhack.sh: regen
17170 * fixinc/fixincl.x: regen
17172 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
17174 Add framework to support armv5 architecture when it becomes
17177 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
17178 (arm_arch5): New variable.
17179 (all_architectures): Add armv5 line.
17180 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
17181 -march=armv5 is specified on the command line.
17182 (arm_arch5): Export this variable.
17183 * invoke.texi: Document new string accepted by -march= switch for
17186 * config/arm/arm.h: Replace use of constant 12 as a register
17187 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17188 * config/arm/arm.c: Replace use of constant 12 as a register
17189 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17191 * config/arm/elf.h: Tidy up.
17192 * config/arm/coff.h: Tidy up.
17194 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
17196 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
17197 * gcc/config/mips/t-iris6gld: New file.
17198 * gcc/config/mips/iris6gld.h: Likewise.
17200 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
17202 * c-decl.c (widest_integer_literal_type_node,
17203 widest_unsigned_literal_type) : New.
17204 (init_decl_processing): Handle/use the two new types.
17205 * c-common.c (type_for_size,type_for_mode) : Same.
17206 * c-lex.c (yylex) : Same.
17207 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17209 * c-tree.h (widest_integer_literal_type_node,
17210 widest_unsigned_literal_type) : New.
17212 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
17214 * dwarfout.c (field_byte_offset): Correctly compute the object's
17215 byte offset for the first bit of a field which crosses an alignment
17216 boundary on a !BYTES_BIG_ENDIAN target.
17218 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
17220 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
17223 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
17224 Jeff Law <law@cygnus.com>
17226 * ginclude/varargs.h (va_dcl): Use word_mode for type of
17229 * except.c: Include intl.h.
17230 (expand_eh_return): Set current_function_cannot_inline.
17231 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
17232 * function.h (struct function): Add eh_return_stub_label.
17233 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
17234 * Makefile.in (except.o): Depend on intl.h.
17236 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17238 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17239 same as offsettable in cases 1 and 2.
17241 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17243 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17244 (extlh, extwh): Likewise.
17246 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17248 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17250 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17252 * configure.in: Add arm-pe and thumb-pe targets.
17253 * configure: Regenerate.
17255 * thumb.c (arm_naked_function_p): New function: Determines if
17256 a function is naked (has no gcc generated prologue/epilogue).
17257 (is_called_in_ARM_mode): Return true if the func has the
17258 interfacearm attribute.
17259 (output_return): Do not generate a return for naked functions.
17260 (thumb_function_prologue): Do not generate a prologue for
17262 (thumb_expand_prologue): Do not generate a prologue for naked
17264 (thumb_expand_epilogue): Do not generate an epilogue for naked
17266 (arm_valid_machine_decl_attribute): New function, copied from
17267 arm.c: Permit naked and interfacearm attributes.
17269 * config/arm/pe.c: New file: Support code for arm-pe target.
17270 * config/arm/pe.h: New file: Header file for arm-pe target.
17271 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17272 * config/arm/t-thumb-pe: New file: Makefile fragment for
17275 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17277 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17278 -fPIC or -fpic is specified.
17280 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17282 * expr.c (emit_block_move): Use copy_to_mode_reg for
17283 !TARGET_MEM_FUNCTIONS case too.
17285 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17287 * configure: Rebuilt.
17288 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17289 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17290 definitions made redundant by dbxelf.h inclusion. Delete
17291 lots of definitions related to assembly output that are
17292 specific to the SOM object format.
17293 * pa.c (output_function_prologue): Do not emit the function's
17295 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17296 * pa-pro.h: Deleted.
17297 * som.h: New file with SOM specific definitions.
17298 * elf.h: New file with ELF specific definitions.
17300 * elfos.h (const_section): Output a tab before assembler directives.
17301 (ctors_section, dtors_section): Likewise.
17302 (ASM_OUTPUT_SECTION_NAME): Likewise.
17304 * pa/pa1.h: Delete unused file.
17306 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17308 * configure.in (hppa*-hp-hpux11*): New configuration.
17309 * configure: Rebuilt.
17310 * pa/pa-hpux11.h: New file.
17311 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17314 * mips.md (leasi, leadi): New patterns.
17316 * expr.c (emit_block_move): Properly handle case where one of the
17317 block move arguments has a queued increment or decrement.
17318 (clear_storage): Similarly. Fix formatting goof.
17320 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17322 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17323 semicolon from the BSD VA_LIST replacement expression.
17325 * fixinc/inclhack.sh: regen
17326 * fixinc/fixincl.x: regen
17328 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17329 now use the fixincl program.
17331 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17333 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17334 case. Also make the PIC register call_used.
17336 * m68k.h (FINALIZE_PIC): Delete.
17337 * m68k.c (finalize_pic): Delete.
17339 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17341 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17344 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17346 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17348 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17350 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17352 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17354 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17356 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17358 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17360 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17362 * rs6000.c (output_toc): Always use hex values for floating-point
17363 constants. Store single-precision values in upper-half of TOC
17364 entry in 64-bit mode.
17365 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17366 to final constraints.
17367 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17368 (fctiwz): Improve accuracy of RTL for pattern.
17370 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17372 * expr.c (expand_expr): Allow RTL_EXPR's through the
17373 MAX_INTEGER_COMPUTATION_MODE checks.
17375 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17377 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17378 such that MASK_SUPPORT_ARCH is not negative.
17380 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17382 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17383 ADDR_DIFF_VEC insns that appear inside loops.
17385 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17386 Jeff Law <law@cygnus.com>
17388 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17389 Handle LO_SUM the same as offsettable in cases 1 and 2.
17390 * rs6000.c (find_addr_reg): Revert previous patch.
17392 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17394 * system.h (strstr): New external function declaration.
17395 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17396 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17397 * config.in, configure: Rebuilt.
17399 1999-06-24 Tom Tromey <tromey@cygnus.com>
17401 * gcc.c (main): Read user-specified specs files after computing
17402 additional startfile_prefixes.
17404 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17406 Revert these two patches:
17408 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17409 * loop.c (strength_reduce): When doing biv->giv conversion, update
17410 reg note of NEXT->insn.
17412 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17413 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17415 (recombine_givs): Set ix field after sorting.
17417 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17419 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17420 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17422 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17424 *fixinc/inclhack.def: Add fix development commentary
17425 (read_ret_type): reactivate and add selection clause
17426 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17427 *fixinc/{fixincl.x|inclhack.sh}: regen
17429 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17431 * expr.c (expand_expr): STRIP_NOPS before checking against
17432 MAX_INTEGER_COMPUTATION_MODE
17433 (check_max_integer_computation_mode): Likewise.
17435 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17437 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17439 1999-06-22 Jim Wilson <wilson@cygnus.com>
17441 * expr.c (store_expr): When target is a promoted subreg, return a
17442 promoted subreg as a result.
17444 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17446 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17448 (dwarf2out_define): Mark unused parameters appropriately.
17449 (gen_unspecified_parameters_die): Ditto.
17450 (gen_subprogram_die): Fix signed/unsigned warnings.
17451 (gen_variable_die): Ditto.
17453 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17455 * fixinc/inclhack.def(end_else_label): combined else_label
17456 and endif_label and fixed the sed expression.
17457 *fixinc/{fixincl.x|inclhack.sh}: regen
17459 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17461 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17462 'x' when handling non-offsettable addresses
17464 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17466 * final.c (shorten_branches): Don't try to split an insn that has
17469 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17471 * config/mips/mips.c (symbolic_expression_p): New function.
17472 (mips_select_rtx_section): Put symbolic expressions in the
17473 data section, not the read-only data section.
17475 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17477 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17479 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17481 * collect2.c (main): Log frame table count.
17482 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17483 (scan_prog_file) [COFF]: Handle frame tables.
17485 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17486 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17487 * alpha/elf.h: Undef them again.
17488 * alpha/vms.h: Remove their definitions.
17490 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17492 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17493 remove the clobber of r0 and change the REG_UNUSED note to
17496 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17498 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17499 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17500 fits in HOST_WIDE_INT and one uses union to access a long constant
17503 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17505 * sparc.c (sparc_override_options): Don't allow profiling for
17506 code models other than medlow.
17507 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17508 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17509 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17510 (sparc_block_profiler): Likewise.
17511 (sparc_function_block_profiler_exit): Likewise.
17512 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17513 (FUNCTION_BLOCK_PROFILER): Likewise.
17514 (BLOCK_PROFILER): Likewise.
17515 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17516 (MCOUNT_FUNCTION): New.
17517 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17518 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17519 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17520 (MCOUNT_FUNCTION): New.
17521 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17522 (BLOCK_PROFILER): Delete.
17523 (MCOUNT_FUNCTION): New.
17525 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17527 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17529 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17531 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17534 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17537 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17540 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17543 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17545 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17548 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17550 * i386/djgpp.h (LIB_SPEC): New.
17551 (STARTFILE_SPEC): New.
17553 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17555 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17557 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17560 * system.h (WSTOPSIG): New macro.
17562 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17564 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17566 (insert_pack_attributes): Take into account member natural
17569 * i386/winnt.c (exports_head): New static variable.
17570 (i386_pe_record_exported_symbol): New function.
17571 (i386_pe_asm_file_end): Use.
17572 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17573 symbols to be emitted at end of assembly.
17574 (ASM_DECLARE_OBJECT_NAME): Likewise.
17575 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17577 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17580 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17582 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17585 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17587 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17588 zapping reg_last_uses directly.
17589 (sched_analyze_2, sched_analyze_insn): Likewise.
17590 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17592 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17594 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17595 attributes for cases 1 and 2.
17597 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17599 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17602 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17604 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17606 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17608 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17609 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17610 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17611 must be stacked if it is used for PIC accesses.
17612 * arm.c (use_return_insn): Handle PIC register specially.
17613 (output_return_instruction): Likewise.
17614 (output_func_{prologue,epilogue}): Likewise.
17615 (output_expand_prologue): Likewise.
17617 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17618 (*strsi_predec): Renamed from *strqi_predec.
17619 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17620 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17622 * arm.c (arm_override_options): Remove warning about PIC code
17623 not being supported.
17625 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17627 * rs6000.c (find_addr_reg): New function.
17628 * rs6000.h (find_addr_reg): Declare.
17629 (offsettable_addr_operand): Delete.
17630 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17631 from and stores to GPRs.
17633 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17635 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17636 gen_sequence as argument to emit_no_conflict_block.
17638 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17640 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17641 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17642 *fixinc/fixincl.x: regen
17643 *fixinc/inclhack.sh: regen
17645 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17647 * added support for -mpcrel (PC relative addressing for m68k)
17648 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17649 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17650 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17651 (comments for general_src_operand): Add some explanation
17652 about EXTRA_CONSTRAINTS.
17653 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17654 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17655 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17656 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17657 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17658 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17659 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17660 if not already set.
17661 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17662 * m68k.h (TARGET_PCREL): New target flag.
17663 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17664 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17665 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17666 contains a SYMBOL_REF. Relax this constraint during reload, since
17667 we want to use the predicates, not reload's built-in concept of a
17668 valid memory address, to control what insns need reloading.
17669 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17670 operands (essentially 'g', 'm', and 's' under normal circumstances).
17671 * m68k.c (print_operand): Cause printing of pc-relative addresses
17672 to include pc register.
17673 (print_operand_address): Ditto.
17674 (general_src_operand): Accept operands that are not only
17675 general_operands, but are also valid when used as a pc-relative
17677 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17678 (memory_src_operand): Similar, for memory_operands.
17679 (pcrel_address): New predicate to accept the special case of a
17680 pc-relative address.
17681 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17682 QImode insns to accept *_src_operand instead of *_operand where
17683 pc-relative operands can fit. For example, a pc-relative operand
17684 can be used as a memory source operand for addsi3, but not as a
17685 memory destination.
17686 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17688 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17690 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17691 .thumb_set pseudo op to mark aliases of thumb functions.
17693 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17695 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17696 preference to ASM_OUTPUT_DEF, if it is defined.
17698 * tm.texi: Document new, optional target macro
17699 ASM_OUTPUT_DEF_FROM_DECLS.
17701 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17703 * fixincludes: ISCNTL patch
17704 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17705 (dgux_int_varargs): new for DG/UX
17706 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17708 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17710 * invoke.texi (ia32 options): Fix typo.
17712 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17714 * loop.c (strength_reduce): When doing biv->giv conversion, update
17715 reg note of NEXT->insn.
17717 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17719 * loop.c (move_movables): Note issues with replacing REGs with
17721 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17723 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17725 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17727 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17728 the reference to `mcount' was not correct for the ELF on FreeBSD.
17730 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17732 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17735 (recombine_givs): Set ix field after sorting.
17737 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17739 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17740 to safe to extract a subword out of a REG.
17742 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17744 * sh.md (mulsi3): Don't add a no-op move at the end.
17746 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17748 * cse.c (cse_insn): Don't put hard register source into tables for
17749 the last insn of a libcall.
17751 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17753 * loop.c (strength_reduce): Insert sets of derived givs at every
17754 biv increment, even if it's the only one.
17756 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17758 * dwarfout.c (add_incomplete_type): New fn.
17759 (output_type): Call it.
17760 (retry_incomplete_types): New fn.
17761 (dwarfout_finish): Call it.
17763 From Eric Raskin <ehr@listworks.com>:
17764 (output_type): Output types for bases.
17766 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17768 * mips.c (mips_output_conditional_branch): Add `break'
17769 between `default' label and `close braces'.
17771 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17773 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17774 specifications and make it realistic.
17775 (LIB_SPEC): Likewise.
17777 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17779 * config/mips/mips.c (mips_secondary_reload_class): Check for
17780 (PLUS (SP) (REG)) and return appropriate register class.
17781 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17782 Handle (PLUS (SP) (REG)).
17783 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17784 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17785 of emit_insn for tablejump.
17787 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17789 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17790 asm_fprintf format string by itself.
17791 (output_function_profiler): Likewise.
17793 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17795 * combine.c (simplify_logical, case AND): Only call
17796 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17797 or the constant is positive.
17799 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17801 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17802 * configure: Regenerate.
17804 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17806 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17807 require a sub-version #.
17808 * configure: Rebuilt.
17810 1999-06-14 Robert Lipe (robertlipe@usa.net)
17812 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17814 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17816 * c-typeck.c (process_init_element): Detect excess elements in
17817 char array initializer.
17819 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17821 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17823 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17825 * invoke.texi (Option Summary): Add -fpermissive flag.
17827 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17829 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17830 that require PIC code sequences.
17832 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17834 * configure.in: Add new target: thumb-elf.
17835 * configure: Regenerate.
17836 * config/arm/t-thumb-elf: New file: Makefile fragment for
17838 * config/arm/telf.h: New file: Header file for thumb-elf
17841 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17843 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17844 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17845 initializers is some circumstances.
17847 * fixinc/inclhack.def (endif_label): Add additional selector for
17848 more bogus stuff after #endif statements.
17849 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17851 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17853 * i386/cygwin.h (SET_ASM_OP): Define.
17855 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17857 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17859 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17861 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17864 * sh.md (ic_invalidate_line_i): Remove second alternative.
17866 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17868 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17869 test for the presence of valid prototypes. Delete bypass expr.
17870 (ioctl_fix_ctrl): Correct the selection expression.
17871 (no_double_slash): Correct quoting rules
17872 *fixinc/fixincl.x: regen
17873 *fixinc/inclhack.sh: regen
17875 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17877 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17879 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17881 * rs6000.md (movsi_got_internal_mem): Delete.
17882 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17883 (GOT_TOC_REGNUM): Delete.
17884 (PIC_OFFSET_TABLE_REGNUM): Define.
17885 (FINALIZE_PIC): Disable.
17886 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17887 (rs6000_replace_regno): Delete.
17888 (rs6000_finalize_pic): Likewise.
17889 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17891 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17893 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17894 is a note; use <= for the compare; advance P while it is
17897 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17899 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17900 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17902 * varasm.c (remove_from_pending_weak_list): Verify t->name
17903 is non-NULL before passing it to strcmp.
17905 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17907 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17908 the typed arguments are not part of a comment
17909 (ioctl_fix_ctrl): Added a purpose comment
17910 *fixinc/fixincl.x: regenerate
17911 *fixinc/inclhack.sh: regenerate
17913 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17915 * invoke.texi: Add C4x invocation docs.
17917 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17919 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17921 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17923 (c4x_legitimize_reload_address): New function.
17924 * config/c4x/c4x.md: Update docs.
17926 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17928 * fixincludes: Avoid removing '.'.
17929 * fixinc/fixinc.svr4: Likewise.
17930 * fixinc/fixinc.winnt: Likewise.
17931 * fixinc/inclhack.tpl: Likewise.
17932 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17934 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17936 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17938 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17940 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17942 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17945 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17947 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17948 * configure: Regenerate.
17950 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17952 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17955 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17957 * fixinc/inclhack.def (avoid_bool): Also catch
17958 "typedef [unsigned] int bool".
17959 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17961 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17962 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17963 * configure: Rebuilt.
17965 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17967 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17968 such that we can override its definitions if necessary.
17969 (CPP_SPEC): New define. Support processor specific predefines via
17971 (CC1_SPEC): New define. Support processor specific compiler
17972 options via %(cc1_cpu).
17973 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17976 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17978 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17979 between sed's -e flag, and the open-quote following it.
17980 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17982 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17983 Jeffrey A Law (law@cygnus.com)
17985 * varasm.c (assemble_start_function): Remove the function
17986 from the pending weak decls list when we define a function.
17987 (assemble_variable): Similarly for variables.
17988 (weak_finish): Ignore items on the list with a NULL name.
17989 (remove_from_ending_weak_list); New function to "remove" an item
17990 from the pending weak declarations list.
17992 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17994 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17996 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17998 * c-lex.c (GETC): Redefine to call getch.
17999 (UNGETC): Redefine to call put_back.
18000 (putback_buffer): New structure type.
18001 (putback): New static structure.
18002 (getch): New function.
18003 (put_back): New function.
18004 (yylex): Replace unused bytes from bad multibyte character.
18006 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
18008 * cpplib.c (do_define): Cast `alloca' return value.
18009 (do_include, do_undef, do_pragma): Likewise.
18010 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
18012 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
18013 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
18015 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
18017 * sparc.md (abstf2): This should be an expand.
18018 (split after abstf2_notv9): Fix mode.
18019 (abstf2_hq_v9): New pattern.
18020 (abstf2_v9): Only use when no hard quad.
18021 (absdf2_v9): Fix if target is not the same as source.
18022 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
18023 Add correct output constraints.
18025 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
18027 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
18028 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
18030 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
18032 * mips.h (mips_output_conditional_branch): New function.
18033 (mips_adjust_insn_length): Likewise.
18034 (ASSEMBLER_SCRATCH_REGNUM): New macro.
18035 (ADJUST_INSN_LENGTH): Likewise.
18036 * mips.c (print_operand): Add `F' and `W' for floating-point
18037 comparison opcodes.
18038 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
18040 (mips_adjust_insn_length): New function.
18041 (mips_output_conditional_branch): New function.
18042 * mips.md (length): Adjust attribute definition to handle
18043 conditional branches. Change lengths to bytes, rather than
18044 instructions throughout. Remove length attribute from
18045 instructions whose length is four bytes, and rely on the default
18047 (dslot): Fix typo in comment.
18048 Reword conditional branch patterns to use
18049 mips_output_conditional_branch.
18051 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18053 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
18054 (LIB_SPEC): Likewise.
18055 Link with -lprof1_r for -g/-pg.
18057 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18059 * loop.c (check_dbra_loop): Fix change of Jan 19.
18061 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
18063 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
18064 (STARTFILE_SPEC): Define, override the svr4.h version.
18065 (ENDFILE_SPEC): Likewise.
18067 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
18069 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
18070 * fixinc/fixincl.x: Regenerated.
18071 * fixinc/inclhack.sh: Regenerated.
18073 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18075 * sh.c (barrier_align): Don't return early for normal branch/barrier
18076 when optimizing for SH2.
18078 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
18080 * i386/udk.h (LINK_SPEC): Correct linker search path for
18083 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18085 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
18086 (braf_label_ref_operand): Delete.
18087 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
18088 * sh.md (casesi_jump_2): Operand1 is now the inside of a
18089 label_ref, and has no predicate.
18090 The patten has a predicate to guard against invalid substitutions.
18091 (dummy_jump): Delete.
18092 (casesi): Update use of casesi_jump_2.
18094 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18096 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
18097 *fixinc/fixincl.x: regenerate
18098 *fixinc/inclhack.sh: regenerate
18100 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
18102 * dwarf2out.c (add_incomplete_type): New fn.
18103 (gen_struct_or_union_type_die): Call it.
18104 (retry_incomplete_types): New fn.
18105 (dwarf2out_finish): Call it.
18107 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
18109 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
18110 current block starts with a CODE_LABEL and ends with a CALL and
18111 we can not find all the argument setup instructions for the CALL.
18113 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
18115 Revert this change:
18116 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18117 something is a candidate for optimize_bit_field_compare.
18119 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18121 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
18123 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
18125 * alpha.c (override_options): Thinko in last patch.
18127 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
18128 (LIB_SPEC): Recognize -pthread.
18130 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
18132 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
18133 definition in config/arm/coff.h
18134 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
18136 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18138 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
18139 fixes that need "file=xxx\n" prepended before invocation
18140 (start_fixer - new): starting the fixer process is complex enough
18141 to warrent its own routine. It prepends the "file=xxx\n" stuff.
18142 (process): uses the new routine; omit usage of putenv()
18143 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
18144 * fixinc/fixincl.x: regenerate
18146 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
18148 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
18149 and version #s (1.1 -> 2.96) as needed.
18150 * README.g77: Kill way out of date file in the toplevel directory.
18152 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
18154 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
18155 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
18156 * configure: Rebuilt.
18157 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
18158 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
18159 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
18160 (SWITCH_TAKES_ARG): Likewise.
18161 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
18162 * config/t-freebsd: Moved from config/i386/ so it can used for all
18165 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
18167 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
18169 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
18171 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
18172 * configure: Rebuilt.
18174 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
18176 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
18177 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
18178 * rs6000/rs6000.c (rs6000_file_start): Use putc.
18179 (rs6000_output_load_toc_table): Same.
18180 (output_prolog, output_mi_thunk): Same.
18181 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
18182 (ASM_GLOBALIZE_LABEL): Use putc.
18184 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
18186 * alpha.md (reload_*_help): New patterns and splitters.
18187 (reload_*): Use them.
18188 (mov[qh]i): Likewise.
18190 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
18192 * cccp.c (handle_directive): Handle backslash-newlines in quoted
18195 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
18197 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
18199 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
18201 * flow.c (mark_regs_live_at_end, insn_dead_p,
18202 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
18203 and HARD_FRAME_POINTER_REGNUM special treatment if reload
18204 hasn't run or the frame pointer is needed.
18205 * haifa-sched.c (attach_deaths): Likewise.
18206 * sched.c (attach_deaths): Likewise.
18208 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
18210 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
18211 calculate_can_reach_end returns nonzero.
18213 * configure.in (native gas tests): Search for an assembler in the
18214 same manner that the installed compiler will.
18215 * configure: Rebuilt.
18216 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
18218 * alias.c (find_base_term): Improve handling of addresses
18219 constructed from binary operations.
18221 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
18223 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
18225 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
18227 * function.h (cleanup_label, frame_offset): Declare.
18228 (tail_recursion_label, tail_recursion_reentry): Likewise.
18229 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18230 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
18231 (tail_recursion_label, tail_recursion_reentry): Likewise.
18232 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18234 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
18236 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18238 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18239 (MAX_OFILE_ALIGNMENT): Define.
18241 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18243 * fixincl.c: Replace local include scheme with #includes of
18244 gansidecl.h and system.h.
18245 * procopen.c: Likewise.
18246 * server.c: Likewise.
18248 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18250 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18251 (crti.o): Add build rule and dependencies.
18252 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18254 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18256 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18257 (LIB_LINUX_SPEC): Likewise.
18258 (LIB_LINUX_SPEC): Add support for -pthread
18259 (CPP_OS_LINUX_SPEC): Likewise.
18260 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18263 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18265 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18267 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18268 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18269 for IEEE math and CC_FCOMI.
18270 (put_jump_code): No IEEE if CC_FCOMI is set.
18272 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18274 * fold-const.c (fold_truthop): Make the field reference unsigned
18275 when converting a single bit compare.
18277 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18279 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18281 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18283 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18284 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18287 * reload.c (push_reload): Do not call remove_address_replacements
18288 when presented with identical optional reloads.
18290 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18292 * alpha.h (MASK_FIX, TARGET_FIX): New.
18293 (MASK_*): Reorganize constants.
18294 (CPP_AM_FIX_SPEC): New.
18295 (TARGET_SWITCHES): Add FIX.
18296 (EXTRA_SPECS): Likewise.
18297 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18298 (SECONDARY_MEMORY_NEEDED): Likewise.
18299 (REGISTER_MOVE_COST): Likewise.
18300 * alpha.c (override_options): Add FIX support. Always use
18301 ALPHA_TP_PROG for ev6.
18302 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18303 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18304 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18306 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18308 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18309 something is a candidate for optimize_bit_field_compare.
18311 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18313 * gcc.texi (Passes): Document branch-shortening.
18314 * invoke.texi (Debugging Options): Document the fact that `-dp'
18315 outputs length information for instructions.
18317 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18319 * flow.c: Revert previous delta.
18321 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18323 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18324 FRAME_POINTER_REGNUM.
18325 (mark_set_1): Ditto.
18326 (mark_used_regs): Ditto.
18328 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18330 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18331 (GOT_PCREL): New macro. Define to 1 if not already defined.
18332 * arm/elf.h (GOT_PCREL): Define to 0.
18333 * arm.c (arm_finalize_pic): Take into account the setting of
18336 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18338 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18339 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18341 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18342 store elimination candidates.
18344 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18346 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18349 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18351 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18352 Add use of x-aix41-gld.
18354 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18356 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18357 (ASM_OUTPUT_DESTRUCTOR): Define.
18359 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18361 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18362 last CODE_LABEL in a loop if we have previously passed a jump
18363 to the top of the loop.
18365 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18367 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18368 applying Philip's patch.
18370 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18372 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18375 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18377 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18379 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18381 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18382 Also remove a useless comment.
18384 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18386 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18388 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18390 * collect2.c (main): Only generate import or export file and add
18391 to link arguments if non-empty. Use xmalloc not alloca.
18392 (write_{export,import}_file): Delete.
18393 (write_aix_file): New function.
18394 (locatelib): Use xmalloc not malloc.
18395 (GCC_OK_SYMBOL): Do not check type if aix64.
18397 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18399 Based on patch by Scott Bambrough and Pat Beirne:
18400 * config/arm/arm.c (making_const_table): New variable.
18401 * config/arm/arm.h (making_const_table): Declare.
18402 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18404 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18405 Keep track of when we are building the constant table.
18407 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18409 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18412 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18414 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18417 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18419 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18422 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18424 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18426 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18428 * rs6000.c (output_mi_thunk): Enable full support again.
18430 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18432 * sh.h (BRANCH_COST): Define.
18434 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18436 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18438 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18440 * function.c (assign_stack_local): Align stack slot propertly.
18441 (assign_outer_stack_local): Likewise.
18443 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18445 * expr.h (lang_expand_constant): Declare.
18446 * toplev.c (lang_expand_constant): Define it.
18447 * varasm.c (output_constant): Use it.
18449 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18451 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18452 Change function definitions to K&R style.
18454 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18456 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18458 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18460 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18461 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18462 (several places): omit static initialization
18463 (process): use single fd, since only the read fd is used
18464 * fixinc/gnu-regex.c: define 'const' away, if not supported
18465 * fixinc/procopen.c(several places): omit static initialization
18466 * fixinc/server.c: define 'volitile' away, if not supported
18468 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18470 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18471 asm_fprintf and %L to generate the label name.
18472 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18473 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18475 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18477 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18478 insn for a conditional jump can not be found.
18480 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18482 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18483 on variables in specific sections other than .sbss and .sdata.
18485 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18487 * stmt.c (expand_return): Call start_cleanup_deferral and
18488 end_cleanup_deferral around conditional code.
18490 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18492 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18493 filename lists. Utilizes new "krstr" AutoGen function.
18494 * fixinc/fixincl.x: Rebuilt.
18496 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18498 * i386.c (output_float_compare): Avoid GNU-C extensions.
18500 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18502 * version.c: Bump to distinguish mainline tree from the
18505 See ChangeLog.1 for earlier changes.