1 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * i386.c (struct machine_function): Add save_varrargs_registers.
4 (ix86_save_varrargs_registers): New macro.
5 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6 (ix86_expand_prologue): Likewise.
7 (ix86_emit_epilogue_esp_adjustement): Likewise.
8 (ix86_expand_epilogue): Likewise.
9 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
10 (pro_epilogue_adjust_stack_1): New insn.
11 (pro_epilogue_adjust_stack_rex64): Likewise.
12 * i386.h (MASK_NO_RED_ZONE): New constant.
13 (TARGET_RED_ZONE): New macro.
14 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
15 (RED_ZONE_SIZE): New constant.
16 (RED_ZONE_RESERVE): New constant.
18 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * toplev.c (set_float_handler): Use memcpy, not bcopy.
22 2001-03-25 Kazu Hirata <kazu@hxi.com>
24 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
30 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * mkconfig.sh (DEFINES): Handle entries with '='.
34 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
35 Set xm_defines to MACRO=value instead.
37 * i370/xm-mvs.h: Delete.
39 * ns32k/xm-pc532-min.h: Likewise.
41 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
43 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
45 use ix86_expand_binary_operator
46 (?sh??i_?): Disable for 64bit.
47 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
48 * i386.c (shiftdi_operand): New predicate.
50 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
51 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
52 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
53 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
54 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
55 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
56 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
57 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
58 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
59 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
60 (rotldi3, rotrdi3): New expanders.
62 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
64 * i386.md (movstrsi): Move offline.
66 (strmovdi_rex64): New.
67 (strmov?i): Accept 64bit.
68 (strmov?i_rex64): New.
69 (strmov?i_rex_1): New.
70 (strmov?i_1): Disable for 64bit.
71 (rep_mov?i_rex64): New.
72 (rep_mov?i): Disable for 64bit.
73 (clrstrsi): Move offline.
74 (strset?i_rex64): New.
75 (strset?i: Accept 64bit.
76 (rep_stos?i): Disable for 64bit.
77 (rep_stos?i_rex64): New.
78 (strset?i_rex_1): New.
79 (strset?i_1): Disable for 64bit.
80 (cmpstrsi): Accept 64bit.
81 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
82 (cmpstrqi_nz_rex_1): New.
83 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
84 (strlensi): Move offline.
86 (strlenqi_1): Disable for 64bit; fix constraints.
87 (strlenqi_rex_1): New.
88 * i386.c (ix86_adjust_counter): New static function.
89 (ix86_zero_extend_to_Pmode): Likewise.
90 (ix86_expand_aligntest): Likweise.
91 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
92 (ix86_expand_movstr): New global function.
93 (ix86_expand_clrstr): New global function.
94 (ix86_expand_strlen): New global function.
95 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
96 ix86_expand_strlen): Declare.
97 (ix86_expand_strlensi_unroll_1): Delete.
99 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
101 * i386.md (cmpdi): Fix operand predicates.
102 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
103 cmpdi_1_insn_rex64): New patterns.
104 (adddi3): Turn to expander.
105 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
106 (addsi3_carry_zext): New pattern.
107 (adddi_?_rex64): New patterns and splitters.
108 (addsi_?_zext): New patterns.
109 (subsi3_carry_zext): New pattern.
110 (subdi_?_rex64): New patterns and splitters.
111 (iorsi_?_zext): New patterns.
112 (iordi_?_rex64): New patterns and splitters.
113 (iorsi_?_zext): New patterns.
114 (iorsi_?_zext_imm): New patterns.
115 (xorsi_?_zext): New patterns.
116 (xordi_?_rex64): New patterns and splitters.
117 (xorsi_?_zext): New patterns.
118 (negdi*): New patterns.
119 (one_cmpldi*): Likewise.
120 (one_cmplsi*_zext, negsi*_zext): Likewise.
121 (testqi_ext_3_rex64): New pattern.
123 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
125 * i386-protos.h (ix86_split_long_move): Return void.
126 * i386.c (ix86_split_to_parts): Handle 64bit target.
127 (ix86_split_long_move): Likewise.
128 * i386.md (all calls to ix86_split_long_move): Update.
130 2001-03-23 Richard Henderson <rth@redhat.com>
132 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
133 to avoid shadowing arguments.
135 2001-03-23 Jakub Jelinek <jakub@redhat.com>
137 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
138 to variable names where DECL_NAME is different from
141 2001-03-23 Jim Wilson <wilson@redhat.com>
143 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
144 (assemble_alias): Call make_decl_rtl.
146 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
148 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
150 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
152 * extend.texi: Document the "java_interface" attribute.
154 2001-03-22 Zack Weinberg <zackw@stanford.edu>
156 * mkconfig.sh: Use a subshell with redirected stdout,
157 instead of closing stdout and confusing commands that run
158 afterward. Throw away output of cmp.
160 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
162 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
164 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
166 * i386.md (zero_extendsidi2_32): Break out from ...
167 (zero_extendsidi2): ... here ; turn to expander.
168 (zero_extendsidi2_rex64): New.
169 (extendsidi2_32): Break out from ...
170 (extendsidi2): ... here ; turn to expander.
171 (extendsidi2_rex64): New.
172 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
173 (trunc?f?f splitters): Add 64bit versions.
175 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
177 * i386.md (pushsi, pushsi2_prologue): Disable.
178 (pushsi2_rex64): New.
179 (movabs?i_1_rex64, movabs?i_2_rex64): New.
180 (movqi_ext_1): Disable for 64bit.
181 (movqi_ext_1_rex64): New.
182 (pushdi2_rex64): New pattern, peep2s and splitter.
183 (pushdi2_prologue_rex64): New pattern.
184 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
186 (movdi splitters): Disable for 64bit.
187 (movdi_1_rex64): New pattern, peep2s and splitters.
188 (swapdi): New pattern.
189 (pushsf): Disable for 64bit.
190 (pushsf_rex64): New pattern and splitter.
191 (pushdf_nointeger): Disable for 64bit.
192 (pushdf_integer): Handle the 64bit case.
193 (pushtf): Likewise; update splitters.
195 2001-03-22 Richard Henderson <rth@redhat.com>
197 * mkconfig.sh: Include insn-flags.h.
198 * Makefile.in (CONFIG_H): Include insn-flags.h.
199 (lots of objects): Remove insn-codes.h and insn-flags.h.
201 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
202 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
203 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
204 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
205 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
206 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
207 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
208 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
209 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
210 v850/v850.c, vax/vax.c:
211 Don't include insn-flags.h.
213 * diagnostic.c, expr.h, reload.c, toplev.c:
214 Don't include insn-codes.h.
216 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
217 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
218 c4x/c4x.c, i960/i960.c, mips/mips.c:
219 Don't include insn-codes.h or insn-flags.h.
221 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
222 or insn-flags.h in the generated code.
223 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
224 (main): Forward declare struct rtx_def.
226 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
228 * invoke.texi (-ffast-math): Remove duplicate line about
231 * gcc.texi: Remove more obsolete documentation of bugs and
232 installation problems.
234 2001-03-21 Kazu Hirata <kazu@hxi.com>
236 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
239 2001-03-20 Jason Merrill <jason@redhat.com>
241 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
243 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
244 * varasm.c (CHKR_PREFIX): Likewise.
246 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
248 * gcse.c (hash_scan_set): An expression is not anticipatible if it
249 is part of a multi-SET insn.
251 * cse.c (find_comparison_args): Remove previous change.
252 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
255 * config/i386/i386.md (conditional_trap): Remove warning.
257 * recog.c (push_operand): Fix error in last change that caused
258 undefined symbol on many targets.
260 * sdbout.c: #include ggc.h.
261 (sdbout_init): Move to end of file.
262 Call ggc_add_tree_root for anonymous_types.
263 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
264 (sdbout_one_type): Use DECL_NAME for field name.
265 * Makefile.in (sdbout.o): Show includes ggc.h.
267 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
269 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
270 (override_options): Use properlimits for preferred_stack_boundary.
271 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
273 (ext_register_operand): Accept DImode.
274 (load_pic_register): Abort on 64bit.
275 (gen_push): Use Pmode instead of SImode.
276 (ix86_save_reg): Pic reg is never used on 64bit.
277 (ix86_expand_prologue): Likewise.
278 (ix86_emit_save_regs): Use Pmode instead of SImode.
279 (legitimate_address_p): Check displacement for 64bit.
280 (print_operand): Avoid outputting of (%rip) on 64bit.
281 (print_operand_address): Output (%rip) where possible.
282 (split_di): Abort on 64bit registers.
283 (ix86_expand_branch): DImode comparison is simple for x86_64.
284 (memory_address_length): Recognize memory addresses formed using
286 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
288 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
290 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
292 * recog.c (push_operand): Recognize new format of push instructions.
294 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
296 * i386.md (pushqi1): New.
297 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
298 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
299 x86_64_immediate_operand, x86_64_immediate_operand,
300 x86_64_zext_immediate_operand): Declare.
301 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
302 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
303 x86_64_immediate_operand, x86_64_immediate_operand,
304 x86_64_zext_immediate_operand): define.
305 * i386.h (PREDICATE_CODES): Add new predicates.
307 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
309 * i386.md (pophi1, popqi1, pushqi1): Remove.
311 * expr.c (emit_single_push_insn): New function.
312 (move_by_pieces): Accept NULL as destination for push instructions.
313 (gen_push_operand): Kill.
314 (emit_push_insn): Pass NULL when pushing; avoid updating of
316 * expr.h (gen_push_operand): Kill.
318 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
320 * rtl.texi (COMPARE): Clarify documentation and reference section
323 2001-03-20 Stan Shebs <shebs@apple.com>
325 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
326 (get_object_reference): Ditto.
327 (error_with_ivar): Use error_with_file_and_line.
328 (warn_with_method): Use warning_with_file_and_line.
330 2001-03-20 Tom Tromey <tromey@redhat.com>
332 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
334 2001-03-20 Mark Mitchell <mark@codesourcery.com>
336 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
337 variables that are TREE_PUBLIC, even if not TREE_STATIC.
339 2001-03-20 DJ Delorie <dj@redhat.com>
341 * Makefile.in (install-libgcc): Pass complete list of variables.
342 (install-multilib): Ditto.
344 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
346 * config/i386/cygwin.h: Declare ctor_section, dtor_section
347 drectve_section, switch_to_section.
349 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
350 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
351 i386_pe_mark_dllimport.
353 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
355 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
358 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
359 i386_pe_* functions with char * arguments.
361 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
363 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
365 (movsi_ie): Introduce fpul store.
367 2001-03-20 Alan Modra <alan@linuxcare.com.au>
369 * Makefile.in (OBJS): Remove hashtab.o.
371 2001-03-19 Stan Shebs <shebs@apple.com>
373 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
374 * c-lang.c (maybe_objc_method_name): Ditto.
375 * c-tree.h (maybe_objc_method_name): Remove decl.
377 2001-03-19 Tom Tromey <tromey@redhat.com>
379 * gcc.c (init_gcc_specs): Fix comment.
381 2001-03-19 Mark Mitchell <mark@codesourcery.com>
383 Compute DECL_ASSEMBLER_NAME lazily.
384 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
385 (DECL_ASSEMBLER_NAME_SET_P): New macro.
386 (SET_DECL_ASSEMBLER_NAME): Likewise.
387 (COPY_DECL_ASSEMBLER_NAME): Likewise.
388 (set_decl_assembler_name): Declare.
389 (lang_set_decl_assembler_name): Likewise.
390 * tree.c (lang_set_decl_assembler_name): New variab.e
391 (set_decl_assembler_name): New function.
392 (init_obstacks): Set lang_set_decl_assembler_name.
393 (build_decl): Don't set DECL_ASSEMBLER_NAME.
394 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
395 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
396 where it's not necessary.
397 (builtin_function): Likewise.
398 (finish_decl): Likewise.
399 * dbxout.c (dbxout_type_methods): Likewise.
400 * ggc-common.c (ggc_mark_trees): Likewise.
401 * profile.c (output_func_start_profiler): Likewise.
402 * varasm.c (make_decl_rtl): Likewise.
404 * cse.c (find_comparison_args): Update documentation. Fix
405 mishandling of COMPARE operations.
407 * tree.def (ABS_EXPR): Add documentation.
408 * fold-const.c (fold): Improve folding of ABS_EXPRs.
410 2001-03-19 Zack Weinberg <zackw@stanford.edu>
412 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
414 2001-03-19 Jakub Jelinek <jakub@redhat.com>
416 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
417 Remove ia32 linux PIC kludge and move it...
418 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
420 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
422 * i386.md (absdf2 expander): Fix 64bit case.
424 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
426 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
428 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
430 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
432 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
434 * README.X11: Remove obsolete file.
436 2001-03-18 Anthony Green <green@redhat.com>
438 * config/pj/pj.h: Remove some trailing commas.
439 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
441 2001-03-18 Richard Henderson <rth@redhat.com>
443 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
445 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
446 defaults for them here.
448 2001-03-17 Anthony Green <green@redhat.com>
450 * config/pj/lib1funcs.S: Fix broken comment.
451 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
454 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
456 * gcc.texi: Remove obsolete information relating to build and
457 installation problems with enquire or the Pyramid C compiler.
459 2001-03-17 Richard Henderson <rth@redhat.com>
461 * dwarf2out.c (queue_reg_save): New.
462 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
463 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
465 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
466 (cfa, cfa_store, cfa_temp): Make static.
467 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
469 2001-03-17 Richard Henderson <rth@redhat.com>
471 * integrate.h (struct inline_remap): Add local_return_label.
472 * integrate.c (expand_inline_function): Initialize it and emit
473 it after copy_insn_notes.
474 (copy_insn_list): Don't store local_return_label here.
475 (copy_insn_notes): New function split out from copy_insn_list.
477 2001-03-17 Richard Henderson <rth@redhat.com>
479 * dwarf2out.c (lookup_filename): Emit .file if the assembler
480 is generating .debug_line.
481 (dwarf2out_init): Add main_input_filename to the file table first.
482 * configure.in (as_dwarf2_debug_line): Test with file number 1
483 instead of file number 0.
485 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
487 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
488 (gen_rtx_combine): Deleted; all references changed as appropriate.
489 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
491 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
493 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
495 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
498 2001-03-16 Jim Wilson <wilson@redhat.com>
500 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
501 then set it to LOC_REG (79) instead of aborting.
503 2001-03-16 Phil Edwards <pme@sources.redhat.com>
505 * gccbug.in: Remove high priority.
507 2001-03-16 Richard Henerson <rth@redhat.com>
509 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
510 output with a space instead of deleting it.
511 * configure: Regenerate.
513 2001-03-16 Zack Weinberg <zackw@stanford.edu>
515 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
516 handles the gory details of converting an object file into
517 something that's safe to grep.
518 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
519 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
520 newlines at either end of the string we're looking for.
521 Make 'checking ...' message less stilted.
522 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
523 ARM in-memory layout and its hypothetical converse. Don't
524 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
525 HOST_WORDS_BIG_ENDIAN.
527 * configure.in: Adjust for renamed macro. Move
528 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
529 * configure, config.in: Regenerate.
531 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
533 * fixinc/Makefile.in: Set SHELL.
535 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
537 * fixinc/fixincl.c (fix_with_system): Quote file names before
538 passing them to shell.
540 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
542 * Makefile.in: Use fix-header$(build_exeext) instead
545 2001-03-16 Richard Henderson <rth@redhat.com>
547 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
548 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
549 (size_of_line_prolog): Remove.
550 (output_line_info): Compute prologue size via label difference.
551 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
553 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
554 assembler error when redefining file numbers.
555 * config.in, configure: Rebuild.
557 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
558 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
559 (dw2_asm_output_delta_uleb128): Likewise.
560 (dw2_asm_output_delta_sleb128): Similarly.
561 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
563 2001-03-16 Michael Meissner <meissner@redhat.com>
565 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
567 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
569 (BITMASK_LOWER16): Replacement for 0x0000ffff.
571 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
572 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
573 being unsigned in ISO C and signed in traditional.
574 (expand_prologue): Ditto.
575 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
577 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
579 (divsi3,divdi3): Ditto.
580 (modsi3,moddi3): Ditto.
581 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
582 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
583 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
586 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
588 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
589 SSE based conditional moves on LTGT/UNEQ conditions;
590 Canonicalize EQ to NE.
591 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
592 (sse_mov?fcc_ne): New.
594 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
596 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
598 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
599 register may be dead.
601 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
603 * Makefile.in (hash.o): Depend on CONFIG_H.
605 2001-03-15 Mark Mitchell <mark@codesourcery.com>
607 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
609 2001-03-15 Richard Henderson <rth@redhat.com>
611 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
612 (ASM_OUTPUT_DWARF_PCREL): New.
613 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
615 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
617 * cppfiles.c (stack_include_file): Use MAX of sysp.
619 2001-03-15 Steve Ellcey <sje@cup.hp.com>
621 * config.gcc (ia64*-*-hpux*): New case.
622 * config/ia64/hpux.h: New file for HP-UX support.
623 * config/ia64/t-hpux: New file for HP-UX support.
625 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
627 * fixinc/inclhack.def (irix_stdio_va_list): New.
628 * fixinc/fixincl.x: Rebuilt.
630 2001-03-15 Richard Henderson <rth@redhat.com>
632 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
633 if provided by the target.
634 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
635 (dw2_asm_output_addr): New.
636 * dwarf2asm.h (dw2_asm_output_addr): Declare.
637 * dwarf2out.c (output_cfi): Use it for program addresses.
638 (output_call_frame_info, output_die): Likewise.
639 (output_aranges, output_line_info): Likewise.
641 2001-03-15 Bruce Korb <bkorb@gnu.org>
643 * gcc.c(main): make more rigorous
644 * collect2.c(main): guard against ignoring SIGCHLD
645 * protoize.c(main): ditto
646 * gcc/fixinc/fixincl.c(initialize): ditto
648 2001-03-15 Mark Mitchell <mark@codesourcery.com>
650 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
651 (sdbout_parms): Likewise.
653 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
655 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
656 "widen" a destination that is already wider than a word. Also do
657 not widen if LOAD_EXTEND_OP is NIL for the given mode.
659 2001-03-15 Bernd Schmidt <bernds@redhat.com>
661 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
663 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
665 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
667 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
669 * i960.h (i960_maxbitalignment,
670 i960_last_maxbitalignment): Declare.
671 * i960.c (i960_maxbitalignment,
672 i960_last_maxbitalignment): Make global.
673 (process_pragma): Delete.
674 (i960_pr_align, i960_pr_noalign): Move from here ...
675 * i960-c.c: ... to this new file.
676 * t-960bare (i960-c.o): New rule.
677 * t-vxworks960 (i960-c.o): Likewise.
678 * config.gcc (i960-*-*): Define c_target_objs and
681 2001-03-15 Bernd Schmidt <bernds@redhat.com>
683 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
684 without adding in rtx code and mode.
686 * alias.c (init_alias_analysis): Don't use any rtx whose value
687 varies as a known value.
688 Delete a superfluous test.
690 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
692 (ia64_sched_reorder): Call maybe_rotate; also rotate after
693 scheduling a stop bit.
694 (ia64_emit_nops): Correctly handle ASMs.
696 2001-03-15 Mark Mitchell <mark@codesourcery.com>
698 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
700 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
702 * cpp.texi: Update documentation for -include and -imacros.
703 * cppfiles.c (struct include_file): Remove "defined" memeber.
704 (find_or_create_entry): Make a copy of the file name, and
706 (open_file): Update to ensure we use the simplified filename.
707 (stack_include_file): Don't set search_from.
708 (cpp_included): Don't simplify the path name here.
709 (find_include_file): New prototype. Call search_from to
710 get the start of the "" include chain. Don't simplify the
712 (_cpp_execute_include): New prototype. Move diagnostics to
713 do_include_common. Update.
714 (_cpp_pop_file_buffer): Don't set defined.
715 (search_from): New prototype. Use the preprocessor's cwd
716 for files included from the command line.
717 (read_name_map): Don't simplify the pathname here.
718 * cpphash.h (enum include_type): New.
719 (struct buffer): Delete search from. New search_cached.
720 (_cpp_execute_include): Update prototype.
721 * cppinit.c (do_includes): Use _cpp_execute_include.
722 * cpplib.c (do_include_common): New function.
723 (do_include, do_include_next, do_import): Use it.
725 2001-03-14 Mark Mitchell <mark@codesourcery.com>
727 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
728 contents of the RTL, to determine the name of the object.
730 2001-03-14 Mark Mitchell <mark@codesourcery.com>
732 * tree.h (DECL_RTL): Allocate RTL lazily.
733 (SET_DECL_RTL): New macro.
734 (DECL_RTL_SET_P): Likewise.
735 (COPY_DECL_RTL): Likewise.
736 (DECL_RTL_IF_SET): Likewise.
737 * varasm.c (make_decl_rtl): Add assertions about the kind of
738 declaration we are processing.
739 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
740 (start_decl): Likewise.
741 (finish_decl): Likewise.
742 * c-semantics.c (emit_local_var): Likewise.
743 * calls.c (expand_call): Likewise.
744 * dbxout.c (dbxout_symbol): Likewise.
745 * emit-rtl.c (unshare_all_rtl): Likewise.
746 (unshare_all_decls): Likewise.
747 (reset_used_decls): Likewise.
748 * expr.c (store_constructor): Likewise.
749 (safe_from_p): Likewise.
750 (expand_expr): Likewise.
751 * function.c (put_var_into_stack): Likewise.
752 (instantiate_decls_1): Likewise.
753 (assign_parms): Likewise.
754 (expand_function_start): Likewise.
755 (expand_function_end): Likewise.
756 * ggc-common.c (gcc_mark_trees): Likewise.
757 * integrate.c (function_cannot_inline_p): Likewise.
758 (copy_decl_for_inlining): Likewise.
759 (expand_inline_function): Likewise.
760 (integrate_parm_decls): Likewise.
761 (integrate_decl_tree): Likewise.
762 * print-tree.c (print_node): Likewise.
763 * reg-stack.c (stack_result): Likewise.
764 * stmt.c (label_rtx): Likewise.
765 (expand_return): Likewise.
766 (expand_decl): Likewise.
767 (expand_decl_cleanup): Likewise.
768 (expand_anon_union_decl): Likewise.
769 * toplev.c (check_global_declarations): Likewise.
770 (rest_of_decl_compilation): Likewise.
771 * tree.c (simple_cst_equal): Likewise.
772 * objc/objc-act.c (generate_static_references): Likewise.
774 2001-03-14 Zack Weinberg <zackw@stanford.edu>
776 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
777 gcc_AC_C_FLOAT_FORMAT): New macros.
778 * configure.in: Add AC_PROG_CPP after CC tests;
779 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
780 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
781 * configure, config.in: Regenerate.
783 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
784 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
785 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
786 config/i370/xm-linux.h, config/i370/xm-oe.h,
787 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
788 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
789 config/pa/xm-linux.h, config/pa/xm-pa.h,
790 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
791 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
792 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
793 config/we32k/xm-we32k.h: Delete.
795 * config/i370/xm-mvs.h, config/m88k/m88k.h,
796 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
797 config/vax/xm-vms.h: Don't define any of:
798 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
800 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
802 * config.gcc: Remove references to deleted files.
803 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
804 FATAL_EXIT_CODE, which is the same between oe and mvs).
806 2001-03-14 DJ Delorie <dj@redhat.com>
807 Vladimir Makarov <vmakarov@redhat.com>
809 * config/i960/i960.c (i960_function_prologue): Compute size of
810 frame according to number of registers actually saved there.
812 2001-03-14 Richard Henderson <rth@redhat.com>
814 * expr.c (emit_move_insn_1): Fix else if around #endif.
816 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
819 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
822 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
824 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
825 (override_options): Parse cmodel string.
826 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
827 * i386.h (TARGET_OPTIONS): Add "cmodel".
828 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
830 (ix86_cmodel_string, ix86_cmodel): Declare.
832 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
835 * i386.h (GENERAL_REG_P): Add missing REG_P.
837 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
839 * configure.in: Use $gcc_cv_as instead of $as.
840 * configure: Regenerated.
842 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
844 * cppfiles.c (stack_include_file): Only increase the include
845 count if we actually process the file properly, as opposed
846 to treating it as length zero. Only call read_include_file
847 if not DO_NOT_REREAD. Handle the -H include file output
849 (read_include_file): Remove now redundant DO_NOT_REREAD check.
850 (cpp_included, find_include_file): Simplify pathnames after
851 remapping them. If remapping, don't use the remapped file
852 name's buffer as our scratch buffer.
853 (cpp_pop_file_buffer): Replace the multiple include macro
854 only if it isn't yet set.
855 (read_name_map): Simplify remapped names when reading in.
856 (remap_filename): Move code to code path that uses it.
857 (_cpp_simplify_pathname): Return the input pointer.
858 * cpphash.h (_cpp_simplify_pathname): Update prototype.
860 2001-03-14 Mark Mitchell <mark@codesourcery.com>
862 * expr.c (expand_expr): Revove bogus conditional.
864 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
866 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
868 2001-03-14 Jakub Jelinek <jakub@redhat.com>
870 * reg-stack.c (stack_result): Unconditionally use
871 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
873 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
875 * expr.c (emit_move_insn_1): Split push of complex value when
876 no suitable push instruction exist.
878 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
881 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
883 * alias.c (handled_component_p, can_address_p): New functions.
884 (get_alias_set): Use them.
886 2001-03-13 Jim Wilson <wilson@redhat.com>
888 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
889 from 80 in try_locals code.
890 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
892 2001-03-13 Zack Weinberg <zackw@stanford.edu>
894 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
895 gcc_AC_C_LONG_LONG): New.
896 * configure.in: Use them. Probe the size of short, int, long,
897 and long long/__int64 if we have them. Move all the AC_C_*
898 checks together, except gcc_AC_C_CHAR_BIT which has to go
899 after AC_CHECK_HEADERS(limits.h).
900 Take hwint.h out of host_xm_file and build_xm_file.
902 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
903 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
904 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
905 Move the HOST_WIDEST_INT setup logic here from system.h.
906 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
908 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
909 is now handled by hwint.h.
911 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
912 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
913 config/ia64/xm-ia64.h: Don't define any of:
914 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
915 HOST_BITS_PER_LONGLONG.
917 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
918 config/h8300/xm-h8300.h, config/mips/iris6.h,
919 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
920 config/sparc/xm-sp64.h: Delete.
921 * config.gcc: Remove references to deleted files.
923 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
924 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
925 * config/i370/xm-linux.h: Clarify floating-point situation in
928 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
930 * cppfiles.c (NO_INCLUDE_PATH): New macro.
931 (find_include_file): Decide here which part of the include
932 chain to start the search. Complain about an empty include
933 chain in all cases apart from an abolsute file name.
934 (_cpp_execute_include): Don't choose the search chain here.
935 Don't call handle_missing_include in the case of an empty
937 (_cpp_compare_file_date): Don't choose the search chain here.
938 * cpplib.c (do_include_next): Move the in-main-file diagnostic
939 here from _cpp_execute_include. Behave like #include if
940 we're in the main file.
942 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
944 * system.h (malloc, realloc, calloc, strdup): Only poison these
945 tokens when IN_GCC is defined.
947 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
949 * i386.md (abs?f expander): Support SSE case.
950 (abd?f_if): Add new "USE"; add splitters.
952 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * cpp.texi (poison): Explain the macro expansion exception.
956 2001-03-13 Jakub Jelinek <jakub@redhat.com>
958 * expr.c (store_expr): Add dont_store_target. If temp is already in
959 target before copying to reg, don't store it into target again.
961 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
963 * cppinternals.texi: Update for file handling.
965 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
967 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
968 2001-02-24 which broke building the Java library.
969 * function.c (identify_blocks): Likewise.
970 (all_blocks): Likewise.
971 * integrate.c (integrate_decl_tree): Likewise.
972 * print-tree.c (print_node): Likewise.
973 * tree.h (BLOCK_NUMBER): Likewise.
974 (struct tree_block): Likewise.
976 2001-03-12 David Edelsohn <edelsohn@gnu.org>
978 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
979 __WCHAR_TYPE__ definition.
980 (WCHAR_TYPE_SIZE): #undef before #define.
982 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
984 * cppfiles.c: Update comments.
985 (destroy_include_file_node): Rename destroy_node.
986 (find_or_create_entry): New function.
987 (open_file, _cpp_fake_include): Use it.
988 (handle_missing_header): New function, broken out of
989 _cpp_execute include. Don't segfault if there is no
990 system or quoted path.
991 (_cpp_execute_include): Use handle_missing_header.
993 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
995 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
996 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
998 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1000 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1001 unless anti_dependence says they are.
1002 * alias.c (objects_must_conflict): If neither has a type specified,
1005 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1006 David Billinghurst <David.Billinghurst@riotinto.com>
1008 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1010 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1012 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1013 (*_one_bit): Remove type on the match_operand in attributes.
1015 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1017 * i386.c: Commit forgotten hunk in previous patch.
1018 (regclass_map): Add extended registers.
1019 (dbx_register_map): Add missing frame register.
1021 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1023 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1025 * i386.md (x86_sahf_1): Disable for 64bit.
1026 (popsi*, pophi*): Likewise.
1027 (pushqi, pushhi): Likewise.
1028 (movdi, pushdi): Likewise.
1029 (zero extend DImode splitter): Likewise.
1030 (adddi, minusdi splitter): Likewise.
1031 (umulsidi): Likewise.
1033 (mulsidi): Disable for 64bit
1034 (lshift:DI/ashift:DI): Disable for 64bit.
1035 (loop patterns): Likewise.
1036 (call_pop, call_value_pop expanders and patterns): Likewise.
1037 (prologue_get_pc): Likewise.
1039 (fcmovDI pattern and splitter): Likewise.
1040 (movdfcc_1_rex64): New.
1042 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1044 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1045 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1046 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1047 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1048 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1049 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1050 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1051 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1052 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1053 (REGPARM_MAX): Set to 6 for x86_64.
1054 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1055 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1058 * (patterns that does use upper halves): Update constraints
1059 'q' to 'Q' and 'r' to 'R'.
1060 (cmpqi_ext_1): Disable for 64bit.
1061 (cmpqi_ext_3_insn): Likewise.
1062 (movqi_extzv_1): Likewsie.
1063 (addqi_ext_1): Liekwsie
1064 (testqi_ext_1): Liekwsie
1065 (andqi_ext_1): Liekwsie
1066 (xorqi_ext_1): Liekwsie
1067 (cmpqi_ext_1_rex64): New.
1068 (cmpqi_ext_3_insn_rex64): Likewise.
1069 (movqi_extzv_1_rex64): Likewsie.
1070 (addqi_ext_1_rex64): Liekwsie
1071 (testqi_ext_1_rex64): Liekwsie
1072 (andqi_ext_1_rex64): Liekwsie
1073 (xorqi_ext_1_rex64): Liekwsie
1075 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1077 * configure.in: Move check for unsigned enumerated bitfields
1078 to macro in aclocal.m4. Disable it for now.
1079 * configure, config.in: Regenerate.
1080 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1081 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1082 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1083 kind above its first use.
1085 * config/xm-interix.h, config/alpha/xm-alpha.h,
1086 config/i370/xm-linux.h, config/i386/xm-beos.h,
1087 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1088 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1089 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1090 Don't define ONLY_INT_FIELDS under any circumstances.
1092 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1094 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1095 config/sparc/xm-sysv4.h: Delete - now identical with some
1097 * config.gcc (hppa targets): Replace xm-pahpux.h and
1098 xm-papro.h with implicit xm-pa.h.
1099 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1102 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1104 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1105 before reload_cse_noop_set_p.
1107 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1109 * config.gcc: Where xm-host.h used to include another
1110 xm-host.h, list the nested header directly in xm_file. Remove
1111 references to deleted files. Can now use sparc/xm-sp64.h for
1114 * config/xm-linux.h, config/arm/xm-linux.h,
1115 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1116 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1117 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1118 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1119 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1122 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1123 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1124 bother to wrap #undef in #ifdef.
1125 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1126 Don't include xm-linux.h.
1127 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1129 * configure.in: Wrap regexps using [] in changequote block.
1130 Use expr : not echo | grep. Simplify regexps.
1131 * configure: Regenerate.
1133 56 xm-files remain, 22 xm-arch.
1135 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1137 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1138 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1139 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1140 (copy_object): Fix format specifier vs argument mismatch.
1142 * mips-tdump.c: Make local functions static.
1143 (rindex): Don't #undef.
1144 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1145 (fatal, fancy_abort): Delete.
1146 (read_seek): Avoid signed/unsigned compare.
1148 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1150 * combine.c (try_combine): Fix error in change to try original
1152 (gen_rtx_combine): Do same as gen_rtx for now.
1154 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1156 * configure.in: AC_SUBST xm_defines.
1157 * configure: Regenerate.
1158 * Makefile.in: Set DEFINES=$(xm_defines) when building
1161 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1163 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1164 (cpp_included, find_include_file): Update.
1165 (_cpp_compare_file_date): Make else unconditional.
1167 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1169 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1171 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1173 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1174 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1176 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1178 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1179 if it's a record type.
1181 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1183 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1184 mingw includes slightly.
1186 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1188 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1189 #undef token before poisoning it.
1191 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1193 * alpha.c (check_float_value): Use memcpy, not bcopy.
1195 * m32r.c (m32r_sched_reorder): Likewise.
1197 * vax.c (check_float_value): Likewise.
1199 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1201 * toplev.c (file_name_nondirectory): Remove.
1202 * toplev.h: Similarly.
1203 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1204 of file_name_nondirectory.
1206 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1208 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1209 * mips-tfile.c: Don't #undef rindex; not used.
1211 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1213 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1214 (dbx64_register_map): Declare.
1215 (RETURN_ADDR_RTX): Fix for 64bit.
1216 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1217 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1218 * i386.c (dbx64_register_map): New global array.
1219 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1220 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1223 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1225 * cppfiles.c (search_from): Use lbasename.
1226 * mkdeps.c (deps_add_default_target): Use lbasename.
1228 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1230 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1231 xcalloc in lieu of malloc, realloc & calloc.
1233 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1235 * gengenrtl.c (xmalloc): Likewise.
1237 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1238 really_call_* memory allocation routines.
1240 * stmt.c (check_for_full_enumeration_handling): Use
1241 really_call_calloc, not calloc.
1243 * system.h (really_call_malloc, really_call_calloc,
1244 really_call_realloc): Define.
1245 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1247 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1249 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1251 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1253 * configure: Rebuilt.
1254 * configure.in: Only use `lang_requires' for languages athat are
1257 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1259 * invoke.texi: Fix typo.
1260 * gcc.1: Regenerate.
1262 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1264 * configure.in: Prune nonexistent files from build_xm_file,
1265 xm_file, and host_xm_file lists. Warn unless they're
1267 Don't generate *config.h here.
1268 AC_SUBST all variables needed to generate *config.h.
1269 * configure: Regenerate.
1270 * mkconfig.sh: New helper script, from code removed from
1272 * Makefile.in: Zap all MALLOC variables - no longer used
1273 anywhere, and malloc.c doesn't exist.
1274 Substitute in variables needed to generate *config.h.
1275 Stop lying about the dependencies contained in CONFIG_H and
1277 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1278 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1279 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1280 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1281 $(TM_P_H), etc. as appropriate.
1283 * config.gcc: Zap references to deleted files.
1284 * ggc-none.c: Don't include rtl.h or tm_p.h.
1286 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1287 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1288 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1289 config/i386/xm-linux.h, config/i386/xm-linux.h,
1290 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1291 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1292 Don't include i386/xm-i386.h.
1294 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1295 config/i386/xm-i386.h, config/i860/xm-i860.h,
1296 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1297 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1298 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1299 Delete (empty except comments, #includes of other deleted
1300 files, and macros used nowhere).
1302 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1304 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1305 independent on TARGET_FLAGS.
1307 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1309 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1311 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1313 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1315 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1316 LAST_REX_SSE_REG): define.
1317 (enum reg_class): Add 'LEGACY_REGS'
1318 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1319 (SSE_REGNO_P): Recognize extended registers.
1320 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1321 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1322 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1323 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1324 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1325 REG_OK_FOR_STRREG_P): Remove.
1326 (HI_REGISTER_NAMES): Add extended registers.
1327 (ADDITIONAL_REGISTER_NAMES): Likewise.
1328 (QI_REGISTER_NAMES): Add 8bit extended registers.
1329 (DEBUG_REG): Support extended registers.
1330 * i386.c (regclass_map): Add extended registers.
1331 (dbx_register-map): Likewise.
1332 (svr4_dbx_register_map): Likewise.
1333 (print_reg): Support extended registers.
1334 (print_operand): Support 64bit operands.
1336 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1338 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1339 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1340 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1341 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1342 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1343 STACK_BOUNDARY): Set properly for 64bits.
1344 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1345 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1346 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1347 (MOVE_MAX): Set to 16.
1348 (MOVE_MAX_PIECES): 8 for 64bit.
1349 (Pmode): Set to SImode.
1351 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1353 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1355 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1357 * i386.h (mask_64bit): New constant.
1358 (target_64bit): New macro.
1359 (target_options): Add '64'/'32'
1360 (target_default): Define.
1361 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1362 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1363 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1365 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1367 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1369 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1371 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1372 LO_SUM unless for_alias is set.
1374 2001-03-08 Stan Shebs <shebs@apple.com>
1376 * objc/objc-act.c: Fix old typos in comments, add comments for
1378 (hash_init): Fix file name in error message.
1379 (hash_enter): Ditto.
1380 (hash_add_attr): Ditto.
1381 (continue_class): Ditto.
1383 2001-03-08 Bruce Korb <bkorb@gnu.org>
1385 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1386 wait4() can receive the signal.
1388 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1390 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1392 * fixinc/fixincl.x: Regenerate.
1394 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1396 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1398 * fixinc/fixincl.x: Regenerate.
1400 2001-03-08 Richard Henderson <rth@redhat.com>
1402 * configure.in (HAVE_AS_LEB128): New assembler check.
1403 * configure, config.in: Rebuilt.
1405 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1407 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1410 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1412 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1413 references to the MAXPATHLEN macro.
1415 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1416 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1419 * config/i386/xm-gnu.h, config/xm-gnu.h,
1420 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1421 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1422 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1423 and/or unused files.
1425 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1426 doing so in various xm-*.h files.
1428 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1430 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1432 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1434 * configure.in (enable_shared): Support per-package shared-library
1436 * configure: Rebuilt.
1438 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1440 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1441 for crnot. Set operands[5] in splitter.
1443 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1445 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1446 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1447 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1448 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1449 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1450 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1451 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1454 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1455 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1456 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1457 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1458 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1459 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1460 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1461 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1462 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1463 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1464 Delete unused and/or empty files.
1466 * config.gcc: Define USG in xm_defines as appropriate. Define
1467 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1468 macro. Remove deleted xm-* files from $xm_files variable.
1470 2001-03-07 Tom Tromey <tromey@redhat.com>
1472 * configure: Rebuilt.
1473 * configure.in: Allow config-lang.in to set `lang_requires' to list
1474 of other required languages.
1476 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1478 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1480 (output_prologue): Use xmalloc not oballoc.
1481 (output_epilog): Free a29k_first_epilogue_insn when finished.
1482 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1484 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1486 * builtins.c (expand_builtin_mathfn): Check
1487 flag_unsafe_math_optimizations, not flag_fast_math.
1488 (expand_builtin): Likewise
1489 * combine.c (combine_simplify_rtx): Likewise.
1490 (simplify_if_then_else): Likewise.
1491 * cse.c (fold_rtx): Likewise.
1492 * flags.h: Remove flag_fast_math. Add
1493 flag_unsafe_math_optimizations and flag_trapping_math.
1494 * fold-const.c (negate_expr): Check
1495 flag_unsafe_math_optimizations, not flag_fast_math.
1496 (invert_truthvalue): Likewise.
1497 (fold): Likewise. Before associating operands, check that
1498 code == MULT_EXPR, not code != MULT_EXPR.
1499 * ifcvt.c (noce_try_minmax): Check
1500 flag_unsafe_math_optimizations, not flag_fast_math.
1501 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1502 * invoke.texi: Document -funsafe-math-optimizations and
1503 -fno-trapping-math. Change documentation for -ffast-math.
1504 * jump.c (reversed_comparison_code_parts): Likewise.
1505 (rtx_equal_for_thread_p): Likewise.
1506 * optabs.c (emit_conditional_move): Likewise.
1507 * simplify-rtx.c (simplify_binary_operation): Likewise.
1508 (simplify_relational_operation): Likewise.
1509 (simplify_ternary_operation): Likewise.
1510 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1511 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1512 Add trapping-math and unsafe-math-optimizations entries to f_options.
1513 (set_fast_math_flags): New, sets flags for -ffast-math.
1514 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1515 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1516 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1518 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1519 (alpha_emit_conditional_move): Initialize local_fast_math to
1520 flag_unsafe_math_optimizations, not flat_fast_math.
1521 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1522 instead of setting flag_fast_math to 1.
1523 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1525 * config/i386/i386.c (override_options): Likewise
1526 * config/i386/i386.md: Likewise.
1527 * config/m68k/m68k.md: Likewise.
1528 * config/mips/mips.md: Likewise.
1529 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1530 (rs6000_generate_compare): Likewise.
1532 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1534 * Makefile.in: Set RANLIB to @RANLIB@.
1537 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1539 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1540 * fixinc/fixincl.x: Regenerated.
1542 2001-03-07 Richard Henderson <rth@redhat.com>
1544 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1546 2001-03-07 Richard Henderson <rth@redhat.com>
1548 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1549 of block notes and exception handling notes.
1551 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1552 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1553 (compile_file): ... here.
1555 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1559 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1560 config.h now. Include libiberty.h to handle alloca.
1562 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1564 * c-parse.in (yylexname): New function, split out of _yylex.
1565 (objc_rid_sans_at): New table.
1566 (init_reswords): Initialize it.
1567 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1568 retrieving the next token and checking it for significance as
1569 an ObjC keyword or string constant.
1571 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1572 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1574 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1577 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1579 * config/m68k/m68k.c (const_uint32_operand): Accept any
1580 const_int on a 32-bit host.
1582 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1584 * objc/objc-act.c (init_objc): Set save_lang_status,
1585 restore_lang_status, and mark_lang_status.
1587 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1589 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1591 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1593 * cppinternals.texi: Update.
1595 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1598 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1599 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1600 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1601 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1602 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1603 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1604 config/i386/xm-i386.h, config/i860/xm-i860.h,
1605 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1606 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1607 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1608 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1609 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1610 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1611 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1612 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1613 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1614 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1615 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1616 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1617 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1618 match the defaults provided in hwint.h.
1620 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1621 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1623 * config.gcc (xm_file): Don't set to files which are deleted.
1625 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1626 guard this file against these macros being undefined.
1628 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1630 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1631 and DECL_DEFER_OUTPUT on the decl we create, before calling
1632 rest_of_decl_compilation.
1634 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1636 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1638 * configure, config.in: Regenerate.
1639 * config.gcc: Remove references to deleted files.
1641 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1642 genrecog.c, rtl.c: Do not use alloca anywhere.
1644 * Makefile.in, build-make, system.h, config/x-interix,
1645 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1646 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1647 config/arc/xm-arc.h, config/arm/xm-arm.h,
1648 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1649 config/h8300/xm-h8300.h, config/i370/x-oe,
1650 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1651 config/i386/x-ncr3000, config/i386/x-sco5,
1652 config/i386/xm-dgux.h, config/i860/x-sysv4,
1653 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1654 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1655 config/m68k/x-hp320g, config/m69k/x-mot3300,
1656 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1657 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1658 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1659 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1660 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1661 config/mips/x-iris, config/mips/x-iris3,
1662 config/mips/x-sni-svr4, config/mips/x-sysv,
1663 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1664 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1665 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1666 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1667 config/pa/xm-papro.h, config/romp/xm-romp.h,
1668 config/rs6000/x-aix31, config/rs6000/x-aix41,
1669 config/rs6000/x-beos, config/rs6000/x-lynx,
1670 config/rs6000/x-mach, config/rs6000/x-rs6000,
1671 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1672 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1673 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1674 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1675 config/vax/xm-vms.h: Eradicate all references to alloca and
1678 * config/xm-alloca.h, config/clipper/x-clix,
1679 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1680 config/i860/x-sysv3, config/m88k/x-sysv3,
1681 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1682 (contained only alloca related hacks).
1684 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1687 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1689 * invoke.texi: Document __FAST_MATH__.
1691 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1693 * crtstuff.c: Restore include of auto-host.h.
1695 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1697 Put main() in a separate file, so that the language
1698 front-end can use a different main().
1701 * toplev.c: (main): Rename as toplev_main.
1702 * toplev.h: Declare toplev_main.
1703 * Makefile.in (OBJS): add toplev.o.
1704 (BACKEND): remove toplev.o, add main.o.
1706 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1708 * cppfiles.c (search_from): Special case the empty string.
1710 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1712 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1713 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1714 strlen or strcpy; we already know the length.
1715 (_cpp_compare_file_date): Similarly.
1716 * cpphash.h (struct cpp_reader): Delete done_initialising.
1717 (CPP_PREV_BUFFER): Delete.
1718 * cppinit.c (cpp_start_read): Don't set done_initialising.
1719 * cpplex.c (parse_string): Guarantee null-termination.
1720 (_cpp_equiv_toklists): Remove.
1721 * cpplib.c (glue_header_name): Null-terminate.
1722 (do_line): Don't leak memory.
1723 * cpplib.h (BT_WEAK): Delete.
1724 * cppmain.c (cb_ident): Strings are now null-terminated.
1726 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1728 * gcc.c (convert_filename): Append executable suffix
1729 if NO_AUTO_EXE_SUFFIX is not defined.
1730 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1731 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1733 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1735 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1736 * c-parse.gperf, c-gperf.h: Delete.
1737 (c-gperf.h was accidently re-added to the CVS repo in the rev
1738 1.16 commit by tromey)
1740 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1742 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1743 macro arguments when looking for the '('.
1744 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1745 2 when really parsing arguments; 1 when looking for '('.
1746 Always restore the lexer position.
1748 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1750 * longlong.h (umul_ppmm): Don't use a multiline string.
1752 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1754 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1755 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1756 t_bool in declaration because pcc can't combine volatile with typedef
1759 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1761 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1762 until when it is really needed.
1763 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1764 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1765 * i386.md (float?i?f splitter): Don't force source operand to memory
1767 (sse_movdfcc): Fix constraint.
1768 (sse_movdfcc splitter): Handle properly the second alternative.
1770 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1772 * cpplex.c (parse_string): Unconditionally pedwarn.
1774 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1777 * cppexp.c (parse_number): Update.
1778 * cpplex.c (parse_string): Pedwarn if multiline string does not
1779 result from a system header's macro.
1780 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1781 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1782 for function-like macros too.
1783 * c-lex.c (lex_number): Update.
1785 2001-03-03 Richard Henderson <rth@redhat.com>
1787 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1789 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1791 * combine.c (try_combine): If split with mode-changed scratch
1792 register didn't work, try the original mode.
1794 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1796 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1797 * config/c4x/c4x.h: Likewise.
1798 * stor-layout.c (compute_record_mode): Likewise.
1799 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1801 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1803 * configure.in: Kill tm.h. Include the files in the $tm_file
1804 list in all three of config.h, hconfig.h, tconfig.h, after the
1805 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1806 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1807 * configure: Regenerate.
1808 * Makefile.in (clean): Don't delete tm.h.
1810 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1811 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1812 those are not defined, set SEC and FEC to 0 and 1.
1813 * gcc.texi: Update to match.
1815 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1816 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1817 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1818 Include tconfig.h, not tm.h.
1820 * config/xm-lynx.h, config/xm-std32.h,
1821 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1822 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1823 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1824 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1825 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1826 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1827 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1828 config/i386/xm-i386.h, config/i860/xm-i860.h,
1829 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1830 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1831 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1832 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1833 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1834 config/pa/xm-linux.h, config/pa/xm-pa.h,
1835 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1836 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1837 config/pj/xm-pj.h, config/romp/xm-romp.h,
1838 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1839 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1840 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1841 config/v850/xm-v850.h, config/vax/xm-vax.h,
1842 config/we32k/xm-we32k.h:
1844 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1846 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1847 config/i370/xm-oe.h: Don't include tm.h. Don't define
1849 * config/vax/xm-vms.h: Don't include tm.h.
1851 * config/xm-lynx.h, config/avr/xm-avr.h,
1852 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1853 Delete; made empty by above changes.
1854 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1855 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1856 Don't include config/xm-lynx.h or tm.h.
1858 * config/xm-gnu.h: Don't include fcntl.h.
1859 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1861 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1863 2001-03-02 Richard Henderson <rth@redhat.com>
1865 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1866 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1868 2001-03-02 Richard Henderson <rth@redhat.com>
1870 * Makefile.in (OBJS): Add dwarf2asm.o.
1871 * dwarf2asm.c, dwarf2asm.h: New files.
1872 * dwarf2out.c (*): Use them.
1873 (size_of_uleb128, size_of_sleb128): Remove.
1874 (output_uleb128, output_sleb128): Remove.
1875 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1876 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1877 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1878 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1879 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1880 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1881 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1882 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1883 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1884 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1885 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1886 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1887 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1888 (dwarf2out_frame_debug): Remove unused variables.
1889 (output_loc_operands): Don't abort on 8 byte constants if
1890 host integers are wide enough.
1891 (output_symbolic_ref): Remove.
1892 (size_of_die): Don't assume 4 byte host integers.
1893 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1895 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1896 something stupid with HOST_WIDE_INT to long truncation.
1897 [CONST_DOUBLE]: Likewise.
1899 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1900 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1901 * config/arm/unknown-elf.h: Likewise.
1902 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1903 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1904 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1905 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1906 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1907 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1908 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1909 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1910 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1911 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1912 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1913 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1915 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1917 * cselib.c (hash_rtx): Cast enums to unsigned int.
1919 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1921 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1922 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1924 * c-format.c (C_STD_VER): Cast to int for comparisons.
1925 (check_function_format): Cast various enums to int for &.
1926 (maybe_read_dollar_number): Likewise.
1927 (check_format_info): Likewise.
1928 (check_format_info_main): Likewise.
1929 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1930 (safe_from_p): Likewise.
1931 * varasm.c (const_hash): Cast enum to int for %.
1932 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1933 pcc enum problems with < and ++ operators.
1934 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1935 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1936 (regclass_init): Change enum class to int to iterate over reg_classes.
1937 * genrecog.c (merge_trees): Cast enums for comparison.
1938 * rtl.h (GET_CODE): Cast to enum rtx_code.
1939 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1940 (GET_MODE): Cast to enum machine_mode.
1941 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1942 (GET_NOTE_INSN_NAME): Cast enum to int.
1943 * tree.h (TREE_CODE): Cast to enum tree_code.
1944 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1945 * timevar.c (timevar_print): Change loop variable id from enum to
1947 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1948 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1949 * toplev.c (compile_file): Cast enum DFI to int.
1950 (decode_d_option): Likewise.
1952 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1954 * cppinit.c (append_include_chain): Mark "after" include file name list
1955 as a system directory.
1956 * cpp.texi: Document new behavior.
1958 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1960 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1962 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1964 * cppfiles.c (struct include_file): Update.
1965 (stack_include_file): Use search_from.
1966 (cpp_included, find_include_file): Update.
1967 (cpp_execute_include): Update. ptr->name may not be
1968 null terminated. Use the new search_from member variable
1970 (_cpp_compare_file_date): Similarly.
1971 (search_from): New function, similiar to actual_directory.
1972 (actual_directory): Delete.
1973 (remap_filename): Update. loc->name may not be null terminated.
1974 (struct file_name_list): Rename search_path. Update.
1975 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1976 search_from and dir.
1977 (struct cpp_reader): Remove actual_dirs.
1978 * cppinit.c (struct cpp_pending): Update for renamed objects.
1979 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1980 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1981 * cpplib.h (struct cpp_options): Similarly.
1983 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1985 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1986 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1987 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1988 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1989 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1990 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1991 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1992 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1993 config/i370/xm-oe.h, config/i386/xm-aix.h,
1994 config/i386/xm-i386.h, config/i386/xm-osf.h,
1995 config/i860/xm-i860.h, config/i960/xm-i960.h,
1996 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1997 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1998 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1999 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2000 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2001 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2002 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2003 config/pj/xm-pj.h, config/romp/xm-romp.h,
2004 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2005 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2006 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2007 config/v850/xm-v850.h, config/vax/xm-vax.h,
2008 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2009 Do not define TRUE or FALSE.
2011 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2012 empty by above change.
2013 * config.gcc: Remove references to these files.
2015 * configure.in: Detect stdbool.h.
2016 * configure, config.in: Regenerate.
2017 * system.h: Include stddef.h here if available.
2018 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2019 Then set up a sensible boolean type at the very end.
2021 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2022 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2024 * hash.h: Delete 'boolean' typedef and related #undefs.
2026 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2027 all uses of 'boolean' with 'bool'.
2029 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2031 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2032 * cppexp.c (lex): Cast enums for comparison.
2033 * cppinit.c (parse_option): Cast enum for comparison.
2034 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2035 (cpp_output_token): Likewise.
2036 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2037 (cpp_avoid_paste): Cast enums for minus and comparison.
2039 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2041 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2042 field to all array elements.
2044 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2046 * cpphash.h (struct cpp_reader): Add print_version field.
2047 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2048 just set print_version and other flags as appropriate.
2049 (cpp_post_options): Print version here if print_version is set.
2051 * toplev.c (exit_after_options): New flag.
2052 (independent_decode_option): Don't exit here; just set
2054 (main): Exit after calling lang_hooks.post_options if
2055 exit_after_options is true.
2057 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2058 (merge_include_chains): Adjust comment to match code.
2060 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2062 * stringpool.c (set_identifier): New function.
2063 * tree.h: Prototype it.
2065 * c-parse.in: Kill D_YES. If compiled for objc, call
2066 save_and_forget_protocol_qualifiers from init_reswords.
2067 * objc/objc-act.c (remember_protocol_qualifiers,
2068 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2069 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2071 (save_and_forget_protocol_qualifiers): New function.
2072 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2074 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2076 * c-semantics.c (prune_unused_decls): Return error_mark_node
2077 instead of (tree) 1 to stop traversing the tree chain.
2079 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2081 Fix a problem introduced by Kenner's Feb 18 change.
2082 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2083 flag_cse_skip_blocks only temporarily, not for ever.
2085 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2087 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2088 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2090 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2091 before determining its register class.
2093 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2095 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2096 from reg 4 if current_function_calls_setjmp.
2097 (gen_nop_type): New function.
2098 (ia64_emit_nops): New function.
2099 (ia64_reorg): Call it.
2100 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2102 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2103 code not to try to optimize adds with anything but a REG destination.
2105 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2106 (INSN_PRIORITY_KNOWN): New accessor macro.
2107 * haifa-sched.c (priority): Use it instead of testing priority against
2110 2001-02-28 DJ Delorie <dj@redhat.com>
2112 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2113 since that doesn't work the way gcc wants on a generic m68k.
2115 2001-02-28 Richard Henderson <rth@redhat.com>
2117 * caller-save.c (save_call_clobbered_regs): Fix typo in
2118 comparison last change.
2120 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2122 * i386.c (pentium4_cost): New.
2123 (m_PENT4): New macro.
2124 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2125 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2126 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2127 x86_memory_mismatch_stall): Add Pentium4
2128 (x86_use_q_reg, x86_use_any_reg): Kill.
2129 (override_options): Add pentium4.
2130 (incdec_operand): Return 0 for pentium4.
2131 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2132 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2133 (TARGET_PENTIUM4): Define.
2134 (enum processor_type): Add PROCESSOR_PENTIUM4.
2135 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2136 * i386.md (attribute "cpu"): Add pentium4.
2137 * invoke.texi (march): Add pentium4.
2139 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2141 * i386.md (sse_mov?fcc*): New patterns and splitters.
2142 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2143 the SSE based conditional moves.
2145 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2147 * i386.md (attribute mode): Add "TI".
2148 (movsf_1): Add pxor support; remove constant propagation splitter.
2149 (movdf_integer): Likewise.
2150 (movdf_nointeger): Likewise.
2151 (movxf constant prop splitter): Handle all modes; update for SSE.
2152 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2153 * i386.c (standard_80387_constant_p): Rewrite.
2154 (standard_sse_constant_p): New.
2155 * i386-protos.h (standard_sse_constant_p): New.
2157 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2159 * i386.md (sse_setccsf, sse_setccdf): New.
2160 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2162 * i386.c (sse_comparison_operator): Accept the supported unordered
2163 comparses; be ready for fast_math.
2164 (print_operand): Support 'D'.
2166 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2168 * jump.c (reversed_comparison_code): Kill.
2170 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2172 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2175 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2177 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2178 add missing '%' in constraints.
2180 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2182 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2183 for HOST_BITS_PER_WIDE_INT == 32 too.
2185 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2187 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2189 (insert_save, insert_restore): New parameter save_mode.
2190 (init_caller_save): Update initialization of reg_save_code
2191 and reg_restore_code.
2192 (save_call_clobbered_regs): Compute save_modes and update calls to
2193 reg_save_code and reg_restore_code.
2194 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2195 of spill; update use of reg_restore_code.
2196 (insert_save): Likewise.
2197 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2198 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2199 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2201 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2203 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2204 noce_try_store_flag_inc, noce_try_store_flag_mask,
2205 noce_try_cmove_arith):
2206 Use reversed_comparison_code instead of reverse_comparison and
2207 can_reverse_comparison_p.
2209 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2211 * jump.c (reversed_comparison_code_parts): Allow reversal of
2212 unordered compares in -ffast-math mode; reverse ordered compares
2213 for FP even w/o -ffast-math.
2215 2001-02-27 Richard Henderson <rth@redhat.com>
2217 * print-rtl.c (print_rtx) [i]: Don't print field five on
2218 NOTEs other than NOTE_INSN_DELETED_LABEL.
2220 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2222 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2223 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2225 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2227 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2228 even if walk_subtrees is 0.
2229 * c-semantics.c (prune_unused_decls): Return a non-null value to
2230 stop traversing the tree chain.
2232 2001-02-27 DJ Delorie <dj@redhat.com>
2234 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2235 register, *then* define it as the new CFA.
2237 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2239 * pa.c (override_options): Promote -fpic to -fPIC.
2240 (legitimize_pic_address): Simplify due to removal of
2241 small PIC as a code generation option.
2242 (secondary_reload_class): Similarly.
2243 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2244 (PRINT_OPERAND_ADDRESS): Similarly.
2245 * pa.md (various patterns): Similarly.
2246 (small pic lo_sum pattern): Remove.
2248 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2251 * md.texi (min, max): Document
2253 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2255 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2256 TARGET_PARTIAL_REG_DEPENDENCY.
2257 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2259 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2261 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2263 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2265 * mips.c (mips_make_temp_file): Fix thinko in last change.
2267 2001-02-26 Jason Eckhardt <jle@redhat.com>
2269 * combine.c (known_cond): Do not reverse the condition when
2270 SMAX/UMAX is being considered and the condition is for equality
2273 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2275 2001-02-26 Philip Blundell <philb@gnu.org>
2277 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2279 * config/arm/linux-elf.h: Remove historical relics related to
2280 above configurations.
2281 * config/arm/linux-oldld.h: Delete.
2282 * config/arm/linux-elf26.h: Delete.
2284 2001-02-26 Jason Merrill <jason@redhat.com>
2286 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2288 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2289 recognize a tentative definition. Lose obsolete code.
2291 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2292 variables unless necessary, either.
2294 2001-02-25 Richard Henderson <rth@redhat.com>
2296 * ifcvt.c (struct noce_if_info): Add test_bb.
2297 (noce_get_alt_condition): New.
2298 (noce_try_minmax, noce_try_abs): New.
2299 (noce_operand_ok): New.
2300 (noce_process_if_block): Use them.
2301 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2303 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2305 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2308 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2310 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2311 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2313 (mips_asm_file_end): Free temp_filename here.
2315 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2317 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2318 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2320 * config/i386/i386.md (movstrsi): Handle FAIL case.
2322 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2324 * cppinit.c (builtin_array): Update.
2325 (init_builtins): Flag builtins to warn if redefined or
2326 undefined. Define __GXX_WEAK as a normal macro.
2327 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2328 * cpplib.h (NODE_WARN): New flag.
2329 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2330 Handle __STDC__ as a builtin only on Solaris.
2331 (warn_of_redefinition): Renamed from check_macro_definition.
2332 Reverse sense of test. Always warn if NODE_WARN.
2333 (_cpp_create_definition): Use warn_of_redefinition. Flag
2334 any macro beginning with "__STDC_" to require a mandatory
2335 warning if redefined or undefined.
2337 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2339 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2340 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2341 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2342 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2343 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2344 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2345 Don't define any of:
2346 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2347 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2348 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2349 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2350 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2352 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2353 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2356 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2357 Delete now-empty file.
2359 * alpha/vms.h: Define NEED_ATEXIT here...
2360 * alpha/xm-vms.h: ...not here.
2362 * i386/cygwin.h: Don't define PARAMS.
2363 * mips/mips.c: Don't prototype mktemp. Don't define
2364 P_tmpdir. Use make_temp_file to create temporary files.
2365 Don't be clever and delete temporary files early.
2366 * config.gcc: Drop references to deleted files. Don't define
2368 * gcc.texi: Don't mention USE_PROTOTYPES.
2370 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2373 (ix86_set_move_mem_attrs_1): Likewise.
2374 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2375 * config/i386/i386.md (movstrsi): Call it.
2377 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2379 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2380 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2381 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2382 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2384 (i750a-*-*): Error here if hosting on i750a.
2385 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2387 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2388 Remove (empty modulo comments).
2390 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2391 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2392 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2393 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2394 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2395 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2397 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2398 Remove reference to winnt.h in comment.
2399 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2401 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2403 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2404 used to set another biv.
2406 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2408 * tree.h (BLOCK_DEAD): New macro.
2409 (struct tree_block): New flag, dead_flag.
2410 * print-tree.c (print_node, case 'b'): Print missing fields.
2411 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2412 * function.c (identify_blocks): Enable test for misplaced notes.
2413 (all_blocks): Skip BLOCK_DEAD blocks.
2414 * integrate.c (integrate_decl_tree): Likewise.
2416 * errors.c (internal_error, trim_filename): New functions.
2417 (fancy_abort): Call internal_error.
2418 * errors.h (internal_error, trim_filename): New declarations.
2420 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2422 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2424 (EXTRA_CONSTRAINT): Formatting changes.
2426 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2430 2001-02-23 Per Bothner <per@bothner.com>
2432 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2433 so they can be called from java/jvspec.c.
2434 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2436 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2438 * i386.c (ix86_frame): New structure.
2439 (ix86_compute_frame_size): Kill.
2440 (ix86_compute_frame_layout): New.
2441 (ix86_save_reg): New.
2442 (ix86_can_use_return_insn_p): Use frame layout stuff.
2443 (ix86_expand_prologue): Likewise.
2444 (ix86_expand_epilogue): Likewise.
2445 (ix86_initial_elimination_offset): Likewise.
2446 (ix86_nsaved_regs): Use ix86_save_reg.
2447 (ix86_emit_save_regs): Likewise.
2449 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2451 * flow.c (find_sub_basic_blocks): New function.
2452 (split_block): Be ready for basic block introduced by CODE_LABEL.
2453 (commit_one_edge_insertion): Call find_sub_basic_block.
2455 * flow.c (make_edges): Add edge from entry for blocks starting with
2456 label having ALTERNATE_NAME
2458 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2460 * function.c (epilogue_done): Be ready for first basic block not
2461 containing PROLOGUE_END note.
2462 (reposition_prologue_and_epilogue_notes): Avoid placing
2463 PROLOGUE_END note between BASIC_BLOCK.
2465 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2467 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2469 2001-02-21 DJ Delorie <dj@redhat.com>
2471 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2472 check for current_function_has_nonlocal_goto from 1999-11-12.
2474 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2476 * diagnostic.c (trim_filename): No longer static.
2477 * toplev.h (trim_filename): Declare.
2478 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2479 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2480 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2481 (rtvec_check_failed_bounds): Likewise.
2482 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2484 * convert.c (convert_to_integer): Don't do unsigned unless result or
2485 both inputs are unsigned.
2487 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2490 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2492 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2494 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2496 * Makefile.in (resource.o): Add params.h dependence.
2497 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2498 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2499 * resource.c: Add dependence on params.h.
2500 (current_live_regs): Fix explanatory comment.
2501 (find_basic_block): Add new parameter to permit limiting search
2503 (mark_target_live_regs): Add new argument to find_basic_block call.
2504 (incr_ticks_for_insn): Likewise.
2506 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2508 * diagnostic.c (output_to_stream): Rename to
2509 output_buffer_to_stream. Loses the stream parameter.
2510 (init_output_buffer): Set diagnosic_buffer's stream.
2511 (flush_diagnostic_buffer): Adjust.
2512 (default_print_error_function): Likewise.
2513 (finish_diagnostic): Likewise.
2514 (verbatim): Likewise.
2516 * diagnostic.h (struct output_buffer): Add `stream' field.
2517 (output_buffer_attached_stream): New macro.
2519 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2521 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2522 check if either operand is divisible by C.
2523 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2524 If type is signed, consider negative numbers as well.
2526 2001-02-22 Richard Henderson <rth@redhat.com>
2528 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2529 reach .text instead of gp-relative relocs.
2530 * config/ia64/crtend.asm (.init): Likewise.
2532 2001-02-22 Andreas Jaeger <aj@suse.de>
2534 * extend.texi (C++ Attributes): Fix typo.
2536 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2538 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2539 functions, drop current_function_args_info.words test.
2540 (ia64_compute_frame_size): Mark syscall_linkage functions as
2541 using eight input registers.
2543 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2544 Bruce Korb <bkorb@gnu.org>
2546 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2547 * fixinc/README: Document how to convert sed substitutions
2548 to format style c_fix-es.
2549 * fixinc/fixincl.x: regen
2551 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2553 * gcc.c: Add comment explaining how to add a command-line option.
2554 Add title to specs language comment.
2556 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2558 * gcc.c (cc1_options): Add "-param".
2559 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2560 (option_map): Likewise.
2561 * toplev.c (display_help): Add entry for "--param".
2562 (independent_decode_option): Fix typographical error.
2564 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2565 Bernd Schmidt <bernds@redhat.com>
2566 Jan Hubicka <jh@suse.cz>
2568 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2569 (function_arg): Likewise.
2571 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2573 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2575 2001-02-21 Kazu Hirata <kazu@hxi.com>
2577 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2581 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2583 * flow.c (init_propagate_block_info): Canon address and use single_set
2584 for killing dead memory stores.
2586 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2588 * Makefile.in (reorg.o): Add params.h dependence.
2589 * params.def: Fix typographical error in comment.
2590 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2591 * params.h: Modify introductory comment.
2592 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2593 * reorg.c: Add dependence on params.h.
2594 (redundant_insn): Add parameterized throttle for search.
2595 (fill_simple_delay_slots): Add a comment explaining a variable.
2596 Move conditional out of loop, simplifying code.
2597 (fill_eager_delay_slots): Fix typographical error in comment.
2599 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2601 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2603 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2604 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2606 2001-02-21 Jason Merrill <jason@redhat.com>
2608 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2609 (struct tree_decl): Add uninlinable bitfield.
2610 * c-decl.c (duplicate_decls): Set it.
2611 * integrate.c (function_cannot_inline_p): Check it.
2613 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2614 DW_AT_MIPS_linkage_name to abstract methods.
2615 (dwarf2out_abstract_function): Emit class context before calling
2616 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2617 (gen_subprogram_die): Remove obsolete code.
2618 (gen_member_die): Don't include clones in the member list.
2619 (gen_decl_die): Emit abstract info for clone origin.
2620 * dwarfout.c (output_type): Don't include clones in the member list.
2621 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2622 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2623 DECL_ABSTRACT on a function that already has it set.
2625 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2626 (get_subprogram_die): Pass it in.
2628 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2630 * flow.c (mark_set_1): Make not_dead unsigned long. For
2631 non-pseudos, use it as a bitmask of the hard regs that
2634 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2636 * cppfiles.c: Update comments.
2637 (_cpp_read_file): Don't check for NULL filenames any more.
2638 * cppinit.c (cpp_start_read): Don't do canonicalization of
2639 in_fname and out_fname. Use the passed file name exclusively.
2640 (_cpp_handle_options): Don't treat "-" as a command line option,
2641 but as a normal filename.
2642 (_cpp_post_options): Canonicalize in_fname and out_fname.
2643 * cppmain.c (printer_init): Don't check out_fname for NULL.
2644 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2645 (init_c_lex): Update, and use "" to represent stdin to CPP.
2648 2001-02-20 Will Cohen <wcohen@redhat.com>
2650 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2651 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2652 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2655 2001-02-20 Stan Shebs <shebs@apple.com>
2657 * config/rs6000/rs6000.c (output_cbranch): Output branches
2658 on separate lines instead of using ';' to separate.
2660 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2662 * cppinit.c (set_lang): Move builtin handling to...
2663 (init_builtins): ...here.
2664 (_cpp_create_reader): Move call to set_lang.
2666 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2668 * stmt.c (expand_return): If an attempt is made to return the
2669 error_mar_node, treat the return like a return without a value.
2671 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2673 * sibcall.c (skip_copy_to_return_value): Call
2674 identify_call_return_value here, and return orig_insn if it
2675 returns zero. Hardret and softret arguments now unnecessary.
2676 (call_ends_block_p): Don't call identify_call_return_value here.
2678 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2680 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2681 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2683 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2685 * pa.c (move_operand): Accept code to load the address of a
2686 symbol out of the DLT as a valid move operand.
2687 (print_operand, case 'A'): New to handle generating a DLT
2688 reference for a LO_SUM expression.
2689 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2690 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2692 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2694 * README, cpp.texi, gcc.texi, version.c: Update version number to
2696 * cpp.1, gcov.1, gcc.1: Regenerate.
2698 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2700 * cppfiles.c (stack_include_file): Generate dependencies
2701 here, and manage include_count here too.
2702 (PRINT_THIS_DEP): Delete.
2703 (_cpp_execute_include): Do not generate dependencies here,
2704 apart from the case of a missing header. Do not manage
2706 (_cpp_read_file): Leave dependency generation to
2709 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2711 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2712 target_cpu_default. Remove dead assignment to
2715 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2717 * regclass.c (contains_reg_of_mode): Make global.
2718 (init_reg_sets): Remove contains_reg_of_mode; take into account
2719 CLASS_MAX_NREGS when looking for the proper mode.
2720 (dump_regclass): Dump only classes considered for the pseudo.
2721 (regclass): Use contains_reg_of_mode.
2723 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2725 * gcc.c (do_spec_1): 'n' for printing notices.
2726 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2728 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2730 * reg-stack.c (next_flags_user): Use current_block->end
2731 (swap_rtx_condition): Look for next user if flags don't die;
2732 give up on CALL_INSNs; use current_block->end.
2734 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2736 * sibcall.c (call_ends_block_p): New function.
2737 (optimize_sibling_and_tail_recursive_call): Use it.
2739 2001-02-18 Kazu Hirata <kazu@hxi.com>
2741 * config/h8300/h8300.md: Update copyright.
2742 (andsi3): Do not output an extra newline character.
2744 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2746 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2747 FNDECL may be unused.
2749 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2750 follow jumps after first run.
2751 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2752 it doesn't change any jumps.
2754 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2756 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2757 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2758 (mostlyclean): Corresponding changes.
2759 * rtlanal.c (hard-reg-set.h): Include.
2760 (rtx_unstable_p): Do not treat the argument pointer specially
2761 if it is not a fixed register.
2762 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2764 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2766 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2767 against last real insn in basic block.
2768 Rework to avoid gotos.
2770 * Makefile.in (gcse.o): Now includes ggc.h.
2771 * gcse.c: Include ggc.h.
2772 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2773 (try_replace_reg): Remove warning of uninitialize variable.
2774 (process_insert_insn): Call invalid_insn_p to validate insn.
2775 * recog.c (insn_invalid_p): Now global.
2776 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2777 * recog.h (insn_invalid_p): New declaration.
2779 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2781 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2782 assignments from FP constants since 'Y' output code can't handle it.
2783 (eligible_for_sibcall_delay): Likewise.
2785 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2786 Call fancy_abort directly, passing args.
2787 (print_rtl_and_abort): Now a macro, like fancy_abort.
2789 * final.c (output_operand_lossage): Use internal_error, not error.
2791 2001-02-18 Shane Nay <shane@agendacomputing.com>
2793 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2794 structure shift insns.
2796 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2798 * invoke.texi (-fsquangle): Remove documentation.
2799 (-fname-mangling-version): Likewise.
2801 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2803 * optabs.c (expand_abs): Remove reference to
2804 HAVE_contitional_arithmetic.
2805 * combine.c (simplify_set): Likewise.
2807 2001-02-18 Richard Henderson <rth@redhat.com>
2809 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2812 2001-02-18 Richard Henderson <rth@redhat.com>
2814 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2816 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2818 * reload1.c (reload_cse_simplify_set): Fix typo.
2820 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2822 * diagnostic.c (_fatal_insn): Decrement errorcount.
2824 * invoke.texi (-I): Add note avoiding use for system header files.
2826 * rtl.h (add_clobbers): Remove duplicate declaration.
2827 * recog.h (added_clobbers_hard_reg_p): New declaration.
2828 * genemit.c (struct clobber_pat): New field has_hard_reg.
2829 (gen_insn): Record if added clobbers clobber hard reg.
2830 (gen_split): Avoid unused warning if number of operands is 0.
2831 (output_added_clobbers_hard_reg_p): New function.
2834 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2836 * pa.c (hppa_expand_prologue): Simplify code storing return
2837 pointer. For large (>=8k) frames with a post_store, adjust stack
2838 pointer by 8k-64 first rather than by 64. When testing with
2839 VAL_14_BITS_P, always use the actual value rather than the value
2840 negated. Add blockage to prevent scheduling of spills before
2841 stack frame has been created.
2842 (hppa_expand_epilogue): Simplify code loading return pointer.
2843 Allow a slightly larger range for merge_sp_adjust_with_load case.
2844 When testing with VAL_14_BITS_P, always use the actual value.
2846 * pa.c (pa_adjust_insn_length): Check that block move
2847 pattern is a set before looking at operands.
2849 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2851 * fold-const.c (fold_binary_op_with_conditional_arg): New
2852 function, split out from ...
2854 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2855 conditional arms that throw exceptions.
2857 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2860 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2863 define HAVE_DECL_* to 1 to mask potential backup declarations.
2864 * configure: Regenerated.
2866 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2868 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2870 2001-02-17 Richard Henderson <rth@redhat.com>
2872 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2873 when replacing a memory load with a register.
2875 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2876 Jan Hubicka <jh@suse.cz>
2878 * recog.c (validate_replace_src_1): New.
2879 (validate_replace_src_data): Likewise.
2880 (validate_replace_src): Use note_uses.
2881 * rtl.h (note_uses): Declare.
2882 * rtlanal.c (note_uses): New.
2884 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2886 * reg-stack.c (stack_def): Make field reg unsigned.
2887 (remove_regno_note): Unsignetize parameter.
2889 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2891 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2892 shladd_operand() call.
2894 2001-02-16 Bruce Korb <bkorb@gnu.org>
2895 Rodney Brown <RodneyBrown@mynd.com>
2897 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2898 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2899 machine restrictions
2900 * fixinc/fixincl.x: regen
2902 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2904 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2906 (hash_scan_insn): Clean up calls to hash_scan_set.
2907 (compute_kill_rd): REGNO now unsigned.
2908 (try_replace_reg): Rework to use simplify_replace_rtx.
2909 (cprop_jump, cprop_cc0_jump): Likewise.
2910 (cprop_insn): Call find_reg_equal_equiv_note.
2911 Reflect changes to cprop_jump and cprop_cc0_jump.
2913 * recog.c (validate_replace_src): Replace in operands of
2914 ZERO_EXTRACT in SET_DEST.
2916 * cse.c (new_label_ref): New variable.
2917 (insert): Set it instead of recorded_label_ref.
2918 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2919 CODE_LABEL for this function, and not already in REG_LABEL note.
2921 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2923 * resource.c (mark_referenced_resources): Fix typo in introductory
2925 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2928 2001-02-16 Jason Merrill <jason@redhat.com>
2930 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2932 (gen_subprogram_die): Don't abort on seeing a second definition if
2933 the previous one was abstract. Don't replace an abstract instance
2934 in the lookup table.
2936 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2937 gen_abstract_function.
2938 * dwarf2out.h: Declare it.
2939 * toplev.c (note_outlining_of_inline_function): New fn.
2940 * toplev.h: Declare it.
2941 * integrate.c (output_inline_function): Call it.
2942 * c-decl.c (duplicate_decls): Call it when redefining an extern
2943 inline. Don't inline the new defn.
2945 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2947 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2949 * .gdbinit: Rename to gdbinit.in.
2950 * gdbinit.in: New file,
2951 * configure.in: Generate .gdbinit from gdbinit.in.
2952 * configure: Regenerated.
2953 * Makefile.in (distclean): Always remove .gdbinit.
2955 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2957 * objc/objc-act.c (start_class): Register implemented_classes with
2960 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2962 * cppfiles.c (_cpp_make_system_header): Generate a file
2965 2001-02-15 Jim Meyering <meyering@lucent.com>
2967 * Makefile.in (install-common): Don't depend on installdirs here.
2968 Instead, make each of the lang.install-common targets (e.g.,
2969 c++.install-common in cp/Make-lang.in) depend on it.
2970 (install-driver): Depend on installdirs.
2972 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2974 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2976 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2979 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2981 * invoke.texi (--param): Document.
2983 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2985 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2987 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2989 * i386.md (extendsfdf2_2): Fix constraints.
2991 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2993 * i386.md (fop_df_3 splitter): Fix operand number.
2995 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2997 * invoke.texi (-mreg-alloc): Nuke.
2998 * i386.c (ix86_reg_alloc_order, regs_allocated,
2999 order_regs_for_local_alloc): Nuke.
3000 (override_options): Kill reg_alloc code.
3001 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3002 (REG_ALLOC_ORDER): SSE goes before I387.
3003 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3004 (ix86_reg_alloc_order): Likewise.
3005 * i386-protos.h (ix86_reg_alloc_order): Kill.
3007 2001-02-14 Richard Henderson <rth@redhat.com>
3009 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3011 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3013 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3015 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3017 * i386-protos.h (ix86_memory_move_cost): Move offline.
3018 * i386.c (ix86_register_move_cost): Compute properly cost of
3019 SSE, MMX and i387 instructions.
3020 (*_cost): Add costs of SSE/MMX moves.
3021 (ix86_memory_move_cost): Move offline from ....; Likewise.
3022 * i386.h (MEMORY_MOVE_COST): .... here;
3023 (struct processor costs): Add new fields to represent costs
3026 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3028 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3029 move_cost together with Matt Kraai's fix.
3031 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3033 * Makefile.in (OBJS): Add params.o.
3035 2001-02-14 Richard Henderson <rth@redhat.com>
3036 DJ Delorie <dj@redhat.com>
3038 * jump.c (jump_optimize_1): When we delete a conditional jump
3039 preceeding a non-conditional jump to effectively the same place,
3040 make sure that the combined jump skips any clobber insns between
3043 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3045 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3047 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3049 * Makefile.in (toplev.o): Depend on params.h.
3050 (intergate.o): Likewise.
3051 (params.o): New target.
3052 * flags.h (inline_max_insns): Remove.
3053 * integrate.c: Include params.h.
3054 Use MAX_INLINE_INSNS instead of inline_max_insns.
3055 * params.c: New file.
3056 * params.h: Likewise.
3057 * params.def: Likewise.
3058 * toplev.c: Include params.h.
3059 (lang_independent_params): New variable.
3060 (decode_f_option): Use the param machinery instead of setting
3062 (independent_decode_option): Handle "--param name=value".
3063 (main): Register language-independent parameters.
3065 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3067 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3069 2001-02-14 Richard Henderson <rth@redhat.com>
3071 * regclass.c (init_reg_sets_1): Revert last two changes.
3073 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3075 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3076 (variable_size): Call put_pending_size.
3077 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3078 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3079 sizes list, put newly created SAVE_EXPR there as well.
3081 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3083 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3084 (errata_find_address_regs): load_group has only 2 entries.
3085 (errata_emit_nops): Likewise. shladd is not problematic.
3086 Clear last_group if nop was emitted.
3087 (fixup_errata): load_group has only 2 entries.
3090 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3092 * c-lex.c (lex_number): Only warn traditionally for U suffix
3093 outside system macros.
3094 * cppexp.c (parse_number): Similarly.
3095 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3096 * cppmacro.c (struct cpp_macro): New member node.
3097 (parse_args): Only warn about missing rest args if not
3099 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3100 (cpp_sys_objmacro_p): New.
3101 (_cpp_create_definition): Store the node with the macro defn.
3102 Remember if the macro is defined in a system header.
3104 2001-02-13 DJ Delorie <dj@redhat.com>
3106 * configure.in (check_languages): determine languages to check
3107 * Makefile.in (check-c++): alias for check-g++
3108 (check-f77): alias for check-g77
3109 (CHECK_TARGETS): depend on configured languages
3111 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3113 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3114 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3115 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3116 (sqrtextendsfdf2): Disable for SSE2.
3118 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3120 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3121 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3122 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3123 (sqrtextendsfdf2): Disable for SSE2.
3125 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3127 * i386.md (movsfcc_1): Support integer cmove instruction.
3128 (movdfcc_1): Likewise; new splitter.
3130 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3132 * i386.c (output_fp_compare): Support SSE.
3133 (prepare_fp_compare_args): SSE comparisons always support memory.
3134 * i386.h (TARGET_CMOVE): SSE imply cmove.
3135 * i386.md (cmp?f2): Enable for SSE too.
3136 (cmpfp_i*): Support SSE.
3138 (cmpfp_i_sse_only): New.
3139 (s*, b* fp expanters): Enable for SSE too.
3140 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3143 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3145 * regclass.c (init_reg_sets_1): Silence warning.
3147 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3149 * i386.md (sqrt?f2): Change to expander.
3150 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3152 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3154 * rtlanal.c (find_reg_equal_equiv_note): New function.
3155 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3156 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3157 * rtl.h: Add declarations for above functions.
3159 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3161 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3163 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3164 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3165 * flow.c (mark_regs_live_at_end): Likewise.
3166 (calculate_global_regs_live): Likewise.
3167 * gcse.c (compute_hash_table): Likewise.
3168 (compute_kill_rd): Likewise.
3169 * resource.c (mark_target_live_regs): Likewise.
3170 * rtl.h (INVALID_REGNUM): New macro.
3172 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3174 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3176 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3178 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3181 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3183 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3185 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3186 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3187 (fop_sf_1_sse, fop_df_1_sse): New patterns
3188 (fop_*): Disable float_extend and float patterns for SSE compilation.
3189 * i386.c (output_387_binary_op): Support SSE.
3191 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3193 * i386.md (dummy_extendsfdf2): Support SSE2
3194 (extendsfdf2): Enable if 80387 or SSE2.
3195 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3196 and no MIX_I387_SSE2
3197 (extendsfdf2_1_sse_only): New pattern.
3198 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3200 (truncdfsf2_1): Support SSE.
3201 (truncdfsf2_2): Support SSE.
3202 (truncdfsf2_2_1_sse): New pattern.
3203 (fixtruncsfsi2): Always use SSE if available.
3204 (fix_truncsfsi_sse): New pattern.
3205 (fix_truncdfsi_sse): New pattern.
3206 (floatsis?f2): Support SSE.
3207 (floatsidf2_i387): New pattern.
3208 (floatsidf2_sse): Likewise.
3210 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3212 * configure.in: Use "have_gnat" variable, not "gnat".
3213 * configure: Regenerated.
3215 * config/sparc/sparc.c (function_value): Treat all non-record
3216 aggregate types like used to treat UNION_TYPE.
3218 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3220 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3221 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3223 (MASK_MIX_SSE_I387): New.
3224 (TARGET_SSE): SSE2 imply SSE.
3225 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3226 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3227 (enum reg_class): Add new classes.
3228 (REG_CLASS_NAMES): Likewise.
3229 (REG_CLASS_CONTENTS): Likewise.
3230 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3231 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3232 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3233 (CLASS_MAX_NREGS): Use new macros.
3234 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3235 * i386.md (pushsf, movsf): Support SSE.
3236 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3237 splitters to use ANY_FP_REGNO_P.
3238 (movdf_nointeger, movdf_integer): Likewise.
3240 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3242 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3243 (try_combine): Use it.
3245 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3247 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3248 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3249 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3250 (REGISTER_MOVE_COST): Likewise.
3251 * i386-protos.h (ix86_secondary_memory_needed,
3252 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3253 * i386.c (ix86_secondary_memory_needed,
3254 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3256 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3258 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3259 (HARD_REGNO_MODE_OK): Move offline to ....
3260 * i386.c (ix86_hard_regno_mode_ok) ... here;
3261 refuse all incorrect modes.
3262 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3264 2001-02-13 Richard Henderson <rth@redhat.com>
3266 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3267 entire operator; replicate that and match_dup the operands.
3268 (cmp_ccx_arith_op_set): Likewise.
3269 (cmp_cc_arith_op_not_set): Likewise.
3270 (cmp_ccx_arith_op_not_set): Likewise.
3272 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3274 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3276 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3278 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3279 (TARGET_NO_BITFIELD_WORD): New macro.
3280 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3281 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3283 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3285 * cselib.c: New file, from simplify-rtx.c.
3286 * simplify-rtx.c: Remove cselib parts.
3287 * Makefile.in: Add cselib.o.
3289 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3291 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3292 (setup_incoming_varargs): Remove warning.
3294 * config/rs6000/rs6000.c (validate_condition_mode): When
3295 flag_fast_math, allow floating-point conditionals to be reversed.
3296 (rs6000_generate_compare): When flag_fast_math, don't generate
3297 cror operations for FP conditionals.
3299 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3301 (ASM_SPEC): Likewise.
3302 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3303 (CC1_SPEC): Likewise.
3304 (LINK_TARGET_SPEC): Likewise.
3305 (CPP_ENDIAN_SPEC): Likewise.
3306 * Makefile.in (check-consistency): New target.
3308 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3310 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3311 "return type defaults" warning for functions with return type
3313 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3314 function declarations by default rather than only when pedantic.
3316 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3318 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3321 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3323 * extend.texi (Deprecated): Deprecate new initializer lists.
3325 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3327 * mkdeps.c (deps_add_default_target): Robustify. Add
3328 basename component only.
3329 * cpp.texi (-M): Describe how default target is generated.
3330 * invoke.texi (-M): Likewise.
3332 2001-02-12 Kazu Hirata <kazu@hxi.com>
3334 * toplev.c (push_float_handler): Remove.
3335 (pop_float_handler): Remove.
3336 * toplev.h: Remove prototypes for the above functions.
3338 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3340 * c-common.c (constant_fits_type_p): New function.
3341 (convert_and_check): Use it.
3343 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3345 * Makefile.in (GXX_ABI_FLAG): Don't define.
3346 * configure.in (--enable-new-gxx-abi): Remove option.
3347 * config.in: Regenerated.
3348 * configure: Likewise.
3350 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3352 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3354 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3355 regular basic block, and arrange for all edges into it to switch
3358 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3360 * Makefile.in (distclean): Do not remove .gdbinit.
3362 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3364 * Makefile.in (gcc.o): Fix typos.
3365 (protize.o): Likewise.
3366 (unprotoize.o): Likewise.
3368 2001-02-11 Richard Henderson <rth@redhat.com>
3370 * tree.c (build1): Check for null operand in last change.
3372 2001-02-11 Richard Henderson <rth@redhat.com>
3374 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3375 (fold): Don't assume a constant isn't foldable.
3376 * tree.c (build): Set TREE_CONSTANT for an expression with no
3377 side-effects and constant operands.
3380 2001-02-10 Richard Henderson <rth@redhat.com>
3382 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3384 2001-02-10 Anthony Green <green@redhat.com>
3386 * cpp.texi (Standard Predefined): Add documentation for
3389 * c-common.c (combine_strings): Improve warning message.
3391 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3393 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3395 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3397 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3399 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3402 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3404 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3407 2001-02-09 Nick Clifton <nickc@redhat.com>
3409 * config/arm/arm.md: Change output contraint on post inc
3410 load/store multiple patterns to be a read/write contraint.
3412 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3414 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3415 .o files when using the -M options.
3417 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3418 David Edelsohn <edelsohn@gnu.org>
3420 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3421 handle DImode constants. Use one TOC entry for SImode and smaller
3422 constants, aligned properly.
3424 2001-02-08 Jason Merrill <jason@redhat.com>
3426 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3427 about the SP adjustment for saving the static chain pointer.
3428 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3429 offset when setting a temporary CFA register.
3431 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3433 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3434 powerpc-*-chorusos* .
3435 * config/rs6000/chorus.h : New file.
3436 * config/i386/chorus.h : New file.
3437 * config/sparc/chorus.h : New file.
3438 * config/sparc/t-chorus-elf : New file.
3440 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3442 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3443 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3444 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3445 (__WCHAR_TYPE__): Correct macro name.
3447 2001-02-08 Richard Henderson <rth@redhat.com>
3449 * config/i386/i386.c (ix86_frame_pointer_required): New.
3450 (ix86_setup_frame_addresses): New.
3451 (struct machine_funciton): Add accesses_prev_frame.
3452 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3453 ix86_frame_pointer_required.
3454 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3455 (SETUP_FRAME_ADDRESSES): New.
3456 * config/i386/i386-protos.h: Update.
3457 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3458 from FRAME_POINTER_REQUIRED.
3459 * config/i386/svr3gas.h: Likewise.
3460 * config/i386/sysv3.h: Likewise.
3461 * config/i386/v3gas.h: Likewise.
3463 2001-02-08 Richard Henderson <rth@redhat.com>
3465 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3466 calculation of the number of integer registers required.
3467 (function_arg_record_value): Likewise.
3469 2001-02-08 Jason Merrill <jason@redhat.com>
3471 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3472 two. Print file and line with "confused" message.
3474 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3476 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3478 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3480 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3482 * final.c (cleanup_subreg_operands): The address of a MEM can
3485 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3488 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3490 * gcc.texi (Incompatibilities): Update documentation of
3491 preprocessing numbers.
3493 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3495 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3497 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3499 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3501 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3502 * gcc.c (struct compiler): Add cpp_spec field.
3503 (input_file_compiler): New variable.
3504 (do_spec_1): Allow a particular compiler to handle `%C'
3506 (main): Store the current compiler in input_file_compiler.
3507 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3509 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3511 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3512 * cppinit.c (cpp_create_reader): Initialize them.
3513 (append_include_chain): cxx_aware arg might be unused.
3514 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3515 keywords and give them their phase 7 meaning. Pedwarn about
3516 this unless '__bool_true_false_are_defined' is defined.
3518 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3520 * lcm.c (optimize_mode_switching): Emit mode_set before the
3521 JUMP_INSN of an abnormal edge.
3523 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3525 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3526 a scheduling barrier at the end.
3528 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3530 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3532 * config/sh/sh.md (reload_outsf): Removed.
3533 (movsf_ie): Introduce constraints for FPUL loads and stores.
3534 (reload_insf): Broaden the output constraint.
3536 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3538 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3539 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3541 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3543 * final.c: Revert my previous changes.
3544 * output.h: Make profile_label_no extern.
3545 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3546 for generating label.
3548 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3550 * config/i386/djgpp.h: Add comments about standard paths.
3551 (MD_EXEC_PREFIX): Undefine before defining.
3552 (MD_STARTFILE_PREFIX): New.
3554 2001-01-30 Bruce Korb <bkorb@gnu.org>
3556 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3557 (load_file): do not rely on load_file_data() to close file pointer
3558 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3559 fixinc/inclhack.def(irix_limits_const): add test_text
3561 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3563 * cppexp.c (parse_defined): Improve diagnostics for invalid
3566 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3568 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3570 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3572 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3573 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3574 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3575 (rs6000_output_symbol_ref): New function.
3576 (output_toc): Use VTABLE_NAME_P.
3578 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3580 * print-tree.c (print_node, case PARM_DECL):
3581 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3583 * stor-layout.c (reference_types_internal): New variable.
3584 (internal_reference_types): New function.
3585 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3586 * tree.h (internal_reference_types): New declaration.
3588 * cse.c (find_best_addr): Fix typo in computing cost.
3590 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3592 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3593 and this is the sum of a pointer and a constant, we know the result
3595 (num_sign_bit_copies, case PLUS): Likewise.
3596 * explow.c (convert_memory_address): Remove opposite SUBREG.
3597 * function.c (instantiate_new_reg): New function (from common code).
3598 (instantiate_virtual_regs_1): Call it.
3599 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3600 if pointers sign- or zero-extend.
3601 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3602 If pointers extend unsigned, use inside of SUBREG.
3603 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3605 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3607 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3608 subdir of gcc_gxx_include_dir.
3609 (gcc_gxx_target_include_dir): Remove.
3611 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3613 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3614 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3615 a high-level description.
3617 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3619 * final.c: Move the declaration of profile_label_no to ...
3620 * output.h: ... here.
3621 * function.c (expand_function_start): Call PROFILE_HOOK.
3622 * config/rs6000/aix.h: Define PROFILE_HOOK.
3623 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3624 * config/rs6000/rs6000.c (output_profile_hook): Define.
3625 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3626 output_profile_hook.
3627 tm.texi : Explain new macro PROFILE_HOOK.
3629 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3631 * extend.texi (Extended Asm): Do not say that semicolon is always
3632 a valid line-breaking character for GNU assemblers. Use
3633 newline-tab as the most commonly supported syntax. Use
3634 newline-tab rather than semicolon in multi-insn examples.
3636 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3638 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3640 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3641 David Edelsohn <edelsohn@gnu.org>
3643 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3644 code for AIX, even without flag_pic.
3646 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3648 * c-typeck.c (common_type): push and pop binding level around
3649 calling common_type on function parameters.
3651 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3653 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3655 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3657 * config/mips/mips.c (override_options): Fix typo in last change.
3658 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3659 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3661 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3663 * invoke.texi (-fdump-class-layout): Document.
3664 (-fdump-translation-unit): Use `=' as filename separator.
3666 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3668 * Makefile.in (s-mlib): Don't build multilibs if
3670 (DRIVER_DEFINES): Adjust accordingly.
3672 (protoize.o): Likewise.
3673 (unprotoize.o): Likewise.
3674 * configure.in: Recognize --enable-multilib.
3676 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3678 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3680 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3681 * configure.in: Remove --enable-libstdcxx_v3 support.
3682 * configure: Regenerated.
3684 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3686 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3687 Call abort instead of fatal.
3688 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3689 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3690 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3691 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3692 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3693 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3695 * diagnostic.h (set_internal_error_function): Renamed.
3696 * toplev.h (internal_error): Renamed from fatal.
3697 (pfatal_with_name): Deleted.
3698 (fatal_io_error): Now has printf-style arguments.
3699 * diagnostic.c (pfatal_with_name): Deleted.
3700 (fatal_io_error): Rework to have args in printf-style.
3701 (set_internal_error_function): Renamed from set_fatal_function.
3702 (internal_error): Renamed from fatal.
3703 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3704 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3705 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3706 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3707 * flow.c (verify_flow_info): Likewise.
3708 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3709 * config/mips/mips.c (save_restore_insns): Likewise.
3711 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3712 * flow.c (verify_flow_info): Likewise.
3713 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3714 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3715 (avr_normalize_condition): Likewise.
3716 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3717 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3718 (limit_reload_class, double_reg_to_memory): Likewise.
3719 (print_operand_address, emit_1600_code_shift): Likewise.
3720 (gen_tst_reg, gen_compare_reg): Likewise.
3721 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3722 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3724 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3726 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3727 * objc/objc-act.c (build_ivar_chain): Likewise.
3728 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3730 * graph.c (clean_graph_dump_file): Likewise.
3731 * profile.c (init_branch_prob): Likewise.
3732 * objc/objc-act.c (objc_init): Likewise.
3734 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3735 * config/avr/avr.c (avr_override_options): Likewise.
3736 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3737 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3738 * config/h8300/h8300.c (h8300_init_once): Likewise.
3739 * config/mips/mips.c (override_options): Likewise.
3740 * config/i386/i386.c (override_options): Likewise, rework.
3741 * config/m68k/m68k.c (override_options): Likewise.
3743 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3745 * config/mips/mips.c (print_operand): Likewise.
3746 * hash.c (hash_allocate): Don't check for failure returns from
3747 obstack functions that can't fail.
3748 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3749 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3750 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3751 (get_object_reference): Likewise.
3753 2001-02-04 Nick Clifton <nickc@redhat.com>
3755 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3756 StrongARM1110, 10TDMI, and 1020T.
3758 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3760 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3762 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3764 * config/sh/sh.md (movdf load split): Pass register number to
3765 FP_OR_XD_REGISTER_P.
3767 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3769 * cppinit.c (BC): New macro.
3770 (builtin_array): Add __GXX_WEAK__.
3771 * cpplib.h (builtin_type): Add BT_WEAK.
3772 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3773 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3774 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3776 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3778 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3780 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3782 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3783 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3785 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3787 * cpphash.h: Rename ALIGN _ALIGN.
3788 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3790 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3792 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3793 compilation environment.
3794 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3795 control over location of cygwin includes and libs.
3797 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3799 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3801 2001-02-02 lars brinkhoff <lars@nocrew.org>
3803 * md.texi (Standard Names): remove reference to spur.md.
3805 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3807 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3808 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3809 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3810 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3811 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3813 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3815 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3816 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3817 number before reload.
3818 (c4x_adjust_cost): Return zero before reload.
3819 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3820 split before reload.
3822 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3824 * c4x.c (c4x_hard_regno_rename_ok): New.
3825 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3826 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3828 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3830 * diagnostic.h: Add missing "extern" in all declarations.
3832 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3834 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3835 as for gcc_gxx_include_dir.
3837 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3839 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3841 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3843 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3844 label before alignment to be used as the braf base address.
3845 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3847 (casesi_jump_2): Require at least TARGET_SH2.
3849 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3850 truncation to 32-bit doubles on -m3e and -m4-single-only.
3852 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3854 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3855 the default when building a shared object.
3856 (init_spec): Use it.
3857 * testsuite/lib/g++.exp: Include the directory where libgcc
3858 is located to the LD_LIBRARY_PATH list.
3859 * invoke.texi (-shared-libgcc): Document the cases in which
3860 GCC defaults to using the shared libgcc.
3862 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3864 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3865 unsigned is wide enough.
3867 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3868 (si_to_float): Likewise.
3869 (float_to_si, float_to_usi): Use BITS_PER_SI.
3871 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3873 * dwarf2out.c: Added explanation of abbreviations.
3874 (def_cfa_1): Added comments listing DWARF2 instructions.
3875 (cfa_temp_reg): Removed in favor of cfa_temp.
3876 (cfa_temp_value): Removed in favor of cfa_temp.
3877 (cfa_temp): New global variable.
3878 (dwarf2out_frame_debug_expr): Added extensive introductory
3879 comments explaining the function's transformations. Revised to
3880 use cfa_temp. Added some rtx checking. Generalize IOR case.
3881 (dwarf2out_frame_debug): Revised to use cfa_temp.
3882 (output_aranges): Cast as "unsigned" to avoid warning.
3883 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3884 explain which instructions must be marked.
3886 2001-02-01 Richard Henderson <rth@redhat.com>
3888 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3891 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3893 * config/sh/crt1.asm (main_k): Modified so that start calls
3894 ___setup_argv_and_call_main.
3896 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3898 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3899 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3900 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3901 * cppmacro.c (builtin_macro): Set builtin flags here.
3902 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3903 (replace_args): Clarify intent.
3904 (cpp_get_token): Macro expansion tokens get the saved flags.
3906 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3909 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3911 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3914 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3916 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3917 returns Pmode pseudo, but we need ptr_mode.
3918 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3919 Remove bogus conversions; use HOST_WIDE_INT for size.
3920 Don't use TARGET if wrong mode.
3922 * config/i386/i386.c (ix86_compute_frame_size): Allow
3923 stack_alignment_needed to be non-default even if size is zero.
3925 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3927 * (hppa_init_pic_save): Emit the pic offset table
3928 reg save after last_parm_insn.
3929 * pa.c (hppa_init_pic_save): New function.
3930 * pa.h (hppa_init_pic_save): Declare.
3931 * pa.md (call, call_value, sibcall, sibcall_value): Use
3932 the above instead of duplicated code.
3934 * pa.c (hppa_encode_label): Correct size of alloca buffer
3935 so we don't overrun it. Correct leading `*' case.
3936 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3937 need to handle `*@'.
3938 (FUNCTION_NAME_P): Likewise.
3940 2001-01-31 Richard Henderson <rth@redhat.com>
3942 * config.gcc (alpha-osf5): Use float-i128.h.
3944 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3945 * config/float-i32.h: Likewise.
3946 * config/float-i64.h: Likewise.
3947 * config/float-sh.h: Likewise.
3948 * config/float-sparc.h: Likewise.
3950 2001-01-31 DJ Delorie <dj@redhat.com>
3952 * expmed.c (extract_bit_field): allow non-integral modes if we
3953 want to extract a whole register from itself.
3955 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3957 * c-typeck.c (set_init_index): If first is equal to last, assume as
3958 if it was not a range at all.
3960 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3962 * config/fp-bit.c: Include tm.h.
3963 (float_to_si): Don't assume SImode is 32-bits wide.
3964 (float_to_usi): Likewise.
3966 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3968 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3970 (typename): Call pending_xref_error after parsing typed_typespecs.
3971 * c-decl.c (lookup_tag): Give error immediately rather than
3972 leaving it pending if the tag of the wrong type is in the same
3974 (xref_tag): Don't pedwarn for forward declarations of enum types
3976 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3979 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3981 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3983 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3985 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3986 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3988 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3990 * cpphash.h (struct cpp_reader): New saved_flags.
3991 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3992 to avoid a paste after a pasted token.
3994 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3996 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3997 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3998 Wtype_MIN instead of LONG_MIN.
4000 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4002 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4004 * fixinc/fixincl.x: Regenerated.
4005 * fixinc/inclhack.def (irix_limits_const): New definition to
4006 convert "const" to "__const" in limits.h.
4008 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4010 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4012 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4014 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4015 when register dies in the insn.
4017 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4019 * diagnostic.c (fatal): Fix word wrap.
4021 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4023 * combine.c (try_combine): Fix SUBREG setting for
4024 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4026 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4028 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4031 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4033 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4035 * toplev.c (decode_W_option): Update warn_larger_than
4036 unconditionally for each processed switch.
4038 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4040 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4042 (hppa_expand_prologue): Delete code to save pic offset table register
4043 in the function prologue.
4044 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4045 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4046 table register at the beginning of the function after the prologue.
4048 2001-01-29 lars brinkhoff <lars@nocrew.org>
4050 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4052 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4053 Jeff Law <law@redhat.com>
4055 * pa.md (return): Revise comment for trivial return.
4056 (return_internal): Non-trivial return pattern for non-PIC code.
4057 (return_internal_pic): Non-trivial return pattern for PIC code.
4058 It uses the PIC register to ensure it is restored after
4060 (epilogue): Generate appropriate return for PIC and non-PIC code.
4062 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4064 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4066 2001-01-29 DJ Delorie <dj@redhat.com>
4068 * combine.c (if_then_else_cond): Pass the correct mode to
4069 operand_subword() for constants.
4071 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4073 * config/i386/cygwin.h: Add w32api to include search. Search different
4074 directories in a cross-build environment.
4076 2001-11-29 Tim Josling <tej@melbpc.org.au>
4078 * tree.h (TYPE_STUB_DECL): Add documentation.
4080 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4082 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4083 (sdbout_field_types): Likwise. Fix use of host_integerp.
4085 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4087 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4090 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4092 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4093 to use flag_gnu_linker.
4095 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4097 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4098 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4100 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4102 * tree.c, tree.h (build_parse_node): Remove; was identical to
4104 * c-lang.c (start_cdtor), objc/objc-act.c
4105 (build_module_descriptor): Use build_nt instead of
4108 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4110 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4111 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4112 not have any upper bits set.
4114 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4116 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4118 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4120 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4122 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4124 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4125 (integer_minus_one_node): Define.
4127 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4129 * Makefile.in (bootstrap2-lean): Fix typo.
4131 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4133 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4134 : Don't set fe_value.
4135 * cpplib.h (AVOID_LPASTE): New flag.
4136 (struct cpp_hashnode): Remove fe_value.
4137 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4138 * cppmacro.c (builtin_macro): Don't set flags here.
4139 (replace_args): Set AVOID_LPASTE flag on first token of an
4140 argument, and the token following it.
4141 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4142 macro expansion, and on the token following it. Do it for
4144 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4146 2001-01-27 Richard Henderson <rth@redhat.com>
4148 * config/alpha/t-ieee: Remove multilibbing.
4149 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4151 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4153 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4155 * Makefile.in: Remove all dependencies on defaults.h.
4156 * builtins.c: Don't include defaults.h.
4157 * c-common.c: Likewise.
4158 * c-decl.c: Likewise.
4159 * c-pragma.c: Likewise.
4160 * c-typeck.c: Likewise.
4161 * combine.c: Likewise.
4163 * frame-ia64.c: Likewise.
4164 * cppexp.c: Likewise.
4165 * crtstuff.c: Likewise.
4166 * dbxout.c: Likewise.
4167 * dwarf2out.c: Likewise.
4168 * dwarfout.c: Likewise.
4169 * emit-rtl.c: Likewise.
4170 * except.c: Likewise.
4172 * final.c: Likewise.
4173 * frame-dwarf2.c: Likewise.
4174 * libgcc2.c: Likewise.
4175 * optabs.c: Likewise.
4176 * profile.c: Likewise.
4177 * sdbout.c: Likewise.
4178 * toplev.c: Likewise.
4179 * tradcif.y: Likewise.
4181 * varasm.c: Likewise.
4183 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4185 * builtins.c (expand_builtin_fputs): Use size_one_node when
4186 transforming into fwrite.
4188 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4190 * extend.texi (Attribute Syntax): New section.
4192 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4194 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4195 they didn't need fixing.
4197 2001-01-27 Janis Johnson <janis@us.ibm.com>
4199 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4201 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4202 to remove macro definitions that are duplicated from elfos.h.
4204 2001-01-27 Richard Henderson <rth@redhat.com>
4206 * config/i386/sco5gas.h: Move ...
4207 * config/usegas.h: ... here.
4208 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4210 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4212 * c-typeck.c (struct constructor_stack): Add range_stack member.
4213 (really_start_incremental_init): Clear it.
4214 (push_init_level): Save constructor_range_stack and clear it if
4215 pushing explicit braces.
4216 (pop_init_level): abort if constructor_range_stack is non-zero at
4217 explicit closing brace. Restore saved constructor_range_stack if
4220 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4222 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4223 into register was forced into memory.
4225 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4227 * Makefile.in: Remove uses of + before $(MAKE).
4229 2001-01-26 Richard Henderson <rth@redhat.com>
4231 * stmt.c (cost_table): Remove.
4232 (COST_TABLE, cost_table_initialized): New.
4233 (estimate_case_costs): Use the later instead of the former.
4234 (balance_case_nodes): Likewise.
4236 2001-01-26 Richard Henderson <rth@redhat.com>
4238 * alias.c (objects_must_conflict_p): Read-only slots may not
4239 conflict despite having the same type.
4241 2001-01-27 Michael Hayes <mhayes@redhat.com>
4243 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4245 (check_ext_dependant_givs): Initialise u_start_val and
4247 (load_mems): Make last_max_reg unsigned.
4248 (try_swap_copy_prop): Use INSN_P and initialise set.
4250 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4252 * README.AVR : Removed.
4254 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4256 * pa-64.h (text_section): Remove declaration.
4258 * pa.md (return_internal): Remove mode on PIC register use.
4260 2001-01-25 lars brinkhoff <lars@nocrew.org>
4262 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4263 ASM_CLOSE_PAREN): fix typos.
4265 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4267 * acconfig.h: Define `const' to the empty string if neither
4268 __STDC__ nor __cplusplus is defined.
4269 * config.in: Regenerated.
4271 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4273 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4274 * collect2.c (main): Delete importf. Add ".obj" file extension.
4275 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4276 (aix_std_libs): Add additional AIX libraries to skip.
4277 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4278 * config/rs6000/aix51.h: New file.
4280 2001-01-25 Michael Hayes <mhayes@redhat.com>
4282 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4283 (loop_insn_emit_before): No longer static.
4284 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4285 (loop_givs_rescan, load_mems): Likewise.
4286 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4287 (maybe_eliminate_biv_1):
4288 (move_movables): Replace emit_call_insn_before with
4289 loop_call_insn_hoist.
4290 * loop.h (loop_insn_emit_before): Add.
4291 * unroll.c (copy_loop_body): Replace emit_insn_before with
4292 loop_insn_emit_before.
4294 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4296 * diagnostic.c (fatal): Request preprocessed source.
4298 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4300 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4301 olddecl has argument types and newdecl has none, use the argument
4304 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4306 * dwarf2out.c (prefix_of): New function. Determine longest common
4307 prefix of the two arguments. The units are whole path components.
4308 (output_file_names): When adding a new directory find the one entry
4309 with the longest common prefix already in the list. Artificially
4310 generate entry if there is none for this prefix.
4311 Fix test to check whether the zeroth directory entry is used.
4313 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4315 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4316 Changed all callers. Take it into account when deciding if a
4317 previously loaded value matches.
4319 2001-01-24 Richard Henderson <rth@redhat.com>
4321 * reload.c (find_reloads_subreg_address): Fail the substitution
4322 if the resulting address is insufficiently aligned.
4324 2001-01-24 DJ Delorie <dj@redhat.com>
4326 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4327 check the original operand's mode also.
4328 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4330 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4332 * c-parse.in (cast_expr): Move compound literals from here ...
4333 (primary): ... to here. Use standard terminology "compound
4334 literal" instead of "constructor expression".
4336 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4338 * gcc.1, cpp.1: Regenerate.
4340 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4342 * calls.c (emit_library_call_value_1): Memory slot for
4343 pass-by-reference argument should have the mode of the argument,
4344 not of the pointer to it.
4346 2001-01-24 Tom Tromey <tromey@redhat.com>
4348 * gcc.texi (G++ and GCC): Mention gcj manual.
4349 (Standards): Link to section of manual mentioning gcj/Java
4352 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4354 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4355 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4356 * tradcpp.c (main): Add -imacros or -include'd dependencies
4358 * cpp.texi (-M, -MM): Document -M -include behaviour.
4360 2001-01-24 Roger Collins <roger@ProProject.com>
4362 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4364 2001-01-24 Will Cohen <wcohen@redhat.com>
4366 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4367 whether registers are 32 bits or 64 bits in size.
4369 2001-01-24 Ben Elliston <bje@redhat.com>
4371 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4373 2001-01-24 Richard Henderson <rth@redhat.com>
4375 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4376 (builtin_longjmp): Use it instead of emit_indirect_jump.
4378 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4380 * bb-reorder.c (make_reorder_chain_1): Handle case where
4381 jump edge goes to the same block as the fallthru edge.
4383 2001-01-23 Jim Wilson <wilson@redhat.com>
4385 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4386 * frame.h (__ia64_personality_v1): Add prototype.
4387 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4388 prototype form. Add void * cast to first argument to personality
4390 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4391 (asctoe113): Likewise.
4392 * config/ia64/frame-ia64.c: Include eh-common.h.
4393 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4395 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4397 (itanium_split_issue): Add prototype.
4398 (gen_nop_type): Ifdef out.
4399 (find_best_packet): Initialize best_packet.
4400 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4402 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4403 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4404 (flushrs): Add explicit stop bit at end.
4405 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4408 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4410 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4412 * libgcc2.c (__terminate_func): Make variable static.
4413 (__terminate_set_func): New function to set __terminate_func.
4414 * libgcc2.h (__terminate_func_ptr): New typedef.
4415 (__terminate_set_func): New function.
4417 2001-01-23 Richard Henderson <rth@redhat.com>
4419 * flow.c (init_propagate_block_info): Don't consider unchanging
4420 memories for dead frame store elimination.
4422 2001-01-23 Richard Henderson <rth@redhat.com>
4424 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4425 * defaults.h: ... here.
4427 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4429 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4431 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4433 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4435 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4437 * rs6000.h (rs6000_return_addr): Move prototype from here...
4438 * rs6000-protos.h (rs6000_return_addr): ...to here.
4439 (rs6000_init_expanders): Delete prototype.
4441 2001-01-23 Nick Clifton <nickc@redhat.com>
4443 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4444 (Spec Files): Document %B and %j and %. and %v3 and %M and
4445 %{S*&T} spec switches.
4447 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4449 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4451 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4452 Neil Booth <neil@daikokuya.demon.co.uk>
4454 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4455 Have -Werror make pedantic warnings errors, like the
4458 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4460 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4462 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4464 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4465 * integrate.c (expand_inline_function): Initialize them.
4466 (subst_constants): If changing COMPARE so that both its arguments
4467 will be VOIDmode and the comparison mode will be lost, note
4468 compare_mode. Use the recorded compare_mode to optimize
4471 2001-01-23 Jason Merrill <jason@redhat.com>
4473 * dwarf2out.c (new_die): Use xcalloc.
4474 (output_die): Abort rather than emit a local reference to offset 0.
4476 2001-01-17 Andrew Haley <aph@redhat.com>
4478 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4479 of a saved register; return NULL instead.
4480 (copy_reg): Take a pointer to a source register rather than a
4482 (next_stack_level): Remember the address in the stack frame of all
4484 Use the saved register pointer array as the source of the CFA.
4485 (throw_helper): Rewrite. Unwind once rather than twice and keep
4486 track of saved registers as we go.
4488 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4490 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4491 * c4x.c (c4x_legitimize_reload_address): Remove.
4492 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4493 reload address for ldp(k) insn.
4495 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4497 * pa.md (return_internal): Add a USE of the PIC register to ensure
4498 it is restored after each call.
4499 (return expander): Corresponding changes.
4501 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4503 * rs6000.h (INIT_EXPANDERS): Delete.
4504 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4505 * rs6000.c (rs6000_override_options): Call *_machine_status from
4507 (rs6000_init_expanders): ...instead of here. Delete.
4508 (rs6000_mark_machine_status): New function.
4509 (rs6000_init_machine_status): Use xcalloc.
4510 (rs6000_return_addr): Generate RTX for the return address.
4511 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4512 (rs6000_stack_info): Use it.
4514 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4516 * gthr-win32.h: Include errno.h to get a declaration for
4517 EINVAL and _mingw.h if the target is mingw32.
4519 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4521 * cpp.texi: Correct typos.
4523 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4525 * explow.c (probe_stack_range): Ensure value passed to
4526 stack_check_libfunc is ptr_mode, not Pmode.
4528 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4530 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4531 case, don't use operand_subword to calculate a SUBREG that is
4534 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4536 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4538 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4539 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4540 valid. If not replace it by equivalent insns.
4542 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4544 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4545 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4546 (c4x_U_constraint, symbolic_address_operand): Likewise.
4547 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4549 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4550 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4551 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4552 anulling slot because of silicon bug.
4553 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4555 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4557 * cppexp.c (parse_charconst): Change `mask' type to agree
4560 2001-01-21 Richard Henderson <rth@redhat.com>
4562 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4563 pic_label_name in a linkonce section.
4565 2001-01-17 Philipp Thomas <pthomas@suse.de>
4567 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4569 * configure: Regenerate.
4571 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4573 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4574 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4576 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4578 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4579 If REVERSE nonzero then condition code in X must be reversed.
4580 (encode_section_info): Optimise if/else.
4581 (avr_function_value): Fix formatting.
4583 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4584 (difficult_branch): Likewise.
4585 (rvbranch): Likewise.
4586 (difficult_rvbranch): Likewise.
4588 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4590 * config/avr/libgcc.S: Fix comment.
4592 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4594 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4596 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4598 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4600 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4602 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4603 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4604 * configure, config.in: Regenerate.
4605 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4606 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4607 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4608 (doprint.o): New rule.
4610 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4612 * c-typeck.c (digest_init): Handle boolean types as scalars.
4614 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4616 * stmt.c (expand_return): Don't return anything if size is zero.
4617 Delete redundant assignment to BYTES.
4618 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4620 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4622 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4623 the same as the default library function names.
4624 * config/avr/avr.md: Document special characters after '%'.
4625 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4626 knowing which of the call-used registers are really clobbered.
4627 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4628 New. Both quotient and remainder from one libgcc.S call.
4629 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4630 clobber as few registers as possible.
4631 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4633 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4635 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4636 context of the top of the stack.
4638 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4640 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4641 (fixup_var_refs_insns): ...here.
4643 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4645 * function.c (fixup_var_refs_insns): Break up into
4646 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4647 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4648 [loop over hash table entries].
4649 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4650 fixup_var_refs_insns_with_hash, to match above changes.
4652 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4654 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4655 (libgcc.a): Likewise.
4656 (stmp-multilib): Likewise.
4657 (STAGE2_FLAGS_TO_PASS): Likewise.
4659 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4661 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4662 temporary if no_new_pseudos.
4664 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4666 * cppinternals.texi: Update.
4668 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4670 * arm.c (arm_init_builtins): Re-enable builtins.
4672 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4674 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4675 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4676 element to be null, and always expect an EXPR_LIST.
4677 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4678 * sched-deps.c (sched_analyze_1): Likewise.
4679 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4681 * regclass.c (max_set_parallel): New variable.
4682 (reg_scan): Take it into account in computation of max_parallel.
4683 (reg_scan_mark_refs, case SET): Compute it.
4685 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4687 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4688 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4690 2001-01-19 Jason Merrill <jason@redhat.com>
4692 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4693 for the abstract instance of an inline function.
4695 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4696 J"orn Rennecke <amylaar@redhat.com>
4698 * reload1.c (move2add_note_store): Treat all registers directly or
4699 indirectly derived from a base register as members of the same set
4701 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4702 of base register into account.
4704 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4706 * alias.c (find_base_value): Recognize TRUNCATE.
4707 (record_set): In PLUS case, invalidate if other summand is also a
4710 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4713 entry to be EXPR_LIST.
4714 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4715 be an EXPR_LIST (but not null, which other code doesn't allow).
4716 (note_stores): Properly handle PARALLEL in SET.
4717 Recursively call for top-level PARALLEL.
4718 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4719 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4721 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4723 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4725 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4726 not pfile->skipping (== 0).
4728 2001-01-17 Nick Clifton <nickc@redhat.com>
4730 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4733 2001-01-17 Jim Wilson <wilson@redhat.com>
4735 * invoke.texi (IA-64 options): Improve.
4737 2001-01-17 Tom Tromey <tromey@redhat.com>
4739 * invoke.texi (Optimize Options): Use `{}' to around @samp
4742 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4744 * invoke.texi (-fno-guess-branch-probability): New option.
4746 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4748 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4749 case of making new double-word constant.
4750 Revert last change: instead just test i3_subst_into_i2.
4752 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4754 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4755 Use q constraints instead of r.
4757 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4759 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4760 (machine_function): Define.
4761 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4762 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4763 pa_free_machine_status): New functions.
4764 (override_options): Set {init,mark,free}_machine_status to above.
4765 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4766 PIC_OFFSET_TABLE_REGNUM_SAVED.
4767 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4768 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4769 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4770 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4771 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4773 2001-01-15 DJ Delorie <dj@redhat.com>
4775 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4779 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4781 * flow.c (propagate_on_insn): Make trying to delete a prologue
4782 or epilogue insn an ICE, not a warning. Allow doing this if
4783 the current function returns with stack pointer depressed.
4785 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4786 I3 having more than one SET.
4788 2001-01-16 Jim Wilson <wilson@redhat.com>
4790 * invoke.texi: Document IA-64 options.
4792 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4793 (fixup_errata): Delete TARGET_A_STEP use.
4794 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4795 (TARGET_SWITCHES): Delete -ma-step option.
4796 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4797 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4798 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4799 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4800 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4801 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4803 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4804 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4805 cmovsi_internal): Delete ! TARGET_A_STEP check.
4807 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4809 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4810 possibility to report bugs via postal mail. Change a URL and
4811 merge in a nearly duplicate statement...
4812 (Bug Reporting): ...from here.
4813 (Service): Refer to the Bug Reporting section instead of
4815 (Contributing): Remove trivial explanations concerning snapshots.
4817 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4819 * cppmain.c (general_init): Don't use ANSI prototype.
4821 2001-01-16 Tom Tromey <tromey@redhat.com>
4823 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4825 2001-01-16 Richard Henderson <rth@redhat.com>
4827 * config/i386/i386.h: Fix comment typo.
4828 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4829 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4831 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4833 * gcc.c: Revert previous -fsyntax-only-related change; move
4836 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4838 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4839 inmode after checking GET_CODE (op).
4841 2001-01-16 Richard Henderson <rth@redhat.com>
4843 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4844 (MAX_MEM_SET_LIST_LEN): New.
4845 (propagate_one_insn): Update mem_set_list_len.
4846 (invalidate_mems_from_autoinc): Likewise.
4847 (invalidate_mems_from_set): Likewise.
4848 (mark_used_regs): Likewise.
4849 (init_propagate_block_info): Likewise. Stop collecting memories
4850 when we reach MAX_MEM_SET_LIST_LEN.
4851 (mark_set_1): Likewise.
4853 2001-01-16 Richard Henderson <rth@redhat.com>
4855 * unroll.c (precondition_loop_p): Fail if no iteration
4858 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4860 * gcc.c: When -fsyntax-only is given, do not complain about
4863 2001-01-15 Richard Henderson <rth@redhat.com>
4865 * config/i386/i386.c (asm_output_function_prefix): Remove.
4866 (ix86_asm_file_end): New.
4867 (load_pic_register): Generate pic_label_name into a
4868 staticly allocated buffer.
4869 * config/i386/i386-protos.h: Update.
4870 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4871 (ASM_FILE_END): New.
4872 * config/i386/i386afe.h: New file.
4873 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4874 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4875 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4876 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4877 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4878 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4879 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4881 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4883 * Makefile.in (install-man): Remove explicit dependency on
4886 * configure.in, configure: Revert previous patch requiring perl
4889 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4891 * toplev.c (flag_guess_branch_prob): New.
4892 (f_options): Add guess-branch-probability option.
4893 (rest_of_decl_compilation): Only estimate branch probability if
4895 (main): set flag_guess_branch_prob.
4897 * flags.h (flag_guess_branch_prob): New.
4899 2001-01-15 DJ Delorie <dj@redhat.com>
4901 * gcc.texi (Makefile): Add documentation for Makefile targets.
4903 2001-01-15 Philip Blundell <philb@gnu.org>
4905 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4907 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4908 (is_pic): Delete declaration.
4909 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4910 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4911 * config/arm/arm.md (builtin_setjmp_receiver): New.
4913 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4915 * arm.c (use_return_insn): Don't try to determine the function type
4916 until after reload has completed.
4917 (arm_output_epilogue): Don't adjust the sp value recovered from the
4919 (emit_multi_reg_push): Don't record dwarf information for the pc.
4920 * arm.md (eh_epilogue): The function type may have changed, so it
4921 needs to be recalculated.
4922 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4923 unwind tables on arm/netbsd.
4925 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4927 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4928 (negated_cbranchsi4): Likewise.
4930 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4932 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4933 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4934 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4935 pass -mapcs-* options to assembler.
4936 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4937 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4938 (ASM_SPEC): Call subtarget_extra_asm_spec.
4940 2001-01-15 Andreas Jaeger <aj@suse.de>
4942 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4944 (ix86_expand_builtin): Likewise.
4946 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4947 warning about comparison between signed and unsigned.
4949 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4951 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4953 2001-01-14 Ralf Baechle <ralf@gnu.org>
4955 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4956 SUBTARGET_CPP_SPEC apropriatly.
4958 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4960 * varasm.c (make_decl_rtl): Fix typo in last change.
4962 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4964 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4965 linker supports the init_priority C++ attribute.
4966 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4967 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4968 linker does not support init_priority C++ attribute.
4970 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4972 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4974 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4976 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4977 * cp/lex.c (finish_parse): Similarly.
4978 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4979 Return the number of errors encountered.
4980 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4981 * cppmain.c (main): Don't call cpp_destroy.
4983 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4985 * configure.in: Require at least perl 5.6.0 to regenerate
4987 * configure: Regenerate.
4989 2001-01-14 Richard Henderson <rth@redhat.com>
4991 * genrecog.c (DT_veclen_ge): New.
4992 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4993 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4994 (nodes_identical_1): Handle DT_veclen_ge.
4995 (write_cond, debug_decision_2): Likewise.
4997 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4999 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5001 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5003 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5005 * cppmain.c (do_preprocessing): New function; most of the old
5007 (main): Call it to do most of the work.
5008 (cb): Move from global scope to set_callbacks ().
5009 (setup_callbacks): Get the callback pointer.
5010 (general_init, printer_init): Clean up code and comments.
5012 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5014 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5017 2001-01-14 Kazu Hirata <kazu@hxi.com>
5019 * config/h8300/h8300.c (get_shift_alg): Update comments.
5021 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5023 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5024 (alloc_page, ggc_alloc): Add casts to remove warnings.
5026 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5028 * combine.c (simplify_comparison): Don't change `code' when
5029 can't reverse comparison.
5031 2001-01-14 Richard Henderson <rth@redhat.com>
5033 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5034 update all call sites. Return true for all non-label constants.
5036 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5038 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5040 (ix86_expand_branch): Update.
5041 (ix86_expand_setcc): Update to handle multiple test conditions.
5042 (expand_int_movcc): Likewise.
5043 (expand_fp_movcc): Likewise.
5044 * i386-protos.h (ix86_expand_compare): New.
5045 * i386.md (andqi_?_slp, orqi_?_slp): New.
5046 (conditional trap expander): Update call to ix86_expand_compare.
5048 2001-01-14 Richard Henderson <rth@redhat.com>
5050 * config/vax/vax.md: Use nonimmediate_operand instead of
5051 general_operand in destinations.
5053 * config/vax/vax.md (indirect_jump): Use register_operand.
5055 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5056 * config/vax/vax.md (call_pop): Turn into an expander.
5057 (call_value_pop): Likewise.
5058 (call, call_value): New.
5060 2001-01-14 Andreas Jaeger <aj@suse.de>
5062 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5064 (ix86_fp_compare_mode): Add unused attribute.
5065 (ix86_expand_fp_movcc): Remove unused variable.
5066 (ix86_expand_builtin): Make fcode unsigned.
5068 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5069 (expand_expr): Add cast to avoid signed warning.
5070 (store_field): Likewise.
5071 (store_constructor_field): Likewise.
5072 (store_constructor): Likewise.
5073 (store_expr): Likewise.
5074 (clear_storage): Likewise.
5075 (emit_group_store): Likewise.
5076 (emit_group_load): Likewise.
5078 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5080 * c-common.c: Move format checking code to ...
5081 * c-format.c: ... here. New file. Reorder some functions and
5083 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5085 * c-common.h (decl_handle_format_attribute,
5086 decl_handle_format_arg_attribute): Declare.
5087 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5088 (c-common.o): Adjust dependencies.
5089 (c-format.o): New list of dependencies.
5091 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5093 * unroll.c (loop_iterations): If we cannot prove iteration variable
5094 is set once in each iteration, punt.
5096 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5098 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5099 (*strlenhi): Remove clobber (which was buggy) of output address.
5101 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5103 * Makefile.in (generated-manpages): Add gcc.1
5104 ($(srcdir)/gcc.1): New target.
5105 (maintainer-clean): Delete $(srcdir)/gcc.1.
5106 * gcc.texi: Add macros @gccoptlist and @gol.
5107 * invoke.texi: Include option summary in manpage. Mark up option
5108 summary with @gccoptlist and @gol. Use @r in one place where
5110 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5111 * gcc.1: Generate from invoke.texi.
5113 2001-01-13 Richard Henderson <rth@redhat.com>
5115 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5116 (struct page_entry): Add group member.
5117 (struct page_group): New.
5118 (struct globals): Add page_groups member.
5119 (alloc_anon): Only define for using mmap; remove valloc call.
5120 (page_group_index): New.
5121 (set_page_group_in_use): New.
5122 (clear_page_group_in_use): New.
5123 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5124 (free_page, release_pages): Likewise.
5125 * configure.in (with-gc): Default to ggc-page always.
5127 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5129 * reload1.c (replace_pseudos_in_call_usage): Use
5130 reg_equiv_constant and reg_equiv_address, and don't try
5131 regno_reg_rtx first.
5133 2001-01-13 Richard Henderson <rth@redhat.com>
5135 * ggc-page.c (alloc_page): Round up allocation size to one page.
5136 Set e->order on extra pages.
5138 2001-01-13 Richard Henderson <rth@redhat.com>
5140 * genrecog.c (nodes_identical): Expand commentary.
5141 (write_switch): Watch out for identical nodes.
5143 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5145 * cppfiles.c (_cpp_fake_include): New function.
5146 * cpphash.h (_cpp_fake_include): New.
5147 * cpplib.c (do_line): Call _cpp_fake_include when entering
5148 header files in preprocessed input.
5149 * cppmain.c (cb_pragma_implementation): Remove handling.
5150 (setup_callbacks): Don't register pragmas.
5152 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5154 * extend.texi: Udate for CPP.
5156 2001-01-13 Andreas Jaeger <aj@suse.de>
5158 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5160 * regmove.c: Add prototype for replace_in_call_usage.
5162 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5164 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5165 struct cpp_chunk, struct htab, struct toklist,
5166 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5167 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5168 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5169 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5170 (struct macro_args): Delete.
5171 * cpphash.h: See above.
5173 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5175 * cppmain.c (struct printer): Remove no_line_dirs.
5177 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5178 : Use options rather than CPP_OPTION.
5179 (setup_callbacks): Use cb rather than pfile->cb.
5180 (main): No need to check for a buffer. Use cpp_errors.
5181 (printer_init): Don't set no_line_dirs.
5182 (maybe_print_line): Use options not no_line_dirs.
5183 (cb_file_change): Don't call print_line if -P.
5185 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5187 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5189 * c-parse.in (finish_parse): Use cpp_errors.
5190 (__yylex): Use return value of cpp_pop_buffer.
5191 * cp/lex.c (finish_parse): Use cpp_errors.
5192 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5194 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5196 * README.AVR: URLs corrected.
5198 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5200 * c-decl.c (start_function): Don't warn if old prototype is builtin
5201 that's not in C's namespace.
5202 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5203 (_bb): Add prototype for ctime.
5204 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5206 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5208 * i386.c (ix86_fp_comparison_arithmetics_cost,
5209 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5210 ix86_fp_comparison_cost): New functions.
5211 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5212 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5213 two-branch sequences; make static.
5214 (ix86_use_fcomi_compare): Do decision according to the costs.
5215 (split_fp_branch): New.
5216 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5217 * i386-protos.h (ix86_expand_fp_compare): Remove
5218 (ix86_split_fp_branch): Declare.
5220 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5221 and ix86_comparison_operator.
5223 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5226 * i386.c (put_condition_code): Output properly the unordered/ordered
5227 compares in fp case.
5228 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5230 * tm.texi (REVERSE_CONDITION): Document.
5231 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5232 in -ffast-math mode.
5233 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5235 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5237 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5239 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5242 * config/sh/sh.c (mova_p): Fix test for mova_const.
5244 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5246 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5247 cpp_get_options rather than dereferencing pfile and using
5249 * scan-decls.c (scan_decls): Use return value of
5250 cpp_pop_buffer rather than CPP_BUFFER.
5252 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5254 * cppinit.c (cpp_handle_option): help_only is now part of the
5255 cpp_options structure.
5256 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5257 cpp_set_callbacks): New functions.
5258 * cpplib.h (cpp_callbacks): Break out as a named structure.
5259 (cpp_options): Move help_only here from cpp_reader.
5260 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5261 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5262 cpp_set_callbacks): New prototypes.
5263 * cppmain.c (main): Update for help_only.
5265 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5267 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5268 Also build and remove and install and uninstall c-tree.info and
5270 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5271 ($(srcdir)/cppinternals.info): New target.
5272 * c-tree.texi: Change file name used when makeinfo used without -o
5273 from ir.info to c-tree.info. Add info directory entry.
5274 * cppinternals.texi: Add info directory entry.
5275 * .cvsignore: Update.
5277 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5279 * c-typeck.c (store_init_value): Don't require constant initializer
5280 elements with -pedantic -std=c99.
5281 (digest_init): Change error about non-constant initializer elements
5283 (constructor_range_end): Remove.
5284 (constructor_incremental, designator_depth,
5285 designator_errorneous): New variables.
5286 (struct constructor_stack): Remove range_end, add incremental.
5287 (struct constructor_range_stack, constructor_range_stack): New.
5288 (struct initializer_stack): Add constructor_range_stack.
5289 (finish_init): Set it.
5290 (start_init): Likewise. require_constant_elements for non-static
5291 trees only if not flag_isoc99.
5292 (really_start_incremental_init): Remove constructor_range_end, add
5293 constructor_incremental.
5294 (pop_init_level): Likewise.
5295 (push_init_level): Likewise. If implicit and the subobject had some
5296 value set already, preinitialize the level with it.
5297 Warn about missing braces only if not pushing due to designators.
5298 (set_designator, push_range_stack): New functions.
5299 (set_init_label): Use them.
5300 (set_init_index): Likewise. Remove constructor_range_end.
5301 Error if designator index is outside of array bounds.
5302 (add_pending_init): Compare values of purpose index trees, not the
5303 trees themselves. Allow overwriting of already initialized element.
5304 Issue a warning if it had side-effects.
5305 (set_nonincremental_init, set_nonincremental_init_from_string): New
5307 (pending_init_member): Rename to...
5308 (find_init_member): ...this function. Call set_nonincremental_init
5309 if necessary. Compare values of purpose index trees, not the trees
5310 themselves. Return the actual value, not just non-zero if something
5312 (output_init_element): Remove checks for duplicates.
5313 If field has zero size, only check the initializer for correctness.
5314 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5315 if constructor_incremental is zero. Change error about initializers
5316 not computable at load time into pedwarn.
5317 (output_pending_init_elements): Compare bit positions, not
5318 FIELD_DECLs to take into account zero-sized fields.
5319 (process_init_element): Use constructor_range_stack to fill all
5320 ranges in the designator lists from current level up.
5321 * extend.texi: Update documentation for labeled elements.
5323 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5325 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5326 to function usage for arguments passed by reference. Optimize
5327 callee-copied arguments.
5328 * regmove.c (replace_in_call_usage): New function.
5329 (fixup_match_1): Call it.
5330 * cse.c (cse_insn): Canonicalize registers in function usage.
5331 * reload1.c (replace_pseudos_in_call_usage): New function.
5334 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5337 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5339 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5342 2001-01-12 DJ Delorie <dj@redhat.com>
5344 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5345 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5348 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5350 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5351 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5352 -std options alongside references to -ansi. Update some
5353 documentation for C99.
5354 * cpp.1: Regenerate.
5356 2001-01-12 Andreas Jaeger <aj@suse.de>
5358 * haifa-sched.c (restore_line_notes): Remove argument block B
5360 * sched-ebb.c (schedule_ebb): Change caller.
5361 * sched-rgn.c (schedule_region): Likewise.
5362 * sched-int.h (restore_line_notes): Adjust prototype.
5364 * loop.h: Remove wrong declaration of doloop_condition_get.
5366 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5368 * extend.texi: Move C++-extension-related node from the C section
5369 into the C++ section.
5371 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5373 * extend.texi: Refer to an array of pointers to functions instead
5374 of one of functions.
5376 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5377 Jan Hubicka <jh@suse.cz>
5379 * combine.c (reversed_comparison): Fix typo in last patch.
5381 (combine_reversed_comparison_code): Make static to follow
5382 prototype declaration.
5384 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5386 * install.texi: Remove misplaced duplicate entry.
5388 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5390 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5392 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5394 * final.c: (leaf_function_p): Fix typo.
5396 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5398 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5399 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5401 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5402 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5403 mmap_anon, and valloc is available.
5404 * ggc-page.c: Restructure ifdef logic to match new autoconf
5405 spec. Don't throw away the test page in init_ggc.
5407 * configure, config.in: Regenerate.
5409 2001-01-12 Michael Hayes <mhayes@redhat.com>
5411 * loop.h (total_biv_increment): Constify iv_class pointer.
5412 (struct induction): Replace `mem_mode' with `mem' rtx.
5413 * unroll.c (total_biv_increment): Constify iv_class pointer.
5414 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5415 (find_mem_givs, combine_givs_p): Likewise.
5416 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5418 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5420 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5422 (__gthread_getspecific): Ditto.
5424 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5426 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5427 put_condition_code): Convert fp comparison codes to integer
5429 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5432 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5433 * i386-protos.h (no_comparison_operator): Kill.
5435 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5437 * combine.c (REVERSIBLE_CC_MODE): Remove.
5438 (reversible_comparison_p): Remove.
5439 (combine_reversed_comparison_code): New.
5440 (reversed_comparison): New.
5441 (combine_simplify_rtx): Use
5442 combine_reversed_comparison_code/reversed_comparison instead
5443 of reversible_comparison_p.
5444 (simplify_if_then_else): Likewise.
5445 (simplify_set): Likewise.
5446 (simplify_logical): Likewise.
5447 (if_then_else_cond): Likewise.
5448 (known_cond): Likewise.
5449 (simplify_comparison): Likewise.
5451 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5453 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5454 sizeof (int) is larger than sizeof(__word__).
5456 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5458 * cppinit.c (do_includes): Fix typo.
5460 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5462 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5463 in S_REGS does not occur because not all sources are possible
5464 when a S_REGS is a destination (sometimes needs a clobber).
5465 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5466 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5467 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5468 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5469 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5470 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5471 (lshrdi_const1, lshrsi3_const16): Likewise.
5472 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5473 (*movhi_68hc12, *movqi_68hc12): Likewise.
5474 (movstrictqi): Make sure reloading in D_REGS as a destination
5477 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5479 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5481 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5483 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5484 -D, -U and -A, and don't initialize the builtins.
5485 (do_includes): Error if -include or -imacros with -fpreprocessed.
5486 * cppmain.c (cb_define, cb_undef): Unconditionally process
5488 * tradcpp.c (main): Fix typo.
5490 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5492 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5493 (read_name_map): Use IS_ABSOLUTE_PATH.
5494 * tradcpp.c (get_filename): Likewise.
5496 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5498 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5499 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5500 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5501 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5502 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5503 (cmphi_z_used): Don't use '@' for the output.
5504 (tstqi_z_used): Likewise.
5505 (cmpqi_z_used): Likewise.
5506 (one_cmplsi2): Likewise.
5508 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5510 * config/sh/sh.c (barrier_align): Recognize branch around far
5511 branch and redundant insn.
5513 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5515 * invoke.texi: Restore documentation of the drivers' switches -MD
5518 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5520 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5522 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5523 check-objc//%): Support parallel testing of multilibs.
5524 (TESTSUITEDIR): Set to testsuite by default, but override for
5526 (check-gcc, check-g++, check-g77, check-objc): Enter
5529 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5531 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5532 * sched-deps.c (deps_may_trap_p): Likewise.
5533 * basic-block.h: Remove a comment.
5534 * flow.c (PROP_POSTRELOAD): Remove.
5535 (update_life_info): Don't add it to prop_flags.
5536 (mark_set_1): Lose the code that was enabled by it.
5538 2001-01-11 Michael Hayes <mhayes@redhat.com>
5540 * flow.c (flow_call_edges_add): New.
5541 * basic_block.h (flow_call_edges_add): New.
5543 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5545 * reload1.c (move2add_note_store): Update reg_set_luid even if
5546 base reg remains the same.
5548 2001-01-10 Nick Clifton <nickc@redhat.com>
5550 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5551 machine_function structure to zero.
5552 Add prototypes for machine_status functions.
5554 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5556 * c-common.h (CTI_VOID_LIST): Remove.
5557 (void_list_node): Likewise.
5558 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5559 (void_list_node): New macro.
5560 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5561 * config/i386/i386.c (ix86_init_builtins): Likewise.
5562 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5564 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5566 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5567 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5569 * tradcpp.c: Include mkdeps.h.
5570 (deps, print_deps_phony_targets, deps_append, output_deps,
5571 init_dependency_output, output_deps): New.
5572 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5573 deps_output): Delete.
5574 (print_deps_missing_files): Rename deps_missing_files.
5575 (inhibit_output): Make global.
5576 (main): Delete inhibit_output, deps_stream, deps_target.
5577 Use mkdeps functionality in the same way as cpplib. Remove
5578 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5579 -M and -MM. Remove old handling of deps via deps_out, and
5580 old reading of environment variables.
5581 (get_filename): Update to use deps_add_dep.
5583 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5585 * output.h (make_function_rtl): Remove prototype.
5586 (make_decl_rtl): Likewise.
5587 * varasm.c (make_function_rtl): Remove.
5588 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5589 than from a third parameter.
5590 * tree.h (make_decl_rtl): Remove last parameter.
5591 * c-decl.c (builtin_function): Remove last argument in call to
5592 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5593 (start_function): Likewise.
5594 * except.c (call_get_eh_context): Likewise.
5595 * expr.c (emit_block_move): Likewise.
5596 (clear_storage): Likewise.
5597 * profile.c (output_func_start_profiler): Likewise.
5598 * toplev.c (rest_of_decl_compilation): Likewise.
5599 * objc/objc-act.c (create_builtin_decl): Likewise.
5600 (synth_module_prologue): Likewise.
5601 (generate_static_reference): Likewise.
5602 (build_selector_reference_decl): Likewise.
5603 (build_class_reference_decl): Likewise.
5604 (build_objc_string_decl): Likewise.
5605 (build_protocol_reference): Likewise.
5607 2001-01-10 Richard Henderson <rth@redhat.com>
5609 * hwint.h: Revert yesterday's change.
5611 2001-01-10 Nick Clifton <nickc@redhat.com>
5613 * function.h (save_machine_status): Delete.
5614 (restore_machine_status): Delete.
5615 Amend comment describing {init|mark|free}_machine_status.
5617 * function.c (save_machine_status): Delete.
5618 (restore_machine_status): Delete.
5619 Amend comment describing {init|mark|free}_machine_status.
5620 (push_function_context_to): Remove invocation of
5621 save_machine_status.
5622 (pop_function_context_from): Remove invocation of
5623 restore_machine_status.
5625 * emit-rtl.c (init_emit_once): Amend comment describing
5626 {init|mark|free}_machine_status.
5628 * tm.texi (Per-Function Data): New node. Describe the
5629 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5632 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5634 * cppinit.c (OPT_g): Remove.
5635 (cpp_handle_option): Update for removed -g3.
5636 (print_help): Update.
5637 * cpplib.h (struct cpp_options): Remove debug_output.
5638 * cppmain.c (setup_callbacks, cb_define): Update.
5639 * gcc.c (cpp_options): Translate -g3 to -dD.
5641 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5643 * config/i960/i960.md: Change modifier to + on the zero_extract
5644 pattern after the (rotate -2 reg) canonicalization pattern.
5646 2001-01-10 Richard Henderson <rth@redhat.com>
5648 * config/alpha/alpha.c (alpha_free_machine_status): New.
5649 (override_options): Install it.
5650 (alpha_mark_machine_status): Verify machine non-null.
5651 * config/i386/i386.c (ix86_free_machine_status): New.
5652 (override_options): Install it.
5653 (ix86_init_machine_status): Use xcalloc.
5654 (ix86_mark_machine_status): Verify machine non-null.
5655 * config/ia64/ia64.c (ia64_free_machine_status): New.
5656 (ia64_override_options): Install it.
5657 (ia64_mark_machine_status): Verify machine non-null.
5659 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5661 * function.c (instantiate_virtual_regs): Instantiate virtual
5662 registers found in CALL_INSN_FUNCTION_USAGE.
5664 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5666 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5667 equivalent to -ansi in disabling -Di386.
5669 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5671 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5673 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5675 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5677 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5679 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5681 * invoke.texi: Document that -fcond-mismatch isn't supported for
5684 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5686 * gcc.texi: Define macro gcctabopt.
5687 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5688 @command, @env and @option in some places where appropriate. Use
5689 @gcctabopt where appropriate. Put URLs and email addresses inside
5692 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5694 * gcc.c (cpp_options): Set MD file name from output
5695 filename, if specified.
5696 (suffix_subst): New static variable.
5697 (do_spec): Clear it.
5698 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5700 (give_switch): Handle suffix_subst.
5702 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5704 * invoke.texi: Fix another typo.
5706 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5708 * invoke.texi: Fix typo.
5710 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5712 * c-lang.c (lang_hooks): Update.
5713 (lang_decode_option): Remove.
5714 (lang_init_options): Rename c_init_options.
5715 * toplev.c (main): Use lang_hooks for lang_init_options
5716 and lang_decode_option.
5717 * toplev.h (lang_hooks): Add 2 new hooks.
5718 * tree.h: Remove lang_init_options and lang_decode_option.
5719 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5720 * cp/decl2.c: Similarly.
5721 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5722 (lang_hooks): Update.
5723 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5725 (lang_init_options): Rename ffe_init_options.
5726 (lang_hooks): Update.
5727 (lang_decode_option): Remove.
5728 * java/lang.c (lang_init_options): Rename java_init_options.
5729 (lang_decode_option): Rename java_decode_option.
5730 (lang_hooks): Update.
5731 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5732 (lang_decode_option): Rename objc_decode_option.
5733 (lang_hooks): Update.
5735 2001-01-09 Nick Clifton <nickc@redhat.com>
5737 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5738 (d30v_return_addr_rtx): Delete.
5739 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5740 cfun->machine structure.
5741 (struct machine_function): Move to d30v.h
5742 (d30v_save_machine_status): Delete.
5743 (d30v_restore_machine_status): Delete.
5744 (d30v_init_machine_status): New Function.
5745 (d30v_mark_machine_status): New Function.
5746 (d30v_free_machine_status): New Function.
5747 (d30v_init_expanders): Use new functions.
5748 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5749 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5750 d30v_return_addr_rtx.
5752 * config/d30v/d30v.h (struct_machine): Move here.
5753 Add eh_epilogue_sp_ofs field.
5755 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5756 field in cfun->machine structure.
5758 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5760 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5761 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5762 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5764 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5766 * objc/lang-options.h: Remove bogus reference to
5769 2001-01-09 Kazu Hirata <kazu@hxi.com>
5771 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5774 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5776 * reload.c (find_reloads_address): Check for eliminable registers
5777 when substituting a constant expression for a pseudo.
5779 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5781 * c-common.c (enum format_type): Add format_type_error.
5782 (decode_format_type): New function.
5783 (decl_attributes): Use it.
5784 (format_kind_info): Adjust comment.
5786 2001-01-09 David O'Brien <obrien@BSDi.com>
5788 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5789 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5791 * config/i386/gnu.h: Don't include required platform specific .h files,
5792 tm.h will do it instead.
5793 * config/i386/i386elf.h: Likewise.
5794 * config/i386/linux.h: Likewise.
5795 * config/i386/moss.h: Likewise.
5796 * config/mips/gnu.h: Likewise.
5798 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5800 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5801 (rs6000-ibm-aix3.[01]*): Likewise.
5802 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5803 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5804 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5805 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5806 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5807 (powerpc-*-eabiaix*): Likewise.
5808 (powerpc-*-eabisim*): Likewise.
5809 (powerpc-*-elf*): Likewise.
5810 (powerpc-*-eabi*): Likewise.
5811 (powerpc-*-rtems*): Likewise.
5812 (powerpc-*-linux*libc1): Likewise.
5813 (powerpc-*-linux*): Likewise.
5814 (powerpc-wrs-vxworks*): Likewise.
5815 (powerpcle-wrs-vxworks*): Likewise.
5816 (powerpcle-*-sysv*): Likewise.
5817 (powerpcle-*-elf*): Likewise.
5818 (powerpcle-*-eabisim*): Likewise.
5819 (powerpcle-*-eabi*): Likewise.
5820 (powerpcle-*-solaris2*): Likewise.
5821 * config/rs6000/aix31.h: Delete includes.
5822 * config/rs6000/aix3newas.h: Likewise.
5823 * config/rs6000/aix41.h: Likewise.
5824 * config/rs6000/aix43.h: Likewise.
5825 * config/rs6000/beos.h: Likewise.
5826 * config/rs6000/rtems.h: Likewise.
5827 * config/rs6000/sysv4.h: Likewise.
5829 2001-01-09 Kazu Hirata <kazu@hxi.com>
5831 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5832 Change an argument mode of machine_mode to shift_mode of
5833 shift_mode. Remove an extra error check.
5834 (emit_a_shift): Adopt to the new calling prototype of
5836 (function_prologue): Fix code for a monitor
5837 function. Support H8/S.
5838 (function_epilogue): Do not output pop for a monitor function.
5840 2001-01-09 Nick Clifton <nickc@redhat.com>
5842 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5843 (setup_incoming_varargs): Use sysv_varargs_p field of the
5844 cfun->machine structure.
5845 (struct machine_function): Move to rs6000.h
5846 (rs6000_save_machine_status): Delete.
5847 (rs6000_restore_machine_status): Delete.
5848 (rs6000_init_machine_status): New Function.
5849 (rs6000_free_machine_status): New Function.
5850 (rs6000_init_expanders): Use new functions.
5852 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5854 (struct machine_function): Move here.
5856 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5857 sysv_varargs_p field of the cfun->machine structure.
5859 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5861 (rs6000_restore_machine_status): Remove prototype.
5863 2001-01-09 Richard Henderson <rth@redhat.com>
5865 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5866 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5867 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5868 (sched_analyze_2, sched_analyze_insn): Likewise.
5869 (sched_analyze, init_deps): Likewise.
5870 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5871 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5872 (compute_block_backward_dependences): Update propagate_deps call.
5874 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5876 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5878 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5880 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5881 (cpp_handle_option): Handle them.
5882 (cpp_post_options): Ensure one of -M or -MM is specified with
5883 any other -M? option.
5884 (init_dependency_output): Suppress output with -MG.
5886 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5889 * invoke.texi: Update.
5891 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5893 * sh.md (reload_outsf): Generate recognizable patterns for
5896 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5898 * c-lang.c (lang_hooks): Update.
5899 (lang_init): Rename c_init.
5900 (lang_finish): Remove.
5901 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5903 * toplev.h (lang_hooks): Add init () and finish ().
5904 * tree.h (lang_init, lang_finish): Remove.
5905 * cp/tree.h (lang_init, lang_finish): Remove.
5906 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5907 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5909 (lang_init, lang_finish): Remove.
5910 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5911 (lang_hooks): Update.
5912 * java/lang.c (lang_init): Rename java_init.
5913 (lang_finish): Remove.
5914 (lang_hooks): Update.
5915 * objc/objc-act.c (lang_init): Rename objc_init.
5916 (lang_finish): Remove.
5917 (lang_hoooks): Update.
5919 20001-01-09 Graham Stott <grahams@redhat.com>
5921 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5922 after `ptr` is initialised.
5924 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5926 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5927 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5928 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5929 stack adjusts, instead of r3.
5931 2001-01-09 Michael Hayes <mhayes@redhat.com>
5933 * flow.c (flow_loop_scan): Break out of ...
5934 (flow_loops_find) ... here.
5935 * basic-block.h (flow_loop_scan): New.
5936 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5937 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5939 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5941 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5943 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5944 realloc()ing macro_buffer.
5946 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5947 if it's wider than long and the target's long is wider than the
5950 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5952 Remove support for using UWIN as a host machine.
5953 * configure.in: Issue an error message.
5954 * configure: Regenerated.
5955 * config.gcc: Remove xm_* UWIN configury.
5956 * config/i386/xm-uwin.h: Remove.
5958 2001-01-08 Nick Clifton <nickc@redhat.com>
5960 * config/v850/v850.c (ra_rtx): Delete.
5961 (v850_save_machine_status): Delete.
5962 (v850_restore_machine_status): Delete.
5963 (v850_init_machine_status): New function.
5964 (v850_mark_machine_status): New function.
5965 (v850_free_machine_status): New function.
5966 (v850_return_addr): Use ra_rtx field in machine structure.
5967 (v850_init_expanders): Use new functions.
5969 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5970 * config/v850/v850.c: Change arguments to v850_output+* functions
5971 to take a const char *, to avoid compile time warning.
5972 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5973 (USER_LABEL_PREFIX): Redefine.
5975 2000-01-08 Jim Wilson <wilson@redhat.com>
5977 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5978 1 to unsigned HOST_WIDE_INT before left shift.
5980 2001-01-08 Nick Clifton <nickc@redhat.com>
5982 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5983 the machine structure has been allocated.
5984 (arm_free_machine_status): New function: Free the machine
5985 specific function structure.
5987 2001-01-08 Richard Henderson <rth@redhat.com>
5989 * jump.c (simplejump_p): Revert last change.
5991 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5993 * cppinit.c (init): Rename init_library.
5994 (cpp_create_reader): Update.
5995 * gcc.c (cpp_options): If -o given, use it as the target of
5998 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6000 * arm.c (arm_arch5e): New variable.
6001 (all_cores): XScale is a 5TE device.
6002 (arm_override_options): Set arm_arch5e.
6003 (arm_init_builtins): __builtin_prefetch is in arch5e.
6004 * arm.h (arm_arch5e): Declare it.
6006 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6008 * arm.md (define_constants): Add defines for UNSPEC and
6009 UNSPEC_VOLATILE insns. Update all users.
6010 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6011 * arm.c (multi_register_push, note_invalid_constants)
6012 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6013 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6014 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6016 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6018 * jump.c (jump_optimize_1): Use reversed_comparison_code
6019 instead of can_reverse_comparison_p.
6020 (jump_back_p): Likewise.
6021 (invert_exp_1): Likewise.
6022 (thread_jumps): Likewise.
6023 * simplify-rtx.c (simplify_unary_operation): Likewise.
6024 (simplify_ternary_operation): Likewise.
6025 * cse.c (find_comparison_args): Convert to use
6026 can_reverse_comparison_p.
6027 (record_jump_equiv): Likewise.
6029 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6031 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6032 (EPILOGUE_USES): Define.
6033 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6034 automatically stack the LR if it isn't live.
6036 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6038 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6041 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6043 * ggc-page.c (max_alignment): New structure.
6044 (MAX_ALIGNMENT): New macro.
6045 (init_ggc): Use it to round up the sizes in the
6046 extra_order_size_table.
6048 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6050 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6053 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6055 * builtins.def (BUILT_IN_FPRINTF): New entry.
6057 * c-common.c (c_expand_builtin_fprintf): New function.
6058 (init_function_format_info): Handle __builtin_fprintf.
6059 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6060 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6062 * c-decl.c (duplicate_decls): Adjust comment.
6064 * extend.texi (fprintf): Document new builtin.
6066 2001-01-07 Richard Henderson <rth@redhat.com>
6068 * jump.c (simplejump_p): Recognize any single_set jump
6071 2001-01-07 Richard Henderson <rth@redhat.com>
6073 * configure.in (slibdir): Accept an --with-slibdir option.
6074 Use "test" not "[" in configure. Default to $(libdir).
6076 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6078 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6079 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6080 (SHLIB_LINK): Create links for the soname.
6081 * config/mips/t-iris6: Likewise.
6082 * config/sparc/t-slibgcc: Likewise.
6083 * config/sparc/t-slibgcc-sld: Likewise.
6085 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6087 * config/i386/i386.c (constant_call_address_operand): Accept
6088 (const (plus (symbol_ref) (const_int))).
6089 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6090 constant_call_address_operand.
6092 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6094 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6095 and LONG_LONG_TYPE_SIZE > 32.
6097 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6099 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6100 the previous change.
6102 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6104 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6106 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6107 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6108 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6111 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6113 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6115 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6117 * c-lang.c (c_post_options): Call cpp_post_options.
6118 * objc/objc-act.c (objc_post_options): Similarly.
6119 * cppmain.c (main): Similarly.
6120 * fix-header.c (read_scan_file): Similarly.
6121 * cppinit.c (cpp_start_read): Move option consistency checks
6122 to cpp_post_options. Don't call init_dependency_output.
6123 If needed, add default target and main file dependency.
6124 (OPT_MD, OPT_MMD): Remove.
6126 (cpp_handle_option): Update for OPT_* changes.
6127 (cpp_post_options): New.
6128 (init_dependency_output): Command line -MF overrides environment
6129 variables. Don't set default target etc. Suppress output
6130 if dependencies are going to stdout.
6131 (print_help): Update.
6132 * cpplib.h (cpp_post_options): New.
6133 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6135 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6137 * jump.c (comparison_dominates_p): Support unordered compares.
6139 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6141 * simplify-rtx.c (simplify_relational_operation): Always simplify
6142 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6145 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6147 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6148 (nonzero_bits): Likewise.
6149 (simplify_comparison): Likewise.
6150 (num_sign_bit_copies): Likewise; return more sane value depending
6151 on STORE_FLAG_VALUE.
6152 (known_cond): Do not assume EQ to be always true for equivalent
6155 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6157 * cse.c (fold_rtx): Handle unordered comparisons.
6159 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6161 * rtlanal.c (set_of_1): New static function.
6162 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6163 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6164 reg_set_last_last_regno): Remove.
6165 (set_of): New global function.
6166 (set_of_data): New structure.
6167 (reg_set_p, reg_set_last): Revamp for set_of.
6168 * rtl.h (set_of): New.
6170 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6172 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6173 * extend.texi: Document _Exit builtin.
6175 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6177 * (initialize, initialize_builtins,
6178 initialize_dependency_output, initialize_standard_includes):
6179 Rename s/initialize/init. Update.
6180 (init_dependency_output): Move to after
6181 cpp_handle_options, the correct location temporally at least.
6182 (opt_comp): Move next to init (), its caller. Fix prototype.
6183 (init): Make "initialized" local scope.
6184 (cpp_create_reader): Always call init ().
6185 (cpp_start_read): Update.
6186 (output_deps): New function, broken out of cpp_finish.
6187 (cpp_finish): Break out output_deps.
6189 2001-01-07 Richard Henderson <rth@redhat.com>
6191 * collect2.c (COFF specific stuff): Revert 12-06 patch
6192 to prototype system functions.
6194 2001-01-07 Michael Hayes <mhayes@redhat.com>
6196 * hard-reg-set.h: Add multiple include guard.
6197 * basic-block.h (struct loop): Add `sink' field.
6198 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6199 (emit_iv_add_mult): Delete.
6200 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6201 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6202 (unroll_loop): Remove end_insert_before argument.
6203 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6204 (maybe_eliminate_biv_1): Likewise.
6205 (emit_iv_add_mult): Delete.
6206 (gen_add_mult, loop_regs_update): New.
6207 (loop_insn_emit_after, loop_insn_emit_before): New.
6208 (loop_insn_sink, loop_insn_sink_or_swim): New.
6209 (emit_iv_add_mult): Delete.
6210 (scan_loop): Set loop->sink.
6211 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6212 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6213 (maybe_eliminate_biv_1): Likewise.
6214 (maybe_eliminate_biv_1): Add basic block argument.
6215 * unroll.c (unroll_loop): Remove end_insert_before argument.
6216 (find_splittable_regs): Likewise.
6217 (find_splittable_regs): Use loop_insn_sink and its ilk.
6218 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6220 2001-01-07 Michael Hayes <mhayes@redhat.com>
6222 * loop.h (loop_insn_hoist): New prototype.
6223 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6224 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6225 (check_dbra_loop, load_mems): Likewise.
6226 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6227 (find_splittable_givs): Likewise.
6229 2001-01-07 Michael Hayes <mhayes@redhat.com>
6231 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6233 2001-01-07 Richard Henderson <rth@redhat.com>
6235 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6237 2001-01-07 Richard Henderson <rth@redhat.com>
6239 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6240 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6241 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6242 variant that handles a shared libgcc.
6243 (process_command): Always validate -{static,shared}-libgcc.
6244 (do_spec_1): New 'M' case.
6245 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6247 2001-01-07 Richard Henderson <rth@redhat.com>
6249 * Makefile.in (slibdir): New variable.
6250 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6251 (installdirs): Create slibdir.
6252 (install-libgcc, install-multilib): Defer to libgcc.mk.
6253 * configure.in (slibdir): Substitute.
6254 * mklibgcc.in (install): New target.
6256 * config/t-linux (SHLIB_LINK): Create links for the soname.
6257 (SHLIB_INSTALL): New.
6258 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6259 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6260 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6261 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6262 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6264 2001-01-07 Richard Henderson <rth@redhat.com>
6266 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6267 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6268 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6270 2001-01-07 Michael Hayes <mhayes@redhat.com>
6272 * loop.c (count_loop_regs_set): Delete.
6273 (load_mems_and_recount_loop_regs_set): Delete.
6274 (loop_regs_scan): Merge common code from count_loop_regs_set,
6275 scan_loop, and load_mems_and_recount_loop_regs_set.
6276 (scan_loop): Call load_mems directly and loop_regs_scan
6277 again if new registers created.
6279 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6281 * toplev.c (main): Call the front-end specific post_options
6282 hook if one is given.
6283 * toplev.h (struct_lang_hooks, lang_hooks): New.
6284 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6285 for the C front end.
6286 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6287 lang_hooks for the C++ front end.
6288 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6289 lang_hooks for the ObjC front end.
6290 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6291 * java/lang.c (lang_hooks): Hooks for the Java front end.
6293 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6295 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6296 for verbose DWARF[2] debugging.
6297 (cb_define, cb_undef): The new callbacks.
6298 * toplev.h (debug_define, debug_undef): Make const correct.
6299 * toplev.c (debug_define, debug_undef): Similarly. Do not
6300 perform the verbosity tests here anymore.
6302 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6304 * reload.c (subst_reloads): Take INSN argument. When
6305 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6306 * reload.h (subst_reloads): Adjust prototype.
6307 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6308 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6309 present in JUMP_INSNs and copy them to JUMP_LABEL.
6310 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6311 JUMP_INSNs and insns with REG_LABELs that are followed by
6312 JUMP_INSNs with the same REG_LABEL.
6313 * sched-rgn.c (is_cfg_nonregular): Likewise.
6314 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6316 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6318 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6320 2001-01-06 Richard Henderson <rth@redhat.com>
6322 * loop.c (scan_loop): Use xcalloc for the regs array.
6323 (load_mems_and_recount_loop_regs_set): Zero the new memory
6324 received from xrealloc.
6326 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6328 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6330 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6332 * integrate.c (copy_rtx_and_substitute): When copying
6333 an ignored return value, strip REG_FUNCTION_VALUE_P.
6335 2001-01-06 Michael Hayes <mhayes@redhat.com>
6337 * loop.c (debug_biv, debug_giv): New.
6338 (loop_biv_dump): Break out from ...
6339 (record_biv): ... here.
6340 (loop_giv_dump): Break out from ...
6341 (record_giv): ... here.
6342 (loop_bivs_check): Use print_simple_rtl.
6343 * unroll.c (loop_iterations): Use print_simple_rtl.
6345 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6347 * pa.md (return, return_internal): Modify patterns to prevent regrename
6348 mucking with the return pointer.
6350 2001-01-05 Richard Henderson <rth@redhat.com>
6352 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6354 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6356 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6357 version supplied by Matteo Frigo.
6359 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6361 * cpp.texi: Update for -MQ.
6362 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6363 (cpp_cleanup): Always free pfile->deps.
6364 (initialize_dependency_output): Don't create pfile->deps.
6365 (cpp_handle_option): Similarly.
6367 * gcc.c (cpp_options): Handle -MQ.
6368 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6369 * mkdeps.c (base_name): Remove.
6370 (deps_init): Don't allocate vector space until it's needed.
6371 (deps_free): Only free vectors if allocated.
6372 (deps_add_target, deps_add_dep): Update for initial allocation.
6373 (deps_add_default_target): Don't strip to the base_name.
6375 2001-01-05 DJ Delorie <dj@redhat.com>
6377 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6378 (INIT_EXPANDERS): Define.
6380 * config/v850/v850.c (struct machine_function): Define.
6381 (v850_save_machine_status): New function.
6382 (v850_restore_machine_status): New function.
6383 (v850_return_addr): New function.
6384 (v850_init_expanders): New function.
6386 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6387 and v850_init_expanders.
6389 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6391 * cpplib.h (struct cpp_reader): Add help_only field.
6392 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6393 (cpp_handle_option): Set pfile->help_only if we see -h,
6394 --help, -target-help, or --version. Print version string but
6395 do not set help_only if we see -v or -version. Make text
6396 printed by -v match that printed by (-)-version.
6398 * cppmain.c (main): Exit after option parsing if
6399 pfile->help_only is true.
6401 * toplev.c (independent_decode_option): Call print_version,
6402 then exit, if we see --version (but not -version).
6403 (print_version): Split lengthy message into two lines.
6405 2001-01-05 Nick Clifton <nickc@redhat.com>
6407 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6408 temporary string for initialisation before calling ggc_alloc_string.
6410 2001-01-06 Michael Hayes <mhayes@redhat.com>
6412 * rtl.h (print_simple_rtl): New.
6413 * print-rtl.c (print_simple_rtl): New.
6415 (print_rtx): Disable printing of flags and modes, etc.,
6416 if `flag_simple` nonzero.
6418 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6420 * function.c (fixup_var_refs): Use push_to_full_sequence where
6423 2001-01-05 Michael Meissner <meissner@redhat.com>
6425 * flags.h (flag_reorder_blocks): Add declaration.
6426 (flag_rename_block): Ditto.
6428 2001-01-05 DJ Delorie <dj@redhat.com>
6430 * function.c (reorder_blocks): Make sure the flags are all reset
6431 before using them to mark blocks, else a second invocation will
6432 corrupt the block chain.
6433 (reorder_blocks_0): New, resets the flags.
6435 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6437 * cse.c (find_comparison_args): Stop if the argument is known to
6440 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6442 * config/sh/sh.md (movdf): When splitting load into pair of
6443 registers, don't clobber the register used in the address too
6446 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6448 * varasm.c (mark_constant_pool): Improve initial comments.
6449 (mark_constants): Move marking of constants to mark_constant.
6450 (mark_constant): New function to recursively mark all constants
6451 referred to by a constant.
6453 2001-01-05 Catherine Moore <clm@redhat.com>
6455 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6457 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6459 * cp/lang-options.h: Bring comment in line with reality.
6460 * f/lang-options.h: Likewise.
6461 * java/lang-options.h: Likewise.
6462 * objc/lang-options.h: Likewise.
6463 * ch/lang-options.h: Likewise.
6464 * f/g77.texi: And update the manual.
6466 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6467 Denis Chertykov <denisc@overta.ru>
6469 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6470 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6471 * config/avr/avr.md (all peepholes that request a scratch register):
6472 Call it, FAIL the peephole if not safe (in interrupt functions).
6474 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6476 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6478 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6480 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6482 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6483 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6484 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6485 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6486 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6488 * extend.texi: Document these builtins.
6490 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6492 * c-common.c (lang_get_alias_set): Say we know nothing of
6493 VECTOR_TYPE aliasing.
6495 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6497 2001-01-05 Bruce Korb <bkorb@gnu.org>
6499 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6500 their x* equivalent versions for atexit-less systems
6501 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6502 systems (or any other system any more).
6504 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6506 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6507 output operands. Use arm_hard_register_operand for operand 4.
6508 (stmsi_postinc): Similarly.
6509 (ldmsi): Use arm_hard_register_operand for opernand 2.
6511 * arm.c (arm_hard_register_operand): New function.
6512 * arm-protos.h (arm_hard_register_operand): Prototype it.
6514 * arm.h (HARD_REGNO_RENAME_OK): Define.
6516 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6518 * simplify-rtx.c (cfc_args): add "unordered" field.
6519 (check_fold_consts): Set unordered field.
6520 (simplify_relational_operation): Simplify the unordered
6523 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6526 * emit-rtl.c (try_split): Fix code to mark labels.
6527 * jump.c (mark_jump_label): Make global.
6528 * rtl.h (mark_jump_label): Declare.
6530 * predict.c (estimate_probability): Handle unordred comparisons.
6532 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6534 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6535 * cppinit.c (initialize_dependency_output): Update.
6536 (cpp_finish): Output dummy targets for -MP.
6538 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6539 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6540 * gcc.c (cpp_options): Update to handle -MP.
6541 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6542 to quote only the default target.
6543 (deps_phony_targets): Insert a preceding newline. Rename from
6544 deps_dummy_targets for consistency.
6547 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6549 * calls.c (emit_library_call_value_1): Support
6550 INIT_CUMULATIVE_LIBCALL_ARGS.
6551 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6553 2001-01-04 Richard Henderson <rth@redhat.com>
6555 * c-decl.c (finish_struct): Detect flexible array members
6556 used in an inappropriate context.
6557 * c-typeck.c (really_start_incremental_init): Special case
6558 constructor_max_index for zero length arrays.
6559 (pop_init_level): Allow initialization of flexible array
6560 members. Deprecate initialization of zero length arrays.
6561 Don't issue missing initializer warning for flexible array
6562 members or zero length arrays.
6563 (process_init_element): Don't dereference null DECL_SIZE.
6564 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6565 Don't abort for empty constructors. Use size_binop
6566 (output_constructor): Add commentary regarding zero length
6567 array futures. Abort if we try to initialize an array of
6568 unspecified length with a non-empty constructor in the middle
6571 * extend.texi (Zero Length): Update and clarify documentation
6572 on static initialization.
6574 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6576 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6577 with more than 32767 words of local storage.
6579 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6581 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6582 for 'abs', 'labs', and 'fabs'.
6583 (c4x_expand_builtin): Likewise.
6584 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6586 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6588 * config/sh/sh.md (prget, prset): New insn types.
6589 (return delay slot): Dont' allow prset.
6590 (call, sfunc delay slot): Don't allow prget.
6591 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6592 for prset and prget.
6594 2001-01-05 Michael Hayes <mhayes@redhat.com>
6596 * loop.h (struct loop_reg): New.
6597 (struct loop_regs): Change to use array of `struct loop_reg'.
6598 * loop.c: Replace assortment of varrays with single regs array.
6599 (count_one_set): Delete may_not_move array argument
6600 and use regs array instead. All caller's changed.
6601 (count_loop_regs_set): Delete may_not_move and single_usage
6602 arguments and use regs array instead. All caller's changed.
6603 (find_single_use_in_loop): Replace usage array argument with pointer
6604 to regs structure. All caller's changed.
6605 (loop_optimize): Delete `moved_once' array.
6607 2001-01-05 Michael Hayes <mhayes@redhat.com>
6609 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6610 Use it instead of loop_info->has_call for scanning loop mems.
6611 (check_dbra_loop): Replace loop_info->has_call test with
6612 loop_info->has_nonconst_call.
6614 2000-01-04 Matthew Hiller <hiller@redhat.com>
6616 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6619 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6621 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6622 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6624 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6626 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6627 (flag_short_double, flag_short_wchar): Define.
6628 (c_common_nodes_and_builtins): Create many tree nodes shared
6629 between C and C++ here instead of in cp/decl.c and ...
6630 * c-decl.c (init_decl_processing): ... here.
6631 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6632 (flag_short_double, flag_short_wchar): Don't define.
6633 (record_builtin_type): New function.
6634 (build_void_list_node): New function.
6635 * c-common.h (flag_short_double, flag_short_wchar,
6636 record_builtin_type, build_void_list_node): Declare.
6638 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6640 * integrate.c (expand_inline_function): Don't put a virtual
6641 register into the reg map.
6643 * function.c (fixup_var_refs_1): If force_operand didn't put
6644 the address into the target, move it there.
6646 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6648 Special-case tree_decl/tree_list allocations.
6649 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6650 (OBJECT_SIZE): New macro.
6651 (NUM_EXTRA_ORDER): Likewise.
6652 (extra_order_size_table): New variable.
6653 (NUM_ORDERS): New macro.
6654 (objects_per_page_table): New variable.
6655 (object_size_table): New variable.
6656 (G.pages): Use NUM_ORDERS to bound the array.
6657 (G.page_tails): Likewise.
6658 (DIV_ROUND_UP): Remove.
6659 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6660 (alloc_page): Use OBJECT_SIZE.
6661 (size_lookup): Don't make it const.
6662 (ggc_alloc): Use OBJECT_SIZE.
6663 (ggc_set_mark): Likewise.
6664 (ggc_get_size): Likewise.
6665 (init_ggc): Set up the object_size_table, objects_per_page_table,
6666 and adjust size_lookup.
6667 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6668 (ggc_pop_context): Use NUM_ORDERS.
6669 (clear_marks): Likewise.
6670 (sweep_pages): Likewise.
6671 (poison_pages): Likewise.
6672 (ggc_print_statistics): Use OBJECT_SIZE.
6674 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6676 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6677 Only call array_size_for_constructor if last field and array type
6678 with no upper bound.
6680 2001-01-04 Philip Blundell <philb@gnu.org>
6682 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6683 from bit 31 downwards, if this requires no more insns.
6684 (count_insns_for_constant): New helper function for above.
6686 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6688 * gencodes.c (output_predicate_decls): Remove empty initializer.
6690 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6692 * tree.c (copy_node): Remove documentation about obstacks.
6693 (buidl1): Check that nobody tries to build 2-argument nodes this
6696 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6698 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6701 * gencodes.c (output_predicate_decls): Fill empty initializer
6704 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6706 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6707 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6709 (do_include): Handle missing headers like cpp0.
6710 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6711 paths with first include pathname. Don't strcat to uninitialized
6714 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6716 * regrename.c (regrename_optimize): Don't rename from frame pointer
6717 if frame_pointer_needed.
6718 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6719 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6720 (ia64_reorg): Use it instead of scheduling if ! optimize.
6721 (errata_emit_nops): Properly call asm_noperands.
6722 (ia64_sched_reorder): Finish cycle if we see an asm.
6723 (ia64_variable_issue): Clear scheduling state after asms.
6725 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6727 * cpp.texi: Update for -MT.
6728 * cppinit.c (initialize_dependency_output): Add a default
6729 target if none has been given already.
6730 (no_tgt, OPT_MT): New.
6731 (cpp_handle_option): Handle -MT. Update -M etc.
6732 * cpplib.h (struct cpp_options): Remove deps_target.
6733 * gcc.c (cpp_options): Handle -MT.
6734 * mkdeps.c (struct deps): Move from mkdeps.h.
6735 (deps_calc_target): Rename deps_add_default_target. Add a
6736 default target if none has been specified already.
6737 * mkdeps.h (struct deps): Move to mkdeps.c.
6738 (deps_calc_target): Rename deps_add_default_target.
6740 2000-01-03 Richard Henderson <rth@redhat.com>
6742 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6744 * c-typeck.c (push_init_level): Move checks for flexible array
6745 members and zero length arrays ...
6746 (pop_init_level): ... here. Silently discard empty initializations.
6748 * varasm.c (output_constructor): Update for sizeof change to
6751 * extend.texi (Zero Length): Clarify semantics.
6753 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6755 * configure.in (tm.h): Include isns-codes.h last.
6756 * configure: Rebuilt.
6758 2001-01-03 Richard Henderson <rth@redhat.com>
6760 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6761 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6763 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6765 * tradcpp.c (main): Make sure finclude() is called with a valid
6766 indepth value while handling -include.
6768 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6770 * gencodes.c (output_predicate_decls): New function.
6772 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6773 even if it is not the first time machmode.h is #included.
6774 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6775 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6776 * gcc.texi (Copyright): Added 2001.
6778 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6780 * c-common.c (c_common_lang_init): New function. Warn if format
6781 warning options which only have effects when used with -Wformat
6782 are used without -Wformat.
6783 * c-common.h (c_common_lang_init): Declare.
6784 * c-lang.c (lang_init): Call c_common_lang_init.
6785 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6787 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6789 * configure.in: Check for the mktemp command.
6790 * configure: Regenerate.
6791 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6792 $TEMP. Create temporary files with mktemp, if available at
6793 configure time; otherwise use set -C. Remove temporary files
6796 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6798 * configure.in: Require at least texinfo 4.0. Check for whether
6799 Pod::Man is sufficiently recent to regenerate GCC manpages.
6800 * configure: Regenerate.
6801 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6803 (GENERATED_MANPAGES): Define.
6804 (generated-manpages): New target. Depend on cpp.1 as well as
6806 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6807 configure to generated-manpages or empty) rather than on the
6808 manpages directly. Remove execute permission from installed
6809 gcov.1 as well as cpp.1.
6810 * cpp.1, gcov.1: Regenerate.
6812 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6814 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6815 tree_low_cst. Allow using cmpstrsi in more cases.
6817 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6819 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6822 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6824 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6825 * Makefile.in (HOST_CFLAGS): Mention build-make.
6827 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6829 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6832 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6834 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6837 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6840 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6841 reg_base_value and reg_known_value arrays.
6842 (init_alias_analysis): Add more cases to detect known values.
6843 * sched-deps.c (deps_may_trap_p): New function.
6844 (sched_analyze_2): Use it.
6846 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6848 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6849 don't discard an ASHIFTRT if we're shifting in a wider mode.
6851 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6853 * toplev.c (rest_of_compilation): Don't print basic block information
6854 when CFG isn't up to date.
6856 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6858 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6859 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6860 (UNALIGNED_SHORT_ASM_OP): Define.
6861 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6863 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6865 * fold-const.c (fold_convert): Fix typo.
6867 2001-01-02 Richard Henderson <rth@redhat.com>
6869 * c-common.h (ASM_INPUT_P): New.
6870 * c-parse.in (asm): Set it when needed.
6871 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6872 existance of an operand.
6874 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6876 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6877 (dwarf2out_frame_debug_expr): Likewise.
6878 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6880 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6882 * i386.c (ix86_split_to_parts): Return number of part required;
6884 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6886 (ix86_split_long_move): Use number of part returned
6887 by ix86_split_to_parts
6888 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6890 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6891 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6892 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6893 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6894 (ALIGN_MODE_128): Add TFmode.
6895 (IS_STACK_MODE): Likewise.
6896 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6897 (HARD_REGNO_OK): Support TFmodes.
6898 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6899 * i386.md (scheduler definitions): Use memory operand to determine
6900 fst/fld instructions; use mode attribute to determine real mode of
6902 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6903 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6905 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6907 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6909 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6911 * expr.c (store_constructor_field): Update ALIGN before calling
6914 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6916 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6919 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6921 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6924 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6926 * c-decl.c (start_function): Don't warn on third parameter to main.
6928 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6930 * tsystem.h: Define HAVE_DECL_GETOPT.
6932 2001-01-02 Philip Blundell <pb@futuretv.com>
6934 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6937 2001-01-02 Richard Henderson <rth@redhat.com>
6939 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6941 2001-01-02 Andreas Jaeger <aj@suse.de>
6943 * c-decl.c (c_decode_option): Remove support of
6946 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6947 (W_options): Add -Wmissing-noreturn here.
6949 * flow.c: Define lang_missing_noreturn_ok_p.
6950 (check_function_return_warnings): Use it.
6952 * c-common.h: Declare lang_missing_noreturn_ok_p.
6954 * c-lang.c (c_missing_noreturn_ok_p): New function.
6955 (lang_init): Set lang_missing_noreturn_ok_p.
6957 * invoke.texi (Warning Options): Document this.
6959 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6961 * extend.texi (C++ Extensions): New node for C++ attributes;
6962 describe init_priority and com_interface.
6963 * invoke.texi: Remove -finit-priority as it now has zero effect.
6964 * install.texi: Fix xref syntax.
6965 * md.texi: Likewise.
6967 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6969 * config.gcc (sparc64-wrs-vxworks*): New case.
6970 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6972 * config/sparc/sparc.c (sparc_override_options): Do support different
6973 pointer and architecture size.
6974 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6975 (POINTERS_EXTEND_UNSIGNED): Define.
6976 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6977 (FUNCTION_MODE): Define to be Pmode.
6978 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6980 * function.c (expand_function_end): Properly handle DECL_RESULT
6981 and copy when ptr_mode != Pmode.
6982 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6984 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6986 * c-common.c (c_common_nodes_and_builtins): Set prototype
6987 parameters for __builtin_fputs, __builtin_fputc and
6988 __builtin_fwrite. Don't declare plain fputc as a builtin.
6990 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6992 * loop.c (add_label_notes): Increment the label usage count when
6993 a note is added to an insn which refers to a CODE_LABEL.
6994 * gcse.c (add_label_notes): Likewise.
6996 2001-01-01 Andreas Jaeger <aj@suse.de>
6998 * loop.c (scan_loop): Use xmalloc to allocate movables.
7000 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7002 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7003 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7004 * reload1.c (REGISTER_MOVE_COST): Likewise.
7005 * regclass.c (REGISTER_MOVE_COST): Likewise.
7006 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7007 dimension. Adjust all users.
7008 (init_reg_sets_1): Iterate on all modes.
7009 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7010 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7011 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7012 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7013 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7014 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7015 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7016 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7017 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7018 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7019 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7020 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7021 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7022 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7023 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7024 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7025 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7026 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7027 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7028 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7029 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7030 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7031 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7032 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7033 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7034 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7035 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7037 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7039 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7040 arg VARIES_P. Call it with extra arg.
7041 (true_dependence): Likewise.
7042 * rtl.h (rtx_addr_can_trap_p): Declare.
7043 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7045 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7046 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7047 pic offset table register if it's zero. All callers changed.
7048 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7050 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7052 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7053 STRING_POOL_ADDRESS_P.
7055 * config/sparc/sparc.c (input_operand): Properly test for short op.
7057 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7058 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7059 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7060 * config/sparc/elf.h: No longer include sol2.h.
7061 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7062 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7064 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7066 2001-01-01 Michael Hayes <mhayes@redhat.com>
7068 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7069 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7070 (record_initial): Likewise.
7071 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7072 (remap_split_bivs): Likewise.
7074 2001-01-01 Michael Hayes <mhayes@redhat.com>
7076 * loop.c (loop_ivs_free): New function.
7077 (strength_reduce): Break out from...
7079 2001-01-01 Michael Hayes <mhayes@redhat.com>
7081 * loop.h (struct iv): New.
7082 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7083 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7084 'reg_biv_class' fields with 'regs' and 'n_regs'.
7085 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7086 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7087 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7089 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7091 * resource.c (mark_referenced_resources): Abort() before
7092 attempting to mark a pseudo register.
7093 (mark_set_resources): Likewise.
7095 2001-01-01 Michael Hayes <mhayes@redhat.com>
7097 * loop.h (REG_IV_CLASS): New accessor macro.
7098 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7099 * unroll.c (REG_IV_CLASS): Likewise.
7101 See ChangeLog.4 for earlier changes.
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