1 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4 (lea_0): Rename to lea_1.
5 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
6 (lea_general_?): Allow SImodes on TARGET_64BIT
7 (lea_general_?_zext): New patterns.
8 (call_1, call_1_rex64): Fix.
10 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
12 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
14 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
16 * i386.c (function_arg): Return constm1_rtx for last argument.
17 (ix86_expand_prologue): Update gen_call calls.
18 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19 * i386.md (call_pop): Likewise.
20 (call): Second operand is VOIDmode.
21 (call_0): Likewise; Support 64bits.
22 (call_exp): New expander.
23 (call_1): Get to the sync.
24 (call_1_exp): New pattern.
25 (call_value): Support 64bit.
26 (call_value_exp): New pattern.
27 (untyped_call): Update gen_call call.
28 (call_value_pop): Disable for 64bit.
29 (call_value_0_rex64): New pattern.
30 (call_value_1_rex64): Likewise.
32 2001-04-05 Bo Thorsen <bo@suse.de>
34 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
36 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
38 * i386.md (*andsi_1+3): If used after reload, make sure the operand
39 satisfies ANY_QI_REG_P.
41 2001-04-05 Bernd Schmidt <bernds@redhat.com>
43 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
46 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
49 2001-04-04 Zack Weinberg <zackw@stanford.edu>
51 * config.gcc: Remove default for xm_file. Clean up local
52 machine type handling. Remove settings of xm_file to
53 something that doesn't exist. In the big switch, set xm_file,
54 don't append to it (the value before the big switch is always
55 null). Don't force build_xm_file or host_xm_file to have a value.
56 * configure.in: Remove default for xm_file. Do not special
57 case $cpu/xm-$cpu.h not existing.
58 * configure: Regenerate.
60 2001-04-04 Diego Novillo <dnovillo@redhat.com>
62 * simplify-rtx.c (simplify_binary_operation): Check for overflow
63 when folding integer division and modulo operations.
65 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
67 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
68 instead of DWARF2_ADDR_SIZE for EH addresses.
69 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
72 2001-04-04 Richard Henderson <rth@redhat.com>
74 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
75 * config/ia64/t-glibc (LIB2ADDEH): Disable.
76 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
78 2001-04-04 Richard Henderson <rth@redhat.com>
80 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
83 2001-04-04 Jakub Jelinek <jakub@redhat.com>
85 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
86 push insns to delete to it instead of deleting them.
87 (delete_null_pointer_checks): Delete insns from delete_list after
88 all delete_null_pointer_checks_1 passes are done.
90 2001-04-04 Richard Henderson <rth@redhat.com>
92 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
95 2001-04-04 Zack Weinberg <zackw@stanford.edu>
97 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
98 * config/romp/xm-romp.h: Delete.
100 2001-04-04 Bernd Schmidt <bernds@redhat.com>
102 * sched-deps.c (sched_analyze_insn): Partially revert March 27
105 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
107 * emit-rtl.c (mark_label_nuses) Increment the label uses for
108 all labels present in rtx.
109 (try_split) Call new function for all split insns.
111 2001-04-04 Jakub Jelinek <jakub@redhat.com>
113 * recog.c (validate_replace_rtx_1): Instead of aborting just make
114 sure the change won't be validated.
116 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
118 * rtl.h (set_noop_p): Declare.
119 * flow.c (set_noop_p): Move from here ...
120 * rtlanal.c (set_noop_p): ... to here and enhance.
121 * cse.c (delete_trivially_dead_insns): Use it.
122 * gcse.c (hash_scan_set): Likewise.
123 * jump.c (delete_noop_moves): Likewise.
124 * recog.c (split_all_insns): Likewise.
126 2001-04-04 Alan Modra <alan@linuxcare.com.au>
128 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
129 stack pointer via a LO_SUM. Ditto for setting a temp register
130 used to save to the stack. Set cfa_temp when setting fp, and
131 allow matches to cfa_temp in addition to cfa_store when saving
132 regs. Handle POST_INC and LO_SUM register stores. Document the
133 changes and errors in rule 12 doco.
135 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
136 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
137 (load_reg): Move closer to epilogue code.
138 (DO_FRAME_NOTES): Define to control the following..
139 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
140 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
142 (hppa_expand_epilogue): Likewise.
144 2001-04-03 Richard Henderson <rth@redhat.com>
146 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
147 * configure: Rebuild.
149 2001-04-03 Richard Henderson <rth@redhat.com>
151 * rtl.h (LCT_THROW): New.
152 * calls.c (emit_library_call_value_1): Handle it.
153 * except.c (connect_post_landing_pads): Use it.
155 2001-04-03 Zack Weinberg <zackw@stanford.edu>
157 * gansidecl.h: Delete file.
158 * configure.in: Change all refs to gansidecl.h to use
159 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
161 * configure: Regenerate.
163 * Makefile.in (intl.o): Don't depend on gansidecl.h.
164 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
165 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
166 Don't include gansidecl.h.
167 * intl.c, main.c, version.c, fixinc/fixlib.h,
168 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
171 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
173 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
176 2001-04-03 Zack Weinberg <zackw@stanford.edu>
178 * config/i386/xm-beos.h, config/i386/xm-isc.h,
179 config/i386/xm-next.h, config/i386/xm-sco.h,
180 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
181 config/m88k/xm-m88k.h: Delete.
183 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
184 * config/romp/xm-romp.h: Don't define bcopy.
185 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
186 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
188 * config.gcc: Remove references to deleted files.
190 14 xm-host.h remain, 1 xm-cpu.h.
192 2001-04-03 Jakub Jelinek <jakub@redhat.com>
193 David S. Miller <davem@pierdol.cobaltmicro.com>
194 Andrew MacLeod <amacleod@redhat.com>
196 Use byte offsets in SUBREGs instead of words.
198 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
199 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
200 to pass new argument.
201 (add_stored_regs): Use subreg_regno_offset function.
202 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
204 (precompute_arguments): Use gen_lowpart_SUBREG.
205 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
206 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
207 (simplify_set): Rework to use SUBREG_BYTE.
208 (expand_field_assignment): Use SUBREG_BYTE.
209 (make_extraction): Use SUBREG_BYTE.
210 (if_then_else_cond): Use SUBREG_BYTE.
211 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
212 (gen_lowpart_for_combine): Compute full byte offset.
213 * cse.c (mention_regs): Use SUBREG_BYTE.
214 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
215 (canon_hash): Use SUBREG_BYTE.
216 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
217 (gen_lowpart_if_possible): Formatting.
218 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
220 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
221 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
222 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
223 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
224 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
225 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
226 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
227 certain invariants about SUBREGs the compiler creates.
228 (gen_lowpart_SUBREG): New function.
229 (subreg_hard_regno): New function to get the final register number.
230 (gen_lowpart_common): Use SUBREG_BYTE.
231 (gen_imagpart): Spacing nits.
232 (subreg_realpart_p): Use SUBREG_BYTE.
233 (gen_highpart): Use SUBREG_BYTE.
234 (subreg_lowpart_p): Always compute endian corrected goal offset,
235 even at the byte level, then compare against that.
236 (constant_subword): New function, pulled out all constant cases
237 from operand_subword and changed second argument name to offset.
238 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
239 and call constant_subword to do the work. Return const0_rtx if
240 looking for a word outside of OP.
241 (operand_subword_force): Change second arg name to offset.
242 * expmed.c (store_bit_field): Use SUBREG_BYTE.
243 (store_split_bit_field): Use SUBREG_BYTE.
244 (extract_bit_field): Use SUBREG_BYTE.
245 (extract_split_bit_field): Use SUBREG_BYTE.
246 (expand_shift): Use SUBREG_BYTE.
247 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
248 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
249 * flow.c (set_noop_p): Use SUBREG_BYTE.
250 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
251 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
252 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
254 (optimize_bit_field): Use SUBREG_BYTE.
255 (purge_addressof_1): Use SUBREG_BYTE.
256 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
257 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
258 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
259 * gengenrtl.c (special_rtx): Add SUBREG.
260 * global.c (mark_reg_store): Use SUBREG_BYTE.
261 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
262 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
263 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
264 final byte offset is congruent to subreg's mode size.
265 (subst_constants): Use SUBREG_BYTE.
266 (mark_stores): Use subreg_regno_offset function.
267 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
268 function and SUBREG_BYTE.
269 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
270 (reg_is_born): Use subreg_hard_regno.
271 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
272 endian correction code. Don't combine subregs unless resulting
273 offset aligns with type. Fix subreg constant extraction for DImode.
274 Simplify SUBREG of VOIDmode CONST_DOUBLE.
275 (general_operand): Remove dead mode_altering_drug code.
276 (indirect_operand): Use SUBREG_BYTE.
277 (constrain_operands): Use subreg_regno_offset function.
278 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
279 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
280 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
281 * regs.h (REG_SIZE): Allow target to override.
282 (REGMODE_NATURAL_SIZE): New macro which target can override.
283 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
284 on the entire subreg rtx.
285 (push_reload): Use SUBREG_BYTE in comments and code.
286 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
287 for hard registers inside subregs.
288 (operands_match_p): Use subreg_regno_offset.
289 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
290 containing hard regs.
291 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
292 corrections when fixing up MEM subregs.
293 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
294 subreg_regno_offset where appropriate.
295 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
296 byte endian corrections when fixing up MEM subregs.
297 (subst_reloads): When combining two subregs, make sure final
298 offset is congruent to subreg's mode size.
299 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
300 (refers_to_regno_for_reload_p): Use subreg_regno.
301 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
302 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
303 correction code for memory subreg fixups.
304 (forget_old_reload_1): Use subreg_regno_offset.
305 (choose_reload_regs): Use subreg_regno.
306 (emit_input_reload_insns): Use SUBREG_BYTE.
307 (reload_combine_note_store): Use subreg_regno_offset.
308 (move2add_note_store): Use subreg_regno_offset.
309 * resource.c (update_live_status, mark_referenced_resources): Use
310 subreg_regno function.
311 (mark_set_resources): Use subreg_regno function.
312 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
313 (subreg_regno_offset, subreg_regno): Define prototypes.
314 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
315 (gen_lowpart_SUBREG): Add prototype.
316 * rtl.texi (subreg): Update to reflect new byte offset representation.
317 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
318 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
319 (reg_overlap_mentioned_p): Use subreg_regno.
320 (replace_regs); Make sure final offset of combined subreg is
321 congruent to size of subreg's mode.
322 (subreg_regno_offset): New function.
323 (subreg_regno): New function.
324 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
325 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
326 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
327 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
328 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
329 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
330 (a29k_get_reloaded_address): Use SUBREG_BYTE.
331 (print_operand): Use SUBREG_BYTE.
332 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
333 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
334 (arm_reload_out_hi): Use SUBREG_BYTE.
335 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
336 instead of SUBREG_WORD.
337 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
338 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
339 SUBREG creation to use byte offset.
340 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
341 inverted load insns): Fix explicit rtl subregs to use byte
343 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
344 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
345 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
346 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
348 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
349 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
350 offsets, also make sure it is congruent to SUBREG's mode size.
351 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
352 unnamed ldob insn): Generate SUBREGs with byte offset.
353 (zero_extendqihi2): SUBREG's are byte offsets.
354 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
355 (m68hc11_gen_highpart): Use SUBREG_BYTE.
356 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
357 zero-extendqisi2): Generate SUBREGs with byte offset.
358 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
359 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
360 subregs in rtl to use byte offsets.
361 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
362 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
363 (mips_move_2words): Use subreg_regno_offset.
364 (mips_secondary_reload_class): Use subreg_regno_offset.
365 * config/mips/mips.md (DImode plus, minus, move, and logical op
366 splits): Fixup explicit subregs in rtl to use byte offsets.
367 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
368 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
369 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
370 rtl to use byte offsets.
371 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
372 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
373 subregs to use byte offsets.
374 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
375 Fixup explicit subregs in rtl to use byte offsets.
376 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
377 and remove byte endian correction code.
378 * config/sh/sh.c (output_movedouble): Use subreg_regno.
379 (gen_ashift_hi): Use SUBREG_BYTE.
380 (regs_used): Use subreg_regno_offset.
381 (machine_dependent_reorg): Use subreg_regno_offset.
382 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
383 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
384 (movdf_i4): Subregs are byte offsets now.
385 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
386 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
387 (REGMODE_NATURAL_SIZE): Override.
388 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
389 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
391 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
392 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
393 extendqidi2): Generate SUBREGs with byte offsets, also make sure
394 it is congruent to SUBREG's mode size.
395 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
397 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
398 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
399 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
400 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
401 * config/v850/v850.c (print_operand, output_move_double): Use
402 subreg_regno function.
404 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
406 * configure.in (target_subdir): Use target_alias, not target.
407 * configure: Rebuilt.
409 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
411 * config/sh/crti.asm: Fix typos in comments.
413 2001-04-03 Alan Modra <alan@linuxcare.com.au>
415 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
416 TARGET_FAST_INDIRECT_CALLS.
417 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
419 (return_addr_rtx): Short circuit export stub matching when
420 TARGET_NO_SPACE_REGS.
421 (output_millicode_call): For out of range calls, make -fPIC
422 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
423 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
424 * pa.md: Modify length attr calculation of all millicode insns to
427 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
429 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
430 Require at least 2.11 in the version test. Specifically check
431 for and reject GAS version 2.10.90.
432 * configure: regenerate.
434 2001-04-03 Alan Modra <alan@linuxcare.com.au>
436 * pa.c (override_options): Remove PIC profiling warning.
437 (hp_profile_labelno): Delete.
438 (hp_profile_label_rtx): Delete.
439 (hp_profile_label_name): Delete.
440 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
441 (output_function_prologue): Remove profiling code and all tests on
442 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
443 merge_sp_adjust_with_store can work for PIC and profiling.
444 (hppa_expand_epilogue): Remove profile_flag test.
445 (hppa_can_use_return_insn_p): Likewise.
446 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
447 cater for PROFILE_HOOK.
448 (hppa_profile_hook): New function.
449 * pa.h (FUNCTION_PROFILER): Now does nothing.
450 (PROFILE_HOOK): Define.
451 (hppa_profile_hook): Declare.
452 (PROFILE_BEFORE_PROLOGUE): Delete.
453 (ASM_OUTPUT_REG_PUSH): Delete.
454 (ASM_OUTPUT_REG_POP): Delete.
455 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
456 r24. Accept function name operand, and use this and a locally
457 generated label to calculate pc-rel offset to func start.
459 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
462 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
465 2001-04-03 Alan Modra <alan@linuxcare.com.au>
467 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
468 LO_SUM cases to where they belong.
470 2001-04-02 Richard Henderson <rth@redhat.com>
472 * except.h (lang_eh_type_covers): Mark extern.
473 (lang_eh_runtime_type): Likewise.
475 2001-04-02 Zack Weinberg <zackw@stanford.edu>
477 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
478 gengenrtl.c: Wrap generated header in multiple-include guard.
479 Improve error checking.
481 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * configure.in: Don't check for putenv.
484 * configure: Regenerate.
485 * gcc.c (putenv): Don't define.
486 * vax/xm-vms.h: Handle putenv.
488 2001-04-02 Jakub Jelinek <jakub@redhat.com>
490 * ifcvt.c (noce_emit_move_insn): New.
491 (noce_try_store_flag, noce_try_store_flag_constants,
492 noce_try_store_flag_inc, noce_try_store_flag_mask,
493 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
494 noce_try_abs): Use it.
495 (noce_process_if_block): Likewise.
496 For STRICT_LOW_PART, take mode from its SUBREG.
498 2001-04-02 Jakub Jelinek <jakub@redhat.com>
500 * fold-const.c (fold): Before optimizing unsigned comparison with
501 0x7fffffffU, make sure arg0 is integral type.
503 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
505 * c-tree.texi: Document representation of wide strings.
507 2001-04-01 Richard Henderson <rth@redhat.com>
509 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
511 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
513 * i386.md: remove obsoleted comments.
514 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
515 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
518 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
520 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
522 2001-03-30 Bernd Schmidt <bernds@redhat.com>
524 * loop.c (load_mems): When generating a load from a pseudo, update
527 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
529 * i386.c (ix86_split_long_move): Use change address to compensate
530 stack pointer change in push instruction.
532 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
534 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
535 instead of rtx_equal_p; fix the output template.
537 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
539 * i386.c (ix86_expand_setcc): Support 64bit.
540 (ix86_expand_int_movcc): Likewise.
541 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
544 * i386.md (allocate_stack_worker): Turn to expander.
545 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
547 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
549 2001-03-29 Richard Henderson <rth@redhat.com>
551 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
553 2001-03-28 Matthew Hiller <hiller@redhat.com>
555 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
558 * MAINTAINERS: Added self.
560 2001-03-28 Richard Henderson <rth@redhat.com>
562 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
563 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
565 2001-03-28 Jim Wilson <wilson@redhat.com>
567 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
570 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
574 * tradcif.y (yyerror): Likewise. Add format specifier in call to
577 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
579 2001-03-28 DJ Delorie <dj@redhat.com>
581 * Makefile.in (stage1_build): Revert CFLAGS patch.
583 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
585 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
586 when multiplier or multiplicand is zero.
588 2001-03-28 Bernd Schmidt <bernds@redhat.com>
590 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
592 * config/ia64/ia64.c (update_set_flags): New function, broken out of
594 (set_src_needs_barrier): Likewise.
595 (rtx_needs_barrier): For SET case, use these two functions. Rework
596 PARALLEL case to handle all inputs before all outputs.
597 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
598 saw a label and no stop bit since then.
599 (maybe_rotate, process_epilogue): Add prototypes.
601 2001-03-28 Richard Henderson <rth@redhat.com>
603 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
604 not TARGET_TOC for special toc restore handling.
605 * config/rs6000/rs6000.md (eh_return): Likewise.
607 2001-03-28 Richard Henderson <rth@redhat.com>
609 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
610 current_function_calls_eh_return.
611 (output_function_epilogue): Handle eh_return.
612 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
613 (EH_RETURN_DATA_REGNO): New.
614 (EH_RETURN_STACKADJ_RTX): New.
615 (EH_RETURN_HANDLER_RTX): New.
616 * config/sparc/sparc.md (call/short branch peepholes): Check
617 can_throw_internal instead of in_same_eh_region.
619 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
620 for eh_return data registers.
621 (rs6000_emit_prologue): Save eh_return data registers.
622 (rs6000_emit_epilogue): Force inline restores if eh_return.
623 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
624 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
625 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
626 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
628 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
629 (return_eh_si, return_eh_di): Remove.
630 (eh_return): New, from corpse of eh_epilogue.
631 (eh_set_lr_si, eh_set_lr_di): New.
633 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
634 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
635 True for pic register if current_function_calls_eh_return.
636 (ix86_expand_epilogue): Change "emit_return" argument into "style".
637 Handle eh_return requirements.
638 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
639 (EH_RETURN_STACKADJ_RTX): New.
640 * config/i386/i386.md (exception_receiver): Remove.
641 (eh_return, eh_return_1): New.
642 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
644 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
645 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
646 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
647 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
648 (EH_RETURN_DATA_REGNO): New.
649 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
650 * config/alpha/alpha.md (eh_epilogue): Remove.
651 (exception_receiver): Use $26 for ldgp input.
652 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
654 2001-03-28 Richard Henderson <rth@redhat.com>
656 * except.c: Rewrite entirely for IA-64 ABI exception handling.
657 * except.h: Likewise.
659 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
661 (LIB2FUNCS_EH): Remove.
662 (LIB2ADD): Remove LIB2ADDEH.
663 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
664 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
665 (crt{begin,end}[S].o): Likewise.
666 (except.o): Update includes.
667 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
668 (libgcc2_c_dep): Use LIB2ADDEHDEP.
670 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
671 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
672 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
673 * builtins.c (expand_builtin): Implement it.
674 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
675 * c-common.c (c_common_nodes_and_builtins): Declare it.
676 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
677 * calls.c (libfunc_nothrow): Remove.
678 (emit_library_call_value_1): Don't call it.
679 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
680 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
681 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
682 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
683 (current_funcdef_number): Globalize.
684 (output_call_frame_info): Emit frame data if an lsda is needed.
685 Generate augmentation for personality routine. Don't play with
687 (dwarf2out_begin_prologue): Record funcdef_number.
688 * dwarf2out.h (current_funcdef_number): Declare.
689 * expr.c (expand_expr): Update for except.h name changes.
690 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
691 * expr.h (LTI_throw, LTI_rethrow): Remove.
692 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
693 (LTI_eh_rtime_match): Remove.
694 (LTI_unwind_resume, LTI_eh_personality): Add.
695 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
696 * final.c (final): Don't call check_exception_handler_labels,
697 init_insn_eh_region, or free_insn_eh_region.
698 (final_scan_insn): Always emit debug labels for
699 NOTE_INSN_EH_REGION notes.
700 * flags.h (flag_new_exceptions): Remove.
701 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
702 (record_active_eh_regions): Remove.
703 (count_basic_blocks): Check all instructions for REG_EH_REGION.
704 Use can_throw_internal.
705 (find_basic_blocks_1): Likewise.
706 (move_stray_eh_region_notes): Remove.
707 (find_label_refs): No eh_return_stub_label.
708 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
709 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
711 (delete_unreachable_blocks): Don't track deleted handlers.
712 (flow_delete_block): Use maybe_remove_eh_handler.
713 (delete_eh_regions): Remove.
714 (merge_blocks): Don't check for eh region match.
715 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
716 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
717 (init_propagate_block_info): Disable dead frame store optimization
718 when current_function_calls_eh_return.
719 (dump_bb): Don't print eh_beg, eh_end.
720 * function.c (fixup_var_refs): No catch_clauses.
721 (expand_function_end): Likewise. Call expand_eh_return before
722 the return register use. Call sjlj_emit_function_exit_after.
723 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
724 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
725 * ifcvt.c (dead_or_predicable): Remove eh region check.
726 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
727 Don't check for EH vs parameters.
728 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
729 (expand_inline_function): Call duplicate_eh_regions.
730 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
731 (copy_insn_notes): Remap REG_EH_REGION notes.
732 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
733 * integrate.h (struct inline_remap): Add local_return_label.
734 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
735 check_exception_handler_labels, nor exception_optimize.
736 (find_cross_jump): No EH region check.
737 * optabs.c (init_optabs): Update for changed eh libfuncs.
738 * rtl.def (RESX): New.
739 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
740 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
741 checks. Update for except.h name changes.
742 (expand_cleanups): Likewise.
743 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
744 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
745 (compile_file): Call init_eh before init_optabs. Don't
746 output_exception_table here.
747 (rest_of_compilation): Call convert_from_eh_region_ranges,
748 convert_to_eh_region_ranges, output_function_exception_table.
749 Don't emit_eh_context.
750 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
753 * md.texi (eh_epilogue): Remove.
754 (eh_return): Document.
755 * tm.texi (EH_RETURN_DATA_REGNO): Document.
756 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
758 * eh-common.h: Remove file.
759 * frame-dwarf2.c, frame.c, frame.h: Remove files.
760 * libgcc2.c (L_eh): Remove.
762 * unwind-dw2-fde.c: New file, largely copied from frame.c.
763 * unwind-dw2-fde.h: New file.
764 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
765 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
766 * libgcc-std.ver: Update for eh symbols.
768 2001-03-27 Richard Henderson <rth@redhat.com>
770 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
771 reduce false positives.
772 (regmove_optimize): Disable if flag_non_call_exceptions.
774 * stmt.c (expand_return): Remove always true predicate.
775 (expand_decl_cleanup_no_eh): Remove dead code.
777 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
778 barrier code. Add a scheduling barrier if a non-call insn
779 can throw internally.
781 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
782 Auto-inc addresses trap only if their base register does.
784 * except.c (can_throw_internal): Rename from can_throw.
785 * except.h, resource.c: Update references.
787 * integrate.c (copy_insn_list): Use returnjump_p.
788 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
790 * function.h (struct function): Move all boolean valued fields
791 to single bit fields at the end of the struct.
793 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
795 Rename asynchronous_exceptions to flag_non_call_exceptions.
797 * gthr-single.h (UNUSED): New. Distinguish between how C
798 and C++ mark unused function arguments. Use throughout.
800 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
801 value to target configuration header.
802 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
803 * config.in, configure: Rebuild.
804 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
805 configuration and target defines.
806 (exceptions_via_longjmp): Remove.
807 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
808 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
810 * except.h (flag_non_call_exceptions): Move ...
813 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
814 exceptions, put the note on the trapping instruction.
816 * flags.h (flag_new_exceptions): Remove.
817 * toplev.c: Don't set it.
818 * final.c: Don't check it.
819 * except.c: Provide stub definition.
821 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
822 (calculate_global_regs_live): Kill call-clobbered registers
823 across exception edges.
824 * reg-stack.c (convert_regs_1): Kill the entire target stack
825 across non-call exception edges.
827 * flow.c (cleanup_cfg): Take no argument.
828 * output.h, sibcall.c, toplev.c: Update all calls.
830 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * configure.in: Don't check for bcopy.
833 * configure, config.in: Regenerate.
835 * system.h: Don't define or prototype bcopy, instead poison it.
837 2001-03-27 Richard Henderson <rth@redhat.com>
839 * function.c (expand_function_start): Set DECL_REGISTER on
840 a pseudo used for DECL_RESULT.
842 * rtl.h (LCT_NORETURN): New.
843 * calls.c (emit_library_call_value_1): Handle it.
845 2001-03-27 Stan Shebs <shebs@apple.com>
847 * objc/objc-act.c (objc_init): Use dump_base_name.
848 (gen_declaration): Clear the buffer arg.
849 (gen_declaration_1): New function, body of gen_declaration.
850 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
851 (gen_method_decl): Ditto, plus always clear buffer arg.
852 (error_with_ivar): Simplify.
853 (warn_with_method): Ditto.
854 (build_message_expr): Don't clear buffers.
855 (dump_interface): Ditto.
857 (build_keyword_selector): Clear the buffer by only zeroing
859 (objc_implementation_context): Declare.
860 (start_class): Warn about missing @end.
861 (finish_objc): Ditto.
863 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
865 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
867 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
869 * Makefile.in (SYSTEM_H): Define.
870 Depend on $(SYSTEM_H), not system.h.
872 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
874 2001-03-27 Jim Wilson <wilson@redhat.com>
876 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
878 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
879 (process_epilogue): New static function.
880 (process_set): Call process_epilogue instead of emitting .restore
882 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
884 * flow.c (struct reg_cond_life_info): New fields orig_condition
886 (init_propagate_block_info): Set new fields.
887 (mark_regno_cond_dead): Set and use new fields.
888 (flush_reg_cond_reg_1): Likewise.
889 (and_reg_cond, case AND): Check for redundant AND conditions.
890 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
893 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
895 * cppmacro.c (stringify_arg): Null terminate strings.
897 2001-03-27 Zack Weinberg <zackw@stanford.edu>
899 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
900 inclusion style. xm-m68hc11.h no longer exists.
901 * config/m68hc11/xm-m68hc11.h: Delete file.
902 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
904 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
905 Don't define GCC_VERSION, N_, or PARAMS; don't include
906 gansidecl.h or stdio.h. Define inhibit_libc here.
907 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
908 Delete code conditioned on #if GCC_VERSION == 2095.
910 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
911 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
912 Delete code conditioned on #if GCC_VERSION == 2095.
914 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
916 * system.h: Include symcat.h.
917 (STRINGIFY): Don't define.
919 * configure.in: Adjust comment.
921 * builtins.c: Use STRINGX, not STRINGIFY.
922 * gencheck.c: Likewise.
923 * gengenrtl.c: Likewise.
924 * protoize.c: Likewise.
926 * cpplex.c: Don't include symcat.h.
927 * cpplib.c: Likewise.
929 * gansidecl.h (HAVE_STRINGIZE): Don't define.
931 2001-03-27 Alan Modra <alan@linuxcare.com.au>
933 * c-typeck.c (digest_init): Fold init expression.
935 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
937 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
939 2001-03-27 Alan Modra <alan@linuxcare.com.au>
941 * except.c (eh_regs): Save results of build_pointer_type to a temp
942 as FUNCTION_VALUE macro may evaluate its args multiple times.
944 2001-03-26 Mark Mitchell <mark@codesourcery.com>
946 * c-common.h (DECL_NUM_STMTS): New macro.
947 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
949 (pushdecl): Likewise.
950 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
951 * integrate.c (expand_inline_function): Don't check
953 * print-tree.c (print_node): Don't print it.
954 * toplev.c (rest_of_compilation): Don't try to inline when
955 flag_no_inline is on.
956 * tree.h (DECL_FRAME_SIZE): Remove.
957 (tree_decl): Adjust accordingly.
959 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
961 * combine.c (try_combine): Use memcpy, not bcopy.
963 * genattrtab.c (expand_units): Likewise.
965 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
967 * i386.md (push mem DI peep2): New.
968 (mov 0, mov -1 peep2): Handle 64bit.
969 (lea to arithmetics peep2): Handle 64bit leas.
970 (rsp arithmetics to push/pop peep2s): New.
972 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
974 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
976 * i386.c (struct machine_function): Add save_varrargs_registers.
977 (ix86_save_varrargs_registers): New macro.
978 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
979 (ix86_expand_prologue): Likewise.
980 (ix86_emit_epilogue_esp_adjustement): Likewise.
981 (ix86_expand_epilogue): Likewise.
982 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
983 (pro_epilogue_adjust_stack_1): New insn.
984 (pro_epilogue_adjust_stack_rex64): Likewise.
985 * i386.h (MASK_NO_RED_ZONE): New constant.
986 (TARGET_RED_ZONE): New macro.
987 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
988 (RED_ZONE_SIZE): New constant.
989 (RED_ZONE_RESERVE): New constant.
991 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
993 * toplev.c (set_float_handler): Use memcpy, not bcopy.
995 2001-03-25 Kazu Hirata <kazu@hxi.com>
997 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1000 (umodhi3): Likewise.
1003 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1005 * mkconfig.sh (DEFINES): Handle entries with '='.
1007 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1008 Set xm_defines to MACRO=value instead.
1010 * i370/xm-mvs.h: Delete.
1012 * ns32k/xm-pc532-min.h: Likewise.
1014 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1016 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1018 use ix86_expand_binary_operator
1019 (?sh??i_?): Disable for 64bit.
1020 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1021 * i386.c (shiftdi_operand): New predicate.
1023 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1024 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1025 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1026 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1027 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1028 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1029 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1030 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1031 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1032 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1033 (rotldi3, rotrdi3): New expanders.
1035 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1037 * i386.md (movstrsi): Move offline.
1039 (strmovdi_rex64): New.
1040 (strmov?i): Accept 64bit.
1041 (strmov?i_rex64): New.
1042 (strmov?i_rex_1): New.
1043 (strmov?i_1): Disable for 64bit.
1044 (rep_mov?i_rex64): New.
1045 (rep_mov?i): Disable for 64bit.
1046 (clrstrsi): Move offline.
1047 (strset?i_rex64): New.
1048 (strset?i: Accept 64bit.
1049 (rep_stos?i): Disable for 64bit.
1050 (rep_stos?i_rex64): New.
1051 (strset?i_rex_1): New.
1052 (strset?i_1): Disable for 64bit.
1053 (cmpstrsi): Accept 64bit.
1054 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1055 (cmpstrqi_nz_rex_1): New.
1056 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1057 (strlensi): Move offline.
1059 (strlenqi_1): Disable for 64bit; fix constraints.
1060 (strlenqi_rex_1): New.
1061 * i386.c (ix86_adjust_counter): New static function.
1062 (ix86_zero_extend_to_Pmode): Likewise.
1063 (ix86_expand_aligntest): Likweise.
1064 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1065 (ix86_expand_movstr): New global function.
1066 (ix86_expand_clrstr): New global function.
1067 (ix86_expand_strlen): New global function.
1068 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1069 ix86_expand_strlen): Declare.
1070 (ix86_expand_strlensi_unroll_1): Delete.
1072 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1074 * i386.md (cmpdi): Fix operand predicates.
1075 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1076 cmpdi_1_insn_rex64): New patterns.
1077 (adddi3): Turn to expander.
1078 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1079 (addsi3_carry_zext): New pattern.
1080 (adddi_?_rex64): New patterns and splitters.
1081 (addsi_?_zext): New patterns.
1082 (subsi3_carry_zext): New pattern.
1083 (subdi_?_rex64): New patterns and splitters.
1084 (iorsi_?_zext): New patterns.
1085 (iordi_?_rex64): New patterns and splitters.
1086 (iorsi_?_zext): New patterns.
1087 (iorsi_?_zext_imm): New patterns.
1088 (xorsi_?_zext): New patterns.
1089 (xordi_?_rex64): New patterns and splitters.
1090 (xorsi_?_zext): New patterns.
1091 (negdi*): New patterns.
1092 (one_cmpldi*): Likewise.
1093 (one_cmplsi*_zext, negsi*_zext): Likewise.
1094 (testqi_ext_3_rex64): New pattern.
1096 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1098 * i386-protos.h (ix86_split_long_move): Return void.
1099 * i386.c (ix86_split_to_parts): Handle 64bit target.
1100 (ix86_split_long_move): Likewise.
1101 * i386.md (all calls to ix86_split_long_move): Update.
1103 2001-03-23 Richard Henderson <rth@redhat.com>
1105 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1106 to avoid shadowing arguments.
1108 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1110 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1111 to variable names where DECL_NAME is different from
1112 DECL_ASSEMBLER_NAME.
1114 2001-03-23 Jim Wilson <wilson@redhat.com>
1116 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1117 (assemble_alias): Call make_decl_rtl.
1119 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1121 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1123 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1125 * extend.texi: Document the "java_interface" attribute.
1127 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1129 * mkconfig.sh: Use a subshell with redirected stdout,
1130 instead of closing stdout and confusing commands that run
1131 afterward. Throw away output of cmp.
1133 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1135 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1137 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1139 * i386.md (zero_extendsidi2_32): Break out from ...
1140 (zero_extendsidi2): ... here ; turn to expander.
1141 (zero_extendsidi2_rex64): New.
1142 (extendsidi2_32): Break out from ...
1143 (extendsidi2): ... here ; turn to expander.
1144 (extendsidi2_rex64): New.
1145 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1146 (trunc?f?f splitters): Add 64bit versions.
1148 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1150 * i386.md (pushsi, pushsi2_prologue): Disable.
1151 (pushsi2_rex64): New.
1152 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1153 (movqi_ext_1): Disable for 64bit.
1154 (movqi_ext_1_rex64): New.
1155 (pushdi2_rex64): New pattern, peep2s and splitter.
1156 (pushdi2_prologue_rex64): New pattern.
1157 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1159 (movdi splitters): Disable for 64bit.
1160 (movdi_1_rex64): New pattern, peep2s and splitters.
1161 (swapdi): New pattern.
1162 (pushsf): Disable for 64bit.
1163 (pushsf_rex64): New pattern and splitter.
1164 (pushdf_nointeger): Disable for 64bit.
1165 (pushdf_integer): Handle the 64bit case.
1166 (pushtf): Likewise; update splitters.
1168 2001-03-22 Richard Henderson <rth@redhat.com>
1170 * mkconfig.sh: Include insn-flags.h.
1171 * Makefile.in (CONFIG_H): Include insn-flags.h.
1172 (lots of objects): Remove insn-codes.h and insn-flags.h.
1174 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1175 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1176 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1177 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1178 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1179 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1180 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1181 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1182 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1183 v850/v850.c, vax/vax.c:
1184 Don't include insn-flags.h.
1186 * diagnostic.c, expr.h, reload.c, toplev.c:
1187 Don't include insn-codes.h.
1189 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1190 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1191 c4x/c4x.c, i960/i960.c, mips/mips.c:
1192 Don't include insn-codes.h or insn-flags.h.
1194 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1195 or insn-flags.h in the generated code.
1196 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1197 (main): Forward declare struct rtx_def.
1199 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1201 * invoke.texi (-ffast-math): Remove duplicate line about
1204 * gcc.texi: Remove more obsolete documentation of bugs and
1205 installation problems.
1207 2001-03-21 Kazu Hirata <kazu@hxi.com>
1209 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1212 2001-03-20 Jason Merrill <jason@redhat.com>
1214 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1216 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1217 * varasm.c (CHKR_PREFIX): Likewise.
1219 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1221 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1222 is part of a multi-SET insn.
1224 * cse.c (find_comparison_args): Remove previous change.
1225 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1228 * config/i386/i386.md (conditional_trap): Remove warning.
1230 * recog.c (push_operand): Fix error in last change that caused
1231 undefined symbol on many targets.
1233 * sdbout.c: #include ggc.h.
1234 (sdbout_init): Move to end of file.
1235 Call ggc_add_tree_root for anonymous_types.
1236 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1237 (sdbout_one_type): Use DECL_NAME for field name.
1238 * Makefile.in (sdbout.o): Show includes ggc.h.
1240 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1243 (override_options): Use properlimits for preferred_stack_boundary.
1244 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1246 (ext_register_operand): Accept DImode.
1247 (load_pic_register): Abort on 64bit.
1248 (gen_push): Use Pmode instead of SImode.
1249 (ix86_save_reg): Pic reg is never used on 64bit.
1250 (ix86_expand_prologue): Likewise.
1251 (ix86_emit_save_regs): Use Pmode instead of SImode.
1252 (legitimate_address_p): Check displacement for 64bit.
1253 (print_operand): Avoid outputting of (%rip) on 64bit.
1254 (print_operand_address): Output (%rip) where possible.
1255 (split_di): Abort on 64bit registers.
1256 (ix86_expand_branch): DImode comparison is simple for x86_64.
1257 (memory_address_length): Recognize memory addresses formed using
1259 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1261 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1263 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1265 * recog.c (push_operand): Recognize new format of push instructions.
1267 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1269 * i386.md (pushqi1): New.
1270 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1271 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1272 x86_64_immediate_operand, x86_64_immediate_operand,
1273 x86_64_zext_immediate_operand): Declare.
1274 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1275 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1276 x86_64_immediate_operand, x86_64_immediate_operand,
1277 x86_64_zext_immediate_operand): define.
1278 * i386.h (PREDICATE_CODES): Add new predicates.
1280 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1282 * i386.md (pophi1, popqi1, pushqi1): Remove.
1284 * expr.c (emit_single_push_insn): New function.
1285 (move_by_pieces): Accept NULL as destination for push instructions.
1286 (gen_push_operand): Kill.
1287 (emit_push_insn): Pass NULL when pushing; avoid updating of
1288 stack_pointer_delta.
1289 * expr.h (gen_push_operand): Kill.
1291 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1293 * rtl.texi (COMPARE): Clarify documentation and reference section
1296 2001-03-20 Stan Shebs <shebs@apple.com>
1298 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1299 (get_object_reference): Ditto.
1300 (error_with_ivar): Use error_with_file_and_line.
1301 (warn_with_method): Use warning_with_file_and_line.
1303 2001-03-20 Tom Tromey <tromey@redhat.com>
1305 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1307 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1309 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1310 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1312 2001-03-20 DJ Delorie <dj@redhat.com>
1314 * Makefile.in (install-libgcc): Pass complete list of variables.
1315 (install-multilib): Ditto.
1317 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1319 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1320 drectve_section, switch_to_section.
1322 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1323 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1324 i386_pe_mark_dllimport.
1326 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1328 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1329 functions i386_pe_*.
1331 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1332 i386_pe_* functions with char * arguments.
1334 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1336 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1338 (movsi_ie): Introduce fpul store.
1340 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1342 * Makefile.in (OBJS): Remove hashtab.o.
1344 2001-03-19 Stan Shebs <shebs@apple.com>
1346 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1347 * c-lang.c (maybe_objc_method_name): Ditto.
1348 * c-tree.h (maybe_objc_method_name): Remove decl.
1350 2001-03-19 Tom Tromey <tromey@redhat.com>
1352 * gcc.c (init_gcc_specs): Fix comment.
1354 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1356 Compute DECL_ASSEMBLER_NAME lazily.
1357 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1358 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1359 (SET_DECL_ASSEMBLER_NAME): Likewise.
1360 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1361 (set_decl_assembler_name): Declare.
1362 (lang_set_decl_assembler_name): Likewise.
1363 * tree.c (lang_set_decl_assembler_name): New variab.e
1364 (set_decl_assembler_name): New function.
1365 (init_obstacks): Set lang_set_decl_assembler_name.
1366 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1367 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1368 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1369 where it's not necessary.
1370 (builtin_function): Likewise.
1371 (finish_decl): Likewise.
1372 * dbxout.c (dbxout_type_methods): Likewise.
1373 * ggc-common.c (ggc_mark_trees): Likewise.
1374 * profile.c (output_func_start_profiler): Likewise.
1375 * varasm.c (make_decl_rtl): Likewise.
1377 * cse.c (find_comparison_args): Update documentation. Fix
1378 mishandling of COMPARE operations.
1380 * tree.def (ABS_EXPR): Add documentation.
1381 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1383 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1385 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1387 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1389 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1390 Remove ia32 linux PIC kludge and move it...
1391 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1393 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1395 * i386.md (absdf2 expander): Fix 64bit case.
1397 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1399 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1401 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1403 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1405 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1407 * README.X11: Remove obsolete file.
1409 2001-03-18 Anthony Green <green@redhat.com>
1411 * config/pj/pj.h: Remove some trailing commas.
1412 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1414 2001-03-18 Richard Henderson <rth@redhat.com>
1416 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1417 * calls.c: ... here.
1418 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1419 defaults for them here.
1421 2001-03-17 Anthony Green <green@redhat.com>
1423 * config/pj/lib1funcs.S: Fix broken comment.
1424 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1427 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1429 * gcc.texi: Remove obsolete information relating to build and
1430 installation problems with enquire or the Pyramid C compiler.
1432 2001-03-17 Richard Henderson <rth@redhat.com>
1434 * dwarf2out.c (queue_reg_save): New.
1435 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1436 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1438 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1439 (cfa, cfa_store, cfa_temp): Make static.
1440 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1442 2001-03-17 Richard Henderson <rth@redhat.com>
1444 * integrate.h (struct inline_remap): Add local_return_label.
1445 * integrate.c (expand_inline_function): Initialize it and emit
1446 it after copy_insn_notes.
1447 (copy_insn_list): Don't store local_return_label here.
1448 (copy_insn_notes): New function split out from copy_insn_list.
1450 2001-03-17 Richard Henderson <rth@redhat.com>
1452 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1453 is generating .debug_line.
1454 (dwarf2out_init): Add main_input_filename to the file table first.
1455 * configure.in (as_dwarf2_debug_line): Test with file number 1
1456 instead of file number 0.
1458 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1460 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1461 (gen_rtx_combine): Deleted; all references changed as appropriate.
1462 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1464 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1466 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1468 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1471 2001-03-16 Jim Wilson <wilson@redhat.com>
1473 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1474 then set it to LOC_REG (79) instead of aborting.
1476 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1478 * gccbug.in: Remove high priority.
1480 2001-03-16 Richard Henerson <rth@redhat.com>
1482 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1483 output with a space instead of deleting it.
1484 * configure: Regenerate.
1486 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1488 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1489 handles the gory details of converting an object file into
1490 something that's safe to grep.
1491 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1492 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1493 newlines at either end of the string we're looking for.
1494 Make 'checking ...' message less stilted.
1495 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1496 ARM in-memory layout and its hypothetical converse. Don't
1497 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1498 HOST_WORDS_BIG_ENDIAN.
1500 * configure.in: Adjust for renamed macro. Move
1501 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1502 * configure, config.in: Regenerate.
1504 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1506 * fixinc/Makefile.in: Set SHELL.
1508 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1510 * fixinc/fixincl.c (fix_with_system): Quote file names before
1511 passing them to shell.
1513 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1515 * Makefile.in: Use fix-header$(build_exeext) instead
1518 2001-03-16 Richard Henderson <rth@redhat.com>
1520 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1521 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1522 (size_of_line_prolog): Remove.
1523 (output_line_info): Compute prologue size via label difference.
1524 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1526 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1527 assembler error when redefining file numbers.
1528 * config.in, configure: Rebuild.
1530 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1531 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1532 (dw2_asm_output_delta_uleb128): Likewise.
1533 (dw2_asm_output_delta_sleb128): Similarly.
1534 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1536 2001-03-16 Michael Meissner <meissner@redhat.com>
1538 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1540 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1542 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1544 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1545 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1546 being unsigned in ISO C and signed in traditional.
1547 (expand_prologue): Ditto.
1548 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1550 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1552 (divsi3,divdi3): Ditto.
1553 (modsi3,moddi3): Ditto.
1554 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1555 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1556 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1559 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1561 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1562 SSE based conditional moves on LTGT/UNEQ conditions;
1563 Canonicalize EQ to NE.
1564 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1565 (sse_mov?fcc_ne): New.
1567 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1569 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1571 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1572 register may be dead.
1574 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1576 * Makefile.in (hash.o): Depend on CONFIG_H.
1578 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1580 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1582 2001-03-15 Richard Henderson <rth@redhat.com>
1584 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1585 (ASM_OUTPUT_DWARF_PCREL): New.
1586 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1588 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1590 * cppfiles.c (stack_include_file): Use MAX of sysp.
1592 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1594 * config.gcc (ia64*-*-hpux*): New case.
1595 * config/ia64/hpux.h: New file for HP-UX support.
1596 * config/ia64/t-hpux: New file for HP-UX support.
1598 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1600 * fixinc/inclhack.def (irix_stdio_va_list): New.
1601 * fixinc/fixincl.x: Rebuilt.
1603 2001-03-15 Richard Henderson <rth@redhat.com>
1605 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1606 if provided by the target.
1607 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1608 (dw2_asm_output_addr): New.
1609 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1610 * dwarf2out.c (output_cfi): Use it for program addresses.
1611 (output_call_frame_info, output_die): Likewise.
1612 (output_aranges, output_line_info): Likewise.
1614 2001-03-15 Bruce Korb <bkorb@gnu.org>
1616 * gcc.c(main): make more rigorous
1617 * collect2.c(main): guard against ignoring SIGCHLD
1618 * protoize.c(main): ditto
1619 * gcc/fixinc/fixincl.c(initialize): ditto
1621 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1623 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1624 (sdbout_parms): Likewise.
1626 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1628 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1629 "widen" a destination that is already wider than a word. Also do
1630 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1632 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1634 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1636 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1638 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1640 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1642 * i960.h (i960_maxbitalignment,
1643 i960_last_maxbitalignment): Declare.
1644 * i960.c (i960_maxbitalignment,
1645 i960_last_maxbitalignment): Make global.
1646 (process_pragma): Delete.
1647 (i960_pr_align, i960_pr_noalign): Move from here ...
1648 * i960-c.c: ... to this new file.
1649 * t-960bare (i960-c.o): New rule.
1650 * t-vxworks960 (i960-c.o): Likewise.
1651 * config.gcc (i960-*-*): Define c_target_objs and
1654 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1656 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1657 without adding in rtx code and mode.
1659 * alias.c (init_alias_analysis): Don't use any rtx whose value
1660 varies as a known value.
1661 Delete a superfluous test.
1663 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1665 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1666 scheduling a stop bit.
1667 (ia64_emit_nops): Correctly handle ASMs.
1669 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1671 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1673 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1675 * cpp.texi: Update documentation for -include and -imacros.
1676 * cppfiles.c (struct include_file): Remove "defined" memeber.
1677 (find_or_create_entry): Make a copy of the file name, and
1679 (open_file): Update to ensure we use the simplified filename.
1680 (stack_include_file): Don't set search_from.
1681 (cpp_included): Don't simplify the path name here.
1682 (find_include_file): New prototype. Call search_from to
1683 get the start of the "" include chain. Don't simplify the
1685 (_cpp_execute_include): New prototype. Move diagnostics to
1686 do_include_common. Update.
1687 (_cpp_pop_file_buffer): Don't set defined.
1688 (search_from): New prototype. Use the preprocessor's cwd
1689 for files included from the command line.
1690 (read_name_map): Don't simplify the pathname here.
1691 * cpphash.h (enum include_type): New.
1692 (struct buffer): Delete search from. New search_cached.
1693 (_cpp_execute_include): Update prototype.
1694 * cppinit.c (do_includes): Use _cpp_execute_include.
1695 * cpplib.c (do_include_common): New function.
1696 (do_include, do_include_next, do_import): Use it.
1698 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1700 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1701 contents of the RTL, to determine the name of the object.
1703 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1705 * tree.h (DECL_RTL): Allocate RTL lazily.
1706 (SET_DECL_RTL): New macro.
1707 (DECL_RTL_SET_P): Likewise.
1708 (COPY_DECL_RTL): Likewise.
1709 (DECL_RTL_IF_SET): Likewise.
1710 * varasm.c (make_decl_rtl): Add assertions about the kind of
1711 declaration we are processing.
1712 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1713 (start_decl): Likewise.
1714 (finish_decl): Likewise.
1715 * c-semantics.c (emit_local_var): Likewise.
1716 * calls.c (expand_call): Likewise.
1717 * dbxout.c (dbxout_symbol): Likewise.
1718 * emit-rtl.c (unshare_all_rtl): Likewise.
1719 (unshare_all_decls): Likewise.
1720 (reset_used_decls): Likewise.
1721 * expr.c (store_constructor): Likewise.
1722 (safe_from_p): Likewise.
1723 (expand_expr): Likewise.
1724 * function.c (put_var_into_stack): Likewise.
1725 (instantiate_decls_1): Likewise.
1726 (assign_parms): Likewise.
1727 (expand_function_start): Likewise.
1728 (expand_function_end): Likewise.
1729 * ggc-common.c (gcc_mark_trees): Likewise.
1730 * integrate.c (function_cannot_inline_p): Likewise.
1731 (copy_decl_for_inlining): Likewise.
1732 (expand_inline_function): Likewise.
1733 (integrate_parm_decls): Likewise.
1734 (integrate_decl_tree): Likewise.
1735 * print-tree.c (print_node): Likewise.
1736 * reg-stack.c (stack_result): Likewise.
1737 * stmt.c (label_rtx): Likewise.
1738 (expand_return): Likewise.
1739 (expand_decl): Likewise.
1740 (expand_decl_cleanup): Likewise.
1741 (expand_anon_union_decl): Likewise.
1742 * toplev.c (check_global_declarations): Likewise.
1743 (rest_of_decl_compilation): Likewise.
1744 * tree.c (simple_cst_equal): Likewise.
1745 * objc/objc-act.c (generate_static_references): Likewise.
1747 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1749 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1750 gcc_AC_C_FLOAT_FORMAT): New macros.
1751 * configure.in: Add AC_PROG_CPP after CC tests;
1752 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1753 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1754 * configure, config.in: Regenerate.
1756 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1757 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1758 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1759 config/i370/xm-linux.h, config/i370/xm-oe.h,
1760 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1761 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1762 config/pa/xm-linux.h, config/pa/xm-pa.h,
1763 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1764 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1765 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1766 config/we32k/xm-we32k.h: Delete.
1768 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1769 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1770 config/vax/xm-vms.h: Don't define any of:
1771 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1773 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1775 * config.gcc: Remove references to deleted files.
1776 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1777 FATAL_EXIT_CODE, which is the same between oe and mvs).
1779 2001-03-14 DJ Delorie <dj@redhat.com>
1780 Vladimir Makarov <vmakarov@redhat.com>
1782 * config/i960/i960.c (i960_function_prologue): Compute size of
1783 frame according to number of registers actually saved there.
1785 2001-03-14 Richard Henderson <rth@redhat.com>
1787 * expr.c (emit_move_insn_1): Fix else if around #endif.
1789 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1792 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1795 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1797 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1798 (override_options): Parse cmodel string.
1799 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1800 * i386.h (TARGET_OPTIONS): Add "cmodel".
1801 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1803 (ix86_cmodel_string, ix86_cmodel): Declare.
1805 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1808 * i386.h (GENERAL_REG_P): Add missing REG_P.
1810 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1812 * configure.in: Use $gcc_cv_as instead of $as.
1813 * configure: Regenerated.
1815 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1817 * cppfiles.c (stack_include_file): Only increase the include
1818 count if we actually process the file properly, as opposed
1819 to treating it as length zero. Only call read_include_file
1820 if not DO_NOT_REREAD. Handle the -H include file output
1822 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1823 (cpp_included, find_include_file): Simplify pathnames after
1824 remapping them. If remapping, don't use the remapped file
1825 name's buffer as our scratch buffer.
1826 (cpp_pop_file_buffer): Replace the multiple include macro
1827 only if it isn't yet set.
1828 (read_name_map): Simplify remapped names when reading in.
1829 (remap_filename): Move code to code path that uses it.
1830 (_cpp_simplify_pathname): Return the input pointer.
1831 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1833 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1835 * expr.c (expand_expr): Revove bogus conditional.
1837 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1839 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1841 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1843 * reg-stack.c (stack_result): Unconditionally use
1844 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1846 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1848 * expr.c (emit_move_insn_1): Split push of complex value when
1849 no suitable push instruction exist.
1851 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1852 instead of QI_REG_P.
1854 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1856 * alias.c (handled_component_p, can_address_p): New functions.
1857 (get_alias_set): Use them.
1859 2001-03-13 Jim Wilson <wilson@redhat.com>
1861 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1862 from 80 in try_locals code.
1863 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1865 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1867 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1868 gcc_AC_C_LONG_LONG): New.
1869 * configure.in: Use them. Probe the size of short, int, long,
1870 and long long/__int64 if we have them. Move all the AC_C_*
1871 checks together, except gcc_AC_C_CHAR_BIT which has to go
1872 after AC_CHECK_HEADERS(limits.h).
1873 Take hwint.h out of host_xm_file and build_xm_file.
1875 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1876 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1877 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1878 Move the HOST_WIDEST_INT setup logic here from system.h.
1879 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1881 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1882 is now handled by hwint.h.
1884 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1885 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1886 config/ia64/xm-ia64.h: Don't define any of:
1887 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1888 HOST_BITS_PER_LONGLONG.
1890 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1891 config/h8300/xm-h8300.h, config/mips/iris6.h,
1892 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1893 config/sparc/xm-sp64.h: Delete.
1894 * config.gcc: Remove references to deleted files.
1896 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1897 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1898 * config/i370/xm-linux.h: Clarify floating-point situation in
1901 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1903 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1904 (find_include_file): Decide here which part of the include
1905 chain to start the search. Complain about an empty include
1906 chain in all cases apart from an abolsute file name.
1907 (_cpp_execute_include): Don't choose the search chain here.
1908 Don't call handle_missing_include in the case of an empty
1910 (_cpp_compare_file_date): Don't choose the search chain here.
1911 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1912 here from _cpp_execute_include. Behave like #include if
1913 we're in the main file.
1915 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1917 * system.h (malloc, realloc, calloc, strdup): Only poison these
1918 tokens when IN_GCC is defined.
1920 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1922 * i386.md (abs?f expander): Support SSE case.
1923 (abd?f_if): Add new "USE"; add splitters.
1925 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1927 * cpp.texi (poison): Explain the macro expansion exception.
1929 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1931 * expr.c (store_expr): Add dont_store_target. If temp is already in
1932 target before copying to reg, don't store it into target again.
1934 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1936 * cppinternals.texi: Update for file handling.
1938 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1940 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1941 2001-02-24 which broke building the Java library.
1942 * function.c (identify_blocks): Likewise.
1943 (all_blocks): Likewise.
1944 * integrate.c (integrate_decl_tree): Likewise.
1945 * print-tree.c (print_node): Likewise.
1946 * tree.h (BLOCK_NUMBER): Likewise.
1947 (struct tree_block): Likewise.
1949 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1951 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1952 __WCHAR_TYPE__ definition.
1953 (WCHAR_TYPE_SIZE): #undef before #define.
1955 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1957 * cppfiles.c: Update comments.
1958 (destroy_include_file_node): Rename destroy_node.
1959 (find_or_create_entry): New function.
1960 (open_file, _cpp_fake_include): Use it.
1961 (handle_missing_header): New function, broken out of
1962 _cpp_execute include. Don't segfault if there is no
1963 system or quoted path.
1964 (_cpp_execute_include): Use handle_missing_header.
1966 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1968 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1969 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1971 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1973 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1974 unless anti_dependence says they are.
1975 * alias.c (objects_must_conflict): If neither has a type specified,
1978 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1979 David Billinghurst <David.Billinghurst@riotinto.com>
1981 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1983 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1985 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1986 (*_one_bit): Remove type on the match_operand in attributes.
1988 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1990 * i386.c: Commit forgotten hunk in previous patch.
1991 (regclass_map): Add extended registers.
1992 (dbx_register_map): Add missing frame register.
1994 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1996 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1998 * i386.md (x86_sahf_1): Disable for 64bit.
1999 (popsi*, pophi*): Likewise.
2000 (pushqi, pushhi): Likewise.
2001 (movdi, pushdi): Likewise.
2002 (zero extend DImode splitter): Likewise.
2003 (adddi, minusdi splitter): Likewise.
2004 (umulsidi): Likewise.
2006 (mulsidi): Disable for 64bit
2007 (lshift:DI/ashift:DI): Disable for 64bit.
2008 (loop patterns): Likewise.
2009 (call_pop, call_value_pop expanders and patterns): Likewise.
2010 (prologue_get_pc): Likewise.
2012 (fcmovDI pattern and splitter): Likewise.
2013 (movdfcc_1_rex64): New.
2015 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2017 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2018 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2019 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2020 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2021 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2022 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2023 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2024 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2025 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2026 (REGPARM_MAX): Set to 6 for x86_64.
2027 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2028 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2031 * (patterns that does use upper halves): Update constraints
2032 'q' to 'Q' and 'r' to 'R'.
2033 (cmpqi_ext_1): Disable for 64bit.
2034 (cmpqi_ext_3_insn): Likewise.
2035 (movqi_extzv_1): Likewsie.
2036 (addqi_ext_1): Liekwsie
2037 (testqi_ext_1): Liekwsie
2038 (andqi_ext_1): Liekwsie
2039 (xorqi_ext_1): Liekwsie
2040 (cmpqi_ext_1_rex64): New.
2041 (cmpqi_ext_3_insn_rex64): Likewise.
2042 (movqi_extzv_1_rex64): Likewsie.
2043 (addqi_ext_1_rex64): Liekwsie
2044 (testqi_ext_1_rex64): Liekwsie
2045 (andqi_ext_1_rex64): Liekwsie
2046 (xorqi_ext_1_rex64): Liekwsie
2048 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2050 * configure.in: Move check for unsigned enumerated bitfields
2051 to macro in aclocal.m4. Disable it for now.
2052 * configure, config.in: Regenerate.
2053 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2054 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2055 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2056 kind above its first use.
2058 * config/xm-interix.h, config/alpha/xm-alpha.h,
2059 config/i370/xm-linux.h, config/i386/xm-beos.h,
2060 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2061 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2062 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2063 Don't define ONLY_INT_FIELDS under any circumstances.
2065 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2067 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2068 config/sparc/xm-sysv4.h: Delete - now identical with some
2070 * config.gcc (hppa targets): Replace xm-pahpux.h and
2071 xm-papro.h with implicit xm-pa.h.
2072 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2075 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2077 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2078 before reload_cse_noop_set_p.
2080 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2082 * config.gcc: Where xm-host.h used to include another
2083 xm-host.h, list the nested header directly in xm_file. Remove
2084 references to deleted files. Can now use sparc/xm-sp64.h for
2087 * config/xm-linux.h, config/arm/xm-linux.h,
2088 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2089 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2090 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2091 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2092 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2095 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2096 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2097 bother to wrap #undef in #ifdef.
2098 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2099 Don't include xm-linux.h.
2100 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2102 * configure.in: Wrap regexps using [] in changequote block.
2103 Use expr : not echo | grep. Simplify regexps.
2104 * configure: Regenerate.
2106 56 xm-files remain, 22 xm-arch.
2108 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2110 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2111 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2112 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2113 (copy_object): Fix format specifier vs argument mismatch.
2115 * mips-tdump.c: Make local functions static.
2116 (rindex): Don't #undef.
2117 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2118 (fatal, fancy_abort): Delete.
2119 (read_seek): Avoid signed/unsigned compare.
2121 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2123 * combine.c (try_combine): Fix error in change to try original
2125 (gen_rtx_combine): Do same as gen_rtx for now.
2127 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2129 * configure.in: AC_SUBST xm_defines.
2130 * configure: Regenerate.
2131 * Makefile.in: Set DEFINES=$(xm_defines) when building
2134 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2136 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2137 (cpp_included, find_include_file): Update.
2138 (_cpp_compare_file_date): Make else unconditional.
2140 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2142 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2144 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2146 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2147 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2149 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2151 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2152 if it's a record type.
2154 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2156 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2157 mingw includes slightly.
2159 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2161 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2162 #undef token before poisoning it.
2164 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2166 * alpha.c (check_float_value): Use memcpy, not bcopy.
2168 * m32r.c (m32r_sched_reorder): Likewise.
2170 * vax.c (check_float_value): Likewise.
2172 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2174 * toplev.c (file_name_nondirectory): Remove.
2175 * toplev.h: Similarly.
2176 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2177 of file_name_nondirectory.
2179 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2181 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2182 * mips-tfile.c: Don't #undef rindex; not used.
2184 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2186 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2187 (dbx64_register_map): Declare.
2188 (RETURN_ADDR_RTX): Fix for 64bit.
2189 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2190 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2191 * i386.c (dbx64_register_map): New global array.
2192 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2193 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2196 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2198 * cppfiles.c (search_from): Use lbasename.
2199 * mkdeps.c (deps_add_default_target): Use lbasename.
2201 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2204 xcalloc in lieu of malloc, realloc & calloc.
2206 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2208 * gengenrtl.c (xmalloc): Likewise.
2210 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2211 really_call_* memory allocation routines.
2213 * stmt.c (check_for_full_enumeration_handling): Use
2214 really_call_calloc, not calloc.
2216 * system.h (really_call_malloc, really_call_calloc,
2217 really_call_realloc): Define.
2218 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2220 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2222 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2224 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2226 * configure: Rebuilt.
2227 * configure.in: Only use `lang_requires' for languages athat are
2230 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2232 * invoke.texi: Fix typo.
2233 * gcc.1: Regenerate.
2235 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2237 * configure.in: Prune nonexistent files from build_xm_file,
2238 xm_file, and host_xm_file lists. Warn unless they're
2240 Don't generate *config.h here.
2241 AC_SUBST all variables needed to generate *config.h.
2242 * configure: Regenerate.
2243 * mkconfig.sh: New helper script, from code removed from
2245 * Makefile.in: Zap all MALLOC variables - no longer used
2246 anywhere, and malloc.c doesn't exist.
2247 Substitute in variables needed to generate *config.h.
2248 Stop lying about the dependencies contained in CONFIG_H and
2250 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2251 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2252 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2253 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2254 $(TM_P_H), etc. as appropriate.
2256 * config.gcc: Zap references to deleted files.
2257 * ggc-none.c: Don't include rtl.h or tm_p.h.
2259 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2260 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2261 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2262 config/i386/xm-linux.h, config/i386/xm-linux.h,
2263 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2264 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2265 Don't include i386/xm-i386.h.
2267 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2268 config/i386/xm-i386.h, config/i860/xm-i860.h,
2269 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2270 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2271 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2272 Delete (empty except comments, #includes of other deleted
2273 files, and macros used nowhere).
2275 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2277 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2278 independent on TARGET_FLAGS.
2280 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2282 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2284 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2286 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2288 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2289 LAST_REX_SSE_REG): define.
2290 (enum reg_class): Add 'LEGACY_REGS'
2291 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2292 (SSE_REGNO_P): Recognize extended registers.
2293 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2294 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2295 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2296 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2297 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2298 REG_OK_FOR_STRREG_P): Remove.
2299 (HI_REGISTER_NAMES): Add extended registers.
2300 (ADDITIONAL_REGISTER_NAMES): Likewise.
2301 (QI_REGISTER_NAMES): Add 8bit extended registers.
2302 (DEBUG_REG): Support extended registers.
2303 * i386.c (regclass_map): Add extended registers.
2304 (dbx_register-map): Likewise.
2305 (svr4_dbx_register_map): Likewise.
2306 (print_reg): Support extended registers.
2307 (print_operand): Support 64bit operands.
2309 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2311 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2312 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2313 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2314 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2315 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2316 STACK_BOUNDARY): Set properly for 64bits.
2317 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2318 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2319 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2320 (MOVE_MAX): Set to 16.
2321 (MOVE_MAX_PIECES): 8 for 64bit.
2322 (Pmode): Set to SImode.
2324 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2326 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2328 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2330 * i386.h (mask_64bit): New constant.
2331 (target_64bit): New macro.
2332 (target_options): Add '64'/'32'
2333 (target_default): Define.
2334 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2335 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2336 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2338 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2340 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2342 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2344 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2345 LO_SUM unless for_alias is set.
2347 2001-03-08 Stan Shebs <shebs@apple.com>
2349 * objc/objc-act.c: Fix old typos in comments, add comments for
2351 (hash_init): Fix file name in error message.
2352 (hash_enter): Ditto.
2353 (hash_add_attr): Ditto.
2354 (continue_class): Ditto.
2356 2001-03-08 Bruce Korb <bkorb@gnu.org>
2358 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2359 wait4() can receive the signal.
2361 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2363 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2365 * fixinc/fixincl.x: Regenerate.
2367 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2369 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2371 * fixinc/fixincl.x: Regenerate.
2373 2001-03-08 Richard Henderson <rth@redhat.com>
2375 * configure.in (HAVE_AS_LEB128): New assembler check.
2376 * configure, config.in: Rebuilt.
2378 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2380 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2383 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2385 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2386 references to the MAXPATHLEN macro.
2388 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2389 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2392 * config/i386/xm-gnu.h, config/xm-gnu.h,
2393 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2394 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2395 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2396 and/or unused files.
2398 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2399 doing so in various xm-*.h files.
2401 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2403 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2405 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2407 * configure.in (enable_shared): Support per-package shared-library
2409 * configure: Rebuilt.
2411 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2413 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2414 for crnot. Set operands[5] in splitter.
2416 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2418 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2419 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2420 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2421 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2422 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2423 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2424 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2427 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2428 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2429 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2430 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2431 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2432 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2433 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2434 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2435 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2436 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2437 Delete unused and/or empty files.
2439 * config.gcc: Define USG in xm_defines as appropriate. Define
2440 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2441 macro. Remove deleted xm-* files from $xm_files variable.
2443 2001-03-07 Tom Tromey <tromey@redhat.com>
2445 * configure: Rebuilt.
2446 * configure.in: Allow config-lang.in to set `lang_requires' to list
2447 of other required languages.
2449 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2451 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2453 (output_prologue): Use xmalloc not oballoc.
2454 (output_epilog): Free a29k_first_epilogue_insn when finished.
2455 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2457 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2459 * builtins.c (expand_builtin_mathfn): Check
2460 flag_unsafe_math_optimizations, not flag_fast_math.
2461 (expand_builtin): Likewise
2462 * combine.c (combine_simplify_rtx): Likewise.
2463 (simplify_if_then_else): Likewise.
2464 * cse.c (fold_rtx): Likewise.
2465 * flags.h: Remove flag_fast_math. Add
2466 flag_unsafe_math_optimizations and flag_trapping_math.
2467 * fold-const.c (negate_expr): Check
2468 flag_unsafe_math_optimizations, not flag_fast_math.
2469 (invert_truthvalue): Likewise.
2470 (fold): Likewise. Before associating operands, check that
2471 code == MULT_EXPR, not code != MULT_EXPR.
2472 * ifcvt.c (noce_try_minmax): Check
2473 flag_unsafe_math_optimizations, not flag_fast_math.
2474 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2475 * invoke.texi: Document -funsafe-math-optimizations and
2476 -fno-trapping-math. Change documentation for -ffast-math.
2477 * jump.c (reversed_comparison_code_parts): Likewise.
2478 (rtx_equal_for_thread_p): Likewise.
2479 * optabs.c (emit_conditional_move): Likewise.
2480 * simplify-rtx.c (simplify_binary_operation): Likewise.
2481 (simplify_relational_operation): Likewise.
2482 (simplify_ternary_operation): Likewise.
2483 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2484 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2485 Add trapping-math and unsafe-math-optimizations entries to f_options.
2486 (set_fast_math_flags): New, sets flags for -ffast-math.
2487 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2488 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2489 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2491 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2492 (alpha_emit_conditional_move): Initialize local_fast_math to
2493 flag_unsafe_math_optimizations, not flat_fast_math.
2494 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2495 instead of setting flag_fast_math to 1.
2496 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2498 * config/i386/i386.c (override_options): Likewise
2499 * config/i386/i386.md: Likewise.
2500 * config/m68k/m68k.md: Likewise.
2501 * config/mips/mips.md: Likewise.
2502 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2503 (rs6000_generate_compare): Likewise.
2505 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2507 * Makefile.in: Set RANLIB to @RANLIB@.
2510 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2512 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2513 * fixinc/fixincl.x: Regenerated.
2515 2001-03-07 Richard Henderson <rth@redhat.com>
2517 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2519 2001-03-07 Richard Henderson <rth@redhat.com>
2521 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2522 of block notes and exception handling notes.
2524 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2525 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2526 (compile_file): ... here.
2528 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2530 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2532 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2533 config.h now. Include libiberty.h to handle alloca.
2535 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2537 * c-parse.in (yylexname): New function, split out of _yylex.
2538 (objc_rid_sans_at): New table.
2539 (init_reswords): Initialize it.
2540 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2541 retrieving the next token and checking it for significance as
2542 an ObjC keyword or string constant.
2544 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2545 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2547 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2550 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2552 * config/m68k/m68k.c (const_uint32_operand): Accept any
2553 const_int on a 32-bit host.
2555 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2557 * objc/objc-act.c (init_objc): Set save_lang_status,
2558 restore_lang_status, and mark_lang_status.
2560 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2562 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2564 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2566 * cppinternals.texi: Update.
2568 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2571 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2572 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2573 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2574 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2575 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2576 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2577 config/i386/xm-i386.h, config/i860/xm-i860.h,
2578 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2579 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2580 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2581 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2582 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2583 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2584 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2585 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2586 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2587 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2588 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2589 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2590 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2591 match the defaults provided in hwint.h.
2593 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2594 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2596 * config.gcc (xm_file): Don't set to files which are deleted.
2598 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2599 guard this file against these macros being undefined.
2601 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2603 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2604 and DECL_DEFER_OUTPUT on the decl we create, before calling
2605 rest_of_decl_compilation.
2607 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2609 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2611 * configure, config.in: Regenerate.
2612 * config.gcc: Remove references to deleted files.
2614 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2615 genrecog.c, rtl.c: Do not use alloca anywhere.
2617 * Makefile.in, build-make, system.h, config/x-interix,
2618 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2619 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2620 config/arc/xm-arc.h, config/arm/xm-arm.h,
2621 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2622 config/h8300/xm-h8300.h, config/i370/x-oe,
2623 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2624 config/i386/x-ncr3000, config/i386/x-sco5,
2625 config/i386/xm-dgux.h, config/i860/x-sysv4,
2626 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2627 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2628 config/m68k/x-hp320g, config/m69k/x-mot3300,
2629 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2630 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2631 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2632 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2633 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2634 config/mips/x-iris, config/mips/x-iris3,
2635 config/mips/x-sni-svr4, config/mips/x-sysv,
2636 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2637 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2638 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2639 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2640 config/pa/xm-papro.h, config/romp/xm-romp.h,
2641 config/rs6000/x-aix31, config/rs6000/x-aix41,
2642 config/rs6000/x-beos, config/rs6000/x-lynx,
2643 config/rs6000/x-mach, config/rs6000/x-rs6000,
2644 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2645 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2646 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2647 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2648 config/vax/xm-vms.h: Eradicate all references to alloca and
2651 * config/xm-alloca.h, config/clipper/x-clix,
2652 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2653 config/i860/x-sysv3, config/m88k/x-sysv3,
2654 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2655 (contained only alloca related hacks).
2657 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2660 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2662 * invoke.texi: Document __FAST_MATH__.
2664 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2666 * crtstuff.c: Restore include of auto-host.h.
2668 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2670 Put main() in a separate file, so that the language
2671 front-end can use a different main().
2674 * toplev.c: (main): Rename as toplev_main.
2675 * toplev.h: Declare toplev_main.
2676 * Makefile.in (OBJS): add toplev.o.
2677 (BACKEND): remove toplev.o, add main.o.
2679 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2681 * cppfiles.c (search_from): Special case the empty string.
2683 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2685 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2686 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2687 strlen or strcpy; we already know the length.
2688 (_cpp_compare_file_date): Similarly.
2689 * cpphash.h (struct cpp_reader): Delete done_initialising.
2690 (CPP_PREV_BUFFER): Delete.
2691 * cppinit.c (cpp_start_read): Don't set done_initialising.
2692 * cpplex.c (parse_string): Guarantee null-termination.
2693 (_cpp_equiv_toklists): Remove.
2694 * cpplib.c (glue_header_name): Null-terminate.
2695 (do_line): Don't leak memory.
2696 * cpplib.h (BT_WEAK): Delete.
2697 * cppmain.c (cb_ident): Strings are now null-terminated.
2699 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2701 * gcc.c (convert_filename): Append executable suffix
2702 if NO_AUTO_EXE_SUFFIX is not defined.
2703 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2704 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2706 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2708 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2709 * c-parse.gperf, c-gperf.h: Delete.
2710 (c-gperf.h was accidently re-added to the CVS repo in the rev
2711 1.16 commit by tromey)
2713 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2716 macro arguments when looking for the '('.
2717 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2718 2 when really parsing arguments; 1 when looking for '('.
2719 Always restore the lexer position.
2721 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2723 * longlong.h (umul_ppmm): Don't use a multiline string.
2725 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2727 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2728 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2729 t_bool in declaration because pcc can't combine volatile with typedef
2732 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2734 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2735 until when it is really needed.
2736 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2737 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2738 * i386.md (float?i?f splitter): Don't force source operand to memory
2740 (sse_movdfcc): Fix constraint.
2741 (sse_movdfcc splitter): Handle properly the second alternative.
2743 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2745 * cpplex.c (parse_string): Unconditionally pedwarn.
2747 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2750 * cppexp.c (parse_number): Update.
2751 * cpplex.c (parse_string): Pedwarn if multiline string does not
2752 result from a system header's macro.
2753 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2754 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2755 for function-like macros too.
2756 * c-lex.c (lex_number): Update.
2758 2001-03-03 Richard Henderson <rth@redhat.com>
2760 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2762 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2764 * combine.c (try_combine): If split with mode-changed scratch
2765 register didn't work, try the original mode.
2767 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2769 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2770 * config/c4x/c4x.h: Likewise.
2771 * stor-layout.c (compute_record_mode): Likewise.
2772 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2774 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2776 * configure.in: Kill tm.h. Include the files in the $tm_file
2777 list in all three of config.h, hconfig.h, tconfig.h, after the
2778 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2779 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2780 * configure: Regenerate.
2781 * Makefile.in (clean): Don't delete tm.h.
2783 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2784 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2785 those are not defined, set SEC and FEC to 0 and 1.
2786 * gcc.texi: Update to match.
2788 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2789 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2790 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2791 Include tconfig.h, not tm.h.
2793 * config/xm-lynx.h, config/xm-std32.h,
2794 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2795 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2796 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2797 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2798 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2799 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2800 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2801 config/i386/xm-i386.h, config/i860/xm-i860.h,
2802 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2803 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2804 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2805 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2806 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2807 config/pa/xm-linux.h, config/pa/xm-pa.h,
2808 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2809 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2810 config/pj/xm-pj.h, config/romp/xm-romp.h,
2811 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2812 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2813 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2814 config/v850/xm-v850.h, config/vax/xm-vax.h,
2815 config/we32k/xm-we32k.h:
2817 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2819 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2820 config/i370/xm-oe.h: Don't include tm.h. Don't define
2822 * config/vax/xm-vms.h: Don't include tm.h.
2824 * config/xm-lynx.h, config/avr/xm-avr.h,
2825 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2826 Delete; made empty by above changes.
2827 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2828 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2829 Don't include config/xm-lynx.h or tm.h.
2831 * config/xm-gnu.h: Don't include fcntl.h.
2832 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2834 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2836 2001-03-02 Richard Henderson <rth@redhat.com>
2838 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2839 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2841 2001-03-02 Richard Henderson <rth@redhat.com>
2843 * Makefile.in (OBJS): Add dwarf2asm.o.
2844 * dwarf2asm.c, dwarf2asm.h: New files.
2845 * dwarf2out.c (*): Use them.
2846 (size_of_uleb128, size_of_sleb128): Remove.
2847 (output_uleb128, output_sleb128): Remove.
2848 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2849 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2850 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2851 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2852 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2853 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2854 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2855 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2856 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2857 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2858 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2859 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2860 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2861 (dwarf2out_frame_debug): Remove unused variables.
2862 (output_loc_operands): Don't abort on 8 byte constants if
2863 host integers are wide enough.
2864 (output_symbolic_ref): Remove.
2865 (size_of_die): Don't assume 4 byte host integers.
2866 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2868 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2869 something stupid with HOST_WIDE_INT to long truncation.
2870 [CONST_DOUBLE]: Likewise.
2872 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2873 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2874 * config/arm/unknown-elf.h: Likewise.
2875 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2876 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2877 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2878 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2879 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2880 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2881 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2882 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2883 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2884 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2885 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2886 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2888 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2890 * cselib.c (hash_rtx): Cast enums to unsigned int.
2892 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2894 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2895 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2897 * c-format.c (C_STD_VER): Cast to int for comparisons.
2898 (check_function_format): Cast various enums to int for &.
2899 (maybe_read_dollar_number): Likewise.
2900 (check_format_info): Likewise.
2901 (check_format_info_main): Likewise.
2902 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2903 (safe_from_p): Likewise.
2904 * varasm.c (const_hash): Cast enum to int for %.
2905 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2906 pcc enum problems with < and ++ operators.
2907 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2908 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2909 (regclass_init): Change enum class to int to iterate over reg_classes.
2910 * genrecog.c (merge_trees): Cast enums for comparison.
2911 * rtl.h (GET_CODE): Cast to enum rtx_code.
2912 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2913 (GET_MODE): Cast to enum machine_mode.
2914 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2915 (GET_NOTE_INSN_NAME): Cast enum to int.
2916 * tree.h (TREE_CODE): Cast to enum tree_code.
2917 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2918 * timevar.c (timevar_print): Change loop variable id from enum to
2920 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2921 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2922 * toplev.c (compile_file): Cast enum DFI to int.
2923 (decode_d_option): Likewise.
2925 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2927 * cppinit.c (append_include_chain): Mark "after" include file name list
2928 as a system directory.
2929 * cpp.texi: Document new behavior.
2931 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2933 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2935 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2937 * cppfiles.c (struct include_file): Update.
2938 (stack_include_file): Use search_from.
2939 (cpp_included, find_include_file): Update.
2940 (cpp_execute_include): Update. ptr->name may not be
2941 null terminated. Use the new search_from member variable
2943 (_cpp_compare_file_date): Similarly.
2944 (search_from): New function, similiar to actual_directory.
2945 (actual_directory): Delete.
2946 (remap_filename): Update. loc->name may not be null terminated.
2947 (struct file_name_list): Rename search_path. Update.
2948 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2949 search_from and dir.
2950 (struct cpp_reader): Remove actual_dirs.
2951 * cppinit.c (struct cpp_pending): Update for renamed objects.
2952 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2953 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2954 * cpplib.h (struct cpp_options): Similarly.
2956 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2958 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2959 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2960 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2961 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2962 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2963 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2964 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2965 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2966 config/i370/xm-oe.h, config/i386/xm-aix.h,
2967 config/i386/xm-i386.h, config/i386/xm-osf.h,
2968 config/i860/xm-i860.h, config/i960/xm-i960.h,
2969 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2970 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2971 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2972 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2973 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2974 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2975 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2976 config/pj/xm-pj.h, config/romp/xm-romp.h,
2977 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2978 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2979 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2980 config/v850/xm-v850.h, config/vax/xm-vax.h,
2981 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2982 Do not define TRUE or FALSE.
2984 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2985 empty by above change.
2986 * config.gcc: Remove references to these files.
2988 * configure.in: Detect stdbool.h.
2989 * configure, config.in: Regenerate.
2990 * system.h: Include stddef.h here if available.
2991 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2992 Then set up a sensible boolean type at the very end.
2994 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2995 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2997 * hash.h: Delete 'boolean' typedef and related #undefs.
2999 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3000 all uses of 'boolean' with 'bool'.
3002 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3004 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3005 * cppexp.c (lex): Cast enums for comparison.
3006 * cppinit.c (parse_option): Cast enum for comparison.
3007 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3008 (cpp_output_token): Likewise.
3009 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3010 (cpp_avoid_paste): Cast enums for minus and comparison.
3012 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3014 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3015 field to all array elements.
3017 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3019 * cpphash.h (struct cpp_reader): Add print_version field.
3020 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3021 just set print_version and other flags as appropriate.
3022 (cpp_post_options): Print version here if print_version is set.
3024 * toplev.c (exit_after_options): New flag.
3025 (independent_decode_option): Don't exit here; just set
3027 (main): Exit after calling lang_hooks.post_options if
3028 exit_after_options is true.
3030 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3031 (merge_include_chains): Adjust comment to match code.
3033 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3035 * stringpool.c (set_identifier): New function.
3036 * tree.h: Prototype it.
3038 * c-parse.in: Kill D_YES. If compiled for objc, call
3039 save_and_forget_protocol_qualifiers from init_reswords.
3040 * objc/objc-act.c (remember_protocol_qualifiers,
3041 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3042 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3044 (save_and_forget_protocol_qualifiers): New function.
3045 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3047 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3049 * c-semantics.c (prune_unused_decls): Return error_mark_node
3050 instead of (tree) 1 to stop traversing the tree chain.
3052 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3054 Fix a problem introduced by Kenner's Feb 18 change.
3055 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3056 flag_cse_skip_blocks only temporarily, not for ever.
3058 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3060 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3061 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3063 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3064 before determining its register class.
3066 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3068 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3069 from reg 4 if current_function_calls_setjmp.
3070 (gen_nop_type): New function.
3071 (ia64_emit_nops): New function.
3072 (ia64_reorg): Call it.
3073 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3075 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3076 code not to try to optimize adds with anything but a REG destination.
3078 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3079 (INSN_PRIORITY_KNOWN): New accessor macro.
3080 * haifa-sched.c (priority): Use it instead of testing priority against
3083 2001-02-28 DJ Delorie <dj@redhat.com>
3085 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3086 since that doesn't work the way gcc wants on a generic m68k.
3088 2001-02-28 Richard Henderson <rth@redhat.com>
3090 * caller-save.c (save_call_clobbered_regs): Fix typo in
3091 comparison last change.
3093 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3095 * i386.c (pentium4_cost): New.
3096 (m_PENT4): New macro.
3097 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3098 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3099 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3100 x86_memory_mismatch_stall): Add Pentium4
3101 (x86_use_q_reg, x86_use_any_reg): Kill.
3102 (override_options): Add pentium4.
3103 (incdec_operand): Return 0 for pentium4.
3104 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3105 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3106 (TARGET_PENTIUM4): Define.
3107 (enum processor_type): Add PROCESSOR_PENTIUM4.
3108 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3109 * i386.md (attribute "cpu"): Add pentium4.
3110 * invoke.texi (march): Add pentium4.
3112 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3114 * i386.md (sse_mov?fcc*): New patterns and splitters.
3115 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3116 the SSE based conditional moves.
3118 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3120 * i386.md (attribute mode): Add "TI".
3121 (movsf_1): Add pxor support; remove constant propagation splitter.
3122 (movdf_integer): Likewise.
3123 (movdf_nointeger): Likewise.
3124 (movxf constant prop splitter): Handle all modes; update for SSE.
3125 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3126 * i386.c (standard_80387_constant_p): Rewrite.
3127 (standard_sse_constant_p): New.
3128 * i386-protos.h (standard_sse_constant_p): New.
3130 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3132 * i386.md (sse_setccsf, sse_setccdf): New.
3133 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3135 * i386.c (sse_comparison_operator): Accept the supported unordered
3136 comparses; be ready for fast_math.
3137 (print_operand): Support 'D'.
3139 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3141 * jump.c (reversed_comparison_code): Kill.
3143 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3145 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3148 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3150 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3151 add missing '%' in constraints.
3153 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3155 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3156 for HOST_BITS_PER_WIDE_INT == 32 too.
3158 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3160 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3162 (insert_save, insert_restore): New parameter save_mode.
3163 (init_caller_save): Update initialization of reg_save_code
3164 and reg_restore_code.
3165 (save_call_clobbered_regs): Compute save_modes and update calls to
3166 reg_save_code and reg_restore_code.
3167 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3168 of spill; update use of reg_restore_code.
3169 (insert_save): Likewise.
3170 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3171 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3172 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3174 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3176 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3177 noce_try_store_flag_inc, noce_try_store_flag_mask,
3178 noce_try_cmove_arith):
3179 Use reversed_comparison_code instead of reverse_comparison and
3180 can_reverse_comparison_p.
3182 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3184 * jump.c (reversed_comparison_code_parts): Allow reversal of
3185 unordered compares in -ffast-math mode; reverse ordered compares
3186 for FP even w/o -ffast-math.
3188 2001-02-27 Richard Henderson <rth@redhat.com>
3190 * print-rtl.c (print_rtx) [i]: Don't print field five on
3191 NOTEs other than NOTE_INSN_DELETED_LABEL.
3193 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3195 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3196 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3198 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3200 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3201 even if walk_subtrees is 0.
3202 * c-semantics.c (prune_unused_decls): Return a non-null value to
3203 stop traversing the tree chain.
3205 2001-02-27 DJ Delorie <dj@redhat.com>
3207 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3208 register, *then* define it as the new CFA.
3210 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3212 * pa.c (override_options): Promote -fpic to -fPIC.
3213 (legitimize_pic_address): Simplify due to removal of
3214 small PIC as a code generation option.
3215 (secondary_reload_class): Similarly.
3216 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3217 (PRINT_OPERAND_ADDRESS): Similarly.
3218 * pa.md (various patterns): Similarly.
3219 (small pic lo_sum pattern): Remove.
3221 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3224 * md.texi (min, max): Document
3226 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3228 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3229 TARGET_PARTIAL_REG_DEPENDENCY.
3230 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3232 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3234 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3236 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3238 * mips.c (mips_make_temp_file): Fix thinko in last change.
3240 2001-02-26 Jason Eckhardt <jle@redhat.com>
3242 * combine.c (known_cond): Do not reverse the condition when
3243 SMAX/UMAX is being considered and the condition is for equality
3246 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3248 2001-02-26 Philip Blundell <philb@gnu.org>
3250 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3252 * config/arm/linux-elf.h: Remove historical relics related to
3253 above configurations.
3254 * config/arm/linux-oldld.h: Delete.
3255 * config/arm/linux-elf26.h: Delete.
3257 2001-02-26 Jason Merrill <jason@redhat.com>
3259 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3261 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3262 recognize a tentative definition. Lose obsolete code.
3264 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3265 variables unless necessary, either.
3267 2001-02-25 Richard Henderson <rth@redhat.com>
3269 * ifcvt.c (struct noce_if_info): Add test_bb.
3270 (noce_get_alt_condition): New.
3271 (noce_try_minmax, noce_try_abs): New.
3272 (noce_operand_ok): New.
3273 (noce_process_if_block): Use them.
3274 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3276 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3278 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3281 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3283 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3284 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3286 (mips_asm_file_end): Free temp_filename here.
3288 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3290 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3291 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3293 * config/i386/i386.md (movstrsi): Handle FAIL case.
3295 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3297 * cppinit.c (builtin_array): Update.
3298 (init_builtins): Flag builtins to warn if redefined or
3299 undefined. Define __GXX_WEAK as a normal macro.
3300 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3301 * cpplib.h (NODE_WARN): New flag.
3302 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3303 Handle __STDC__ as a builtin only on Solaris.
3304 (warn_of_redefinition): Renamed from check_macro_definition.
3305 Reverse sense of test. Always warn if NODE_WARN.
3306 (_cpp_create_definition): Use warn_of_redefinition. Flag
3307 any macro beginning with "__STDC_" to require a mandatory
3308 warning if redefined or undefined.
3310 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3312 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3313 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3314 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3315 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3316 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3317 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3318 Don't define any of:
3319 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3320 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3321 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3322 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3323 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3325 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3326 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3329 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3330 Delete now-empty file.
3332 * alpha/vms.h: Define NEED_ATEXIT here...
3333 * alpha/xm-vms.h: ...not here.
3335 * i386/cygwin.h: Don't define PARAMS.
3336 * mips/mips.c: Don't prototype mktemp. Don't define
3337 P_tmpdir. Use make_temp_file to create temporary files.
3338 Don't be clever and delete temporary files early.
3339 * config.gcc: Drop references to deleted files. Don't define
3341 * gcc.texi: Don't mention USE_PROTOTYPES.
3343 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3345 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3346 (ix86_set_move_mem_attrs_1): Likewise.
3347 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3348 * config/i386/i386.md (movstrsi): Call it.
3350 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3352 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3353 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3354 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3355 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3357 (i750a-*-*): Error here if hosting on i750a.
3358 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3360 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3361 Remove (empty modulo comments).
3363 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3364 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3365 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3366 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3367 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3368 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3370 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3371 Remove reference to winnt.h in comment.
3372 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3374 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3376 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3377 used to set another biv.
3379 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3381 * tree.h (BLOCK_DEAD): New macro.
3382 (struct tree_block): New flag, dead_flag.
3383 * print-tree.c (print_node, case 'b'): Print missing fields.
3384 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3385 * function.c (identify_blocks): Enable test for misplaced notes.
3386 (all_blocks): Skip BLOCK_DEAD blocks.
3387 * integrate.c (integrate_decl_tree): Likewise.
3389 * errors.c (internal_error, trim_filename): New functions.
3390 (fancy_abort): Call internal_error.
3391 * errors.h (internal_error, trim_filename): New declarations.
3393 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3395 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3397 (EXTRA_CONSTRAINT): Formatting changes.
3399 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3401 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3403 2001-02-23 Per Bothner <per@bothner.com>
3405 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3406 so they can be called from java/jvspec.c.
3407 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3409 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3411 * i386.c (ix86_frame): New structure.
3412 (ix86_compute_frame_size): Kill.
3413 (ix86_compute_frame_layout): New.
3414 (ix86_save_reg): New.
3415 (ix86_can_use_return_insn_p): Use frame layout stuff.
3416 (ix86_expand_prologue): Likewise.
3417 (ix86_expand_epilogue): Likewise.
3418 (ix86_initial_elimination_offset): Likewise.
3419 (ix86_nsaved_regs): Use ix86_save_reg.
3420 (ix86_emit_save_regs): Likewise.
3422 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3424 * flow.c (find_sub_basic_blocks): New function.
3425 (split_block): Be ready for basic block introduced by CODE_LABEL.
3426 (commit_one_edge_insertion): Call find_sub_basic_block.
3428 * flow.c (make_edges): Add edge from entry for blocks starting with
3429 label having ALTERNATE_NAME
3431 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3433 * function.c (epilogue_done): Be ready for first basic block not
3434 containing PROLOGUE_END note.
3435 (reposition_prologue_and_epilogue_notes): Avoid placing
3436 PROLOGUE_END note between BASIC_BLOCK.
3438 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3440 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3442 2001-02-21 DJ Delorie <dj@redhat.com>
3444 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3445 check for current_function_has_nonlocal_goto from 1999-11-12.
3447 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3449 * diagnostic.c (trim_filename): No longer static.
3450 * toplev.h (trim_filename): Declare.
3451 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3452 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3453 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3454 (rtvec_check_failed_bounds): Likewise.
3455 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3457 * convert.c (convert_to_integer): Don't do unsigned unless result or
3458 both inputs are unsigned.
3460 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3463 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3465 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3467 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3469 * Makefile.in (resource.o): Add params.h dependence.
3470 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3471 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3472 * resource.c: Add dependence on params.h.
3473 (current_live_regs): Fix explanatory comment.
3474 (find_basic_block): Add new parameter to permit limiting search
3476 (mark_target_live_regs): Add new argument to find_basic_block call.
3477 (incr_ticks_for_insn): Likewise.
3479 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3481 * diagnostic.c (output_to_stream): Rename to
3482 output_buffer_to_stream. Loses the stream parameter.
3483 (init_output_buffer): Set diagnosic_buffer's stream.
3484 (flush_diagnostic_buffer): Adjust.
3485 (default_print_error_function): Likewise.
3486 (finish_diagnostic): Likewise.
3487 (verbatim): Likewise.
3489 * diagnostic.h (struct output_buffer): Add `stream' field.
3490 (output_buffer_attached_stream): New macro.
3492 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3494 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3495 check if either operand is divisible by C.
3496 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3497 If type is signed, consider negative numbers as well.
3499 2001-02-22 Richard Henderson <rth@redhat.com>
3501 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3502 reach .text instead of gp-relative relocs.
3503 * config/ia64/crtend.asm (.init): Likewise.
3505 2001-02-22 Andreas Jaeger <aj@suse.de>
3507 * extend.texi (C++ Attributes): Fix typo.
3509 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3511 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3512 functions, drop current_function_args_info.words test.
3513 (ia64_compute_frame_size): Mark syscall_linkage functions as
3514 using eight input registers.
3516 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3517 Bruce Korb <bkorb@gnu.org>
3519 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3520 * fixinc/README: Document how to convert sed substitutions
3521 to format style c_fix-es.
3522 * fixinc/fixincl.x: regen
3524 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3526 * gcc.c: Add comment explaining how to add a command-line option.
3527 Add title to specs language comment.
3529 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3531 * gcc.c (cc1_options): Add "-param".
3532 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3533 (option_map): Likewise.
3534 * toplev.c (display_help): Add entry for "--param".
3535 (independent_decode_option): Fix typographical error.
3537 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3538 Bernd Schmidt <bernds@redhat.com>
3539 Jan Hubicka <jh@suse.cz>
3541 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3542 (function_arg): Likewise.
3544 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3546 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3548 2001-02-21 Kazu Hirata <kazu@hxi.com>
3550 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3554 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3556 * flow.c (init_propagate_block_info): Canon address and use single_set
3557 for killing dead memory stores.
3559 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3561 * Makefile.in (reorg.o): Add params.h dependence.
3562 * params.def: Fix typographical error in comment.
3563 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3564 * params.h: Modify introductory comment.
3565 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3566 * reorg.c: Add dependence on params.h.
3567 (redundant_insn): Add parameterized throttle for search.
3568 (fill_simple_delay_slots): Add a comment explaining a variable.
3569 Move conditional out of loop, simplifying code.
3570 (fill_eager_delay_slots): Fix typographical error in comment.
3572 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3574 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3576 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3577 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3579 2001-02-21 Jason Merrill <jason@redhat.com>
3581 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3582 (struct tree_decl): Add uninlinable bitfield.
3583 * c-decl.c (duplicate_decls): Set it.
3584 * integrate.c (function_cannot_inline_p): Check it.
3586 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3587 DW_AT_MIPS_linkage_name to abstract methods.
3588 (dwarf2out_abstract_function): Emit class context before calling
3589 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3590 (gen_subprogram_die): Remove obsolete code.
3591 (gen_member_die): Don't include clones in the member list.
3592 (gen_decl_die): Emit abstract info for clone origin.
3593 * dwarfout.c (output_type): Don't include clones in the member list.
3594 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3595 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3596 DECL_ABSTRACT on a function that already has it set.
3598 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3599 (get_subprogram_die): Pass it in.
3601 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3603 * flow.c (mark_set_1): Make not_dead unsigned long. For
3604 non-pseudos, use it as a bitmask of the hard regs that
3607 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3609 * cppfiles.c: Update comments.
3610 (_cpp_read_file): Don't check for NULL filenames any more.
3611 * cppinit.c (cpp_start_read): Don't do canonicalization of
3612 in_fname and out_fname. Use the passed file name exclusively.
3613 (_cpp_handle_options): Don't treat "-" as a command line option,
3614 but as a normal filename.
3615 (_cpp_post_options): Canonicalize in_fname and out_fname.
3616 * cppmain.c (printer_init): Don't check out_fname for NULL.
3617 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3618 (init_c_lex): Update, and use "" to represent stdin to CPP.
3621 2001-02-20 Will Cohen <wcohen@redhat.com>
3623 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3624 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3625 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3628 2001-02-20 Stan Shebs <shebs@apple.com>
3630 * config/rs6000/rs6000.c (output_cbranch): Output branches
3631 on separate lines instead of using ';' to separate.
3633 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3635 * cppinit.c (set_lang): Move builtin handling to...
3636 (init_builtins): ...here.
3637 (_cpp_create_reader): Move call to set_lang.
3639 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3641 * stmt.c (expand_return): If an attempt is made to return the
3642 error_mar_node, treat the return like a return without a value.
3644 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3646 * sibcall.c (skip_copy_to_return_value): Call
3647 identify_call_return_value here, and return orig_insn if it
3648 returns zero. Hardret and softret arguments now unnecessary.
3649 (call_ends_block_p): Don't call identify_call_return_value here.
3651 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3653 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3654 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3656 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3658 * pa.c (move_operand): Accept code to load the address of a
3659 symbol out of the DLT as a valid move operand.
3660 (print_operand, case 'A'): New to handle generating a DLT
3661 reference for a LO_SUM expression.
3662 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3663 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3665 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3667 * README, cpp.texi, gcc.texi, version.c: Update version number to
3669 * cpp.1, gcov.1, gcc.1: Regenerate.
3671 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3673 * cppfiles.c (stack_include_file): Generate dependencies
3674 here, and manage include_count here too.
3675 (PRINT_THIS_DEP): Delete.
3676 (_cpp_execute_include): Do not generate dependencies here,
3677 apart from the case of a missing header. Do not manage
3679 (_cpp_read_file): Leave dependency generation to
3682 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3684 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3685 target_cpu_default. Remove dead assignment to
3688 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3690 * regclass.c (contains_reg_of_mode): Make global.
3691 (init_reg_sets): Remove contains_reg_of_mode; take into account
3692 CLASS_MAX_NREGS when looking for the proper mode.
3693 (dump_regclass): Dump only classes considered for the pseudo.
3694 (regclass): Use contains_reg_of_mode.
3696 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3698 * gcc.c (do_spec_1): 'n' for printing notices.
3699 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3701 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3703 * reg-stack.c (next_flags_user): Use current_block->end
3704 (swap_rtx_condition): Look for next user if flags don't die;
3705 give up on CALL_INSNs; use current_block->end.
3707 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3709 * sibcall.c (call_ends_block_p): New function.
3710 (optimize_sibling_and_tail_recursive_call): Use it.
3712 2001-02-18 Kazu Hirata <kazu@hxi.com>
3714 * config/h8300/h8300.md: Update copyright.
3715 (andsi3): Do not output an extra newline character.
3717 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3719 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3720 FNDECL may be unused.
3722 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3723 follow jumps after first run.
3724 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3725 it doesn't change any jumps.
3727 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3729 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3730 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3731 (mostlyclean): Corresponding changes.
3732 * rtlanal.c (hard-reg-set.h): Include.
3733 (rtx_unstable_p): Do not treat the argument pointer specially
3734 if it is not a fixed register.
3735 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3737 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3739 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3740 against last real insn in basic block.
3741 Rework to avoid gotos.
3743 * Makefile.in (gcse.o): Now includes ggc.h.
3744 * gcse.c: Include ggc.h.
3745 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3746 (try_replace_reg): Remove warning of uninitialize variable.
3747 (process_insert_insn): Call invalid_insn_p to validate insn.
3748 * recog.c (insn_invalid_p): Now global.
3749 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3750 * recog.h (insn_invalid_p): New declaration.
3752 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3754 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3755 assignments from FP constants since 'Y' output code can't handle it.
3756 (eligible_for_sibcall_delay): Likewise.
3758 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3759 Call fancy_abort directly, passing args.
3760 (print_rtl_and_abort): Now a macro, like fancy_abort.
3762 * final.c (output_operand_lossage): Use internal_error, not error.
3764 2001-02-18 Shane Nay <shane@agendacomputing.com>
3766 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3767 structure shift insns.
3769 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3771 * invoke.texi (-fsquangle): Remove documentation.
3772 (-fname-mangling-version): Likewise.
3774 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3776 * optabs.c (expand_abs): Remove reference to
3777 HAVE_contitional_arithmetic.
3778 * combine.c (simplify_set): Likewise.
3780 2001-02-18 Richard Henderson <rth@redhat.com>
3782 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3785 2001-02-18 Richard Henderson <rth@redhat.com>
3787 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3789 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3791 * reload1.c (reload_cse_simplify_set): Fix typo.
3793 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3795 * diagnostic.c (_fatal_insn): Decrement errorcount.
3797 * invoke.texi (-I): Add note avoiding use for system header files.
3799 * rtl.h (add_clobbers): Remove duplicate declaration.
3800 * recog.h (added_clobbers_hard_reg_p): New declaration.
3801 * genemit.c (struct clobber_pat): New field has_hard_reg.
3802 (gen_insn): Record if added clobbers clobber hard reg.
3803 (gen_split): Avoid unused warning if number of operands is 0.
3804 (output_added_clobbers_hard_reg_p): New function.
3807 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3809 * pa.c (hppa_expand_prologue): Simplify code storing return
3810 pointer. For large (>=8k) frames with a post_store, adjust stack
3811 pointer by 8k-64 first rather than by 64. When testing with
3812 VAL_14_BITS_P, always use the actual value rather than the value
3813 negated. Add blockage to prevent scheduling of spills before
3814 stack frame has been created.
3815 (hppa_expand_epilogue): Simplify code loading return pointer.
3816 Allow a slightly larger range for merge_sp_adjust_with_load case.
3817 When testing with VAL_14_BITS_P, always use the actual value.
3819 * pa.c (pa_adjust_insn_length): Check that block move
3820 pattern is a set before looking at operands.
3822 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3824 * fold-const.c (fold_binary_op_with_conditional_arg): New
3825 function, split out from ...
3827 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3828 conditional arms that throw exceptions.
3830 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3833 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3835 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3836 define HAVE_DECL_* to 1 to mask potential backup declarations.
3837 * configure: Regenerated.
3839 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3841 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3843 2001-02-17 Richard Henderson <rth@redhat.com>
3845 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3846 when replacing a memory load with a register.
3848 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3849 Jan Hubicka <jh@suse.cz>
3851 * recog.c (validate_replace_src_1): New.
3852 (validate_replace_src_data): Likewise.
3853 (validate_replace_src): Use note_uses.
3854 * rtl.h (note_uses): Declare.
3855 * rtlanal.c (note_uses): New.
3857 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3859 * reg-stack.c (stack_def): Make field reg unsigned.
3860 (remove_regno_note): Unsignetize parameter.
3862 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3864 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3865 shladd_operand() call.
3867 2001-02-16 Bruce Korb <bkorb@gnu.org>
3868 Rodney Brown <RodneyBrown@mynd.com>
3870 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3871 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3872 machine restrictions
3873 * fixinc/fixincl.x: regen
3875 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3877 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3879 (hash_scan_insn): Clean up calls to hash_scan_set.
3880 (compute_kill_rd): REGNO now unsigned.
3881 (try_replace_reg): Rework to use simplify_replace_rtx.
3882 (cprop_jump, cprop_cc0_jump): Likewise.
3883 (cprop_insn): Call find_reg_equal_equiv_note.
3884 Reflect changes to cprop_jump and cprop_cc0_jump.
3886 * recog.c (validate_replace_src): Replace in operands of
3887 ZERO_EXTRACT in SET_DEST.
3889 * cse.c (new_label_ref): New variable.
3890 (insert): Set it instead of recorded_label_ref.
3891 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3892 CODE_LABEL for this function, and not already in REG_LABEL note.
3894 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3896 * resource.c (mark_referenced_resources): Fix typo in introductory
3898 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3901 2001-02-16 Jason Merrill <jason@redhat.com>
3903 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3905 (gen_subprogram_die): Don't abort on seeing a second definition if
3906 the previous one was abstract. Don't replace an abstract instance
3907 in the lookup table.
3909 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3910 gen_abstract_function.
3911 * dwarf2out.h: Declare it.
3912 * toplev.c (note_outlining_of_inline_function): New fn.
3913 * toplev.h: Declare it.
3914 * integrate.c (output_inline_function): Call it.
3915 * c-decl.c (duplicate_decls): Call it when redefining an extern
3916 inline. Don't inline the new defn.
3918 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3920 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3922 * .gdbinit: Rename to gdbinit.in.
3923 * gdbinit.in: New file,
3924 * configure.in: Generate .gdbinit from gdbinit.in.
3925 * configure: Regenerated.
3926 * Makefile.in (distclean): Always remove .gdbinit.
3928 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3930 * objc/objc-act.c (start_class): Register implemented_classes with
3933 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3935 * cppfiles.c (_cpp_make_system_header): Generate a file
3938 2001-02-15 Jim Meyering <meyering@lucent.com>
3940 * Makefile.in (install-common): Don't depend on installdirs here.
3941 Instead, make each of the lang.install-common targets (e.g.,
3942 c++.install-common in cp/Make-lang.in) depend on it.
3943 (install-driver): Depend on installdirs.
3945 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3949 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3952 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3954 * invoke.texi (--param): Document.
3956 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3958 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3960 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3962 * i386.md (extendsfdf2_2): Fix constraints.
3964 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3966 * i386.md (fop_df_3 splitter): Fix operand number.
3968 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3970 * invoke.texi (-mreg-alloc): Nuke.
3971 * i386.c (ix86_reg_alloc_order, regs_allocated,
3972 order_regs_for_local_alloc): Nuke.
3973 (override_options): Kill reg_alloc code.
3974 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3975 (REG_ALLOC_ORDER): SSE goes before I387.
3976 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3977 (ix86_reg_alloc_order): Likewise.
3978 * i386-protos.h (ix86_reg_alloc_order): Kill.
3980 2001-02-14 Richard Henderson <rth@redhat.com>
3982 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3984 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3986 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3988 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3990 * i386-protos.h (ix86_memory_move_cost): Move offline.
3991 * i386.c (ix86_register_move_cost): Compute properly cost of
3992 SSE, MMX and i387 instructions.
3993 (*_cost): Add costs of SSE/MMX moves.
3994 (ix86_memory_move_cost): Move offline from ....; Likewise.
3995 * i386.h (MEMORY_MOVE_COST): .... here;
3996 (struct processor costs): Add new fields to represent costs
3999 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4001 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4002 move_cost together with Matt Kraai's fix.
4004 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4006 * Makefile.in (OBJS): Add params.o.
4008 2001-02-14 Richard Henderson <rth@redhat.com>
4009 DJ Delorie <dj@redhat.com>
4011 * jump.c (jump_optimize_1): When we delete a conditional jump
4012 preceeding a non-conditional jump to effectively the same place,
4013 make sure that the combined jump skips any clobber insns between
4016 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4018 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4020 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4022 * Makefile.in (toplev.o): Depend on params.h.
4023 (intergate.o): Likewise.
4024 (params.o): New target.
4025 * flags.h (inline_max_insns): Remove.
4026 * integrate.c: Include params.h.
4027 Use MAX_INLINE_INSNS instead of inline_max_insns.
4028 * params.c: New file.
4029 * params.h: Likewise.
4030 * params.def: Likewise.
4031 * toplev.c: Include params.h.
4032 (lang_independent_params): New variable.
4033 (decode_f_option): Use the param machinery instead of setting
4035 (independent_decode_option): Handle "--param name=value".
4036 (main): Register language-independent parameters.
4038 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4040 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4042 2001-02-14 Richard Henderson <rth@redhat.com>
4044 * regclass.c (init_reg_sets_1): Revert last two changes.
4046 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4048 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4049 (variable_size): Call put_pending_size.
4050 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4051 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4052 sizes list, put newly created SAVE_EXPR there as well.
4054 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4056 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4057 (errata_find_address_regs): load_group has only 2 entries.
4058 (errata_emit_nops): Likewise. shladd is not problematic.
4059 Clear last_group if nop was emitted.
4060 (fixup_errata): load_group has only 2 entries.
4063 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4065 * c-lex.c (lex_number): Only warn traditionally for U suffix
4066 outside system macros.
4067 * cppexp.c (parse_number): Similarly.
4068 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4069 * cppmacro.c (struct cpp_macro): New member node.
4070 (parse_args): Only warn about missing rest args if not
4072 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4073 (cpp_sys_objmacro_p): New.
4074 (_cpp_create_definition): Store the node with the macro defn.
4075 Remember if the macro is defined in a system header.
4077 2001-02-13 DJ Delorie <dj@redhat.com>
4079 * configure.in (check_languages): determine languages to check
4080 * Makefile.in (check-c++): alias for check-g++
4081 (check-f77): alias for check-g77
4082 (CHECK_TARGETS): depend on configured languages
4084 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4086 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4087 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4088 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4089 (sqrtextendsfdf2): Disable for SSE2.
4091 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4093 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4094 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4095 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4096 (sqrtextendsfdf2): Disable for SSE2.
4098 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4100 * i386.md (movsfcc_1): Support integer cmove instruction.
4101 (movdfcc_1): Likewise; new splitter.
4103 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4105 * i386.c (output_fp_compare): Support SSE.
4106 (prepare_fp_compare_args): SSE comparisons always support memory.
4107 * i386.h (TARGET_CMOVE): SSE imply cmove.
4108 * i386.md (cmp?f2): Enable for SSE too.
4109 (cmpfp_i*): Support SSE.
4111 (cmpfp_i_sse_only): New.
4112 (s*, b* fp expanters): Enable for SSE too.
4113 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4116 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4118 * regclass.c (init_reg_sets_1): Silence warning.
4120 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4122 * i386.md (sqrt?f2): Change to expander.
4123 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4125 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4127 * rtlanal.c (find_reg_equal_equiv_note): New function.
4128 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4129 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4130 * rtl.h: Add declarations for above functions.
4132 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4134 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4136 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4137 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4138 * flow.c (mark_regs_live_at_end): Likewise.
4139 (calculate_global_regs_live): Likewise.
4140 * gcse.c (compute_hash_table): Likewise.
4141 (compute_kill_rd): Likewise.
4142 * resource.c (mark_target_live_regs): Likewise.
4143 * rtl.h (INVALID_REGNUM): New macro.
4145 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4147 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4149 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4151 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4154 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4156 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4158 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4159 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4160 (fop_sf_1_sse, fop_df_1_sse): New patterns
4161 (fop_*): Disable float_extend and float patterns for SSE compilation.
4162 * i386.c (output_387_binary_op): Support SSE.
4164 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4166 * i386.md (dummy_extendsfdf2): Support SSE2
4167 (extendsfdf2): Enable if 80387 or SSE2.
4168 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4169 and no MIX_I387_SSE2
4170 (extendsfdf2_1_sse_only): New pattern.
4171 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4173 (truncdfsf2_1): Support SSE.
4174 (truncdfsf2_2): Support SSE.
4175 (truncdfsf2_2_1_sse): New pattern.
4176 (fixtruncsfsi2): Always use SSE if available.
4177 (fix_truncsfsi_sse): New pattern.
4178 (fix_truncdfsi_sse): New pattern.
4179 (floatsis?f2): Support SSE.
4180 (floatsidf2_i387): New pattern.
4181 (floatsidf2_sse): Likewise.
4183 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4185 * configure.in: Use "have_gnat" variable, not "gnat".
4186 * configure: Regenerated.
4188 * config/sparc/sparc.c (function_value): Treat all non-record
4189 aggregate types like used to treat UNION_TYPE.
4191 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4193 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4194 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4196 (MASK_MIX_SSE_I387): New.
4197 (TARGET_SSE): SSE2 imply SSE.
4198 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4199 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4200 (enum reg_class): Add new classes.
4201 (REG_CLASS_NAMES): Likewise.
4202 (REG_CLASS_CONTENTS): Likewise.
4203 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4204 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4205 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4206 (CLASS_MAX_NREGS): Use new macros.
4207 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4208 * i386.md (pushsf, movsf): Support SSE.
4209 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4210 splitters to use ANY_FP_REGNO_P.
4211 (movdf_nointeger, movdf_integer): Likewise.
4213 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4215 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4216 (try_combine): Use it.
4218 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4220 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4221 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4222 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4223 (REGISTER_MOVE_COST): Likewise.
4224 * i386-protos.h (ix86_secondary_memory_needed,
4225 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4226 * i386.c (ix86_secondary_memory_needed,
4227 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4229 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4231 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4232 (HARD_REGNO_MODE_OK): Move offline to ....
4233 * i386.c (ix86_hard_regno_mode_ok) ... here;
4234 refuse all incorrect modes.
4235 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4237 2001-02-13 Richard Henderson <rth@redhat.com>
4239 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4240 entire operator; replicate that and match_dup the operands.
4241 (cmp_ccx_arith_op_set): Likewise.
4242 (cmp_cc_arith_op_not_set): Likewise.
4243 (cmp_ccx_arith_op_not_set): Likewise.
4245 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4247 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4249 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4251 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4252 (TARGET_NO_BITFIELD_WORD): New macro.
4253 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4254 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4256 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4258 * cselib.c: New file, from simplify-rtx.c.
4259 * simplify-rtx.c: Remove cselib parts.
4260 * Makefile.in: Add cselib.o.
4262 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4264 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4265 (setup_incoming_varargs): Remove warning.
4267 * config/rs6000/rs6000.c (validate_condition_mode): When
4268 flag_fast_math, allow floating-point conditionals to be reversed.
4269 (rs6000_generate_compare): When flag_fast_math, don't generate
4270 cror operations for FP conditionals.
4272 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4274 (ASM_SPEC): Likewise.
4275 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4276 (CC1_SPEC): Likewise.
4277 (LINK_TARGET_SPEC): Likewise.
4278 (CPP_ENDIAN_SPEC): Likewise.
4279 * Makefile.in (check-consistency): New target.
4281 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4283 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4284 "return type defaults" warning for functions with return type
4286 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4287 function declarations by default rather than only when pedantic.
4289 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4291 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4294 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4296 * extend.texi (Deprecated): Deprecate new initializer lists.
4298 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4300 * mkdeps.c (deps_add_default_target): Robustify. Add
4301 basename component only.
4302 * cpp.texi (-M): Describe how default target is generated.
4303 * invoke.texi (-M): Likewise.
4305 2001-02-12 Kazu Hirata <kazu@hxi.com>
4307 * toplev.c (push_float_handler): Remove.
4308 (pop_float_handler): Remove.
4309 * toplev.h: Remove prototypes for the above functions.
4311 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4313 * c-common.c (constant_fits_type_p): New function.
4314 (convert_and_check): Use it.
4316 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4318 * Makefile.in (GXX_ABI_FLAG): Don't define.
4319 * configure.in (--enable-new-gxx-abi): Remove option.
4320 * config.in: Regenerated.
4321 * configure: Likewise.
4323 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4325 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4327 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4328 regular basic block, and arrange for all edges into it to switch
4331 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4333 * Makefile.in (distclean): Do not remove .gdbinit.
4335 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4337 * Makefile.in (gcc.o): Fix typos.
4338 (protize.o): Likewise.
4339 (unprotoize.o): Likewise.
4341 2001-02-11 Richard Henderson <rth@redhat.com>
4343 * tree.c (build1): Check for null operand in last change.
4345 2001-02-11 Richard Henderson <rth@redhat.com>
4347 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4348 (fold): Don't assume a constant isn't foldable.
4349 * tree.c (build): Set TREE_CONSTANT for an expression with no
4350 side-effects and constant operands.
4353 2001-02-10 Richard Henderson <rth@redhat.com>
4355 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4357 2001-02-10 Anthony Green <green@redhat.com>
4359 * cpp.texi (Standard Predefined): Add documentation for
4362 * c-common.c (combine_strings): Improve warning message.
4364 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4366 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4368 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4370 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4372 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4375 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4377 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4380 2001-02-09 Nick Clifton <nickc@redhat.com>
4382 * config/arm/arm.md: Change output contraint on post inc
4383 load/store multiple patterns to be a read/write contraint.
4385 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4387 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4388 .o files when using the -M options.
4390 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4391 David Edelsohn <edelsohn@gnu.org>
4393 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4394 handle DImode constants. Use one TOC entry for SImode and smaller
4395 constants, aligned properly.
4397 2001-02-08 Jason Merrill <jason@redhat.com>
4399 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4400 about the SP adjustment for saving the static chain pointer.
4401 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4402 offset when setting a temporary CFA register.
4404 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4406 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4407 powerpc-*-chorusos* .
4408 * config/rs6000/chorus.h : New file.
4409 * config/i386/chorus.h : New file.
4410 * config/sparc/chorus.h : New file.
4411 * config/sparc/t-chorus-elf : New file.
4413 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4415 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4416 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4417 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4418 (__WCHAR_TYPE__): Correct macro name.
4420 2001-02-08 Richard Henderson <rth@redhat.com>
4422 * config/i386/i386.c (ix86_frame_pointer_required): New.
4423 (ix86_setup_frame_addresses): New.
4424 (struct machine_funciton): Add accesses_prev_frame.
4425 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4426 ix86_frame_pointer_required.
4427 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4428 (SETUP_FRAME_ADDRESSES): New.
4429 * config/i386/i386-protos.h: Update.
4430 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4431 from FRAME_POINTER_REQUIRED.
4432 * config/i386/svr3gas.h: Likewise.
4433 * config/i386/sysv3.h: Likewise.
4434 * config/i386/v3gas.h: Likewise.
4436 2001-02-08 Richard Henderson <rth@redhat.com>
4438 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4439 calculation of the number of integer registers required.
4440 (function_arg_record_value): Likewise.
4442 2001-02-08 Jason Merrill <jason@redhat.com>
4444 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4445 two. Print file and line with "confused" message.
4447 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4449 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4451 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4453 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4455 * final.c (cleanup_subreg_operands): The address of a MEM can
4458 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4461 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4463 * gcc.texi (Incompatibilities): Update documentation of
4464 preprocessing numbers.
4466 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4468 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4470 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4472 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4474 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4475 * gcc.c (struct compiler): Add cpp_spec field.
4476 (input_file_compiler): New variable.
4477 (do_spec_1): Allow a particular compiler to handle `%C'
4479 (main): Store the current compiler in input_file_compiler.
4480 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4482 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4484 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4485 * cppinit.c (cpp_create_reader): Initialize them.
4486 (append_include_chain): cxx_aware arg might be unused.
4487 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4488 keywords and give them their phase 7 meaning. Pedwarn about
4489 this unless '__bool_true_false_are_defined' is defined.
4491 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4493 * lcm.c (optimize_mode_switching): Emit mode_set before the
4494 JUMP_INSN of an abnormal edge.
4496 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4498 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4499 a scheduling barrier at the end.
4501 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4503 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4505 * config/sh/sh.md (reload_outsf): Removed.
4506 (movsf_ie): Introduce constraints for FPUL loads and stores.
4507 (reload_insf): Broaden the output constraint.
4509 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4511 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4512 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4514 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4516 * final.c: Revert my previous changes.
4517 * output.h: Make profile_label_no extern.
4518 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4519 for generating label.
4521 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4523 * config/i386/djgpp.h: Add comments about standard paths.
4524 (MD_EXEC_PREFIX): Undefine before defining.
4525 (MD_STARTFILE_PREFIX): New.
4527 2001-01-30 Bruce Korb <bkorb@gnu.org>
4529 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4530 (load_file): do not rely on load_file_data() to close file pointer
4531 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4532 fixinc/inclhack.def(irix_limits_const): add test_text
4534 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4536 * cppexp.c (parse_defined): Improve diagnostics for invalid
4539 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4541 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4543 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4545 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4546 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4547 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4548 (rs6000_output_symbol_ref): New function.
4549 (output_toc): Use VTABLE_NAME_P.
4551 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4553 * print-tree.c (print_node, case PARM_DECL):
4554 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4556 * stor-layout.c (reference_types_internal): New variable.
4557 (internal_reference_types): New function.
4558 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4559 * tree.h (internal_reference_types): New declaration.
4561 * cse.c (find_best_addr): Fix typo in computing cost.
4563 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4565 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4566 and this is the sum of a pointer and a constant, we know the result
4568 (num_sign_bit_copies, case PLUS): Likewise.
4569 * explow.c (convert_memory_address): Remove opposite SUBREG.
4570 * function.c (instantiate_new_reg): New function (from common code).
4571 (instantiate_virtual_regs_1): Call it.
4572 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4573 if pointers sign- or zero-extend.
4574 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4575 If pointers extend unsigned, use inside of SUBREG.
4576 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4578 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4580 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4581 subdir of gcc_gxx_include_dir.
4582 (gcc_gxx_target_include_dir): Remove.
4584 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4586 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4587 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4588 a high-level description.
4590 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4592 * final.c: Move the declaration of profile_label_no to ...
4593 * output.h: ... here.
4594 * function.c (expand_function_start): Call PROFILE_HOOK.
4595 * config/rs6000/aix.h: Define PROFILE_HOOK.
4596 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4597 * config/rs6000/rs6000.c (output_profile_hook): Define.
4598 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4599 output_profile_hook.
4600 tm.texi : Explain new macro PROFILE_HOOK.
4602 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4604 * extend.texi (Extended Asm): Do not say that semicolon is always
4605 a valid line-breaking character for GNU assemblers. Use
4606 newline-tab as the most commonly supported syntax. Use
4607 newline-tab rather than semicolon in multi-insn examples.
4609 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4611 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4613 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4614 David Edelsohn <edelsohn@gnu.org>
4616 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4617 code for AIX, even without flag_pic.
4619 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4621 * c-typeck.c (common_type): push and pop binding level around
4622 calling common_type on function parameters.
4624 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4626 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4628 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4630 * config/mips/mips.c (override_options): Fix typo in last change.
4631 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4632 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4634 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4636 * invoke.texi (-fdump-class-layout): Document.
4637 (-fdump-translation-unit): Use `=' as filename separator.
4639 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4641 * Makefile.in (s-mlib): Don't build multilibs if
4643 (DRIVER_DEFINES): Adjust accordingly.
4645 (protoize.o): Likewise.
4646 (unprotoize.o): Likewise.
4647 * configure.in: Recognize --enable-multilib.
4649 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4651 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4653 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4654 * configure.in: Remove --enable-libstdcxx_v3 support.
4655 * configure: Regenerated.
4657 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4659 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4660 Call abort instead of fatal.
4661 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4662 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4663 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4664 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4665 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4666 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4668 * diagnostic.h (set_internal_error_function): Renamed.
4669 * toplev.h (internal_error): Renamed from fatal.
4670 (pfatal_with_name): Deleted.
4671 (fatal_io_error): Now has printf-style arguments.
4672 * diagnostic.c (pfatal_with_name): Deleted.
4673 (fatal_io_error): Rework to have args in printf-style.
4674 (set_internal_error_function): Renamed from set_fatal_function.
4675 (internal_error): Renamed from fatal.
4676 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4677 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4678 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4679 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4680 * flow.c (verify_flow_info): Likewise.
4681 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4682 * config/mips/mips.c (save_restore_insns): Likewise.
4684 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4685 * flow.c (verify_flow_info): Likewise.
4686 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4687 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4688 (avr_normalize_condition): Likewise.
4689 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4690 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4691 (limit_reload_class, double_reg_to_memory): Likewise.
4692 (print_operand_address, emit_1600_code_shift): Likewise.
4693 (gen_tst_reg, gen_compare_reg): Likewise.
4694 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4695 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4697 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4699 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4700 * objc/objc-act.c (build_ivar_chain): Likewise.
4701 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4703 * graph.c (clean_graph_dump_file): Likewise.
4704 * profile.c (init_branch_prob): Likewise.
4705 * objc/objc-act.c (objc_init): Likewise.
4707 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4708 * config/avr/avr.c (avr_override_options): Likewise.
4709 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4710 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4711 * config/h8300/h8300.c (h8300_init_once): Likewise.
4712 * config/mips/mips.c (override_options): Likewise.
4713 * config/i386/i386.c (override_options): Likewise, rework.
4714 * config/m68k/m68k.c (override_options): Likewise.
4716 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4718 * config/mips/mips.c (print_operand): Likewise.
4719 * hash.c (hash_allocate): Don't check for failure returns from
4720 obstack functions that can't fail.
4721 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4722 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4723 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4724 (get_object_reference): Likewise.
4726 2001-02-04 Nick Clifton <nickc@redhat.com>
4728 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4729 StrongARM1110, 10TDMI, and 1020T.
4731 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4733 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4735 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4737 * config/sh/sh.md (movdf load split): Pass register number to
4738 FP_OR_XD_REGISTER_P.
4740 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4742 * cppinit.c (BC): New macro.
4743 (builtin_array): Add __GXX_WEAK__.
4744 * cpplib.h (builtin_type): Add BT_WEAK.
4745 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4746 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4747 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4749 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4751 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4753 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4755 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4756 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4758 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4760 * cpphash.h: Rename ALIGN _ALIGN.
4761 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4763 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4765 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4766 compilation environment.
4767 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4768 control over location of cygwin includes and libs.
4770 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4772 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4774 2001-02-02 lars brinkhoff <lars@nocrew.org>
4776 * md.texi (Standard Names): remove reference to spur.md.
4778 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4780 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4781 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4782 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4783 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4784 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4786 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4788 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4789 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4790 number before reload.
4791 (c4x_adjust_cost): Return zero before reload.
4792 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4793 split before reload.
4795 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4797 * c4x.c (c4x_hard_regno_rename_ok): New.
4798 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4799 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4801 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4803 * diagnostic.h: Add missing "extern" in all declarations.
4805 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4807 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4808 as for gcc_gxx_include_dir.
4810 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4812 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4814 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4816 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4817 label before alignment to be used as the braf base address.
4818 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4820 (casesi_jump_2): Require at least TARGET_SH2.
4822 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4823 truncation to 32-bit doubles on -m3e and -m4-single-only.
4825 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4827 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4828 the default when building a shared object.
4829 (init_spec): Use it.
4830 * testsuite/lib/g++.exp: Include the directory where libgcc
4831 is located to the LD_LIBRARY_PATH list.
4832 * invoke.texi (-shared-libgcc): Document the cases in which
4833 GCC defaults to using the shared libgcc.
4835 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4837 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4838 unsigned is wide enough.
4840 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4841 (si_to_float): Likewise.
4842 (float_to_si, float_to_usi): Use BITS_PER_SI.
4844 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4846 * dwarf2out.c: Added explanation of abbreviations.
4847 (def_cfa_1): Added comments listing DWARF2 instructions.
4848 (cfa_temp_reg): Removed in favor of cfa_temp.
4849 (cfa_temp_value): Removed in favor of cfa_temp.
4850 (cfa_temp): New global variable.
4851 (dwarf2out_frame_debug_expr): Added extensive introductory
4852 comments explaining the function's transformations. Revised to
4853 use cfa_temp. Added some rtx checking. Generalize IOR case.
4854 (dwarf2out_frame_debug): Revised to use cfa_temp.
4855 (output_aranges): Cast as "unsigned" to avoid warning.
4856 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4857 explain which instructions must be marked.
4859 2001-02-01 Richard Henderson <rth@redhat.com>
4861 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4864 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4866 * config/sh/crt1.asm (main_k): Modified so that start calls
4867 ___setup_argv_and_call_main.
4869 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4871 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4872 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4873 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4874 * cppmacro.c (builtin_macro): Set builtin flags here.
4875 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4876 (replace_args): Clarify intent.
4877 (cpp_get_token): Macro expansion tokens get the saved flags.
4879 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4882 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4884 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4887 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4889 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4890 returns Pmode pseudo, but we need ptr_mode.
4891 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4892 Remove bogus conversions; use HOST_WIDE_INT for size.
4893 Don't use TARGET if wrong mode.
4895 * config/i386/i386.c (ix86_compute_frame_size): Allow
4896 stack_alignment_needed to be non-default even if size is zero.
4898 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4900 * pa.c (hppa_init_pic_save): New function.
4901 * pa.h (hppa_init_pic_save): Declare.
4902 * pa.md (call, call_value, sibcall, sibcall_value): Use
4903 the above instead of duplicated code.
4905 * pa.c (hppa_encode_label): Correct size of alloca buffer
4906 so we don't overrun it. Correct leading `*' case.
4907 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4908 need to handle `*@'.
4909 (FUNCTION_NAME_P): Likewise.
4911 2001-01-31 Richard Henderson <rth@redhat.com>
4913 * config.gcc (alpha-osf5): Use float-i128.h.
4915 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4916 * config/float-i32.h: Likewise.
4917 * config/float-i64.h: Likewise.
4918 * config/float-sh.h: Likewise.
4919 * config/float-sparc.h: Likewise.
4921 2001-01-31 DJ Delorie <dj@redhat.com>
4923 * expmed.c (extract_bit_field): allow non-integral modes if we
4924 want to extract a whole register from itself.
4926 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4928 * c-typeck.c (set_init_index): If first is equal to last, assume as
4929 if it was not a range at all.
4931 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4933 * config/fp-bit.c: Include tm.h.
4934 (float_to_si): Don't assume SImode is 32-bits wide.
4935 (float_to_usi): Likewise.
4937 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4939 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4941 (typename): Call pending_xref_error after parsing typed_typespecs.
4942 * c-decl.c (lookup_tag): Give error immediately rather than
4943 leaving it pending if the tag of the wrong type is in the same
4945 (xref_tag): Don't pedwarn for forward declarations of enum types
4947 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4950 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4952 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4954 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4956 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4957 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4959 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cpphash.h (struct cpp_reader): New saved_flags.
4962 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4963 to avoid a paste after a pasted token.
4965 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4967 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4968 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4969 Wtype_MIN instead of LONG_MIN.
4971 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4973 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4975 * fixinc/fixincl.x: Regenerated.
4976 * fixinc/inclhack.def (irix_limits_const): New definition to
4977 convert "const" to "__const" in limits.h.
4979 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4981 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4983 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4985 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4986 when register dies in the insn.
4988 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4990 * diagnostic.c (fatal): Fix word wrap.
4992 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4994 * combine.c (try_combine): Fix SUBREG setting for
4995 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4997 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4999 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5002 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5004 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5006 * toplev.c (decode_W_option): Update warn_larger_than
5007 unconditionally for each processed switch.
5009 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5011 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5013 (hppa_expand_prologue): Delete code to save pic offset table register
5014 in the function prologue.
5015 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5016 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5017 table register at the beginning of the function after the prologue.
5019 2001-01-29 lars brinkhoff <lars@nocrew.org>
5021 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5023 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5024 Jeff Law <law@redhat.com>
5026 * pa.md (return): Revise comment for trivial return.
5027 (return_internal): Non-trivial return pattern for non-PIC code.
5028 (return_internal_pic): Non-trivial return pattern for PIC code.
5029 It uses the PIC register to ensure it is restored after
5031 (epilogue): Generate appropriate return for PIC and non-PIC code.
5033 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5035 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5037 2001-01-29 DJ Delorie <dj@redhat.com>
5039 * combine.c (if_then_else_cond): Pass the correct mode to
5040 operand_subword() for constants.
5042 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5044 * config/i386/cygwin.h: Add w32api to include search. Search different
5045 directories in a cross-build environment.
5047 2001-11-29 Tim Josling <tej@melbpc.org.au>
5049 * tree.h (TYPE_STUB_DECL): Add documentation.
5051 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5053 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5054 (sdbout_field_types): Likwise. Fix use of host_integerp.
5056 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5058 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5061 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5063 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5064 to use flag_gnu_linker.
5066 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5069 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5071 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5073 * tree.c, tree.h (build_parse_node): Remove; was identical to
5075 * c-lang.c (start_cdtor), objc/objc-act.c
5076 (build_module_descriptor): Use build_nt instead of
5079 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5081 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5082 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5083 not have any upper bits set.
5085 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5087 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5089 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5091 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5093 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5095 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5096 (integer_minus_one_node): Define.
5098 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5100 * Makefile.in (bootstrap2-lean): Fix typo.
5102 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5104 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5105 : Don't set fe_value.
5106 * cpplib.h (AVOID_LPASTE): New flag.
5107 (struct cpp_hashnode): Remove fe_value.
5108 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5109 * cppmacro.c (builtin_macro): Don't set flags here.
5110 (replace_args): Set AVOID_LPASTE flag on first token of an
5111 argument, and the token following it.
5112 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5113 macro expansion, and on the token following it. Do it for
5115 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5117 2001-01-27 Richard Henderson <rth@redhat.com>
5119 * config/alpha/t-ieee: Remove multilibbing.
5120 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5122 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5124 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5126 * Makefile.in: Remove all dependencies on defaults.h.
5127 * builtins.c: Don't include defaults.h.
5128 * c-common.c: Likewise.
5129 * c-decl.c: Likewise.
5130 * c-pragma.c: Likewise.
5131 * c-typeck.c: Likewise.
5132 * combine.c: Likewise.
5134 * frame-ia64.c: Likewise.
5135 * cppexp.c: Likewise.
5136 * crtstuff.c: Likewise.
5137 * dbxout.c: Likewise.
5138 * dwarf2out.c: Likewise.
5139 * dwarfout.c: Likewise.
5140 * emit-rtl.c: Likewise.
5141 * except.c: Likewise.
5143 * final.c: Likewise.
5144 * frame-dwarf2.c: Likewise.
5145 * libgcc2.c: Likewise.
5146 * optabs.c: Likewise.
5147 * profile.c: Likewise.
5148 * sdbout.c: Likewise.
5149 * toplev.c: Likewise.
5150 * tradcif.y: Likewise.
5152 * varasm.c: Likewise.
5154 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5156 * builtins.c (expand_builtin_fputs): Use size_one_node when
5157 transforming into fwrite.
5159 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5161 * extend.texi (Attribute Syntax): New section.
5163 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5165 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5166 they didn't need fixing.
5168 2001-01-27 Janis Johnson <janis@us.ibm.com>
5170 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5172 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5173 to remove macro definitions that are duplicated from elfos.h.
5175 2001-01-27 Richard Henderson <rth@redhat.com>
5177 * config/i386/sco5gas.h: Move ...
5178 * config/usegas.h: ... here.
5179 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5181 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5183 * c-typeck.c (struct constructor_stack): Add range_stack member.
5184 (really_start_incremental_init): Clear it.
5185 (push_init_level): Save constructor_range_stack and clear it if
5186 pushing explicit braces.
5187 (pop_init_level): abort if constructor_range_stack is non-zero at
5188 explicit closing brace. Restore saved constructor_range_stack if
5191 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5193 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5194 into register was forced into memory.
5196 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5198 * Makefile.in: Remove uses of + before $(MAKE).
5200 2001-01-26 Richard Henderson <rth@redhat.com>
5202 * stmt.c (cost_table): Remove.
5203 (COST_TABLE, cost_table_initialized): New.
5204 (estimate_case_costs): Use the later instead of the former.
5205 (balance_case_nodes): Likewise.
5207 2001-01-26 Richard Henderson <rth@redhat.com>
5209 * alias.c (objects_must_conflict_p): Read-only slots may not
5210 conflict despite having the same type.
5212 2001-01-27 Michael Hayes <mhayes@redhat.com>
5214 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5216 (check_ext_dependant_givs): Initialise u_start_val and
5218 (load_mems): Make last_max_reg unsigned.
5219 (try_swap_copy_prop): Use INSN_P and initialise set.
5221 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5223 * README.AVR : Removed.
5225 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5227 * pa-64.h (text_section): Remove declaration.
5229 * pa.md (return_internal): Remove mode on PIC register use.
5231 2001-01-25 lars brinkhoff <lars@nocrew.org>
5233 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5234 ASM_CLOSE_PAREN): fix typos.
5236 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5238 * acconfig.h: Define `const' to the empty string if neither
5239 __STDC__ nor __cplusplus is defined.
5240 * config.in: Regenerated.
5242 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5244 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5245 * collect2.c (main): Delete importf. Add ".obj" file extension.
5246 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5247 (aix_std_libs): Add additional AIX libraries to skip.
5248 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5249 * config/rs6000/aix51.h: New file.
5251 2001-01-25 Michael Hayes <mhayes@redhat.com>
5253 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5254 (loop_insn_emit_before): No longer static.
5255 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5256 (loop_givs_rescan, load_mems): Likewise.
5257 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5258 (maybe_eliminate_biv_1):
5259 (move_movables): Replace emit_call_insn_before with
5260 loop_call_insn_hoist.
5261 * loop.h (loop_insn_emit_before): Add.
5262 * unroll.c (copy_loop_body): Replace emit_insn_before with
5263 loop_insn_emit_before.
5265 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5267 * diagnostic.c (fatal): Request preprocessed source.
5269 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5271 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5272 olddecl has argument types and newdecl has none, use the argument
5275 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5277 * dwarf2out.c (prefix_of): New function. Determine longest common
5278 prefix of the two arguments. The units are whole path components.
5279 (output_file_names): When adding a new directory find the one entry
5280 with the longest common prefix already in the list. Artificially
5281 generate entry if there is none for this prefix.
5282 Fix test to check whether the zeroth directory entry is used.
5284 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5286 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5287 Changed all callers. Take it into account when deciding if a
5288 previously loaded value matches.
5290 2001-01-24 Richard Henderson <rth@redhat.com>
5292 * reload.c (find_reloads_subreg_address): Fail the substitution
5293 if the resulting address is insufficiently aligned.
5295 2001-01-24 DJ Delorie <dj@redhat.com>
5297 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5298 check the original operand's mode also.
5299 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5301 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5303 * c-parse.in (cast_expr): Move compound literals from here ...
5304 (primary): ... to here. Use standard terminology "compound
5305 literal" instead of "constructor expression".
5307 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5309 * gcc.1, cpp.1: Regenerate.
5311 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5313 * calls.c (emit_library_call_value_1): Memory slot for
5314 pass-by-reference argument should have the mode of the argument,
5315 not of the pointer to it.
5317 2001-01-24 Tom Tromey <tromey@redhat.com>
5319 * gcc.texi (G++ and GCC): Mention gcj manual.
5320 (Standards): Link to section of manual mentioning gcj/Java
5323 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5325 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5326 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5327 * tradcpp.c (main): Add -imacros or -include'd dependencies
5329 * cpp.texi (-M, -MM): Document -M -include behaviour.
5331 2001-01-24 Roger Collins <roger@ProProject.com>
5333 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5335 2001-01-24 Will Cohen <wcohen@redhat.com>
5337 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5338 whether registers are 32 bits or 64 bits in size.
5340 2001-01-24 Ben Elliston <bje@redhat.com>
5342 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5344 2001-01-24 Richard Henderson <rth@redhat.com>
5346 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5347 (builtin_longjmp): Use it instead of emit_indirect_jump.
5349 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5351 * bb-reorder.c (make_reorder_chain_1): Handle case where
5352 jump edge goes to the same block as the fallthru edge.
5354 2001-01-23 Jim Wilson <wilson@redhat.com>
5356 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5357 * frame.h (__ia64_personality_v1): Add prototype.
5358 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5359 prototype form. Add void * cast to first argument to personality
5361 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5362 (asctoe113): Likewise.
5363 * config/ia64/frame-ia64.c: Include eh-common.h.
5364 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5366 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5368 (itanium_split_issue): Add prototype.
5369 (gen_nop_type): Ifdef out.
5370 (find_best_packet): Initialize best_packet.
5371 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5373 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5374 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5375 (flushrs): Add explicit stop bit at end.
5376 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5379 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5381 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5383 * libgcc2.c (__terminate_func): Make variable static.
5384 (__terminate_set_func): New function to set __terminate_func.
5385 * libgcc2.h (__terminate_func_ptr): New typedef.
5386 (__terminate_set_func): New function.
5388 2001-01-23 Richard Henderson <rth@redhat.com>
5390 * flow.c (init_propagate_block_info): Don't consider unchanging
5391 memories for dead frame store elimination.
5393 2001-01-23 Richard Henderson <rth@redhat.com>
5395 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5396 * defaults.h: ... here.
5398 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5400 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5402 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5404 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5406 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5408 * rs6000.h (rs6000_return_addr): Move prototype from here...
5409 * rs6000-protos.h (rs6000_return_addr): ...to here.
5410 (rs6000_init_expanders): Delete prototype.
5412 2001-01-23 Nick Clifton <nickc@redhat.com>
5414 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5415 (Spec Files): Document %B and %j and %. and %v3 and %M and
5416 %{S*&T} spec switches.
5418 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5420 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5422 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5423 Neil Booth <neil@daikokuya.demon.co.uk>
5425 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5426 Have -Werror make pedantic warnings errors, like the
5429 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5431 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5433 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5435 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5436 * integrate.c (expand_inline_function): Initialize them.
5437 (subst_constants): If changing COMPARE so that both its arguments
5438 will be VOIDmode and the comparison mode will be lost, note
5439 compare_mode. Use the recorded compare_mode to optimize
5442 2001-01-23 Jason Merrill <jason@redhat.com>
5444 * dwarf2out.c (new_die): Use xcalloc.
5445 (output_die): Abort rather than emit a local reference to offset 0.
5447 2001-01-17 Andrew Haley <aph@redhat.com>
5449 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5450 of a saved register; return NULL instead.
5451 (copy_reg): Take a pointer to a source register rather than a
5453 (next_stack_level): Remember the address in the stack frame of all
5455 Use the saved register pointer array as the source of the CFA.
5456 (throw_helper): Rewrite. Unwind once rather than twice and keep
5457 track of saved registers as we go.
5459 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5461 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5462 * c4x.c (c4x_legitimize_reload_address): Remove.
5463 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5464 reload address for ldp(k) insn.
5466 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5468 * pa.md (return_internal): Add a USE of the PIC register to ensure
5469 it is restored after each call.
5470 (return expander): Corresponding changes.
5472 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5474 * rs6000.h (INIT_EXPANDERS): Delete.
5475 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5476 * rs6000.c (rs6000_override_options): Call *_machine_status from
5478 (rs6000_init_expanders): ...instead of here. Delete.
5479 (rs6000_mark_machine_status): New function.
5480 (rs6000_init_machine_status): Use xcalloc.
5481 (rs6000_return_addr): Generate RTX for the return address.
5482 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5483 (rs6000_stack_info): Use it.
5485 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5487 * gthr-win32.h: Include errno.h to get a declaration for
5488 EINVAL and _mingw.h if the target is mingw32.
5490 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5492 * cpp.texi: Correct typos.
5494 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5496 * explow.c (probe_stack_range): Ensure value passed to
5497 stack_check_libfunc is ptr_mode, not Pmode.
5499 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5501 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5502 case, don't use operand_subword to calculate a SUBREG that is
5505 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5507 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5509 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5510 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5511 valid. If not replace it by equivalent insns.
5513 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5515 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5516 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5517 (c4x_U_constraint, symbolic_address_operand): Likewise.
5518 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5520 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5521 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5522 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5523 anulling slot because of silicon bug.
5524 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5526 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5528 * cppexp.c (parse_charconst): Change `mask' type to agree
5531 2001-01-21 Richard Henderson <rth@redhat.com>
5533 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5534 pic_label_name in a linkonce section.
5536 2001-01-17 Philipp Thomas <pthomas@suse.de>
5538 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5540 * configure: Regenerate.
5542 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5544 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5545 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5547 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5549 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5550 If REVERSE nonzero then condition code in X must be reversed.
5551 (encode_section_info): Optimise if/else.
5552 (avr_function_value): Fix formatting.
5554 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5555 (difficult_branch): Likewise.
5556 (rvbranch): Likewise.
5557 (difficult_rvbranch): Likewise.
5559 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5561 * config/avr/libgcc.S: Fix comment.
5563 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5565 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5567 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5569 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5571 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5573 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5574 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5575 * configure, config.in: Regenerate.
5576 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5577 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5578 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5579 (doprint.o): New rule.
5581 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5583 * c-typeck.c (digest_init): Handle boolean types as scalars.
5585 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5587 * stmt.c (expand_return): Don't return anything if size is zero.
5588 Delete redundant assignment to BYTES.
5589 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5591 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5593 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5594 the same as the default library function names.
5595 * config/avr/avr.md: Document special characters after '%'.
5596 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5597 knowing which of the call-used registers are really clobbered.
5598 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5599 New. Both quotient and remainder from one libgcc.S call.
5600 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5601 clobber as few registers as possible.
5602 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5604 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5606 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5607 context of the top of the stack.
5609 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5611 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5612 (fixup_var_refs_insns): ...here.
5614 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5616 * function.c (fixup_var_refs_insns): Break up into
5617 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5618 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5619 [loop over hash table entries].
5620 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5621 fixup_var_refs_insns_with_hash, to match above changes.
5623 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5625 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5626 (libgcc.a): Likewise.
5627 (stmp-multilib): Likewise.
5628 (STAGE2_FLAGS_TO_PASS): Likewise.
5630 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5632 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5633 temporary if no_new_pseudos.
5635 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5637 * cppinternals.texi: Update.
5639 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5641 * arm.c (arm_init_builtins): Re-enable builtins.
5643 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5645 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5646 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5647 element to be null, and always expect an EXPR_LIST.
5648 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5649 * sched-deps.c (sched_analyze_1): Likewise.
5650 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5652 * regclass.c (max_set_parallel): New variable.
5653 (reg_scan): Take it into account in computation of max_parallel.
5654 (reg_scan_mark_refs, case SET): Compute it.
5656 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5658 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5659 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5661 2001-01-19 Jason Merrill <jason@redhat.com>
5663 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5664 for the abstract instance of an inline function.
5666 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5667 J"orn Rennecke <amylaar@redhat.com>
5669 * reload1.c (move2add_note_store): Treat all registers directly or
5670 indirectly derived from a base register as members of the same set
5672 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5673 of base register into account.
5675 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5677 * alias.c (find_base_value): Recognize TRUNCATE.
5678 (record_set): In PLUS case, invalidate if other summand is also a
5681 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5683 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5684 entry to be EXPR_LIST.
5685 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5686 be an EXPR_LIST (but not null, which other code doesn't allow).
5687 (note_stores): Properly handle PARALLEL in SET.
5688 Recursively call for top-level PARALLEL.
5689 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5690 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5692 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5694 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5696 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5697 not pfile->skipping (== 0).
5699 2001-01-17 Nick Clifton <nickc@redhat.com>
5701 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5704 2001-01-17 Jim Wilson <wilson@redhat.com>
5706 * invoke.texi (IA-64 options): Improve.
5708 2001-01-17 Tom Tromey <tromey@redhat.com>
5710 * invoke.texi (Optimize Options): Use `{}' to around @samp
5713 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5715 * invoke.texi (-fno-guess-branch-probability): New option.
5717 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5719 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5720 case of making new double-word constant.
5721 Revert last change: instead just test i3_subst_into_i2.
5723 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5725 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5726 Use q constraints instead of r.
5728 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5730 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5731 (machine_function): Define.
5732 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5733 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5734 pa_free_machine_status): New functions.
5735 (override_options): Set {init,mark,free}_machine_status to above.
5736 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5737 PIC_OFFSET_TABLE_REGNUM_SAVED.
5738 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5739 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5740 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5741 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5742 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5744 2001-01-15 DJ Delorie <dj@redhat.com>
5746 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5750 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5752 * flow.c (propagate_on_insn): Make trying to delete a prologue
5753 or epilogue insn an ICE, not a warning. Allow doing this if
5754 the current function returns with stack pointer depressed.
5756 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5757 I3 having more than one SET.
5759 2001-01-16 Jim Wilson <wilson@redhat.com>
5761 * invoke.texi: Document IA-64 options.
5763 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5764 (fixup_errata): Delete TARGET_A_STEP use.
5765 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5766 (TARGET_SWITCHES): Delete -ma-step option.
5767 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5768 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5769 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5770 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5771 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5772 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5774 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5775 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5776 cmovsi_internal): Delete ! TARGET_A_STEP check.
5778 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5780 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5781 possibility to report bugs via postal mail. Change a URL and
5782 merge in a nearly duplicate statement...
5783 (Bug Reporting): ...from here.
5784 (Service): Refer to the Bug Reporting section instead of
5786 (Contributing): Remove trivial explanations concerning snapshots.
5788 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5790 * cppmain.c (general_init): Don't use ANSI prototype.
5792 2001-01-16 Tom Tromey <tromey@redhat.com>
5794 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5796 2001-01-16 Richard Henderson <rth@redhat.com>
5798 * config/i386/i386.h: Fix comment typo.
5799 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5800 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5802 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5804 * gcc.c: Revert previous -fsyntax-only-related change; move
5807 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5809 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5810 inmode after checking GET_CODE (op).
5812 2001-01-16 Richard Henderson <rth@redhat.com>
5814 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5815 (MAX_MEM_SET_LIST_LEN): New.
5816 (propagate_one_insn): Update mem_set_list_len.
5817 (invalidate_mems_from_autoinc): Likewise.
5818 (invalidate_mems_from_set): Likewise.
5819 (mark_used_regs): Likewise.
5820 (init_propagate_block_info): Likewise. Stop collecting memories
5821 when we reach MAX_MEM_SET_LIST_LEN.
5822 (mark_set_1): Likewise.
5824 2001-01-16 Richard Henderson <rth@redhat.com>
5826 * unroll.c (precondition_loop_p): Fail if no iteration
5829 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5831 * gcc.c: When -fsyntax-only is given, do not complain about
5834 2001-01-15 Richard Henderson <rth@redhat.com>
5836 * config/i386/i386.c (asm_output_function_prefix): Remove.
5837 (ix86_asm_file_end): New.
5838 (load_pic_register): Generate pic_label_name into a
5839 staticly allocated buffer.
5840 * config/i386/i386-protos.h: Update.
5841 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5842 (ASM_FILE_END): New.
5843 * config/i386/i386afe.h: New file.
5844 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5845 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5846 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5847 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5848 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5849 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5850 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5852 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5854 * Makefile.in (install-man): Remove explicit dependency on
5857 * configure.in, configure: Revert previous patch requiring perl
5860 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5862 * toplev.c (flag_guess_branch_prob): New.
5863 (f_options): Add guess-branch-probability option.
5864 (rest_of_decl_compilation): Only estimate branch probability if
5866 (main): set flag_guess_branch_prob.
5868 * flags.h (flag_guess_branch_prob): New.
5870 2001-01-15 DJ Delorie <dj@redhat.com>
5872 * gcc.texi (Makefile): Add documentation for Makefile targets.
5874 2001-01-15 Philip Blundell <philb@gnu.org>
5876 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5878 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5879 (is_pic): Delete declaration.
5880 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5881 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5882 * config/arm/arm.md (builtin_setjmp_receiver): New.
5884 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5886 * arm.c (use_return_insn): Don't try to determine the function type
5887 until after reload has completed.
5888 (arm_output_epilogue): Don't adjust the sp value recovered from the
5890 (emit_multi_reg_push): Don't record dwarf information for the pc.
5891 * arm.md (eh_epilogue): The function type may have changed, so it
5892 needs to be recalculated.
5893 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5894 unwind tables on arm/netbsd.
5896 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5898 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5899 (negated_cbranchsi4): Likewise.
5901 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5903 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5904 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5905 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5906 pass -mapcs-* options to assembler.
5907 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5908 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5909 (ASM_SPEC): Call subtarget_extra_asm_spec.
5911 2001-01-15 Andreas Jaeger <aj@suse.de>
5913 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5915 (ix86_expand_builtin): Likewise.
5917 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5918 warning about comparison between signed and unsigned.
5920 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5922 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5924 2001-01-14 Ralf Baechle <ralf@gnu.org>
5926 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5927 SUBTARGET_CPP_SPEC apropriatly.
5929 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5931 * varasm.c (make_decl_rtl): Fix typo in last change.
5933 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5935 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5936 linker supports the init_priority C++ attribute.
5937 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5938 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5939 linker does not support init_priority C++ attribute.
5941 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5943 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5945 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5947 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5948 * cp/lex.c (finish_parse): Similarly.
5949 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5950 Return the number of errors encountered.
5951 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5952 * cppmain.c (main): Don't call cpp_destroy.
5954 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5956 * configure.in: Require at least perl 5.6.0 to regenerate
5958 * configure: Regenerate.
5960 2001-01-14 Richard Henderson <rth@redhat.com>
5962 * genrecog.c (DT_veclen_ge): New.
5963 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5964 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5965 (nodes_identical_1): Handle DT_veclen_ge.
5966 (write_cond, debug_decision_2): Likewise.
5968 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5970 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5972 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5974 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5976 * cppmain.c (do_preprocessing): New function; most of the old
5978 (main): Call it to do most of the work.
5979 (cb): Move from global scope to set_callbacks ().
5980 (setup_callbacks): Get the callback pointer.
5981 (general_init, printer_init): Clean up code and comments.
5983 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5985 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5988 2001-01-14 Kazu Hirata <kazu@hxi.com>
5990 * config/h8300/h8300.c (get_shift_alg): Update comments.
5992 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5995 (alloc_page, ggc_alloc): Add casts to remove warnings.
5997 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5999 * combine.c (simplify_comparison): Don't change `code' when
6000 can't reverse comparison.
6002 2001-01-14 Richard Henderson <rth@redhat.com>
6004 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6005 update all call sites. Return true for all non-label constants.
6007 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6009 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6011 (ix86_expand_branch): Update.
6012 (ix86_expand_setcc): Update to handle multiple test conditions.
6013 (expand_int_movcc): Likewise.
6014 (expand_fp_movcc): Likewise.
6015 * i386-protos.h (ix86_expand_compare): New.
6016 * i386.md (andqi_?_slp, orqi_?_slp): New.
6017 (conditional trap expander): Update call to ix86_expand_compare.
6019 2001-01-14 Richard Henderson <rth@redhat.com>
6021 * config/vax/vax.md: Use nonimmediate_operand instead of
6022 general_operand in destinations.
6024 * config/vax/vax.md (indirect_jump): Use register_operand.
6026 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6027 * config/vax/vax.md (call_pop): Turn into an expander.
6028 (call_value_pop): Likewise.
6029 (call, call_value): New.
6031 2001-01-14 Andreas Jaeger <aj@suse.de>
6033 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6035 (ix86_fp_compare_mode): Add unused attribute.
6036 (ix86_expand_fp_movcc): Remove unused variable.
6037 (ix86_expand_builtin): Make fcode unsigned.
6039 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6040 (expand_expr): Add cast to avoid signed warning.
6041 (store_field): Likewise.
6042 (store_constructor_field): Likewise.
6043 (store_constructor): Likewise.
6044 (store_expr): Likewise.
6045 (clear_storage): Likewise.
6046 (emit_group_store): Likewise.
6047 (emit_group_load): Likewise.
6049 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6051 * c-common.c: Move format checking code to ...
6052 * c-format.c: ... here. New file. Reorder some functions and
6054 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6056 * c-common.h (decl_handle_format_attribute,
6057 decl_handle_format_arg_attribute): Declare.
6058 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6059 (c-common.o): Adjust dependencies.
6060 (c-format.o): New list of dependencies.
6062 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6064 * unroll.c (loop_iterations): If we cannot prove iteration variable
6065 is set once in each iteration, punt.
6067 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6069 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6070 (*strlenhi): Remove clobber (which was buggy) of output address.
6072 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6074 * Makefile.in (generated-manpages): Add gcc.1
6075 ($(srcdir)/gcc.1): New target.
6076 (maintainer-clean): Delete $(srcdir)/gcc.1.
6077 * gcc.texi: Add macros @gccoptlist and @gol.
6078 * invoke.texi: Include option summary in manpage. Mark up option
6079 summary with @gccoptlist and @gol. Use @r in one place where
6081 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6082 * gcc.1: Generate from invoke.texi.
6084 2001-01-13 Richard Henderson <rth@redhat.com>
6086 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6087 (struct page_entry): Add group member.
6088 (struct page_group): New.
6089 (struct globals): Add page_groups member.
6090 (alloc_anon): Only define for using mmap; remove valloc call.
6091 (page_group_index): New.
6092 (set_page_group_in_use): New.
6093 (clear_page_group_in_use): New.
6094 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6095 (free_page, release_pages): Likewise.
6096 * configure.in (with-gc): Default to ggc-page always.
6098 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6100 * reload1.c (replace_pseudos_in_call_usage): Use
6101 reg_equiv_constant and reg_equiv_address, and don't try
6102 regno_reg_rtx first.
6104 2001-01-13 Richard Henderson <rth@redhat.com>
6106 * ggc-page.c (alloc_page): Round up allocation size to one page.
6107 Set e->order on extra pages.
6109 2001-01-13 Richard Henderson <rth@redhat.com>
6111 * genrecog.c (nodes_identical): Expand commentary.
6112 (write_switch): Watch out for identical nodes.
6114 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6116 * cppfiles.c (_cpp_fake_include): New function.
6117 * cpphash.h (_cpp_fake_include): New.
6118 * cpplib.c (do_line): Call _cpp_fake_include when entering
6119 header files in preprocessed input.
6120 * cppmain.c (cb_pragma_implementation): Remove handling.
6121 (setup_callbacks): Don't register pragmas.
6123 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6125 * extend.texi: Udate for CPP.
6127 2001-01-13 Andreas Jaeger <aj@suse.de>
6129 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6131 * regmove.c: Add prototype for replace_in_call_usage.
6133 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6135 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6136 struct cpp_chunk, struct htab, struct toklist,
6137 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6138 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6139 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6140 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6141 (struct macro_args): Delete.
6142 * cpphash.h: See above.
6144 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6146 * cppmain.c (struct printer): Remove no_line_dirs.
6148 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6149 : Use options rather than CPP_OPTION.
6150 (setup_callbacks): Use cb rather than pfile->cb.
6151 (main): No need to check for a buffer. Use cpp_errors.
6152 (printer_init): Don't set no_line_dirs.
6153 (maybe_print_line): Use options not no_line_dirs.
6154 (cb_file_change): Don't call print_line if -P.
6156 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6158 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6160 * c-parse.in (finish_parse): Use cpp_errors.
6161 (__yylex): Use return value of cpp_pop_buffer.
6162 * cp/lex.c (finish_parse): Use cpp_errors.
6163 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6165 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6167 * README.AVR: URLs corrected.
6169 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6171 * c-decl.c (start_function): Don't warn if old prototype is builtin
6172 that's not in C's namespace.
6173 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6174 (_bb): Add prototype for ctime.
6175 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6177 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6179 * i386.c (ix86_fp_comparison_arithmetics_cost,
6180 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6181 ix86_fp_comparison_cost): New functions.
6182 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6183 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6184 two-branch sequences; make static.
6185 (ix86_use_fcomi_compare): Do decision according to the costs.
6186 (split_fp_branch): New.
6187 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6188 * i386-protos.h (ix86_expand_fp_compare): Remove
6189 (ix86_split_fp_branch): Declare.
6191 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6192 and ix86_comparison_operator.
6194 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6197 * i386.c (put_condition_code): Output properly the unordered/ordered
6198 compares in fp case.
6199 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6201 * tm.texi (REVERSE_CONDITION): Document.
6202 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6203 in -ffast-math mode.
6204 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6206 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6208 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6210 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6213 * config/sh/sh.c (mova_p): Fix test for mova_const.
6215 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6217 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6218 cpp_get_options rather than dereferencing pfile and using
6220 * scan-decls.c (scan_decls): Use return value of
6221 cpp_pop_buffer rather than CPP_BUFFER.
6223 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6225 * cppinit.c (cpp_handle_option): help_only is now part of the
6226 cpp_options structure.
6227 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6228 cpp_set_callbacks): New functions.
6229 * cpplib.h (cpp_callbacks): Break out as a named structure.
6230 (cpp_options): Move help_only here from cpp_reader.
6231 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6232 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6233 cpp_set_callbacks): New prototypes.
6234 * cppmain.c (main): Update for help_only.
6236 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6238 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6239 Also build and remove and install and uninstall c-tree.info and
6241 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6242 ($(srcdir)/cppinternals.info): New target.
6243 * c-tree.texi: Change file name used when makeinfo used without -o
6244 from ir.info to c-tree.info. Add info directory entry.
6245 * cppinternals.texi: Add info directory entry.
6246 * .cvsignore: Update.
6248 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6250 * c-typeck.c (store_init_value): Don't require constant initializer
6251 elements with -pedantic -std=c99.
6252 (digest_init): Change error about non-constant initializer elements
6254 (constructor_range_end): Remove.
6255 (constructor_incremental, designator_depth,
6256 designator_errorneous): New variables.
6257 (struct constructor_stack): Remove range_end, add incremental.
6258 (struct constructor_range_stack, constructor_range_stack): New.
6259 (struct initializer_stack): Add constructor_range_stack.
6260 (finish_init): Set it.
6261 (start_init): Likewise. require_constant_elements for non-static
6262 trees only if not flag_isoc99.
6263 (really_start_incremental_init): Remove constructor_range_end, add
6264 constructor_incremental.
6265 (pop_init_level): Likewise.
6266 (push_init_level): Likewise. If implicit and the subobject had some
6267 value set already, preinitialize the level with it.
6268 Warn about missing braces only if not pushing due to designators.
6269 (set_designator, push_range_stack): New functions.
6270 (set_init_label): Use them.
6271 (set_init_index): Likewise. Remove constructor_range_end.
6272 Error if designator index is outside of array bounds.
6273 (add_pending_init): Compare values of purpose index trees, not the
6274 trees themselves. Allow overwriting of already initialized element.
6275 Issue a warning if it had side-effects.
6276 (set_nonincremental_init, set_nonincremental_init_from_string): New
6278 (pending_init_member): Rename to...
6279 (find_init_member): ...this function. Call set_nonincremental_init
6280 if necessary. Compare values of purpose index trees, not the trees
6281 themselves. Return the actual value, not just non-zero if something
6283 (output_init_element): Remove checks for duplicates.
6284 If field has zero size, only check the initializer for correctness.
6285 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6286 if constructor_incremental is zero. Change error about initializers
6287 not computable at load time into pedwarn.
6288 (output_pending_init_elements): Compare bit positions, not
6289 FIELD_DECLs to take into account zero-sized fields.
6290 (process_init_element): Use constructor_range_stack to fill all
6291 ranges in the designator lists from current level up.
6292 * extend.texi: Update documentation for labeled elements.
6294 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6296 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6297 to function usage for arguments passed by reference. Optimize
6298 callee-copied arguments.
6299 * regmove.c (replace_in_call_usage): New function.
6300 (fixup_match_1): Call it.
6301 * cse.c (cse_insn): Canonicalize registers in function usage.
6302 * reload1.c (replace_pseudos_in_call_usage): New function.
6305 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6308 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6310 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6313 2001-01-12 DJ Delorie <dj@redhat.com>
6315 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6316 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6319 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6321 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6322 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6323 -std options alongside references to -ansi. Update some
6324 documentation for C99.
6325 * cpp.1: Regenerate.
6327 2001-01-12 Andreas Jaeger <aj@suse.de>
6329 * haifa-sched.c (restore_line_notes): Remove argument block B
6331 * sched-ebb.c (schedule_ebb): Change caller.
6332 * sched-rgn.c (schedule_region): Likewise.
6333 * sched-int.h (restore_line_notes): Adjust prototype.
6335 * loop.h: Remove wrong declaration of doloop_condition_get.
6337 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6339 * extend.texi: Move C++-extension-related node from the C section
6340 into the C++ section.
6342 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6344 * extend.texi: Refer to an array of pointers to functions instead
6345 of one of functions.
6347 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6348 Jan Hubicka <jh@suse.cz>
6350 * combine.c (reversed_comparison): Fix typo in last patch.
6352 (combine_reversed_comparison_code): Make static to follow
6353 prototype declaration.
6355 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6357 * install.texi: Remove misplaced duplicate entry.
6359 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6361 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6363 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6365 * final.c: (leaf_function_p): Fix typo.
6367 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6369 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6370 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6372 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6373 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6374 mmap_anon, and valloc is available.
6375 * ggc-page.c: Restructure ifdef logic to match new autoconf
6376 spec. Don't throw away the test page in init_ggc.
6378 * configure, config.in: Regenerate.
6380 2001-01-12 Michael Hayes <mhayes@redhat.com>
6382 * loop.h (total_biv_increment): Constify iv_class pointer.
6383 (struct induction): Replace `mem_mode' with `mem' rtx.
6384 * unroll.c (total_biv_increment): Constify iv_class pointer.
6385 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6386 (find_mem_givs, combine_givs_p): Likewise.
6387 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6389 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6391 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6393 (__gthread_getspecific): Ditto.
6395 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6397 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6398 put_condition_code): Convert fp comparison codes to integer
6400 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6403 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6404 * i386-protos.h (no_comparison_operator): Kill.
6406 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6408 * combine.c (REVERSIBLE_CC_MODE): Remove.
6409 (reversible_comparison_p): Remove.
6410 (combine_reversed_comparison_code): New.
6411 (reversed_comparison): New.
6412 (combine_simplify_rtx): Use
6413 combine_reversed_comparison_code/reversed_comparison instead
6414 of reversible_comparison_p.
6415 (simplify_if_then_else): Likewise.
6416 (simplify_set): Likewise.
6417 (simplify_logical): Likewise.
6418 (if_then_else_cond): Likewise.
6419 (known_cond): Likewise.
6420 (simplify_comparison): Likewise.
6422 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6424 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6425 sizeof (int) is larger than sizeof(__word__).
6427 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6429 * cppinit.c (do_includes): Fix typo.
6431 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6433 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6434 in S_REGS does not occur because not all sources are possible
6435 when a S_REGS is a destination (sometimes needs a clobber).
6436 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6437 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6438 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6439 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6440 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6441 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6442 (lshrdi_const1, lshrsi3_const16): Likewise.
6443 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6444 (*movhi_68hc12, *movqi_68hc12): Likewise.
6445 (movstrictqi): Make sure reloading in D_REGS as a destination
6448 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6450 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6452 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6454 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6455 -D, -U and -A, and don't initialize the builtins.
6456 (do_includes): Error if -include or -imacros with -fpreprocessed.
6457 * cppmain.c (cb_define, cb_undef): Unconditionally process
6459 * tradcpp.c (main): Fix typo.
6461 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6463 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6464 (read_name_map): Use IS_ABSOLUTE_PATH.
6465 * tradcpp.c (get_filename): Likewise.
6467 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6469 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6470 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6471 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6472 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6473 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6474 (cmphi_z_used): Don't use '@' for the output.
6475 (tstqi_z_used): Likewise.
6476 (cmpqi_z_used): Likewise.
6477 (one_cmplsi2): Likewise.
6479 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6481 * config/sh/sh.c (barrier_align): Recognize branch around far
6482 branch and redundant insn.
6484 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6486 * invoke.texi: Restore documentation of the drivers' switches -MD
6489 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6491 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6493 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6494 check-objc//%): Support parallel testing of multilibs.
6495 (TESTSUITEDIR): Set to testsuite by default, but override for
6497 (check-gcc, check-g++, check-g77, check-objc): Enter
6500 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6502 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6503 * sched-deps.c (deps_may_trap_p): Likewise.
6504 * basic-block.h: Remove a comment.
6505 * flow.c (PROP_POSTRELOAD): Remove.
6506 (update_life_info): Don't add it to prop_flags.
6507 (mark_set_1): Lose the code that was enabled by it.
6509 2001-01-11 Michael Hayes <mhayes@redhat.com>
6511 * flow.c (flow_call_edges_add): New.
6512 * basic_block.h (flow_call_edges_add): New.
6514 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6516 * reload1.c (move2add_note_store): Update reg_set_luid even if
6517 base reg remains the same.
6519 2001-01-10 Nick Clifton <nickc@redhat.com>
6521 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6522 machine_function structure to zero.
6523 Add prototypes for machine_status functions.
6525 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6527 * c-common.h (CTI_VOID_LIST): Remove.
6528 (void_list_node): Likewise.
6529 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6530 (void_list_node): New macro.
6531 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6532 * config/i386/i386.c (ix86_init_builtins): Likewise.
6533 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6535 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6537 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6538 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6540 * tradcpp.c: Include mkdeps.h.
6541 (deps, print_deps_phony_targets, deps_append, output_deps,
6542 init_dependency_output, output_deps): New.
6543 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6544 deps_output): Delete.
6545 (print_deps_missing_files): Rename deps_missing_files.
6546 (inhibit_output): Make global.
6547 (main): Delete inhibit_output, deps_stream, deps_target.
6548 Use mkdeps functionality in the same way as cpplib. Remove
6549 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6550 -M and -MM. Remove old handling of deps via deps_out, and
6551 old reading of environment variables.
6552 (get_filename): Update to use deps_add_dep.
6554 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6556 * output.h (make_function_rtl): Remove prototype.
6557 (make_decl_rtl): Likewise.
6558 * varasm.c (make_function_rtl): Remove.
6559 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6560 than from a third parameter.
6561 * tree.h (make_decl_rtl): Remove last parameter.
6562 * c-decl.c (builtin_function): Remove last argument in call to
6563 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6564 (start_function): Likewise.
6565 * except.c (call_get_eh_context): Likewise.
6566 * expr.c (emit_block_move): Likewise.
6567 (clear_storage): Likewise.
6568 * profile.c (output_func_start_profiler): Likewise.
6569 * toplev.c (rest_of_decl_compilation): Likewise.
6570 * objc/objc-act.c (create_builtin_decl): Likewise.
6571 (synth_module_prologue): Likewise.
6572 (generate_static_reference): Likewise.
6573 (build_selector_reference_decl): Likewise.
6574 (build_class_reference_decl): Likewise.
6575 (build_objc_string_decl): Likewise.
6576 (build_protocol_reference): Likewise.
6578 2001-01-10 Richard Henderson <rth@redhat.com>
6580 * hwint.h: Revert yesterday's change.
6582 2001-01-10 Nick Clifton <nickc@redhat.com>
6584 * function.h (save_machine_status): Delete.
6585 (restore_machine_status): Delete.
6586 Amend comment describing {init|mark|free}_machine_status.
6588 * function.c (save_machine_status): Delete.
6589 (restore_machine_status): Delete.
6590 Amend comment describing {init|mark|free}_machine_status.
6591 (push_function_context_to): Remove invocation of
6592 save_machine_status.
6593 (pop_function_context_from): Remove invocation of
6594 restore_machine_status.
6596 * emit-rtl.c (init_emit_once): Amend comment describing
6597 {init|mark|free}_machine_status.
6599 * tm.texi (Per-Function Data): New node. Describe the
6600 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6603 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6605 * cppinit.c (OPT_g): Remove.
6606 (cpp_handle_option): Update for removed -g3.
6607 (print_help): Update.
6608 * cpplib.h (struct cpp_options): Remove debug_output.
6609 * cppmain.c (setup_callbacks, cb_define): Update.
6610 * gcc.c (cpp_options): Translate -g3 to -dD.
6612 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6614 * config/i960/i960.md: Change modifier to + on the zero_extract
6615 pattern after the (rotate -2 reg) canonicalization pattern.
6617 2001-01-10 Richard Henderson <rth@redhat.com>
6619 * config/alpha/alpha.c (alpha_free_machine_status): New.
6620 (override_options): Install it.
6621 (alpha_mark_machine_status): Verify machine non-null.
6622 * config/i386/i386.c (ix86_free_machine_status): New.
6623 (override_options): Install it.
6624 (ix86_init_machine_status): Use xcalloc.
6625 (ix86_mark_machine_status): Verify machine non-null.
6626 * config/ia64/ia64.c (ia64_free_machine_status): New.
6627 (ia64_override_options): Install it.
6628 (ia64_mark_machine_status): Verify machine non-null.
6630 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6632 * function.c (instantiate_virtual_regs): Instantiate virtual
6633 registers found in CALL_INSN_FUNCTION_USAGE.
6635 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6637 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6638 equivalent to -ansi in disabling -Di386.
6640 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6642 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6644 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6646 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6648 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6650 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6652 * invoke.texi: Document that -fcond-mismatch isn't supported for
6655 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6657 * gcc.texi: Define macro gcctabopt.
6658 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6659 @command, @env and @option in some places where appropriate. Use
6660 @gcctabopt where appropriate. Put URLs and email addresses inside
6663 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6665 * gcc.c (cpp_options): Set MD file name from output
6666 filename, if specified.
6667 (suffix_subst): New static variable.
6668 (do_spec): Clear it.
6669 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6671 (give_switch): Handle suffix_subst.
6673 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6675 * invoke.texi: Fix another typo.
6677 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6679 * invoke.texi: Fix typo.
6681 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6683 * c-lang.c (lang_hooks): Update.
6684 (lang_decode_option): Remove.
6685 (lang_init_options): Rename c_init_options.
6686 * toplev.c (main): Use lang_hooks for lang_init_options
6687 and lang_decode_option.
6688 * toplev.h (lang_hooks): Add 2 new hooks.
6689 * tree.h: Remove lang_init_options and lang_decode_option.
6690 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6691 * cp/decl2.c: Similarly.
6692 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6693 (lang_hooks): Update.
6694 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6696 (lang_init_options): Rename ffe_init_options.
6697 (lang_hooks): Update.
6698 (lang_decode_option): Remove.
6699 * java/lang.c (lang_init_options): Rename java_init_options.
6700 (lang_decode_option): Rename java_decode_option.
6701 (lang_hooks): Update.
6702 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6703 (lang_decode_option): Rename objc_decode_option.
6704 (lang_hooks): Update.
6706 2001-01-09 Nick Clifton <nickc@redhat.com>
6708 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6709 (d30v_return_addr_rtx): Delete.
6710 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6711 cfun->machine structure.
6712 (struct machine_function): Move to d30v.h
6713 (d30v_save_machine_status): Delete.
6714 (d30v_restore_machine_status): Delete.
6715 (d30v_init_machine_status): New Function.
6716 (d30v_mark_machine_status): New Function.
6717 (d30v_free_machine_status): New Function.
6718 (d30v_init_expanders): Use new functions.
6719 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6720 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6721 d30v_return_addr_rtx.
6723 * config/d30v/d30v.h (struct_machine): Move here.
6724 Add eh_epilogue_sp_ofs field.
6726 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6727 field in cfun->machine structure.
6729 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6731 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6732 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6733 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6735 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6737 * objc/lang-options.h: Remove bogus reference to
6740 2001-01-09 Kazu Hirata <kazu@hxi.com>
6742 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6745 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6747 * reload.c (find_reloads_address): Check for eliminable registers
6748 when substituting a constant expression for a pseudo.
6750 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6752 * c-common.c (enum format_type): Add format_type_error.
6753 (decode_format_type): New function.
6754 (decl_attributes): Use it.
6755 (format_kind_info): Adjust comment.
6757 2001-01-09 David O'Brien <obrien@BSDi.com>
6759 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6760 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6762 * config/i386/gnu.h: Don't include required platform specific .h files,
6763 tm.h will do it instead.
6764 * config/i386/i386elf.h: Likewise.
6765 * config/i386/linux.h: Likewise.
6766 * config/i386/moss.h: Likewise.
6767 * config/mips/gnu.h: Likewise.
6769 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6771 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6772 (rs6000-ibm-aix3.[01]*): Likewise.
6773 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6774 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6775 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6776 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6777 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6778 (powerpc-*-eabiaix*): Likewise.
6779 (powerpc-*-eabisim*): Likewise.
6780 (powerpc-*-elf*): Likewise.
6781 (powerpc-*-eabi*): Likewise.
6782 (powerpc-*-rtems*): Likewise.
6783 (powerpc-*-linux*libc1): Likewise.
6784 (powerpc-*-linux*): Likewise.
6785 (powerpc-wrs-vxworks*): Likewise.
6786 (powerpcle-wrs-vxworks*): Likewise.
6787 (powerpcle-*-sysv*): Likewise.
6788 (powerpcle-*-elf*): Likewise.
6789 (powerpcle-*-eabisim*): Likewise.
6790 (powerpcle-*-eabi*): Likewise.
6791 (powerpcle-*-solaris2*): Likewise.
6792 * config/rs6000/aix31.h: Delete includes.
6793 * config/rs6000/aix3newas.h: Likewise.
6794 * config/rs6000/aix41.h: Likewise.
6795 * config/rs6000/aix43.h: Likewise.
6796 * config/rs6000/beos.h: Likewise.
6797 * config/rs6000/rtems.h: Likewise.
6798 * config/rs6000/sysv4.h: Likewise.
6800 2001-01-09 Kazu Hirata <kazu@hxi.com>
6802 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6803 Change an argument mode of machine_mode to shift_mode of
6804 shift_mode. Remove an extra error check.
6805 (emit_a_shift): Adopt to the new calling prototype of
6807 (function_prologue): Fix code for a monitor
6808 function. Support H8/S.
6809 (function_epilogue): Do not output pop for a monitor function.
6811 2001-01-09 Nick Clifton <nickc@redhat.com>
6813 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6814 (setup_incoming_varargs): Use sysv_varargs_p field of the
6815 cfun->machine structure.
6816 (struct machine_function): Move to rs6000.h
6817 (rs6000_save_machine_status): Delete.
6818 (rs6000_restore_machine_status): Delete.
6819 (rs6000_init_machine_status): New Function.
6820 (rs6000_free_machine_status): New Function.
6821 (rs6000_init_expanders): Use new functions.
6823 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6825 (struct machine_function): Move here.
6827 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6828 sysv_varargs_p field of the cfun->machine structure.
6830 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6832 (rs6000_restore_machine_status): Remove prototype.
6834 2001-01-09 Richard Henderson <rth@redhat.com>
6836 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6837 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6838 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6839 (sched_analyze_2, sched_analyze_insn): Likewise.
6840 (sched_analyze, init_deps): Likewise.
6841 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6842 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6843 (compute_block_backward_dependences): Update propagate_deps call.
6845 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6847 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6849 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6851 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6852 (cpp_handle_option): Handle them.
6853 (cpp_post_options): Ensure one of -M or -MM is specified with
6854 any other -M? option.
6855 (init_dependency_output): Suppress output with -MG.
6857 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6860 * invoke.texi: Update.
6862 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6864 * sh.md (reload_outsf): Generate recognizable patterns for
6867 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6869 * c-lang.c (lang_hooks): Update.
6870 (lang_init): Rename c_init.
6871 (lang_finish): Remove.
6872 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6874 * toplev.h (lang_hooks): Add init () and finish ().
6875 * tree.h (lang_init, lang_finish): Remove.
6876 * cp/tree.h (lang_init, lang_finish): Remove.
6877 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6878 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6880 (lang_init, lang_finish): Remove.
6881 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6882 (lang_hooks): Update.
6883 * java/lang.c (lang_init): Rename java_init.
6884 (lang_finish): Remove.
6885 (lang_hooks): Update.
6886 * objc/objc-act.c (lang_init): Rename objc_init.
6887 (lang_finish): Remove.
6888 (lang_hoooks): Update.
6890 20001-01-09 Graham Stott <grahams@redhat.com>
6892 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6893 after `ptr` is initialised.
6895 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6897 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6898 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6899 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6900 stack adjusts, instead of r3.
6902 2001-01-09 Michael Hayes <mhayes@redhat.com>
6904 * flow.c (flow_loop_scan): Break out of ...
6905 (flow_loops_find) ... here.
6906 * basic-block.h (flow_loop_scan): New.
6907 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6908 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6910 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6912 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6914 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6915 realloc()ing macro_buffer.
6917 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6918 if it's wider than long and the target's long is wider than the
6921 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6923 Remove support for using UWIN as a host machine.
6924 * configure.in: Issue an error message.
6925 * configure: Regenerated.
6926 * config.gcc: Remove xm_* UWIN configury.
6927 * config/i386/xm-uwin.h: Remove.
6929 2001-01-08 Nick Clifton <nickc@redhat.com>
6931 * config/v850/v850.c (ra_rtx): Delete.
6932 (v850_save_machine_status): Delete.
6933 (v850_restore_machine_status): Delete.
6934 (v850_init_machine_status): New function.
6935 (v850_mark_machine_status): New function.
6936 (v850_free_machine_status): New function.
6937 (v850_return_addr): Use ra_rtx field in machine structure.
6938 (v850_init_expanders): Use new functions.
6940 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6941 * config/v850/v850.c: Change arguments to v850_output+* functions
6942 to take a const char *, to avoid compile time warning.
6943 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6944 (USER_LABEL_PREFIX): Redefine.
6946 2000-01-08 Jim Wilson <wilson@redhat.com>
6948 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6949 1 to unsigned HOST_WIDE_INT before left shift.
6951 2001-01-08 Nick Clifton <nickc@redhat.com>
6953 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6954 the machine structure has been allocated.
6955 (arm_free_machine_status): New function: Free the machine
6956 specific function structure.
6958 2001-01-08 Richard Henderson <rth@redhat.com>
6960 * jump.c (simplejump_p): Revert last change.
6962 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6964 * cppinit.c (init): Rename init_library.
6965 (cpp_create_reader): Update.
6966 * gcc.c (cpp_options): If -o given, use it as the target of
6969 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6971 * arm.c (arm_arch5e): New variable.
6972 (all_cores): XScale is a 5TE device.
6973 (arm_override_options): Set arm_arch5e.
6974 (arm_init_builtins): __builtin_prefetch is in arch5e.
6975 * arm.h (arm_arch5e): Declare it.
6977 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6979 * arm.md (define_constants): Add defines for UNSPEC and
6980 UNSPEC_VOLATILE insns. Update all users.
6981 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6982 * arm.c (multi_register_push, note_invalid_constants)
6983 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6984 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6985 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6987 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6989 * jump.c (jump_optimize_1): Use reversed_comparison_code
6990 instead of can_reverse_comparison_p.
6991 (jump_back_p): Likewise.
6992 (invert_exp_1): Likewise.
6993 (thread_jumps): Likewise.
6994 * simplify-rtx.c (simplify_unary_operation): Likewise.
6995 (simplify_ternary_operation): Likewise.
6996 * cse.c (find_comparison_args): Convert to use
6997 can_reverse_comparison_p.
6998 (record_jump_equiv): Likewise.
7000 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7002 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7003 (EPILOGUE_USES): Define.
7004 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7005 automatically stack the LR if it isn't live.
7007 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7009 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7012 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7014 * ggc-page.c (max_alignment): New structure.
7015 (MAX_ALIGNMENT): New macro.
7016 (init_ggc): Use it to round up the sizes in the
7017 extra_order_size_table.
7019 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7021 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7024 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7026 * builtins.def (BUILT_IN_FPRINTF): New entry.
7028 * c-common.c (c_expand_builtin_fprintf): New function.
7029 (init_function_format_info): Handle __builtin_fprintf.
7030 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7031 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7033 * c-decl.c (duplicate_decls): Adjust comment.
7035 * extend.texi (fprintf): Document new builtin.
7037 2001-01-07 Richard Henderson <rth@redhat.com>
7039 * jump.c (simplejump_p): Recognize any single_set jump
7042 2001-01-07 Richard Henderson <rth@redhat.com>
7044 * configure.in (slibdir): Accept an --with-slibdir option.
7045 Use "test" not "[" in configure. Default to $(libdir).
7047 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7049 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7050 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7051 (SHLIB_LINK): Create links for the soname.
7052 * config/mips/t-iris6: Likewise.
7053 * config/sparc/t-slibgcc: Likewise.
7054 * config/sparc/t-slibgcc-sld: Likewise.
7056 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7058 * config/i386/i386.c (constant_call_address_operand): Accept
7059 (const (plus (symbol_ref) (const_int))).
7060 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7061 constant_call_address_operand.
7063 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7065 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7066 and LONG_LONG_TYPE_SIZE > 32.
7068 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7070 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7071 the previous change.
7073 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7075 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7077 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7078 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7079 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7082 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7084 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7086 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7088 * c-lang.c (c_post_options): Call cpp_post_options.
7089 * objc/objc-act.c (objc_post_options): Similarly.
7090 * cppmain.c (main): Similarly.
7091 * fix-header.c (read_scan_file): Similarly.
7092 * cppinit.c (cpp_start_read): Move option consistency checks
7093 to cpp_post_options. Don't call init_dependency_output.
7094 If needed, add default target and main file dependency.
7095 (OPT_MD, OPT_MMD): Remove.
7097 (cpp_handle_option): Update for OPT_* changes.
7098 (cpp_post_options): New.
7099 (init_dependency_output): Command line -MF overrides environment
7100 variables. Don't set default target etc. Suppress output
7101 if dependencies are going to stdout.
7102 (print_help): Update.
7103 * cpplib.h (cpp_post_options): New.
7104 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7106 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7108 * jump.c (comparison_dominates_p): Support unordered compares.
7110 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7112 * simplify-rtx.c (simplify_relational_operation): Always simplify
7113 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7116 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7118 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7119 (nonzero_bits): Likewise.
7120 (simplify_comparison): Likewise.
7121 (num_sign_bit_copies): Likewise; return more sane value depending
7122 on STORE_FLAG_VALUE.
7123 (known_cond): Do not assume EQ to be always true for equivalent
7126 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7128 * cse.c (fold_rtx): Handle unordered comparisons.
7130 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7132 * rtlanal.c (set_of_1): New static function.
7133 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7134 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7135 reg_set_last_last_regno): Remove.
7136 (set_of): New global function.
7137 (set_of_data): New structure.
7138 (reg_set_p, reg_set_last): Revamp for set_of.
7139 * rtl.h (set_of): New.
7141 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7143 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7144 * extend.texi: Document _Exit builtin.
7146 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7148 * (initialize, initialize_builtins,
7149 initialize_dependency_output, initialize_standard_includes):
7150 Rename s/initialize/init. Update.
7151 (init_dependency_output): Move to after
7152 cpp_handle_options, the correct location temporally at least.
7153 (opt_comp): Move next to init (), its caller. Fix prototype.
7154 (init): Make "initialized" local scope.
7155 (cpp_create_reader): Always call init ().
7156 (cpp_start_read): Update.
7157 (output_deps): New function, broken out of cpp_finish.
7158 (cpp_finish): Break out output_deps.
7160 2001-01-07 Richard Henderson <rth@redhat.com>
7162 * collect2.c (COFF specific stuff): Revert 12-06 patch
7163 to prototype system functions.
7165 2001-01-07 Michael Hayes <mhayes@redhat.com>
7167 * hard-reg-set.h: Add multiple include guard.
7168 * basic-block.h (struct loop): Add `sink' field.
7169 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7170 (emit_iv_add_mult): Delete.
7171 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7172 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7173 (unroll_loop): Remove end_insert_before argument.
7174 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7175 (maybe_eliminate_biv_1): Likewise.
7176 (emit_iv_add_mult): Delete.
7177 (gen_add_mult, loop_regs_update): New.
7178 (loop_insn_emit_after, loop_insn_emit_before): New.
7179 (loop_insn_sink, loop_insn_sink_or_swim): New.
7180 (emit_iv_add_mult): Delete.
7181 (scan_loop): Set loop->sink.
7182 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7183 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7184 (maybe_eliminate_biv_1): Likewise.
7185 (maybe_eliminate_biv_1): Add basic block argument.
7186 * unroll.c (unroll_loop): Remove end_insert_before argument.
7187 (find_splittable_regs): Likewise.
7188 (find_splittable_regs): Use loop_insn_sink and its ilk.
7189 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7191 2001-01-07 Michael Hayes <mhayes@redhat.com>
7193 * loop.h (loop_insn_hoist): New prototype.
7194 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7195 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7196 (check_dbra_loop, load_mems): Likewise.
7197 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7198 (find_splittable_givs): Likewise.
7200 2001-01-07 Michael Hayes <mhayes@redhat.com>
7202 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7204 2001-01-07 Richard Henderson <rth@redhat.com>
7206 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7208 2001-01-07 Richard Henderson <rth@redhat.com>
7210 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7211 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7212 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7213 variant that handles a shared libgcc.
7214 (process_command): Always validate -{static,shared}-libgcc.
7215 (do_spec_1): New 'M' case.
7216 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7218 2001-01-07 Richard Henderson <rth@redhat.com>
7220 * Makefile.in (slibdir): New variable.
7221 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7222 (installdirs): Create slibdir.
7223 (install-libgcc, install-multilib): Defer to libgcc.mk.
7224 * configure.in (slibdir): Substitute.
7225 * mklibgcc.in (install): New target.
7227 * config/t-linux (SHLIB_LINK): Create links for the soname.
7228 (SHLIB_INSTALL): New.
7229 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7230 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7231 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7232 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7233 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7235 2001-01-07 Richard Henderson <rth@redhat.com>
7237 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7238 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7239 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7241 2001-01-07 Michael Hayes <mhayes@redhat.com>
7243 * loop.c (count_loop_regs_set): Delete.
7244 (load_mems_and_recount_loop_regs_set): Delete.
7245 (loop_regs_scan): Merge common code from count_loop_regs_set,
7246 scan_loop, and load_mems_and_recount_loop_regs_set.
7247 (scan_loop): Call load_mems directly and loop_regs_scan
7248 again if new registers created.
7250 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7252 * toplev.c (main): Call the front-end specific post_options
7253 hook if one is given.
7254 * toplev.h (struct_lang_hooks, lang_hooks): New.
7255 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7256 for the C front end.
7257 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7258 lang_hooks for the C++ front end.
7259 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7260 lang_hooks for the ObjC front end.
7261 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7262 * java/lang.c (lang_hooks): Hooks for the Java front end.
7264 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7266 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7267 for verbose DWARF[2] debugging.
7268 (cb_define, cb_undef): The new callbacks.
7269 * toplev.h (debug_define, debug_undef): Make const correct.
7270 * toplev.c (debug_define, debug_undef): Similarly. Do not
7271 perform the verbosity tests here anymore.
7273 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7275 * reload.c (subst_reloads): Take INSN argument. When
7276 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7277 * reload.h (subst_reloads): Adjust prototype.
7278 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7279 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7280 present in JUMP_INSNs and copy them to JUMP_LABEL.
7281 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7282 JUMP_INSNs and insns with REG_LABELs that are followed by
7283 JUMP_INSNs with the same REG_LABEL.
7284 * sched-rgn.c (is_cfg_nonregular): Likewise.
7285 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7287 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7289 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7291 2001-01-06 Richard Henderson <rth@redhat.com>
7293 * loop.c (scan_loop): Use xcalloc for the regs array.
7294 (load_mems_and_recount_loop_regs_set): Zero the new memory
7295 received from xrealloc.
7297 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7299 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7301 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7303 * integrate.c (copy_rtx_and_substitute): When copying
7304 an ignored return value, strip REG_FUNCTION_VALUE_P.
7306 2001-01-06 Michael Hayes <mhayes@redhat.com>
7308 * loop.c (debug_biv, debug_giv): New.
7309 (loop_biv_dump): Break out from ...
7310 (record_biv): ... here.
7311 (loop_giv_dump): Break out from ...
7312 (record_giv): ... here.
7313 (loop_bivs_check): Use print_simple_rtl.
7314 * unroll.c (loop_iterations): Use print_simple_rtl.
7316 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7318 * pa.md (return, return_internal): Modify patterns to prevent regrename
7319 mucking with the return pointer.
7321 2001-01-05 Richard Henderson <rth@redhat.com>
7323 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7325 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7327 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7328 version supplied by Matteo Frigo.
7330 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7332 * cpp.texi: Update for -MQ.
7333 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7334 (cpp_cleanup): Always free pfile->deps.
7335 (initialize_dependency_output): Don't create pfile->deps.
7336 (cpp_handle_option): Similarly.
7338 * gcc.c (cpp_options): Handle -MQ.
7339 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7340 * mkdeps.c (base_name): Remove.
7341 (deps_init): Don't allocate vector space until it's needed.
7342 (deps_free): Only free vectors if allocated.
7343 (deps_add_target, deps_add_dep): Update for initial allocation.
7344 (deps_add_default_target): Don't strip to the base_name.
7346 2001-01-05 DJ Delorie <dj@redhat.com>
7348 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7349 (INIT_EXPANDERS): Define.
7351 * config/v850/v850.c (struct machine_function): Define.
7352 (v850_save_machine_status): New function.
7353 (v850_restore_machine_status): New function.
7354 (v850_return_addr): New function.
7355 (v850_init_expanders): New function.
7357 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7358 and v850_init_expanders.
7360 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7362 * cpplib.h (struct cpp_reader): Add help_only field.
7363 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7364 (cpp_handle_option): Set pfile->help_only if we see -h,
7365 --help, -target-help, or --version. Print version string but
7366 do not set help_only if we see -v or -version. Make text
7367 printed by -v match that printed by (-)-version.
7369 * cppmain.c (main): Exit after option parsing if
7370 pfile->help_only is true.
7372 * toplev.c (independent_decode_option): Call print_version,
7373 then exit, if we see --version (but not -version).
7374 (print_version): Split lengthy message into two lines.
7376 2001-01-05 Nick Clifton <nickc@redhat.com>
7378 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7379 temporary string for initialisation before calling ggc_alloc_string.
7381 2001-01-06 Michael Hayes <mhayes@redhat.com>
7383 * rtl.h (print_simple_rtl): New.
7384 * print-rtl.c (print_simple_rtl): New.
7386 (print_rtx): Disable printing of flags and modes, etc.,
7387 if `flag_simple` nonzero.
7389 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7391 * function.c (fixup_var_refs): Use push_to_full_sequence where
7394 2001-01-05 Michael Meissner <meissner@redhat.com>
7396 * flags.h (flag_reorder_blocks): Add declaration.
7397 (flag_rename_block): Ditto.
7399 2001-01-05 DJ Delorie <dj@redhat.com>
7401 * function.c (reorder_blocks): Make sure the flags are all reset
7402 before using them to mark blocks, else a second invocation will
7403 corrupt the block chain.
7404 (reorder_blocks_0): New, resets the flags.
7406 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7408 * cse.c (find_comparison_args): Stop if the argument is known to
7411 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7413 * config/sh/sh.md (movdf): When splitting load into pair of
7414 registers, don't clobber the register used in the address too
7417 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7419 * varasm.c (mark_constant_pool): Improve initial comments.
7420 (mark_constants): Move marking of constants to mark_constant.
7421 (mark_constant): New function to recursively mark all constants
7422 referred to by a constant.
7424 2001-01-05 Catherine Moore <clm@redhat.com>
7426 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7428 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7430 * cp/lang-options.h: Bring comment in line with reality.
7431 * f/lang-options.h: Likewise.
7432 * java/lang-options.h: Likewise.
7433 * objc/lang-options.h: Likewise.
7434 * ch/lang-options.h: Likewise.
7435 * f/g77.texi: And update the manual.
7437 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7438 Denis Chertykov <denisc@overta.ru>
7440 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7441 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7442 * config/avr/avr.md (all peepholes that request a scratch register):
7443 Call it, FAIL the peephole if not safe (in interrupt functions).
7445 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7447 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7449 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7451 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7453 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7454 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7455 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7456 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7457 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7459 * extend.texi: Document these builtins.
7461 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7463 * c-common.c (lang_get_alias_set): Say we know nothing of
7464 VECTOR_TYPE aliasing.
7466 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7468 2001-01-05 Bruce Korb <bkorb@gnu.org>
7470 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7471 their x* equivalent versions for atexit-less systems
7472 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7473 systems (or any other system any more).
7475 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7477 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7478 output operands. Use arm_hard_register_operand for operand 4.
7479 (stmsi_postinc): Similarly.
7480 (ldmsi): Use arm_hard_register_operand for opernand 2.
7482 * arm.c (arm_hard_register_operand): New function.
7483 * arm-protos.h (arm_hard_register_operand): Prototype it.
7485 * arm.h (HARD_REGNO_RENAME_OK): Define.
7487 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7489 * simplify-rtx.c (cfc_args): add "unordered" field.
7490 (check_fold_consts): Set unordered field.
7491 (simplify_relational_operation): Simplify the unordered
7494 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7497 * emit-rtl.c (try_split): Fix code to mark labels.
7498 * jump.c (mark_jump_label): Make global.
7499 * rtl.h (mark_jump_label): Declare.
7501 * predict.c (estimate_probability): Handle unordred comparisons.
7503 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7505 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7506 * cppinit.c (initialize_dependency_output): Update.
7507 (cpp_finish): Output dummy targets for -MP.
7509 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7510 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7511 * gcc.c (cpp_options): Update to handle -MP.
7512 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7513 to quote only the default target.
7514 (deps_phony_targets): Insert a preceding newline. Rename from
7515 deps_dummy_targets for consistency.
7518 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7520 * calls.c (emit_library_call_value_1): Support
7521 INIT_CUMULATIVE_LIBCALL_ARGS.
7522 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7524 2001-01-04 Richard Henderson <rth@redhat.com>
7526 * c-decl.c (finish_struct): Detect flexible array members
7527 used in an inappropriate context.
7528 * c-typeck.c (really_start_incremental_init): Special case
7529 constructor_max_index for zero length arrays.
7530 (pop_init_level): Allow initialization of flexible array
7531 members. Deprecate initialization of zero length arrays.
7532 Don't issue missing initializer warning for flexible array
7533 members or zero length arrays.
7534 (process_init_element): Don't dereference null DECL_SIZE.
7535 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7536 Don't abort for empty constructors. Use size_binop
7537 (output_constructor): Add commentary regarding zero length
7538 array futures. Abort if we try to initialize an array of
7539 unspecified length with a non-empty constructor in the middle
7542 * extend.texi (Zero Length): Update and clarify documentation
7543 on static initialization.
7545 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7547 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7548 with more than 32767 words of local storage.
7550 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7552 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7553 for 'abs', 'labs', and 'fabs'.
7554 (c4x_expand_builtin): Likewise.
7555 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7557 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7559 * config/sh/sh.md (prget, prset): New insn types.
7560 (return delay slot): Dont' allow prset.
7561 (call, sfunc delay slot): Don't allow prget.
7562 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7563 for prset and prget.
7565 2001-01-05 Michael Hayes <mhayes@redhat.com>
7567 * loop.h (struct loop_reg): New.
7568 (struct loop_regs): Change to use array of `struct loop_reg'.
7569 * loop.c: Replace assortment of varrays with single regs array.
7570 (count_one_set): Delete may_not_move array argument
7571 and use regs array instead. All caller's changed.
7572 (count_loop_regs_set): Delete may_not_move and single_usage
7573 arguments and use regs array instead. All caller's changed.
7574 (find_single_use_in_loop): Replace usage array argument with pointer
7575 to regs structure. All caller's changed.
7576 (loop_optimize): Delete `moved_once' array.
7578 2001-01-05 Michael Hayes <mhayes@redhat.com>
7580 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7581 Use it instead of loop_info->has_call for scanning loop mems.
7582 (check_dbra_loop): Replace loop_info->has_call test with
7583 loop_info->has_nonconst_call.
7585 2000-01-04 Matthew Hiller <hiller@redhat.com>
7587 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7590 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7592 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7593 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7595 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7597 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7598 (flag_short_double, flag_short_wchar): Define.
7599 (c_common_nodes_and_builtins): Create many tree nodes shared
7600 between C and C++ here instead of in cp/decl.c and ...
7601 * c-decl.c (init_decl_processing): ... here.
7602 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7603 (flag_short_double, flag_short_wchar): Don't define.
7604 (record_builtin_type): New function.
7605 (build_void_list_node): New function.
7606 * c-common.h (flag_short_double, flag_short_wchar,
7607 record_builtin_type, build_void_list_node): Declare.
7609 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7611 * integrate.c (expand_inline_function): Don't put a virtual
7612 register into the reg map.
7614 * function.c (fixup_var_refs_1): If force_operand didn't put
7615 the address into the target, move it there.
7617 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7619 Special-case tree_decl/tree_list allocations.
7620 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7621 (OBJECT_SIZE): New macro.
7622 (NUM_EXTRA_ORDER): Likewise.
7623 (extra_order_size_table): New variable.
7624 (NUM_ORDERS): New macro.
7625 (objects_per_page_table): New variable.
7626 (object_size_table): New variable.
7627 (G.pages): Use NUM_ORDERS to bound the array.
7628 (G.page_tails): Likewise.
7629 (DIV_ROUND_UP): Remove.
7630 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7631 (alloc_page): Use OBJECT_SIZE.
7632 (size_lookup): Don't make it const.
7633 (ggc_alloc): Use OBJECT_SIZE.
7634 (ggc_set_mark): Likewise.
7635 (ggc_get_size): Likewise.
7636 (init_ggc): Set up the object_size_table, objects_per_page_table,
7637 and adjust size_lookup.
7638 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7639 (ggc_pop_context): Use NUM_ORDERS.
7640 (clear_marks): Likewise.
7641 (sweep_pages): Likewise.
7642 (poison_pages): Likewise.
7643 (ggc_print_statistics): Use OBJECT_SIZE.
7645 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7647 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7648 Only call array_size_for_constructor if last field and array type
7649 with no upper bound.
7651 2001-01-04 Philip Blundell <philb@gnu.org>
7653 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7654 from bit 31 downwards, if this requires no more insns.
7655 (count_insns_for_constant): New helper function for above.
7657 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7659 * gencodes.c (output_predicate_decls): Remove empty initializer.
7661 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7663 * tree.c (copy_node): Remove documentation about obstacks.
7664 (buidl1): Check that nobody tries to build 2-argument nodes this
7667 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7669 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7672 * gencodes.c (output_predicate_decls): Fill empty initializer
7675 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7677 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7678 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7680 (do_include): Handle missing headers like cpp0.
7681 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7682 paths with first include pathname. Don't strcat to uninitialized
7685 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7687 * regrename.c (regrename_optimize): Don't rename from frame pointer
7688 if frame_pointer_needed.
7689 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7690 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7691 (ia64_reorg): Use it instead of scheduling if ! optimize.
7692 (errata_emit_nops): Properly call asm_noperands.
7693 (ia64_sched_reorder): Finish cycle if we see an asm.
7694 (ia64_variable_issue): Clear scheduling state after asms.
7696 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7698 * cpp.texi: Update for -MT.
7699 * cppinit.c (initialize_dependency_output): Add a default
7700 target if none has been given already.
7701 (no_tgt, OPT_MT): New.
7702 (cpp_handle_option): Handle -MT. Update -M etc.
7703 * cpplib.h (struct cpp_options): Remove deps_target.
7704 * gcc.c (cpp_options): Handle -MT.
7705 * mkdeps.c (struct deps): Move from mkdeps.h.
7706 (deps_calc_target): Rename deps_add_default_target. Add a
7707 default target if none has been specified already.
7708 * mkdeps.h (struct deps): Move to mkdeps.c.
7709 (deps_calc_target): Rename deps_add_default_target.
7711 2000-01-03 Richard Henderson <rth@redhat.com>
7713 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7715 * c-typeck.c (push_init_level): Move checks for flexible array
7716 members and zero length arrays ...
7717 (pop_init_level): ... here. Silently discard empty initializations.
7719 * varasm.c (output_constructor): Update for sizeof change to
7722 * extend.texi (Zero Length): Clarify semantics.
7724 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7726 * configure.in (tm.h): Include isns-codes.h last.
7727 * configure: Rebuilt.
7729 2001-01-03 Richard Henderson <rth@redhat.com>
7731 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7732 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7734 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7736 * tradcpp.c (main): Make sure finclude() is called with a valid
7737 indepth value while handling -include.
7739 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7741 * gencodes.c (output_predicate_decls): New function.
7743 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7744 even if it is not the first time machmode.h is #included.
7745 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7746 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7747 * gcc.texi (Copyright): Added 2001.
7749 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7751 * c-common.c (c_common_lang_init): New function. Warn if format
7752 warning options which only have effects when used with -Wformat
7753 are used without -Wformat.
7754 * c-common.h (c_common_lang_init): Declare.
7755 * c-lang.c (lang_init): Call c_common_lang_init.
7756 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7758 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7760 * configure.in: Check for the mktemp command.
7761 * configure: Regenerate.
7762 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7763 $TEMP. Create temporary files with mktemp, if available at
7764 configure time; otherwise use set -C. Remove temporary files
7767 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7769 * configure.in: Require at least texinfo 4.0. Check for whether
7770 Pod::Man is sufficiently recent to regenerate GCC manpages.
7771 * configure: Regenerate.
7772 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7774 (GENERATED_MANPAGES): Define.
7775 (generated-manpages): New target. Depend on cpp.1 as well as
7777 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7778 configure to generated-manpages or empty) rather than on the
7779 manpages directly. Remove execute permission from installed
7780 gcov.1 as well as cpp.1.
7781 * cpp.1, gcov.1: Regenerate.
7783 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7786 tree_low_cst. Allow using cmpstrsi in more cases.
7788 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7790 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7793 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7795 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7796 * Makefile.in (HOST_CFLAGS): Mention build-make.
7798 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7800 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7803 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7805 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7808 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7811 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7812 reg_base_value and reg_known_value arrays.
7813 (init_alias_analysis): Add more cases to detect known values.
7814 * sched-deps.c (deps_may_trap_p): New function.
7815 (sched_analyze_2): Use it.
7817 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7819 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7820 don't discard an ASHIFTRT if we're shifting in a wider mode.
7822 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7824 * toplev.c (rest_of_compilation): Don't print basic block information
7825 when CFG isn't up to date.
7827 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7829 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7830 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7831 (UNALIGNED_SHORT_ASM_OP): Define.
7832 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7834 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7836 * fold-const.c (fold_convert): Fix typo.
7838 2001-01-02 Richard Henderson <rth@redhat.com>
7840 * c-common.h (ASM_INPUT_P): New.
7841 * c-parse.in (asm): Set it when needed.
7842 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7843 existance of an operand.
7845 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7847 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7848 (dwarf2out_frame_debug_expr): Likewise.
7849 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7851 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7853 * i386.c (ix86_split_to_parts): Return number of part required;
7855 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7857 (ix86_split_long_move): Use number of part returned
7858 by ix86_split_to_parts
7859 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7861 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7862 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7863 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7864 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7865 (ALIGN_MODE_128): Add TFmode.
7866 (IS_STACK_MODE): Likewise.
7867 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7868 (HARD_REGNO_OK): Support TFmodes.
7869 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7870 * i386.md (scheduler definitions): Use memory operand to determine
7871 fst/fld instructions; use mode attribute to determine real mode of
7873 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7874 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7876 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7878 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7880 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7882 * expr.c (store_constructor_field): Update ALIGN before calling
7885 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7887 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7890 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7892 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7895 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7897 * c-decl.c (start_function): Don't warn on third parameter to main.
7899 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7901 * tsystem.h: Define HAVE_DECL_GETOPT.
7903 2001-01-02 Philip Blundell <pb@futuretv.com>
7905 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7908 2001-01-02 Richard Henderson <rth@redhat.com>
7910 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7912 2001-01-02 Andreas Jaeger <aj@suse.de>
7914 * c-decl.c (c_decode_option): Remove support of
7917 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7918 (W_options): Add -Wmissing-noreturn here.
7920 * flow.c: Define lang_missing_noreturn_ok_p.
7921 (check_function_return_warnings): Use it.
7923 * c-common.h: Declare lang_missing_noreturn_ok_p.
7925 * c-lang.c (c_missing_noreturn_ok_p): New function.
7926 (lang_init): Set lang_missing_noreturn_ok_p.
7928 * invoke.texi (Warning Options): Document this.
7930 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7932 * extend.texi (C++ Extensions): New node for C++ attributes;
7933 describe init_priority and com_interface.
7934 * invoke.texi: Remove -finit-priority as it now has zero effect.
7935 * install.texi: Fix xref syntax.
7936 * md.texi: Likewise.
7938 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7940 * config.gcc (sparc64-wrs-vxworks*): New case.
7941 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7943 * config/sparc/sparc.c (sparc_override_options): Do support different
7944 pointer and architecture size.
7945 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7946 (POINTERS_EXTEND_UNSIGNED): Define.
7947 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7948 (FUNCTION_MODE): Define to be Pmode.
7949 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7951 * function.c (expand_function_end): Properly handle DECL_RESULT
7952 and copy when ptr_mode != Pmode.
7953 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7955 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7957 * c-common.c (c_common_nodes_and_builtins): Set prototype
7958 parameters for __builtin_fputs, __builtin_fputc and
7959 __builtin_fwrite. Don't declare plain fputc as a builtin.
7961 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7963 * loop.c (add_label_notes): Increment the label usage count when
7964 a note is added to an insn which refers to a CODE_LABEL.
7965 * gcse.c (add_label_notes): Likewise.
7967 2001-01-01 Andreas Jaeger <aj@suse.de>
7969 * loop.c (scan_loop): Use xmalloc to allocate movables.
7971 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7973 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7974 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7975 * reload1.c (REGISTER_MOVE_COST): Likewise.
7976 * regclass.c (REGISTER_MOVE_COST): Likewise.
7977 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7978 dimension. Adjust all users.
7979 (init_reg_sets_1): Iterate on all modes.
7980 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7981 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7982 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7983 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7984 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7985 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7986 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7987 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7988 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7989 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7990 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7991 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7992 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7993 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7994 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7995 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7996 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7997 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7998 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7999 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8000 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8001 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8002 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8003 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8004 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8005 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8006 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8008 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8010 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8011 arg VARIES_P. Call it with extra arg.
8012 (true_dependence): Likewise.
8013 * rtl.h (rtx_addr_can_trap_p): Declare.
8014 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8016 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8017 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8018 pic offset table register if it's zero. All callers changed.
8019 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8021 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8023 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8024 STRING_POOL_ADDRESS_P.
8026 * config/sparc/sparc.c (input_operand): Properly test for short op.
8028 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8029 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8030 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8031 * config/sparc/elf.h: No longer include sol2.h.
8032 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8033 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8035 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8037 2001-01-01 Michael Hayes <mhayes@redhat.com>
8039 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8040 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8041 (record_initial): Likewise.
8042 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8043 (remap_split_bivs): Likewise.
8045 2001-01-01 Michael Hayes <mhayes@redhat.com>
8047 * loop.c (loop_ivs_free): New function.
8048 (strength_reduce): Break out from...
8050 2001-01-01 Michael Hayes <mhayes@redhat.com>
8052 * loop.h (struct iv): New.
8053 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8054 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8055 'reg_biv_class' fields with 'regs' and 'n_regs'.
8056 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8057 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8058 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8060 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8062 * resource.c (mark_referenced_resources): Abort() before
8063 attempting to mark a pseudo register.
8064 (mark_set_resources): Likewise.
8066 2001-01-01 Michael Hayes <mhayes@redhat.com>
8068 * loop.h (REG_IV_CLASS): New accessor macro.
8069 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8070 * unroll.c (REG_IV_CLASS): Likewise.
8072 See ChangeLog.4 for earlier changes.