1 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
6 2001-04-04 Zack Weinberg <zackw@stanford.edu>
8 * config.gcc: Remove default for xm_file. Clean up local
9 machine type handling. Remove settings of xm_file to
10 something that doesn't exist. In the big switch, set xm_file,
11 don't append to it (the value before the big switch is always
12 null). Don't force build_xm_file or host_xm_file to have a value.
13 * configure.in: Remove default for xm_file. Do not special
14 case $cpu/xm-$cpu.h not existing.
15 * configure: Regenerate.
17 2001-04-04 Diego Novillo <dnovillo@redhat.com>
19 * simplify-rtx.c (simplify_binary_operation): Check for overflow
20 when folding integer division and modulo operations.
22 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
24 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
25 instead of DWARF2_ADDR_SIZE for EH addresses.
26 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
29 2001-04-04 Richard Henderson <rth@redhat.com>
31 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
32 * config/ia64/t-glibc (LIB2ADDEH): Disable.
33 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
35 2001-04-04 Richard Henderson <rth@redhat.com>
37 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
40 2001-04-04 Jakub Jelinek <jakub@redhat.com>
42 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
43 push insns to delete to it instead of deleting them.
44 (delete_null_pointer_checks): Delete insns from delete_list after
45 all delete_null_pointer_checks_1 passes are done.
47 2001-04-04 Richard Henderson <rth@redhat.com>
49 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
52 2001-04-04 Zack Weinberg <zackw@stanford.edu>
54 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
55 * config/romp/xm-romp.h: Delete.
57 2001-04-04 Bernd Schmidt <bernds@redhat.com>
59 * sched-deps.c (sched_analyze_insn): Partially revert March 27
62 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
64 * emit-rtl.c (mark_label_nuses) Increment the label uses for
65 all labels present in rtx.
66 (try_split) Call new function for all split insns.
68 2001-04-04 Jakub Jelinek <jakub@redhat.com>
70 * recog.c (validate_replace_rtx_1): Instead of aborting just make
71 sure the change won't be validated.
73 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
75 * rtl.h (set_noop_p): Declare.
76 * flow.c (set_noop_p): Move from here ...
77 * rtlanal.c (set_noop_p): ... to here and enhance.
78 * cse.c (delete_trivially_dead_insns): Use it.
79 * gcse.c (hash_scan_set): Likewise.
80 * jump.c (delete_noop_moves): Likewise.
81 * recog.c (split_all_insns): Likewise.
83 2001-04-04 Alan Modra <alan@linuxcare.com.au>
85 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
86 stack pointer via a LO_SUM. Ditto for setting a temp register
87 used to save to the stack. Set cfa_temp when setting fp, and
88 allow matches to cfa_temp in addition to cfa_store when saving
89 regs. Handle POST_INC and LO_SUM register stores. Document the
90 changes and errors in rule 12 doco.
92 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
93 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
94 (load_reg): Move closer to epilogue code.
95 (DO_FRAME_NOTES): Define to control the following..
96 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
97 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
99 (hppa_expand_epilogue): Likewise.
101 2001-04-03 Richard Henderson <rth@redhat.com>
103 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
104 * configure: Rebuild.
106 2001-04-03 Richard Henderson <rth@redhat.com>
108 * rtl.h (LCT_THROW): New.
109 * calls.c (emit_library_call_value_1): Handle it.
110 * except.c (connect_post_landing_pads): Use it.
112 2001-04-03 Zack Weinberg <zackw@stanford.edu>
114 * gansidecl.h: Delete file.
115 * configure.in: Change all refs to gansidecl.h to use
116 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
118 * configure: Regenerate.
120 * Makefile.in (intl.o): Don't depend on gansidecl.h.
121 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
122 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
123 Don't include gansidecl.h.
124 * intl.c, main.c, version.c, fixinc/fixlib.h,
125 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
128 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
130 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
133 2001-04-03 Zack Weinberg <zackw@stanford.edu>
135 * config/i386/xm-beos.h, config/i386/xm-isc.h,
136 config/i386/xm-next.h, config/i386/xm-sco.h,
137 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
138 config/m88k/xm-m88k.h: Delete.
140 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
141 * config/romp/xm-romp.h: Don't define bcopy.
142 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
143 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
145 * config.gcc: Remove references to deleted files.
147 14 xm-host.h remain, 1 xm-cpu.h.
149 2001-04-03 Jakub Jelinek <jakub@redhat.com>
150 David S. Miller <davem@pierdol.cobaltmicro.com>
151 Andrew MacLeod <amacleod@redhat.com>
153 Use byte offsets in SUBREGs instead of words.
155 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
156 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
157 to pass new argument.
158 (add_stored_regs): Use subreg_regno_offset function.
159 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
161 (precompute_arguments): Use gen_lowpart_SUBREG.
162 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
163 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
164 (simplify_set): Rework to use SUBREG_BYTE.
165 (expand_field_assignment): Use SUBREG_BYTE.
166 (make_extraction): Use SUBREG_BYTE.
167 (if_then_else_cond): Use SUBREG_BYTE.
168 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
169 (gen_lowpart_for_combine): Compute full byte offset.
170 * cse.c (mention_regs): Use SUBREG_BYTE.
171 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
172 (canon_hash): Use SUBREG_BYTE.
173 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
174 (gen_lowpart_if_possible): Formatting.
175 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
177 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
178 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
179 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
180 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
181 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
182 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
183 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
184 certain invariants about SUBREGs the compiler creates.
185 (gen_lowpart_SUBREG): New function.
186 (subreg_hard_regno): New function to get the final register number.
187 (gen_lowpart_common): Use SUBREG_BYTE.
188 (gen_imagpart): Spacing nits.
189 (subreg_realpart_p): Use SUBREG_BYTE.
190 (gen_highpart): Use SUBREG_BYTE.
191 (subreg_lowpart_p): Always compute endian corrected goal offset,
192 even at the byte level, then compare against that.
193 (constant_subword): New function, pulled out all constant cases
194 from operand_subword and changed second argument name to offset.
195 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
196 and call constant_subword to do the work. Return const0_rtx if
197 looking for a word outside of OP.
198 (operand_subword_force): Change second arg name to offset.
199 * expmed.c (store_bit_field): Use SUBREG_BYTE.
200 (store_split_bit_field): Use SUBREG_BYTE.
201 (extract_bit_field): Use SUBREG_BYTE.
202 (extract_split_bit_field): Use SUBREG_BYTE.
203 (expand_shift): Use SUBREG_BYTE.
204 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
205 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
206 * flow.c (set_noop_p): Use SUBREG_BYTE.
207 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
208 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
209 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
211 (optimize_bit_field): Use SUBREG_BYTE.
212 (purge_addressof_1): Use SUBREG_BYTE.
213 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
214 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
215 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
216 * gengenrtl.c (special_rtx): Add SUBREG.
217 * global.c (mark_reg_store): Use SUBREG_BYTE.
218 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
219 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
220 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
221 final byte offset is congruent to subreg's mode size.
222 (subst_constants): Use SUBREG_BYTE.
223 (mark_stores): Use subreg_regno_offset function.
224 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
225 function and SUBREG_BYTE.
226 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
227 (reg_is_born): Use subreg_hard_regno.
228 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
229 endian correction code. Don't combine subregs unless resulting
230 offset aligns with type. Fix subreg constant extraction for DImode.
231 Simplify SUBREG of VOIDmode CONST_DOUBLE.
232 (general_operand): Remove dead mode_altering_drug code.
233 (indirect_operand): Use SUBREG_BYTE.
234 (constrain_operands): Use subreg_regno_offset function.
235 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
236 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
237 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
238 * regs.h (REG_SIZE): Allow target to override.
239 (REGMODE_NATURAL_SIZE): New macro which target can override.
240 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
241 on the entire subreg rtx.
242 (push_reload): Use SUBREG_BYTE in comments and code.
243 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
244 for hard registers inside subregs.
245 (operands_match_p): Use subreg_regno_offset.
246 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
247 containing hard regs.
248 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
249 corrections when fixing up MEM subregs.
250 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
251 subreg_regno_offset where appropriate.
252 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
253 byte endian corrections when fixing up MEM subregs.
254 (subst_reloads): When combining two subregs, make sure final
255 offset is congruent to subreg's mode size.
256 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
257 (refers_to_regno_for_reload_p): Use subreg_regno.
258 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
259 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
260 correction code for memory subreg fixups.
261 (forget_old_reload_1): Use subreg_regno_offset.
262 (choose_reload_regs): Use subreg_regno.
263 (emit_input_reload_insns): Use SUBREG_BYTE.
264 (reload_combine_note_store): Use subreg_regno_offset.
265 (move2add_note_store): Use subreg_regno_offset.
266 * resource.c (update_live_status, mark_referenced_resources): Use
267 subreg_regno function.
268 (mark_set_resources): Use subreg_regno function.
269 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
270 (subreg_regno_offset, subreg_regno): Define prototypes.
271 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
272 (gen_lowpart_SUBREG): Add prototype.
273 * rtl.texi (subreg): Update to reflect new byte offset representation.
274 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
275 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
276 (reg_overlap_mentioned_p): Use subreg_regno.
277 (replace_regs); Make sure final offset of combined subreg is
278 congruent to size of subreg's mode.
279 (subreg_regno_offset): New function.
280 (subreg_regno): New function.
281 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
282 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
283 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
284 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
285 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
286 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
287 (a29k_get_reloaded_address): Use SUBREG_BYTE.
288 (print_operand): Use SUBREG_BYTE.
289 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
290 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
291 (arm_reload_out_hi): Use SUBREG_BYTE.
292 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
293 instead of SUBREG_WORD.
294 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
295 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
296 SUBREG creation to use byte offset.
297 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
298 inverted load insns): Fix explicit rtl subregs to use byte
300 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
301 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
302 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
303 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
305 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
306 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
307 offsets, also make sure it is congruent to SUBREG's mode size.
308 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
309 unnamed ldob insn): Generate SUBREGs with byte offset.
310 (zero_extendqihi2): SUBREG's are byte offsets.
311 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
312 (m68hc11_gen_highpart): Use SUBREG_BYTE.
313 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
314 zero-extendqisi2): Generate SUBREGs with byte offset.
315 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
316 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
317 subregs in rtl to use byte offsets.
318 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
319 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
320 (mips_move_2words): Use subreg_regno_offset.
321 (mips_secondary_reload_class): Use subreg_regno_offset.
322 * config/mips/mips.md (DImode plus, minus, move, and logical op
323 splits): Fixup explicit subregs in rtl to use byte offsets.
324 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
325 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
326 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
327 rtl to use byte offsets.
328 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
329 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
330 subregs to use byte offsets.
331 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
332 Fixup explicit subregs in rtl to use byte offsets.
333 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
334 and remove byte endian correction code.
335 * config/sh/sh.c (output_movedouble): Use subreg_regno.
336 (gen_ashift_hi): Use SUBREG_BYTE.
337 (regs_used): Use subreg_regno_offset.
338 (machine_dependent_reorg): Use subreg_regno_offset.
339 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
340 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
341 (movdf_i4): Subregs are byte offsets now.
342 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
343 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
344 (REGMODE_NATURAL_SIZE): Override.
345 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
346 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
348 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
349 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
350 extendqidi2): Generate SUBREGs with byte offsets, also make sure
351 it is congruent to SUBREG's mode size.
352 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
354 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
355 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
356 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
357 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
358 * config/v850/v850.c (print_operand, output_move_double): Use
359 subreg_regno function.
361 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
363 * configure.in (target_subdir): Use target_alias, not target.
364 * configure: Rebuilt.
366 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
368 * config/sh/crti.asm: Fix typos in comments.
370 2001-04-03 Alan Modra <alan@linuxcare.com.au>
372 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
373 TARGET_FAST_INDIRECT_CALLS.
374 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
376 (return_addr_rtx): Short circuit export stub matching when
377 TARGET_NO_SPACE_REGS.
378 (output_millicode_call): For out of range calls, make -fPIC
379 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
380 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
381 * pa.md: Modify length attr calculation of all millicode insns to
384 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
386 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
387 Require at least 2.11 in the version test. Specifically check
388 for and reject GAS version 2.10.90.
389 * configure: regenerate.
391 2001-04-03 Alan Modra <alan@linuxcare.com.au>
393 * pa.c (override_options): Remove PIC profiling warning.
394 (hp_profile_labelno): Delete.
395 (hp_profile_label_rtx): Delete.
396 (hp_profile_label_name): Delete.
397 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
398 (output_function_prologue): Remove profiling code and all tests on
399 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
400 merge_sp_adjust_with_store can work for PIC and profiling.
401 (hppa_expand_epilogue): Remove profile_flag test.
402 (hppa_can_use_return_insn_p): Likewise.
403 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
404 cater for PROFILE_HOOK.
405 (hppa_profile_hook): New function.
406 * pa.h (FUNCTION_PROFILER): Now does nothing.
407 (PROFILE_HOOK): Define.
408 (hppa_profile_hook): Declare.
409 (PROFILE_BEFORE_PROLOGUE): Delete.
410 (ASM_OUTPUT_REG_PUSH): Delete.
411 (ASM_OUTPUT_REG_POP): Delete.
412 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
413 r24. Accept function name operand, and use this and a locally
414 generated label to calculate pc-rel offset to func start.
416 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
419 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
422 2001-04-03 Alan Modra <alan@linuxcare.com.au>
424 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
425 LO_SUM cases to where they belong.
427 2001-04-02 Richard Henderson <rth@redhat.com>
429 * except.h (lang_eh_type_covers): Mark extern.
430 (lang_eh_runtime_type): Likewise.
432 2001-04-02 Zack Weinberg <zackw@stanford.edu>
434 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
435 gengenrtl.c: Wrap generated header in multiple-include guard.
436 Improve error checking.
438 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
440 * configure.in: Don't check for putenv.
441 * configure: Regenerate.
442 * gcc.c (putenv): Don't define.
443 * vax/xm-vms.h: Handle putenv.
445 2001-04-02 Jakub Jelinek <jakub@redhat.com>
447 * ifcvt.c (noce_emit_move_insn): New.
448 (noce_try_store_flag, noce_try_store_flag_constants,
449 noce_try_store_flag_inc, noce_try_store_flag_mask,
450 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
451 noce_try_abs): Use it.
452 (noce_process_if_block): Likewise.
453 For STRICT_LOW_PART, take mode from its SUBREG.
455 2001-04-02 Jakub Jelinek <jakub@redhat.com>
457 * fold-const.c (fold): Before optimizing unsigned comparison with
458 0x7fffffffU, make sure arg0 is integral type.
460 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
462 * c-tree.texi: Document representation of wide strings.
464 2001-04-01 Richard Henderson <rth@redhat.com>
466 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
468 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
470 * i386.md: remove obsoleted comments.
471 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
472 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
475 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
477 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
479 2001-03-30 Bernd Schmidt <bernds@redhat.com>
481 * loop.c (load_mems): When generating a load from a pseudo, update
484 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
486 * i386.c (ix86_split_long_move): Use change address to compensate
487 stack pointer change in push instruction.
489 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
491 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
492 instead of rtx_equal_p; fix the output template.
494 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
496 * i386.c (ix86_expand_setcc): Support 64bit.
497 (ix86_expand_int_movcc): Likewise.
498 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
501 * i386.md (allocate_stack_worker): Turn to expander.
502 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
504 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
506 2001-03-29 Richard Henderson <rth@redhat.com>
508 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
510 2001-03-28 Matthew Hiller <hiller@redhat.com>
512 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
515 * MAINTAINERS: Added self.
517 2001-03-28 Richard Henderson <rth@redhat.com>
519 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
520 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
522 2001-03-28 Jim Wilson <wilson@redhat.com>
524 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
527 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
531 * tradcif.y (yyerror): Likewise. Add format specifier in call to
534 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
536 2001-03-28 DJ Delorie <dj@redhat.com>
538 * Makefile.in (stage1_build): Revert CFLAGS patch.
540 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
542 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
543 when multiplier or multiplicand is zero.
545 2001-03-28 Bernd Schmidt <bernds@redhat.com>
547 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
549 * config/ia64/ia64.c (update_set_flags): New function, broken out of
551 (set_src_needs_barrier): Likewise.
552 (rtx_needs_barrier): For SET case, use these two functions. Rework
553 PARALLEL case to handle all inputs before all outputs.
554 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
555 saw a label and no stop bit since then.
556 (maybe_rotate, process_epilogue): Add prototypes.
558 2001-03-28 Richard Henderson <rth@redhat.com>
560 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
561 not TARGET_TOC for special toc restore handling.
562 * config/rs6000/rs6000.md (eh_return): Likewise.
564 2001-03-28 Richard Henderson <rth@redhat.com>
566 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
567 current_function_calls_eh_return.
568 (output_function_epilogue): Handle eh_return.
569 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
570 (EH_RETURN_DATA_REGNO): New.
571 (EH_RETURN_STACKADJ_RTX): New.
572 (EH_RETURN_HANDLER_RTX): New.
573 * config/sparc/sparc.md (call/short branch peepholes): Check
574 can_throw_internal instead of in_same_eh_region.
576 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
577 for eh_return data registers.
578 (rs6000_emit_prologue): Save eh_return data registers.
579 (rs6000_emit_epilogue): Force inline restores if eh_return.
580 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
581 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
582 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
583 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
585 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
586 (return_eh_si, return_eh_di): Remove.
587 (eh_return): New, from corpse of eh_epilogue.
588 (eh_set_lr_si, eh_set_lr_di): New.
590 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
591 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
592 True for pic register if current_function_calls_eh_return.
593 (ix86_expand_epilogue): Change "emit_return" argument into "style".
594 Handle eh_return requirements.
595 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
596 (EH_RETURN_STACKADJ_RTX): New.
597 * config/i386/i386.md (exception_receiver): Remove.
598 (eh_return, eh_return_1): New.
599 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
601 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
602 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
603 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
604 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
605 (EH_RETURN_DATA_REGNO): New.
606 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
607 * config/alpha/alpha.md (eh_epilogue): Remove.
608 (exception_receiver): Use $26 for ldgp input.
609 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
611 2001-03-28 Richard Henderson <rth@redhat.com>
613 * except.c: Rewrite entirely for IA-64 ABI exception handling.
614 * except.h: Likewise.
616 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
618 (LIB2FUNCS_EH): Remove.
619 (LIB2ADD): Remove LIB2ADDEH.
620 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
621 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
622 (crt{begin,end}[S].o): Likewise.
623 (except.o): Update includes.
624 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
625 (libgcc2_c_dep): Use LIB2ADDEHDEP.
627 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
628 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
629 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
630 * builtins.c (expand_builtin): Implement it.
631 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
632 * c-common.c (c_common_nodes_and_builtins): Declare it.
633 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
634 * calls.c (libfunc_nothrow): Remove.
635 (emit_library_call_value_1): Don't call it.
636 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
637 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
638 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
639 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
640 (current_funcdef_number): Globalize.
641 (output_call_frame_info): Emit frame data if an lsda is needed.
642 Generate augmentation for personality routine. Don't play with
644 (dwarf2out_begin_prologue): Record funcdef_number.
645 * dwarf2out.h (current_funcdef_number): Declare.
646 * expr.c (expand_expr): Update for except.h name changes.
647 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
648 * expr.h (LTI_throw, LTI_rethrow): Remove.
649 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
650 (LTI_eh_rtime_match): Remove.
651 (LTI_unwind_resume, LTI_eh_personality): Add.
652 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
653 * final.c (final): Don't call check_exception_handler_labels,
654 init_insn_eh_region, or free_insn_eh_region.
655 (final_scan_insn): Always emit debug labels for
656 NOTE_INSN_EH_REGION notes.
657 * flags.h (flag_new_exceptions): Remove.
658 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
659 (record_active_eh_regions): Remove.
660 (count_basic_blocks): Check all instructions for REG_EH_REGION.
661 Use can_throw_internal.
662 (find_basic_blocks_1): Likewise.
663 (move_stray_eh_region_notes): Remove.
664 (find_label_refs): No eh_return_stub_label.
665 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
666 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
668 (delete_unreachable_blocks): Don't track deleted handlers.
669 (flow_delete_block): Use maybe_remove_eh_handler.
670 (delete_eh_regions): Remove.
671 (merge_blocks): Don't check for eh region match.
672 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
673 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
674 (init_propagate_block_info): Disable dead frame store optimization
675 when current_function_calls_eh_return.
676 (dump_bb): Don't print eh_beg, eh_end.
677 * function.c (fixup_var_refs): No catch_clauses.
678 (expand_function_end): Likewise. Call expand_eh_return before
679 the return register use. Call sjlj_emit_function_exit_after.
680 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
681 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
682 * ifcvt.c (dead_or_predicable): Remove eh region check.
683 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
684 Don't check for EH vs parameters.
685 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
686 (expand_inline_function): Call duplicate_eh_regions.
687 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
688 (copy_insn_notes): Remap REG_EH_REGION notes.
689 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
690 * integrate.h (struct inline_remap): Add local_return_label.
691 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
692 check_exception_handler_labels, nor exception_optimize.
693 (find_cross_jump): No EH region check.
694 * optabs.c (init_optabs): Update for changed eh libfuncs.
695 * rtl.def (RESX): New.
696 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
697 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
698 checks. Update for except.h name changes.
699 (expand_cleanups): Likewise.
700 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
701 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
702 (compile_file): Call init_eh before init_optabs. Don't
703 output_exception_table here.
704 (rest_of_compilation): Call convert_from_eh_region_ranges,
705 convert_to_eh_region_ranges, output_function_exception_table.
706 Don't emit_eh_context.
707 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
710 * md.texi (eh_epilogue): Remove.
711 (eh_return): Document.
712 * tm.texi (EH_RETURN_DATA_REGNO): Document.
713 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
715 * eh-common.h: Remove file.
716 * frame-dwarf2.c, frame.c, frame.h: Remove files.
717 * libgcc2.c (L_eh): Remove.
719 * unwind-dw2-fde.c: New file, largely copied from frame.c.
720 * unwind-dw2-fde.h: New file.
721 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
722 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
723 * libgcc-std.ver: Update for eh symbols.
725 2001-03-27 Richard Henderson <rth@redhat.com>
727 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
728 reduce false positives.
729 (regmove_optimize): Disable if flag_non_call_exceptions.
731 * stmt.c (expand_return): Remove always true predicate.
732 (expand_decl_cleanup_no_eh): Remove dead code.
734 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
735 barrier code. Add a scheduling barrier if a non-call insn
736 can throw internally.
738 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
739 Auto-inc addresses trap only if their base register does.
741 * except.c (can_throw_internal): Rename from can_throw.
742 * except.h, resource.c: Update references.
744 * integrate.c (copy_insn_list): Use returnjump_p.
745 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
747 * function.h (struct function): Move all boolean valued fields
748 to single bit fields at the end of the struct.
750 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
752 Rename asynchronous_exceptions to flag_non_call_exceptions.
754 * gthr-single.h (UNUSED): New. Distinguish between how C
755 and C++ mark unused function arguments. Use throughout.
757 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
758 value to target configuration header.
759 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
760 * config.in, configure: Rebuild.
761 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
762 configuration and target defines.
763 (exceptions_via_longjmp): Remove.
764 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
765 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
767 * except.h (flag_non_call_exceptions): Move ...
770 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
771 exceptions, put the note on the trapping instruction.
773 * flags.h (flag_new_exceptions): Remove.
774 * toplev.c: Don't set it.
775 * final.c: Don't check it.
776 * except.c: Provide stub definition.
778 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
779 (calculate_global_regs_live): Kill call-clobbered registers
780 across exception edges.
781 * reg-stack.c (convert_regs_1): Kill the entire target stack
782 across non-call exception edges.
784 * flow.c (cleanup_cfg): Take no argument.
785 * output.h, sibcall.c, toplev.c: Update all calls.
787 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * configure.in: Don't check for bcopy.
790 * configure, config.in: Regenerate.
792 * system.h: Don't define or prototype bcopy, instead poison it.
794 2001-03-27 Richard Henderson <rth@redhat.com>
796 * function.c (expand_function_start): Set DECL_REGISTER on
797 a pseudo used for DECL_RESULT.
799 * rtl.h (LCT_NORETURN): New.
800 * calls.c (emit_library_call_value_1): Handle it.
802 2001-03-27 Stan Shebs <shebs@apple.com>
804 * objc/objc-act.c (objc_init): Use dump_base_name.
805 (gen_declaration): Clear the buffer arg.
806 (gen_declaration_1): New function, body of gen_declaration.
807 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
808 (gen_method_decl): Ditto, plus always clear buffer arg.
809 (error_with_ivar): Simplify.
810 (warn_with_method): Ditto.
811 (build_message_expr): Don't clear buffers.
812 (dump_interface): Ditto.
814 (build_keyword_selector): Clear the buffer by only zeroing
816 (objc_implementation_context): Declare.
817 (start_class): Warn about missing @end.
818 (finish_objc): Ditto.
820 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
822 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
824 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * Makefile.in (SYSTEM_H): Define.
827 Depend on $(SYSTEM_H), not system.h.
829 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
831 2001-03-27 Jim Wilson <wilson@redhat.com>
833 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
835 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
836 (process_epilogue): New static function.
837 (process_set): Call process_epilogue instead of emitting .restore
839 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
841 * flow.c (struct reg_cond_life_info): New fields orig_condition
843 (init_propagate_block_info): Set new fields.
844 (mark_regno_cond_dead): Set and use new fields.
845 (flush_reg_cond_reg_1): Likewise.
846 (and_reg_cond, case AND): Check for redundant AND conditions.
847 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
850 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
852 * cppmacro.c (stringify_arg): Null terminate strings.
854 2001-03-27 Zack Weinberg <zackw@stanford.edu>
856 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
857 inclusion style. xm-m68hc11.h no longer exists.
858 * config/m68hc11/xm-m68hc11.h: Delete file.
859 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
861 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
862 Don't define GCC_VERSION, N_, or PARAMS; don't include
863 gansidecl.h or stdio.h. Define inhibit_libc here.
864 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
865 Delete code conditioned on #if GCC_VERSION == 2095.
867 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
868 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
869 Delete code conditioned on #if GCC_VERSION == 2095.
871 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 * system.h: Include symcat.h.
874 (STRINGIFY): Don't define.
876 * configure.in: Adjust comment.
878 * builtins.c: Use STRINGX, not STRINGIFY.
879 * gencheck.c: Likewise.
880 * gengenrtl.c: Likewise.
881 * protoize.c: Likewise.
883 * cpplex.c: Don't include symcat.h.
884 * cpplib.c: Likewise.
886 * gansidecl.h (HAVE_STRINGIZE): Don't define.
888 2001-03-27 Alan Modra <alan@linuxcare.com.au>
890 * c-typeck.c (digest_init): Fold init expression.
892 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
896 2001-03-27 Alan Modra <alan@linuxcare.com.au>
898 * except.c (eh_regs): Save results of build_pointer_type to a temp
899 as FUNCTION_VALUE macro may evaluate its args multiple times.
901 2001-03-26 Mark Mitchell <mark@codesourcery.com>
903 * c-common.h (DECL_NUM_STMTS): New macro.
904 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
906 (pushdecl): Likewise.
907 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
908 * integrate.c (expand_inline_function): Don't check
910 * print-tree.c (print_node): Don't print it.
911 * toplev.c (rest_of_compilation): Don't try to inline when
912 flag_no_inline is on.
913 * tree.h (DECL_FRAME_SIZE): Remove.
914 (tree_decl): Adjust accordingly.
916 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * combine.c (try_combine): Use memcpy, not bcopy.
920 * genattrtab.c (expand_units): Likewise.
922 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
924 * i386.md (push mem DI peep2): New.
925 (mov 0, mov -1 peep2): Handle 64bit.
926 (lea to arithmetics peep2): Handle 64bit leas.
927 (rsp arithmetics to push/pop peep2s): New.
929 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
931 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
933 * i386.c (struct machine_function): Add save_varrargs_registers.
934 (ix86_save_varrargs_registers): New macro.
935 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
936 (ix86_expand_prologue): Likewise.
937 (ix86_emit_epilogue_esp_adjustement): Likewise.
938 (ix86_expand_epilogue): Likewise.
939 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
940 (pro_epilogue_adjust_stack_1): New insn.
941 (pro_epilogue_adjust_stack_rex64): Likewise.
942 * i386.h (MASK_NO_RED_ZONE): New constant.
943 (TARGET_RED_ZONE): New macro.
944 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
945 (RED_ZONE_SIZE): New constant.
946 (RED_ZONE_RESERVE): New constant.
948 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
950 * toplev.c (set_float_handler): Use memcpy, not bcopy.
952 2001-03-25 Kazu Hirata <kazu@hxi.com>
954 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
960 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * mkconfig.sh (DEFINES): Handle entries with '='.
964 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
965 Set xm_defines to MACRO=value instead.
967 * i370/xm-mvs.h: Delete.
969 * ns32k/xm-pc532-min.h: Likewise.
971 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
973 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
975 use ix86_expand_binary_operator
976 (?sh??i_?): Disable for 64bit.
977 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
978 * i386.c (shiftdi_operand): New predicate.
980 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
981 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
982 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
983 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
984 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
985 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
986 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
987 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
988 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
989 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
990 (rotldi3, rotrdi3): New expanders.
992 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
994 * i386.md (movstrsi): Move offline.
996 (strmovdi_rex64): New.
997 (strmov?i): Accept 64bit.
998 (strmov?i_rex64): New.
999 (strmov?i_rex_1): New.
1000 (strmov?i_1): Disable for 64bit.
1001 (rep_mov?i_rex64): New.
1002 (rep_mov?i): Disable for 64bit.
1003 (clrstrsi): Move offline.
1004 (strset?i_rex64): New.
1005 (strset?i: Accept 64bit.
1006 (rep_stos?i): Disable for 64bit.
1007 (rep_stos?i_rex64): New.
1008 (strset?i_rex_1): New.
1009 (strset?i_1): Disable for 64bit.
1010 (cmpstrsi): Accept 64bit.
1011 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1012 (cmpstrqi_nz_rex_1): New.
1013 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1014 (strlensi): Move offline.
1016 (strlenqi_1): Disable for 64bit; fix constraints.
1017 (strlenqi_rex_1): New.
1018 * i386.c (ix86_adjust_counter): New static function.
1019 (ix86_zero_extend_to_Pmode): Likewise.
1020 (ix86_expand_aligntest): Likweise.
1021 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1022 (ix86_expand_movstr): New global function.
1023 (ix86_expand_clrstr): New global function.
1024 (ix86_expand_strlen): New global function.
1025 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1026 ix86_expand_strlen): Declare.
1027 (ix86_expand_strlensi_unroll_1): Delete.
1029 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1031 * i386.md (cmpdi): Fix operand predicates.
1032 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1033 cmpdi_1_insn_rex64): New patterns.
1034 (adddi3): Turn to expander.
1035 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1036 (addsi3_carry_zext): New pattern.
1037 (adddi_?_rex64): New patterns and splitters.
1038 (addsi_?_zext): New patterns.
1039 (subsi3_carry_zext): New pattern.
1040 (subdi_?_rex64): New patterns and splitters.
1041 (iorsi_?_zext): New patterns.
1042 (iordi_?_rex64): New patterns and splitters.
1043 (iorsi_?_zext): New patterns.
1044 (iorsi_?_zext_imm): New patterns.
1045 (xorsi_?_zext): New patterns.
1046 (xordi_?_rex64): New patterns and splitters.
1047 (xorsi_?_zext): New patterns.
1048 (negdi*): New patterns.
1049 (one_cmpldi*): Likewise.
1050 (one_cmplsi*_zext, negsi*_zext): Likewise.
1051 (testqi_ext_3_rex64): New pattern.
1053 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1055 * i386-protos.h (ix86_split_long_move): Return void.
1056 * i386.c (ix86_split_to_parts): Handle 64bit target.
1057 (ix86_split_long_move): Likewise.
1058 * i386.md (all calls to ix86_split_long_move): Update.
1060 2001-03-23 Richard Henderson <rth@redhat.com>
1062 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1063 to avoid shadowing arguments.
1065 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1067 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1068 to variable names where DECL_NAME is different from
1069 DECL_ASSEMBLER_NAME.
1071 2001-03-23 Jim Wilson <wilson@redhat.com>
1073 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1074 (assemble_alias): Call make_decl_rtl.
1076 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1078 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1080 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1082 * extend.texi: Document the "java_interface" attribute.
1084 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1086 * mkconfig.sh: Use a subshell with redirected stdout,
1087 instead of closing stdout and confusing commands that run
1088 afterward. Throw away output of cmp.
1090 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1092 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1094 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1096 * i386.md (zero_extendsidi2_32): Break out from ...
1097 (zero_extendsidi2): ... here ; turn to expander.
1098 (zero_extendsidi2_rex64): New.
1099 (extendsidi2_32): Break out from ...
1100 (extendsidi2): ... here ; turn to expander.
1101 (extendsidi2_rex64): New.
1102 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1103 (trunc?f?f splitters): Add 64bit versions.
1105 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1107 * i386.md (pushsi, pushsi2_prologue): Disable.
1108 (pushsi2_rex64): New.
1109 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1110 (movqi_ext_1): Disable for 64bit.
1111 (movqi_ext_1_rex64): New.
1112 (pushdi2_rex64): New pattern, peep2s and splitter.
1113 (pushdi2_prologue_rex64): New pattern.
1114 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1116 (movdi splitters): Disable for 64bit.
1117 (movdi_1_rex64): New pattern, peep2s and splitters.
1118 (swapdi): New pattern.
1119 (pushsf): Disable for 64bit.
1120 (pushsf_rex64): New pattern and splitter.
1121 (pushdf_nointeger): Disable for 64bit.
1122 (pushdf_integer): Handle the 64bit case.
1123 (pushtf): Likewise; update splitters.
1125 2001-03-22 Richard Henderson <rth@redhat.com>
1127 * mkconfig.sh: Include insn-flags.h.
1128 * Makefile.in (CONFIG_H): Include insn-flags.h.
1129 (lots of objects): Remove insn-codes.h and insn-flags.h.
1131 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1132 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1133 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1134 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1135 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1136 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1137 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1138 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1139 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1140 v850/v850.c, vax/vax.c:
1141 Don't include insn-flags.h.
1143 * diagnostic.c, expr.h, reload.c, toplev.c:
1144 Don't include insn-codes.h.
1146 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1147 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1148 c4x/c4x.c, i960/i960.c, mips/mips.c:
1149 Don't include insn-codes.h or insn-flags.h.
1151 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1152 or insn-flags.h in the generated code.
1153 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1154 (main): Forward declare struct rtx_def.
1156 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1158 * invoke.texi (-ffast-math): Remove duplicate line about
1161 * gcc.texi: Remove more obsolete documentation of bugs and
1162 installation problems.
1164 2001-03-21 Kazu Hirata <kazu@hxi.com>
1166 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1169 2001-03-20 Jason Merrill <jason@redhat.com>
1171 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1173 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1174 * varasm.c (CHKR_PREFIX): Likewise.
1176 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1178 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1179 is part of a multi-SET insn.
1181 * cse.c (find_comparison_args): Remove previous change.
1182 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1185 * config/i386/i386.md (conditional_trap): Remove warning.
1187 * recog.c (push_operand): Fix error in last change that caused
1188 undefined symbol on many targets.
1190 * sdbout.c: #include ggc.h.
1191 (sdbout_init): Move to end of file.
1192 Call ggc_add_tree_root for anonymous_types.
1193 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1194 (sdbout_one_type): Use DECL_NAME for field name.
1195 * Makefile.in (sdbout.o): Show includes ggc.h.
1197 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1199 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1200 (override_options): Use properlimits for preferred_stack_boundary.
1201 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1203 (ext_register_operand): Accept DImode.
1204 (load_pic_register): Abort on 64bit.
1205 (gen_push): Use Pmode instead of SImode.
1206 (ix86_save_reg): Pic reg is never used on 64bit.
1207 (ix86_expand_prologue): Likewise.
1208 (ix86_emit_save_regs): Use Pmode instead of SImode.
1209 (legitimate_address_p): Check displacement for 64bit.
1210 (print_operand): Avoid outputting of (%rip) on 64bit.
1211 (print_operand_address): Output (%rip) where possible.
1212 (split_di): Abort on 64bit registers.
1213 (ix86_expand_branch): DImode comparison is simple for x86_64.
1214 (memory_address_length): Recognize memory addresses formed using
1216 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1218 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1220 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1222 * recog.c (push_operand): Recognize new format of push instructions.
1224 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1226 * i386.md (pushqi1): New.
1227 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1228 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1229 x86_64_immediate_operand, x86_64_immediate_operand,
1230 x86_64_zext_immediate_operand): Declare.
1231 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1232 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1233 x86_64_immediate_operand, x86_64_immediate_operand,
1234 x86_64_zext_immediate_operand): define.
1235 * i386.h (PREDICATE_CODES): Add new predicates.
1237 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1239 * i386.md (pophi1, popqi1, pushqi1): Remove.
1241 * expr.c (emit_single_push_insn): New function.
1242 (move_by_pieces): Accept NULL as destination for push instructions.
1243 (gen_push_operand): Kill.
1244 (emit_push_insn): Pass NULL when pushing; avoid updating of
1245 stack_pointer_delta.
1246 * expr.h (gen_push_operand): Kill.
1248 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1250 * rtl.texi (COMPARE): Clarify documentation and reference section
1253 2001-03-20 Stan Shebs <shebs@apple.com>
1255 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1256 (get_object_reference): Ditto.
1257 (error_with_ivar): Use error_with_file_and_line.
1258 (warn_with_method): Use warning_with_file_and_line.
1260 2001-03-20 Tom Tromey <tromey@redhat.com>
1262 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1264 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1266 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1267 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1269 2001-03-20 DJ Delorie <dj@redhat.com>
1271 * Makefile.in (install-libgcc): Pass complete list of variables.
1272 (install-multilib): Ditto.
1274 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1276 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1277 drectve_section, switch_to_section.
1279 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1280 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1281 i386_pe_mark_dllimport.
1283 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1285 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1286 functions i386_pe_*.
1288 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1289 i386_pe_* functions with char * arguments.
1291 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1293 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1295 (movsi_ie): Introduce fpul store.
1297 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1299 * Makefile.in (OBJS): Remove hashtab.o.
1301 2001-03-19 Stan Shebs <shebs@apple.com>
1303 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1304 * c-lang.c (maybe_objc_method_name): Ditto.
1305 * c-tree.h (maybe_objc_method_name): Remove decl.
1307 2001-03-19 Tom Tromey <tromey@redhat.com>
1309 * gcc.c (init_gcc_specs): Fix comment.
1311 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1313 Compute DECL_ASSEMBLER_NAME lazily.
1314 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1315 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1316 (SET_DECL_ASSEMBLER_NAME): Likewise.
1317 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1318 (set_decl_assembler_name): Declare.
1319 (lang_set_decl_assembler_name): Likewise.
1320 * tree.c (lang_set_decl_assembler_name): New variab.e
1321 (set_decl_assembler_name): New function.
1322 (init_obstacks): Set lang_set_decl_assembler_name.
1323 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1324 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1325 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1326 where it's not necessary.
1327 (builtin_function): Likewise.
1328 (finish_decl): Likewise.
1329 * dbxout.c (dbxout_type_methods): Likewise.
1330 * ggc-common.c (ggc_mark_trees): Likewise.
1331 * profile.c (output_func_start_profiler): Likewise.
1332 * varasm.c (make_decl_rtl): Likewise.
1334 * cse.c (find_comparison_args): Update documentation. Fix
1335 mishandling of COMPARE operations.
1337 * tree.def (ABS_EXPR): Add documentation.
1338 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1340 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1342 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1344 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1346 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1347 Remove ia32 linux PIC kludge and move it...
1348 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1350 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1352 * i386.md (absdf2 expander): Fix 64bit case.
1354 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1356 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1358 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1360 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1362 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1364 * README.X11: Remove obsolete file.
1366 2001-03-18 Anthony Green <green@redhat.com>
1368 * config/pj/pj.h: Remove some trailing commas.
1369 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1371 2001-03-18 Richard Henderson <rth@redhat.com>
1373 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1374 * calls.c: ... here.
1375 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1376 defaults for them here.
1378 2001-03-17 Anthony Green <green@redhat.com>
1380 * config/pj/lib1funcs.S: Fix broken comment.
1381 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1384 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1386 * gcc.texi: Remove obsolete information relating to build and
1387 installation problems with enquire or the Pyramid C compiler.
1389 2001-03-17 Richard Henderson <rth@redhat.com>
1391 * dwarf2out.c (queue_reg_save): New.
1392 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1393 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1395 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1396 (cfa, cfa_store, cfa_temp): Make static.
1397 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1399 2001-03-17 Richard Henderson <rth@redhat.com>
1401 * integrate.h (struct inline_remap): Add local_return_label.
1402 * integrate.c (expand_inline_function): Initialize it and emit
1403 it after copy_insn_notes.
1404 (copy_insn_list): Don't store local_return_label here.
1405 (copy_insn_notes): New function split out from copy_insn_list.
1407 2001-03-17 Richard Henderson <rth@redhat.com>
1409 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1410 is generating .debug_line.
1411 (dwarf2out_init): Add main_input_filename to the file table first.
1412 * configure.in (as_dwarf2_debug_line): Test with file number 1
1413 instead of file number 0.
1415 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1417 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1418 (gen_rtx_combine): Deleted; all references changed as appropriate.
1419 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1421 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1423 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1425 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1428 2001-03-16 Jim Wilson <wilson@redhat.com>
1430 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1431 then set it to LOC_REG (79) instead of aborting.
1433 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1435 * gccbug.in: Remove high priority.
1437 2001-03-16 Richard Henerson <rth@redhat.com>
1439 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1440 output with a space instead of deleting it.
1441 * configure: Regenerate.
1443 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1445 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1446 handles the gory details of converting an object file into
1447 something that's safe to grep.
1448 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1449 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1450 newlines at either end of the string we're looking for.
1451 Make 'checking ...' message less stilted.
1452 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1453 ARM in-memory layout and its hypothetical converse. Don't
1454 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1455 HOST_WORDS_BIG_ENDIAN.
1457 * configure.in: Adjust for renamed macro. Move
1458 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1459 * configure, config.in: Regenerate.
1461 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1463 * fixinc/Makefile.in: Set SHELL.
1465 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1467 * fixinc/fixincl.c (fix_with_system): Quote file names before
1468 passing them to shell.
1470 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1472 * Makefile.in: Use fix-header$(build_exeext) instead
1475 2001-03-16 Richard Henderson <rth@redhat.com>
1477 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1478 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1479 (size_of_line_prolog): Remove.
1480 (output_line_info): Compute prologue size via label difference.
1481 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1483 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1484 assembler error when redefining file numbers.
1485 * config.in, configure: Rebuild.
1487 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1488 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1489 (dw2_asm_output_delta_uleb128): Likewise.
1490 (dw2_asm_output_delta_sleb128): Similarly.
1491 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1493 2001-03-16 Michael Meissner <meissner@redhat.com>
1495 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1497 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1499 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1501 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1502 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1503 being unsigned in ISO C and signed in traditional.
1504 (expand_prologue): Ditto.
1505 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1507 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1509 (divsi3,divdi3): Ditto.
1510 (modsi3,moddi3): Ditto.
1511 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1512 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1513 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1516 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1518 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1519 SSE based conditional moves on LTGT/UNEQ conditions;
1520 Canonicalize EQ to NE.
1521 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1522 (sse_mov?fcc_ne): New.
1524 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1526 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1528 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1529 register may be dead.
1531 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1533 * Makefile.in (hash.o): Depend on CONFIG_H.
1535 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1537 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1539 2001-03-15 Richard Henderson <rth@redhat.com>
1541 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1542 (ASM_OUTPUT_DWARF_PCREL): New.
1543 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1545 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1547 * cppfiles.c (stack_include_file): Use MAX of sysp.
1549 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1551 * config.gcc (ia64*-*-hpux*): New case.
1552 * config/ia64/hpux.h: New file for HP-UX support.
1553 * config/ia64/t-hpux: New file for HP-UX support.
1555 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1557 * fixinc/inclhack.def (irix_stdio_va_list): New.
1558 * fixinc/fixincl.x: Rebuilt.
1560 2001-03-15 Richard Henderson <rth@redhat.com>
1562 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1563 if provided by the target.
1564 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1565 (dw2_asm_output_addr): New.
1566 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1567 * dwarf2out.c (output_cfi): Use it for program addresses.
1568 (output_call_frame_info, output_die): Likewise.
1569 (output_aranges, output_line_info): Likewise.
1571 2001-03-15 Bruce Korb <bkorb@gnu.org>
1573 * gcc.c(main): make more rigorous
1574 * collect2.c(main): guard against ignoring SIGCHLD
1575 * protoize.c(main): ditto
1576 * gcc/fixinc/fixincl.c(initialize): ditto
1578 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1580 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1581 (sdbout_parms): Likewise.
1583 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1585 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1586 "widen" a destination that is already wider than a word. Also do
1587 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1589 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1591 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1593 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1595 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1597 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1599 * i960.h (i960_maxbitalignment,
1600 i960_last_maxbitalignment): Declare.
1601 * i960.c (i960_maxbitalignment,
1602 i960_last_maxbitalignment): Make global.
1603 (process_pragma): Delete.
1604 (i960_pr_align, i960_pr_noalign): Move from here ...
1605 * i960-c.c: ... to this new file.
1606 * t-960bare (i960-c.o): New rule.
1607 * t-vxworks960 (i960-c.o): Likewise.
1608 * config.gcc (i960-*-*): Define c_target_objs and
1611 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1613 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1614 without adding in rtx code and mode.
1616 * alias.c (init_alias_analysis): Don't use any rtx whose value
1617 varies as a known value.
1618 Delete a superfluous test.
1620 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1622 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1623 scheduling a stop bit.
1624 (ia64_emit_nops): Correctly handle ASMs.
1626 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1628 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1630 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1632 * cpp.texi: Update documentation for -include and -imacros.
1633 * cppfiles.c (struct include_file): Remove "defined" memeber.
1634 (find_or_create_entry): Make a copy of the file name, and
1636 (open_file): Update to ensure we use the simplified filename.
1637 (stack_include_file): Don't set search_from.
1638 (cpp_included): Don't simplify the path name here.
1639 (find_include_file): New prototype. Call search_from to
1640 get the start of the "" include chain. Don't simplify the
1642 (_cpp_execute_include): New prototype. Move diagnostics to
1643 do_include_common. Update.
1644 (_cpp_pop_file_buffer): Don't set defined.
1645 (search_from): New prototype. Use the preprocessor's cwd
1646 for files included from the command line.
1647 (read_name_map): Don't simplify the pathname here.
1648 * cpphash.h (enum include_type): New.
1649 (struct buffer): Delete search from. New search_cached.
1650 (_cpp_execute_include): Update prototype.
1651 * cppinit.c (do_includes): Use _cpp_execute_include.
1652 * cpplib.c (do_include_common): New function.
1653 (do_include, do_include_next, do_import): Use it.
1655 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1657 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1658 contents of the RTL, to determine the name of the object.
1660 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1662 * tree.h (DECL_RTL): Allocate RTL lazily.
1663 (SET_DECL_RTL): New macro.
1664 (DECL_RTL_SET_P): Likewise.
1665 (COPY_DECL_RTL): Likewise.
1666 (DECL_RTL_IF_SET): Likewise.
1667 * varasm.c (make_decl_rtl): Add assertions about the kind of
1668 declaration we are processing.
1669 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1670 (start_decl): Likewise.
1671 (finish_decl): Likewise.
1672 * c-semantics.c (emit_local_var): Likewise.
1673 * calls.c (expand_call): Likewise.
1674 * dbxout.c (dbxout_symbol): Likewise.
1675 * emit-rtl.c (unshare_all_rtl): Likewise.
1676 (unshare_all_decls): Likewise.
1677 (reset_used_decls): Likewise.
1678 * expr.c (store_constructor): Likewise.
1679 (safe_from_p): Likewise.
1680 (expand_expr): Likewise.
1681 * function.c (put_var_into_stack): Likewise.
1682 (instantiate_decls_1): Likewise.
1683 (assign_parms): Likewise.
1684 (expand_function_start): Likewise.
1685 (expand_function_end): Likewise.
1686 * ggc-common.c (gcc_mark_trees): Likewise.
1687 * integrate.c (function_cannot_inline_p): Likewise.
1688 (copy_decl_for_inlining): Likewise.
1689 (expand_inline_function): Likewise.
1690 (integrate_parm_decls): Likewise.
1691 (integrate_decl_tree): Likewise.
1692 * print-tree.c (print_node): Likewise.
1693 * reg-stack.c (stack_result): Likewise.
1694 * stmt.c (label_rtx): Likewise.
1695 (expand_return): Likewise.
1696 (expand_decl): Likewise.
1697 (expand_decl_cleanup): Likewise.
1698 (expand_anon_union_decl): Likewise.
1699 * toplev.c (check_global_declarations): Likewise.
1700 (rest_of_decl_compilation): Likewise.
1701 * tree.c (simple_cst_equal): Likewise.
1702 * objc/objc-act.c (generate_static_references): Likewise.
1704 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1706 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1707 gcc_AC_C_FLOAT_FORMAT): New macros.
1708 * configure.in: Add AC_PROG_CPP after CC tests;
1709 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1710 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1711 * configure, config.in: Regenerate.
1713 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1714 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1715 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1716 config/i370/xm-linux.h, config/i370/xm-oe.h,
1717 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1718 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1719 config/pa/xm-linux.h, config/pa/xm-pa.h,
1720 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1721 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1722 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1723 config/we32k/xm-we32k.h: Delete.
1725 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1726 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1727 config/vax/xm-vms.h: Don't define any of:
1728 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1730 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1732 * config.gcc: Remove references to deleted files.
1733 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1734 FATAL_EXIT_CODE, which is the same between oe and mvs).
1736 2001-03-14 DJ Delorie <dj@redhat.com>
1737 Vladimir Makarov <vmakarov@redhat.com>
1739 * config/i960/i960.c (i960_function_prologue): Compute size of
1740 frame according to number of registers actually saved there.
1742 2001-03-14 Richard Henderson <rth@redhat.com>
1744 * expr.c (emit_move_insn_1): Fix else if around #endif.
1746 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1749 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1752 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1754 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1755 (override_options): Parse cmodel string.
1756 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1757 * i386.h (TARGET_OPTIONS): Add "cmodel".
1758 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1760 (ix86_cmodel_string, ix86_cmodel): Declare.
1762 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1765 * i386.h (GENERAL_REG_P): Add missing REG_P.
1767 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1769 * configure.in: Use $gcc_cv_as instead of $as.
1770 * configure: Regenerated.
1772 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1774 * cppfiles.c (stack_include_file): Only increase the include
1775 count if we actually process the file properly, as opposed
1776 to treating it as length zero. Only call read_include_file
1777 if not DO_NOT_REREAD. Handle the -H include file output
1779 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1780 (cpp_included, find_include_file): Simplify pathnames after
1781 remapping them. If remapping, don't use the remapped file
1782 name's buffer as our scratch buffer.
1783 (cpp_pop_file_buffer): Replace the multiple include macro
1784 only if it isn't yet set.
1785 (read_name_map): Simplify remapped names when reading in.
1786 (remap_filename): Move code to code path that uses it.
1787 (_cpp_simplify_pathname): Return the input pointer.
1788 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1790 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1792 * expr.c (expand_expr): Revove bogus conditional.
1794 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1796 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1798 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1800 * reg-stack.c (stack_result): Unconditionally use
1801 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1803 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1805 * expr.c (emit_move_insn_1): Split push of complex value when
1806 no suitable push instruction exist.
1808 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1809 instead of QI_REG_P.
1811 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1813 * alias.c (handled_component_p, can_address_p): New functions.
1814 (get_alias_set): Use them.
1816 2001-03-13 Jim Wilson <wilson@redhat.com>
1818 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1819 from 80 in try_locals code.
1820 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1822 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1824 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1825 gcc_AC_C_LONG_LONG): New.
1826 * configure.in: Use them. Probe the size of short, int, long,
1827 and long long/__int64 if we have them. Move all the AC_C_*
1828 checks together, except gcc_AC_C_CHAR_BIT which has to go
1829 after AC_CHECK_HEADERS(limits.h).
1830 Take hwint.h out of host_xm_file and build_xm_file.
1832 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1833 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1834 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1835 Move the HOST_WIDEST_INT setup logic here from system.h.
1836 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1838 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1839 is now handled by hwint.h.
1841 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1842 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1843 config/ia64/xm-ia64.h: Don't define any of:
1844 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1845 HOST_BITS_PER_LONGLONG.
1847 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1848 config/h8300/xm-h8300.h, config/mips/iris6.h,
1849 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1850 config/sparc/xm-sp64.h: Delete.
1851 * config.gcc: Remove references to deleted files.
1853 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1854 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1855 * config/i370/xm-linux.h: Clarify floating-point situation in
1858 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1860 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1861 (find_include_file): Decide here which part of the include
1862 chain to start the search. Complain about an empty include
1863 chain in all cases apart from an abolsute file name.
1864 (_cpp_execute_include): Don't choose the search chain here.
1865 Don't call handle_missing_include in the case of an empty
1867 (_cpp_compare_file_date): Don't choose the search chain here.
1868 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1869 here from _cpp_execute_include. Behave like #include if
1870 we're in the main file.
1872 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1874 * system.h (malloc, realloc, calloc, strdup): Only poison these
1875 tokens when IN_GCC is defined.
1877 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1879 * i386.md (abs?f expander): Support SSE case.
1880 (abd?f_if): Add new "USE"; add splitters.
1882 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1884 * cpp.texi (poison): Explain the macro expansion exception.
1886 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1888 * expr.c (store_expr): Add dont_store_target. If temp is already in
1889 target before copying to reg, don't store it into target again.
1891 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1893 * cppinternals.texi: Update for file handling.
1895 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1897 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1898 2001-02-24 which broke building the Java library.
1899 * function.c (identify_blocks): Likewise.
1900 (all_blocks): Likewise.
1901 * integrate.c (integrate_decl_tree): Likewise.
1902 * print-tree.c (print_node): Likewise.
1903 * tree.h (BLOCK_NUMBER): Likewise.
1904 (struct tree_block): Likewise.
1906 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1908 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1909 __WCHAR_TYPE__ definition.
1910 (WCHAR_TYPE_SIZE): #undef before #define.
1912 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1914 * cppfiles.c: Update comments.
1915 (destroy_include_file_node): Rename destroy_node.
1916 (find_or_create_entry): New function.
1917 (open_file, _cpp_fake_include): Use it.
1918 (handle_missing_header): New function, broken out of
1919 _cpp_execute include. Don't segfault if there is no
1920 system or quoted path.
1921 (_cpp_execute_include): Use handle_missing_header.
1923 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1925 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1926 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1928 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1930 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1931 unless anti_dependence says they are.
1932 * alias.c (objects_must_conflict): If neither has a type specified,
1935 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1936 David Billinghurst <David.Billinghurst@riotinto.com>
1938 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1940 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1942 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1943 (*_one_bit): Remove type on the match_operand in attributes.
1945 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1947 * i386.c: Commit forgotten hunk in previous patch.
1948 (regclass_map): Add extended registers.
1949 (dbx_register_map): Add missing frame register.
1951 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1953 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1955 * i386.md (x86_sahf_1): Disable for 64bit.
1956 (popsi*, pophi*): Likewise.
1957 (pushqi, pushhi): Likewise.
1958 (movdi, pushdi): Likewise.
1959 (zero extend DImode splitter): Likewise.
1960 (adddi, minusdi splitter): Likewise.
1961 (umulsidi): Likewise.
1963 (mulsidi): Disable for 64bit
1964 (lshift:DI/ashift:DI): Disable for 64bit.
1965 (loop patterns): Likewise.
1966 (call_pop, call_value_pop expanders and patterns): Likewise.
1967 (prologue_get_pc): Likewise.
1969 (fcmovDI pattern and splitter): Likewise.
1970 (movdfcc_1_rex64): New.
1972 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1974 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1975 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1976 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1977 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1978 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1979 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1980 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1981 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1982 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1983 (REGPARM_MAX): Set to 6 for x86_64.
1984 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1985 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1988 * (patterns that does use upper halves): Update constraints
1989 'q' to 'Q' and 'r' to 'R'.
1990 (cmpqi_ext_1): Disable for 64bit.
1991 (cmpqi_ext_3_insn): Likewise.
1992 (movqi_extzv_1): Likewsie.
1993 (addqi_ext_1): Liekwsie
1994 (testqi_ext_1): Liekwsie
1995 (andqi_ext_1): Liekwsie
1996 (xorqi_ext_1): Liekwsie
1997 (cmpqi_ext_1_rex64): New.
1998 (cmpqi_ext_3_insn_rex64): Likewise.
1999 (movqi_extzv_1_rex64): Likewsie.
2000 (addqi_ext_1_rex64): Liekwsie
2001 (testqi_ext_1_rex64): Liekwsie
2002 (andqi_ext_1_rex64): Liekwsie
2003 (xorqi_ext_1_rex64): Liekwsie
2005 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2007 * configure.in: Move check for unsigned enumerated bitfields
2008 to macro in aclocal.m4. Disable it for now.
2009 * configure, config.in: Regenerate.
2010 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2011 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2012 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2013 kind above its first use.
2015 * config/xm-interix.h, config/alpha/xm-alpha.h,
2016 config/i370/xm-linux.h, config/i386/xm-beos.h,
2017 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2018 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2019 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2020 Don't define ONLY_INT_FIELDS under any circumstances.
2022 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2024 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2025 config/sparc/xm-sysv4.h: Delete - now identical with some
2027 * config.gcc (hppa targets): Replace xm-pahpux.h and
2028 xm-papro.h with implicit xm-pa.h.
2029 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2032 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2034 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2035 before reload_cse_noop_set_p.
2037 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2039 * config.gcc: Where xm-host.h used to include another
2040 xm-host.h, list the nested header directly in xm_file. Remove
2041 references to deleted files. Can now use sparc/xm-sp64.h for
2044 * config/xm-linux.h, config/arm/xm-linux.h,
2045 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2046 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2047 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2048 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2049 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2052 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2053 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2054 bother to wrap #undef in #ifdef.
2055 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2056 Don't include xm-linux.h.
2057 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2059 * configure.in: Wrap regexps using [] in changequote block.
2060 Use expr : not echo | grep. Simplify regexps.
2061 * configure: Regenerate.
2063 56 xm-files remain, 22 xm-arch.
2065 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2068 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2069 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2070 (copy_object): Fix format specifier vs argument mismatch.
2072 * mips-tdump.c: Make local functions static.
2073 (rindex): Don't #undef.
2074 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2075 (fatal, fancy_abort): Delete.
2076 (read_seek): Avoid signed/unsigned compare.
2078 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2080 * combine.c (try_combine): Fix error in change to try original
2082 (gen_rtx_combine): Do same as gen_rtx for now.
2084 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2086 * configure.in: AC_SUBST xm_defines.
2087 * configure: Regenerate.
2088 * Makefile.in: Set DEFINES=$(xm_defines) when building
2091 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2093 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2094 (cpp_included, find_include_file): Update.
2095 (_cpp_compare_file_date): Make else unconditional.
2097 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2099 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2101 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2103 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2104 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2106 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2108 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2109 if it's a record type.
2111 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2113 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2114 mingw includes slightly.
2116 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2119 #undef token before poisoning it.
2121 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2123 * alpha.c (check_float_value): Use memcpy, not bcopy.
2125 * m32r.c (m32r_sched_reorder): Likewise.
2127 * vax.c (check_float_value): Likewise.
2129 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2131 * toplev.c (file_name_nondirectory): Remove.
2132 * toplev.h: Similarly.
2133 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2134 of file_name_nondirectory.
2136 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2138 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2139 * mips-tfile.c: Don't #undef rindex; not used.
2141 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2143 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2144 (dbx64_register_map): Declare.
2145 (RETURN_ADDR_RTX): Fix for 64bit.
2146 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2147 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2148 * i386.c (dbx64_register_map): New global array.
2149 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2150 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2153 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2155 * cppfiles.c (search_from): Use lbasename.
2156 * mkdeps.c (deps_add_default_target): Use lbasename.
2158 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2160 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2161 xcalloc in lieu of malloc, realloc & calloc.
2163 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2165 * gengenrtl.c (xmalloc): Likewise.
2167 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2168 really_call_* memory allocation routines.
2170 * stmt.c (check_for_full_enumeration_handling): Use
2171 really_call_calloc, not calloc.
2173 * system.h (really_call_malloc, really_call_calloc,
2174 really_call_realloc): Define.
2175 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2177 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2179 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2181 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2183 * configure: Rebuilt.
2184 * configure.in: Only use `lang_requires' for languages athat are
2187 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2189 * invoke.texi: Fix typo.
2190 * gcc.1: Regenerate.
2192 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2194 * configure.in: Prune nonexistent files from build_xm_file,
2195 xm_file, and host_xm_file lists. Warn unless they're
2197 Don't generate *config.h here.
2198 AC_SUBST all variables needed to generate *config.h.
2199 * configure: Regenerate.
2200 * mkconfig.sh: New helper script, from code removed from
2202 * Makefile.in: Zap all MALLOC variables - no longer used
2203 anywhere, and malloc.c doesn't exist.
2204 Substitute in variables needed to generate *config.h.
2205 Stop lying about the dependencies contained in CONFIG_H and
2207 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2208 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2209 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2210 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2211 $(TM_P_H), etc. as appropriate.
2213 * config.gcc: Zap references to deleted files.
2214 * ggc-none.c: Don't include rtl.h or tm_p.h.
2216 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2217 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2218 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2219 config/i386/xm-linux.h, config/i386/xm-linux.h,
2220 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2221 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2222 Don't include i386/xm-i386.h.
2224 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2225 config/i386/xm-i386.h, config/i860/xm-i860.h,
2226 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2227 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2228 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2229 Delete (empty except comments, #includes of other deleted
2230 files, and macros used nowhere).
2232 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2234 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2235 independent on TARGET_FLAGS.
2237 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2239 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2241 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2243 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2245 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2246 LAST_REX_SSE_REG): define.
2247 (enum reg_class): Add 'LEGACY_REGS'
2248 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2249 (SSE_REGNO_P): Recognize extended registers.
2250 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2251 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2252 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2253 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2254 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2255 REG_OK_FOR_STRREG_P): Remove.
2256 (HI_REGISTER_NAMES): Add extended registers.
2257 (ADDITIONAL_REGISTER_NAMES): Likewise.
2258 (QI_REGISTER_NAMES): Add 8bit extended registers.
2259 (DEBUG_REG): Support extended registers.
2260 * i386.c (regclass_map): Add extended registers.
2261 (dbx_register-map): Likewise.
2262 (svr4_dbx_register_map): Likewise.
2263 (print_reg): Support extended registers.
2264 (print_operand): Support 64bit operands.
2266 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2268 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2269 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2270 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2271 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2272 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2273 STACK_BOUNDARY): Set properly for 64bits.
2274 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2275 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2276 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2277 (MOVE_MAX): Set to 16.
2278 (MOVE_MAX_PIECES): 8 for 64bit.
2279 (Pmode): Set to SImode.
2281 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2283 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2285 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2287 * i386.h (mask_64bit): New constant.
2288 (target_64bit): New macro.
2289 (target_options): Add '64'/'32'
2290 (target_default): Define.
2291 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2292 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2293 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2295 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2297 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2299 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2301 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2302 LO_SUM unless for_alias is set.
2304 2001-03-08 Stan Shebs <shebs@apple.com>
2306 * objc/objc-act.c: Fix old typos in comments, add comments for
2308 (hash_init): Fix file name in error message.
2309 (hash_enter): Ditto.
2310 (hash_add_attr): Ditto.
2311 (continue_class): Ditto.
2313 2001-03-08 Bruce Korb <bkorb@gnu.org>
2315 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2316 wait4() can receive the signal.
2318 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2320 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2322 * fixinc/fixincl.x: Regenerate.
2324 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2326 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2328 * fixinc/fixincl.x: Regenerate.
2330 2001-03-08 Richard Henderson <rth@redhat.com>
2332 * configure.in (HAVE_AS_LEB128): New assembler check.
2333 * configure, config.in: Rebuilt.
2335 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2337 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2340 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2342 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2343 references to the MAXPATHLEN macro.
2345 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2346 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2349 * config/i386/xm-gnu.h, config/xm-gnu.h,
2350 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2351 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2352 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2353 and/or unused files.
2355 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2356 doing so in various xm-*.h files.
2358 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2360 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2362 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2364 * configure.in (enable_shared): Support per-package shared-library
2366 * configure: Rebuilt.
2368 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2370 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2371 for crnot. Set operands[5] in splitter.
2373 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2375 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2376 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2377 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2378 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2379 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2380 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2381 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2384 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2385 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2386 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2387 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2388 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2389 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2390 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2391 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2392 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2393 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2394 Delete unused and/or empty files.
2396 * config.gcc: Define USG in xm_defines as appropriate. Define
2397 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2398 macro. Remove deleted xm-* files from $xm_files variable.
2400 2001-03-07 Tom Tromey <tromey@redhat.com>
2402 * configure: Rebuilt.
2403 * configure.in: Allow config-lang.in to set `lang_requires' to list
2404 of other required languages.
2406 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2408 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2410 (output_prologue): Use xmalloc not oballoc.
2411 (output_epilog): Free a29k_first_epilogue_insn when finished.
2412 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2414 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2416 * builtins.c (expand_builtin_mathfn): Check
2417 flag_unsafe_math_optimizations, not flag_fast_math.
2418 (expand_builtin): Likewise
2419 * combine.c (combine_simplify_rtx): Likewise.
2420 (simplify_if_then_else): Likewise.
2421 * cse.c (fold_rtx): Likewise.
2422 * flags.h: Remove flag_fast_math. Add
2423 flag_unsafe_math_optimizations and flag_trapping_math.
2424 * fold-const.c (negate_expr): Check
2425 flag_unsafe_math_optimizations, not flag_fast_math.
2426 (invert_truthvalue): Likewise.
2427 (fold): Likewise. Before associating operands, check that
2428 code == MULT_EXPR, not code != MULT_EXPR.
2429 * ifcvt.c (noce_try_minmax): Check
2430 flag_unsafe_math_optimizations, not flag_fast_math.
2431 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2432 * invoke.texi: Document -funsafe-math-optimizations and
2433 -fno-trapping-math. Change documentation for -ffast-math.
2434 * jump.c (reversed_comparison_code_parts): Likewise.
2435 (rtx_equal_for_thread_p): Likewise.
2436 * optabs.c (emit_conditional_move): Likewise.
2437 * simplify-rtx.c (simplify_binary_operation): Likewise.
2438 (simplify_relational_operation): Likewise.
2439 (simplify_ternary_operation): Likewise.
2440 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2441 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2442 Add trapping-math and unsafe-math-optimizations entries to f_options.
2443 (set_fast_math_flags): New, sets flags for -ffast-math.
2444 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2445 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2446 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2448 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2449 (alpha_emit_conditional_move): Initialize local_fast_math to
2450 flag_unsafe_math_optimizations, not flat_fast_math.
2451 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2452 instead of setting flag_fast_math to 1.
2453 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2455 * config/i386/i386.c (override_options): Likewise
2456 * config/i386/i386.md: Likewise.
2457 * config/m68k/m68k.md: Likewise.
2458 * config/mips/mips.md: Likewise.
2459 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2460 (rs6000_generate_compare): Likewise.
2462 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2464 * Makefile.in: Set RANLIB to @RANLIB@.
2467 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2469 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2470 * fixinc/fixincl.x: Regenerated.
2472 2001-03-07 Richard Henderson <rth@redhat.com>
2474 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2476 2001-03-07 Richard Henderson <rth@redhat.com>
2478 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2479 of block notes and exception handling notes.
2481 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2482 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2483 (compile_file): ... here.
2485 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2487 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2489 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2490 config.h now. Include libiberty.h to handle alloca.
2492 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2494 * c-parse.in (yylexname): New function, split out of _yylex.
2495 (objc_rid_sans_at): New table.
2496 (init_reswords): Initialize it.
2497 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2498 retrieving the next token and checking it for significance as
2499 an ObjC keyword or string constant.
2501 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2502 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2504 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2507 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2509 * config/m68k/m68k.c (const_uint32_operand): Accept any
2510 const_int on a 32-bit host.
2512 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2514 * objc/objc-act.c (init_objc): Set save_lang_status,
2515 restore_lang_status, and mark_lang_status.
2517 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2519 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2521 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2523 * cppinternals.texi: Update.
2525 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2527 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2528 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2529 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2530 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2531 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2532 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2533 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2534 config/i386/xm-i386.h, config/i860/xm-i860.h,
2535 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2536 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2537 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2538 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2539 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2540 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2541 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2542 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2543 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2544 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2545 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2546 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2547 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2548 match the defaults provided in hwint.h.
2550 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2551 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2553 * config.gcc (xm_file): Don't set to files which are deleted.
2555 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2556 guard this file against these macros being undefined.
2558 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2560 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2561 and DECL_DEFER_OUTPUT on the decl we create, before calling
2562 rest_of_decl_compilation.
2564 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2566 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2568 * configure, config.in: Regenerate.
2569 * config.gcc: Remove references to deleted files.
2571 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2572 genrecog.c, rtl.c: Do not use alloca anywhere.
2574 * Makefile.in, build-make, system.h, config/x-interix,
2575 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2576 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2577 config/arc/xm-arc.h, config/arm/xm-arm.h,
2578 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2579 config/h8300/xm-h8300.h, config/i370/x-oe,
2580 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2581 config/i386/x-ncr3000, config/i386/x-sco5,
2582 config/i386/xm-dgux.h, config/i860/x-sysv4,
2583 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2584 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2585 config/m68k/x-hp320g, config/m69k/x-mot3300,
2586 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2587 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2588 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2589 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2590 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2591 config/mips/x-iris, config/mips/x-iris3,
2592 config/mips/x-sni-svr4, config/mips/x-sysv,
2593 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2594 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2595 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2596 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2597 config/pa/xm-papro.h, config/romp/xm-romp.h,
2598 config/rs6000/x-aix31, config/rs6000/x-aix41,
2599 config/rs6000/x-beos, config/rs6000/x-lynx,
2600 config/rs6000/x-mach, config/rs6000/x-rs6000,
2601 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2602 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2603 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2604 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2605 config/vax/xm-vms.h: Eradicate all references to alloca and
2608 * config/xm-alloca.h, config/clipper/x-clix,
2609 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2610 config/i860/x-sysv3, config/m88k/x-sysv3,
2611 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2612 (contained only alloca related hacks).
2614 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2617 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2619 * invoke.texi: Document __FAST_MATH__.
2621 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2623 * crtstuff.c: Restore include of auto-host.h.
2625 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2627 Put main() in a separate file, so that the language
2628 front-end can use a different main().
2631 * toplev.c: (main): Rename as toplev_main.
2632 * toplev.h: Declare toplev_main.
2633 * Makefile.in (OBJS): add toplev.o.
2634 (BACKEND): remove toplev.o, add main.o.
2636 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2638 * cppfiles.c (search_from): Special case the empty string.
2640 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2642 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2643 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2644 strlen or strcpy; we already know the length.
2645 (_cpp_compare_file_date): Similarly.
2646 * cpphash.h (struct cpp_reader): Delete done_initialising.
2647 (CPP_PREV_BUFFER): Delete.
2648 * cppinit.c (cpp_start_read): Don't set done_initialising.
2649 * cpplex.c (parse_string): Guarantee null-termination.
2650 (_cpp_equiv_toklists): Remove.
2651 * cpplib.c (glue_header_name): Null-terminate.
2652 (do_line): Don't leak memory.
2653 * cpplib.h (BT_WEAK): Delete.
2654 * cppmain.c (cb_ident): Strings are now null-terminated.
2656 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2658 * gcc.c (convert_filename): Append executable suffix
2659 if NO_AUTO_EXE_SUFFIX is not defined.
2660 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2661 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2663 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2665 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2666 * c-parse.gperf, c-gperf.h: Delete.
2667 (c-gperf.h was accidently re-added to the CVS repo in the rev
2668 1.16 commit by tromey)
2670 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2672 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2673 macro arguments when looking for the '('.
2674 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2675 2 when really parsing arguments; 1 when looking for '('.
2676 Always restore the lexer position.
2678 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2680 * longlong.h (umul_ppmm): Don't use a multiline string.
2682 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2684 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2685 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2686 t_bool in declaration because pcc can't combine volatile with typedef
2689 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2691 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2692 until when it is really needed.
2693 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2694 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2695 * i386.md (float?i?f splitter): Don't force source operand to memory
2697 (sse_movdfcc): Fix constraint.
2698 (sse_movdfcc splitter): Handle properly the second alternative.
2700 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2702 * cpplex.c (parse_string): Unconditionally pedwarn.
2704 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2707 * cppexp.c (parse_number): Update.
2708 * cpplex.c (parse_string): Pedwarn if multiline string does not
2709 result from a system header's macro.
2710 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2711 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2712 for function-like macros too.
2713 * c-lex.c (lex_number): Update.
2715 2001-03-03 Richard Henderson <rth@redhat.com>
2717 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2719 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2721 * combine.c (try_combine): If split with mode-changed scratch
2722 register didn't work, try the original mode.
2724 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2726 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2727 * config/c4x/c4x.h: Likewise.
2728 * stor-layout.c (compute_record_mode): Likewise.
2729 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2731 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2733 * configure.in: Kill tm.h. Include the files in the $tm_file
2734 list in all three of config.h, hconfig.h, tconfig.h, after the
2735 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2736 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2737 * configure: Regenerate.
2738 * Makefile.in (clean): Don't delete tm.h.
2740 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2741 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2742 those are not defined, set SEC and FEC to 0 and 1.
2743 * gcc.texi: Update to match.
2745 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2746 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2747 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2748 Include tconfig.h, not tm.h.
2750 * config/xm-lynx.h, config/xm-std32.h,
2751 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2752 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2753 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2754 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2755 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2756 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2757 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2758 config/i386/xm-i386.h, config/i860/xm-i860.h,
2759 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2760 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2761 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2762 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2763 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2764 config/pa/xm-linux.h, config/pa/xm-pa.h,
2765 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2766 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2767 config/pj/xm-pj.h, config/romp/xm-romp.h,
2768 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2769 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2770 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2771 config/v850/xm-v850.h, config/vax/xm-vax.h,
2772 config/we32k/xm-we32k.h:
2774 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2776 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2777 config/i370/xm-oe.h: Don't include tm.h. Don't define
2779 * config/vax/xm-vms.h: Don't include tm.h.
2781 * config/xm-lynx.h, config/avr/xm-avr.h,
2782 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2783 Delete; made empty by above changes.
2784 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2785 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2786 Don't include config/xm-lynx.h or tm.h.
2788 * config/xm-gnu.h: Don't include fcntl.h.
2789 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2791 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2793 2001-03-02 Richard Henderson <rth@redhat.com>
2795 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2796 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2798 2001-03-02 Richard Henderson <rth@redhat.com>
2800 * Makefile.in (OBJS): Add dwarf2asm.o.
2801 * dwarf2asm.c, dwarf2asm.h: New files.
2802 * dwarf2out.c (*): Use them.
2803 (size_of_uleb128, size_of_sleb128): Remove.
2804 (output_uleb128, output_sleb128): Remove.
2805 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2806 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2807 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2808 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2809 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2810 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2811 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2812 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2813 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2814 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2815 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2816 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2817 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2818 (dwarf2out_frame_debug): Remove unused variables.
2819 (output_loc_operands): Don't abort on 8 byte constants if
2820 host integers are wide enough.
2821 (output_symbolic_ref): Remove.
2822 (size_of_die): Don't assume 4 byte host integers.
2823 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2825 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2826 something stupid with HOST_WIDE_INT to long truncation.
2827 [CONST_DOUBLE]: Likewise.
2829 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2830 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2831 * config/arm/unknown-elf.h: Likewise.
2832 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2833 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2834 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2835 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2836 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2837 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2838 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2839 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2840 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2841 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2842 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2843 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2845 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2847 * cselib.c (hash_rtx): Cast enums to unsigned int.
2849 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2851 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2852 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2854 * c-format.c (C_STD_VER): Cast to int for comparisons.
2855 (check_function_format): Cast various enums to int for &.
2856 (maybe_read_dollar_number): Likewise.
2857 (check_format_info): Likewise.
2858 (check_format_info_main): Likewise.
2859 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2860 (safe_from_p): Likewise.
2861 * varasm.c (const_hash): Cast enum to int for %.
2862 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2863 pcc enum problems with < and ++ operators.
2864 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2865 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2866 (regclass_init): Change enum class to int to iterate over reg_classes.
2867 * genrecog.c (merge_trees): Cast enums for comparison.
2868 * rtl.h (GET_CODE): Cast to enum rtx_code.
2869 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2870 (GET_MODE): Cast to enum machine_mode.
2871 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2872 (GET_NOTE_INSN_NAME): Cast enum to int.
2873 * tree.h (TREE_CODE): Cast to enum tree_code.
2874 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2875 * timevar.c (timevar_print): Change loop variable id from enum to
2877 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2878 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2879 * toplev.c (compile_file): Cast enum DFI to int.
2880 (decode_d_option): Likewise.
2882 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2884 * cppinit.c (append_include_chain): Mark "after" include file name list
2885 as a system directory.
2886 * cpp.texi: Document new behavior.
2888 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2890 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2892 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2894 * cppfiles.c (struct include_file): Update.
2895 (stack_include_file): Use search_from.
2896 (cpp_included, find_include_file): Update.
2897 (cpp_execute_include): Update. ptr->name may not be
2898 null terminated. Use the new search_from member variable
2900 (_cpp_compare_file_date): Similarly.
2901 (search_from): New function, similiar to actual_directory.
2902 (actual_directory): Delete.
2903 (remap_filename): Update. loc->name may not be null terminated.
2904 (struct file_name_list): Rename search_path. Update.
2905 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2906 search_from and dir.
2907 (struct cpp_reader): Remove actual_dirs.
2908 * cppinit.c (struct cpp_pending): Update for renamed objects.
2909 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2910 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2911 * cpplib.h (struct cpp_options): Similarly.
2913 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2915 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2916 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2917 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2918 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2919 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2920 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2921 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2922 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2923 config/i370/xm-oe.h, config/i386/xm-aix.h,
2924 config/i386/xm-i386.h, config/i386/xm-osf.h,
2925 config/i860/xm-i860.h, config/i960/xm-i960.h,
2926 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2927 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2928 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2929 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2930 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2931 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2932 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2933 config/pj/xm-pj.h, config/romp/xm-romp.h,
2934 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2935 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2936 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2937 config/v850/xm-v850.h, config/vax/xm-vax.h,
2938 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2939 Do not define TRUE or FALSE.
2941 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2942 empty by above change.
2943 * config.gcc: Remove references to these files.
2945 * configure.in: Detect stdbool.h.
2946 * configure, config.in: Regenerate.
2947 * system.h: Include stddef.h here if available.
2948 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2949 Then set up a sensible boolean type at the very end.
2951 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2952 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2954 * hash.h: Delete 'boolean' typedef and related #undefs.
2956 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2957 all uses of 'boolean' with 'bool'.
2959 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2961 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2962 * cppexp.c (lex): Cast enums for comparison.
2963 * cppinit.c (parse_option): Cast enum for comparison.
2964 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2965 (cpp_output_token): Likewise.
2966 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2967 (cpp_avoid_paste): Cast enums for minus and comparison.
2969 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2971 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2972 field to all array elements.
2974 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2976 * cpphash.h (struct cpp_reader): Add print_version field.
2977 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2978 just set print_version and other flags as appropriate.
2979 (cpp_post_options): Print version here if print_version is set.
2981 * toplev.c (exit_after_options): New flag.
2982 (independent_decode_option): Don't exit here; just set
2984 (main): Exit after calling lang_hooks.post_options if
2985 exit_after_options is true.
2987 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2988 (merge_include_chains): Adjust comment to match code.
2990 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2992 * stringpool.c (set_identifier): New function.
2993 * tree.h: Prototype it.
2995 * c-parse.in: Kill D_YES. If compiled for objc, call
2996 save_and_forget_protocol_qualifiers from init_reswords.
2997 * objc/objc-act.c (remember_protocol_qualifiers,
2998 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2999 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3001 (save_and_forget_protocol_qualifiers): New function.
3002 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3004 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3006 * c-semantics.c (prune_unused_decls): Return error_mark_node
3007 instead of (tree) 1 to stop traversing the tree chain.
3009 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3011 Fix a problem introduced by Kenner's Feb 18 change.
3012 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3013 flag_cse_skip_blocks only temporarily, not for ever.
3015 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3017 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3018 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3020 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3021 before determining its register class.
3023 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3025 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3026 from reg 4 if current_function_calls_setjmp.
3027 (gen_nop_type): New function.
3028 (ia64_emit_nops): New function.
3029 (ia64_reorg): Call it.
3030 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3032 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3033 code not to try to optimize adds with anything but a REG destination.
3035 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3036 (INSN_PRIORITY_KNOWN): New accessor macro.
3037 * haifa-sched.c (priority): Use it instead of testing priority against
3040 2001-02-28 DJ Delorie <dj@redhat.com>
3042 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3043 since that doesn't work the way gcc wants on a generic m68k.
3045 2001-02-28 Richard Henderson <rth@redhat.com>
3047 * caller-save.c (save_call_clobbered_regs): Fix typo in
3048 comparison last change.
3050 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3052 * i386.c (pentium4_cost): New.
3053 (m_PENT4): New macro.
3054 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3055 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3056 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3057 x86_memory_mismatch_stall): Add Pentium4
3058 (x86_use_q_reg, x86_use_any_reg): Kill.
3059 (override_options): Add pentium4.
3060 (incdec_operand): Return 0 for pentium4.
3061 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3062 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3063 (TARGET_PENTIUM4): Define.
3064 (enum processor_type): Add PROCESSOR_PENTIUM4.
3065 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3066 * i386.md (attribute "cpu"): Add pentium4.
3067 * invoke.texi (march): Add pentium4.
3069 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3071 * i386.md (sse_mov?fcc*): New patterns and splitters.
3072 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3073 the SSE based conditional moves.
3075 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3077 * i386.md (attribute mode): Add "TI".
3078 (movsf_1): Add pxor support; remove constant propagation splitter.
3079 (movdf_integer): Likewise.
3080 (movdf_nointeger): Likewise.
3081 (movxf constant prop splitter): Handle all modes; update for SSE.
3082 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3083 * i386.c (standard_80387_constant_p): Rewrite.
3084 (standard_sse_constant_p): New.
3085 * i386-protos.h (standard_sse_constant_p): New.
3087 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3089 * i386.md (sse_setccsf, sse_setccdf): New.
3090 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3092 * i386.c (sse_comparison_operator): Accept the supported unordered
3093 comparses; be ready for fast_math.
3094 (print_operand): Support 'D'.
3096 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3098 * jump.c (reversed_comparison_code): Kill.
3100 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3102 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3105 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3107 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3108 add missing '%' in constraints.
3110 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3112 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3113 for HOST_BITS_PER_WIDE_INT == 32 too.
3115 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3117 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3119 (insert_save, insert_restore): New parameter save_mode.
3120 (init_caller_save): Update initialization of reg_save_code
3121 and reg_restore_code.
3122 (save_call_clobbered_regs): Compute save_modes and update calls to
3123 reg_save_code and reg_restore_code.
3124 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3125 of spill; update use of reg_restore_code.
3126 (insert_save): Likewise.
3127 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3128 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3129 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3131 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3133 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3134 noce_try_store_flag_inc, noce_try_store_flag_mask,
3135 noce_try_cmove_arith):
3136 Use reversed_comparison_code instead of reverse_comparison and
3137 can_reverse_comparison_p.
3139 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3141 * jump.c (reversed_comparison_code_parts): Allow reversal of
3142 unordered compares in -ffast-math mode; reverse ordered compares
3143 for FP even w/o -ffast-math.
3145 2001-02-27 Richard Henderson <rth@redhat.com>
3147 * print-rtl.c (print_rtx) [i]: Don't print field five on
3148 NOTEs other than NOTE_INSN_DELETED_LABEL.
3150 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3152 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3153 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3155 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3157 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3158 even if walk_subtrees is 0.
3159 * c-semantics.c (prune_unused_decls): Return a non-null value to
3160 stop traversing the tree chain.
3162 2001-02-27 DJ Delorie <dj@redhat.com>
3164 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3165 register, *then* define it as the new CFA.
3167 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3169 * pa.c (override_options): Promote -fpic to -fPIC.
3170 (legitimize_pic_address): Simplify due to removal of
3171 small PIC as a code generation option.
3172 (secondary_reload_class): Similarly.
3173 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3174 (PRINT_OPERAND_ADDRESS): Similarly.
3175 * pa.md (various patterns): Similarly.
3176 (small pic lo_sum pattern): Remove.
3178 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3181 * md.texi (min, max): Document
3183 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3185 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3186 TARGET_PARTIAL_REG_DEPENDENCY.
3187 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3189 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3191 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3193 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3195 * mips.c (mips_make_temp_file): Fix thinko in last change.
3197 2001-02-26 Jason Eckhardt <jle@redhat.com>
3199 * combine.c (known_cond): Do not reverse the condition when
3200 SMAX/UMAX is being considered and the condition is for equality
3203 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3205 2001-02-26 Philip Blundell <philb@gnu.org>
3207 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3209 * config/arm/linux-elf.h: Remove historical relics related to
3210 above configurations.
3211 * config/arm/linux-oldld.h: Delete.
3212 * config/arm/linux-elf26.h: Delete.
3214 2001-02-26 Jason Merrill <jason@redhat.com>
3216 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3218 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3219 recognize a tentative definition. Lose obsolete code.
3221 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3222 variables unless necessary, either.
3224 2001-02-25 Richard Henderson <rth@redhat.com>
3226 * ifcvt.c (struct noce_if_info): Add test_bb.
3227 (noce_get_alt_condition): New.
3228 (noce_try_minmax, noce_try_abs): New.
3229 (noce_operand_ok): New.
3230 (noce_process_if_block): Use them.
3231 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3233 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3235 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3238 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3240 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3241 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3243 (mips_asm_file_end): Free temp_filename here.
3245 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3247 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3248 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3250 * config/i386/i386.md (movstrsi): Handle FAIL case.
3252 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3254 * cppinit.c (builtin_array): Update.
3255 (init_builtins): Flag builtins to warn if redefined or
3256 undefined. Define __GXX_WEAK as a normal macro.
3257 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3258 * cpplib.h (NODE_WARN): New flag.
3259 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3260 Handle __STDC__ as a builtin only on Solaris.
3261 (warn_of_redefinition): Renamed from check_macro_definition.
3262 Reverse sense of test. Always warn if NODE_WARN.
3263 (_cpp_create_definition): Use warn_of_redefinition. Flag
3264 any macro beginning with "__STDC_" to require a mandatory
3265 warning if redefined or undefined.
3267 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3269 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3270 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3271 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3272 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3273 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3274 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3275 Don't define any of:
3276 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3277 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3278 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3279 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3280 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3282 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3283 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3286 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3287 Delete now-empty file.
3289 * alpha/vms.h: Define NEED_ATEXIT here...
3290 * alpha/xm-vms.h: ...not here.
3292 * i386/cygwin.h: Don't define PARAMS.
3293 * mips/mips.c: Don't prototype mktemp. Don't define
3294 P_tmpdir. Use make_temp_file to create temporary files.
3295 Don't be clever and delete temporary files early.
3296 * config.gcc: Drop references to deleted files. Don't define
3298 * gcc.texi: Don't mention USE_PROTOTYPES.
3300 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3302 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3303 (ix86_set_move_mem_attrs_1): Likewise.
3304 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3305 * config/i386/i386.md (movstrsi): Call it.
3307 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3309 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3310 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3311 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3312 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3314 (i750a-*-*): Error here if hosting on i750a.
3315 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3317 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3318 Remove (empty modulo comments).
3320 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3321 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3322 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3323 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3324 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3325 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3327 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3328 Remove reference to winnt.h in comment.
3329 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3331 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3333 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3334 used to set another biv.
3336 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3338 * tree.h (BLOCK_DEAD): New macro.
3339 (struct tree_block): New flag, dead_flag.
3340 * print-tree.c (print_node, case 'b'): Print missing fields.
3341 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3342 * function.c (identify_blocks): Enable test for misplaced notes.
3343 (all_blocks): Skip BLOCK_DEAD blocks.
3344 * integrate.c (integrate_decl_tree): Likewise.
3346 * errors.c (internal_error, trim_filename): New functions.
3347 (fancy_abort): Call internal_error.
3348 * errors.h (internal_error, trim_filename): New declarations.
3350 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3352 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3354 (EXTRA_CONSTRAINT): Formatting changes.
3356 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3358 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3360 2001-02-23 Per Bothner <per@bothner.com>
3362 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3363 so they can be called from java/jvspec.c.
3364 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3366 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3368 * i386.c (ix86_frame): New structure.
3369 (ix86_compute_frame_size): Kill.
3370 (ix86_compute_frame_layout): New.
3371 (ix86_save_reg): New.
3372 (ix86_can_use_return_insn_p): Use frame layout stuff.
3373 (ix86_expand_prologue): Likewise.
3374 (ix86_expand_epilogue): Likewise.
3375 (ix86_initial_elimination_offset): Likewise.
3376 (ix86_nsaved_regs): Use ix86_save_reg.
3377 (ix86_emit_save_regs): Likewise.
3379 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3381 * flow.c (find_sub_basic_blocks): New function.
3382 (split_block): Be ready for basic block introduced by CODE_LABEL.
3383 (commit_one_edge_insertion): Call find_sub_basic_block.
3385 * flow.c (make_edges): Add edge from entry for blocks starting with
3386 label having ALTERNATE_NAME
3388 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3390 * function.c (epilogue_done): Be ready for first basic block not
3391 containing PROLOGUE_END note.
3392 (reposition_prologue_and_epilogue_notes): Avoid placing
3393 PROLOGUE_END note between BASIC_BLOCK.
3395 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3397 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3399 2001-02-21 DJ Delorie <dj@redhat.com>
3401 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3402 check for current_function_has_nonlocal_goto from 1999-11-12.
3404 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3406 * diagnostic.c (trim_filename): No longer static.
3407 * toplev.h (trim_filename): Declare.
3408 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3409 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3410 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3411 (rtvec_check_failed_bounds): Likewise.
3412 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3414 * convert.c (convert_to_integer): Don't do unsigned unless result or
3415 both inputs are unsigned.
3417 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3420 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3422 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3424 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3426 * Makefile.in (resource.o): Add params.h dependence.
3427 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3428 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3429 * resource.c: Add dependence on params.h.
3430 (current_live_regs): Fix explanatory comment.
3431 (find_basic_block): Add new parameter to permit limiting search
3433 (mark_target_live_regs): Add new argument to find_basic_block call.
3434 (incr_ticks_for_insn): Likewise.
3436 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3438 * diagnostic.c (output_to_stream): Rename to
3439 output_buffer_to_stream. Loses the stream parameter.
3440 (init_output_buffer): Set diagnosic_buffer's stream.
3441 (flush_diagnostic_buffer): Adjust.
3442 (default_print_error_function): Likewise.
3443 (finish_diagnostic): Likewise.
3444 (verbatim): Likewise.
3446 * diagnostic.h (struct output_buffer): Add `stream' field.
3447 (output_buffer_attached_stream): New macro.
3449 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3451 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3452 check if either operand is divisible by C.
3453 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3454 If type is signed, consider negative numbers as well.
3456 2001-02-22 Richard Henderson <rth@redhat.com>
3458 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3459 reach .text instead of gp-relative relocs.
3460 * config/ia64/crtend.asm (.init): Likewise.
3462 2001-02-22 Andreas Jaeger <aj@suse.de>
3464 * extend.texi (C++ Attributes): Fix typo.
3466 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3468 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3469 functions, drop current_function_args_info.words test.
3470 (ia64_compute_frame_size): Mark syscall_linkage functions as
3471 using eight input registers.
3473 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3474 Bruce Korb <bkorb@gnu.org>
3476 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3477 * fixinc/README: Document how to convert sed substitutions
3478 to format style c_fix-es.
3479 * fixinc/fixincl.x: regen
3481 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3483 * gcc.c: Add comment explaining how to add a command-line option.
3484 Add title to specs language comment.
3486 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3488 * gcc.c (cc1_options): Add "-param".
3489 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3490 (option_map): Likewise.
3491 * toplev.c (display_help): Add entry for "--param".
3492 (independent_decode_option): Fix typographical error.
3494 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3495 Bernd Schmidt <bernds@redhat.com>
3496 Jan Hubicka <jh@suse.cz>
3498 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3499 (function_arg): Likewise.
3501 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3503 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3505 2001-02-21 Kazu Hirata <kazu@hxi.com>
3507 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3511 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3513 * flow.c (init_propagate_block_info): Canon address and use single_set
3514 for killing dead memory stores.
3516 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3518 * Makefile.in (reorg.o): Add params.h dependence.
3519 * params.def: Fix typographical error in comment.
3520 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3521 * params.h: Modify introductory comment.
3522 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3523 * reorg.c: Add dependence on params.h.
3524 (redundant_insn): Add parameterized throttle for search.
3525 (fill_simple_delay_slots): Add a comment explaining a variable.
3526 Move conditional out of loop, simplifying code.
3527 (fill_eager_delay_slots): Fix typographical error in comment.
3529 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3531 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3533 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3534 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3536 2001-02-21 Jason Merrill <jason@redhat.com>
3538 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3539 (struct tree_decl): Add uninlinable bitfield.
3540 * c-decl.c (duplicate_decls): Set it.
3541 * integrate.c (function_cannot_inline_p): Check it.
3543 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3544 DW_AT_MIPS_linkage_name to abstract methods.
3545 (dwarf2out_abstract_function): Emit class context before calling
3546 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3547 (gen_subprogram_die): Remove obsolete code.
3548 (gen_member_die): Don't include clones in the member list.
3549 (gen_decl_die): Emit abstract info for clone origin.
3550 * dwarfout.c (output_type): Don't include clones in the member list.
3551 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3552 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3553 DECL_ABSTRACT on a function that already has it set.
3555 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3556 (get_subprogram_die): Pass it in.
3558 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3560 * flow.c (mark_set_1): Make not_dead unsigned long. For
3561 non-pseudos, use it as a bitmask of the hard regs that
3564 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3566 * cppfiles.c: Update comments.
3567 (_cpp_read_file): Don't check for NULL filenames any more.
3568 * cppinit.c (cpp_start_read): Don't do canonicalization of
3569 in_fname and out_fname. Use the passed file name exclusively.
3570 (_cpp_handle_options): Don't treat "-" as a command line option,
3571 but as a normal filename.
3572 (_cpp_post_options): Canonicalize in_fname and out_fname.
3573 * cppmain.c (printer_init): Don't check out_fname for NULL.
3574 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3575 (init_c_lex): Update, and use "" to represent stdin to CPP.
3578 2001-02-20 Will Cohen <wcohen@redhat.com>
3580 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3581 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3582 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3585 2001-02-20 Stan Shebs <shebs@apple.com>
3587 * config/rs6000/rs6000.c (output_cbranch): Output branches
3588 on separate lines instead of using ';' to separate.
3590 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3592 * cppinit.c (set_lang): Move builtin handling to...
3593 (init_builtins): ...here.
3594 (_cpp_create_reader): Move call to set_lang.
3596 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3598 * stmt.c (expand_return): If an attempt is made to return the
3599 error_mar_node, treat the return like a return without a value.
3601 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3603 * sibcall.c (skip_copy_to_return_value): Call
3604 identify_call_return_value here, and return orig_insn if it
3605 returns zero. Hardret and softret arguments now unnecessary.
3606 (call_ends_block_p): Don't call identify_call_return_value here.
3608 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3610 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3611 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3613 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3615 * pa.c (move_operand): Accept code to load the address of a
3616 symbol out of the DLT as a valid move operand.
3617 (print_operand, case 'A'): New to handle generating a DLT
3618 reference for a LO_SUM expression.
3619 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3620 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3622 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3624 * README, cpp.texi, gcc.texi, version.c: Update version number to
3626 * cpp.1, gcov.1, gcc.1: Regenerate.
3628 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3630 * cppfiles.c (stack_include_file): Generate dependencies
3631 here, and manage include_count here too.
3632 (PRINT_THIS_DEP): Delete.
3633 (_cpp_execute_include): Do not generate dependencies here,
3634 apart from the case of a missing header. Do not manage
3636 (_cpp_read_file): Leave dependency generation to
3639 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3641 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3642 target_cpu_default. Remove dead assignment to
3645 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3647 * regclass.c (contains_reg_of_mode): Make global.
3648 (init_reg_sets): Remove contains_reg_of_mode; take into account
3649 CLASS_MAX_NREGS when looking for the proper mode.
3650 (dump_regclass): Dump only classes considered for the pseudo.
3651 (regclass): Use contains_reg_of_mode.
3653 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3655 * gcc.c (do_spec_1): 'n' for printing notices.
3656 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3658 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3660 * reg-stack.c (next_flags_user): Use current_block->end
3661 (swap_rtx_condition): Look for next user if flags don't die;
3662 give up on CALL_INSNs; use current_block->end.
3664 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3666 * sibcall.c (call_ends_block_p): New function.
3667 (optimize_sibling_and_tail_recursive_call): Use it.
3669 2001-02-18 Kazu Hirata <kazu@hxi.com>
3671 * config/h8300/h8300.md: Update copyright.
3672 (andsi3): Do not output an extra newline character.
3674 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3676 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3677 FNDECL may be unused.
3679 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3680 follow jumps after first run.
3681 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3682 it doesn't change any jumps.
3684 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3686 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3687 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3688 (mostlyclean): Corresponding changes.
3689 * rtlanal.c (hard-reg-set.h): Include.
3690 (rtx_unstable_p): Do not treat the argument pointer specially
3691 if it is not a fixed register.
3692 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3694 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3696 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3697 against last real insn in basic block.
3698 Rework to avoid gotos.
3700 * Makefile.in (gcse.o): Now includes ggc.h.
3701 * gcse.c: Include ggc.h.
3702 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3703 (try_replace_reg): Remove warning of uninitialize variable.
3704 (process_insert_insn): Call invalid_insn_p to validate insn.
3705 * recog.c (insn_invalid_p): Now global.
3706 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3707 * recog.h (insn_invalid_p): New declaration.
3709 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3711 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3712 assignments from FP constants since 'Y' output code can't handle it.
3713 (eligible_for_sibcall_delay): Likewise.
3715 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3716 Call fancy_abort directly, passing args.
3717 (print_rtl_and_abort): Now a macro, like fancy_abort.
3719 * final.c (output_operand_lossage): Use internal_error, not error.
3721 2001-02-18 Shane Nay <shane@agendacomputing.com>
3723 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3724 structure shift insns.
3726 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3728 * invoke.texi (-fsquangle): Remove documentation.
3729 (-fname-mangling-version): Likewise.
3731 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3733 * optabs.c (expand_abs): Remove reference to
3734 HAVE_contitional_arithmetic.
3735 * combine.c (simplify_set): Likewise.
3737 2001-02-18 Richard Henderson <rth@redhat.com>
3739 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3742 2001-02-18 Richard Henderson <rth@redhat.com>
3744 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3746 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3748 * reload1.c (reload_cse_simplify_set): Fix typo.
3750 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3752 * diagnostic.c (_fatal_insn): Decrement errorcount.
3754 * invoke.texi (-I): Add note avoiding use for system header files.
3756 * rtl.h (add_clobbers): Remove duplicate declaration.
3757 * recog.h (added_clobbers_hard_reg_p): New declaration.
3758 * genemit.c (struct clobber_pat): New field has_hard_reg.
3759 (gen_insn): Record if added clobbers clobber hard reg.
3760 (gen_split): Avoid unused warning if number of operands is 0.
3761 (output_added_clobbers_hard_reg_p): New function.
3764 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3766 * pa.c (hppa_expand_prologue): Simplify code storing return
3767 pointer. For large (>=8k) frames with a post_store, adjust stack
3768 pointer by 8k-64 first rather than by 64. When testing with
3769 VAL_14_BITS_P, always use the actual value rather than the value
3770 negated. Add blockage to prevent scheduling of spills before
3771 stack frame has been created.
3772 (hppa_expand_epilogue): Simplify code loading return pointer.
3773 Allow a slightly larger range for merge_sp_adjust_with_load case.
3774 When testing with VAL_14_BITS_P, always use the actual value.
3776 * pa.c (pa_adjust_insn_length): Check that block move
3777 pattern is a set before looking at operands.
3779 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3781 * fold-const.c (fold_binary_op_with_conditional_arg): New
3782 function, split out from ...
3784 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3785 conditional arms that throw exceptions.
3787 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3790 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3792 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3793 define HAVE_DECL_* to 1 to mask potential backup declarations.
3794 * configure: Regenerated.
3796 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3798 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3800 2001-02-17 Richard Henderson <rth@redhat.com>
3802 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3803 when replacing a memory load with a register.
3805 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3806 Jan Hubicka <jh@suse.cz>
3808 * recog.c (validate_replace_src_1): New.
3809 (validate_replace_src_data): Likewise.
3810 (validate_replace_src): Use note_uses.
3811 * rtl.h (note_uses): Declare.
3812 * rtlanal.c (note_uses): New.
3814 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3816 * reg-stack.c (stack_def): Make field reg unsigned.
3817 (remove_regno_note): Unsignetize parameter.
3819 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3821 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3822 shladd_operand() call.
3824 2001-02-16 Bruce Korb <bkorb@gnu.org>
3825 Rodney Brown <RodneyBrown@mynd.com>
3827 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3828 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3829 machine restrictions
3830 * fixinc/fixincl.x: regen
3832 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3834 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3836 (hash_scan_insn): Clean up calls to hash_scan_set.
3837 (compute_kill_rd): REGNO now unsigned.
3838 (try_replace_reg): Rework to use simplify_replace_rtx.
3839 (cprop_jump, cprop_cc0_jump): Likewise.
3840 (cprop_insn): Call find_reg_equal_equiv_note.
3841 Reflect changes to cprop_jump and cprop_cc0_jump.
3843 * recog.c (validate_replace_src): Replace in operands of
3844 ZERO_EXTRACT in SET_DEST.
3846 * cse.c (new_label_ref): New variable.
3847 (insert): Set it instead of recorded_label_ref.
3848 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3849 CODE_LABEL for this function, and not already in REG_LABEL note.
3851 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3853 * resource.c (mark_referenced_resources): Fix typo in introductory
3855 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3858 2001-02-16 Jason Merrill <jason@redhat.com>
3860 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3862 (gen_subprogram_die): Don't abort on seeing a second definition if
3863 the previous one was abstract. Don't replace an abstract instance
3864 in the lookup table.
3866 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3867 gen_abstract_function.
3868 * dwarf2out.h: Declare it.
3869 * toplev.c (note_outlining_of_inline_function): New fn.
3870 * toplev.h: Declare it.
3871 * integrate.c (output_inline_function): Call it.
3872 * c-decl.c (duplicate_decls): Call it when redefining an extern
3873 inline. Don't inline the new defn.
3875 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3877 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3879 * .gdbinit: Rename to gdbinit.in.
3880 * gdbinit.in: New file,
3881 * configure.in: Generate .gdbinit from gdbinit.in.
3882 * configure: Regenerated.
3883 * Makefile.in (distclean): Always remove .gdbinit.
3885 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3887 * objc/objc-act.c (start_class): Register implemented_classes with
3890 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3892 * cppfiles.c (_cpp_make_system_header): Generate a file
3895 2001-02-15 Jim Meyering <meyering@lucent.com>
3897 * Makefile.in (install-common): Don't depend on installdirs here.
3898 Instead, make each of the lang.install-common targets (e.g.,
3899 c++.install-common in cp/Make-lang.in) depend on it.
3900 (install-driver): Depend on installdirs.
3902 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3904 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3906 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3909 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3911 * invoke.texi (--param): Document.
3913 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3915 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3917 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3919 * i386.md (extendsfdf2_2): Fix constraints.
3921 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3923 * i386.md (fop_df_3 splitter): Fix operand number.
3925 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3927 * invoke.texi (-mreg-alloc): Nuke.
3928 * i386.c (ix86_reg_alloc_order, regs_allocated,
3929 order_regs_for_local_alloc): Nuke.
3930 (override_options): Kill reg_alloc code.
3931 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3932 (REG_ALLOC_ORDER): SSE goes before I387.
3933 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3934 (ix86_reg_alloc_order): Likewise.
3935 * i386-protos.h (ix86_reg_alloc_order): Kill.
3937 2001-02-14 Richard Henderson <rth@redhat.com>
3939 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3941 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3943 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3945 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3947 * i386-protos.h (ix86_memory_move_cost): Move offline.
3948 * i386.c (ix86_register_move_cost): Compute properly cost of
3949 SSE, MMX and i387 instructions.
3950 (*_cost): Add costs of SSE/MMX moves.
3951 (ix86_memory_move_cost): Move offline from ....; Likewise.
3952 * i386.h (MEMORY_MOVE_COST): .... here;
3953 (struct processor costs): Add new fields to represent costs
3956 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3958 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3959 move_cost together with Matt Kraai's fix.
3961 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3963 * Makefile.in (OBJS): Add params.o.
3965 2001-02-14 Richard Henderson <rth@redhat.com>
3966 DJ Delorie <dj@redhat.com>
3968 * jump.c (jump_optimize_1): When we delete a conditional jump
3969 preceeding a non-conditional jump to effectively the same place,
3970 make sure that the combined jump skips any clobber insns between
3973 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3975 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3977 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3979 * Makefile.in (toplev.o): Depend on params.h.
3980 (intergate.o): Likewise.
3981 (params.o): New target.
3982 * flags.h (inline_max_insns): Remove.
3983 * integrate.c: Include params.h.
3984 Use MAX_INLINE_INSNS instead of inline_max_insns.
3985 * params.c: New file.
3986 * params.h: Likewise.
3987 * params.def: Likewise.
3988 * toplev.c: Include params.h.
3989 (lang_independent_params): New variable.
3990 (decode_f_option): Use the param machinery instead of setting
3992 (independent_decode_option): Handle "--param name=value".
3993 (main): Register language-independent parameters.
3995 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3997 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3999 2001-02-14 Richard Henderson <rth@redhat.com>
4001 * regclass.c (init_reg_sets_1): Revert last two changes.
4003 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4005 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4006 (variable_size): Call put_pending_size.
4007 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4008 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4009 sizes list, put newly created SAVE_EXPR there as well.
4011 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4013 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4014 (errata_find_address_regs): load_group has only 2 entries.
4015 (errata_emit_nops): Likewise. shladd is not problematic.
4016 Clear last_group if nop was emitted.
4017 (fixup_errata): load_group has only 2 entries.
4020 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4022 * c-lex.c (lex_number): Only warn traditionally for U suffix
4023 outside system macros.
4024 * cppexp.c (parse_number): Similarly.
4025 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4026 * cppmacro.c (struct cpp_macro): New member node.
4027 (parse_args): Only warn about missing rest args if not
4029 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4030 (cpp_sys_objmacro_p): New.
4031 (_cpp_create_definition): Store the node with the macro defn.
4032 Remember if the macro is defined in a system header.
4034 2001-02-13 DJ Delorie <dj@redhat.com>
4036 * configure.in (check_languages): determine languages to check
4037 * Makefile.in (check-c++): alias for check-g++
4038 (check-f77): alias for check-g77
4039 (CHECK_TARGETS): depend on configured languages
4041 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4043 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4044 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4045 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4046 (sqrtextendsfdf2): Disable for SSE2.
4048 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4050 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4051 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4052 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4053 (sqrtextendsfdf2): Disable for SSE2.
4055 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4057 * i386.md (movsfcc_1): Support integer cmove instruction.
4058 (movdfcc_1): Likewise; new splitter.
4060 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4062 * i386.c (output_fp_compare): Support SSE.
4063 (prepare_fp_compare_args): SSE comparisons always support memory.
4064 * i386.h (TARGET_CMOVE): SSE imply cmove.
4065 * i386.md (cmp?f2): Enable for SSE too.
4066 (cmpfp_i*): Support SSE.
4068 (cmpfp_i_sse_only): New.
4069 (s*, b* fp expanters): Enable for SSE too.
4070 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4073 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4075 * regclass.c (init_reg_sets_1): Silence warning.
4077 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4079 * i386.md (sqrt?f2): Change to expander.
4080 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4082 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4084 * rtlanal.c (find_reg_equal_equiv_note): New function.
4085 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4086 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4087 * rtl.h: Add declarations for above functions.
4089 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4091 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4093 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4094 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4095 * flow.c (mark_regs_live_at_end): Likewise.
4096 (calculate_global_regs_live): Likewise.
4097 * gcse.c (compute_hash_table): Likewise.
4098 (compute_kill_rd): Likewise.
4099 * resource.c (mark_target_live_regs): Likewise.
4100 * rtl.h (INVALID_REGNUM): New macro.
4102 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4104 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4106 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4108 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4111 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4113 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4115 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4116 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4117 (fop_sf_1_sse, fop_df_1_sse): New patterns
4118 (fop_*): Disable float_extend and float patterns for SSE compilation.
4119 * i386.c (output_387_binary_op): Support SSE.
4121 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4123 * i386.md (dummy_extendsfdf2): Support SSE2
4124 (extendsfdf2): Enable if 80387 or SSE2.
4125 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4126 and no MIX_I387_SSE2
4127 (extendsfdf2_1_sse_only): New pattern.
4128 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4130 (truncdfsf2_1): Support SSE.
4131 (truncdfsf2_2): Support SSE.
4132 (truncdfsf2_2_1_sse): New pattern.
4133 (fixtruncsfsi2): Always use SSE if available.
4134 (fix_truncsfsi_sse): New pattern.
4135 (fix_truncdfsi_sse): New pattern.
4136 (floatsis?f2): Support SSE.
4137 (floatsidf2_i387): New pattern.
4138 (floatsidf2_sse): Likewise.
4140 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4142 * configure.in: Use "have_gnat" variable, not "gnat".
4143 * configure: Regenerated.
4145 * config/sparc/sparc.c (function_value): Treat all non-record
4146 aggregate types like used to treat UNION_TYPE.
4148 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4150 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4151 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4153 (MASK_MIX_SSE_I387): New.
4154 (TARGET_SSE): SSE2 imply SSE.
4155 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4156 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4157 (enum reg_class): Add new classes.
4158 (REG_CLASS_NAMES): Likewise.
4159 (REG_CLASS_CONTENTS): Likewise.
4160 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4161 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4162 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4163 (CLASS_MAX_NREGS): Use new macros.
4164 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4165 * i386.md (pushsf, movsf): Support SSE.
4166 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4167 splitters to use ANY_FP_REGNO_P.
4168 (movdf_nointeger, movdf_integer): Likewise.
4170 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4172 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4173 (try_combine): Use it.
4175 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4177 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4178 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4179 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4180 (REGISTER_MOVE_COST): Likewise.
4181 * i386-protos.h (ix86_secondary_memory_needed,
4182 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4183 * i386.c (ix86_secondary_memory_needed,
4184 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4186 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4188 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4189 (HARD_REGNO_MODE_OK): Move offline to ....
4190 * i386.c (ix86_hard_regno_mode_ok) ... here;
4191 refuse all incorrect modes.
4192 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4194 2001-02-13 Richard Henderson <rth@redhat.com>
4196 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4197 entire operator; replicate that and match_dup the operands.
4198 (cmp_ccx_arith_op_set): Likewise.
4199 (cmp_cc_arith_op_not_set): Likewise.
4200 (cmp_ccx_arith_op_not_set): Likewise.
4202 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4204 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4206 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4208 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4209 (TARGET_NO_BITFIELD_WORD): New macro.
4210 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4211 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4213 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4215 * cselib.c: New file, from simplify-rtx.c.
4216 * simplify-rtx.c: Remove cselib parts.
4217 * Makefile.in: Add cselib.o.
4219 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4221 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4222 (setup_incoming_varargs): Remove warning.
4224 * config/rs6000/rs6000.c (validate_condition_mode): When
4225 flag_fast_math, allow floating-point conditionals to be reversed.
4226 (rs6000_generate_compare): When flag_fast_math, don't generate
4227 cror operations for FP conditionals.
4229 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4231 (ASM_SPEC): Likewise.
4232 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4233 (CC1_SPEC): Likewise.
4234 (LINK_TARGET_SPEC): Likewise.
4235 (CPP_ENDIAN_SPEC): Likewise.
4236 * Makefile.in (check-consistency): New target.
4238 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4240 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4241 "return type defaults" warning for functions with return type
4243 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4244 function declarations by default rather than only when pedantic.
4246 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4248 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4251 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4253 * extend.texi (Deprecated): Deprecate new initializer lists.
4255 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4257 * mkdeps.c (deps_add_default_target): Robustify. Add
4258 basename component only.
4259 * cpp.texi (-M): Describe how default target is generated.
4260 * invoke.texi (-M): Likewise.
4262 2001-02-12 Kazu Hirata <kazu@hxi.com>
4264 * toplev.c (push_float_handler): Remove.
4265 (pop_float_handler): Remove.
4266 * toplev.h: Remove prototypes for the above functions.
4268 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4270 * c-common.c (constant_fits_type_p): New function.
4271 (convert_and_check): Use it.
4273 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4275 * Makefile.in (GXX_ABI_FLAG): Don't define.
4276 * configure.in (--enable-new-gxx-abi): Remove option.
4277 * config.in: Regenerated.
4278 * configure: Likewise.
4280 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4282 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4284 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4285 regular basic block, and arrange for all edges into it to switch
4288 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4290 * Makefile.in (distclean): Do not remove .gdbinit.
4292 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4294 * Makefile.in (gcc.o): Fix typos.
4295 (protize.o): Likewise.
4296 (unprotoize.o): Likewise.
4298 2001-02-11 Richard Henderson <rth@redhat.com>
4300 * tree.c (build1): Check for null operand in last change.
4302 2001-02-11 Richard Henderson <rth@redhat.com>
4304 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4305 (fold): Don't assume a constant isn't foldable.
4306 * tree.c (build): Set TREE_CONSTANT for an expression with no
4307 side-effects and constant operands.
4310 2001-02-10 Richard Henderson <rth@redhat.com>
4312 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4314 2001-02-10 Anthony Green <green@redhat.com>
4316 * cpp.texi (Standard Predefined): Add documentation for
4319 * c-common.c (combine_strings): Improve warning message.
4321 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4323 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4325 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4327 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4329 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4332 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4334 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4337 2001-02-09 Nick Clifton <nickc@redhat.com>
4339 * config/arm/arm.md: Change output contraint on post inc
4340 load/store multiple patterns to be a read/write contraint.
4342 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4344 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4345 .o files when using the -M options.
4347 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4348 David Edelsohn <edelsohn@gnu.org>
4350 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4351 handle DImode constants. Use one TOC entry for SImode and smaller
4352 constants, aligned properly.
4354 2001-02-08 Jason Merrill <jason@redhat.com>
4356 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4357 about the SP adjustment for saving the static chain pointer.
4358 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4359 offset when setting a temporary CFA register.
4361 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4363 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4364 powerpc-*-chorusos* .
4365 * config/rs6000/chorus.h : New file.
4366 * config/i386/chorus.h : New file.
4367 * config/sparc/chorus.h : New file.
4368 * config/sparc/t-chorus-elf : New file.
4370 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4372 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4373 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4374 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4375 (__WCHAR_TYPE__): Correct macro name.
4377 2001-02-08 Richard Henderson <rth@redhat.com>
4379 * config/i386/i386.c (ix86_frame_pointer_required): New.
4380 (ix86_setup_frame_addresses): New.
4381 (struct machine_funciton): Add accesses_prev_frame.
4382 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4383 ix86_frame_pointer_required.
4384 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4385 (SETUP_FRAME_ADDRESSES): New.
4386 * config/i386/i386-protos.h: Update.
4387 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4388 from FRAME_POINTER_REQUIRED.
4389 * config/i386/svr3gas.h: Likewise.
4390 * config/i386/sysv3.h: Likewise.
4391 * config/i386/v3gas.h: Likewise.
4393 2001-02-08 Richard Henderson <rth@redhat.com>
4395 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4396 calculation of the number of integer registers required.
4397 (function_arg_record_value): Likewise.
4399 2001-02-08 Jason Merrill <jason@redhat.com>
4401 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4402 two. Print file and line with "confused" message.
4404 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4406 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4408 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4410 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4412 * final.c (cleanup_subreg_operands): The address of a MEM can
4415 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4418 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4420 * gcc.texi (Incompatibilities): Update documentation of
4421 preprocessing numbers.
4423 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4425 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4427 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4429 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4431 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4432 * gcc.c (struct compiler): Add cpp_spec field.
4433 (input_file_compiler): New variable.
4434 (do_spec_1): Allow a particular compiler to handle `%C'
4436 (main): Store the current compiler in input_file_compiler.
4437 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4439 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4441 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4442 * cppinit.c (cpp_create_reader): Initialize them.
4443 (append_include_chain): cxx_aware arg might be unused.
4444 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4445 keywords and give them their phase 7 meaning. Pedwarn about
4446 this unless '__bool_true_false_are_defined' is defined.
4448 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4450 * lcm.c (optimize_mode_switching): Emit mode_set before the
4451 JUMP_INSN of an abnormal edge.
4453 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4455 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4456 a scheduling barrier at the end.
4458 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4460 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4462 * config/sh/sh.md (reload_outsf): Removed.
4463 (movsf_ie): Introduce constraints for FPUL loads and stores.
4464 (reload_insf): Broaden the output constraint.
4466 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4468 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4469 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4471 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4473 * final.c: Revert my previous changes.
4474 * output.h: Make profile_label_no extern.
4475 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4476 for generating label.
4478 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4480 * config/i386/djgpp.h: Add comments about standard paths.
4481 (MD_EXEC_PREFIX): Undefine before defining.
4482 (MD_STARTFILE_PREFIX): New.
4484 2001-01-30 Bruce Korb <bkorb@gnu.org>
4486 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4487 (load_file): do not rely on load_file_data() to close file pointer
4488 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4489 fixinc/inclhack.def(irix_limits_const): add test_text
4491 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4493 * cppexp.c (parse_defined): Improve diagnostics for invalid
4496 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4498 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4500 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4502 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4503 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4504 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4505 (rs6000_output_symbol_ref): New function.
4506 (output_toc): Use VTABLE_NAME_P.
4508 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4510 * print-tree.c (print_node, case PARM_DECL):
4511 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4513 * stor-layout.c (reference_types_internal): New variable.
4514 (internal_reference_types): New function.
4515 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4516 * tree.h (internal_reference_types): New declaration.
4518 * cse.c (find_best_addr): Fix typo in computing cost.
4520 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4522 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4523 and this is the sum of a pointer and a constant, we know the result
4525 (num_sign_bit_copies, case PLUS): Likewise.
4526 * explow.c (convert_memory_address): Remove opposite SUBREG.
4527 * function.c (instantiate_new_reg): New function (from common code).
4528 (instantiate_virtual_regs_1): Call it.
4529 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4530 if pointers sign- or zero-extend.
4531 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4532 If pointers extend unsigned, use inside of SUBREG.
4533 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4535 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4537 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4538 subdir of gcc_gxx_include_dir.
4539 (gcc_gxx_target_include_dir): Remove.
4541 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4543 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4544 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4545 a high-level description.
4547 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4549 * final.c: Move the declaration of profile_label_no to ...
4550 * output.h: ... here.
4551 * function.c (expand_function_start): Call PROFILE_HOOK.
4552 * config/rs6000/aix.h: Define PROFILE_HOOK.
4553 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4554 * config/rs6000/rs6000.c (output_profile_hook): Define.
4555 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4556 output_profile_hook.
4557 tm.texi : Explain new macro PROFILE_HOOK.
4559 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4561 * extend.texi (Extended Asm): Do not say that semicolon is always
4562 a valid line-breaking character for GNU assemblers. Use
4563 newline-tab as the most commonly supported syntax. Use
4564 newline-tab rather than semicolon in multi-insn examples.
4566 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4568 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4570 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4571 David Edelsohn <edelsohn@gnu.org>
4573 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4574 code for AIX, even without flag_pic.
4576 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4578 * c-typeck.c (common_type): push and pop binding level around
4579 calling common_type on function parameters.
4581 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4583 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4585 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4587 * config/mips/mips.c (override_options): Fix typo in last change.
4588 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4589 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4591 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4593 * invoke.texi (-fdump-class-layout): Document.
4594 (-fdump-translation-unit): Use `=' as filename separator.
4596 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4598 * Makefile.in (s-mlib): Don't build multilibs if
4600 (DRIVER_DEFINES): Adjust accordingly.
4602 (protoize.o): Likewise.
4603 (unprotoize.o): Likewise.
4604 * configure.in: Recognize --enable-multilib.
4606 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4608 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4610 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4611 * configure.in: Remove --enable-libstdcxx_v3 support.
4612 * configure: Regenerated.
4614 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4616 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4617 Call abort instead of fatal.
4618 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4619 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4620 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4621 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4622 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4623 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4625 * diagnostic.h (set_internal_error_function): Renamed.
4626 * toplev.h (internal_error): Renamed from fatal.
4627 (pfatal_with_name): Deleted.
4628 (fatal_io_error): Now has printf-style arguments.
4629 * diagnostic.c (pfatal_with_name): Deleted.
4630 (fatal_io_error): Rework to have args in printf-style.
4631 (set_internal_error_function): Renamed from set_fatal_function.
4632 (internal_error): Renamed from fatal.
4633 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4634 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4635 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4636 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4637 * flow.c (verify_flow_info): Likewise.
4638 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4639 * config/mips/mips.c (save_restore_insns): Likewise.
4641 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4642 * flow.c (verify_flow_info): Likewise.
4643 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4644 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4645 (avr_normalize_condition): Likewise.
4646 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4647 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4648 (limit_reload_class, double_reg_to_memory): Likewise.
4649 (print_operand_address, emit_1600_code_shift): Likewise.
4650 (gen_tst_reg, gen_compare_reg): Likewise.
4651 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4652 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4654 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4656 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4657 * objc/objc-act.c (build_ivar_chain): Likewise.
4658 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4660 * graph.c (clean_graph_dump_file): Likewise.
4661 * profile.c (init_branch_prob): Likewise.
4662 * objc/objc-act.c (objc_init): Likewise.
4664 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4665 * config/avr/avr.c (avr_override_options): Likewise.
4666 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4667 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4668 * config/h8300/h8300.c (h8300_init_once): Likewise.
4669 * config/mips/mips.c (override_options): Likewise.
4670 * config/i386/i386.c (override_options): Likewise, rework.
4671 * config/m68k/m68k.c (override_options): Likewise.
4673 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4675 * config/mips/mips.c (print_operand): Likewise.
4676 * hash.c (hash_allocate): Don't check for failure returns from
4677 obstack functions that can't fail.
4678 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4679 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4680 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4681 (get_object_reference): Likewise.
4683 2001-02-04 Nick Clifton <nickc@redhat.com>
4685 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4686 StrongARM1110, 10TDMI, and 1020T.
4688 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4692 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4694 * config/sh/sh.md (movdf load split): Pass register number to
4695 FP_OR_XD_REGISTER_P.
4697 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4699 * cppinit.c (BC): New macro.
4700 (builtin_array): Add __GXX_WEAK__.
4701 * cpplib.h (builtin_type): Add BT_WEAK.
4702 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4703 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4704 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4706 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4708 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4710 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4712 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4713 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4715 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4717 * cpphash.h: Rename ALIGN _ALIGN.
4718 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4720 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4722 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4723 compilation environment.
4724 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4725 control over location of cygwin includes and libs.
4727 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4729 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4731 2001-02-02 lars brinkhoff <lars@nocrew.org>
4733 * md.texi (Standard Names): remove reference to spur.md.
4735 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4737 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4738 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4739 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4740 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4741 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4743 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4745 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4746 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4747 number before reload.
4748 (c4x_adjust_cost): Return zero before reload.
4749 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4750 split before reload.
4752 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4754 * c4x.c (c4x_hard_regno_rename_ok): New.
4755 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4756 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4758 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4760 * diagnostic.h: Add missing "extern" in all declarations.
4762 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4764 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4765 as for gcc_gxx_include_dir.
4767 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4769 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4771 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4773 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4774 label before alignment to be used as the braf base address.
4775 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4777 (casesi_jump_2): Require at least TARGET_SH2.
4779 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4780 truncation to 32-bit doubles on -m3e and -m4-single-only.
4782 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4784 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4785 the default when building a shared object.
4786 (init_spec): Use it.
4787 * testsuite/lib/g++.exp: Include the directory where libgcc
4788 is located to the LD_LIBRARY_PATH list.
4789 * invoke.texi (-shared-libgcc): Document the cases in which
4790 GCC defaults to using the shared libgcc.
4792 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4794 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4795 unsigned is wide enough.
4797 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4798 (si_to_float): Likewise.
4799 (float_to_si, float_to_usi): Use BITS_PER_SI.
4801 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4803 * dwarf2out.c: Added explanation of abbreviations.
4804 (def_cfa_1): Added comments listing DWARF2 instructions.
4805 (cfa_temp_reg): Removed in favor of cfa_temp.
4806 (cfa_temp_value): Removed in favor of cfa_temp.
4807 (cfa_temp): New global variable.
4808 (dwarf2out_frame_debug_expr): Added extensive introductory
4809 comments explaining the function's transformations. Revised to
4810 use cfa_temp. Added some rtx checking. Generalize IOR case.
4811 (dwarf2out_frame_debug): Revised to use cfa_temp.
4812 (output_aranges): Cast as "unsigned" to avoid warning.
4813 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4814 explain which instructions must be marked.
4816 2001-02-01 Richard Henderson <rth@redhat.com>
4818 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4821 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4823 * config/sh/crt1.asm (main_k): Modified so that start calls
4824 ___setup_argv_and_call_main.
4826 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4828 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4829 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4830 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4831 * cppmacro.c (builtin_macro): Set builtin flags here.
4832 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4833 (replace_args): Clarify intent.
4834 (cpp_get_token): Macro expansion tokens get the saved flags.
4836 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4839 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4841 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4844 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4846 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4847 returns Pmode pseudo, but we need ptr_mode.
4848 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4849 Remove bogus conversions; use HOST_WIDE_INT for size.
4850 Don't use TARGET if wrong mode.
4852 * config/i386/i386.c (ix86_compute_frame_size): Allow
4853 stack_alignment_needed to be non-default even if size is zero.
4855 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4857 * pa.c (hppa_init_pic_save): New function.
4858 * pa.h (hppa_init_pic_save): Declare.
4859 * pa.md (call, call_value, sibcall, sibcall_value): Use
4860 the above instead of duplicated code.
4862 * pa.c (hppa_encode_label): Correct size of alloca buffer
4863 so we don't overrun it. Correct leading `*' case.
4864 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4865 need to handle `*@'.
4866 (FUNCTION_NAME_P): Likewise.
4868 2001-01-31 Richard Henderson <rth@redhat.com>
4870 * config.gcc (alpha-osf5): Use float-i128.h.
4872 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4873 * config/float-i32.h: Likewise.
4874 * config/float-i64.h: Likewise.
4875 * config/float-sh.h: Likewise.
4876 * config/float-sparc.h: Likewise.
4878 2001-01-31 DJ Delorie <dj@redhat.com>
4880 * expmed.c (extract_bit_field): allow non-integral modes if we
4881 want to extract a whole register from itself.
4883 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4885 * c-typeck.c (set_init_index): If first is equal to last, assume as
4886 if it was not a range at all.
4888 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4890 * config/fp-bit.c: Include tm.h.
4891 (float_to_si): Don't assume SImode is 32-bits wide.
4892 (float_to_usi): Likewise.
4894 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4896 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4898 (typename): Call pending_xref_error after parsing typed_typespecs.
4899 * c-decl.c (lookup_tag): Give error immediately rather than
4900 leaving it pending if the tag of the wrong type is in the same
4902 (xref_tag): Don't pedwarn for forward declarations of enum types
4904 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4907 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4909 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4911 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4913 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4914 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4916 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4918 * cpphash.h (struct cpp_reader): New saved_flags.
4919 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4920 to avoid a paste after a pasted token.
4922 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4924 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4925 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4926 Wtype_MIN instead of LONG_MIN.
4928 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4930 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4932 * fixinc/fixincl.x: Regenerated.
4933 * fixinc/inclhack.def (irix_limits_const): New definition to
4934 convert "const" to "__const" in limits.h.
4936 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4938 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4940 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4942 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4943 when register dies in the insn.
4945 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4947 * diagnostic.c (fatal): Fix word wrap.
4949 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4951 * combine.c (try_combine): Fix SUBREG setting for
4952 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4954 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4956 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4959 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4963 * toplev.c (decode_W_option): Update warn_larger_than
4964 unconditionally for each processed switch.
4966 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4968 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4970 (hppa_expand_prologue): Delete code to save pic offset table register
4971 in the function prologue.
4972 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4973 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4974 table register at the beginning of the function after the prologue.
4976 2001-01-29 lars brinkhoff <lars@nocrew.org>
4978 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4980 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4981 Jeff Law <law@redhat.com>
4983 * pa.md (return): Revise comment for trivial return.
4984 (return_internal): Non-trivial return pattern for non-PIC code.
4985 (return_internal_pic): Non-trivial return pattern for PIC code.
4986 It uses the PIC register to ensure it is restored after
4988 (epilogue): Generate appropriate return for PIC and non-PIC code.
4990 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4992 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4994 2001-01-29 DJ Delorie <dj@redhat.com>
4996 * combine.c (if_then_else_cond): Pass the correct mode to
4997 operand_subword() for constants.
4999 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5001 * config/i386/cygwin.h: Add w32api to include search. Search different
5002 directories in a cross-build environment.
5004 2001-11-29 Tim Josling <tej@melbpc.org.au>
5006 * tree.h (TYPE_STUB_DECL): Add documentation.
5008 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5010 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5011 (sdbout_field_types): Likwise. Fix use of host_integerp.
5013 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5015 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5018 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5020 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5021 to use flag_gnu_linker.
5023 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5025 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5026 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5028 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5030 * tree.c, tree.h (build_parse_node): Remove; was identical to
5032 * c-lang.c (start_cdtor), objc/objc-act.c
5033 (build_module_descriptor): Use build_nt instead of
5036 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5038 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5039 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5040 not have any upper bits set.
5042 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5044 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5046 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5050 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5052 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5053 (integer_minus_one_node): Define.
5055 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5057 * Makefile.in (bootstrap2-lean): Fix typo.
5059 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5061 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5062 : Don't set fe_value.
5063 * cpplib.h (AVOID_LPASTE): New flag.
5064 (struct cpp_hashnode): Remove fe_value.
5065 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5066 * cppmacro.c (builtin_macro): Don't set flags here.
5067 (replace_args): Set AVOID_LPASTE flag on first token of an
5068 argument, and the token following it.
5069 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5070 macro expansion, and on the token following it. Do it for
5072 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5074 2001-01-27 Richard Henderson <rth@redhat.com>
5076 * config/alpha/t-ieee: Remove multilibbing.
5077 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5079 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5081 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5083 * Makefile.in: Remove all dependencies on defaults.h.
5084 * builtins.c: Don't include defaults.h.
5085 * c-common.c: Likewise.
5086 * c-decl.c: Likewise.
5087 * c-pragma.c: Likewise.
5088 * c-typeck.c: Likewise.
5089 * combine.c: Likewise.
5091 * frame-ia64.c: Likewise.
5092 * cppexp.c: Likewise.
5093 * crtstuff.c: Likewise.
5094 * dbxout.c: Likewise.
5095 * dwarf2out.c: Likewise.
5096 * dwarfout.c: Likewise.
5097 * emit-rtl.c: Likewise.
5098 * except.c: Likewise.
5100 * final.c: Likewise.
5101 * frame-dwarf2.c: Likewise.
5102 * libgcc2.c: Likewise.
5103 * optabs.c: Likewise.
5104 * profile.c: Likewise.
5105 * sdbout.c: Likewise.
5106 * toplev.c: Likewise.
5107 * tradcif.y: Likewise.
5109 * varasm.c: Likewise.
5111 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5113 * builtins.c (expand_builtin_fputs): Use size_one_node when
5114 transforming into fwrite.
5116 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5118 * extend.texi (Attribute Syntax): New section.
5120 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5122 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5123 they didn't need fixing.
5125 2001-01-27 Janis Johnson <janis@us.ibm.com>
5127 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5129 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5130 to remove macro definitions that are duplicated from elfos.h.
5132 2001-01-27 Richard Henderson <rth@redhat.com>
5134 * config/i386/sco5gas.h: Move ...
5135 * config/usegas.h: ... here.
5136 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5138 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5140 * c-typeck.c (struct constructor_stack): Add range_stack member.
5141 (really_start_incremental_init): Clear it.
5142 (push_init_level): Save constructor_range_stack and clear it if
5143 pushing explicit braces.
5144 (pop_init_level): abort if constructor_range_stack is non-zero at
5145 explicit closing brace. Restore saved constructor_range_stack if
5148 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5150 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5151 into register was forced into memory.
5153 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5155 * Makefile.in: Remove uses of + before $(MAKE).
5157 2001-01-26 Richard Henderson <rth@redhat.com>
5159 * stmt.c (cost_table): Remove.
5160 (COST_TABLE, cost_table_initialized): New.
5161 (estimate_case_costs): Use the later instead of the former.
5162 (balance_case_nodes): Likewise.
5164 2001-01-26 Richard Henderson <rth@redhat.com>
5166 * alias.c (objects_must_conflict_p): Read-only slots may not
5167 conflict despite having the same type.
5169 2001-01-27 Michael Hayes <mhayes@redhat.com>
5171 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5173 (check_ext_dependant_givs): Initialise u_start_val and
5175 (load_mems): Make last_max_reg unsigned.
5176 (try_swap_copy_prop): Use INSN_P and initialise set.
5178 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5180 * README.AVR : Removed.
5182 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5184 * pa-64.h (text_section): Remove declaration.
5186 * pa.md (return_internal): Remove mode on PIC register use.
5188 2001-01-25 lars brinkhoff <lars@nocrew.org>
5190 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5191 ASM_CLOSE_PAREN): fix typos.
5193 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5195 * acconfig.h: Define `const' to the empty string if neither
5196 __STDC__ nor __cplusplus is defined.
5197 * config.in: Regenerated.
5199 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5201 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5202 * collect2.c (main): Delete importf. Add ".obj" file extension.
5203 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5204 (aix_std_libs): Add additional AIX libraries to skip.
5205 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5206 * config/rs6000/aix51.h: New file.
5208 2001-01-25 Michael Hayes <mhayes@redhat.com>
5210 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5211 (loop_insn_emit_before): No longer static.
5212 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5213 (loop_givs_rescan, load_mems): Likewise.
5214 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5215 (maybe_eliminate_biv_1):
5216 (move_movables): Replace emit_call_insn_before with
5217 loop_call_insn_hoist.
5218 * loop.h (loop_insn_emit_before): Add.
5219 * unroll.c (copy_loop_body): Replace emit_insn_before with
5220 loop_insn_emit_before.
5222 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5224 * diagnostic.c (fatal): Request preprocessed source.
5226 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5228 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5229 olddecl has argument types and newdecl has none, use the argument
5232 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5234 * dwarf2out.c (prefix_of): New function. Determine longest common
5235 prefix of the two arguments. The units are whole path components.
5236 (output_file_names): When adding a new directory find the one entry
5237 with the longest common prefix already in the list. Artificially
5238 generate entry if there is none for this prefix.
5239 Fix test to check whether the zeroth directory entry is used.
5241 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5243 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5244 Changed all callers. Take it into account when deciding if a
5245 previously loaded value matches.
5247 2001-01-24 Richard Henderson <rth@redhat.com>
5249 * reload.c (find_reloads_subreg_address): Fail the substitution
5250 if the resulting address is insufficiently aligned.
5252 2001-01-24 DJ Delorie <dj@redhat.com>
5254 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5255 check the original operand's mode also.
5256 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5258 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5260 * c-parse.in (cast_expr): Move compound literals from here ...
5261 (primary): ... to here. Use standard terminology "compound
5262 literal" instead of "constructor expression".
5264 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5266 * gcc.1, cpp.1: Regenerate.
5268 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5270 * calls.c (emit_library_call_value_1): Memory slot for
5271 pass-by-reference argument should have the mode of the argument,
5272 not of the pointer to it.
5274 2001-01-24 Tom Tromey <tromey@redhat.com>
5276 * gcc.texi (G++ and GCC): Mention gcj manual.
5277 (Standards): Link to section of manual mentioning gcj/Java
5280 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5282 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5283 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5284 * tradcpp.c (main): Add -imacros or -include'd dependencies
5286 * cpp.texi (-M, -MM): Document -M -include behaviour.
5288 2001-01-24 Roger Collins <roger@ProProject.com>
5290 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5292 2001-01-24 Will Cohen <wcohen@redhat.com>
5294 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5295 whether registers are 32 bits or 64 bits in size.
5297 2001-01-24 Ben Elliston <bje@redhat.com>
5299 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5301 2001-01-24 Richard Henderson <rth@redhat.com>
5303 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5304 (builtin_longjmp): Use it instead of emit_indirect_jump.
5306 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5308 * bb-reorder.c (make_reorder_chain_1): Handle case where
5309 jump edge goes to the same block as the fallthru edge.
5311 2001-01-23 Jim Wilson <wilson@redhat.com>
5313 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5314 * frame.h (__ia64_personality_v1): Add prototype.
5315 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5316 prototype form. Add void * cast to first argument to personality
5318 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5319 (asctoe113): Likewise.
5320 * config/ia64/frame-ia64.c: Include eh-common.h.
5321 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5323 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5325 (itanium_split_issue): Add prototype.
5326 (gen_nop_type): Ifdef out.
5327 (find_best_packet): Initialize best_packet.
5328 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5330 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5331 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5332 (flushrs): Add explicit stop bit at end.
5333 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5336 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5338 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5340 * libgcc2.c (__terminate_func): Make variable static.
5341 (__terminate_set_func): New function to set __terminate_func.
5342 * libgcc2.h (__terminate_func_ptr): New typedef.
5343 (__terminate_set_func): New function.
5345 2001-01-23 Richard Henderson <rth@redhat.com>
5347 * flow.c (init_propagate_block_info): Don't consider unchanging
5348 memories for dead frame store elimination.
5350 2001-01-23 Richard Henderson <rth@redhat.com>
5352 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5353 * defaults.h: ... here.
5355 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5357 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5359 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5361 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5363 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5365 * rs6000.h (rs6000_return_addr): Move prototype from here...
5366 * rs6000-protos.h (rs6000_return_addr): ...to here.
5367 (rs6000_init_expanders): Delete prototype.
5369 2001-01-23 Nick Clifton <nickc@redhat.com>
5371 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5372 (Spec Files): Document %B and %j and %. and %v3 and %M and
5373 %{S*&T} spec switches.
5375 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5377 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5379 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5380 Neil Booth <neil@daikokuya.demon.co.uk>
5382 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5383 Have -Werror make pedantic warnings errors, like the
5386 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5388 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5390 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5392 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5393 * integrate.c (expand_inline_function): Initialize them.
5394 (subst_constants): If changing COMPARE so that both its arguments
5395 will be VOIDmode and the comparison mode will be lost, note
5396 compare_mode. Use the recorded compare_mode to optimize
5399 2001-01-23 Jason Merrill <jason@redhat.com>
5401 * dwarf2out.c (new_die): Use xcalloc.
5402 (output_die): Abort rather than emit a local reference to offset 0.
5404 2001-01-17 Andrew Haley <aph@redhat.com>
5406 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5407 of a saved register; return NULL instead.
5408 (copy_reg): Take a pointer to a source register rather than a
5410 (next_stack_level): Remember the address in the stack frame of all
5412 Use the saved register pointer array as the source of the CFA.
5413 (throw_helper): Rewrite. Unwind once rather than twice and keep
5414 track of saved registers as we go.
5416 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5418 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5419 * c4x.c (c4x_legitimize_reload_address): Remove.
5420 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5421 reload address for ldp(k) insn.
5423 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5425 * pa.md (return_internal): Add a USE of the PIC register to ensure
5426 it is restored after each call.
5427 (return expander): Corresponding changes.
5429 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5431 * rs6000.h (INIT_EXPANDERS): Delete.
5432 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5433 * rs6000.c (rs6000_override_options): Call *_machine_status from
5435 (rs6000_init_expanders): ...instead of here. Delete.
5436 (rs6000_mark_machine_status): New function.
5437 (rs6000_init_machine_status): Use xcalloc.
5438 (rs6000_return_addr): Generate RTX for the return address.
5439 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5440 (rs6000_stack_info): Use it.
5442 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5444 * gthr-win32.h: Include errno.h to get a declaration for
5445 EINVAL and _mingw.h if the target is mingw32.
5447 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5449 * cpp.texi: Correct typos.
5451 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5453 * explow.c (probe_stack_range): Ensure value passed to
5454 stack_check_libfunc is ptr_mode, not Pmode.
5456 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5458 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5459 case, don't use operand_subword to calculate a SUBREG that is
5462 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5464 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5466 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5467 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5468 valid. If not replace it by equivalent insns.
5470 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5472 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5473 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5474 (c4x_U_constraint, symbolic_address_operand): Likewise.
5475 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5477 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5478 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5479 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5480 anulling slot because of silicon bug.
5481 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5483 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5485 * cppexp.c (parse_charconst): Change `mask' type to agree
5488 2001-01-21 Richard Henderson <rth@redhat.com>
5490 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5491 pic_label_name in a linkonce section.
5493 2001-01-17 Philipp Thomas <pthomas@suse.de>
5495 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5497 * configure: Regenerate.
5499 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5501 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5502 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5504 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5506 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5507 If REVERSE nonzero then condition code in X must be reversed.
5508 (encode_section_info): Optimise if/else.
5509 (avr_function_value): Fix formatting.
5511 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5512 (difficult_branch): Likewise.
5513 (rvbranch): Likewise.
5514 (difficult_rvbranch): Likewise.
5516 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5518 * config/avr/libgcc.S: Fix comment.
5520 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5522 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5524 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5526 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5528 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5530 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5531 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5532 * configure, config.in: Regenerate.
5533 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5534 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5535 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5536 (doprint.o): New rule.
5538 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5540 * c-typeck.c (digest_init): Handle boolean types as scalars.
5542 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5544 * stmt.c (expand_return): Don't return anything if size is zero.
5545 Delete redundant assignment to BYTES.
5546 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5548 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5550 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5551 the same as the default library function names.
5552 * config/avr/avr.md: Document special characters after '%'.
5553 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5554 knowing which of the call-used registers are really clobbered.
5555 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5556 New. Both quotient and remainder from one libgcc.S call.
5557 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5558 clobber as few registers as possible.
5559 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5561 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5563 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5564 context of the top of the stack.
5566 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5568 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5569 (fixup_var_refs_insns): ...here.
5571 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5573 * function.c (fixup_var_refs_insns): Break up into
5574 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5575 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5576 [loop over hash table entries].
5577 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5578 fixup_var_refs_insns_with_hash, to match above changes.
5580 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5582 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5583 (libgcc.a): Likewise.
5584 (stmp-multilib): Likewise.
5585 (STAGE2_FLAGS_TO_PASS): Likewise.
5587 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5589 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5590 temporary if no_new_pseudos.
5592 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5594 * cppinternals.texi: Update.
5596 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5598 * arm.c (arm_init_builtins): Re-enable builtins.
5600 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5602 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5603 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5604 element to be null, and always expect an EXPR_LIST.
5605 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5606 * sched-deps.c (sched_analyze_1): Likewise.
5607 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5609 * regclass.c (max_set_parallel): New variable.
5610 (reg_scan): Take it into account in computation of max_parallel.
5611 (reg_scan_mark_refs, case SET): Compute it.
5613 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5615 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5616 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5618 2001-01-19 Jason Merrill <jason@redhat.com>
5620 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5621 for the abstract instance of an inline function.
5623 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5624 J"orn Rennecke <amylaar@redhat.com>
5626 * reload1.c (move2add_note_store): Treat all registers directly or
5627 indirectly derived from a base register as members of the same set
5629 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5630 of base register into account.
5632 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5634 * alias.c (find_base_value): Recognize TRUNCATE.
5635 (record_set): In PLUS case, invalidate if other summand is also a
5638 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5640 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5641 entry to be EXPR_LIST.
5642 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5643 be an EXPR_LIST (but not null, which other code doesn't allow).
5644 (note_stores): Properly handle PARALLEL in SET.
5645 Recursively call for top-level PARALLEL.
5646 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5647 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5649 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5651 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5653 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5654 not pfile->skipping (== 0).
5656 2001-01-17 Nick Clifton <nickc@redhat.com>
5658 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5661 2001-01-17 Jim Wilson <wilson@redhat.com>
5663 * invoke.texi (IA-64 options): Improve.
5665 2001-01-17 Tom Tromey <tromey@redhat.com>
5667 * invoke.texi (Optimize Options): Use `{}' to around @samp
5670 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5672 * invoke.texi (-fno-guess-branch-probability): New option.
5674 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5676 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5677 case of making new double-word constant.
5678 Revert last change: instead just test i3_subst_into_i2.
5680 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5682 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5683 Use q constraints instead of r.
5685 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5687 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5688 (machine_function): Define.
5689 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5690 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5691 pa_free_machine_status): New functions.
5692 (override_options): Set {init,mark,free}_machine_status to above.
5693 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5694 PIC_OFFSET_TABLE_REGNUM_SAVED.
5695 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5696 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5697 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5698 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5699 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5701 2001-01-15 DJ Delorie <dj@redhat.com>
5703 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5707 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5709 * flow.c (propagate_on_insn): Make trying to delete a prologue
5710 or epilogue insn an ICE, not a warning. Allow doing this if
5711 the current function returns with stack pointer depressed.
5713 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5714 I3 having more than one SET.
5716 2001-01-16 Jim Wilson <wilson@redhat.com>
5718 * invoke.texi: Document IA-64 options.
5720 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5721 (fixup_errata): Delete TARGET_A_STEP use.
5722 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5723 (TARGET_SWITCHES): Delete -ma-step option.
5724 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5725 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5726 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5727 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5728 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5729 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5731 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5732 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5733 cmovsi_internal): Delete ! TARGET_A_STEP check.
5735 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5737 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5738 possibility to report bugs via postal mail. Change a URL and
5739 merge in a nearly duplicate statement...
5740 (Bug Reporting): ...from here.
5741 (Service): Refer to the Bug Reporting section instead of
5743 (Contributing): Remove trivial explanations concerning snapshots.
5745 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5747 * cppmain.c (general_init): Don't use ANSI prototype.
5749 2001-01-16 Tom Tromey <tromey@redhat.com>
5751 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5753 2001-01-16 Richard Henderson <rth@redhat.com>
5755 * config/i386/i386.h: Fix comment typo.
5756 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5757 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5759 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5761 * gcc.c: Revert previous -fsyntax-only-related change; move
5764 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5766 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5767 inmode after checking GET_CODE (op).
5769 2001-01-16 Richard Henderson <rth@redhat.com>
5771 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5772 (MAX_MEM_SET_LIST_LEN): New.
5773 (propagate_one_insn): Update mem_set_list_len.
5774 (invalidate_mems_from_autoinc): Likewise.
5775 (invalidate_mems_from_set): Likewise.
5776 (mark_used_regs): Likewise.
5777 (init_propagate_block_info): Likewise. Stop collecting memories
5778 when we reach MAX_MEM_SET_LIST_LEN.
5779 (mark_set_1): Likewise.
5781 2001-01-16 Richard Henderson <rth@redhat.com>
5783 * unroll.c (precondition_loop_p): Fail if no iteration
5786 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5788 * gcc.c: When -fsyntax-only is given, do not complain about
5791 2001-01-15 Richard Henderson <rth@redhat.com>
5793 * config/i386/i386.c (asm_output_function_prefix): Remove.
5794 (ix86_asm_file_end): New.
5795 (load_pic_register): Generate pic_label_name into a
5796 staticly allocated buffer.
5797 * config/i386/i386-protos.h: Update.
5798 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5799 (ASM_FILE_END): New.
5800 * config/i386/i386afe.h: New file.
5801 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5802 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5803 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5804 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5805 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5806 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5807 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5809 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5811 * Makefile.in (install-man): Remove explicit dependency on
5814 * configure.in, configure: Revert previous patch requiring perl
5817 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5819 * toplev.c (flag_guess_branch_prob): New.
5820 (f_options): Add guess-branch-probability option.
5821 (rest_of_decl_compilation): Only estimate branch probability if
5823 (main): set flag_guess_branch_prob.
5825 * flags.h (flag_guess_branch_prob): New.
5827 2001-01-15 DJ Delorie <dj@redhat.com>
5829 * gcc.texi (Makefile): Add documentation for Makefile targets.
5831 2001-01-15 Philip Blundell <philb@gnu.org>
5833 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5835 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5836 (is_pic): Delete declaration.
5837 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5838 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5839 * config/arm/arm.md (builtin_setjmp_receiver): New.
5841 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5843 * arm.c (use_return_insn): Don't try to determine the function type
5844 until after reload has completed.
5845 (arm_output_epilogue): Don't adjust the sp value recovered from the
5847 (emit_multi_reg_push): Don't record dwarf information for the pc.
5848 * arm.md (eh_epilogue): The function type may have changed, so it
5849 needs to be recalculated.
5850 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5851 unwind tables on arm/netbsd.
5853 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5855 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5856 (negated_cbranchsi4): Likewise.
5858 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5860 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5861 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5862 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5863 pass -mapcs-* options to assembler.
5864 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5865 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5866 (ASM_SPEC): Call subtarget_extra_asm_spec.
5868 2001-01-15 Andreas Jaeger <aj@suse.de>
5870 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5872 (ix86_expand_builtin): Likewise.
5874 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5875 warning about comparison between signed and unsigned.
5877 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5879 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5881 2001-01-14 Ralf Baechle <ralf@gnu.org>
5883 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5884 SUBTARGET_CPP_SPEC apropriatly.
5886 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5888 * varasm.c (make_decl_rtl): Fix typo in last change.
5890 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5892 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5893 linker supports the init_priority C++ attribute.
5894 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5895 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5896 linker does not support init_priority C++ attribute.
5898 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5900 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5902 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5904 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5905 * cp/lex.c (finish_parse): Similarly.
5906 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5907 Return the number of errors encountered.
5908 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5909 * cppmain.c (main): Don't call cpp_destroy.
5911 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5913 * configure.in: Require at least perl 5.6.0 to regenerate
5915 * configure: Regenerate.
5917 2001-01-14 Richard Henderson <rth@redhat.com>
5919 * genrecog.c (DT_veclen_ge): New.
5920 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5921 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5922 (nodes_identical_1): Handle DT_veclen_ge.
5923 (write_cond, debug_decision_2): Likewise.
5925 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5927 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5929 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5931 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5933 * cppmain.c (do_preprocessing): New function; most of the old
5935 (main): Call it to do most of the work.
5936 (cb): Move from global scope to set_callbacks ().
5937 (setup_callbacks): Get the callback pointer.
5938 (general_init, printer_init): Clean up code and comments.
5940 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5942 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5945 2001-01-14 Kazu Hirata <kazu@hxi.com>
5947 * config/h8300/h8300.c (get_shift_alg): Update comments.
5949 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5951 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5952 (alloc_page, ggc_alloc): Add casts to remove warnings.
5954 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5956 * combine.c (simplify_comparison): Don't change `code' when
5957 can't reverse comparison.
5959 2001-01-14 Richard Henderson <rth@redhat.com>
5961 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5962 update all call sites. Return true for all non-label constants.
5964 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5966 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5968 (ix86_expand_branch): Update.
5969 (ix86_expand_setcc): Update to handle multiple test conditions.
5970 (expand_int_movcc): Likewise.
5971 (expand_fp_movcc): Likewise.
5972 * i386-protos.h (ix86_expand_compare): New.
5973 * i386.md (andqi_?_slp, orqi_?_slp): New.
5974 (conditional trap expander): Update call to ix86_expand_compare.
5976 2001-01-14 Richard Henderson <rth@redhat.com>
5978 * config/vax/vax.md: Use nonimmediate_operand instead of
5979 general_operand in destinations.
5981 * config/vax/vax.md (indirect_jump): Use register_operand.
5983 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5984 * config/vax/vax.md (call_pop): Turn into an expander.
5985 (call_value_pop): Likewise.
5986 (call, call_value): New.
5988 2001-01-14 Andreas Jaeger <aj@suse.de>
5990 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5992 (ix86_fp_compare_mode): Add unused attribute.
5993 (ix86_expand_fp_movcc): Remove unused variable.
5994 (ix86_expand_builtin): Make fcode unsigned.
5996 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5997 (expand_expr): Add cast to avoid signed warning.
5998 (store_field): Likewise.
5999 (store_constructor_field): Likewise.
6000 (store_constructor): Likewise.
6001 (store_expr): Likewise.
6002 (clear_storage): Likewise.
6003 (emit_group_store): Likewise.
6004 (emit_group_load): Likewise.
6006 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6008 * c-common.c: Move format checking code to ...
6009 * c-format.c: ... here. New file. Reorder some functions and
6011 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6013 * c-common.h (decl_handle_format_attribute,
6014 decl_handle_format_arg_attribute): Declare.
6015 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6016 (c-common.o): Adjust dependencies.
6017 (c-format.o): New list of dependencies.
6019 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6021 * unroll.c (loop_iterations): If we cannot prove iteration variable
6022 is set once in each iteration, punt.
6024 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6026 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6027 (*strlenhi): Remove clobber (which was buggy) of output address.
6029 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6031 * Makefile.in (generated-manpages): Add gcc.1
6032 ($(srcdir)/gcc.1): New target.
6033 (maintainer-clean): Delete $(srcdir)/gcc.1.
6034 * gcc.texi: Add macros @gccoptlist and @gol.
6035 * invoke.texi: Include option summary in manpage. Mark up option
6036 summary with @gccoptlist and @gol. Use @r in one place where
6038 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6039 * gcc.1: Generate from invoke.texi.
6041 2001-01-13 Richard Henderson <rth@redhat.com>
6043 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6044 (struct page_entry): Add group member.
6045 (struct page_group): New.
6046 (struct globals): Add page_groups member.
6047 (alloc_anon): Only define for using mmap; remove valloc call.
6048 (page_group_index): New.
6049 (set_page_group_in_use): New.
6050 (clear_page_group_in_use): New.
6051 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6052 (free_page, release_pages): Likewise.
6053 * configure.in (with-gc): Default to ggc-page always.
6055 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6057 * reload1.c (replace_pseudos_in_call_usage): Use
6058 reg_equiv_constant and reg_equiv_address, and don't try
6059 regno_reg_rtx first.
6061 2001-01-13 Richard Henderson <rth@redhat.com>
6063 * ggc-page.c (alloc_page): Round up allocation size to one page.
6064 Set e->order on extra pages.
6066 2001-01-13 Richard Henderson <rth@redhat.com>
6068 * genrecog.c (nodes_identical): Expand commentary.
6069 (write_switch): Watch out for identical nodes.
6071 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6073 * cppfiles.c (_cpp_fake_include): New function.
6074 * cpphash.h (_cpp_fake_include): New.
6075 * cpplib.c (do_line): Call _cpp_fake_include when entering
6076 header files in preprocessed input.
6077 * cppmain.c (cb_pragma_implementation): Remove handling.
6078 (setup_callbacks): Don't register pragmas.
6080 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6082 * extend.texi: Udate for CPP.
6084 2001-01-13 Andreas Jaeger <aj@suse.de>
6086 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6088 * regmove.c: Add prototype for replace_in_call_usage.
6090 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6092 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6093 struct cpp_chunk, struct htab, struct toklist,
6094 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6095 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6096 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6097 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6098 (struct macro_args): Delete.
6099 * cpphash.h: See above.
6101 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6103 * cppmain.c (struct printer): Remove no_line_dirs.
6105 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6106 : Use options rather than CPP_OPTION.
6107 (setup_callbacks): Use cb rather than pfile->cb.
6108 (main): No need to check for a buffer. Use cpp_errors.
6109 (printer_init): Don't set no_line_dirs.
6110 (maybe_print_line): Use options not no_line_dirs.
6111 (cb_file_change): Don't call print_line if -P.
6113 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6115 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6117 * c-parse.in (finish_parse): Use cpp_errors.
6118 (__yylex): Use return value of cpp_pop_buffer.
6119 * cp/lex.c (finish_parse): Use cpp_errors.
6120 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6122 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6124 * README.AVR: URLs corrected.
6126 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6128 * c-decl.c (start_function): Don't warn if old prototype is builtin
6129 that's not in C's namespace.
6130 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6131 (_bb): Add prototype for ctime.
6132 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6134 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6136 * i386.c (ix86_fp_comparison_arithmetics_cost,
6137 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6138 ix86_fp_comparison_cost): New functions.
6139 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6140 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6141 two-branch sequences; make static.
6142 (ix86_use_fcomi_compare): Do decision according to the costs.
6143 (split_fp_branch): New.
6144 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6145 * i386-protos.h (ix86_expand_fp_compare): Remove
6146 (ix86_split_fp_branch): Declare.
6148 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6149 and ix86_comparison_operator.
6151 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6154 * i386.c (put_condition_code): Output properly the unordered/ordered
6155 compares in fp case.
6156 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6158 * tm.texi (REVERSE_CONDITION): Document.
6159 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6160 in -ffast-math mode.
6161 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6163 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6165 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6167 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6170 * config/sh/sh.c (mova_p): Fix test for mova_const.
6172 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6174 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6175 cpp_get_options rather than dereferencing pfile and using
6177 * scan-decls.c (scan_decls): Use return value of
6178 cpp_pop_buffer rather than CPP_BUFFER.
6180 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6182 * cppinit.c (cpp_handle_option): help_only is now part of the
6183 cpp_options structure.
6184 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6185 cpp_set_callbacks): New functions.
6186 * cpplib.h (cpp_callbacks): Break out as a named structure.
6187 (cpp_options): Move help_only here from cpp_reader.
6188 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6189 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6190 cpp_set_callbacks): New prototypes.
6191 * cppmain.c (main): Update for help_only.
6193 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6195 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6196 Also build and remove and install and uninstall c-tree.info and
6198 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6199 ($(srcdir)/cppinternals.info): New target.
6200 * c-tree.texi: Change file name used when makeinfo used without -o
6201 from ir.info to c-tree.info. Add info directory entry.
6202 * cppinternals.texi: Add info directory entry.
6203 * .cvsignore: Update.
6205 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6207 * c-typeck.c (store_init_value): Don't require constant initializer
6208 elements with -pedantic -std=c99.
6209 (digest_init): Change error about non-constant initializer elements
6211 (constructor_range_end): Remove.
6212 (constructor_incremental, designator_depth,
6213 designator_errorneous): New variables.
6214 (struct constructor_stack): Remove range_end, add incremental.
6215 (struct constructor_range_stack, constructor_range_stack): New.
6216 (struct initializer_stack): Add constructor_range_stack.
6217 (finish_init): Set it.
6218 (start_init): Likewise. require_constant_elements for non-static
6219 trees only if not flag_isoc99.
6220 (really_start_incremental_init): Remove constructor_range_end, add
6221 constructor_incremental.
6222 (pop_init_level): Likewise.
6223 (push_init_level): Likewise. If implicit and the subobject had some
6224 value set already, preinitialize the level with it.
6225 Warn about missing braces only if not pushing due to designators.
6226 (set_designator, push_range_stack): New functions.
6227 (set_init_label): Use them.
6228 (set_init_index): Likewise. Remove constructor_range_end.
6229 Error if designator index is outside of array bounds.
6230 (add_pending_init): Compare values of purpose index trees, not the
6231 trees themselves. Allow overwriting of already initialized element.
6232 Issue a warning if it had side-effects.
6233 (set_nonincremental_init, set_nonincremental_init_from_string): New
6235 (pending_init_member): Rename to...
6236 (find_init_member): ...this function. Call set_nonincremental_init
6237 if necessary. Compare values of purpose index trees, not the trees
6238 themselves. Return the actual value, not just non-zero if something
6240 (output_init_element): Remove checks for duplicates.
6241 If field has zero size, only check the initializer for correctness.
6242 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6243 if constructor_incremental is zero. Change error about initializers
6244 not computable at load time into pedwarn.
6245 (output_pending_init_elements): Compare bit positions, not
6246 FIELD_DECLs to take into account zero-sized fields.
6247 (process_init_element): Use constructor_range_stack to fill all
6248 ranges in the designator lists from current level up.
6249 * extend.texi: Update documentation for labeled elements.
6251 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6253 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6254 to function usage for arguments passed by reference. Optimize
6255 callee-copied arguments.
6256 * regmove.c (replace_in_call_usage): New function.
6257 (fixup_match_1): Call it.
6258 * cse.c (cse_insn): Canonicalize registers in function usage.
6259 * reload1.c (replace_pseudos_in_call_usage): New function.
6262 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6265 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6267 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6270 2001-01-12 DJ Delorie <dj@redhat.com>
6272 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6273 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6276 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6278 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6279 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6280 -std options alongside references to -ansi. Update some
6281 documentation for C99.
6282 * cpp.1: Regenerate.
6284 2001-01-12 Andreas Jaeger <aj@suse.de>
6286 * haifa-sched.c (restore_line_notes): Remove argument block B
6288 * sched-ebb.c (schedule_ebb): Change caller.
6289 * sched-rgn.c (schedule_region): Likewise.
6290 * sched-int.h (restore_line_notes): Adjust prototype.
6292 * loop.h: Remove wrong declaration of doloop_condition_get.
6294 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6296 * extend.texi: Move C++-extension-related node from the C section
6297 into the C++ section.
6299 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6301 * extend.texi: Refer to an array of pointers to functions instead
6302 of one of functions.
6304 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6305 Jan Hubicka <jh@suse.cz>
6307 * combine.c (reversed_comparison): Fix typo in last patch.
6309 (combine_reversed_comparison_code): Make static to follow
6310 prototype declaration.
6312 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6314 * install.texi: Remove misplaced duplicate entry.
6316 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6318 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6320 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6322 * final.c: (leaf_function_p): Fix typo.
6324 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6326 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6327 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6329 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6330 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6331 mmap_anon, and valloc is available.
6332 * ggc-page.c: Restructure ifdef logic to match new autoconf
6333 spec. Don't throw away the test page in init_ggc.
6335 * configure, config.in: Regenerate.
6337 2001-01-12 Michael Hayes <mhayes@redhat.com>
6339 * loop.h (total_biv_increment): Constify iv_class pointer.
6340 (struct induction): Replace `mem_mode' with `mem' rtx.
6341 * unroll.c (total_biv_increment): Constify iv_class pointer.
6342 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6343 (find_mem_givs, combine_givs_p): Likewise.
6344 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6346 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6348 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6350 (__gthread_getspecific): Ditto.
6352 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6354 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6355 put_condition_code): Convert fp comparison codes to integer
6357 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6360 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6361 * i386-protos.h (no_comparison_operator): Kill.
6363 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6365 * combine.c (REVERSIBLE_CC_MODE): Remove.
6366 (reversible_comparison_p): Remove.
6367 (combine_reversed_comparison_code): New.
6368 (reversed_comparison): New.
6369 (combine_simplify_rtx): Use
6370 combine_reversed_comparison_code/reversed_comparison instead
6371 of reversible_comparison_p.
6372 (simplify_if_then_else): Likewise.
6373 (simplify_set): Likewise.
6374 (simplify_logical): Likewise.
6375 (if_then_else_cond): Likewise.
6376 (known_cond): Likewise.
6377 (simplify_comparison): Likewise.
6379 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6381 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6382 sizeof (int) is larger than sizeof(__word__).
6384 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6386 * cppinit.c (do_includes): Fix typo.
6388 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6390 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6391 in S_REGS does not occur because not all sources are possible
6392 when a S_REGS is a destination (sometimes needs a clobber).
6393 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6394 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6395 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6396 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6397 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6398 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6399 (lshrdi_const1, lshrsi3_const16): Likewise.
6400 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6401 (*movhi_68hc12, *movqi_68hc12): Likewise.
6402 (movstrictqi): Make sure reloading in D_REGS as a destination
6405 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6407 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6409 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6411 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6412 -D, -U and -A, and don't initialize the builtins.
6413 (do_includes): Error if -include or -imacros with -fpreprocessed.
6414 * cppmain.c (cb_define, cb_undef): Unconditionally process
6416 * tradcpp.c (main): Fix typo.
6418 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6420 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6421 (read_name_map): Use IS_ABSOLUTE_PATH.
6422 * tradcpp.c (get_filename): Likewise.
6424 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6426 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6427 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6428 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6429 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6430 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6431 (cmphi_z_used): Don't use '@' for the output.
6432 (tstqi_z_used): Likewise.
6433 (cmpqi_z_used): Likewise.
6434 (one_cmplsi2): Likewise.
6436 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6438 * config/sh/sh.c (barrier_align): Recognize branch around far
6439 branch and redundant insn.
6441 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6443 * invoke.texi: Restore documentation of the drivers' switches -MD
6446 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6448 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6450 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6451 check-objc//%): Support parallel testing of multilibs.
6452 (TESTSUITEDIR): Set to testsuite by default, but override for
6454 (check-gcc, check-g++, check-g77, check-objc): Enter
6457 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6459 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6460 * sched-deps.c (deps_may_trap_p): Likewise.
6461 * basic-block.h: Remove a comment.
6462 * flow.c (PROP_POSTRELOAD): Remove.
6463 (update_life_info): Don't add it to prop_flags.
6464 (mark_set_1): Lose the code that was enabled by it.
6466 2001-01-11 Michael Hayes <mhayes@redhat.com>
6468 * flow.c (flow_call_edges_add): New.
6469 * basic_block.h (flow_call_edges_add): New.
6471 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6473 * reload1.c (move2add_note_store): Update reg_set_luid even if
6474 base reg remains the same.
6476 2001-01-10 Nick Clifton <nickc@redhat.com>
6478 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6479 machine_function structure to zero.
6480 Add prototypes for machine_status functions.
6482 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6484 * c-common.h (CTI_VOID_LIST): Remove.
6485 (void_list_node): Likewise.
6486 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6487 (void_list_node): New macro.
6488 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6489 * config/i386/i386.c (ix86_init_builtins): Likewise.
6490 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6492 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6494 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6495 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6497 * tradcpp.c: Include mkdeps.h.
6498 (deps, print_deps_phony_targets, deps_append, output_deps,
6499 init_dependency_output, output_deps): New.
6500 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6501 deps_output): Delete.
6502 (print_deps_missing_files): Rename deps_missing_files.
6503 (inhibit_output): Make global.
6504 (main): Delete inhibit_output, deps_stream, deps_target.
6505 Use mkdeps functionality in the same way as cpplib. Remove
6506 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6507 -M and -MM. Remove old handling of deps via deps_out, and
6508 old reading of environment variables.
6509 (get_filename): Update to use deps_add_dep.
6511 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6513 * output.h (make_function_rtl): Remove prototype.
6514 (make_decl_rtl): Likewise.
6515 * varasm.c (make_function_rtl): Remove.
6516 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6517 than from a third parameter.
6518 * tree.h (make_decl_rtl): Remove last parameter.
6519 * c-decl.c (builtin_function): Remove last argument in call to
6520 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6521 (start_function): Likewise.
6522 * except.c (call_get_eh_context): Likewise.
6523 * expr.c (emit_block_move): Likewise.
6524 (clear_storage): Likewise.
6525 * profile.c (output_func_start_profiler): Likewise.
6526 * toplev.c (rest_of_decl_compilation): Likewise.
6527 * objc/objc-act.c (create_builtin_decl): Likewise.
6528 (synth_module_prologue): Likewise.
6529 (generate_static_reference): Likewise.
6530 (build_selector_reference_decl): Likewise.
6531 (build_class_reference_decl): Likewise.
6532 (build_objc_string_decl): Likewise.
6533 (build_protocol_reference): Likewise.
6535 2001-01-10 Richard Henderson <rth@redhat.com>
6537 * hwint.h: Revert yesterday's change.
6539 2001-01-10 Nick Clifton <nickc@redhat.com>
6541 * function.h (save_machine_status): Delete.
6542 (restore_machine_status): Delete.
6543 Amend comment describing {init|mark|free}_machine_status.
6545 * function.c (save_machine_status): Delete.
6546 (restore_machine_status): Delete.
6547 Amend comment describing {init|mark|free}_machine_status.
6548 (push_function_context_to): Remove invocation of
6549 save_machine_status.
6550 (pop_function_context_from): Remove invocation of
6551 restore_machine_status.
6553 * emit-rtl.c (init_emit_once): Amend comment describing
6554 {init|mark|free}_machine_status.
6556 * tm.texi (Per-Function Data): New node. Describe the
6557 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6560 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6562 * cppinit.c (OPT_g): Remove.
6563 (cpp_handle_option): Update for removed -g3.
6564 (print_help): Update.
6565 * cpplib.h (struct cpp_options): Remove debug_output.
6566 * cppmain.c (setup_callbacks, cb_define): Update.
6567 * gcc.c (cpp_options): Translate -g3 to -dD.
6569 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6571 * config/i960/i960.md: Change modifier to + on the zero_extract
6572 pattern after the (rotate -2 reg) canonicalization pattern.
6574 2001-01-10 Richard Henderson <rth@redhat.com>
6576 * config/alpha/alpha.c (alpha_free_machine_status): New.
6577 (override_options): Install it.
6578 (alpha_mark_machine_status): Verify machine non-null.
6579 * config/i386/i386.c (ix86_free_machine_status): New.
6580 (override_options): Install it.
6581 (ix86_init_machine_status): Use xcalloc.
6582 (ix86_mark_machine_status): Verify machine non-null.
6583 * config/ia64/ia64.c (ia64_free_machine_status): New.
6584 (ia64_override_options): Install it.
6585 (ia64_mark_machine_status): Verify machine non-null.
6587 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6589 * function.c (instantiate_virtual_regs): Instantiate virtual
6590 registers found in CALL_INSN_FUNCTION_USAGE.
6592 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6594 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6595 equivalent to -ansi in disabling -Di386.
6597 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6599 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6601 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6603 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6605 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6607 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6609 * invoke.texi: Document that -fcond-mismatch isn't supported for
6612 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6614 * gcc.texi: Define macro gcctabopt.
6615 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6616 @command, @env and @option in some places where appropriate. Use
6617 @gcctabopt where appropriate. Put URLs and email addresses inside
6620 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6622 * gcc.c (cpp_options): Set MD file name from output
6623 filename, if specified.
6624 (suffix_subst): New static variable.
6625 (do_spec): Clear it.
6626 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6628 (give_switch): Handle suffix_subst.
6630 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6632 * invoke.texi: Fix another typo.
6634 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6636 * invoke.texi: Fix typo.
6638 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6640 * c-lang.c (lang_hooks): Update.
6641 (lang_decode_option): Remove.
6642 (lang_init_options): Rename c_init_options.
6643 * toplev.c (main): Use lang_hooks for lang_init_options
6644 and lang_decode_option.
6645 * toplev.h (lang_hooks): Add 2 new hooks.
6646 * tree.h: Remove lang_init_options and lang_decode_option.
6647 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6648 * cp/decl2.c: Similarly.
6649 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6650 (lang_hooks): Update.
6651 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6653 (lang_init_options): Rename ffe_init_options.
6654 (lang_hooks): Update.
6655 (lang_decode_option): Remove.
6656 * java/lang.c (lang_init_options): Rename java_init_options.
6657 (lang_decode_option): Rename java_decode_option.
6658 (lang_hooks): Update.
6659 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6660 (lang_decode_option): Rename objc_decode_option.
6661 (lang_hooks): Update.
6663 2001-01-09 Nick Clifton <nickc@redhat.com>
6665 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6666 (d30v_return_addr_rtx): Delete.
6667 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6668 cfun->machine structure.
6669 (struct machine_function): Move to d30v.h
6670 (d30v_save_machine_status): Delete.
6671 (d30v_restore_machine_status): Delete.
6672 (d30v_init_machine_status): New Function.
6673 (d30v_mark_machine_status): New Function.
6674 (d30v_free_machine_status): New Function.
6675 (d30v_init_expanders): Use new functions.
6676 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6677 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6678 d30v_return_addr_rtx.
6680 * config/d30v/d30v.h (struct_machine): Move here.
6681 Add eh_epilogue_sp_ofs field.
6683 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6684 field in cfun->machine structure.
6686 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6688 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6689 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6690 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6692 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6694 * objc/lang-options.h: Remove bogus reference to
6697 2001-01-09 Kazu Hirata <kazu@hxi.com>
6699 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6702 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6704 * reload.c (find_reloads_address): Check for eliminable registers
6705 when substituting a constant expression for a pseudo.
6707 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6709 * c-common.c (enum format_type): Add format_type_error.
6710 (decode_format_type): New function.
6711 (decl_attributes): Use it.
6712 (format_kind_info): Adjust comment.
6714 2001-01-09 David O'Brien <obrien@BSDi.com>
6716 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6717 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6719 * config/i386/gnu.h: Don't include required platform specific .h files,
6720 tm.h will do it instead.
6721 * config/i386/i386elf.h: Likewise.
6722 * config/i386/linux.h: Likewise.
6723 * config/i386/moss.h: Likewise.
6724 * config/mips/gnu.h: Likewise.
6726 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6728 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6729 (rs6000-ibm-aix3.[01]*): Likewise.
6730 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6731 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6732 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6733 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6734 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6735 (powerpc-*-eabiaix*): Likewise.
6736 (powerpc-*-eabisim*): Likewise.
6737 (powerpc-*-elf*): Likewise.
6738 (powerpc-*-eabi*): Likewise.
6739 (powerpc-*-rtems*): Likewise.
6740 (powerpc-*-linux*libc1): Likewise.
6741 (powerpc-*-linux*): Likewise.
6742 (powerpc-wrs-vxworks*): Likewise.
6743 (powerpcle-wrs-vxworks*): Likewise.
6744 (powerpcle-*-sysv*): Likewise.
6745 (powerpcle-*-elf*): Likewise.
6746 (powerpcle-*-eabisim*): Likewise.
6747 (powerpcle-*-eabi*): Likewise.
6748 (powerpcle-*-solaris2*): Likewise.
6749 * config/rs6000/aix31.h: Delete includes.
6750 * config/rs6000/aix3newas.h: Likewise.
6751 * config/rs6000/aix41.h: Likewise.
6752 * config/rs6000/aix43.h: Likewise.
6753 * config/rs6000/beos.h: Likewise.
6754 * config/rs6000/rtems.h: Likewise.
6755 * config/rs6000/sysv4.h: Likewise.
6757 2001-01-09 Kazu Hirata <kazu@hxi.com>
6759 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6760 Change an argument mode of machine_mode to shift_mode of
6761 shift_mode. Remove an extra error check.
6762 (emit_a_shift): Adopt to the new calling prototype of
6764 (function_prologue): Fix code for a monitor
6765 function. Support H8/S.
6766 (function_epilogue): Do not output pop for a monitor function.
6768 2001-01-09 Nick Clifton <nickc@redhat.com>
6770 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6771 (setup_incoming_varargs): Use sysv_varargs_p field of the
6772 cfun->machine structure.
6773 (struct machine_function): Move to rs6000.h
6774 (rs6000_save_machine_status): Delete.
6775 (rs6000_restore_machine_status): Delete.
6776 (rs6000_init_machine_status): New Function.
6777 (rs6000_free_machine_status): New Function.
6778 (rs6000_init_expanders): Use new functions.
6780 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6782 (struct machine_function): Move here.
6784 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6785 sysv_varargs_p field of the cfun->machine structure.
6787 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6789 (rs6000_restore_machine_status): Remove prototype.
6791 2001-01-09 Richard Henderson <rth@redhat.com>
6793 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6794 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6795 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6796 (sched_analyze_2, sched_analyze_insn): Likewise.
6797 (sched_analyze, init_deps): Likewise.
6798 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6799 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6800 (compute_block_backward_dependences): Update propagate_deps call.
6802 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6804 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6806 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6808 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6809 (cpp_handle_option): Handle them.
6810 (cpp_post_options): Ensure one of -M or -MM is specified with
6811 any other -M? option.
6812 (init_dependency_output): Suppress output with -MG.
6814 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6817 * invoke.texi: Update.
6819 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6821 * sh.md (reload_outsf): Generate recognizable patterns for
6824 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6826 * c-lang.c (lang_hooks): Update.
6827 (lang_init): Rename c_init.
6828 (lang_finish): Remove.
6829 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6831 * toplev.h (lang_hooks): Add init () and finish ().
6832 * tree.h (lang_init, lang_finish): Remove.
6833 * cp/tree.h (lang_init, lang_finish): Remove.
6834 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6835 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6837 (lang_init, lang_finish): Remove.
6838 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6839 (lang_hooks): Update.
6840 * java/lang.c (lang_init): Rename java_init.
6841 (lang_finish): Remove.
6842 (lang_hooks): Update.
6843 * objc/objc-act.c (lang_init): Rename objc_init.
6844 (lang_finish): Remove.
6845 (lang_hoooks): Update.
6847 20001-01-09 Graham Stott <grahams@redhat.com>
6849 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6850 after `ptr` is initialised.
6852 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6854 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6855 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6856 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6857 stack adjusts, instead of r3.
6859 2001-01-09 Michael Hayes <mhayes@redhat.com>
6861 * flow.c (flow_loop_scan): Break out of ...
6862 (flow_loops_find) ... here.
6863 * basic-block.h (flow_loop_scan): New.
6864 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6865 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6867 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6869 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6871 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6872 realloc()ing macro_buffer.
6874 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6875 if it's wider than long and the target's long is wider than the
6878 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6880 Remove support for using UWIN as a host machine.
6881 * configure.in: Issue an error message.
6882 * configure: Regenerated.
6883 * config.gcc: Remove xm_* UWIN configury.
6884 * config/i386/xm-uwin.h: Remove.
6886 2001-01-08 Nick Clifton <nickc@redhat.com>
6888 * config/v850/v850.c (ra_rtx): Delete.
6889 (v850_save_machine_status): Delete.
6890 (v850_restore_machine_status): Delete.
6891 (v850_init_machine_status): New function.
6892 (v850_mark_machine_status): New function.
6893 (v850_free_machine_status): New function.
6894 (v850_return_addr): Use ra_rtx field in machine structure.
6895 (v850_init_expanders): Use new functions.
6897 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6898 * config/v850/v850.c: Change arguments to v850_output+* functions
6899 to take a const char *, to avoid compile time warning.
6900 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6901 (USER_LABEL_PREFIX): Redefine.
6903 2000-01-08 Jim Wilson <wilson@redhat.com>
6905 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6906 1 to unsigned HOST_WIDE_INT before left shift.
6908 2001-01-08 Nick Clifton <nickc@redhat.com>
6910 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6911 the machine structure has been allocated.
6912 (arm_free_machine_status): New function: Free the machine
6913 specific function structure.
6915 2001-01-08 Richard Henderson <rth@redhat.com>
6917 * jump.c (simplejump_p): Revert last change.
6919 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6921 * cppinit.c (init): Rename init_library.
6922 (cpp_create_reader): Update.
6923 * gcc.c (cpp_options): If -o given, use it as the target of
6926 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6928 * arm.c (arm_arch5e): New variable.
6929 (all_cores): XScale is a 5TE device.
6930 (arm_override_options): Set arm_arch5e.
6931 (arm_init_builtins): __builtin_prefetch is in arch5e.
6932 * arm.h (arm_arch5e): Declare it.
6934 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6936 * arm.md (define_constants): Add defines for UNSPEC and
6937 UNSPEC_VOLATILE insns. Update all users.
6938 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6939 * arm.c (multi_register_push, note_invalid_constants)
6940 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6941 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6942 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6944 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6946 * jump.c (jump_optimize_1): Use reversed_comparison_code
6947 instead of can_reverse_comparison_p.
6948 (jump_back_p): Likewise.
6949 (invert_exp_1): Likewise.
6950 (thread_jumps): Likewise.
6951 * simplify-rtx.c (simplify_unary_operation): Likewise.
6952 (simplify_ternary_operation): Likewise.
6953 * cse.c (find_comparison_args): Convert to use
6954 can_reverse_comparison_p.
6955 (record_jump_equiv): Likewise.
6957 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6959 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6960 (EPILOGUE_USES): Define.
6961 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6962 automatically stack the LR if it isn't live.
6964 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6966 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6969 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6971 * ggc-page.c (max_alignment): New structure.
6972 (MAX_ALIGNMENT): New macro.
6973 (init_ggc): Use it to round up the sizes in the
6974 extra_order_size_table.
6976 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6978 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6981 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6983 * builtins.def (BUILT_IN_FPRINTF): New entry.
6985 * c-common.c (c_expand_builtin_fprintf): New function.
6986 (init_function_format_info): Handle __builtin_fprintf.
6987 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6988 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6990 * c-decl.c (duplicate_decls): Adjust comment.
6992 * extend.texi (fprintf): Document new builtin.
6994 2001-01-07 Richard Henderson <rth@redhat.com>
6996 * jump.c (simplejump_p): Recognize any single_set jump
6999 2001-01-07 Richard Henderson <rth@redhat.com>
7001 * configure.in (slibdir): Accept an --with-slibdir option.
7002 Use "test" not "[" in configure. Default to $(libdir).
7004 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7006 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7007 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7008 (SHLIB_LINK): Create links for the soname.
7009 * config/mips/t-iris6: Likewise.
7010 * config/sparc/t-slibgcc: Likewise.
7011 * config/sparc/t-slibgcc-sld: Likewise.
7013 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7015 * config/i386/i386.c (constant_call_address_operand): Accept
7016 (const (plus (symbol_ref) (const_int))).
7017 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7018 constant_call_address_operand.
7020 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7022 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7023 and LONG_LONG_TYPE_SIZE > 32.
7025 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7027 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7028 the previous change.
7030 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7032 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7034 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7035 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7036 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7039 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7041 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7043 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7045 * c-lang.c (c_post_options): Call cpp_post_options.
7046 * objc/objc-act.c (objc_post_options): Similarly.
7047 * cppmain.c (main): Similarly.
7048 * fix-header.c (read_scan_file): Similarly.
7049 * cppinit.c (cpp_start_read): Move option consistency checks
7050 to cpp_post_options. Don't call init_dependency_output.
7051 If needed, add default target and main file dependency.
7052 (OPT_MD, OPT_MMD): Remove.
7054 (cpp_handle_option): Update for OPT_* changes.
7055 (cpp_post_options): New.
7056 (init_dependency_output): Command line -MF overrides environment
7057 variables. Don't set default target etc. Suppress output
7058 if dependencies are going to stdout.
7059 (print_help): Update.
7060 * cpplib.h (cpp_post_options): New.
7061 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7063 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7065 * jump.c (comparison_dominates_p): Support unordered compares.
7067 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7069 * simplify-rtx.c (simplify_relational_operation): Always simplify
7070 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7073 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7075 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7076 (nonzero_bits): Likewise.
7077 (simplify_comparison): Likewise.
7078 (num_sign_bit_copies): Likewise; return more sane value depending
7079 on STORE_FLAG_VALUE.
7080 (known_cond): Do not assume EQ to be always true for equivalent
7083 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7085 * cse.c (fold_rtx): Handle unordered comparisons.
7087 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7089 * rtlanal.c (set_of_1): New static function.
7090 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7091 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7092 reg_set_last_last_regno): Remove.
7093 (set_of): New global function.
7094 (set_of_data): New structure.
7095 (reg_set_p, reg_set_last): Revamp for set_of.
7096 * rtl.h (set_of): New.
7098 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7100 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7101 * extend.texi: Document _Exit builtin.
7103 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7105 * (initialize, initialize_builtins,
7106 initialize_dependency_output, initialize_standard_includes):
7107 Rename s/initialize/init. Update.
7108 (init_dependency_output): Move to after
7109 cpp_handle_options, the correct location temporally at least.
7110 (opt_comp): Move next to init (), its caller. Fix prototype.
7111 (init): Make "initialized" local scope.
7112 (cpp_create_reader): Always call init ().
7113 (cpp_start_read): Update.
7114 (output_deps): New function, broken out of cpp_finish.
7115 (cpp_finish): Break out output_deps.
7117 2001-01-07 Richard Henderson <rth@redhat.com>
7119 * collect2.c (COFF specific stuff): Revert 12-06 patch
7120 to prototype system functions.
7122 2001-01-07 Michael Hayes <mhayes@redhat.com>
7124 * hard-reg-set.h: Add multiple include guard.
7125 * basic-block.h (struct loop): Add `sink' field.
7126 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7127 (emit_iv_add_mult): Delete.
7128 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7129 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7130 (unroll_loop): Remove end_insert_before argument.
7131 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7132 (maybe_eliminate_biv_1): Likewise.
7133 (emit_iv_add_mult): Delete.
7134 (gen_add_mult, loop_regs_update): New.
7135 (loop_insn_emit_after, loop_insn_emit_before): New.
7136 (loop_insn_sink, loop_insn_sink_or_swim): New.
7137 (emit_iv_add_mult): Delete.
7138 (scan_loop): Set loop->sink.
7139 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7140 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7141 (maybe_eliminate_biv_1): Likewise.
7142 (maybe_eliminate_biv_1): Add basic block argument.
7143 * unroll.c (unroll_loop): Remove end_insert_before argument.
7144 (find_splittable_regs): Likewise.
7145 (find_splittable_regs): Use loop_insn_sink and its ilk.
7146 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7148 2001-01-07 Michael Hayes <mhayes@redhat.com>
7150 * loop.h (loop_insn_hoist): New prototype.
7151 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7152 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7153 (check_dbra_loop, load_mems): Likewise.
7154 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7155 (find_splittable_givs): Likewise.
7157 2001-01-07 Michael Hayes <mhayes@redhat.com>
7159 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7161 2001-01-07 Richard Henderson <rth@redhat.com>
7163 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7165 2001-01-07 Richard Henderson <rth@redhat.com>
7167 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7168 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7169 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7170 variant that handles a shared libgcc.
7171 (process_command): Always validate -{static,shared}-libgcc.
7172 (do_spec_1): New 'M' case.
7173 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7175 2001-01-07 Richard Henderson <rth@redhat.com>
7177 * Makefile.in (slibdir): New variable.
7178 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7179 (installdirs): Create slibdir.
7180 (install-libgcc, install-multilib): Defer to libgcc.mk.
7181 * configure.in (slibdir): Substitute.
7182 * mklibgcc.in (install): New target.
7184 * config/t-linux (SHLIB_LINK): Create links for the soname.
7185 (SHLIB_INSTALL): New.
7186 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7187 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7188 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7189 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7190 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7192 2001-01-07 Richard Henderson <rth@redhat.com>
7194 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7195 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7196 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7198 2001-01-07 Michael Hayes <mhayes@redhat.com>
7200 * loop.c (count_loop_regs_set): Delete.
7201 (load_mems_and_recount_loop_regs_set): Delete.
7202 (loop_regs_scan): Merge common code from count_loop_regs_set,
7203 scan_loop, and load_mems_and_recount_loop_regs_set.
7204 (scan_loop): Call load_mems directly and loop_regs_scan
7205 again if new registers created.
7207 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7209 * toplev.c (main): Call the front-end specific post_options
7210 hook if one is given.
7211 * toplev.h (struct_lang_hooks, lang_hooks): New.
7212 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7213 for the C front end.
7214 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7215 lang_hooks for the C++ front end.
7216 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7217 lang_hooks for the ObjC front end.
7218 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7219 * java/lang.c (lang_hooks): Hooks for the Java front end.
7221 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7223 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7224 for verbose DWARF[2] debugging.
7225 (cb_define, cb_undef): The new callbacks.
7226 * toplev.h (debug_define, debug_undef): Make const correct.
7227 * toplev.c (debug_define, debug_undef): Similarly. Do not
7228 perform the verbosity tests here anymore.
7230 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7232 * reload.c (subst_reloads): Take INSN argument. When
7233 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7234 * reload.h (subst_reloads): Adjust prototype.
7235 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7236 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7237 present in JUMP_INSNs and copy them to JUMP_LABEL.
7238 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7239 JUMP_INSNs and insns with REG_LABELs that are followed by
7240 JUMP_INSNs with the same REG_LABEL.
7241 * sched-rgn.c (is_cfg_nonregular): Likewise.
7242 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7244 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7246 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7248 2001-01-06 Richard Henderson <rth@redhat.com>
7250 * loop.c (scan_loop): Use xcalloc for the regs array.
7251 (load_mems_and_recount_loop_regs_set): Zero the new memory
7252 received from xrealloc.
7254 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7256 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7258 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7260 * integrate.c (copy_rtx_and_substitute): When copying
7261 an ignored return value, strip REG_FUNCTION_VALUE_P.
7263 2001-01-06 Michael Hayes <mhayes@redhat.com>
7265 * loop.c (debug_biv, debug_giv): New.
7266 (loop_biv_dump): Break out from ...
7267 (record_biv): ... here.
7268 (loop_giv_dump): Break out from ...
7269 (record_giv): ... here.
7270 (loop_bivs_check): Use print_simple_rtl.
7271 * unroll.c (loop_iterations): Use print_simple_rtl.
7273 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7275 * pa.md (return, return_internal): Modify patterns to prevent regrename
7276 mucking with the return pointer.
7278 2001-01-05 Richard Henderson <rth@redhat.com>
7280 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7282 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7284 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7285 version supplied by Matteo Frigo.
7287 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7289 * cpp.texi: Update for -MQ.
7290 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7291 (cpp_cleanup): Always free pfile->deps.
7292 (initialize_dependency_output): Don't create pfile->deps.
7293 (cpp_handle_option): Similarly.
7295 * gcc.c (cpp_options): Handle -MQ.
7296 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7297 * mkdeps.c (base_name): Remove.
7298 (deps_init): Don't allocate vector space until it's needed.
7299 (deps_free): Only free vectors if allocated.
7300 (deps_add_target, deps_add_dep): Update for initial allocation.
7301 (deps_add_default_target): Don't strip to the base_name.
7303 2001-01-05 DJ Delorie <dj@redhat.com>
7305 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7306 (INIT_EXPANDERS): Define.
7308 * config/v850/v850.c (struct machine_function): Define.
7309 (v850_save_machine_status): New function.
7310 (v850_restore_machine_status): New function.
7311 (v850_return_addr): New function.
7312 (v850_init_expanders): New function.
7314 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7315 and v850_init_expanders.
7317 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7319 * cpplib.h (struct cpp_reader): Add help_only field.
7320 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7321 (cpp_handle_option): Set pfile->help_only if we see -h,
7322 --help, -target-help, or --version. Print version string but
7323 do not set help_only if we see -v or -version. Make text
7324 printed by -v match that printed by (-)-version.
7326 * cppmain.c (main): Exit after option parsing if
7327 pfile->help_only is true.
7329 * toplev.c (independent_decode_option): Call print_version,
7330 then exit, if we see --version (but not -version).
7331 (print_version): Split lengthy message into two lines.
7333 2001-01-05 Nick Clifton <nickc@redhat.com>
7335 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7336 temporary string for initialisation before calling ggc_alloc_string.
7338 2001-01-06 Michael Hayes <mhayes@redhat.com>
7340 * rtl.h (print_simple_rtl): New.
7341 * print-rtl.c (print_simple_rtl): New.
7343 (print_rtx): Disable printing of flags and modes, etc.,
7344 if `flag_simple` nonzero.
7346 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7348 * function.c (fixup_var_refs): Use push_to_full_sequence where
7351 2001-01-05 Michael Meissner <meissner@redhat.com>
7353 * flags.h (flag_reorder_blocks): Add declaration.
7354 (flag_rename_block): Ditto.
7356 2001-01-05 DJ Delorie <dj@redhat.com>
7358 * function.c (reorder_blocks): Make sure the flags are all reset
7359 before using them to mark blocks, else a second invocation will
7360 corrupt the block chain.
7361 (reorder_blocks_0): New, resets the flags.
7363 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7365 * cse.c (find_comparison_args): Stop if the argument is known to
7368 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7370 * config/sh/sh.md (movdf): When splitting load into pair of
7371 registers, don't clobber the register used in the address too
7374 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7376 * varasm.c (mark_constant_pool): Improve initial comments.
7377 (mark_constants): Move marking of constants to mark_constant.
7378 (mark_constant): New function to recursively mark all constants
7379 referred to by a constant.
7381 2001-01-05 Catherine Moore <clm@redhat.com>
7383 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7385 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7387 * cp/lang-options.h: Bring comment in line with reality.
7388 * f/lang-options.h: Likewise.
7389 * java/lang-options.h: Likewise.
7390 * objc/lang-options.h: Likewise.
7391 * ch/lang-options.h: Likewise.
7392 * f/g77.texi: And update the manual.
7394 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7395 Denis Chertykov <denisc@overta.ru>
7397 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7398 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7399 * config/avr/avr.md (all peepholes that request a scratch register):
7400 Call it, FAIL the peephole if not safe (in interrupt functions).
7402 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7404 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7406 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7408 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7410 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7411 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7412 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7413 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7414 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7416 * extend.texi: Document these builtins.
7418 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7420 * c-common.c (lang_get_alias_set): Say we know nothing of
7421 VECTOR_TYPE aliasing.
7423 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7425 2001-01-05 Bruce Korb <bkorb@gnu.org>
7427 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7428 their x* equivalent versions for atexit-less systems
7429 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7430 systems (or any other system any more).
7432 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7434 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7435 output operands. Use arm_hard_register_operand for operand 4.
7436 (stmsi_postinc): Similarly.
7437 (ldmsi): Use arm_hard_register_operand for opernand 2.
7439 * arm.c (arm_hard_register_operand): New function.
7440 * arm-protos.h (arm_hard_register_operand): Prototype it.
7442 * arm.h (HARD_REGNO_RENAME_OK): Define.
7444 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7446 * simplify-rtx.c (cfc_args): add "unordered" field.
7447 (check_fold_consts): Set unordered field.
7448 (simplify_relational_operation): Simplify the unordered
7451 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7454 * emit-rtl.c (try_split): Fix code to mark labels.
7455 * jump.c (mark_jump_label): Make global.
7456 * rtl.h (mark_jump_label): Declare.
7458 * predict.c (estimate_probability): Handle unordred comparisons.
7460 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7462 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7463 * cppinit.c (initialize_dependency_output): Update.
7464 (cpp_finish): Output dummy targets for -MP.
7466 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7467 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7468 * gcc.c (cpp_options): Update to handle -MP.
7469 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7470 to quote only the default target.
7471 (deps_phony_targets): Insert a preceding newline. Rename from
7472 deps_dummy_targets for consistency.
7475 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7477 * calls.c (emit_library_call_value_1): Support
7478 INIT_CUMULATIVE_LIBCALL_ARGS.
7479 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7481 2001-01-04 Richard Henderson <rth@redhat.com>
7483 * c-decl.c (finish_struct): Detect flexible array members
7484 used in an inappropriate context.
7485 * c-typeck.c (really_start_incremental_init): Special case
7486 constructor_max_index for zero length arrays.
7487 (pop_init_level): Allow initialization of flexible array
7488 members. Deprecate initialization of zero length arrays.
7489 Don't issue missing initializer warning for flexible array
7490 members or zero length arrays.
7491 (process_init_element): Don't dereference null DECL_SIZE.
7492 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7493 Don't abort for empty constructors. Use size_binop
7494 (output_constructor): Add commentary regarding zero length
7495 array futures. Abort if we try to initialize an array of
7496 unspecified length with a non-empty constructor in the middle
7499 * extend.texi (Zero Length): Update and clarify documentation
7500 on static initialization.
7502 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7504 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7505 with more than 32767 words of local storage.
7507 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7509 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7510 for 'abs', 'labs', and 'fabs'.
7511 (c4x_expand_builtin): Likewise.
7512 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7514 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7516 * config/sh/sh.md (prget, prset): New insn types.
7517 (return delay slot): Dont' allow prset.
7518 (call, sfunc delay slot): Don't allow prget.
7519 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7520 for prset and prget.
7522 2001-01-05 Michael Hayes <mhayes@redhat.com>
7524 * loop.h (struct loop_reg): New.
7525 (struct loop_regs): Change to use array of `struct loop_reg'.
7526 * loop.c: Replace assortment of varrays with single regs array.
7527 (count_one_set): Delete may_not_move array argument
7528 and use regs array instead. All caller's changed.
7529 (count_loop_regs_set): Delete may_not_move and single_usage
7530 arguments and use regs array instead. All caller's changed.
7531 (find_single_use_in_loop): Replace usage array argument with pointer
7532 to regs structure. All caller's changed.
7533 (loop_optimize): Delete `moved_once' array.
7535 2001-01-05 Michael Hayes <mhayes@redhat.com>
7537 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7538 Use it instead of loop_info->has_call for scanning loop mems.
7539 (check_dbra_loop): Replace loop_info->has_call test with
7540 loop_info->has_nonconst_call.
7542 2000-01-04 Matthew Hiller <hiller@redhat.com>
7544 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7547 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7549 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7550 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7552 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7554 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7555 (flag_short_double, flag_short_wchar): Define.
7556 (c_common_nodes_and_builtins): Create many tree nodes shared
7557 between C and C++ here instead of in cp/decl.c and ...
7558 * c-decl.c (init_decl_processing): ... here.
7559 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7560 (flag_short_double, flag_short_wchar): Don't define.
7561 (record_builtin_type): New function.
7562 (build_void_list_node): New function.
7563 * c-common.h (flag_short_double, flag_short_wchar,
7564 record_builtin_type, build_void_list_node): Declare.
7566 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7568 * integrate.c (expand_inline_function): Don't put a virtual
7569 register into the reg map.
7571 * function.c (fixup_var_refs_1): If force_operand didn't put
7572 the address into the target, move it there.
7574 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7576 Special-case tree_decl/tree_list allocations.
7577 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7578 (OBJECT_SIZE): New macro.
7579 (NUM_EXTRA_ORDER): Likewise.
7580 (extra_order_size_table): New variable.
7581 (NUM_ORDERS): New macro.
7582 (objects_per_page_table): New variable.
7583 (object_size_table): New variable.
7584 (G.pages): Use NUM_ORDERS to bound the array.
7585 (G.page_tails): Likewise.
7586 (DIV_ROUND_UP): Remove.
7587 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7588 (alloc_page): Use OBJECT_SIZE.
7589 (size_lookup): Don't make it const.
7590 (ggc_alloc): Use OBJECT_SIZE.
7591 (ggc_set_mark): Likewise.
7592 (ggc_get_size): Likewise.
7593 (init_ggc): Set up the object_size_table, objects_per_page_table,
7594 and adjust size_lookup.
7595 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7596 (ggc_pop_context): Use NUM_ORDERS.
7597 (clear_marks): Likewise.
7598 (sweep_pages): Likewise.
7599 (poison_pages): Likewise.
7600 (ggc_print_statistics): Use OBJECT_SIZE.
7602 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7605 Only call array_size_for_constructor if last field and array type
7606 with no upper bound.
7608 2001-01-04 Philip Blundell <philb@gnu.org>
7610 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7611 from bit 31 downwards, if this requires no more insns.
7612 (count_insns_for_constant): New helper function for above.
7614 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7616 * gencodes.c (output_predicate_decls): Remove empty initializer.
7618 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7620 * tree.c (copy_node): Remove documentation about obstacks.
7621 (buidl1): Check that nobody tries to build 2-argument nodes this
7624 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7626 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7629 * gencodes.c (output_predicate_decls): Fill empty initializer
7632 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7634 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7635 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7637 (do_include): Handle missing headers like cpp0.
7638 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7639 paths with first include pathname. Don't strcat to uninitialized
7642 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7644 * regrename.c (regrename_optimize): Don't rename from frame pointer
7645 if frame_pointer_needed.
7646 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7647 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7648 (ia64_reorg): Use it instead of scheduling if ! optimize.
7649 (errata_emit_nops): Properly call asm_noperands.
7650 (ia64_sched_reorder): Finish cycle if we see an asm.
7651 (ia64_variable_issue): Clear scheduling state after asms.
7653 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7655 * cpp.texi: Update for -MT.
7656 * cppinit.c (initialize_dependency_output): Add a default
7657 target if none has been given already.
7658 (no_tgt, OPT_MT): New.
7659 (cpp_handle_option): Handle -MT. Update -M etc.
7660 * cpplib.h (struct cpp_options): Remove deps_target.
7661 * gcc.c (cpp_options): Handle -MT.
7662 * mkdeps.c (struct deps): Move from mkdeps.h.
7663 (deps_calc_target): Rename deps_add_default_target. Add a
7664 default target if none has been specified already.
7665 * mkdeps.h (struct deps): Move to mkdeps.c.
7666 (deps_calc_target): Rename deps_add_default_target.
7668 2000-01-03 Richard Henderson <rth@redhat.com>
7670 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7672 * c-typeck.c (push_init_level): Move checks for flexible array
7673 members and zero length arrays ...
7674 (pop_init_level): ... here. Silently discard empty initializations.
7676 * varasm.c (output_constructor): Update for sizeof change to
7679 * extend.texi (Zero Length): Clarify semantics.
7681 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7683 * configure.in (tm.h): Include isns-codes.h last.
7684 * configure: Rebuilt.
7686 2001-01-03 Richard Henderson <rth@redhat.com>
7688 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7689 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7691 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7693 * tradcpp.c (main): Make sure finclude() is called with a valid
7694 indepth value while handling -include.
7696 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7698 * gencodes.c (output_predicate_decls): New function.
7700 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7701 even if it is not the first time machmode.h is #included.
7702 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7703 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7704 * gcc.texi (Copyright): Added 2001.
7706 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7708 * c-common.c (c_common_lang_init): New function. Warn if format
7709 warning options which only have effects when used with -Wformat
7710 are used without -Wformat.
7711 * c-common.h (c_common_lang_init): Declare.
7712 * c-lang.c (lang_init): Call c_common_lang_init.
7713 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7715 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7717 * configure.in: Check for the mktemp command.
7718 * configure: Regenerate.
7719 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7720 $TEMP. Create temporary files with mktemp, if available at
7721 configure time; otherwise use set -C. Remove temporary files
7724 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7726 * configure.in: Require at least texinfo 4.0. Check for whether
7727 Pod::Man is sufficiently recent to regenerate GCC manpages.
7728 * configure: Regenerate.
7729 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7731 (GENERATED_MANPAGES): Define.
7732 (generated-manpages): New target. Depend on cpp.1 as well as
7734 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7735 configure to generated-manpages or empty) rather than on the
7736 manpages directly. Remove execute permission from installed
7737 gcov.1 as well as cpp.1.
7738 * cpp.1, gcov.1: Regenerate.
7740 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7742 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7743 tree_low_cst. Allow using cmpstrsi in more cases.
7745 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7747 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7750 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7752 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7753 * Makefile.in (HOST_CFLAGS): Mention build-make.
7755 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7757 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7760 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7762 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7765 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7768 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7769 reg_base_value and reg_known_value arrays.
7770 (init_alias_analysis): Add more cases to detect known values.
7771 * sched-deps.c (deps_may_trap_p): New function.
7772 (sched_analyze_2): Use it.
7774 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7776 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7777 don't discard an ASHIFTRT if we're shifting in a wider mode.
7779 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7781 * toplev.c (rest_of_compilation): Don't print basic block information
7782 when CFG isn't up to date.
7784 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7786 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7787 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7788 (UNALIGNED_SHORT_ASM_OP): Define.
7789 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7791 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7793 * fold-const.c (fold_convert): Fix typo.
7795 2001-01-02 Richard Henderson <rth@redhat.com>
7797 * c-common.h (ASM_INPUT_P): New.
7798 * c-parse.in (asm): Set it when needed.
7799 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7800 existance of an operand.
7802 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7804 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7805 (dwarf2out_frame_debug_expr): Likewise.
7806 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7808 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7810 * i386.c (ix86_split_to_parts): Return number of part required;
7812 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7814 (ix86_split_long_move): Use number of part returned
7815 by ix86_split_to_parts
7816 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7818 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7819 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7820 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7821 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7822 (ALIGN_MODE_128): Add TFmode.
7823 (IS_STACK_MODE): Likewise.
7824 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7825 (HARD_REGNO_OK): Support TFmodes.
7826 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7827 * i386.md (scheduler definitions): Use memory operand to determine
7828 fst/fld instructions; use mode attribute to determine real mode of
7830 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7831 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7833 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7835 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7837 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7839 * expr.c (store_constructor_field): Update ALIGN before calling
7842 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7844 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7847 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7849 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7852 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7854 * c-decl.c (start_function): Don't warn on third parameter to main.
7856 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7858 * tsystem.h: Define HAVE_DECL_GETOPT.
7860 2001-01-02 Philip Blundell <pb@futuretv.com>
7862 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7865 2001-01-02 Richard Henderson <rth@redhat.com>
7867 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7869 2001-01-02 Andreas Jaeger <aj@suse.de>
7871 * c-decl.c (c_decode_option): Remove support of
7874 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7875 (W_options): Add -Wmissing-noreturn here.
7877 * flow.c: Define lang_missing_noreturn_ok_p.
7878 (check_function_return_warnings): Use it.
7880 * c-common.h: Declare lang_missing_noreturn_ok_p.
7882 * c-lang.c (c_missing_noreturn_ok_p): New function.
7883 (lang_init): Set lang_missing_noreturn_ok_p.
7885 * invoke.texi (Warning Options): Document this.
7887 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7889 * extend.texi (C++ Extensions): New node for C++ attributes;
7890 describe init_priority and com_interface.
7891 * invoke.texi: Remove -finit-priority as it now has zero effect.
7892 * install.texi: Fix xref syntax.
7893 * md.texi: Likewise.
7895 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7897 * config.gcc (sparc64-wrs-vxworks*): New case.
7898 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7900 * config/sparc/sparc.c (sparc_override_options): Do support different
7901 pointer and architecture size.
7902 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7903 (POINTERS_EXTEND_UNSIGNED): Define.
7904 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7905 (FUNCTION_MODE): Define to be Pmode.
7906 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7908 * function.c (expand_function_end): Properly handle DECL_RESULT
7909 and copy when ptr_mode != Pmode.
7910 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7912 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7914 * c-common.c (c_common_nodes_and_builtins): Set prototype
7915 parameters for __builtin_fputs, __builtin_fputc and
7916 __builtin_fwrite. Don't declare plain fputc as a builtin.
7918 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7920 * loop.c (add_label_notes): Increment the label usage count when
7921 a note is added to an insn which refers to a CODE_LABEL.
7922 * gcse.c (add_label_notes): Likewise.
7924 2001-01-01 Andreas Jaeger <aj@suse.de>
7926 * loop.c (scan_loop): Use xmalloc to allocate movables.
7928 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7930 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7931 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7932 * reload1.c (REGISTER_MOVE_COST): Likewise.
7933 * regclass.c (REGISTER_MOVE_COST): Likewise.
7934 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7935 dimension. Adjust all users.
7936 (init_reg_sets_1): Iterate on all modes.
7937 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7938 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7939 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7940 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7941 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7942 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7943 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7944 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7945 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7946 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7947 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7948 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7949 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7950 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7951 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7952 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7953 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7954 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7955 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7956 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7957 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7958 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7959 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7960 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7961 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7962 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7963 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7965 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7967 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7968 arg VARIES_P. Call it with extra arg.
7969 (true_dependence): Likewise.
7970 * rtl.h (rtx_addr_can_trap_p): Declare.
7971 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7973 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7974 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7975 pic offset table register if it's zero. All callers changed.
7976 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7978 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7980 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7981 STRING_POOL_ADDRESS_P.
7983 * config/sparc/sparc.c (input_operand): Properly test for short op.
7985 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7986 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7987 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7988 * config/sparc/elf.h: No longer include sol2.h.
7989 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7990 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7992 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7994 2001-01-01 Michael Hayes <mhayes@redhat.com>
7996 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7997 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7998 (record_initial): Likewise.
7999 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8000 (remap_split_bivs): Likewise.
8002 2001-01-01 Michael Hayes <mhayes@redhat.com>
8004 * loop.c (loop_ivs_free): New function.
8005 (strength_reduce): Break out from...
8007 2001-01-01 Michael Hayes <mhayes@redhat.com>
8009 * loop.h (struct iv): New.
8010 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8011 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8012 'reg_biv_class' fields with 'regs' and 'n_regs'.
8013 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8014 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8015 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8017 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8019 * resource.c (mark_referenced_resources): Abort() before
8020 attempting to mark a pseudo register.
8021 (mark_set_resources): Likewise.
8023 2001-01-01 Michael Hayes <mhayes@redhat.com>
8025 * loop.h (REG_IV_CLASS): New accessor macro.
8026 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8027 * unroll.c (REG_IV_CLASS): Likewise.
8029 See ChangeLog.4 for earlier changes.
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