1 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3 * config.gcc: Remove default for xm_file. Clean up local
4 machine type handling. Remove settings of xm_file to
5 something that doesn't exist. In the big switch, set xm_file,
6 don't append to it (the value before the big switch is always
7 null). Don't force build_xm_file or host_xm_file to have a value.
8 * configure.in: Remove default for xm_file. Do not special
9 case $cpu/xm-$cpu.h not existing.
10 * configure: Regenerate.
12 2001-04-04 Diego Novillo <dnovillo@redhat.com>
14 * simplify-rtx.c (simplify_binary_operation): Check for overflow
15 when folding integer division and modulo operations.
17 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
19 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
20 instead of DWARF2_ADDR_SIZE for EH addresses.
21 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
24 2001-04-04 Richard Henderson <rth@redhat.com>
26 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
27 * config/ia64/t-glibc (LIB2ADDEH): Disable.
28 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
30 2001-04-04 Richard Henderson <rth@redhat.com>
32 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
35 2001-04-04 Jakub Jelinek <jakub@redhat.com>
37 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
38 push insns to delete to it instead of deleting them.
39 (delete_null_pointer_checks): Delete insns from delete_list after
40 all delete_null_pointer_checks_1 passes are done.
42 2001-04-04 Richard Henderson <rth@redhat.com>
44 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
47 2001-04-04 Zack Weinberg <zackw@stanford.edu>
49 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
50 * config/romp/xm-romp.h: Delete.
52 2001-04-04 Bernd Schmidt <bernds@redhat.com>
54 * sched-deps.c (sched_analyze_insn): Partially revert March 27
57 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
59 * emit-rtl.c (mark_label_nuses) Increment the label uses for
60 all labels present in rtx.
61 (try_split) Call new function for all split insns.
63 2001-04-04 Jakub Jelinek <jakub@redhat.com>
65 * recog.c (validate_replace_rtx_1): Instead of aborting just make
66 sure the change won't be validated.
68 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
70 * rtl.h (set_noop_p): Declare.
71 * flow.c (set_noop_p): Move from here ...
72 * rtlanal.c (set_noop_p): ... to here and enhance.
73 * cse.c (delete_trivially_dead_insns): Use it.
74 * gcse.c (hash_scan_set): Likewise.
75 * jump.c (delete_noop_moves): Likewise.
76 * recog.c (split_all_insns): Likewise.
78 2001-04-04 Alan Modra <alan@linuxcare.com.au>
80 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
81 stack pointer via a LO_SUM. Ditto for setting a temp register
82 used to save to the stack. Set cfa_temp when setting fp, and
83 allow matches to cfa_temp in addition to cfa_store when saving
84 regs. Handle POST_INC and LO_SUM register stores. Document the
85 changes and errors in rule 12 doco.
87 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
88 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
89 (load_reg): Move closer to epilogue code.
90 (DO_FRAME_NOTES): Define to control the following..
91 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
92 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
94 (hppa_expand_epilogue): Likewise.
96 2001-04-03 Richard Henderson <rth@redhat.com>
98 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
101 2001-04-03 Richard Henderson <rth@redhat.com>
103 * rtl.h (LCT_THROW): New.
104 * calls.c (emit_library_call_value_1): Handle it.
105 * except.c (connect_post_landing_pads): Use it.
107 2001-04-03 Zack Weinberg <zackw@stanford.edu>
109 * gansidecl.h: Delete file.
110 * configure.in: Change all refs to gansidecl.h to use
111 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
113 * configure: Regenerate.
115 * Makefile.in (intl.o): Don't depend on gansidecl.h.
116 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
117 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
118 Don't include gansidecl.h.
119 * intl.c, main.c, version.c, fixinc/fixlib.h,
120 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
123 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
125 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
128 2001-04-03 Zack Weinberg <zackw@stanford.edu>
130 * config/i386/xm-beos.h, config/i386/xm-isc.h,
131 config/i386/xm-next.h, config/i386/xm-sco.h,
132 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
133 config/m88k/xm-m88k.h: Delete.
135 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
136 * config/romp/xm-romp.h: Don't define bcopy.
137 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
138 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
140 * config.gcc: Remove references to deleted files.
142 14 xm-host.h remain, 1 xm-cpu.h.
144 2001-04-03 Jakub Jelinek <jakub@redhat.com>
145 David S. Miller <davem@pierdol.cobaltmicro.com>
146 Andrew MacLeod <amacleod@redhat.com>
148 Use byte offsets in SUBREGs instead of words.
150 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
151 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
152 to pass new argument.
153 (add_stored_regs): Use subreg_regno_offset function.
154 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
156 (precompute_arguments): Use gen_lowpart_SUBREG.
157 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
158 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
159 (simplify_set): Rework to use SUBREG_BYTE.
160 (expand_field_assignment): Use SUBREG_BYTE.
161 (make_extraction): Use SUBREG_BYTE.
162 (if_then_else_cond): Use SUBREG_BYTE.
163 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
164 (gen_lowpart_for_combine): Compute full byte offset.
165 * cse.c (mention_regs): Use SUBREG_BYTE.
166 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
167 (canon_hash): Use SUBREG_BYTE.
168 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
169 (gen_lowpart_if_possible): Formatting.
170 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
172 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
173 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
174 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
175 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
176 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
177 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
178 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
179 certain invariants about SUBREGs the compiler creates.
180 (gen_lowpart_SUBREG): New function.
181 (subreg_hard_regno): New function to get the final register number.
182 (gen_lowpart_common): Use SUBREG_BYTE.
183 (gen_imagpart): Spacing nits.
184 (subreg_realpart_p): Use SUBREG_BYTE.
185 (gen_highpart): Use SUBREG_BYTE.
186 (subreg_lowpart_p): Always compute endian corrected goal offset,
187 even at the byte level, then compare against that.
188 (constant_subword): New function, pulled out all constant cases
189 from operand_subword and changed second argument name to offset.
190 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
191 and call constant_subword to do the work. Return const0_rtx if
192 looking for a word outside of OP.
193 (operand_subword_force): Change second arg name to offset.
194 * expmed.c (store_bit_field): Use SUBREG_BYTE.
195 (store_split_bit_field): Use SUBREG_BYTE.
196 (extract_bit_field): Use SUBREG_BYTE.
197 (extract_split_bit_field): Use SUBREG_BYTE.
198 (expand_shift): Use SUBREG_BYTE.
199 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
200 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
201 * flow.c (set_noop_p): Use SUBREG_BYTE.
202 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
203 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
204 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
206 (optimize_bit_field): Use SUBREG_BYTE.
207 (purge_addressof_1): Use SUBREG_BYTE.
208 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
209 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
210 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
211 * gengenrtl.c (special_rtx): Add SUBREG.
212 * global.c (mark_reg_store): Use SUBREG_BYTE.
213 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
214 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
215 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
216 final byte offset is congruent to subreg's mode size.
217 (subst_constants): Use SUBREG_BYTE.
218 (mark_stores): Use subreg_regno_offset function.
219 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
220 function and SUBREG_BYTE.
221 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
222 (reg_is_born): Use subreg_hard_regno.
223 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
224 endian correction code. Don't combine subregs unless resulting
225 offset aligns with type. Fix subreg constant extraction for DImode.
226 Simplify SUBREG of VOIDmode CONST_DOUBLE.
227 (general_operand): Remove dead mode_altering_drug code.
228 (indirect_operand): Use SUBREG_BYTE.
229 (constrain_operands): Use subreg_regno_offset function.
230 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
231 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
232 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
233 * regs.h (REG_SIZE): Allow target to override.
234 (REGMODE_NATURAL_SIZE): New macro which target can override.
235 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
236 on the entire subreg rtx.
237 (push_reload): Use SUBREG_BYTE in comments and code.
238 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
239 for hard registers inside subregs.
240 (operands_match_p): Use subreg_regno_offset.
241 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
242 containing hard regs.
243 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
244 corrections when fixing up MEM subregs.
245 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
246 subreg_regno_offset where appropriate.
247 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
248 byte endian corrections when fixing up MEM subregs.
249 (subst_reloads): When combining two subregs, make sure final
250 offset is congruent to subreg's mode size.
251 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
252 (refers_to_regno_for_reload_p): Use subreg_regno.
253 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
254 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
255 correction code for memory subreg fixups.
256 (forget_old_reload_1): Use subreg_regno_offset.
257 (choose_reload_regs): Use subreg_regno.
258 (emit_input_reload_insns): Use SUBREG_BYTE.
259 (reload_combine_note_store): Use subreg_regno_offset.
260 (move2add_note_store): Use subreg_regno_offset.
261 * resource.c (update_live_status, mark_referenced_resources): Use
262 subreg_regno function.
263 (mark_set_resources): Use subreg_regno function.
264 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
265 (subreg_regno_offset, subreg_regno): Define prototypes.
266 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
267 (gen_lowpart_SUBREG): Add prototype.
268 * rtl.texi (subreg): Update to reflect new byte offset representation.
269 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
270 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
271 (reg_overlap_mentioned_p): Use subreg_regno.
272 (replace_regs); Make sure final offset of combined subreg is
273 congruent to size of subreg's mode.
274 (subreg_regno_offset): New function.
275 (subreg_regno): New function.
276 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
277 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
278 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
279 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
280 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
281 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
282 (a29k_get_reloaded_address): Use SUBREG_BYTE.
283 (print_operand): Use SUBREG_BYTE.
284 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
285 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
286 (arm_reload_out_hi): Use SUBREG_BYTE.
287 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
288 instead of SUBREG_WORD.
289 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
290 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
291 SUBREG creation to use byte offset.
292 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
293 inverted load insns): Fix explicit rtl subregs to use byte
295 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
296 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
297 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
298 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
300 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
301 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
302 offsets, also make sure it is congruent to SUBREG's mode size.
303 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
304 unnamed ldob insn): Generate SUBREGs with byte offset.
305 (zero_extendqihi2): SUBREG's are byte offsets.
306 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
307 (m68hc11_gen_highpart): Use SUBREG_BYTE.
308 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
309 zero-extendqisi2): Generate SUBREGs with byte offset.
310 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
311 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
312 subregs in rtl to use byte offsets.
313 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
314 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
315 (mips_move_2words): Use subreg_regno_offset.
316 (mips_secondary_reload_class): Use subreg_regno_offset.
317 * config/mips/mips.md (DImode plus, minus, move, and logical op
318 splits): Fixup explicit subregs in rtl to use byte offsets.
319 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
320 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
321 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
322 rtl to use byte offsets.
323 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
324 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
325 subregs to use byte offsets.
326 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
327 Fixup explicit subregs in rtl to use byte offsets.
328 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
329 and remove byte endian correction code.
330 * config/sh/sh.c (output_movedouble): Use subreg_regno.
331 (gen_ashift_hi): Use SUBREG_BYTE.
332 (regs_used): Use subreg_regno_offset.
333 (machine_dependent_reorg): Use subreg_regno_offset.
334 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
335 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
336 (movdf_i4): Subregs are byte offsets now.
337 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
338 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
339 (REGMODE_NATURAL_SIZE): Override.
340 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
341 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
343 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
344 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
345 extendqidi2): Generate SUBREGs with byte offsets, also make sure
346 it is congruent to SUBREG's mode size.
347 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
349 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
350 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
351 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
352 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
353 * config/v850/v850.c (print_operand, output_move_double): Use
354 subreg_regno function.
356 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
358 * configure.in (target_subdir): Use target_alias, not target.
359 * configure: Rebuilt.
361 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
363 * config/sh/crti.asm: Fix typos in comments.
365 2001-04-03 Alan Modra <alan@linuxcare.com.au>
367 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
368 TARGET_FAST_INDIRECT_CALLS.
369 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
371 (return_addr_rtx): Short circuit export stub matching when
372 TARGET_NO_SPACE_REGS.
373 (output_millicode_call): For out of range calls, make -fPIC
374 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
375 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
376 * pa.md: Modify length attr calculation of all millicode insns to
379 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
381 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
382 Require at least 2.11 in the version test. Specifically check
383 for and reject GAS version 2.10.90.
384 * configure: regenerate.
386 2001-04-03 Alan Modra <alan@linuxcare.com.au>
388 * pa.c (override_options): Remove PIC profiling warning.
389 (hp_profile_labelno): Delete.
390 (hp_profile_label_rtx): Delete.
391 (hp_profile_label_name): Delete.
392 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
393 (output_function_prologue): Remove profiling code and all tests on
394 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
395 merge_sp_adjust_with_store can work for PIC and profiling.
396 (hppa_expand_epilogue): Remove profile_flag test.
397 (hppa_can_use_return_insn_p): Likewise.
398 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
399 cater for PROFILE_HOOK.
400 (hppa_profile_hook): New function.
401 * pa.h (FUNCTION_PROFILER): Now does nothing.
402 (PROFILE_HOOK): Define.
403 (hppa_profile_hook): Declare.
404 (PROFILE_BEFORE_PROLOGUE): Delete.
405 (ASM_OUTPUT_REG_PUSH): Delete.
406 (ASM_OUTPUT_REG_POP): Delete.
407 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
408 r24. Accept function name operand, and use this and a locally
409 generated label to calculate pc-rel offset to func start.
411 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
414 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
417 2001-04-03 Alan Modra <alan@linuxcare.com.au>
419 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
420 LO_SUM cases to where they belong.
422 2001-04-02 Richard Henderson <rth@redhat.com>
424 * except.h (lang_eh_type_covers): Mark extern.
425 (lang_eh_runtime_type): Likewise.
427 2001-04-02 Zack Weinberg <zackw@stanford.edu>
429 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
430 gengenrtl.c: Wrap generated header in multiple-include guard.
431 Improve error checking.
433 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * configure.in: Don't check for putenv.
436 * configure: Regenerate.
437 * gcc.c (putenv): Don't define.
438 * vax/xm-vms.h: Handle putenv.
440 2001-04-02 Jakub Jelinek <jakub@redhat.com>
442 * ifcvt.c (noce_emit_move_insn): New.
443 (noce_try_store_flag, noce_try_store_flag_constants,
444 noce_try_store_flag_inc, noce_try_store_flag_mask,
445 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
446 noce_try_abs): Use it.
447 (noce_process_if_block): Likewise.
448 For STRICT_LOW_PART, take mode from its SUBREG.
450 2001-04-02 Jakub Jelinek <jakub@redhat.com>
452 * fold-const.c (fold): Before optimizing unsigned comparison with
453 0x7fffffffU, make sure arg0 is integral type.
455 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
457 * c-tree.texi: Document representation of wide strings.
459 2001-04-01 Richard Henderson <rth@redhat.com>
461 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
463 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
465 * i386.md: remove obsoleted comments.
466 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
467 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
470 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
472 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
474 2001-03-30 Bernd Schmidt <bernds@redhat.com>
476 * loop.c (load_mems): When generating a load from a pseudo, update
479 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
481 * i386.c (ix86_split_long_move): Use change address to compensate
482 stack pointer change in push instruction.
484 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
486 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
487 instead of rtx_equal_p; fix the output template.
489 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
491 * i386.c (ix86_expand_setcc): Support 64bit.
492 (ix86_expand_int_movcc): Likewise.
493 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
496 * i386.md (allocate_stack_worker): Turn to expander.
497 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
499 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
501 2001-03-29 Richard Henderson <rth@redhat.com>
503 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
505 2001-03-28 Matthew Hiller <hiller@redhat.com>
507 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
510 * MAINTAINERS: Added self.
512 2001-03-28 Richard Henderson <rth@redhat.com>
514 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
515 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
517 2001-03-28 Jim Wilson <wilson@redhat.com>
519 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
522 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
524 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
526 * tradcif.y (yyerror): Likewise. Add format specifier in call to
529 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
531 2001-03-28 DJ Delorie <dj@redhat.com>
533 * Makefile.in (stage1_build): Revert CFLAGS patch.
535 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
537 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
538 when multiplier or multiplicand is zero.
540 2001-03-28 Bernd Schmidt <bernds@redhat.com>
542 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
544 * config/ia64/ia64.c (update_set_flags): New function, broken out of
546 (set_src_needs_barrier): Likewise.
547 (rtx_needs_barrier): For SET case, use these two functions. Rework
548 PARALLEL case to handle all inputs before all outputs.
549 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
550 saw a label and no stop bit since then.
551 (maybe_rotate, process_epilogue): Add prototypes.
553 2001-03-28 Richard Henderson <rth@redhat.com>
555 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
556 not TARGET_TOC for special toc restore handling.
557 * config/rs6000/rs6000.md (eh_return): Likewise.
559 2001-03-28 Richard Henderson <rth@redhat.com>
561 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
562 current_function_calls_eh_return.
563 (output_function_epilogue): Handle eh_return.
564 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
565 (EH_RETURN_DATA_REGNO): New.
566 (EH_RETURN_STACKADJ_RTX): New.
567 (EH_RETURN_HANDLER_RTX): New.
568 * config/sparc/sparc.md (call/short branch peepholes): Check
569 can_throw_internal instead of in_same_eh_region.
571 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
572 for eh_return data registers.
573 (rs6000_emit_prologue): Save eh_return data registers.
574 (rs6000_emit_epilogue): Force inline restores if eh_return.
575 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
576 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
577 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
578 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
580 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
581 (return_eh_si, return_eh_di): Remove.
582 (eh_return): New, from corpse of eh_epilogue.
583 (eh_set_lr_si, eh_set_lr_di): New.
585 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
586 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
587 True for pic register if current_function_calls_eh_return.
588 (ix86_expand_epilogue): Change "emit_return" argument into "style".
589 Handle eh_return requirements.
590 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
591 (EH_RETURN_STACKADJ_RTX): New.
592 * config/i386/i386.md (exception_receiver): Remove.
593 (eh_return, eh_return_1): New.
594 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
596 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
597 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
598 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
599 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
600 (EH_RETURN_DATA_REGNO): New.
601 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
602 * config/alpha/alpha.md (eh_epilogue): Remove.
603 (exception_receiver): Use $26 for ldgp input.
604 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
606 2001-03-28 Richard Henderson <rth@redhat.com>
608 * except.c: Rewrite entirely for IA-64 ABI exception handling.
609 * except.h: Likewise.
611 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
613 (LIB2FUNCS_EH): Remove.
614 (LIB2ADD): Remove LIB2ADDEH.
615 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
616 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
617 (crt{begin,end}[S].o): Likewise.
618 (except.o): Update includes.
619 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
620 (libgcc2_c_dep): Use LIB2ADDEHDEP.
622 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
623 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
624 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
625 * builtins.c (expand_builtin): Implement it.
626 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
627 * c-common.c (c_common_nodes_and_builtins): Declare it.
628 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
629 * calls.c (libfunc_nothrow): Remove.
630 (emit_library_call_value_1): Don't call it.
631 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
632 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
633 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
634 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
635 (current_funcdef_number): Globalize.
636 (output_call_frame_info): Emit frame data if an lsda is needed.
637 Generate augmentation for personality routine. Don't play with
639 (dwarf2out_begin_prologue): Record funcdef_number.
640 * dwarf2out.h (current_funcdef_number): Declare.
641 * expr.c (expand_expr): Update for except.h name changes.
642 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
643 * expr.h (LTI_throw, LTI_rethrow): Remove.
644 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
645 (LTI_eh_rtime_match): Remove.
646 (LTI_unwind_resume, LTI_eh_personality): Add.
647 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
648 * final.c (final): Don't call check_exception_handler_labels,
649 init_insn_eh_region, or free_insn_eh_region.
650 (final_scan_insn): Always emit debug labels for
651 NOTE_INSN_EH_REGION notes.
652 * flags.h (flag_new_exceptions): Remove.
653 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
654 (record_active_eh_regions): Remove.
655 (count_basic_blocks): Check all instructions for REG_EH_REGION.
656 Use can_throw_internal.
657 (find_basic_blocks_1): Likewise.
658 (move_stray_eh_region_notes): Remove.
659 (find_label_refs): No eh_return_stub_label.
660 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
661 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
663 (delete_unreachable_blocks): Don't track deleted handlers.
664 (flow_delete_block): Use maybe_remove_eh_handler.
665 (delete_eh_regions): Remove.
666 (merge_blocks): Don't check for eh region match.
667 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
668 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
669 (init_propagate_block_info): Disable dead frame store optimization
670 when current_function_calls_eh_return.
671 (dump_bb): Don't print eh_beg, eh_end.
672 * function.c (fixup_var_refs): No catch_clauses.
673 (expand_function_end): Likewise. Call expand_eh_return before
674 the return register use. Call sjlj_emit_function_exit_after.
675 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
676 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
677 * ifcvt.c (dead_or_predicable): Remove eh region check.
678 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
679 Don't check for EH vs parameters.
680 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
681 (expand_inline_function): Call duplicate_eh_regions.
682 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
683 (copy_insn_notes): Remap REG_EH_REGION notes.
684 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
685 * integrate.h (struct inline_remap): Add local_return_label.
686 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
687 check_exception_handler_labels, nor exception_optimize.
688 (find_cross_jump): No EH region check.
689 * optabs.c (init_optabs): Update for changed eh libfuncs.
690 * rtl.def (RESX): New.
691 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
692 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
693 checks. Update for except.h name changes.
694 (expand_cleanups): Likewise.
695 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
696 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
697 (compile_file): Call init_eh before init_optabs. Don't
698 output_exception_table here.
699 (rest_of_compilation): Call convert_from_eh_region_ranges,
700 convert_to_eh_region_ranges, output_function_exception_table.
701 Don't emit_eh_context.
702 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
705 * md.texi (eh_epilogue): Remove.
706 (eh_return): Document.
707 * tm.texi (EH_RETURN_DATA_REGNO): Document.
708 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
710 * eh-common.h: Remove file.
711 * frame-dwarf2.c, frame.c, frame.h: Remove files.
712 * libgcc2.c (L_eh): Remove.
714 * unwind-dw2-fde.c: New file, largely copied from frame.c.
715 * unwind-dw2-fde.h: New file.
716 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
717 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
718 * libgcc-std.ver: Update for eh symbols.
720 2001-03-27 Richard Henderson <rth@redhat.com>
722 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
723 reduce false positives.
724 (regmove_optimize): Disable if flag_non_call_exceptions.
726 * stmt.c (expand_return): Remove always true predicate.
727 (expand_decl_cleanup_no_eh): Remove dead code.
729 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
730 barrier code. Add a scheduling barrier if a non-call insn
731 can throw internally.
733 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
734 Auto-inc addresses trap only if their base register does.
736 * except.c (can_throw_internal): Rename from can_throw.
737 * except.h, resource.c: Update references.
739 * integrate.c (copy_insn_list): Use returnjump_p.
740 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
742 * function.h (struct function): Move all boolean valued fields
743 to single bit fields at the end of the struct.
745 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
747 Rename asynchronous_exceptions to flag_non_call_exceptions.
749 * gthr-single.h (UNUSED): New. Distinguish between how C
750 and C++ mark unused function arguments. Use throughout.
752 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
753 value to target configuration header.
754 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
755 * config.in, configure: Rebuild.
756 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
757 configuration and target defines.
758 (exceptions_via_longjmp): Remove.
759 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
760 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
762 * except.h (flag_non_call_exceptions): Move ...
765 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
766 exceptions, put the note on the trapping instruction.
768 * flags.h (flag_new_exceptions): Remove.
769 * toplev.c: Don't set it.
770 * final.c: Don't check it.
771 * except.c: Provide stub definition.
773 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
774 (calculate_global_regs_live): Kill call-clobbered registers
775 across exception edges.
776 * reg-stack.c (convert_regs_1): Kill the entire target stack
777 across non-call exception edges.
779 * flow.c (cleanup_cfg): Take no argument.
780 * output.h, sibcall.c, toplev.c: Update all calls.
782 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * configure.in: Don't check for bcopy.
785 * configure, config.in: Regenerate.
787 * system.h: Don't define or prototype bcopy, instead poison it.
789 2001-03-27 Richard Henderson <rth@redhat.com>
791 * function.c (expand_function_start): Set DECL_REGISTER on
792 a pseudo used for DECL_RESULT.
794 * rtl.h (LCT_NORETURN): New.
795 * calls.c (emit_library_call_value_1): Handle it.
797 2001-03-27 Stan Shebs <shebs@apple.com>
799 * objc/objc-act.c (objc_init): Use dump_base_name.
800 (gen_declaration): Clear the buffer arg.
801 (gen_declaration_1): New function, body of gen_declaration.
802 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
803 (gen_method_decl): Ditto, plus always clear buffer arg.
804 (error_with_ivar): Simplify.
805 (warn_with_method): Ditto.
806 (build_message_expr): Don't clear buffers.
807 (dump_interface): Ditto.
809 (build_keyword_selector): Clear the buffer by only zeroing
811 (objc_implementation_context): Declare.
812 (start_class): Warn about missing @end.
813 (finish_objc): Ditto.
815 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
817 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
819 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * Makefile.in (SYSTEM_H): Define.
822 Depend on $(SYSTEM_H), not system.h.
824 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
826 2001-03-27 Jim Wilson <wilson@redhat.com>
828 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
830 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
831 (process_epilogue): New static function.
832 (process_set): Call process_epilogue instead of emitting .restore
834 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
836 * flow.c (struct reg_cond_life_info): New fields orig_condition
838 (init_propagate_block_info): Set new fields.
839 (mark_regno_cond_dead): Set and use new fields.
840 (flush_reg_cond_reg_1): Likewise.
841 (and_reg_cond, case AND): Check for redundant AND conditions.
842 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
845 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
847 * cppmacro.c (stringify_arg): Null terminate strings.
849 2001-03-27 Zack Weinberg <zackw@stanford.edu>
851 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
852 inclusion style. xm-m68hc11.h no longer exists.
853 * config/m68hc11/xm-m68hc11.h: Delete file.
854 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
856 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
857 Don't define GCC_VERSION, N_, or PARAMS; don't include
858 gansidecl.h or stdio.h. Define inhibit_libc here.
859 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
860 Delete code conditioned on #if GCC_VERSION == 2095.
862 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
863 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
864 Delete code conditioned on #if GCC_VERSION == 2095.
866 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * system.h: Include symcat.h.
869 (STRINGIFY): Don't define.
871 * configure.in: Adjust comment.
873 * builtins.c: Use STRINGX, not STRINGIFY.
874 * gencheck.c: Likewise.
875 * gengenrtl.c: Likewise.
876 * protoize.c: Likewise.
878 * cpplex.c: Don't include symcat.h.
879 * cpplib.c: Likewise.
881 * gansidecl.h (HAVE_STRINGIZE): Don't define.
883 2001-03-27 Alan Modra <alan@linuxcare.com.au>
885 * c-typeck.c (digest_init): Fold init expression.
887 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
891 2001-03-27 Alan Modra <alan@linuxcare.com.au>
893 * except.c (eh_regs): Save results of build_pointer_type to a temp
894 as FUNCTION_VALUE macro may evaluate its args multiple times.
896 2001-03-26 Mark Mitchell <mark@codesourcery.com>
898 * c-common.h (DECL_NUM_STMTS): New macro.
899 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
901 (pushdecl): Likewise.
902 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
903 * integrate.c (expand_inline_function): Don't check
905 * print-tree.c (print_node): Don't print it.
906 * toplev.c (rest_of_compilation): Don't try to inline when
907 flag_no_inline is on.
908 * tree.h (DECL_FRAME_SIZE): Remove.
909 (tree_decl): Adjust accordingly.
911 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
913 * combine.c (try_combine): Use memcpy, not bcopy.
915 * genattrtab.c (expand_units): Likewise.
917 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
919 * i386.md (push mem DI peep2): New.
920 (mov 0, mov -1 peep2): Handle 64bit.
921 (lea to arithmetics peep2): Handle 64bit leas.
922 (rsp arithmetics to push/pop peep2s): New.
924 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
926 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
928 * i386.c (struct machine_function): Add save_varrargs_registers.
929 (ix86_save_varrargs_registers): New macro.
930 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
931 (ix86_expand_prologue): Likewise.
932 (ix86_emit_epilogue_esp_adjustement): Likewise.
933 (ix86_expand_epilogue): Likewise.
934 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
935 (pro_epilogue_adjust_stack_1): New insn.
936 (pro_epilogue_adjust_stack_rex64): Likewise.
937 * i386.h (MASK_NO_RED_ZONE): New constant.
938 (TARGET_RED_ZONE): New macro.
939 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
940 (RED_ZONE_SIZE): New constant.
941 (RED_ZONE_RESERVE): New constant.
943 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * toplev.c (set_float_handler): Use memcpy, not bcopy.
947 2001-03-25 Kazu Hirata <kazu@hxi.com>
949 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
955 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
957 * mkconfig.sh (DEFINES): Handle entries with '='.
959 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
960 Set xm_defines to MACRO=value instead.
962 * i370/xm-mvs.h: Delete.
964 * ns32k/xm-pc532-min.h: Likewise.
966 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
968 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
970 use ix86_expand_binary_operator
971 (?sh??i_?): Disable for 64bit.
972 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
973 * i386.c (shiftdi_operand): New predicate.
975 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
976 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
977 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
978 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
979 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
980 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
981 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
982 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
983 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
984 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
985 (rotldi3, rotrdi3): New expanders.
987 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
989 * i386.md (movstrsi): Move offline.
991 (strmovdi_rex64): New.
992 (strmov?i): Accept 64bit.
993 (strmov?i_rex64): New.
994 (strmov?i_rex_1): New.
995 (strmov?i_1): Disable for 64bit.
996 (rep_mov?i_rex64): New.
997 (rep_mov?i): Disable for 64bit.
998 (clrstrsi): Move offline.
999 (strset?i_rex64): New.
1000 (strset?i: Accept 64bit.
1001 (rep_stos?i): Disable for 64bit.
1002 (rep_stos?i_rex64): New.
1003 (strset?i_rex_1): New.
1004 (strset?i_1): Disable for 64bit.
1005 (cmpstrsi): Accept 64bit.
1006 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1007 (cmpstrqi_nz_rex_1): New.
1008 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1009 (strlensi): Move offline.
1011 (strlenqi_1): Disable for 64bit; fix constraints.
1012 (strlenqi_rex_1): New.
1013 * i386.c (ix86_adjust_counter): New static function.
1014 (ix86_zero_extend_to_Pmode): Likewise.
1015 (ix86_expand_aligntest): Likweise.
1016 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1017 (ix86_expand_movstr): New global function.
1018 (ix86_expand_clrstr): New global function.
1019 (ix86_expand_strlen): New global function.
1020 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1021 ix86_expand_strlen): Declare.
1022 (ix86_expand_strlensi_unroll_1): Delete.
1024 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1026 * i386.md (cmpdi): Fix operand predicates.
1027 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1028 cmpdi_1_insn_rex64): New patterns.
1029 (adddi3): Turn to expander.
1030 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1031 (addsi3_carry_zext): New pattern.
1032 (adddi_?_rex64): New patterns and splitters.
1033 (addsi_?_zext): New patterns.
1034 (subsi3_carry_zext): New pattern.
1035 (subdi_?_rex64): New patterns and splitters.
1036 (iorsi_?_zext): New patterns.
1037 (iordi_?_rex64): New patterns and splitters.
1038 (iorsi_?_zext): New patterns.
1039 (iorsi_?_zext_imm): New patterns.
1040 (xorsi_?_zext): New patterns.
1041 (xordi_?_rex64): New patterns and splitters.
1042 (xorsi_?_zext): New patterns.
1043 (negdi*): New patterns.
1044 (one_cmpldi*): Likewise.
1045 (one_cmplsi*_zext, negsi*_zext): Likewise.
1046 (testqi_ext_3_rex64): New pattern.
1048 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1050 * i386-protos.h (ix86_split_long_move): Return void.
1051 * i386.c (ix86_split_to_parts): Handle 64bit target.
1052 (ix86_split_long_move): Likewise.
1053 * i386.md (all calls to ix86_split_long_move): Update.
1055 2001-03-23 Richard Henderson <rth@redhat.com>
1057 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1058 to avoid shadowing arguments.
1060 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1062 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1063 to variable names where DECL_NAME is different from
1064 DECL_ASSEMBLER_NAME.
1066 2001-03-23 Jim Wilson <wilson@redhat.com>
1068 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1069 (assemble_alias): Call make_decl_rtl.
1071 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1073 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1075 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1077 * extend.texi: Document the "java_interface" attribute.
1079 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1081 * mkconfig.sh: Use a subshell with redirected stdout,
1082 instead of closing stdout and confusing commands that run
1083 afterward. Throw away output of cmp.
1085 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1087 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1089 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1091 * i386.md (zero_extendsidi2_32): Break out from ...
1092 (zero_extendsidi2): ... here ; turn to expander.
1093 (zero_extendsidi2_rex64): New.
1094 (extendsidi2_32): Break out from ...
1095 (extendsidi2): ... here ; turn to expander.
1096 (extendsidi2_rex64): New.
1097 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1098 (trunc?f?f splitters): Add 64bit versions.
1100 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1102 * i386.md (pushsi, pushsi2_prologue): Disable.
1103 (pushsi2_rex64): New.
1104 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1105 (movqi_ext_1): Disable for 64bit.
1106 (movqi_ext_1_rex64): New.
1107 (pushdi2_rex64): New pattern, peep2s and splitter.
1108 (pushdi2_prologue_rex64): New pattern.
1109 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1111 (movdi splitters): Disable for 64bit.
1112 (movdi_1_rex64): New pattern, peep2s and splitters.
1113 (swapdi): New pattern.
1114 (pushsf): Disable for 64bit.
1115 (pushsf_rex64): New pattern and splitter.
1116 (pushdf_nointeger): Disable for 64bit.
1117 (pushdf_integer): Handle the 64bit case.
1118 (pushtf): Likewise; update splitters.
1120 2001-03-22 Richard Henderson <rth@redhat.com>
1122 * mkconfig.sh: Include insn-flags.h.
1123 * Makefile.in (CONFIG_H): Include insn-flags.h.
1124 (lots of objects): Remove insn-codes.h and insn-flags.h.
1126 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1127 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1128 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1129 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1130 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1131 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1132 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1133 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1134 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1135 v850/v850.c, vax/vax.c:
1136 Don't include insn-flags.h.
1138 * diagnostic.c, expr.h, reload.c, toplev.c:
1139 Don't include insn-codes.h.
1141 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1142 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1143 c4x/c4x.c, i960/i960.c, mips/mips.c:
1144 Don't include insn-codes.h or insn-flags.h.
1146 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1147 or insn-flags.h in the generated code.
1148 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1149 (main): Forward declare struct rtx_def.
1151 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1153 * invoke.texi (-ffast-math): Remove duplicate line about
1156 * gcc.texi: Remove more obsolete documentation of bugs and
1157 installation problems.
1159 2001-03-21 Kazu Hirata <kazu@hxi.com>
1161 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1164 2001-03-20 Jason Merrill <jason@redhat.com>
1166 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1168 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1169 * varasm.c (CHKR_PREFIX): Likewise.
1171 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1173 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1174 is part of a multi-SET insn.
1176 * cse.c (find_comparison_args): Remove previous change.
1177 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1180 * config/i386/i386.md (conditional_trap): Remove warning.
1182 * recog.c (push_operand): Fix error in last change that caused
1183 undefined symbol on many targets.
1185 * sdbout.c: #include ggc.h.
1186 (sdbout_init): Move to end of file.
1187 Call ggc_add_tree_root for anonymous_types.
1188 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1189 (sdbout_one_type): Use DECL_NAME for field name.
1190 * Makefile.in (sdbout.o): Show includes ggc.h.
1192 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1194 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1195 (override_options): Use properlimits for preferred_stack_boundary.
1196 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1198 (ext_register_operand): Accept DImode.
1199 (load_pic_register): Abort on 64bit.
1200 (gen_push): Use Pmode instead of SImode.
1201 (ix86_save_reg): Pic reg is never used on 64bit.
1202 (ix86_expand_prologue): Likewise.
1203 (ix86_emit_save_regs): Use Pmode instead of SImode.
1204 (legitimate_address_p): Check displacement for 64bit.
1205 (print_operand): Avoid outputting of (%rip) on 64bit.
1206 (print_operand_address): Output (%rip) where possible.
1207 (split_di): Abort on 64bit registers.
1208 (ix86_expand_branch): DImode comparison is simple for x86_64.
1209 (memory_address_length): Recognize memory addresses formed using
1211 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1213 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1215 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1217 * recog.c (push_operand): Recognize new format of push instructions.
1219 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1221 * i386.md (pushqi1): New.
1222 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1223 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1224 x86_64_immediate_operand, x86_64_immediate_operand,
1225 x86_64_zext_immediate_operand): Declare.
1226 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1227 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1228 x86_64_immediate_operand, x86_64_immediate_operand,
1229 x86_64_zext_immediate_operand): define.
1230 * i386.h (PREDICATE_CODES): Add new predicates.
1232 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1234 * i386.md (pophi1, popqi1, pushqi1): Remove.
1236 * expr.c (emit_single_push_insn): New function.
1237 (move_by_pieces): Accept NULL as destination for push instructions.
1238 (gen_push_operand): Kill.
1239 (emit_push_insn): Pass NULL when pushing; avoid updating of
1240 stack_pointer_delta.
1241 * expr.h (gen_push_operand): Kill.
1243 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1245 * rtl.texi (COMPARE): Clarify documentation and reference section
1248 2001-03-20 Stan Shebs <shebs@apple.com>
1250 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1251 (get_object_reference): Ditto.
1252 (error_with_ivar): Use error_with_file_and_line.
1253 (warn_with_method): Use warning_with_file_and_line.
1255 2001-03-20 Tom Tromey <tromey@redhat.com>
1257 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1259 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1261 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1262 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1264 2001-03-20 DJ Delorie <dj@redhat.com>
1266 * Makefile.in (install-libgcc): Pass complete list of variables.
1267 (install-multilib): Ditto.
1269 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1271 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1272 drectve_section, switch_to_section.
1274 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1275 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1276 i386_pe_mark_dllimport.
1278 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1280 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1281 functions i386_pe_*.
1283 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1284 i386_pe_* functions with char * arguments.
1286 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1288 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1290 (movsi_ie): Introduce fpul store.
1292 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1294 * Makefile.in (OBJS): Remove hashtab.o.
1296 2001-03-19 Stan Shebs <shebs@apple.com>
1298 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1299 * c-lang.c (maybe_objc_method_name): Ditto.
1300 * c-tree.h (maybe_objc_method_name): Remove decl.
1302 2001-03-19 Tom Tromey <tromey@redhat.com>
1304 * gcc.c (init_gcc_specs): Fix comment.
1306 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1308 Compute DECL_ASSEMBLER_NAME lazily.
1309 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1310 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1311 (SET_DECL_ASSEMBLER_NAME): Likewise.
1312 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1313 (set_decl_assembler_name): Declare.
1314 (lang_set_decl_assembler_name): Likewise.
1315 * tree.c (lang_set_decl_assembler_name): New variab.e
1316 (set_decl_assembler_name): New function.
1317 (init_obstacks): Set lang_set_decl_assembler_name.
1318 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1319 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1320 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1321 where it's not necessary.
1322 (builtin_function): Likewise.
1323 (finish_decl): Likewise.
1324 * dbxout.c (dbxout_type_methods): Likewise.
1325 * ggc-common.c (ggc_mark_trees): Likewise.
1326 * profile.c (output_func_start_profiler): Likewise.
1327 * varasm.c (make_decl_rtl): Likewise.
1329 * cse.c (find_comparison_args): Update documentation. Fix
1330 mishandling of COMPARE operations.
1332 * tree.def (ABS_EXPR): Add documentation.
1333 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1335 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1337 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1339 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1341 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1342 Remove ia32 linux PIC kludge and move it...
1343 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1345 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1347 * i386.md (absdf2 expander): Fix 64bit case.
1349 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1351 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1353 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1355 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1357 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1359 * README.X11: Remove obsolete file.
1361 2001-03-18 Anthony Green <green@redhat.com>
1363 * config/pj/pj.h: Remove some trailing commas.
1364 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1366 2001-03-18 Richard Henderson <rth@redhat.com>
1368 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1369 * calls.c: ... here.
1370 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1371 defaults for them here.
1373 2001-03-17 Anthony Green <green@redhat.com>
1375 * config/pj/lib1funcs.S: Fix broken comment.
1376 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1379 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * gcc.texi: Remove obsolete information relating to build and
1382 installation problems with enquire or the Pyramid C compiler.
1384 2001-03-17 Richard Henderson <rth@redhat.com>
1386 * dwarf2out.c (queue_reg_save): New.
1387 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1388 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1390 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1391 (cfa, cfa_store, cfa_temp): Make static.
1392 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1394 2001-03-17 Richard Henderson <rth@redhat.com>
1396 * integrate.h (struct inline_remap): Add local_return_label.
1397 * integrate.c (expand_inline_function): Initialize it and emit
1398 it after copy_insn_notes.
1399 (copy_insn_list): Don't store local_return_label here.
1400 (copy_insn_notes): New function split out from copy_insn_list.
1402 2001-03-17 Richard Henderson <rth@redhat.com>
1404 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1405 is generating .debug_line.
1406 (dwarf2out_init): Add main_input_filename to the file table first.
1407 * configure.in (as_dwarf2_debug_line): Test with file number 1
1408 instead of file number 0.
1410 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1413 (gen_rtx_combine): Deleted; all references changed as appropriate.
1414 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1416 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1418 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1420 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1423 2001-03-16 Jim Wilson <wilson@redhat.com>
1425 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1426 then set it to LOC_REG (79) instead of aborting.
1428 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1430 * gccbug.in: Remove high priority.
1432 2001-03-16 Richard Henerson <rth@redhat.com>
1434 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1435 output with a space instead of deleting it.
1436 * configure: Regenerate.
1438 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1440 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1441 handles the gory details of converting an object file into
1442 something that's safe to grep.
1443 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1444 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1445 newlines at either end of the string we're looking for.
1446 Make 'checking ...' message less stilted.
1447 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1448 ARM in-memory layout and its hypothetical converse. Don't
1449 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1450 HOST_WORDS_BIG_ENDIAN.
1452 * configure.in: Adjust for renamed macro. Move
1453 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1454 * configure, config.in: Regenerate.
1456 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1458 * fixinc/Makefile.in: Set SHELL.
1460 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1462 * fixinc/fixincl.c (fix_with_system): Quote file names before
1463 passing them to shell.
1465 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1467 * Makefile.in: Use fix-header$(build_exeext) instead
1470 2001-03-16 Richard Henderson <rth@redhat.com>
1472 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1473 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1474 (size_of_line_prolog): Remove.
1475 (output_line_info): Compute prologue size via label difference.
1476 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1478 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1479 assembler error when redefining file numbers.
1480 * config.in, configure: Rebuild.
1482 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1483 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1484 (dw2_asm_output_delta_uleb128): Likewise.
1485 (dw2_asm_output_delta_sleb128): Similarly.
1486 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1488 2001-03-16 Michael Meissner <meissner@redhat.com>
1490 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1492 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1494 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1496 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1497 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1498 being unsigned in ISO C and signed in traditional.
1499 (expand_prologue): Ditto.
1500 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1502 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1504 (divsi3,divdi3): Ditto.
1505 (modsi3,moddi3): Ditto.
1506 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1507 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1508 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1511 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1513 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1514 SSE based conditional moves on LTGT/UNEQ conditions;
1515 Canonicalize EQ to NE.
1516 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1517 (sse_mov?fcc_ne): New.
1519 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1521 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1523 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1524 register may be dead.
1526 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1528 * Makefile.in (hash.o): Depend on CONFIG_H.
1530 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1532 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1534 2001-03-15 Richard Henderson <rth@redhat.com>
1536 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1537 (ASM_OUTPUT_DWARF_PCREL): New.
1538 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1540 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1542 * cppfiles.c (stack_include_file): Use MAX of sysp.
1544 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1546 * config.gcc (ia64*-*-hpux*): New case.
1547 * config/ia64/hpux.h: New file for HP-UX support.
1548 * config/ia64/t-hpux: New file for HP-UX support.
1550 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1552 * fixinc/inclhack.def (irix_stdio_va_list): New.
1553 * fixinc/fixincl.x: Rebuilt.
1555 2001-03-15 Richard Henderson <rth@redhat.com>
1557 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1558 if provided by the target.
1559 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1560 (dw2_asm_output_addr): New.
1561 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1562 * dwarf2out.c (output_cfi): Use it for program addresses.
1563 (output_call_frame_info, output_die): Likewise.
1564 (output_aranges, output_line_info): Likewise.
1566 2001-03-15 Bruce Korb <bkorb@gnu.org>
1568 * gcc.c(main): make more rigorous
1569 * collect2.c(main): guard against ignoring SIGCHLD
1570 * protoize.c(main): ditto
1571 * gcc/fixinc/fixincl.c(initialize): ditto
1573 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1575 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1576 (sdbout_parms): Likewise.
1578 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1580 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1581 "widen" a destination that is already wider than a word. Also do
1582 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1584 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1586 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1588 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1590 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1592 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1594 * i960.h (i960_maxbitalignment,
1595 i960_last_maxbitalignment): Declare.
1596 * i960.c (i960_maxbitalignment,
1597 i960_last_maxbitalignment): Make global.
1598 (process_pragma): Delete.
1599 (i960_pr_align, i960_pr_noalign): Move from here ...
1600 * i960-c.c: ... to this new file.
1601 * t-960bare (i960-c.o): New rule.
1602 * t-vxworks960 (i960-c.o): Likewise.
1603 * config.gcc (i960-*-*): Define c_target_objs and
1606 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1608 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1609 without adding in rtx code and mode.
1611 * alias.c (init_alias_analysis): Don't use any rtx whose value
1612 varies as a known value.
1613 Delete a superfluous test.
1615 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1617 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1618 scheduling a stop bit.
1619 (ia64_emit_nops): Correctly handle ASMs.
1621 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1623 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1625 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1627 * cpp.texi: Update documentation for -include and -imacros.
1628 * cppfiles.c (struct include_file): Remove "defined" memeber.
1629 (find_or_create_entry): Make a copy of the file name, and
1631 (open_file): Update to ensure we use the simplified filename.
1632 (stack_include_file): Don't set search_from.
1633 (cpp_included): Don't simplify the path name here.
1634 (find_include_file): New prototype. Call search_from to
1635 get the start of the "" include chain. Don't simplify the
1637 (_cpp_execute_include): New prototype. Move diagnostics to
1638 do_include_common. Update.
1639 (_cpp_pop_file_buffer): Don't set defined.
1640 (search_from): New prototype. Use the preprocessor's cwd
1641 for files included from the command line.
1642 (read_name_map): Don't simplify the pathname here.
1643 * cpphash.h (enum include_type): New.
1644 (struct buffer): Delete search from. New search_cached.
1645 (_cpp_execute_include): Update prototype.
1646 * cppinit.c (do_includes): Use _cpp_execute_include.
1647 * cpplib.c (do_include_common): New function.
1648 (do_include, do_include_next, do_import): Use it.
1650 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1652 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1653 contents of the RTL, to determine the name of the object.
1655 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1657 * tree.h (DECL_RTL): Allocate RTL lazily.
1658 (SET_DECL_RTL): New macro.
1659 (DECL_RTL_SET_P): Likewise.
1660 (COPY_DECL_RTL): Likewise.
1661 (DECL_RTL_IF_SET): Likewise.
1662 * varasm.c (make_decl_rtl): Add assertions about the kind of
1663 declaration we are processing.
1664 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1665 (start_decl): Likewise.
1666 (finish_decl): Likewise.
1667 * c-semantics.c (emit_local_var): Likewise.
1668 * calls.c (expand_call): Likewise.
1669 * dbxout.c (dbxout_symbol): Likewise.
1670 * emit-rtl.c (unshare_all_rtl): Likewise.
1671 (unshare_all_decls): Likewise.
1672 (reset_used_decls): Likewise.
1673 * expr.c (store_constructor): Likewise.
1674 (safe_from_p): Likewise.
1675 (expand_expr): Likewise.
1676 * function.c (put_var_into_stack): Likewise.
1677 (instantiate_decls_1): Likewise.
1678 (assign_parms): Likewise.
1679 (expand_function_start): Likewise.
1680 (expand_function_end): Likewise.
1681 * ggc-common.c (gcc_mark_trees): Likewise.
1682 * integrate.c (function_cannot_inline_p): Likewise.
1683 (copy_decl_for_inlining): Likewise.
1684 (expand_inline_function): Likewise.
1685 (integrate_parm_decls): Likewise.
1686 (integrate_decl_tree): Likewise.
1687 * print-tree.c (print_node): Likewise.
1688 * reg-stack.c (stack_result): Likewise.
1689 * stmt.c (label_rtx): Likewise.
1690 (expand_return): Likewise.
1691 (expand_decl): Likewise.
1692 (expand_decl_cleanup): Likewise.
1693 (expand_anon_union_decl): Likewise.
1694 * toplev.c (check_global_declarations): Likewise.
1695 (rest_of_decl_compilation): Likewise.
1696 * tree.c (simple_cst_equal): Likewise.
1697 * objc/objc-act.c (generate_static_references): Likewise.
1699 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1701 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1702 gcc_AC_C_FLOAT_FORMAT): New macros.
1703 * configure.in: Add AC_PROG_CPP after CC tests;
1704 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1705 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1706 * configure, config.in: Regenerate.
1708 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1709 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1710 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1711 config/i370/xm-linux.h, config/i370/xm-oe.h,
1712 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1713 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1714 config/pa/xm-linux.h, config/pa/xm-pa.h,
1715 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1716 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1717 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1718 config/we32k/xm-we32k.h: Delete.
1720 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1721 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1722 config/vax/xm-vms.h: Don't define any of:
1723 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1725 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1727 * config.gcc: Remove references to deleted files.
1728 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1729 FATAL_EXIT_CODE, which is the same between oe and mvs).
1731 2001-03-14 DJ Delorie <dj@redhat.com>
1732 Vladimir Makarov <vmakarov@redhat.com>
1734 * config/i960/i960.c (i960_function_prologue): Compute size of
1735 frame according to number of registers actually saved there.
1737 2001-03-14 Richard Henderson <rth@redhat.com>
1739 * expr.c (emit_move_insn_1): Fix else if around #endif.
1741 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1744 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1747 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1749 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1750 (override_options): Parse cmodel string.
1751 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1752 * i386.h (TARGET_OPTIONS): Add "cmodel".
1753 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1755 (ix86_cmodel_string, ix86_cmodel): Declare.
1757 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1760 * i386.h (GENERAL_REG_P): Add missing REG_P.
1762 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1764 * configure.in: Use $gcc_cv_as instead of $as.
1765 * configure: Regenerated.
1767 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1769 * cppfiles.c (stack_include_file): Only increase the include
1770 count if we actually process the file properly, as opposed
1771 to treating it as length zero. Only call read_include_file
1772 if not DO_NOT_REREAD. Handle the -H include file output
1774 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1775 (cpp_included, find_include_file): Simplify pathnames after
1776 remapping them. If remapping, don't use the remapped file
1777 name's buffer as our scratch buffer.
1778 (cpp_pop_file_buffer): Replace the multiple include macro
1779 only if it isn't yet set.
1780 (read_name_map): Simplify remapped names when reading in.
1781 (remap_filename): Move code to code path that uses it.
1782 (_cpp_simplify_pathname): Return the input pointer.
1783 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1785 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1787 * expr.c (expand_expr): Revove bogus conditional.
1789 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1791 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1793 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1795 * reg-stack.c (stack_result): Unconditionally use
1796 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1798 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1800 * expr.c (emit_move_insn_1): Split push of complex value when
1801 no suitable push instruction exist.
1803 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1804 instead of QI_REG_P.
1806 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1808 * alias.c (handled_component_p, can_address_p): New functions.
1809 (get_alias_set): Use them.
1811 2001-03-13 Jim Wilson <wilson@redhat.com>
1813 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1814 from 80 in try_locals code.
1815 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1817 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1819 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1820 gcc_AC_C_LONG_LONG): New.
1821 * configure.in: Use them. Probe the size of short, int, long,
1822 and long long/__int64 if we have them. Move all the AC_C_*
1823 checks together, except gcc_AC_C_CHAR_BIT which has to go
1824 after AC_CHECK_HEADERS(limits.h).
1825 Take hwint.h out of host_xm_file and build_xm_file.
1827 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1828 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1829 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1830 Move the HOST_WIDEST_INT setup logic here from system.h.
1831 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1833 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1834 is now handled by hwint.h.
1836 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1837 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1838 config/ia64/xm-ia64.h: Don't define any of:
1839 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1840 HOST_BITS_PER_LONGLONG.
1842 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1843 config/h8300/xm-h8300.h, config/mips/iris6.h,
1844 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1845 config/sparc/xm-sp64.h: Delete.
1846 * config.gcc: Remove references to deleted files.
1848 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1849 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1850 * config/i370/xm-linux.h: Clarify floating-point situation in
1853 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1855 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1856 (find_include_file): Decide here which part of the include
1857 chain to start the search. Complain about an empty include
1858 chain in all cases apart from an abolsute file name.
1859 (_cpp_execute_include): Don't choose the search chain here.
1860 Don't call handle_missing_include in the case of an empty
1862 (_cpp_compare_file_date): Don't choose the search chain here.
1863 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1864 here from _cpp_execute_include. Behave like #include if
1865 we're in the main file.
1867 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1869 * system.h (malloc, realloc, calloc, strdup): Only poison these
1870 tokens when IN_GCC is defined.
1872 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1874 * i386.md (abs?f expander): Support SSE case.
1875 (abd?f_if): Add new "USE"; add splitters.
1877 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1879 * cpp.texi (poison): Explain the macro expansion exception.
1881 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1883 * expr.c (store_expr): Add dont_store_target. If temp is already in
1884 target before copying to reg, don't store it into target again.
1886 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1888 * cppinternals.texi: Update for file handling.
1890 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1892 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1893 2001-02-24 which broke building the Java library.
1894 * function.c (identify_blocks): Likewise.
1895 (all_blocks): Likewise.
1896 * integrate.c (integrate_decl_tree): Likewise.
1897 * print-tree.c (print_node): Likewise.
1898 * tree.h (BLOCK_NUMBER): Likewise.
1899 (struct tree_block): Likewise.
1901 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1903 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1904 __WCHAR_TYPE__ definition.
1905 (WCHAR_TYPE_SIZE): #undef before #define.
1907 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1909 * cppfiles.c: Update comments.
1910 (destroy_include_file_node): Rename destroy_node.
1911 (find_or_create_entry): New function.
1912 (open_file, _cpp_fake_include): Use it.
1913 (handle_missing_header): New function, broken out of
1914 _cpp_execute include. Don't segfault if there is no
1915 system or quoted path.
1916 (_cpp_execute_include): Use handle_missing_header.
1918 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1920 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1921 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1923 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1926 unless anti_dependence says they are.
1927 * alias.c (objects_must_conflict): If neither has a type specified,
1930 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1931 David Billinghurst <David.Billinghurst@riotinto.com>
1933 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1935 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1937 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1938 (*_one_bit): Remove type on the match_operand in attributes.
1940 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1942 * i386.c: Commit forgotten hunk in previous patch.
1943 (regclass_map): Add extended registers.
1944 (dbx_register_map): Add missing frame register.
1946 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1948 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1950 * i386.md (x86_sahf_1): Disable for 64bit.
1951 (popsi*, pophi*): Likewise.
1952 (pushqi, pushhi): Likewise.
1953 (movdi, pushdi): Likewise.
1954 (zero extend DImode splitter): Likewise.
1955 (adddi, minusdi splitter): Likewise.
1956 (umulsidi): Likewise.
1958 (mulsidi): Disable for 64bit
1959 (lshift:DI/ashift:DI): Disable for 64bit.
1960 (loop patterns): Likewise.
1961 (call_pop, call_value_pop expanders and patterns): Likewise.
1962 (prologue_get_pc): Likewise.
1964 (fcmovDI pattern and splitter): Likewise.
1965 (movdfcc_1_rex64): New.
1967 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1969 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1970 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1971 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1972 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1973 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1974 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1975 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1976 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1977 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1978 (REGPARM_MAX): Set to 6 for x86_64.
1979 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1980 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1983 * (patterns that does use upper halves): Update constraints
1984 'q' to 'Q' and 'r' to 'R'.
1985 (cmpqi_ext_1): Disable for 64bit.
1986 (cmpqi_ext_3_insn): Likewise.
1987 (movqi_extzv_1): Likewsie.
1988 (addqi_ext_1): Liekwsie
1989 (testqi_ext_1): Liekwsie
1990 (andqi_ext_1): Liekwsie
1991 (xorqi_ext_1): Liekwsie
1992 (cmpqi_ext_1_rex64): New.
1993 (cmpqi_ext_3_insn_rex64): Likewise.
1994 (movqi_extzv_1_rex64): Likewsie.
1995 (addqi_ext_1_rex64): Liekwsie
1996 (testqi_ext_1_rex64): Liekwsie
1997 (andqi_ext_1_rex64): Liekwsie
1998 (xorqi_ext_1_rex64): Liekwsie
2000 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2002 * configure.in: Move check for unsigned enumerated bitfields
2003 to macro in aclocal.m4. Disable it for now.
2004 * configure, config.in: Regenerate.
2005 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2006 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2007 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2008 kind above its first use.
2010 * config/xm-interix.h, config/alpha/xm-alpha.h,
2011 config/i370/xm-linux.h, config/i386/xm-beos.h,
2012 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2013 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2014 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2015 Don't define ONLY_INT_FIELDS under any circumstances.
2017 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2019 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2020 config/sparc/xm-sysv4.h: Delete - now identical with some
2022 * config.gcc (hppa targets): Replace xm-pahpux.h and
2023 xm-papro.h with implicit xm-pa.h.
2024 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2027 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2029 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2030 before reload_cse_noop_set_p.
2032 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2034 * config.gcc: Where xm-host.h used to include another
2035 xm-host.h, list the nested header directly in xm_file. Remove
2036 references to deleted files. Can now use sparc/xm-sp64.h for
2039 * config/xm-linux.h, config/arm/xm-linux.h,
2040 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2041 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2042 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2043 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2044 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2047 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2048 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2049 bother to wrap #undef in #ifdef.
2050 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2051 Don't include xm-linux.h.
2052 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2054 * configure.in: Wrap regexps using [] in changequote block.
2055 Use expr : not echo | grep. Simplify regexps.
2056 * configure: Regenerate.
2058 56 xm-files remain, 22 xm-arch.
2060 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2063 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2064 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2065 (copy_object): Fix format specifier vs argument mismatch.
2067 * mips-tdump.c: Make local functions static.
2068 (rindex): Don't #undef.
2069 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2070 (fatal, fancy_abort): Delete.
2071 (read_seek): Avoid signed/unsigned compare.
2073 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2075 * combine.c (try_combine): Fix error in change to try original
2077 (gen_rtx_combine): Do same as gen_rtx for now.
2079 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2081 * configure.in: AC_SUBST xm_defines.
2082 * configure: Regenerate.
2083 * Makefile.in: Set DEFINES=$(xm_defines) when building
2086 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2089 (cpp_included, find_include_file): Update.
2090 (_cpp_compare_file_date): Make else unconditional.
2092 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2094 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2096 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2098 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2099 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2101 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2103 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2104 if it's a record type.
2106 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2108 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2109 mingw includes slightly.
2111 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2113 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2114 #undef token before poisoning it.
2116 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * alpha.c (check_float_value): Use memcpy, not bcopy.
2120 * m32r.c (m32r_sched_reorder): Likewise.
2122 * vax.c (check_float_value): Likewise.
2124 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * toplev.c (file_name_nondirectory): Remove.
2127 * toplev.h: Similarly.
2128 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2129 of file_name_nondirectory.
2131 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2133 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2134 * mips-tfile.c: Don't #undef rindex; not used.
2136 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2138 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2139 (dbx64_register_map): Declare.
2140 (RETURN_ADDR_RTX): Fix for 64bit.
2141 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2142 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2143 * i386.c (dbx64_register_map): New global array.
2144 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2145 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2148 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2150 * cppfiles.c (search_from): Use lbasename.
2151 * mkdeps.c (deps_add_default_target): Use lbasename.
2153 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2155 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2156 xcalloc in lieu of malloc, realloc & calloc.
2158 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2160 * gengenrtl.c (xmalloc): Likewise.
2162 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2163 really_call_* memory allocation routines.
2165 * stmt.c (check_for_full_enumeration_handling): Use
2166 really_call_calloc, not calloc.
2168 * system.h (really_call_malloc, really_call_calloc,
2169 really_call_realloc): Define.
2170 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2172 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2174 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2176 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2178 * configure: Rebuilt.
2179 * configure.in: Only use `lang_requires' for languages athat are
2182 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2184 * invoke.texi: Fix typo.
2185 * gcc.1: Regenerate.
2187 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2189 * configure.in: Prune nonexistent files from build_xm_file,
2190 xm_file, and host_xm_file lists. Warn unless they're
2192 Don't generate *config.h here.
2193 AC_SUBST all variables needed to generate *config.h.
2194 * configure: Regenerate.
2195 * mkconfig.sh: New helper script, from code removed from
2197 * Makefile.in: Zap all MALLOC variables - no longer used
2198 anywhere, and malloc.c doesn't exist.
2199 Substitute in variables needed to generate *config.h.
2200 Stop lying about the dependencies contained in CONFIG_H and
2202 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2203 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2204 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2205 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2206 $(TM_P_H), etc. as appropriate.
2208 * config.gcc: Zap references to deleted files.
2209 * ggc-none.c: Don't include rtl.h or tm_p.h.
2211 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2212 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2213 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2214 config/i386/xm-linux.h, config/i386/xm-linux.h,
2215 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2216 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2217 Don't include i386/xm-i386.h.
2219 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2220 config/i386/xm-i386.h, config/i860/xm-i860.h,
2221 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2222 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2223 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2224 Delete (empty except comments, #includes of other deleted
2225 files, and macros used nowhere).
2227 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2229 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2230 independent on TARGET_FLAGS.
2232 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2234 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2236 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2238 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2240 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2241 LAST_REX_SSE_REG): define.
2242 (enum reg_class): Add 'LEGACY_REGS'
2243 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2244 (SSE_REGNO_P): Recognize extended registers.
2245 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2246 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2247 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2248 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2249 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2250 REG_OK_FOR_STRREG_P): Remove.
2251 (HI_REGISTER_NAMES): Add extended registers.
2252 (ADDITIONAL_REGISTER_NAMES): Likewise.
2253 (QI_REGISTER_NAMES): Add 8bit extended registers.
2254 (DEBUG_REG): Support extended registers.
2255 * i386.c (regclass_map): Add extended registers.
2256 (dbx_register-map): Likewise.
2257 (svr4_dbx_register_map): Likewise.
2258 (print_reg): Support extended registers.
2259 (print_operand): Support 64bit operands.
2261 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2263 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2264 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2265 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2266 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2267 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2268 STACK_BOUNDARY): Set properly for 64bits.
2269 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2270 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2271 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2272 (MOVE_MAX): Set to 16.
2273 (MOVE_MAX_PIECES): 8 for 64bit.
2274 (Pmode): Set to SImode.
2276 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2278 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2280 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2282 * i386.h (mask_64bit): New constant.
2283 (target_64bit): New macro.
2284 (target_options): Add '64'/'32'
2285 (target_default): Define.
2286 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2287 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2288 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2290 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2292 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2294 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2296 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2297 LO_SUM unless for_alias is set.
2299 2001-03-08 Stan Shebs <shebs@apple.com>
2301 * objc/objc-act.c: Fix old typos in comments, add comments for
2303 (hash_init): Fix file name in error message.
2304 (hash_enter): Ditto.
2305 (hash_add_attr): Ditto.
2306 (continue_class): Ditto.
2308 2001-03-08 Bruce Korb <bkorb@gnu.org>
2310 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2311 wait4() can receive the signal.
2313 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2315 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2317 * fixinc/fixincl.x: Regenerate.
2319 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2321 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2323 * fixinc/fixincl.x: Regenerate.
2325 2001-03-08 Richard Henderson <rth@redhat.com>
2327 * configure.in (HAVE_AS_LEB128): New assembler check.
2328 * configure, config.in: Rebuilt.
2330 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2332 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2335 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2338 references to the MAXPATHLEN macro.
2340 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2341 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2344 * config/i386/xm-gnu.h, config/xm-gnu.h,
2345 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2346 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2347 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2348 and/or unused files.
2350 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2351 doing so in various xm-*.h files.
2353 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2355 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2357 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2359 * configure.in (enable_shared): Support per-package shared-library
2361 * configure: Rebuilt.
2363 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2365 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2366 for crnot. Set operands[5] in splitter.
2368 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2370 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2371 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2372 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2373 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2374 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2375 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2376 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2379 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2380 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2381 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2382 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2383 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2384 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2385 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2386 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2387 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2388 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2389 Delete unused and/or empty files.
2391 * config.gcc: Define USG in xm_defines as appropriate. Define
2392 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2393 macro. Remove deleted xm-* files from $xm_files variable.
2395 2001-03-07 Tom Tromey <tromey@redhat.com>
2397 * configure: Rebuilt.
2398 * configure.in: Allow config-lang.in to set `lang_requires' to list
2399 of other required languages.
2401 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2403 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2405 (output_prologue): Use xmalloc not oballoc.
2406 (output_epilog): Free a29k_first_epilogue_insn when finished.
2407 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2409 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2411 * builtins.c (expand_builtin_mathfn): Check
2412 flag_unsafe_math_optimizations, not flag_fast_math.
2413 (expand_builtin): Likewise
2414 * combine.c (combine_simplify_rtx): Likewise.
2415 (simplify_if_then_else): Likewise.
2416 * cse.c (fold_rtx): Likewise.
2417 * flags.h: Remove flag_fast_math. Add
2418 flag_unsafe_math_optimizations and flag_trapping_math.
2419 * fold-const.c (negate_expr): Check
2420 flag_unsafe_math_optimizations, not flag_fast_math.
2421 (invert_truthvalue): Likewise.
2422 (fold): Likewise. Before associating operands, check that
2423 code == MULT_EXPR, not code != MULT_EXPR.
2424 * ifcvt.c (noce_try_minmax): Check
2425 flag_unsafe_math_optimizations, not flag_fast_math.
2426 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2427 * invoke.texi: Document -funsafe-math-optimizations and
2428 -fno-trapping-math. Change documentation for -ffast-math.
2429 * jump.c (reversed_comparison_code_parts): Likewise.
2430 (rtx_equal_for_thread_p): Likewise.
2431 * optabs.c (emit_conditional_move): Likewise.
2432 * simplify-rtx.c (simplify_binary_operation): Likewise.
2433 (simplify_relational_operation): Likewise.
2434 (simplify_ternary_operation): Likewise.
2435 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2436 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2437 Add trapping-math and unsafe-math-optimizations entries to f_options.
2438 (set_fast_math_flags): New, sets flags for -ffast-math.
2439 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2440 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2441 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2443 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2444 (alpha_emit_conditional_move): Initialize local_fast_math to
2445 flag_unsafe_math_optimizations, not flat_fast_math.
2446 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2447 instead of setting flag_fast_math to 1.
2448 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2450 * config/i386/i386.c (override_options): Likewise
2451 * config/i386/i386.md: Likewise.
2452 * config/m68k/m68k.md: Likewise.
2453 * config/mips/mips.md: Likewise.
2454 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2455 (rs6000_generate_compare): Likewise.
2457 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2459 * Makefile.in: Set RANLIB to @RANLIB@.
2462 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2464 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2465 * fixinc/fixincl.x: Regenerated.
2467 2001-03-07 Richard Henderson <rth@redhat.com>
2469 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2471 2001-03-07 Richard Henderson <rth@redhat.com>
2473 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2474 of block notes and exception handling notes.
2476 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2477 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2478 (compile_file): ... here.
2480 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2482 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2484 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2485 config.h now. Include libiberty.h to handle alloca.
2487 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2489 * c-parse.in (yylexname): New function, split out of _yylex.
2490 (objc_rid_sans_at): New table.
2491 (init_reswords): Initialize it.
2492 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2493 retrieving the next token and checking it for significance as
2494 an ObjC keyword or string constant.
2496 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2497 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2499 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2502 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2504 * config/m68k/m68k.c (const_uint32_operand): Accept any
2505 const_int on a 32-bit host.
2507 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2509 * objc/objc-act.c (init_objc): Set save_lang_status,
2510 restore_lang_status, and mark_lang_status.
2512 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2514 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2516 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2518 * cppinternals.texi: Update.
2520 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2523 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2524 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2525 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2526 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2527 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2528 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2529 config/i386/xm-i386.h, config/i860/xm-i860.h,
2530 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2531 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2532 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2533 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2534 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2535 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2536 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2537 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2538 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2539 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2540 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2541 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2542 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2543 match the defaults provided in hwint.h.
2545 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2546 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2548 * config.gcc (xm_file): Don't set to files which are deleted.
2550 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2551 guard this file against these macros being undefined.
2553 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2555 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2556 and DECL_DEFER_OUTPUT on the decl we create, before calling
2557 rest_of_decl_compilation.
2559 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2561 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2563 * configure, config.in: Regenerate.
2564 * config.gcc: Remove references to deleted files.
2566 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2567 genrecog.c, rtl.c: Do not use alloca anywhere.
2569 * Makefile.in, build-make, system.h, config/x-interix,
2570 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2571 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2572 config/arc/xm-arc.h, config/arm/xm-arm.h,
2573 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2574 config/h8300/xm-h8300.h, config/i370/x-oe,
2575 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2576 config/i386/x-ncr3000, config/i386/x-sco5,
2577 config/i386/xm-dgux.h, config/i860/x-sysv4,
2578 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2579 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2580 config/m68k/x-hp320g, config/m69k/x-mot3300,
2581 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2582 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2583 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2584 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2585 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2586 config/mips/x-iris, config/mips/x-iris3,
2587 config/mips/x-sni-svr4, config/mips/x-sysv,
2588 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2589 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2590 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2591 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2592 config/pa/xm-papro.h, config/romp/xm-romp.h,
2593 config/rs6000/x-aix31, config/rs6000/x-aix41,
2594 config/rs6000/x-beos, config/rs6000/x-lynx,
2595 config/rs6000/x-mach, config/rs6000/x-rs6000,
2596 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2597 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2598 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2599 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2600 config/vax/xm-vms.h: Eradicate all references to alloca and
2603 * config/xm-alloca.h, config/clipper/x-clix,
2604 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2605 config/i860/x-sysv3, config/m88k/x-sysv3,
2606 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2607 (contained only alloca related hacks).
2609 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2612 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2614 * invoke.texi: Document __FAST_MATH__.
2616 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2618 * crtstuff.c: Restore include of auto-host.h.
2620 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2622 Put main() in a separate file, so that the language
2623 front-end can use a different main().
2626 * toplev.c: (main): Rename as toplev_main.
2627 * toplev.h: Declare toplev_main.
2628 * Makefile.in (OBJS): add toplev.o.
2629 (BACKEND): remove toplev.o, add main.o.
2631 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2633 * cppfiles.c (search_from): Special case the empty string.
2635 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2637 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2638 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2639 strlen or strcpy; we already know the length.
2640 (_cpp_compare_file_date): Similarly.
2641 * cpphash.h (struct cpp_reader): Delete done_initialising.
2642 (CPP_PREV_BUFFER): Delete.
2643 * cppinit.c (cpp_start_read): Don't set done_initialising.
2644 * cpplex.c (parse_string): Guarantee null-termination.
2645 (_cpp_equiv_toklists): Remove.
2646 * cpplib.c (glue_header_name): Null-terminate.
2647 (do_line): Don't leak memory.
2648 * cpplib.h (BT_WEAK): Delete.
2649 * cppmain.c (cb_ident): Strings are now null-terminated.
2651 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2653 * gcc.c (convert_filename): Append executable suffix
2654 if NO_AUTO_EXE_SUFFIX is not defined.
2655 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2656 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2658 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2660 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2661 * c-parse.gperf, c-gperf.h: Delete.
2662 (c-gperf.h was accidently re-added to the CVS repo in the rev
2663 1.16 commit by tromey)
2665 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2667 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2668 macro arguments when looking for the '('.
2669 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2670 2 when really parsing arguments; 1 when looking for '('.
2671 Always restore the lexer position.
2673 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2675 * longlong.h (umul_ppmm): Don't use a multiline string.
2677 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2679 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2680 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2681 t_bool in declaration because pcc can't combine volatile with typedef
2684 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2686 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2687 until when it is really needed.
2688 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2689 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2690 * i386.md (float?i?f splitter): Don't force source operand to memory
2692 (sse_movdfcc): Fix constraint.
2693 (sse_movdfcc splitter): Handle properly the second alternative.
2695 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2697 * cpplex.c (parse_string): Unconditionally pedwarn.
2699 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2702 * cppexp.c (parse_number): Update.
2703 * cpplex.c (parse_string): Pedwarn if multiline string does not
2704 result from a system header's macro.
2705 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2706 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2707 for function-like macros too.
2708 * c-lex.c (lex_number): Update.
2710 2001-03-03 Richard Henderson <rth@redhat.com>
2712 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2714 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2716 * combine.c (try_combine): If split with mode-changed scratch
2717 register didn't work, try the original mode.
2719 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2721 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2722 * config/c4x/c4x.h: Likewise.
2723 * stor-layout.c (compute_record_mode): Likewise.
2724 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2726 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2728 * configure.in: Kill tm.h. Include the files in the $tm_file
2729 list in all three of config.h, hconfig.h, tconfig.h, after the
2730 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2731 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2732 * configure: Regenerate.
2733 * Makefile.in (clean): Don't delete tm.h.
2735 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2736 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2737 those are not defined, set SEC and FEC to 0 and 1.
2738 * gcc.texi: Update to match.
2740 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2741 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2742 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2743 Include tconfig.h, not tm.h.
2745 * config/xm-lynx.h, config/xm-std32.h,
2746 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2747 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2748 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2749 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2750 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2751 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2752 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2753 config/i386/xm-i386.h, config/i860/xm-i860.h,
2754 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2755 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2756 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2757 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2758 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2759 config/pa/xm-linux.h, config/pa/xm-pa.h,
2760 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2761 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2762 config/pj/xm-pj.h, config/romp/xm-romp.h,
2763 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2764 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2765 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2766 config/v850/xm-v850.h, config/vax/xm-vax.h,
2767 config/we32k/xm-we32k.h:
2769 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2771 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2772 config/i370/xm-oe.h: Don't include tm.h. Don't define
2774 * config/vax/xm-vms.h: Don't include tm.h.
2776 * config/xm-lynx.h, config/avr/xm-avr.h,
2777 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2778 Delete; made empty by above changes.
2779 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2780 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2781 Don't include config/xm-lynx.h or tm.h.
2783 * config/xm-gnu.h: Don't include fcntl.h.
2784 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2786 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2788 2001-03-02 Richard Henderson <rth@redhat.com>
2790 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2791 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2793 2001-03-02 Richard Henderson <rth@redhat.com>
2795 * Makefile.in (OBJS): Add dwarf2asm.o.
2796 * dwarf2asm.c, dwarf2asm.h: New files.
2797 * dwarf2out.c (*): Use them.
2798 (size_of_uleb128, size_of_sleb128): Remove.
2799 (output_uleb128, output_sleb128): Remove.
2800 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2801 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2802 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2803 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2804 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2805 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2806 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2807 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2808 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2809 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2810 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2811 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2812 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2813 (dwarf2out_frame_debug): Remove unused variables.
2814 (output_loc_operands): Don't abort on 8 byte constants if
2815 host integers are wide enough.
2816 (output_symbolic_ref): Remove.
2817 (size_of_die): Don't assume 4 byte host integers.
2818 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2820 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2821 something stupid with HOST_WIDE_INT to long truncation.
2822 [CONST_DOUBLE]: Likewise.
2824 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2825 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2826 * config/arm/unknown-elf.h: Likewise.
2827 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2828 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2829 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2830 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2831 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2832 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2833 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2834 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2835 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2836 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2837 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2838 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2840 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2842 * cselib.c (hash_rtx): Cast enums to unsigned int.
2844 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2846 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2847 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2849 * c-format.c (C_STD_VER): Cast to int for comparisons.
2850 (check_function_format): Cast various enums to int for &.
2851 (maybe_read_dollar_number): Likewise.
2852 (check_format_info): Likewise.
2853 (check_format_info_main): Likewise.
2854 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2855 (safe_from_p): Likewise.
2856 * varasm.c (const_hash): Cast enum to int for %.
2857 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2858 pcc enum problems with < and ++ operators.
2859 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2860 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2861 (regclass_init): Change enum class to int to iterate over reg_classes.
2862 * genrecog.c (merge_trees): Cast enums for comparison.
2863 * rtl.h (GET_CODE): Cast to enum rtx_code.
2864 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2865 (GET_MODE): Cast to enum machine_mode.
2866 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2867 (GET_NOTE_INSN_NAME): Cast enum to int.
2868 * tree.h (TREE_CODE): Cast to enum tree_code.
2869 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2870 * timevar.c (timevar_print): Change loop variable id from enum to
2872 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2873 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2874 * toplev.c (compile_file): Cast enum DFI to int.
2875 (decode_d_option): Likewise.
2877 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2879 * cppinit.c (append_include_chain): Mark "after" include file name list
2880 as a system directory.
2881 * cpp.texi: Document new behavior.
2883 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2885 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2887 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2889 * cppfiles.c (struct include_file): Update.
2890 (stack_include_file): Use search_from.
2891 (cpp_included, find_include_file): Update.
2892 (cpp_execute_include): Update. ptr->name may not be
2893 null terminated. Use the new search_from member variable
2895 (_cpp_compare_file_date): Similarly.
2896 (search_from): New function, similiar to actual_directory.
2897 (actual_directory): Delete.
2898 (remap_filename): Update. loc->name may not be null terminated.
2899 (struct file_name_list): Rename search_path. Update.
2900 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2901 search_from and dir.
2902 (struct cpp_reader): Remove actual_dirs.
2903 * cppinit.c (struct cpp_pending): Update for renamed objects.
2904 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2905 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2906 * cpplib.h (struct cpp_options): Similarly.
2908 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2910 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2911 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2912 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2913 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2914 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2915 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2916 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2917 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2918 config/i370/xm-oe.h, config/i386/xm-aix.h,
2919 config/i386/xm-i386.h, config/i386/xm-osf.h,
2920 config/i860/xm-i860.h, config/i960/xm-i960.h,
2921 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2922 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2923 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2924 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2925 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2926 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2927 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2928 config/pj/xm-pj.h, config/romp/xm-romp.h,
2929 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2930 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2931 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2932 config/v850/xm-v850.h, config/vax/xm-vax.h,
2933 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2934 Do not define TRUE or FALSE.
2936 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2937 empty by above change.
2938 * config.gcc: Remove references to these files.
2940 * configure.in: Detect stdbool.h.
2941 * configure, config.in: Regenerate.
2942 * system.h: Include stddef.h here if available.
2943 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2944 Then set up a sensible boolean type at the very end.
2946 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2947 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2949 * hash.h: Delete 'boolean' typedef and related #undefs.
2951 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2952 all uses of 'boolean' with 'bool'.
2954 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2956 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2957 * cppexp.c (lex): Cast enums for comparison.
2958 * cppinit.c (parse_option): Cast enum for comparison.
2959 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2960 (cpp_output_token): Likewise.
2961 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2962 (cpp_avoid_paste): Cast enums for minus and comparison.
2964 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2966 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2967 field to all array elements.
2969 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2971 * cpphash.h (struct cpp_reader): Add print_version field.
2972 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2973 just set print_version and other flags as appropriate.
2974 (cpp_post_options): Print version here if print_version is set.
2976 * toplev.c (exit_after_options): New flag.
2977 (independent_decode_option): Don't exit here; just set
2979 (main): Exit after calling lang_hooks.post_options if
2980 exit_after_options is true.
2982 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2983 (merge_include_chains): Adjust comment to match code.
2985 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2987 * stringpool.c (set_identifier): New function.
2988 * tree.h: Prototype it.
2990 * c-parse.in: Kill D_YES. If compiled for objc, call
2991 save_and_forget_protocol_qualifiers from init_reswords.
2992 * objc/objc-act.c (remember_protocol_qualifiers,
2993 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2994 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2996 (save_and_forget_protocol_qualifiers): New function.
2997 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2999 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3001 * c-semantics.c (prune_unused_decls): Return error_mark_node
3002 instead of (tree) 1 to stop traversing the tree chain.
3004 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3006 Fix a problem introduced by Kenner's Feb 18 change.
3007 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3008 flag_cse_skip_blocks only temporarily, not for ever.
3010 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3012 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3013 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3015 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3016 before determining its register class.
3018 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3020 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3021 from reg 4 if current_function_calls_setjmp.
3022 (gen_nop_type): New function.
3023 (ia64_emit_nops): New function.
3024 (ia64_reorg): Call it.
3025 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3027 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3028 code not to try to optimize adds with anything but a REG destination.
3030 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3031 (INSN_PRIORITY_KNOWN): New accessor macro.
3032 * haifa-sched.c (priority): Use it instead of testing priority against
3035 2001-02-28 DJ Delorie <dj@redhat.com>
3037 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3038 since that doesn't work the way gcc wants on a generic m68k.
3040 2001-02-28 Richard Henderson <rth@redhat.com>
3042 * caller-save.c (save_call_clobbered_regs): Fix typo in
3043 comparison last change.
3045 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3047 * i386.c (pentium4_cost): New.
3048 (m_PENT4): New macro.
3049 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3050 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3051 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3052 x86_memory_mismatch_stall): Add Pentium4
3053 (x86_use_q_reg, x86_use_any_reg): Kill.
3054 (override_options): Add pentium4.
3055 (incdec_operand): Return 0 for pentium4.
3056 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3057 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3058 (TARGET_PENTIUM4): Define.
3059 (enum processor_type): Add PROCESSOR_PENTIUM4.
3060 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3061 * i386.md (attribute "cpu"): Add pentium4.
3062 * invoke.texi (march): Add pentium4.
3064 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3066 * i386.md (sse_mov?fcc*): New patterns and splitters.
3067 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3068 the SSE based conditional moves.
3070 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3072 * i386.md (attribute mode): Add "TI".
3073 (movsf_1): Add pxor support; remove constant propagation splitter.
3074 (movdf_integer): Likewise.
3075 (movdf_nointeger): Likewise.
3076 (movxf constant prop splitter): Handle all modes; update for SSE.
3077 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3078 * i386.c (standard_80387_constant_p): Rewrite.
3079 (standard_sse_constant_p): New.
3080 * i386-protos.h (standard_sse_constant_p): New.
3082 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3084 * i386.md (sse_setccsf, sse_setccdf): New.
3085 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3087 * i386.c (sse_comparison_operator): Accept the supported unordered
3088 comparses; be ready for fast_math.
3089 (print_operand): Support 'D'.
3091 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3093 * jump.c (reversed_comparison_code): Kill.
3095 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3097 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3100 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3102 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3103 add missing '%' in constraints.
3105 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3107 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3108 for HOST_BITS_PER_WIDE_INT == 32 too.
3110 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3112 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3114 (insert_save, insert_restore): New parameter save_mode.
3115 (init_caller_save): Update initialization of reg_save_code
3116 and reg_restore_code.
3117 (save_call_clobbered_regs): Compute save_modes and update calls to
3118 reg_save_code and reg_restore_code.
3119 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3120 of spill; update use of reg_restore_code.
3121 (insert_save): Likewise.
3122 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3123 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3124 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3126 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3128 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3129 noce_try_store_flag_inc, noce_try_store_flag_mask,
3130 noce_try_cmove_arith):
3131 Use reversed_comparison_code instead of reverse_comparison and
3132 can_reverse_comparison_p.
3134 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3136 * jump.c (reversed_comparison_code_parts): Allow reversal of
3137 unordered compares in -ffast-math mode; reverse ordered compares
3138 for FP even w/o -ffast-math.
3140 2001-02-27 Richard Henderson <rth@redhat.com>
3142 * print-rtl.c (print_rtx) [i]: Don't print field five on
3143 NOTEs other than NOTE_INSN_DELETED_LABEL.
3145 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3147 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3148 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3150 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3152 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3153 even if walk_subtrees is 0.
3154 * c-semantics.c (prune_unused_decls): Return a non-null value to
3155 stop traversing the tree chain.
3157 2001-02-27 DJ Delorie <dj@redhat.com>
3159 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3160 register, *then* define it as the new CFA.
3162 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3164 * pa.c (override_options): Promote -fpic to -fPIC.
3165 (legitimize_pic_address): Simplify due to removal of
3166 small PIC as a code generation option.
3167 (secondary_reload_class): Similarly.
3168 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3169 (PRINT_OPERAND_ADDRESS): Similarly.
3170 * pa.md (various patterns): Similarly.
3171 (small pic lo_sum pattern): Remove.
3173 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3176 * md.texi (min, max): Document
3178 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3180 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3181 TARGET_PARTIAL_REG_DEPENDENCY.
3182 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3184 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3186 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3188 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3190 * mips.c (mips_make_temp_file): Fix thinko in last change.
3192 2001-02-26 Jason Eckhardt <jle@redhat.com>
3194 * combine.c (known_cond): Do not reverse the condition when
3195 SMAX/UMAX is being considered and the condition is for equality
3198 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3200 2001-02-26 Philip Blundell <philb@gnu.org>
3202 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3204 * config/arm/linux-elf.h: Remove historical relics related to
3205 above configurations.
3206 * config/arm/linux-oldld.h: Delete.
3207 * config/arm/linux-elf26.h: Delete.
3209 2001-02-26 Jason Merrill <jason@redhat.com>
3211 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3213 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3214 recognize a tentative definition. Lose obsolete code.
3216 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3217 variables unless necessary, either.
3219 2001-02-25 Richard Henderson <rth@redhat.com>
3221 * ifcvt.c (struct noce_if_info): Add test_bb.
3222 (noce_get_alt_condition): New.
3223 (noce_try_minmax, noce_try_abs): New.
3224 (noce_operand_ok): New.
3225 (noce_process_if_block): Use them.
3226 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3228 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3230 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3233 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3235 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3236 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3238 (mips_asm_file_end): Free temp_filename here.
3240 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3242 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3243 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3245 * config/i386/i386.md (movstrsi): Handle FAIL case.
3247 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3249 * cppinit.c (builtin_array): Update.
3250 (init_builtins): Flag builtins to warn if redefined or
3251 undefined. Define __GXX_WEAK as a normal macro.
3252 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3253 * cpplib.h (NODE_WARN): New flag.
3254 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3255 Handle __STDC__ as a builtin only on Solaris.
3256 (warn_of_redefinition): Renamed from check_macro_definition.
3257 Reverse sense of test. Always warn if NODE_WARN.
3258 (_cpp_create_definition): Use warn_of_redefinition. Flag
3259 any macro beginning with "__STDC_" to require a mandatory
3260 warning if redefined or undefined.
3262 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3264 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3265 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3266 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3267 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3268 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3269 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3270 Don't define any of:
3271 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3272 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3273 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3274 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3275 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3277 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3278 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3281 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3282 Delete now-empty file.
3284 * alpha/vms.h: Define NEED_ATEXIT here...
3285 * alpha/xm-vms.h: ...not here.
3287 * i386/cygwin.h: Don't define PARAMS.
3288 * mips/mips.c: Don't prototype mktemp. Don't define
3289 P_tmpdir. Use make_temp_file to create temporary files.
3290 Don't be clever and delete temporary files early.
3291 * config.gcc: Drop references to deleted files. Don't define
3293 * gcc.texi: Don't mention USE_PROTOTYPES.
3295 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3297 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3298 (ix86_set_move_mem_attrs_1): Likewise.
3299 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3300 * config/i386/i386.md (movstrsi): Call it.
3302 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3304 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3305 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3306 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3307 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3309 (i750a-*-*): Error here if hosting on i750a.
3310 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3312 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3313 Remove (empty modulo comments).
3315 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3316 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3317 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3318 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3319 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3320 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3322 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3323 Remove reference to winnt.h in comment.
3324 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3326 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3328 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3329 used to set another biv.
3331 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3333 * tree.h (BLOCK_DEAD): New macro.
3334 (struct tree_block): New flag, dead_flag.
3335 * print-tree.c (print_node, case 'b'): Print missing fields.
3336 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3337 * function.c (identify_blocks): Enable test for misplaced notes.
3338 (all_blocks): Skip BLOCK_DEAD blocks.
3339 * integrate.c (integrate_decl_tree): Likewise.
3341 * errors.c (internal_error, trim_filename): New functions.
3342 (fancy_abort): Call internal_error.
3343 * errors.h (internal_error, trim_filename): New declarations.
3345 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3347 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3349 (EXTRA_CONSTRAINT): Formatting changes.
3351 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3353 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3355 2001-02-23 Per Bothner <per@bothner.com>
3357 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3358 so they can be called from java/jvspec.c.
3359 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3361 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3363 * i386.c (ix86_frame): New structure.
3364 (ix86_compute_frame_size): Kill.
3365 (ix86_compute_frame_layout): New.
3366 (ix86_save_reg): New.
3367 (ix86_can_use_return_insn_p): Use frame layout stuff.
3368 (ix86_expand_prologue): Likewise.
3369 (ix86_expand_epilogue): Likewise.
3370 (ix86_initial_elimination_offset): Likewise.
3371 (ix86_nsaved_regs): Use ix86_save_reg.
3372 (ix86_emit_save_regs): Likewise.
3374 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3376 * flow.c (find_sub_basic_blocks): New function.
3377 (split_block): Be ready for basic block introduced by CODE_LABEL.
3378 (commit_one_edge_insertion): Call find_sub_basic_block.
3380 * flow.c (make_edges): Add edge from entry for blocks starting with
3381 label having ALTERNATE_NAME
3383 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3385 * function.c (epilogue_done): Be ready for first basic block not
3386 containing PROLOGUE_END note.
3387 (reposition_prologue_and_epilogue_notes): Avoid placing
3388 PROLOGUE_END note between BASIC_BLOCK.
3390 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3392 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3394 2001-02-21 DJ Delorie <dj@redhat.com>
3396 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3397 check for current_function_has_nonlocal_goto from 1999-11-12.
3399 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3401 * diagnostic.c (trim_filename): No longer static.
3402 * toplev.h (trim_filename): Declare.
3403 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3404 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3405 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3406 (rtvec_check_failed_bounds): Likewise.
3407 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3409 * convert.c (convert_to_integer): Don't do unsigned unless result or
3410 both inputs are unsigned.
3412 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3415 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3417 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3419 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3421 * Makefile.in (resource.o): Add params.h dependence.
3422 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3423 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3424 * resource.c: Add dependence on params.h.
3425 (current_live_regs): Fix explanatory comment.
3426 (find_basic_block): Add new parameter to permit limiting search
3428 (mark_target_live_regs): Add new argument to find_basic_block call.
3429 (incr_ticks_for_insn): Likewise.
3431 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3433 * diagnostic.c (output_to_stream): Rename to
3434 output_buffer_to_stream. Loses the stream parameter.
3435 (init_output_buffer): Set diagnosic_buffer's stream.
3436 (flush_diagnostic_buffer): Adjust.
3437 (default_print_error_function): Likewise.
3438 (finish_diagnostic): Likewise.
3439 (verbatim): Likewise.
3441 * diagnostic.h (struct output_buffer): Add `stream' field.
3442 (output_buffer_attached_stream): New macro.
3444 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3446 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3447 check if either operand is divisible by C.
3448 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3449 If type is signed, consider negative numbers as well.
3451 2001-02-22 Richard Henderson <rth@redhat.com>
3453 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3454 reach .text instead of gp-relative relocs.
3455 * config/ia64/crtend.asm (.init): Likewise.
3457 2001-02-22 Andreas Jaeger <aj@suse.de>
3459 * extend.texi (C++ Attributes): Fix typo.
3461 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3463 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3464 functions, drop current_function_args_info.words test.
3465 (ia64_compute_frame_size): Mark syscall_linkage functions as
3466 using eight input registers.
3468 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3469 Bruce Korb <bkorb@gnu.org>
3471 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3472 * fixinc/README: Document how to convert sed substitutions
3473 to format style c_fix-es.
3474 * fixinc/fixincl.x: regen
3476 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3478 * gcc.c: Add comment explaining how to add a command-line option.
3479 Add title to specs language comment.
3481 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3483 * gcc.c (cc1_options): Add "-param".
3484 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3485 (option_map): Likewise.
3486 * toplev.c (display_help): Add entry for "--param".
3487 (independent_decode_option): Fix typographical error.
3489 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3490 Bernd Schmidt <bernds@redhat.com>
3491 Jan Hubicka <jh@suse.cz>
3493 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3494 (function_arg): Likewise.
3496 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3498 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3500 2001-02-21 Kazu Hirata <kazu@hxi.com>
3502 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3506 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3508 * flow.c (init_propagate_block_info): Canon address and use single_set
3509 for killing dead memory stores.
3511 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3513 * Makefile.in (reorg.o): Add params.h dependence.
3514 * params.def: Fix typographical error in comment.
3515 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3516 * params.h: Modify introductory comment.
3517 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3518 * reorg.c: Add dependence on params.h.
3519 (redundant_insn): Add parameterized throttle for search.
3520 (fill_simple_delay_slots): Add a comment explaining a variable.
3521 Move conditional out of loop, simplifying code.
3522 (fill_eager_delay_slots): Fix typographical error in comment.
3524 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3526 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3528 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3529 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3531 2001-02-21 Jason Merrill <jason@redhat.com>
3533 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3534 (struct tree_decl): Add uninlinable bitfield.
3535 * c-decl.c (duplicate_decls): Set it.
3536 * integrate.c (function_cannot_inline_p): Check it.
3538 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3539 DW_AT_MIPS_linkage_name to abstract methods.
3540 (dwarf2out_abstract_function): Emit class context before calling
3541 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3542 (gen_subprogram_die): Remove obsolete code.
3543 (gen_member_die): Don't include clones in the member list.
3544 (gen_decl_die): Emit abstract info for clone origin.
3545 * dwarfout.c (output_type): Don't include clones in the member list.
3546 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3547 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3548 DECL_ABSTRACT on a function that already has it set.
3550 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3551 (get_subprogram_die): Pass it in.
3553 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3555 * flow.c (mark_set_1): Make not_dead unsigned long. For
3556 non-pseudos, use it as a bitmask of the hard regs that
3559 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3561 * cppfiles.c: Update comments.
3562 (_cpp_read_file): Don't check for NULL filenames any more.
3563 * cppinit.c (cpp_start_read): Don't do canonicalization of
3564 in_fname and out_fname. Use the passed file name exclusively.
3565 (_cpp_handle_options): Don't treat "-" as a command line option,
3566 but as a normal filename.
3567 (_cpp_post_options): Canonicalize in_fname and out_fname.
3568 * cppmain.c (printer_init): Don't check out_fname for NULL.
3569 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3570 (init_c_lex): Update, and use "" to represent stdin to CPP.
3573 2001-02-20 Will Cohen <wcohen@redhat.com>
3575 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3576 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3577 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3580 2001-02-20 Stan Shebs <shebs@apple.com>
3582 * config/rs6000/rs6000.c (output_cbranch): Output branches
3583 on separate lines instead of using ';' to separate.
3585 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3587 * cppinit.c (set_lang): Move builtin handling to...
3588 (init_builtins): ...here.
3589 (_cpp_create_reader): Move call to set_lang.
3591 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3593 * stmt.c (expand_return): If an attempt is made to return the
3594 error_mar_node, treat the return like a return without a value.
3596 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3598 * sibcall.c (skip_copy_to_return_value): Call
3599 identify_call_return_value here, and return orig_insn if it
3600 returns zero. Hardret and softret arguments now unnecessary.
3601 (call_ends_block_p): Don't call identify_call_return_value here.
3603 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3605 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3606 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3608 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3610 * pa.c (move_operand): Accept code to load the address of a
3611 symbol out of the DLT as a valid move operand.
3612 (print_operand, case 'A'): New to handle generating a DLT
3613 reference for a LO_SUM expression.
3614 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3615 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3617 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3619 * README, cpp.texi, gcc.texi, version.c: Update version number to
3621 * cpp.1, gcov.1, gcc.1: Regenerate.
3623 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3625 * cppfiles.c (stack_include_file): Generate dependencies
3626 here, and manage include_count here too.
3627 (PRINT_THIS_DEP): Delete.
3628 (_cpp_execute_include): Do not generate dependencies here,
3629 apart from the case of a missing header. Do not manage
3631 (_cpp_read_file): Leave dependency generation to
3634 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3636 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3637 target_cpu_default. Remove dead assignment to
3640 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3642 * regclass.c (contains_reg_of_mode): Make global.
3643 (init_reg_sets): Remove contains_reg_of_mode; take into account
3644 CLASS_MAX_NREGS when looking for the proper mode.
3645 (dump_regclass): Dump only classes considered for the pseudo.
3646 (regclass): Use contains_reg_of_mode.
3648 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3650 * gcc.c (do_spec_1): 'n' for printing notices.
3651 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3653 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3655 * reg-stack.c (next_flags_user): Use current_block->end
3656 (swap_rtx_condition): Look for next user if flags don't die;
3657 give up on CALL_INSNs; use current_block->end.
3659 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3661 * sibcall.c (call_ends_block_p): New function.
3662 (optimize_sibling_and_tail_recursive_call): Use it.
3664 2001-02-18 Kazu Hirata <kazu@hxi.com>
3666 * config/h8300/h8300.md: Update copyright.
3667 (andsi3): Do not output an extra newline character.
3669 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3671 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3672 FNDECL may be unused.
3674 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3675 follow jumps after first run.
3676 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3677 it doesn't change any jumps.
3679 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3681 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3682 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3683 (mostlyclean): Corresponding changes.
3684 * rtlanal.c (hard-reg-set.h): Include.
3685 (rtx_unstable_p): Do not treat the argument pointer specially
3686 if it is not a fixed register.
3687 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3689 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3691 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3692 against last real insn in basic block.
3693 Rework to avoid gotos.
3695 * Makefile.in (gcse.o): Now includes ggc.h.
3696 * gcse.c: Include ggc.h.
3697 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3698 (try_replace_reg): Remove warning of uninitialize variable.
3699 (process_insert_insn): Call invalid_insn_p to validate insn.
3700 * recog.c (insn_invalid_p): Now global.
3701 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3702 * recog.h (insn_invalid_p): New declaration.
3704 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3706 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3707 assignments from FP constants since 'Y' output code can't handle it.
3708 (eligible_for_sibcall_delay): Likewise.
3710 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3711 Call fancy_abort directly, passing args.
3712 (print_rtl_and_abort): Now a macro, like fancy_abort.
3714 * final.c (output_operand_lossage): Use internal_error, not error.
3716 2001-02-18 Shane Nay <shane@agendacomputing.com>
3718 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3719 structure shift insns.
3721 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3723 * invoke.texi (-fsquangle): Remove documentation.
3724 (-fname-mangling-version): Likewise.
3726 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3728 * optabs.c (expand_abs): Remove reference to
3729 HAVE_contitional_arithmetic.
3730 * combine.c (simplify_set): Likewise.
3732 2001-02-18 Richard Henderson <rth@redhat.com>
3734 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3737 2001-02-18 Richard Henderson <rth@redhat.com>
3739 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3741 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3743 * reload1.c (reload_cse_simplify_set): Fix typo.
3745 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3747 * diagnostic.c (_fatal_insn): Decrement errorcount.
3749 * invoke.texi (-I): Add note avoiding use for system header files.
3751 * rtl.h (add_clobbers): Remove duplicate declaration.
3752 * recog.h (added_clobbers_hard_reg_p): New declaration.
3753 * genemit.c (struct clobber_pat): New field has_hard_reg.
3754 (gen_insn): Record if added clobbers clobber hard reg.
3755 (gen_split): Avoid unused warning if number of operands is 0.
3756 (output_added_clobbers_hard_reg_p): New function.
3759 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3761 * pa.c (hppa_expand_prologue): Simplify code storing return
3762 pointer. For large (>=8k) frames with a post_store, adjust stack
3763 pointer by 8k-64 first rather than by 64. When testing with
3764 VAL_14_BITS_P, always use the actual value rather than the value
3765 negated. Add blockage to prevent scheduling of spills before
3766 stack frame has been created.
3767 (hppa_expand_epilogue): Simplify code loading return pointer.
3768 Allow a slightly larger range for merge_sp_adjust_with_load case.
3769 When testing with VAL_14_BITS_P, always use the actual value.
3771 * pa.c (pa_adjust_insn_length): Check that block move
3772 pattern is a set before looking at operands.
3774 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3776 * fold-const.c (fold_binary_op_with_conditional_arg): New
3777 function, split out from ...
3779 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3780 conditional arms that throw exceptions.
3782 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3785 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3787 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3788 define HAVE_DECL_* to 1 to mask potential backup declarations.
3789 * configure: Regenerated.
3791 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3793 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3795 2001-02-17 Richard Henderson <rth@redhat.com>
3797 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3798 when replacing a memory load with a register.
3800 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3801 Jan Hubicka <jh@suse.cz>
3803 * recog.c (validate_replace_src_1): New.
3804 (validate_replace_src_data): Likewise.
3805 (validate_replace_src): Use note_uses.
3806 * rtl.h (note_uses): Declare.
3807 * rtlanal.c (note_uses): New.
3809 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3811 * reg-stack.c (stack_def): Make field reg unsigned.
3812 (remove_regno_note): Unsignetize parameter.
3814 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3816 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3817 shladd_operand() call.
3819 2001-02-16 Bruce Korb <bkorb@gnu.org>
3820 Rodney Brown <RodneyBrown@mynd.com>
3822 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3823 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3824 machine restrictions
3825 * fixinc/fixincl.x: regen
3827 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3829 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3831 (hash_scan_insn): Clean up calls to hash_scan_set.
3832 (compute_kill_rd): REGNO now unsigned.
3833 (try_replace_reg): Rework to use simplify_replace_rtx.
3834 (cprop_jump, cprop_cc0_jump): Likewise.
3835 (cprop_insn): Call find_reg_equal_equiv_note.
3836 Reflect changes to cprop_jump and cprop_cc0_jump.
3838 * recog.c (validate_replace_src): Replace in operands of
3839 ZERO_EXTRACT in SET_DEST.
3841 * cse.c (new_label_ref): New variable.
3842 (insert): Set it instead of recorded_label_ref.
3843 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3844 CODE_LABEL for this function, and not already in REG_LABEL note.
3846 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3848 * resource.c (mark_referenced_resources): Fix typo in introductory
3850 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3853 2001-02-16 Jason Merrill <jason@redhat.com>
3855 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3857 (gen_subprogram_die): Don't abort on seeing a second definition if
3858 the previous one was abstract. Don't replace an abstract instance
3859 in the lookup table.
3861 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3862 gen_abstract_function.
3863 * dwarf2out.h: Declare it.
3864 * toplev.c (note_outlining_of_inline_function): New fn.
3865 * toplev.h: Declare it.
3866 * integrate.c (output_inline_function): Call it.
3867 * c-decl.c (duplicate_decls): Call it when redefining an extern
3868 inline. Don't inline the new defn.
3870 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3872 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3874 * .gdbinit: Rename to gdbinit.in.
3875 * gdbinit.in: New file,
3876 * configure.in: Generate .gdbinit from gdbinit.in.
3877 * configure: Regenerated.
3878 * Makefile.in (distclean): Always remove .gdbinit.
3880 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3882 * objc/objc-act.c (start_class): Register implemented_classes with
3885 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3887 * cppfiles.c (_cpp_make_system_header): Generate a file
3890 2001-02-15 Jim Meyering <meyering@lucent.com>
3892 * Makefile.in (install-common): Don't depend on installdirs here.
3893 Instead, make each of the lang.install-common targets (e.g.,
3894 c++.install-common in cp/Make-lang.in) depend on it.
3895 (install-driver): Depend on installdirs.
3897 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3899 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3901 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3904 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3906 * invoke.texi (--param): Document.
3908 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3910 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3912 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3914 * i386.md (extendsfdf2_2): Fix constraints.
3916 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3918 * i386.md (fop_df_3 splitter): Fix operand number.
3920 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3922 * invoke.texi (-mreg-alloc): Nuke.
3923 * i386.c (ix86_reg_alloc_order, regs_allocated,
3924 order_regs_for_local_alloc): Nuke.
3925 (override_options): Kill reg_alloc code.
3926 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3927 (REG_ALLOC_ORDER): SSE goes before I387.
3928 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3929 (ix86_reg_alloc_order): Likewise.
3930 * i386-protos.h (ix86_reg_alloc_order): Kill.
3932 2001-02-14 Richard Henderson <rth@redhat.com>
3934 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3936 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3938 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3940 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3942 * i386-protos.h (ix86_memory_move_cost): Move offline.
3943 * i386.c (ix86_register_move_cost): Compute properly cost of
3944 SSE, MMX and i387 instructions.
3945 (*_cost): Add costs of SSE/MMX moves.
3946 (ix86_memory_move_cost): Move offline from ....; Likewise.
3947 * i386.h (MEMORY_MOVE_COST): .... here;
3948 (struct processor costs): Add new fields to represent costs
3951 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3953 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3954 move_cost together with Matt Kraai's fix.
3956 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3958 * Makefile.in (OBJS): Add params.o.
3960 2001-02-14 Richard Henderson <rth@redhat.com>
3961 DJ Delorie <dj@redhat.com>
3963 * jump.c (jump_optimize_1): When we delete a conditional jump
3964 preceeding a non-conditional jump to effectively the same place,
3965 make sure that the combined jump skips any clobber insns between
3968 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3970 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3972 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3974 * Makefile.in (toplev.o): Depend on params.h.
3975 (intergate.o): Likewise.
3976 (params.o): New target.
3977 * flags.h (inline_max_insns): Remove.
3978 * integrate.c: Include params.h.
3979 Use MAX_INLINE_INSNS instead of inline_max_insns.
3980 * params.c: New file.
3981 * params.h: Likewise.
3982 * params.def: Likewise.
3983 * toplev.c: Include params.h.
3984 (lang_independent_params): New variable.
3985 (decode_f_option): Use the param machinery instead of setting
3987 (independent_decode_option): Handle "--param name=value".
3988 (main): Register language-independent parameters.
3990 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3992 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3994 2001-02-14 Richard Henderson <rth@redhat.com>
3996 * regclass.c (init_reg_sets_1): Revert last two changes.
3998 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4000 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4001 (variable_size): Call put_pending_size.
4002 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4003 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4004 sizes list, put newly created SAVE_EXPR there as well.
4006 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4008 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4009 (errata_find_address_regs): load_group has only 2 entries.
4010 (errata_emit_nops): Likewise. shladd is not problematic.
4011 Clear last_group if nop was emitted.
4012 (fixup_errata): load_group has only 2 entries.
4015 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4017 * c-lex.c (lex_number): Only warn traditionally for U suffix
4018 outside system macros.
4019 * cppexp.c (parse_number): Similarly.
4020 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4021 * cppmacro.c (struct cpp_macro): New member node.
4022 (parse_args): Only warn about missing rest args if not
4024 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4025 (cpp_sys_objmacro_p): New.
4026 (_cpp_create_definition): Store the node with the macro defn.
4027 Remember if the macro is defined in a system header.
4029 2001-02-13 DJ Delorie <dj@redhat.com>
4031 * configure.in (check_languages): determine languages to check
4032 * Makefile.in (check-c++): alias for check-g++
4033 (check-f77): alias for check-g77
4034 (CHECK_TARGETS): depend on configured languages
4036 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4038 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4039 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4040 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4041 (sqrtextendsfdf2): Disable for SSE2.
4043 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4045 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4046 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4047 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4048 (sqrtextendsfdf2): Disable for SSE2.
4050 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4052 * i386.md (movsfcc_1): Support integer cmove instruction.
4053 (movdfcc_1): Likewise; new splitter.
4055 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4057 * i386.c (output_fp_compare): Support SSE.
4058 (prepare_fp_compare_args): SSE comparisons always support memory.
4059 * i386.h (TARGET_CMOVE): SSE imply cmove.
4060 * i386.md (cmp?f2): Enable for SSE too.
4061 (cmpfp_i*): Support SSE.
4063 (cmpfp_i_sse_only): New.
4064 (s*, b* fp expanters): Enable for SSE too.
4065 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4068 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4070 * regclass.c (init_reg_sets_1): Silence warning.
4072 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4074 * i386.md (sqrt?f2): Change to expander.
4075 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4077 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4079 * rtlanal.c (find_reg_equal_equiv_note): New function.
4080 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4081 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4082 * rtl.h: Add declarations for above functions.
4084 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4086 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4088 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4089 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4090 * flow.c (mark_regs_live_at_end): Likewise.
4091 (calculate_global_regs_live): Likewise.
4092 * gcse.c (compute_hash_table): Likewise.
4093 (compute_kill_rd): Likewise.
4094 * resource.c (mark_target_live_regs): Likewise.
4095 * rtl.h (INVALID_REGNUM): New macro.
4097 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4099 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4101 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4103 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4106 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4108 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4110 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4111 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4112 (fop_sf_1_sse, fop_df_1_sse): New patterns
4113 (fop_*): Disable float_extend and float patterns for SSE compilation.
4114 * i386.c (output_387_binary_op): Support SSE.
4116 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4118 * i386.md (dummy_extendsfdf2): Support SSE2
4119 (extendsfdf2): Enable if 80387 or SSE2.
4120 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4121 and no MIX_I387_SSE2
4122 (extendsfdf2_1_sse_only): New pattern.
4123 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4125 (truncdfsf2_1): Support SSE.
4126 (truncdfsf2_2): Support SSE.
4127 (truncdfsf2_2_1_sse): New pattern.
4128 (fixtruncsfsi2): Always use SSE if available.
4129 (fix_truncsfsi_sse): New pattern.
4130 (fix_truncdfsi_sse): New pattern.
4131 (floatsis?f2): Support SSE.
4132 (floatsidf2_i387): New pattern.
4133 (floatsidf2_sse): Likewise.
4135 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4137 * configure.in: Use "have_gnat" variable, not "gnat".
4138 * configure: Regenerated.
4140 * config/sparc/sparc.c (function_value): Treat all non-record
4141 aggregate types like used to treat UNION_TYPE.
4143 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4145 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4146 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4148 (MASK_MIX_SSE_I387): New.
4149 (TARGET_SSE): SSE2 imply SSE.
4150 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4151 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4152 (enum reg_class): Add new classes.
4153 (REG_CLASS_NAMES): Likewise.
4154 (REG_CLASS_CONTENTS): Likewise.
4155 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4156 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4157 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4158 (CLASS_MAX_NREGS): Use new macros.
4159 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4160 * i386.md (pushsf, movsf): Support SSE.
4161 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4162 splitters to use ANY_FP_REGNO_P.
4163 (movdf_nointeger, movdf_integer): Likewise.
4165 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4167 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4168 (try_combine): Use it.
4170 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4172 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4173 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4174 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4175 (REGISTER_MOVE_COST): Likewise.
4176 * i386-protos.h (ix86_secondary_memory_needed,
4177 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4178 * i386.c (ix86_secondary_memory_needed,
4179 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4181 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4183 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4184 (HARD_REGNO_MODE_OK): Move offline to ....
4185 * i386.c (ix86_hard_regno_mode_ok) ... here;
4186 refuse all incorrect modes.
4187 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4189 2001-02-13 Richard Henderson <rth@redhat.com>
4191 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4192 entire operator; replicate that and match_dup the operands.
4193 (cmp_ccx_arith_op_set): Likewise.
4194 (cmp_cc_arith_op_not_set): Likewise.
4195 (cmp_ccx_arith_op_not_set): Likewise.
4197 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4199 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4201 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4203 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4204 (TARGET_NO_BITFIELD_WORD): New macro.
4205 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4206 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4208 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4210 * cselib.c: New file, from simplify-rtx.c.
4211 * simplify-rtx.c: Remove cselib parts.
4212 * Makefile.in: Add cselib.o.
4214 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4216 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4217 (setup_incoming_varargs): Remove warning.
4219 * config/rs6000/rs6000.c (validate_condition_mode): When
4220 flag_fast_math, allow floating-point conditionals to be reversed.
4221 (rs6000_generate_compare): When flag_fast_math, don't generate
4222 cror operations for FP conditionals.
4224 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4226 (ASM_SPEC): Likewise.
4227 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4228 (CC1_SPEC): Likewise.
4229 (LINK_TARGET_SPEC): Likewise.
4230 (CPP_ENDIAN_SPEC): Likewise.
4231 * Makefile.in (check-consistency): New target.
4233 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4235 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4236 "return type defaults" warning for functions with return type
4238 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4239 function declarations by default rather than only when pedantic.
4241 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4243 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4246 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4248 * extend.texi (Deprecated): Deprecate new initializer lists.
4250 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4252 * mkdeps.c (deps_add_default_target): Robustify. Add
4253 basename component only.
4254 * cpp.texi (-M): Describe how default target is generated.
4255 * invoke.texi (-M): Likewise.
4257 2001-02-12 Kazu Hirata <kazu@hxi.com>
4259 * toplev.c (push_float_handler): Remove.
4260 (pop_float_handler): Remove.
4261 * toplev.h: Remove prototypes for the above functions.
4263 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4265 * c-common.c (constant_fits_type_p): New function.
4266 (convert_and_check): Use it.
4268 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4270 * Makefile.in (GXX_ABI_FLAG): Don't define.
4271 * configure.in (--enable-new-gxx-abi): Remove option.
4272 * config.in: Regenerated.
4273 * configure: Likewise.
4275 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4277 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4279 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4280 regular basic block, and arrange for all edges into it to switch
4283 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4285 * Makefile.in (distclean): Do not remove .gdbinit.
4287 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4289 * Makefile.in (gcc.o): Fix typos.
4290 (protize.o): Likewise.
4291 (unprotoize.o): Likewise.
4293 2001-02-11 Richard Henderson <rth@redhat.com>
4295 * tree.c (build1): Check for null operand in last change.
4297 2001-02-11 Richard Henderson <rth@redhat.com>
4299 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4300 (fold): Don't assume a constant isn't foldable.
4301 * tree.c (build): Set TREE_CONSTANT for an expression with no
4302 side-effects and constant operands.
4305 2001-02-10 Richard Henderson <rth@redhat.com>
4307 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4309 2001-02-10 Anthony Green <green@redhat.com>
4311 * cpp.texi (Standard Predefined): Add documentation for
4314 * c-common.c (combine_strings): Improve warning message.
4316 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4318 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4320 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4322 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4324 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4327 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4329 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4332 2001-02-09 Nick Clifton <nickc@redhat.com>
4334 * config/arm/arm.md: Change output contraint on post inc
4335 load/store multiple patterns to be a read/write contraint.
4337 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4340 .o files when using the -M options.
4342 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4343 David Edelsohn <edelsohn@gnu.org>
4345 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4346 handle DImode constants. Use one TOC entry for SImode and smaller
4347 constants, aligned properly.
4349 2001-02-08 Jason Merrill <jason@redhat.com>
4351 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4352 about the SP adjustment for saving the static chain pointer.
4353 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4354 offset when setting a temporary CFA register.
4356 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4358 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4359 powerpc-*-chorusos* .
4360 * config/rs6000/chorus.h : New file.
4361 * config/i386/chorus.h : New file.
4362 * config/sparc/chorus.h : New file.
4363 * config/sparc/t-chorus-elf : New file.
4365 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4367 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4368 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4369 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4370 (__WCHAR_TYPE__): Correct macro name.
4372 2001-02-08 Richard Henderson <rth@redhat.com>
4374 * config/i386/i386.c (ix86_frame_pointer_required): New.
4375 (ix86_setup_frame_addresses): New.
4376 (struct machine_funciton): Add accesses_prev_frame.
4377 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4378 ix86_frame_pointer_required.
4379 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4380 (SETUP_FRAME_ADDRESSES): New.
4381 * config/i386/i386-protos.h: Update.
4382 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4383 from FRAME_POINTER_REQUIRED.
4384 * config/i386/svr3gas.h: Likewise.
4385 * config/i386/sysv3.h: Likewise.
4386 * config/i386/v3gas.h: Likewise.
4388 2001-02-08 Richard Henderson <rth@redhat.com>
4390 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4391 calculation of the number of integer registers required.
4392 (function_arg_record_value): Likewise.
4394 2001-02-08 Jason Merrill <jason@redhat.com>
4396 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4397 two. Print file and line with "confused" message.
4399 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4401 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4403 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4405 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4407 * final.c (cleanup_subreg_operands): The address of a MEM can
4410 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4413 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4415 * gcc.texi (Incompatibilities): Update documentation of
4416 preprocessing numbers.
4418 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4420 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4422 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4424 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4426 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4427 * gcc.c (struct compiler): Add cpp_spec field.
4428 (input_file_compiler): New variable.
4429 (do_spec_1): Allow a particular compiler to handle `%C'
4431 (main): Store the current compiler in input_file_compiler.
4432 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4434 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4436 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4437 * cppinit.c (cpp_create_reader): Initialize them.
4438 (append_include_chain): cxx_aware arg might be unused.
4439 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4440 keywords and give them their phase 7 meaning. Pedwarn about
4441 this unless '__bool_true_false_are_defined' is defined.
4443 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4445 * lcm.c (optimize_mode_switching): Emit mode_set before the
4446 JUMP_INSN of an abnormal edge.
4448 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4450 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4451 a scheduling barrier at the end.
4453 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4455 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4457 * config/sh/sh.md (reload_outsf): Removed.
4458 (movsf_ie): Introduce constraints for FPUL loads and stores.
4459 (reload_insf): Broaden the output constraint.
4461 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4463 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4464 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4466 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4468 * final.c: Revert my previous changes.
4469 * output.h: Make profile_label_no extern.
4470 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4471 for generating label.
4473 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4475 * config/i386/djgpp.h: Add comments about standard paths.
4476 (MD_EXEC_PREFIX): Undefine before defining.
4477 (MD_STARTFILE_PREFIX): New.
4479 2001-01-30 Bruce Korb <bkorb@gnu.org>
4481 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4482 (load_file): do not rely on load_file_data() to close file pointer
4483 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4484 fixinc/inclhack.def(irix_limits_const): add test_text
4486 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4488 * cppexp.c (parse_defined): Improve diagnostics for invalid
4491 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4493 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4495 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4497 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4498 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4499 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4500 (rs6000_output_symbol_ref): New function.
4501 (output_toc): Use VTABLE_NAME_P.
4503 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4505 * print-tree.c (print_node, case PARM_DECL):
4506 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4508 * stor-layout.c (reference_types_internal): New variable.
4509 (internal_reference_types): New function.
4510 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4511 * tree.h (internal_reference_types): New declaration.
4513 * cse.c (find_best_addr): Fix typo in computing cost.
4515 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4517 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4518 and this is the sum of a pointer and a constant, we know the result
4520 (num_sign_bit_copies, case PLUS): Likewise.
4521 * explow.c (convert_memory_address): Remove opposite SUBREG.
4522 * function.c (instantiate_new_reg): New function (from common code).
4523 (instantiate_virtual_regs_1): Call it.
4524 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4525 if pointers sign- or zero-extend.
4526 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4527 If pointers extend unsigned, use inside of SUBREG.
4528 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4530 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4532 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4533 subdir of gcc_gxx_include_dir.
4534 (gcc_gxx_target_include_dir): Remove.
4536 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4538 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4539 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4540 a high-level description.
4542 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4544 * final.c: Move the declaration of profile_label_no to ...
4545 * output.h: ... here.
4546 * function.c (expand_function_start): Call PROFILE_HOOK.
4547 * config/rs6000/aix.h: Define PROFILE_HOOK.
4548 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4549 * config/rs6000/rs6000.c (output_profile_hook): Define.
4550 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4551 output_profile_hook.
4552 tm.texi : Explain new macro PROFILE_HOOK.
4554 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4556 * extend.texi (Extended Asm): Do not say that semicolon is always
4557 a valid line-breaking character for GNU assemblers. Use
4558 newline-tab as the most commonly supported syntax. Use
4559 newline-tab rather than semicolon in multi-insn examples.
4561 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4563 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4565 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4566 David Edelsohn <edelsohn@gnu.org>
4568 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4569 code for AIX, even without flag_pic.
4571 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4573 * c-typeck.c (common_type): push and pop binding level around
4574 calling common_type on function parameters.
4576 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4578 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4580 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4582 * config/mips/mips.c (override_options): Fix typo in last change.
4583 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4584 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4586 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4588 * invoke.texi (-fdump-class-layout): Document.
4589 (-fdump-translation-unit): Use `=' as filename separator.
4591 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4593 * Makefile.in (s-mlib): Don't build multilibs if
4595 (DRIVER_DEFINES): Adjust accordingly.
4597 (protoize.o): Likewise.
4598 (unprotoize.o): Likewise.
4599 * configure.in: Recognize --enable-multilib.
4601 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4603 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4605 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4606 * configure.in: Remove --enable-libstdcxx_v3 support.
4607 * configure: Regenerated.
4609 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4611 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4612 Call abort instead of fatal.
4613 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4614 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4615 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4616 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4617 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4618 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4620 * diagnostic.h (set_internal_error_function): Renamed.
4621 * toplev.h (internal_error): Renamed from fatal.
4622 (pfatal_with_name): Deleted.
4623 (fatal_io_error): Now has printf-style arguments.
4624 * diagnostic.c (pfatal_with_name): Deleted.
4625 (fatal_io_error): Rework to have args in printf-style.
4626 (set_internal_error_function): Renamed from set_fatal_function.
4627 (internal_error): Renamed from fatal.
4628 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4629 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4630 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4631 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4632 * flow.c (verify_flow_info): Likewise.
4633 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4634 * config/mips/mips.c (save_restore_insns): Likewise.
4636 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4637 * flow.c (verify_flow_info): Likewise.
4638 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4639 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4640 (avr_normalize_condition): Likewise.
4641 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4642 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4643 (limit_reload_class, double_reg_to_memory): Likewise.
4644 (print_operand_address, emit_1600_code_shift): Likewise.
4645 (gen_tst_reg, gen_compare_reg): Likewise.
4646 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4647 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4649 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4651 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4652 * objc/objc-act.c (build_ivar_chain): Likewise.
4653 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4655 * graph.c (clean_graph_dump_file): Likewise.
4656 * profile.c (init_branch_prob): Likewise.
4657 * objc/objc-act.c (objc_init): Likewise.
4659 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4660 * config/avr/avr.c (avr_override_options): Likewise.
4661 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4662 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4663 * config/h8300/h8300.c (h8300_init_once): Likewise.
4664 * config/mips/mips.c (override_options): Likewise.
4665 * config/i386/i386.c (override_options): Likewise, rework.
4666 * config/m68k/m68k.c (override_options): Likewise.
4668 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4670 * config/mips/mips.c (print_operand): Likewise.
4671 * hash.c (hash_allocate): Don't check for failure returns from
4672 obstack functions that can't fail.
4673 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4674 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4675 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4676 (get_object_reference): Likewise.
4678 2001-02-04 Nick Clifton <nickc@redhat.com>
4680 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4681 StrongARM1110, 10TDMI, and 1020T.
4683 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4685 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4687 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4689 * config/sh/sh.md (movdf load split): Pass register number to
4690 FP_OR_XD_REGISTER_P.
4692 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4694 * cppinit.c (BC): New macro.
4695 (builtin_array): Add __GXX_WEAK__.
4696 * cpplib.h (builtin_type): Add BT_WEAK.
4697 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4698 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4699 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4701 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4703 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4705 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4707 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4708 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4710 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4712 * cpphash.h: Rename ALIGN _ALIGN.
4713 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4715 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4717 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4718 compilation environment.
4719 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4720 control over location of cygwin includes and libs.
4722 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4724 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4726 2001-02-02 lars brinkhoff <lars@nocrew.org>
4728 * md.texi (Standard Names): remove reference to spur.md.
4730 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4732 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4733 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4734 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4735 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4736 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4738 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4740 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4741 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4742 number before reload.
4743 (c4x_adjust_cost): Return zero before reload.
4744 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4745 split before reload.
4747 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4749 * c4x.c (c4x_hard_regno_rename_ok): New.
4750 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4751 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4753 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4755 * diagnostic.h: Add missing "extern" in all declarations.
4757 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4759 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4760 as for gcc_gxx_include_dir.
4762 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4764 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4766 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4768 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4769 label before alignment to be used as the braf base address.
4770 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4772 (casesi_jump_2): Require at least TARGET_SH2.
4774 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4775 truncation to 32-bit doubles on -m3e and -m4-single-only.
4777 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4779 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4780 the default when building a shared object.
4781 (init_spec): Use it.
4782 * testsuite/lib/g++.exp: Include the directory where libgcc
4783 is located to the LD_LIBRARY_PATH list.
4784 * invoke.texi (-shared-libgcc): Document the cases in which
4785 GCC defaults to using the shared libgcc.
4787 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4789 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4790 unsigned is wide enough.
4792 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4793 (si_to_float): Likewise.
4794 (float_to_si, float_to_usi): Use BITS_PER_SI.
4796 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4798 * dwarf2out.c: Added explanation of abbreviations.
4799 (def_cfa_1): Added comments listing DWARF2 instructions.
4800 (cfa_temp_reg): Removed in favor of cfa_temp.
4801 (cfa_temp_value): Removed in favor of cfa_temp.
4802 (cfa_temp): New global variable.
4803 (dwarf2out_frame_debug_expr): Added extensive introductory
4804 comments explaining the function's transformations. Revised to
4805 use cfa_temp. Added some rtx checking. Generalize IOR case.
4806 (dwarf2out_frame_debug): Revised to use cfa_temp.
4807 (output_aranges): Cast as "unsigned" to avoid warning.
4808 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4809 explain which instructions must be marked.
4811 2001-02-01 Richard Henderson <rth@redhat.com>
4813 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4816 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4818 * config/sh/crt1.asm (main_k): Modified so that start calls
4819 ___setup_argv_and_call_main.
4821 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4823 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4824 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4825 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4826 * cppmacro.c (builtin_macro): Set builtin flags here.
4827 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4828 (replace_args): Clarify intent.
4829 (cpp_get_token): Macro expansion tokens get the saved flags.
4831 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4834 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4836 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4839 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4841 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4842 returns Pmode pseudo, but we need ptr_mode.
4843 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4844 Remove bogus conversions; use HOST_WIDE_INT for size.
4845 Don't use TARGET if wrong mode.
4847 * config/i386/i386.c (ix86_compute_frame_size): Allow
4848 stack_alignment_needed to be non-default even if size is zero.
4850 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4852 * pa.c (hppa_init_pic_save): New function.
4853 * pa.h (hppa_init_pic_save): Declare.
4854 * pa.md (call, call_value, sibcall, sibcall_value): Use
4855 the above instead of duplicated code.
4857 * pa.c (hppa_encode_label): Correct size of alloca buffer
4858 so we don't overrun it. Correct leading `*' case.
4859 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4860 need to handle `*@'.
4861 (FUNCTION_NAME_P): Likewise.
4863 2001-01-31 Richard Henderson <rth@redhat.com>
4865 * config.gcc (alpha-osf5): Use float-i128.h.
4867 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4868 * config/float-i32.h: Likewise.
4869 * config/float-i64.h: Likewise.
4870 * config/float-sh.h: Likewise.
4871 * config/float-sparc.h: Likewise.
4873 2001-01-31 DJ Delorie <dj@redhat.com>
4875 * expmed.c (extract_bit_field): allow non-integral modes if we
4876 want to extract a whole register from itself.
4878 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4880 * c-typeck.c (set_init_index): If first is equal to last, assume as
4881 if it was not a range at all.
4883 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4885 * config/fp-bit.c: Include tm.h.
4886 (float_to_si): Don't assume SImode is 32-bits wide.
4887 (float_to_usi): Likewise.
4889 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4891 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4893 (typename): Call pending_xref_error after parsing typed_typespecs.
4894 * c-decl.c (lookup_tag): Give error immediately rather than
4895 leaving it pending if the tag of the wrong type is in the same
4897 (xref_tag): Don't pedwarn for forward declarations of enum types
4899 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4902 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4904 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4906 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4908 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4909 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4911 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4913 * cpphash.h (struct cpp_reader): New saved_flags.
4914 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4915 to avoid a paste after a pasted token.
4917 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4919 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4920 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4921 Wtype_MIN instead of LONG_MIN.
4923 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4925 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4927 * fixinc/fixincl.x: Regenerated.
4928 * fixinc/inclhack.def (irix_limits_const): New definition to
4929 convert "const" to "__const" in limits.h.
4931 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4933 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4935 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4937 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4938 when register dies in the insn.
4940 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4942 * diagnostic.c (fatal): Fix word wrap.
4944 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4946 * combine.c (try_combine): Fix SUBREG setting for
4947 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4949 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4951 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4954 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4956 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4958 * toplev.c (decode_W_option): Update warn_larger_than
4959 unconditionally for each processed switch.
4961 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4963 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4965 (hppa_expand_prologue): Delete code to save pic offset table register
4966 in the function prologue.
4967 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4968 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4969 table register at the beginning of the function after the prologue.
4971 2001-01-29 lars brinkhoff <lars@nocrew.org>
4973 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4975 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4976 Jeff Law <law@redhat.com>
4978 * pa.md (return): Revise comment for trivial return.
4979 (return_internal): Non-trivial return pattern for non-PIC code.
4980 (return_internal_pic): Non-trivial return pattern for PIC code.
4981 It uses the PIC register to ensure it is restored after
4983 (epilogue): Generate appropriate return for PIC and non-PIC code.
4985 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4987 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4989 2001-01-29 DJ Delorie <dj@redhat.com>
4991 * combine.c (if_then_else_cond): Pass the correct mode to
4992 operand_subword() for constants.
4994 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4996 * config/i386/cygwin.h: Add w32api to include search. Search different
4997 directories in a cross-build environment.
4999 2001-11-29 Tim Josling <tej@melbpc.org.au>
5001 * tree.h (TYPE_STUB_DECL): Add documentation.
5003 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5005 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5006 (sdbout_field_types): Likwise. Fix use of host_integerp.
5008 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5010 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5013 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5015 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5016 to use flag_gnu_linker.
5018 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5020 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5021 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5023 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5025 * tree.c, tree.h (build_parse_node): Remove; was identical to
5027 * c-lang.c (start_cdtor), objc/objc-act.c
5028 (build_module_descriptor): Use build_nt instead of
5031 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5033 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5034 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5035 not have any upper bits set.
5037 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5039 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5041 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5043 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5045 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5047 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5048 (integer_minus_one_node): Define.
5050 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5052 * Makefile.in (bootstrap2-lean): Fix typo.
5054 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5056 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5057 : Don't set fe_value.
5058 * cpplib.h (AVOID_LPASTE): New flag.
5059 (struct cpp_hashnode): Remove fe_value.
5060 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5061 * cppmacro.c (builtin_macro): Don't set flags here.
5062 (replace_args): Set AVOID_LPASTE flag on first token of an
5063 argument, and the token following it.
5064 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5065 macro expansion, and on the token following it. Do it for
5067 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5069 2001-01-27 Richard Henderson <rth@redhat.com>
5071 * config/alpha/t-ieee: Remove multilibbing.
5072 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5074 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5076 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5078 * Makefile.in: Remove all dependencies on defaults.h.
5079 * builtins.c: Don't include defaults.h.
5080 * c-common.c: Likewise.
5081 * c-decl.c: Likewise.
5082 * c-pragma.c: Likewise.
5083 * c-typeck.c: Likewise.
5084 * combine.c: Likewise.
5086 * frame-ia64.c: Likewise.
5087 * cppexp.c: Likewise.
5088 * crtstuff.c: Likewise.
5089 * dbxout.c: Likewise.
5090 * dwarf2out.c: Likewise.
5091 * dwarfout.c: Likewise.
5092 * emit-rtl.c: Likewise.
5093 * except.c: Likewise.
5095 * final.c: Likewise.
5096 * frame-dwarf2.c: Likewise.
5097 * libgcc2.c: Likewise.
5098 * optabs.c: Likewise.
5099 * profile.c: Likewise.
5100 * sdbout.c: Likewise.
5101 * toplev.c: Likewise.
5102 * tradcif.y: Likewise.
5104 * varasm.c: Likewise.
5106 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5108 * builtins.c (expand_builtin_fputs): Use size_one_node when
5109 transforming into fwrite.
5111 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5113 * extend.texi (Attribute Syntax): New section.
5115 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5117 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5118 they didn't need fixing.
5120 2001-01-27 Janis Johnson <janis@us.ibm.com>
5122 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5124 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5125 to remove macro definitions that are duplicated from elfos.h.
5127 2001-01-27 Richard Henderson <rth@redhat.com>
5129 * config/i386/sco5gas.h: Move ...
5130 * config/usegas.h: ... here.
5131 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5133 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5135 * c-typeck.c (struct constructor_stack): Add range_stack member.
5136 (really_start_incremental_init): Clear it.
5137 (push_init_level): Save constructor_range_stack and clear it if
5138 pushing explicit braces.
5139 (pop_init_level): abort if constructor_range_stack is non-zero at
5140 explicit closing brace. Restore saved constructor_range_stack if
5143 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5145 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5146 into register was forced into memory.
5148 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5150 * Makefile.in: Remove uses of + before $(MAKE).
5152 2001-01-26 Richard Henderson <rth@redhat.com>
5154 * stmt.c (cost_table): Remove.
5155 (COST_TABLE, cost_table_initialized): New.
5156 (estimate_case_costs): Use the later instead of the former.
5157 (balance_case_nodes): Likewise.
5159 2001-01-26 Richard Henderson <rth@redhat.com>
5161 * alias.c (objects_must_conflict_p): Read-only slots may not
5162 conflict despite having the same type.
5164 2001-01-27 Michael Hayes <mhayes@redhat.com>
5166 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5168 (check_ext_dependant_givs): Initialise u_start_val and
5170 (load_mems): Make last_max_reg unsigned.
5171 (try_swap_copy_prop): Use INSN_P and initialise set.
5173 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5175 * README.AVR : Removed.
5177 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5179 * pa-64.h (text_section): Remove declaration.
5181 * pa.md (return_internal): Remove mode on PIC register use.
5183 2001-01-25 lars brinkhoff <lars@nocrew.org>
5185 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5186 ASM_CLOSE_PAREN): fix typos.
5188 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5190 * acconfig.h: Define `const' to the empty string if neither
5191 __STDC__ nor __cplusplus is defined.
5192 * config.in: Regenerated.
5194 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5196 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5197 * collect2.c (main): Delete importf. Add ".obj" file extension.
5198 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5199 (aix_std_libs): Add additional AIX libraries to skip.
5200 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5201 * config/rs6000/aix51.h: New file.
5203 2001-01-25 Michael Hayes <mhayes@redhat.com>
5205 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5206 (loop_insn_emit_before): No longer static.
5207 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5208 (loop_givs_rescan, load_mems): Likewise.
5209 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5210 (maybe_eliminate_biv_1):
5211 (move_movables): Replace emit_call_insn_before with
5212 loop_call_insn_hoist.
5213 * loop.h (loop_insn_emit_before): Add.
5214 * unroll.c (copy_loop_body): Replace emit_insn_before with
5215 loop_insn_emit_before.
5217 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5219 * diagnostic.c (fatal): Request preprocessed source.
5221 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5223 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5224 olddecl has argument types and newdecl has none, use the argument
5227 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5229 * dwarf2out.c (prefix_of): New function. Determine longest common
5230 prefix of the two arguments. The units are whole path components.
5231 (output_file_names): When adding a new directory find the one entry
5232 with the longest common prefix already in the list. Artificially
5233 generate entry if there is none for this prefix.
5234 Fix test to check whether the zeroth directory entry is used.
5236 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5238 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5239 Changed all callers. Take it into account when deciding if a
5240 previously loaded value matches.
5242 2001-01-24 Richard Henderson <rth@redhat.com>
5244 * reload.c (find_reloads_subreg_address): Fail the substitution
5245 if the resulting address is insufficiently aligned.
5247 2001-01-24 DJ Delorie <dj@redhat.com>
5249 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5250 check the original operand's mode also.
5251 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5253 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5255 * c-parse.in (cast_expr): Move compound literals from here ...
5256 (primary): ... to here. Use standard terminology "compound
5257 literal" instead of "constructor expression".
5259 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5261 * gcc.1, cpp.1: Regenerate.
5263 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5265 * calls.c (emit_library_call_value_1): Memory slot for
5266 pass-by-reference argument should have the mode of the argument,
5267 not of the pointer to it.
5269 2001-01-24 Tom Tromey <tromey@redhat.com>
5271 * gcc.texi (G++ and GCC): Mention gcj manual.
5272 (Standards): Link to section of manual mentioning gcj/Java
5275 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5277 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5278 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5279 * tradcpp.c (main): Add -imacros or -include'd dependencies
5281 * cpp.texi (-M, -MM): Document -M -include behaviour.
5283 2001-01-24 Roger Collins <roger@ProProject.com>
5285 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5287 2001-01-24 Will Cohen <wcohen@redhat.com>
5289 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5290 whether registers are 32 bits or 64 bits in size.
5292 2001-01-24 Ben Elliston <bje@redhat.com>
5294 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5296 2001-01-24 Richard Henderson <rth@redhat.com>
5298 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5299 (builtin_longjmp): Use it instead of emit_indirect_jump.
5301 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5303 * bb-reorder.c (make_reorder_chain_1): Handle case where
5304 jump edge goes to the same block as the fallthru edge.
5306 2001-01-23 Jim Wilson <wilson@redhat.com>
5308 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5309 * frame.h (__ia64_personality_v1): Add prototype.
5310 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5311 prototype form. Add void * cast to first argument to personality
5313 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5314 (asctoe113): Likewise.
5315 * config/ia64/frame-ia64.c: Include eh-common.h.
5316 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5318 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5320 (itanium_split_issue): Add prototype.
5321 (gen_nop_type): Ifdef out.
5322 (find_best_packet): Initialize best_packet.
5323 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5325 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5326 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5327 (flushrs): Add explicit stop bit at end.
5328 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5331 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5333 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5335 * libgcc2.c (__terminate_func): Make variable static.
5336 (__terminate_set_func): New function to set __terminate_func.
5337 * libgcc2.h (__terminate_func_ptr): New typedef.
5338 (__terminate_set_func): New function.
5340 2001-01-23 Richard Henderson <rth@redhat.com>
5342 * flow.c (init_propagate_block_info): Don't consider unchanging
5343 memories for dead frame store elimination.
5345 2001-01-23 Richard Henderson <rth@redhat.com>
5347 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5348 * defaults.h: ... here.
5350 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5352 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5354 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5356 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5358 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5360 * rs6000.h (rs6000_return_addr): Move prototype from here...
5361 * rs6000-protos.h (rs6000_return_addr): ...to here.
5362 (rs6000_init_expanders): Delete prototype.
5364 2001-01-23 Nick Clifton <nickc@redhat.com>
5366 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5367 (Spec Files): Document %B and %j and %. and %v3 and %M and
5368 %{S*&T} spec switches.
5370 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5372 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5374 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5375 Neil Booth <neil@daikokuya.demon.co.uk>
5377 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5378 Have -Werror make pedantic warnings errors, like the
5381 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5383 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5385 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5387 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5388 * integrate.c (expand_inline_function): Initialize them.
5389 (subst_constants): If changing COMPARE so that both its arguments
5390 will be VOIDmode and the comparison mode will be lost, note
5391 compare_mode. Use the recorded compare_mode to optimize
5394 2001-01-23 Jason Merrill <jason@redhat.com>
5396 * dwarf2out.c (new_die): Use xcalloc.
5397 (output_die): Abort rather than emit a local reference to offset 0.
5399 2001-01-17 Andrew Haley <aph@redhat.com>
5401 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5402 of a saved register; return NULL instead.
5403 (copy_reg): Take a pointer to a source register rather than a
5405 (next_stack_level): Remember the address in the stack frame of all
5407 Use the saved register pointer array as the source of the CFA.
5408 (throw_helper): Rewrite. Unwind once rather than twice and keep
5409 track of saved registers as we go.
5411 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5413 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5414 * c4x.c (c4x_legitimize_reload_address): Remove.
5415 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5416 reload address for ldp(k) insn.
5418 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5420 * pa.md (return_internal): Add a USE of the PIC register to ensure
5421 it is restored after each call.
5422 (return expander): Corresponding changes.
5424 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5426 * rs6000.h (INIT_EXPANDERS): Delete.
5427 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5428 * rs6000.c (rs6000_override_options): Call *_machine_status from
5430 (rs6000_init_expanders): ...instead of here. Delete.
5431 (rs6000_mark_machine_status): New function.
5432 (rs6000_init_machine_status): Use xcalloc.
5433 (rs6000_return_addr): Generate RTX for the return address.
5434 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5435 (rs6000_stack_info): Use it.
5437 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5439 * gthr-win32.h: Include errno.h to get a declaration for
5440 EINVAL and _mingw.h if the target is mingw32.
5442 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5444 * cpp.texi: Correct typos.
5446 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5448 * explow.c (probe_stack_range): Ensure value passed to
5449 stack_check_libfunc is ptr_mode, not Pmode.
5451 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5453 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5454 case, don't use operand_subword to calculate a SUBREG that is
5457 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5459 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5461 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5462 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5463 valid. If not replace it by equivalent insns.
5465 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5467 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5468 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5469 (c4x_U_constraint, symbolic_address_operand): Likewise.
5470 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5472 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5473 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5474 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5475 anulling slot because of silicon bug.
5476 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5478 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5480 * cppexp.c (parse_charconst): Change `mask' type to agree
5483 2001-01-21 Richard Henderson <rth@redhat.com>
5485 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5486 pic_label_name in a linkonce section.
5488 2001-01-17 Philipp Thomas <pthomas@suse.de>
5490 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5492 * configure: Regenerate.
5494 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5496 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5497 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5499 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5501 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5502 If REVERSE nonzero then condition code in X must be reversed.
5503 (encode_section_info): Optimise if/else.
5504 (avr_function_value): Fix formatting.
5506 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5507 (difficult_branch): Likewise.
5508 (rvbranch): Likewise.
5509 (difficult_rvbranch): Likewise.
5511 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5513 * config/avr/libgcc.S: Fix comment.
5515 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5517 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5519 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5521 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5523 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5525 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5526 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5527 * configure, config.in: Regenerate.
5528 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5529 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5530 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5531 (doprint.o): New rule.
5533 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5535 * c-typeck.c (digest_init): Handle boolean types as scalars.
5537 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5539 * stmt.c (expand_return): Don't return anything if size is zero.
5540 Delete redundant assignment to BYTES.
5541 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5543 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5545 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5546 the same as the default library function names.
5547 * config/avr/avr.md: Document special characters after '%'.
5548 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5549 knowing which of the call-used registers are really clobbered.
5550 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5551 New. Both quotient and remainder from one libgcc.S call.
5552 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5553 clobber as few registers as possible.
5554 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5556 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5558 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5559 context of the top of the stack.
5561 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5563 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5564 (fixup_var_refs_insns): ...here.
5566 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5568 * function.c (fixup_var_refs_insns): Break up into
5569 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5570 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5571 [loop over hash table entries].
5572 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5573 fixup_var_refs_insns_with_hash, to match above changes.
5575 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5577 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5578 (libgcc.a): Likewise.
5579 (stmp-multilib): Likewise.
5580 (STAGE2_FLAGS_TO_PASS): Likewise.
5582 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5584 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5585 temporary if no_new_pseudos.
5587 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5589 * cppinternals.texi: Update.
5591 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5593 * arm.c (arm_init_builtins): Re-enable builtins.
5595 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5597 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5598 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5599 element to be null, and always expect an EXPR_LIST.
5600 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5601 * sched-deps.c (sched_analyze_1): Likewise.
5602 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5604 * regclass.c (max_set_parallel): New variable.
5605 (reg_scan): Take it into account in computation of max_parallel.
5606 (reg_scan_mark_refs, case SET): Compute it.
5608 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5610 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5611 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5613 2001-01-19 Jason Merrill <jason@redhat.com>
5615 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5616 for the abstract instance of an inline function.
5618 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5619 J"orn Rennecke <amylaar@redhat.com>
5621 * reload1.c (move2add_note_store): Treat all registers directly or
5622 indirectly derived from a base register as members of the same set
5624 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5625 of base register into account.
5627 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5629 * alias.c (find_base_value): Recognize TRUNCATE.
5630 (record_set): In PLUS case, invalidate if other summand is also a
5633 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5635 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5636 entry to be EXPR_LIST.
5637 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5638 be an EXPR_LIST (but not null, which other code doesn't allow).
5639 (note_stores): Properly handle PARALLEL in SET.
5640 Recursively call for top-level PARALLEL.
5641 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5642 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5644 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5646 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5648 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5649 not pfile->skipping (== 0).
5651 2001-01-17 Nick Clifton <nickc@redhat.com>
5653 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5656 2001-01-17 Jim Wilson <wilson@redhat.com>
5658 * invoke.texi (IA-64 options): Improve.
5660 2001-01-17 Tom Tromey <tromey@redhat.com>
5662 * invoke.texi (Optimize Options): Use `{}' to around @samp
5665 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5667 * invoke.texi (-fno-guess-branch-probability): New option.
5669 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5671 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5672 case of making new double-word constant.
5673 Revert last change: instead just test i3_subst_into_i2.
5675 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5677 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5678 Use q constraints instead of r.
5680 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5682 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5683 (machine_function): Define.
5684 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5685 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5686 pa_free_machine_status): New functions.
5687 (override_options): Set {init,mark,free}_machine_status to above.
5688 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5689 PIC_OFFSET_TABLE_REGNUM_SAVED.
5690 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5691 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5692 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5693 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5694 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5696 2001-01-15 DJ Delorie <dj@redhat.com>
5698 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5702 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5704 * flow.c (propagate_on_insn): Make trying to delete a prologue
5705 or epilogue insn an ICE, not a warning. Allow doing this if
5706 the current function returns with stack pointer depressed.
5708 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5709 I3 having more than one SET.
5711 2001-01-16 Jim Wilson <wilson@redhat.com>
5713 * invoke.texi: Document IA-64 options.
5715 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5716 (fixup_errata): Delete TARGET_A_STEP use.
5717 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5718 (TARGET_SWITCHES): Delete -ma-step option.
5719 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5720 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5721 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5722 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5723 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5724 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5726 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5727 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5728 cmovsi_internal): Delete ! TARGET_A_STEP check.
5730 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5732 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5733 possibility to report bugs via postal mail. Change a URL and
5734 merge in a nearly duplicate statement...
5735 (Bug Reporting): ...from here.
5736 (Service): Refer to the Bug Reporting section instead of
5738 (Contributing): Remove trivial explanations concerning snapshots.
5740 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5742 * cppmain.c (general_init): Don't use ANSI prototype.
5744 2001-01-16 Tom Tromey <tromey@redhat.com>
5746 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5748 2001-01-16 Richard Henderson <rth@redhat.com>
5750 * config/i386/i386.h: Fix comment typo.
5751 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5752 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5754 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5756 * gcc.c: Revert previous -fsyntax-only-related change; move
5759 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5761 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5762 inmode after checking GET_CODE (op).
5764 2001-01-16 Richard Henderson <rth@redhat.com>
5766 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5767 (MAX_MEM_SET_LIST_LEN): New.
5768 (propagate_one_insn): Update mem_set_list_len.
5769 (invalidate_mems_from_autoinc): Likewise.
5770 (invalidate_mems_from_set): Likewise.
5771 (mark_used_regs): Likewise.
5772 (init_propagate_block_info): Likewise. Stop collecting memories
5773 when we reach MAX_MEM_SET_LIST_LEN.
5774 (mark_set_1): Likewise.
5776 2001-01-16 Richard Henderson <rth@redhat.com>
5778 * unroll.c (precondition_loop_p): Fail if no iteration
5781 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5783 * gcc.c: When -fsyntax-only is given, do not complain about
5786 2001-01-15 Richard Henderson <rth@redhat.com>
5788 * config/i386/i386.c (asm_output_function_prefix): Remove.
5789 (ix86_asm_file_end): New.
5790 (load_pic_register): Generate pic_label_name into a
5791 staticly allocated buffer.
5792 * config/i386/i386-protos.h: Update.
5793 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5794 (ASM_FILE_END): New.
5795 * config/i386/i386afe.h: New file.
5796 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5797 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5798 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5799 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5800 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5801 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5802 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5804 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5806 * Makefile.in (install-man): Remove explicit dependency on
5809 * configure.in, configure: Revert previous patch requiring perl
5812 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5814 * toplev.c (flag_guess_branch_prob): New.
5815 (f_options): Add guess-branch-probability option.
5816 (rest_of_decl_compilation): Only estimate branch probability if
5818 (main): set flag_guess_branch_prob.
5820 * flags.h (flag_guess_branch_prob): New.
5822 2001-01-15 DJ Delorie <dj@redhat.com>
5824 * gcc.texi (Makefile): Add documentation for Makefile targets.
5826 2001-01-15 Philip Blundell <philb@gnu.org>
5828 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5830 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5831 (is_pic): Delete declaration.
5832 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5833 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5834 * config/arm/arm.md (builtin_setjmp_receiver): New.
5836 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5838 * arm.c (use_return_insn): Don't try to determine the function type
5839 until after reload has completed.
5840 (arm_output_epilogue): Don't adjust the sp value recovered from the
5842 (emit_multi_reg_push): Don't record dwarf information for the pc.
5843 * arm.md (eh_epilogue): The function type may have changed, so it
5844 needs to be recalculated.
5845 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5846 unwind tables on arm/netbsd.
5848 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5850 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5851 (negated_cbranchsi4): Likewise.
5853 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5855 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5856 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5857 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5858 pass -mapcs-* options to assembler.
5859 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5860 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5861 (ASM_SPEC): Call subtarget_extra_asm_spec.
5863 2001-01-15 Andreas Jaeger <aj@suse.de>
5865 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5867 (ix86_expand_builtin): Likewise.
5869 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5870 warning about comparison between signed and unsigned.
5872 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5874 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5876 2001-01-14 Ralf Baechle <ralf@gnu.org>
5878 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5879 SUBTARGET_CPP_SPEC apropriatly.
5881 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5883 * varasm.c (make_decl_rtl): Fix typo in last change.
5885 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5887 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5888 linker supports the init_priority C++ attribute.
5889 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5890 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5891 linker does not support init_priority C++ attribute.
5893 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5895 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5897 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5899 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5900 * cp/lex.c (finish_parse): Similarly.
5901 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5902 Return the number of errors encountered.
5903 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5904 * cppmain.c (main): Don't call cpp_destroy.
5906 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5908 * configure.in: Require at least perl 5.6.0 to regenerate
5910 * configure: Regenerate.
5912 2001-01-14 Richard Henderson <rth@redhat.com>
5914 * genrecog.c (DT_veclen_ge): New.
5915 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5916 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5917 (nodes_identical_1): Handle DT_veclen_ge.
5918 (write_cond, debug_decision_2): Likewise.
5920 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5922 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5924 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5926 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5928 * cppmain.c (do_preprocessing): New function; most of the old
5930 (main): Call it to do most of the work.
5931 (cb): Move from global scope to set_callbacks ().
5932 (setup_callbacks): Get the callback pointer.
5933 (general_init, printer_init): Clean up code and comments.
5935 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5937 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5940 2001-01-14 Kazu Hirata <kazu@hxi.com>
5942 * config/h8300/h8300.c (get_shift_alg): Update comments.
5944 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5946 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5947 (alloc_page, ggc_alloc): Add casts to remove warnings.
5949 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5951 * combine.c (simplify_comparison): Don't change `code' when
5952 can't reverse comparison.
5954 2001-01-14 Richard Henderson <rth@redhat.com>
5956 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5957 update all call sites. Return true for all non-label constants.
5959 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5961 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5963 (ix86_expand_branch): Update.
5964 (ix86_expand_setcc): Update to handle multiple test conditions.
5965 (expand_int_movcc): Likewise.
5966 (expand_fp_movcc): Likewise.
5967 * i386-protos.h (ix86_expand_compare): New.
5968 * i386.md (andqi_?_slp, orqi_?_slp): New.
5969 (conditional trap expander): Update call to ix86_expand_compare.
5971 2001-01-14 Richard Henderson <rth@redhat.com>
5973 * config/vax/vax.md: Use nonimmediate_operand instead of
5974 general_operand in destinations.
5976 * config/vax/vax.md (indirect_jump): Use register_operand.
5978 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5979 * config/vax/vax.md (call_pop): Turn into an expander.
5980 (call_value_pop): Likewise.
5981 (call, call_value): New.
5983 2001-01-14 Andreas Jaeger <aj@suse.de>
5985 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5987 (ix86_fp_compare_mode): Add unused attribute.
5988 (ix86_expand_fp_movcc): Remove unused variable.
5989 (ix86_expand_builtin): Make fcode unsigned.
5991 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5992 (expand_expr): Add cast to avoid signed warning.
5993 (store_field): Likewise.
5994 (store_constructor_field): Likewise.
5995 (store_constructor): Likewise.
5996 (store_expr): Likewise.
5997 (clear_storage): Likewise.
5998 (emit_group_store): Likewise.
5999 (emit_group_load): Likewise.
6001 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6003 * c-common.c: Move format checking code to ...
6004 * c-format.c: ... here. New file. Reorder some functions and
6006 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6008 * c-common.h (decl_handle_format_attribute,
6009 decl_handle_format_arg_attribute): Declare.
6010 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6011 (c-common.o): Adjust dependencies.
6012 (c-format.o): New list of dependencies.
6014 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6016 * unroll.c (loop_iterations): If we cannot prove iteration variable
6017 is set once in each iteration, punt.
6019 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6021 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6022 (*strlenhi): Remove clobber (which was buggy) of output address.
6024 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6026 * Makefile.in (generated-manpages): Add gcc.1
6027 ($(srcdir)/gcc.1): New target.
6028 (maintainer-clean): Delete $(srcdir)/gcc.1.
6029 * gcc.texi: Add macros @gccoptlist and @gol.
6030 * invoke.texi: Include option summary in manpage. Mark up option
6031 summary with @gccoptlist and @gol. Use @r in one place where
6033 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6034 * gcc.1: Generate from invoke.texi.
6036 2001-01-13 Richard Henderson <rth@redhat.com>
6038 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6039 (struct page_entry): Add group member.
6040 (struct page_group): New.
6041 (struct globals): Add page_groups member.
6042 (alloc_anon): Only define for using mmap; remove valloc call.
6043 (page_group_index): New.
6044 (set_page_group_in_use): New.
6045 (clear_page_group_in_use): New.
6046 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6047 (free_page, release_pages): Likewise.
6048 * configure.in (with-gc): Default to ggc-page always.
6050 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6052 * reload1.c (replace_pseudos_in_call_usage): Use
6053 reg_equiv_constant and reg_equiv_address, and don't try
6054 regno_reg_rtx first.
6056 2001-01-13 Richard Henderson <rth@redhat.com>
6058 * ggc-page.c (alloc_page): Round up allocation size to one page.
6059 Set e->order on extra pages.
6061 2001-01-13 Richard Henderson <rth@redhat.com>
6063 * genrecog.c (nodes_identical): Expand commentary.
6064 (write_switch): Watch out for identical nodes.
6066 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6068 * cppfiles.c (_cpp_fake_include): New function.
6069 * cpphash.h (_cpp_fake_include): New.
6070 * cpplib.c (do_line): Call _cpp_fake_include when entering
6071 header files in preprocessed input.
6072 * cppmain.c (cb_pragma_implementation): Remove handling.
6073 (setup_callbacks): Don't register pragmas.
6075 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6077 * extend.texi: Udate for CPP.
6079 2001-01-13 Andreas Jaeger <aj@suse.de>
6081 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6083 * regmove.c: Add prototype for replace_in_call_usage.
6085 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6087 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6088 struct cpp_chunk, struct htab, struct toklist,
6089 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6090 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6091 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6092 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6093 (struct macro_args): Delete.
6094 * cpphash.h: See above.
6096 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6098 * cppmain.c (struct printer): Remove no_line_dirs.
6100 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6101 : Use options rather than CPP_OPTION.
6102 (setup_callbacks): Use cb rather than pfile->cb.
6103 (main): No need to check for a buffer. Use cpp_errors.
6104 (printer_init): Don't set no_line_dirs.
6105 (maybe_print_line): Use options not no_line_dirs.
6106 (cb_file_change): Don't call print_line if -P.
6108 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6110 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6112 * c-parse.in (finish_parse): Use cpp_errors.
6113 (__yylex): Use return value of cpp_pop_buffer.
6114 * cp/lex.c (finish_parse): Use cpp_errors.
6115 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6117 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6119 * README.AVR: URLs corrected.
6121 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6123 * c-decl.c (start_function): Don't warn if old prototype is builtin
6124 that's not in C's namespace.
6125 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6126 (_bb): Add prototype for ctime.
6127 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6129 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6131 * i386.c (ix86_fp_comparison_arithmetics_cost,
6132 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6133 ix86_fp_comparison_cost): New functions.
6134 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6135 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6136 two-branch sequences; make static.
6137 (ix86_use_fcomi_compare): Do decision according to the costs.
6138 (split_fp_branch): New.
6139 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6140 * i386-protos.h (ix86_expand_fp_compare): Remove
6141 (ix86_split_fp_branch): Declare.
6143 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6144 and ix86_comparison_operator.
6146 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6149 * i386.c (put_condition_code): Output properly the unordered/ordered
6150 compares in fp case.
6151 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6153 * tm.texi (REVERSE_CONDITION): Document.
6154 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6155 in -ffast-math mode.
6156 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6158 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6160 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6162 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6165 * config/sh/sh.c (mova_p): Fix test for mova_const.
6167 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6169 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6170 cpp_get_options rather than dereferencing pfile and using
6172 * scan-decls.c (scan_decls): Use return value of
6173 cpp_pop_buffer rather than CPP_BUFFER.
6175 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6177 * cppinit.c (cpp_handle_option): help_only is now part of the
6178 cpp_options structure.
6179 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6180 cpp_set_callbacks): New functions.
6181 * cpplib.h (cpp_callbacks): Break out as a named structure.
6182 (cpp_options): Move help_only here from cpp_reader.
6183 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6184 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6185 cpp_set_callbacks): New prototypes.
6186 * cppmain.c (main): Update for help_only.
6188 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6190 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6191 Also build and remove and install and uninstall c-tree.info and
6193 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6194 ($(srcdir)/cppinternals.info): New target.
6195 * c-tree.texi: Change file name used when makeinfo used without -o
6196 from ir.info to c-tree.info. Add info directory entry.
6197 * cppinternals.texi: Add info directory entry.
6198 * .cvsignore: Update.
6200 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6202 * c-typeck.c (store_init_value): Don't require constant initializer
6203 elements with -pedantic -std=c99.
6204 (digest_init): Change error about non-constant initializer elements
6206 (constructor_range_end): Remove.
6207 (constructor_incremental, designator_depth,
6208 designator_errorneous): New variables.
6209 (struct constructor_stack): Remove range_end, add incremental.
6210 (struct constructor_range_stack, constructor_range_stack): New.
6211 (struct initializer_stack): Add constructor_range_stack.
6212 (finish_init): Set it.
6213 (start_init): Likewise. require_constant_elements for non-static
6214 trees only if not flag_isoc99.
6215 (really_start_incremental_init): Remove constructor_range_end, add
6216 constructor_incremental.
6217 (pop_init_level): Likewise.
6218 (push_init_level): Likewise. If implicit and the subobject had some
6219 value set already, preinitialize the level with it.
6220 Warn about missing braces only if not pushing due to designators.
6221 (set_designator, push_range_stack): New functions.
6222 (set_init_label): Use them.
6223 (set_init_index): Likewise. Remove constructor_range_end.
6224 Error if designator index is outside of array bounds.
6225 (add_pending_init): Compare values of purpose index trees, not the
6226 trees themselves. Allow overwriting of already initialized element.
6227 Issue a warning if it had side-effects.
6228 (set_nonincremental_init, set_nonincremental_init_from_string): New
6230 (pending_init_member): Rename to...
6231 (find_init_member): ...this function. Call set_nonincremental_init
6232 if necessary. Compare values of purpose index trees, not the trees
6233 themselves. Return the actual value, not just non-zero if something
6235 (output_init_element): Remove checks for duplicates.
6236 If field has zero size, only check the initializer for correctness.
6237 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6238 if constructor_incremental is zero. Change error about initializers
6239 not computable at load time into pedwarn.
6240 (output_pending_init_elements): Compare bit positions, not
6241 FIELD_DECLs to take into account zero-sized fields.
6242 (process_init_element): Use constructor_range_stack to fill all
6243 ranges in the designator lists from current level up.
6244 * extend.texi: Update documentation for labeled elements.
6246 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6248 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6249 to function usage for arguments passed by reference. Optimize
6250 callee-copied arguments.
6251 * regmove.c (replace_in_call_usage): New function.
6252 (fixup_match_1): Call it.
6253 * cse.c (cse_insn): Canonicalize registers in function usage.
6254 * reload1.c (replace_pseudos_in_call_usage): New function.
6257 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6260 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6262 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6265 2001-01-12 DJ Delorie <dj@redhat.com>
6267 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6268 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6271 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6273 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6274 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6275 -std options alongside references to -ansi. Update some
6276 documentation for C99.
6277 * cpp.1: Regenerate.
6279 2001-01-12 Andreas Jaeger <aj@suse.de>
6281 * haifa-sched.c (restore_line_notes): Remove argument block B
6283 * sched-ebb.c (schedule_ebb): Change caller.
6284 * sched-rgn.c (schedule_region): Likewise.
6285 * sched-int.h (restore_line_notes): Adjust prototype.
6287 * loop.h: Remove wrong declaration of doloop_condition_get.
6289 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6291 * extend.texi: Move C++-extension-related node from the C section
6292 into the C++ section.
6294 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6296 * extend.texi: Refer to an array of pointers to functions instead
6297 of one of functions.
6299 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6300 Jan Hubicka <jh@suse.cz>
6302 * combine.c (reversed_comparison): Fix typo in last patch.
6304 (combine_reversed_comparison_code): Make static to follow
6305 prototype declaration.
6307 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6309 * install.texi: Remove misplaced duplicate entry.
6311 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6313 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6315 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6317 * final.c: (leaf_function_p): Fix typo.
6319 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6321 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6322 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6324 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6325 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6326 mmap_anon, and valloc is available.
6327 * ggc-page.c: Restructure ifdef logic to match new autoconf
6328 spec. Don't throw away the test page in init_ggc.
6330 * configure, config.in: Regenerate.
6332 2001-01-12 Michael Hayes <mhayes@redhat.com>
6334 * loop.h (total_biv_increment): Constify iv_class pointer.
6335 (struct induction): Replace `mem_mode' with `mem' rtx.
6336 * unroll.c (total_biv_increment): Constify iv_class pointer.
6337 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6338 (find_mem_givs, combine_givs_p): Likewise.
6339 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6341 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6343 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6345 (__gthread_getspecific): Ditto.
6347 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6349 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6350 put_condition_code): Convert fp comparison codes to integer
6352 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6355 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6356 * i386-protos.h (no_comparison_operator): Kill.
6358 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6360 * combine.c (REVERSIBLE_CC_MODE): Remove.
6361 (reversible_comparison_p): Remove.
6362 (combine_reversed_comparison_code): New.
6363 (reversed_comparison): New.
6364 (combine_simplify_rtx): Use
6365 combine_reversed_comparison_code/reversed_comparison instead
6366 of reversible_comparison_p.
6367 (simplify_if_then_else): Likewise.
6368 (simplify_set): Likewise.
6369 (simplify_logical): Likewise.
6370 (if_then_else_cond): Likewise.
6371 (known_cond): Likewise.
6372 (simplify_comparison): Likewise.
6374 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6376 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6377 sizeof (int) is larger than sizeof(__word__).
6379 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6381 * cppinit.c (do_includes): Fix typo.
6383 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6385 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6386 in S_REGS does not occur because not all sources are possible
6387 when a S_REGS is a destination (sometimes needs a clobber).
6388 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6389 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6390 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6391 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6392 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6393 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6394 (lshrdi_const1, lshrsi3_const16): Likewise.
6395 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6396 (*movhi_68hc12, *movqi_68hc12): Likewise.
6397 (movstrictqi): Make sure reloading in D_REGS as a destination
6400 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6402 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6404 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6406 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6407 -D, -U and -A, and don't initialize the builtins.
6408 (do_includes): Error if -include or -imacros with -fpreprocessed.
6409 * cppmain.c (cb_define, cb_undef): Unconditionally process
6411 * tradcpp.c (main): Fix typo.
6413 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6415 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6416 (read_name_map): Use IS_ABSOLUTE_PATH.
6417 * tradcpp.c (get_filename): Likewise.
6419 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6421 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6422 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6423 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6424 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6425 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6426 (cmphi_z_used): Don't use '@' for the output.
6427 (tstqi_z_used): Likewise.
6428 (cmpqi_z_used): Likewise.
6429 (one_cmplsi2): Likewise.
6431 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6433 * config/sh/sh.c (barrier_align): Recognize branch around far
6434 branch and redundant insn.
6436 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6438 * invoke.texi: Restore documentation of the drivers' switches -MD
6441 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6443 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6445 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6446 check-objc//%): Support parallel testing of multilibs.
6447 (TESTSUITEDIR): Set to testsuite by default, but override for
6449 (check-gcc, check-g++, check-g77, check-objc): Enter
6452 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6454 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6455 * sched-deps.c (deps_may_trap_p): Likewise.
6456 * basic-block.h: Remove a comment.
6457 * flow.c (PROP_POSTRELOAD): Remove.
6458 (update_life_info): Don't add it to prop_flags.
6459 (mark_set_1): Lose the code that was enabled by it.
6461 2001-01-11 Michael Hayes <mhayes@redhat.com>
6463 * flow.c (flow_call_edges_add): New.
6464 * basic_block.h (flow_call_edges_add): New.
6466 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6468 * reload1.c (move2add_note_store): Update reg_set_luid even if
6469 base reg remains the same.
6471 2001-01-10 Nick Clifton <nickc@redhat.com>
6473 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6474 machine_function structure to zero.
6475 Add prototypes for machine_status functions.
6477 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6479 * c-common.h (CTI_VOID_LIST): Remove.
6480 (void_list_node): Likewise.
6481 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6482 (void_list_node): New macro.
6483 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6484 * config/i386/i386.c (ix86_init_builtins): Likewise.
6485 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6487 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6489 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6490 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6492 * tradcpp.c: Include mkdeps.h.
6493 (deps, print_deps_phony_targets, deps_append, output_deps,
6494 init_dependency_output, output_deps): New.
6495 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6496 deps_output): Delete.
6497 (print_deps_missing_files): Rename deps_missing_files.
6498 (inhibit_output): Make global.
6499 (main): Delete inhibit_output, deps_stream, deps_target.
6500 Use mkdeps functionality in the same way as cpplib. Remove
6501 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6502 -M and -MM. Remove old handling of deps via deps_out, and
6503 old reading of environment variables.
6504 (get_filename): Update to use deps_add_dep.
6506 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6508 * output.h (make_function_rtl): Remove prototype.
6509 (make_decl_rtl): Likewise.
6510 * varasm.c (make_function_rtl): Remove.
6511 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6512 than from a third parameter.
6513 * tree.h (make_decl_rtl): Remove last parameter.
6514 * c-decl.c (builtin_function): Remove last argument in call to
6515 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6516 (start_function): Likewise.
6517 * except.c (call_get_eh_context): Likewise.
6518 * expr.c (emit_block_move): Likewise.
6519 (clear_storage): Likewise.
6520 * profile.c (output_func_start_profiler): Likewise.
6521 * toplev.c (rest_of_decl_compilation): Likewise.
6522 * objc/objc-act.c (create_builtin_decl): Likewise.
6523 (synth_module_prologue): Likewise.
6524 (generate_static_reference): Likewise.
6525 (build_selector_reference_decl): Likewise.
6526 (build_class_reference_decl): Likewise.
6527 (build_objc_string_decl): Likewise.
6528 (build_protocol_reference): Likewise.
6530 2001-01-10 Richard Henderson <rth@redhat.com>
6532 * hwint.h: Revert yesterday's change.
6534 2001-01-10 Nick Clifton <nickc@redhat.com>
6536 * function.h (save_machine_status): Delete.
6537 (restore_machine_status): Delete.
6538 Amend comment describing {init|mark|free}_machine_status.
6540 * function.c (save_machine_status): Delete.
6541 (restore_machine_status): Delete.
6542 Amend comment describing {init|mark|free}_machine_status.
6543 (push_function_context_to): Remove invocation of
6544 save_machine_status.
6545 (pop_function_context_from): Remove invocation of
6546 restore_machine_status.
6548 * emit-rtl.c (init_emit_once): Amend comment describing
6549 {init|mark|free}_machine_status.
6551 * tm.texi (Per-Function Data): New node. Describe the
6552 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6555 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6557 * cppinit.c (OPT_g): Remove.
6558 (cpp_handle_option): Update for removed -g3.
6559 (print_help): Update.
6560 * cpplib.h (struct cpp_options): Remove debug_output.
6561 * cppmain.c (setup_callbacks, cb_define): Update.
6562 * gcc.c (cpp_options): Translate -g3 to -dD.
6564 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6566 * config/i960/i960.md: Change modifier to + on the zero_extract
6567 pattern after the (rotate -2 reg) canonicalization pattern.
6569 2001-01-10 Richard Henderson <rth@redhat.com>
6571 * config/alpha/alpha.c (alpha_free_machine_status): New.
6572 (override_options): Install it.
6573 (alpha_mark_machine_status): Verify machine non-null.
6574 * config/i386/i386.c (ix86_free_machine_status): New.
6575 (override_options): Install it.
6576 (ix86_init_machine_status): Use xcalloc.
6577 (ix86_mark_machine_status): Verify machine non-null.
6578 * config/ia64/ia64.c (ia64_free_machine_status): New.
6579 (ia64_override_options): Install it.
6580 (ia64_mark_machine_status): Verify machine non-null.
6582 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6584 * function.c (instantiate_virtual_regs): Instantiate virtual
6585 registers found in CALL_INSN_FUNCTION_USAGE.
6587 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6589 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6590 equivalent to -ansi in disabling -Di386.
6592 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6594 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6596 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6598 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6600 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6602 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6604 * invoke.texi: Document that -fcond-mismatch isn't supported for
6607 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6609 * gcc.texi: Define macro gcctabopt.
6610 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6611 @command, @env and @option in some places where appropriate. Use
6612 @gcctabopt where appropriate. Put URLs and email addresses inside
6615 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6617 * gcc.c (cpp_options): Set MD file name from output
6618 filename, if specified.
6619 (suffix_subst): New static variable.
6620 (do_spec): Clear it.
6621 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6623 (give_switch): Handle suffix_subst.
6625 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6627 * invoke.texi: Fix another typo.
6629 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6631 * invoke.texi: Fix typo.
6633 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6635 * c-lang.c (lang_hooks): Update.
6636 (lang_decode_option): Remove.
6637 (lang_init_options): Rename c_init_options.
6638 * toplev.c (main): Use lang_hooks for lang_init_options
6639 and lang_decode_option.
6640 * toplev.h (lang_hooks): Add 2 new hooks.
6641 * tree.h: Remove lang_init_options and lang_decode_option.
6642 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6643 * cp/decl2.c: Similarly.
6644 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6645 (lang_hooks): Update.
6646 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6648 (lang_init_options): Rename ffe_init_options.
6649 (lang_hooks): Update.
6650 (lang_decode_option): Remove.
6651 * java/lang.c (lang_init_options): Rename java_init_options.
6652 (lang_decode_option): Rename java_decode_option.
6653 (lang_hooks): Update.
6654 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6655 (lang_decode_option): Rename objc_decode_option.
6656 (lang_hooks): Update.
6658 2001-01-09 Nick Clifton <nickc@redhat.com>
6660 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6661 (d30v_return_addr_rtx): Delete.
6662 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6663 cfun->machine structure.
6664 (struct machine_function): Move to d30v.h
6665 (d30v_save_machine_status): Delete.
6666 (d30v_restore_machine_status): Delete.
6667 (d30v_init_machine_status): New Function.
6668 (d30v_mark_machine_status): New Function.
6669 (d30v_free_machine_status): New Function.
6670 (d30v_init_expanders): Use new functions.
6671 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6672 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6673 d30v_return_addr_rtx.
6675 * config/d30v/d30v.h (struct_machine): Move here.
6676 Add eh_epilogue_sp_ofs field.
6678 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6679 field in cfun->machine structure.
6681 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6683 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6684 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6685 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6687 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6689 * objc/lang-options.h: Remove bogus reference to
6692 2001-01-09 Kazu Hirata <kazu@hxi.com>
6694 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6697 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6699 * reload.c (find_reloads_address): Check for eliminable registers
6700 when substituting a constant expression for a pseudo.
6702 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6704 * c-common.c (enum format_type): Add format_type_error.
6705 (decode_format_type): New function.
6706 (decl_attributes): Use it.
6707 (format_kind_info): Adjust comment.
6709 2001-01-09 David O'Brien <obrien@BSDi.com>
6711 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6712 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6714 * config/i386/gnu.h: Don't include required platform specific .h files,
6715 tm.h will do it instead.
6716 * config/i386/i386elf.h: Likewise.
6717 * config/i386/linux.h: Likewise.
6718 * config/i386/moss.h: Likewise.
6719 * config/mips/gnu.h: Likewise.
6721 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6723 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6724 (rs6000-ibm-aix3.[01]*): Likewise.
6725 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6726 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6727 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6728 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6729 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6730 (powerpc-*-eabiaix*): Likewise.
6731 (powerpc-*-eabisim*): Likewise.
6732 (powerpc-*-elf*): Likewise.
6733 (powerpc-*-eabi*): Likewise.
6734 (powerpc-*-rtems*): Likewise.
6735 (powerpc-*-linux*libc1): Likewise.
6736 (powerpc-*-linux*): Likewise.
6737 (powerpc-wrs-vxworks*): Likewise.
6738 (powerpcle-wrs-vxworks*): Likewise.
6739 (powerpcle-*-sysv*): Likewise.
6740 (powerpcle-*-elf*): Likewise.
6741 (powerpcle-*-eabisim*): Likewise.
6742 (powerpcle-*-eabi*): Likewise.
6743 (powerpcle-*-solaris2*): Likewise.
6744 * config/rs6000/aix31.h: Delete includes.
6745 * config/rs6000/aix3newas.h: Likewise.
6746 * config/rs6000/aix41.h: Likewise.
6747 * config/rs6000/aix43.h: Likewise.
6748 * config/rs6000/beos.h: Likewise.
6749 * config/rs6000/rtems.h: Likewise.
6750 * config/rs6000/sysv4.h: Likewise.
6752 2001-01-09 Kazu Hirata <kazu@hxi.com>
6754 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6755 Change an argument mode of machine_mode to shift_mode of
6756 shift_mode. Remove an extra error check.
6757 (emit_a_shift): Adopt to the new calling prototype of
6759 (function_prologue): Fix code for a monitor
6760 function. Support H8/S.
6761 (function_epilogue): Do not output pop for a monitor function.
6763 2001-01-09 Nick Clifton <nickc@redhat.com>
6765 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6766 (setup_incoming_varargs): Use sysv_varargs_p field of the
6767 cfun->machine structure.
6768 (struct machine_function): Move to rs6000.h
6769 (rs6000_save_machine_status): Delete.
6770 (rs6000_restore_machine_status): Delete.
6771 (rs6000_init_machine_status): New Function.
6772 (rs6000_free_machine_status): New Function.
6773 (rs6000_init_expanders): Use new functions.
6775 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6777 (struct machine_function): Move here.
6779 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6780 sysv_varargs_p field of the cfun->machine structure.
6782 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6784 (rs6000_restore_machine_status): Remove prototype.
6786 2001-01-09 Richard Henderson <rth@redhat.com>
6788 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6789 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6790 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6791 (sched_analyze_2, sched_analyze_insn): Likewise.
6792 (sched_analyze, init_deps): Likewise.
6793 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6794 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6795 (compute_block_backward_dependences): Update propagate_deps call.
6797 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6799 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6801 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6803 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6804 (cpp_handle_option): Handle them.
6805 (cpp_post_options): Ensure one of -M or -MM is specified with
6806 any other -M? option.
6807 (init_dependency_output): Suppress output with -MG.
6809 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6812 * invoke.texi: Update.
6814 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6816 * sh.md (reload_outsf): Generate recognizable patterns for
6819 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6821 * c-lang.c (lang_hooks): Update.
6822 (lang_init): Rename c_init.
6823 (lang_finish): Remove.
6824 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6826 * toplev.h (lang_hooks): Add init () and finish ().
6827 * tree.h (lang_init, lang_finish): Remove.
6828 * cp/tree.h (lang_init, lang_finish): Remove.
6829 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6830 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6832 (lang_init, lang_finish): Remove.
6833 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6834 (lang_hooks): Update.
6835 * java/lang.c (lang_init): Rename java_init.
6836 (lang_finish): Remove.
6837 (lang_hooks): Update.
6838 * objc/objc-act.c (lang_init): Rename objc_init.
6839 (lang_finish): Remove.
6840 (lang_hoooks): Update.
6842 20001-01-09 Graham Stott <grahams@redhat.com>
6844 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6845 after `ptr` is initialised.
6847 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6849 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6850 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6851 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6852 stack adjusts, instead of r3.
6854 2001-01-09 Michael Hayes <mhayes@redhat.com>
6856 * flow.c (flow_loop_scan): Break out of ...
6857 (flow_loops_find) ... here.
6858 * basic-block.h (flow_loop_scan): New.
6859 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6860 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6862 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6864 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6866 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6867 realloc()ing macro_buffer.
6869 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6870 if it's wider than long and the target's long is wider than the
6873 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6875 Remove support for using UWIN as a host machine.
6876 * configure.in: Issue an error message.
6877 * configure: Regenerated.
6878 * config.gcc: Remove xm_* UWIN configury.
6879 * config/i386/xm-uwin.h: Remove.
6881 2001-01-08 Nick Clifton <nickc@redhat.com>
6883 * config/v850/v850.c (ra_rtx): Delete.
6884 (v850_save_machine_status): Delete.
6885 (v850_restore_machine_status): Delete.
6886 (v850_init_machine_status): New function.
6887 (v850_mark_machine_status): New function.
6888 (v850_free_machine_status): New function.
6889 (v850_return_addr): Use ra_rtx field in machine structure.
6890 (v850_init_expanders): Use new functions.
6892 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6893 * config/v850/v850.c: Change arguments to v850_output+* functions
6894 to take a const char *, to avoid compile time warning.
6895 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6896 (USER_LABEL_PREFIX): Redefine.
6898 2000-01-08 Jim Wilson <wilson@redhat.com>
6900 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6901 1 to unsigned HOST_WIDE_INT before left shift.
6903 2001-01-08 Nick Clifton <nickc@redhat.com>
6905 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6906 the machine structure has been allocated.
6907 (arm_free_machine_status): New function: Free the machine
6908 specific function structure.
6910 2001-01-08 Richard Henderson <rth@redhat.com>
6912 * jump.c (simplejump_p): Revert last change.
6914 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6916 * cppinit.c (init): Rename init_library.
6917 (cpp_create_reader): Update.
6918 * gcc.c (cpp_options): If -o given, use it as the target of
6921 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6923 * arm.c (arm_arch5e): New variable.
6924 (all_cores): XScale is a 5TE device.
6925 (arm_override_options): Set arm_arch5e.
6926 (arm_init_builtins): __builtin_prefetch is in arch5e.
6927 * arm.h (arm_arch5e): Declare it.
6929 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6931 * arm.md (define_constants): Add defines for UNSPEC and
6932 UNSPEC_VOLATILE insns. Update all users.
6933 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6934 * arm.c (multi_register_push, note_invalid_constants)
6935 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6936 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6937 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6939 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6941 * jump.c (jump_optimize_1): Use reversed_comparison_code
6942 instead of can_reverse_comparison_p.
6943 (jump_back_p): Likewise.
6944 (invert_exp_1): Likewise.
6945 (thread_jumps): Likewise.
6946 * simplify-rtx.c (simplify_unary_operation): Likewise.
6947 (simplify_ternary_operation): Likewise.
6948 * cse.c (find_comparison_args): Convert to use
6949 can_reverse_comparison_p.
6950 (record_jump_equiv): Likewise.
6952 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6954 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6955 (EPILOGUE_USES): Define.
6956 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6957 automatically stack the LR if it isn't live.
6959 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6961 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6964 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6966 * ggc-page.c (max_alignment): New structure.
6967 (MAX_ALIGNMENT): New macro.
6968 (init_ggc): Use it to round up the sizes in the
6969 extra_order_size_table.
6971 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6973 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6976 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6978 * builtins.def (BUILT_IN_FPRINTF): New entry.
6980 * c-common.c (c_expand_builtin_fprintf): New function.
6981 (init_function_format_info): Handle __builtin_fprintf.
6982 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6983 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6985 * c-decl.c (duplicate_decls): Adjust comment.
6987 * extend.texi (fprintf): Document new builtin.
6989 2001-01-07 Richard Henderson <rth@redhat.com>
6991 * jump.c (simplejump_p): Recognize any single_set jump
6994 2001-01-07 Richard Henderson <rth@redhat.com>
6996 * configure.in (slibdir): Accept an --with-slibdir option.
6997 Use "test" not "[" in configure. Default to $(libdir).
6999 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7001 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7002 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7003 (SHLIB_LINK): Create links for the soname.
7004 * config/mips/t-iris6: Likewise.
7005 * config/sparc/t-slibgcc: Likewise.
7006 * config/sparc/t-slibgcc-sld: Likewise.
7008 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7010 * config/i386/i386.c (constant_call_address_operand): Accept
7011 (const (plus (symbol_ref) (const_int))).
7012 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7013 constant_call_address_operand.
7015 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7017 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7018 and LONG_LONG_TYPE_SIZE > 32.
7020 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7022 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7023 the previous change.
7025 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7027 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7029 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7030 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7031 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7034 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7036 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7038 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7040 * c-lang.c (c_post_options): Call cpp_post_options.
7041 * objc/objc-act.c (objc_post_options): Similarly.
7042 * cppmain.c (main): Similarly.
7043 * fix-header.c (read_scan_file): Similarly.
7044 * cppinit.c (cpp_start_read): Move option consistency checks
7045 to cpp_post_options. Don't call init_dependency_output.
7046 If needed, add default target and main file dependency.
7047 (OPT_MD, OPT_MMD): Remove.
7049 (cpp_handle_option): Update for OPT_* changes.
7050 (cpp_post_options): New.
7051 (init_dependency_output): Command line -MF overrides environment
7052 variables. Don't set default target etc. Suppress output
7053 if dependencies are going to stdout.
7054 (print_help): Update.
7055 * cpplib.h (cpp_post_options): New.
7056 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7058 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7060 * jump.c (comparison_dominates_p): Support unordered compares.
7062 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7064 * simplify-rtx.c (simplify_relational_operation): Always simplify
7065 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7068 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7070 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7071 (nonzero_bits): Likewise.
7072 (simplify_comparison): Likewise.
7073 (num_sign_bit_copies): Likewise; return more sane value depending
7074 on STORE_FLAG_VALUE.
7075 (known_cond): Do not assume EQ to be always true for equivalent
7078 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7080 * cse.c (fold_rtx): Handle unordered comparisons.
7082 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7084 * rtlanal.c (set_of_1): New static function.
7085 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7086 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7087 reg_set_last_last_regno): Remove.
7088 (set_of): New global function.
7089 (set_of_data): New structure.
7090 (reg_set_p, reg_set_last): Revamp for set_of.
7091 * rtl.h (set_of): New.
7093 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7095 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7096 * extend.texi: Document _Exit builtin.
7098 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7100 * (initialize, initialize_builtins,
7101 initialize_dependency_output, initialize_standard_includes):
7102 Rename s/initialize/init. Update.
7103 (init_dependency_output): Move to after
7104 cpp_handle_options, the correct location temporally at least.
7105 (opt_comp): Move next to init (), its caller. Fix prototype.
7106 (init): Make "initialized" local scope.
7107 (cpp_create_reader): Always call init ().
7108 (cpp_start_read): Update.
7109 (output_deps): New function, broken out of cpp_finish.
7110 (cpp_finish): Break out output_deps.
7112 2001-01-07 Richard Henderson <rth@redhat.com>
7114 * collect2.c (COFF specific stuff): Revert 12-06 patch
7115 to prototype system functions.
7117 2001-01-07 Michael Hayes <mhayes@redhat.com>
7119 * hard-reg-set.h: Add multiple include guard.
7120 * basic-block.h (struct loop): Add `sink' field.
7121 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7122 (emit_iv_add_mult): Delete.
7123 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7124 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7125 (unroll_loop): Remove end_insert_before argument.
7126 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7127 (maybe_eliminate_biv_1): Likewise.
7128 (emit_iv_add_mult): Delete.
7129 (gen_add_mult, loop_regs_update): New.
7130 (loop_insn_emit_after, loop_insn_emit_before): New.
7131 (loop_insn_sink, loop_insn_sink_or_swim): New.
7132 (emit_iv_add_mult): Delete.
7133 (scan_loop): Set loop->sink.
7134 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7135 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7136 (maybe_eliminate_biv_1): Likewise.
7137 (maybe_eliminate_biv_1): Add basic block argument.
7138 * unroll.c (unroll_loop): Remove end_insert_before argument.
7139 (find_splittable_regs): Likewise.
7140 (find_splittable_regs): Use loop_insn_sink and its ilk.
7141 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7143 2001-01-07 Michael Hayes <mhayes@redhat.com>
7145 * loop.h (loop_insn_hoist): New prototype.
7146 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7147 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7148 (check_dbra_loop, load_mems): Likewise.
7149 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7150 (find_splittable_givs): Likewise.
7152 2001-01-07 Michael Hayes <mhayes@redhat.com>
7154 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7156 2001-01-07 Richard Henderson <rth@redhat.com>
7158 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7160 2001-01-07 Richard Henderson <rth@redhat.com>
7162 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7163 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7164 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7165 variant that handles a shared libgcc.
7166 (process_command): Always validate -{static,shared}-libgcc.
7167 (do_spec_1): New 'M' case.
7168 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7170 2001-01-07 Richard Henderson <rth@redhat.com>
7172 * Makefile.in (slibdir): New variable.
7173 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7174 (installdirs): Create slibdir.
7175 (install-libgcc, install-multilib): Defer to libgcc.mk.
7176 * configure.in (slibdir): Substitute.
7177 * mklibgcc.in (install): New target.
7179 * config/t-linux (SHLIB_LINK): Create links for the soname.
7180 (SHLIB_INSTALL): New.
7181 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7182 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7183 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7184 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7185 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7187 2001-01-07 Richard Henderson <rth@redhat.com>
7189 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7190 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7191 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7193 2001-01-07 Michael Hayes <mhayes@redhat.com>
7195 * loop.c (count_loop_regs_set): Delete.
7196 (load_mems_and_recount_loop_regs_set): Delete.
7197 (loop_regs_scan): Merge common code from count_loop_regs_set,
7198 scan_loop, and load_mems_and_recount_loop_regs_set.
7199 (scan_loop): Call load_mems directly and loop_regs_scan
7200 again if new registers created.
7202 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7204 * toplev.c (main): Call the front-end specific post_options
7205 hook if one is given.
7206 * toplev.h (struct_lang_hooks, lang_hooks): New.
7207 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7208 for the C front end.
7209 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7210 lang_hooks for the C++ front end.
7211 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7212 lang_hooks for the ObjC front end.
7213 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7214 * java/lang.c (lang_hooks): Hooks for the Java front end.
7216 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7218 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7219 for verbose DWARF[2] debugging.
7220 (cb_define, cb_undef): The new callbacks.
7221 * toplev.h (debug_define, debug_undef): Make const correct.
7222 * toplev.c (debug_define, debug_undef): Similarly. Do not
7223 perform the verbosity tests here anymore.
7225 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7227 * reload.c (subst_reloads): Take INSN argument. When
7228 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7229 * reload.h (subst_reloads): Adjust prototype.
7230 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7231 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7232 present in JUMP_INSNs and copy them to JUMP_LABEL.
7233 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7234 JUMP_INSNs and insns with REG_LABELs that are followed by
7235 JUMP_INSNs with the same REG_LABEL.
7236 * sched-rgn.c (is_cfg_nonregular): Likewise.
7237 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7239 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7241 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7243 2001-01-06 Richard Henderson <rth@redhat.com>
7245 * loop.c (scan_loop): Use xcalloc for the regs array.
7246 (load_mems_and_recount_loop_regs_set): Zero the new memory
7247 received from xrealloc.
7249 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7251 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7253 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7255 * integrate.c (copy_rtx_and_substitute): When copying
7256 an ignored return value, strip REG_FUNCTION_VALUE_P.
7258 2001-01-06 Michael Hayes <mhayes@redhat.com>
7260 * loop.c (debug_biv, debug_giv): New.
7261 (loop_biv_dump): Break out from ...
7262 (record_biv): ... here.
7263 (loop_giv_dump): Break out from ...
7264 (record_giv): ... here.
7265 (loop_bivs_check): Use print_simple_rtl.
7266 * unroll.c (loop_iterations): Use print_simple_rtl.
7268 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7270 * pa.md (return, return_internal): Modify patterns to prevent regrename
7271 mucking with the return pointer.
7273 2001-01-05 Richard Henderson <rth@redhat.com>
7275 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7277 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7279 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7280 version supplied by Matteo Frigo.
7282 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7284 * cpp.texi: Update for -MQ.
7285 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7286 (cpp_cleanup): Always free pfile->deps.
7287 (initialize_dependency_output): Don't create pfile->deps.
7288 (cpp_handle_option): Similarly.
7290 * gcc.c (cpp_options): Handle -MQ.
7291 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7292 * mkdeps.c (base_name): Remove.
7293 (deps_init): Don't allocate vector space until it's needed.
7294 (deps_free): Only free vectors if allocated.
7295 (deps_add_target, deps_add_dep): Update for initial allocation.
7296 (deps_add_default_target): Don't strip to the base_name.
7298 2001-01-05 DJ Delorie <dj@redhat.com>
7300 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7301 (INIT_EXPANDERS): Define.
7303 * config/v850/v850.c (struct machine_function): Define.
7304 (v850_save_machine_status): New function.
7305 (v850_restore_machine_status): New function.
7306 (v850_return_addr): New function.
7307 (v850_init_expanders): New function.
7309 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7310 and v850_init_expanders.
7312 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7314 * cpplib.h (struct cpp_reader): Add help_only field.
7315 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7316 (cpp_handle_option): Set pfile->help_only if we see -h,
7317 --help, -target-help, or --version. Print version string but
7318 do not set help_only if we see -v or -version. Make text
7319 printed by -v match that printed by (-)-version.
7321 * cppmain.c (main): Exit after option parsing if
7322 pfile->help_only is true.
7324 * toplev.c (independent_decode_option): Call print_version,
7325 then exit, if we see --version (but not -version).
7326 (print_version): Split lengthy message into two lines.
7328 2001-01-05 Nick Clifton <nickc@redhat.com>
7330 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7331 temporary string for initialisation before calling ggc_alloc_string.
7333 2001-01-06 Michael Hayes <mhayes@redhat.com>
7335 * rtl.h (print_simple_rtl): New.
7336 * print-rtl.c (print_simple_rtl): New.
7338 (print_rtx): Disable printing of flags and modes, etc.,
7339 if `flag_simple` nonzero.
7341 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7343 * function.c (fixup_var_refs): Use push_to_full_sequence where
7346 2001-01-05 Michael Meissner <meissner@redhat.com>
7348 * flags.h (flag_reorder_blocks): Add declaration.
7349 (flag_rename_block): Ditto.
7351 2001-01-05 DJ Delorie <dj@redhat.com>
7353 * function.c (reorder_blocks): Make sure the flags are all reset
7354 before using them to mark blocks, else a second invocation will
7355 corrupt the block chain.
7356 (reorder_blocks_0): New, resets the flags.
7358 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7360 * cse.c (find_comparison_args): Stop if the argument is known to
7363 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7365 * config/sh/sh.md (movdf): When splitting load into pair of
7366 registers, don't clobber the register used in the address too
7369 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7371 * varasm.c (mark_constant_pool): Improve initial comments.
7372 (mark_constants): Move marking of constants to mark_constant.
7373 (mark_constant): New function to recursively mark all constants
7374 referred to by a constant.
7376 2001-01-05 Catherine Moore <clm@redhat.com>
7378 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7380 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7382 * cp/lang-options.h: Bring comment in line with reality.
7383 * f/lang-options.h: Likewise.
7384 * java/lang-options.h: Likewise.
7385 * objc/lang-options.h: Likewise.
7386 * ch/lang-options.h: Likewise.
7387 * f/g77.texi: And update the manual.
7389 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7390 Denis Chertykov <denisc@overta.ru>
7392 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7393 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7394 * config/avr/avr.md (all peepholes that request a scratch register):
7395 Call it, FAIL the peephole if not safe (in interrupt functions).
7397 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7399 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7401 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7403 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7405 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7406 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7407 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7408 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7409 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7411 * extend.texi: Document these builtins.
7413 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7415 * c-common.c (lang_get_alias_set): Say we know nothing of
7416 VECTOR_TYPE aliasing.
7418 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7420 2001-01-05 Bruce Korb <bkorb@gnu.org>
7422 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7423 their x* equivalent versions for atexit-less systems
7424 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7425 systems (or any other system any more).
7427 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7429 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7430 output operands. Use arm_hard_register_operand for operand 4.
7431 (stmsi_postinc): Similarly.
7432 (ldmsi): Use arm_hard_register_operand for opernand 2.
7434 * arm.c (arm_hard_register_operand): New function.
7435 * arm-protos.h (arm_hard_register_operand): Prototype it.
7437 * arm.h (HARD_REGNO_RENAME_OK): Define.
7439 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7441 * simplify-rtx.c (cfc_args): add "unordered" field.
7442 (check_fold_consts): Set unordered field.
7443 (simplify_relational_operation): Simplify the unordered
7446 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7449 * emit-rtl.c (try_split): Fix code to mark labels.
7450 * jump.c (mark_jump_label): Make global.
7451 * rtl.h (mark_jump_label): Declare.
7453 * predict.c (estimate_probability): Handle unordred comparisons.
7455 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7457 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7458 * cppinit.c (initialize_dependency_output): Update.
7459 (cpp_finish): Output dummy targets for -MP.
7461 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7462 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7463 * gcc.c (cpp_options): Update to handle -MP.
7464 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7465 to quote only the default target.
7466 (deps_phony_targets): Insert a preceding newline. Rename from
7467 deps_dummy_targets for consistency.
7470 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7472 * calls.c (emit_library_call_value_1): Support
7473 INIT_CUMULATIVE_LIBCALL_ARGS.
7474 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7476 2001-01-04 Richard Henderson <rth@redhat.com>
7478 * c-decl.c (finish_struct): Detect flexible array members
7479 used in an inappropriate context.
7480 * c-typeck.c (really_start_incremental_init): Special case
7481 constructor_max_index for zero length arrays.
7482 (pop_init_level): Allow initialization of flexible array
7483 members. Deprecate initialization of zero length arrays.
7484 Don't issue missing initializer warning for flexible array
7485 members or zero length arrays.
7486 (process_init_element): Don't dereference null DECL_SIZE.
7487 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7488 Don't abort for empty constructors. Use size_binop
7489 (output_constructor): Add commentary regarding zero length
7490 array futures. Abort if we try to initialize an array of
7491 unspecified length with a non-empty constructor in the middle
7494 * extend.texi (Zero Length): Update and clarify documentation
7495 on static initialization.
7497 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7499 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7500 with more than 32767 words of local storage.
7502 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7504 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7505 for 'abs', 'labs', and 'fabs'.
7506 (c4x_expand_builtin): Likewise.
7507 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7509 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7511 * config/sh/sh.md (prget, prset): New insn types.
7512 (return delay slot): Dont' allow prset.
7513 (call, sfunc delay slot): Don't allow prget.
7514 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7515 for prset and prget.
7517 2001-01-05 Michael Hayes <mhayes@redhat.com>
7519 * loop.h (struct loop_reg): New.
7520 (struct loop_regs): Change to use array of `struct loop_reg'.
7521 * loop.c: Replace assortment of varrays with single regs array.
7522 (count_one_set): Delete may_not_move array argument
7523 and use regs array instead. All caller's changed.
7524 (count_loop_regs_set): Delete may_not_move and single_usage
7525 arguments and use regs array instead. All caller's changed.
7526 (find_single_use_in_loop): Replace usage array argument with pointer
7527 to regs structure. All caller's changed.
7528 (loop_optimize): Delete `moved_once' array.
7530 2001-01-05 Michael Hayes <mhayes@redhat.com>
7532 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7533 Use it instead of loop_info->has_call for scanning loop mems.
7534 (check_dbra_loop): Replace loop_info->has_call test with
7535 loop_info->has_nonconst_call.
7537 2000-01-04 Matthew Hiller <hiller@redhat.com>
7539 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7542 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7544 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7545 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7547 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7549 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7550 (flag_short_double, flag_short_wchar): Define.
7551 (c_common_nodes_and_builtins): Create many tree nodes shared
7552 between C and C++ here instead of in cp/decl.c and ...
7553 * c-decl.c (init_decl_processing): ... here.
7554 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7555 (flag_short_double, flag_short_wchar): Don't define.
7556 (record_builtin_type): New function.
7557 (build_void_list_node): New function.
7558 * c-common.h (flag_short_double, flag_short_wchar,
7559 record_builtin_type, build_void_list_node): Declare.
7561 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7563 * integrate.c (expand_inline_function): Don't put a virtual
7564 register into the reg map.
7566 * function.c (fixup_var_refs_1): If force_operand didn't put
7567 the address into the target, move it there.
7569 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7571 Special-case tree_decl/tree_list allocations.
7572 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7573 (OBJECT_SIZE): New macro.
7574 (NUM_EXTRA_ORDER): Likewise.
7575 (extra_order_size_table): New variable.
7576 (NUM_ORDERS): New macro.
7577 (objects_per_page_table): New variable.
7578 (object_size_table): New variable.
7579 (G.pages): Use NUM_ORDERS to bound the array.
7580 (G.page_tails): Likewise.
7581 (DIV_ROUND_UP): Remove.
7582 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7583 (alloc_page): Use OBJECT_SIZE.
7584 (size_lookup): Don't make it const.
7585 (ggc_alloc): Use OBJECT_SIZE.
7586 (ggc_set_mark): Likewise.
7587 (ggc_get_size): Likewise.
7588 (init_ggc): Set up the object_size_table, objects_per_page_table,
7589 and adjust size_lookup.
7590 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7591 (ggc_pop_context): Use NUM_ORDERS.
7592 (clear_marks): Likewise.
7593 (sweep_pages): Likewise.
7594 (poison_pages): Likewise.
7595 (ggc_print_statistics): Use OBJECT_SIZE.
7597 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7600 Only call array_size_for_constructor if last field and array type
7601 with no upper bound.
7603 2001-01-04 Philip Blundell <philb@gnu.org>
7605 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7606 from bit 31 downwards, if this requires no more insns.
7607 (count_insns_for_constant): New helper function for above.
7609 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7611 * gencodes.c (output_predicate_decls): Remove empty initializer.
7613 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7615 * tree.c (copy_node): Remove documentation about obstacks.
7616 (buidl1): Check that nobody tries to build 2-argument nodes this
7619 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7621 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7624 * gencodes.c (output_predicate_decls): Fill empty initializer
7627 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7629 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7630 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7632 (do_include): Handle missing headers like cpp0.
7633 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7634 paths with first include pathname. Don't strcat to uninitialized
7637 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7639 * regrename.c (regrename_optimize): Don't rename from frame pointer
7640 if frame_pointer_needed.
7641 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7642 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7643 (ia64_reorg): Use it instead of scheduling if ! optimize.
7644 (errata_emit_nops): Properly call asm_noperands.
7645 (ia64_sched_reorder): Finish cycle if we see an asm.
7646 (ia64_variable_issue): Clear scheduling state after asms.
7648 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7650 * cpp.texi: Update for -MT.
7651 * cppinit.c (initialize_dependency_output): Add a default
7652 target if none has been given already.
7653 (no_tgt, OPT_MT): New.
7654 (cpp_handle_option): Handle -MT. Update -M etc.
7655 * cpplib.h (struct cpp_options): Remove deps_target.
7656 * gcc.c (cpp_options): Handle -MT.
7657 * mkdeps.c (struct deps): Move from mkdeps.h.
7658 (deps_calc_target): Rename deps_add_default_target. Add a
7659 default target if none has been specified already.
7660 * mkdeps.h (struct deps): Move to mkdeps.c.
7661 (deps_calc_target): Rename deps_add_default_target.
7663 2000-01-03 Richard Henderson <rth@redhat.com>
7665 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7667 * c-typeck.c (push_init_level): Move checks for flexible array
7668 members and zero length arrays ...
7669 (pop_init_level): ... here. Silently discard empty initializations.
7671 * varasm.c (output_constructor): Update for sizeof change to
7674 * extend.texi (Zero Length): Clarify semantics.
7676 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7678 * configure.in (tm.h): Include isns-codes.h last.
7679 * configure: Rebuilt.
7681 2001-01-03 Richard Henderson <rth@redhat.com>
7683 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7684 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7686 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7688 * tradcpp.c (main): Make sure finclude() is called with a valid
7689 indepth value while handling -include.
7691 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7693 * gencodes.c (output_predicate_decls): New function.
7695 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7696 even if it is not the first time machmode.h is #included.
7697 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7698 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7699 * gcc.texi (Copyright): Added 2001.
7701 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7703 * c-common.c (c_common_lang_init): New function. Warn if format
7704 warning options which only have effects when used with -Wformat
7705 are used without -Wformat.
7706 * c-common.h (c_common_lang_init): Declare.
7707 * c-lang.c (lang_init): Call c_common_lang_init.
7708 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7710 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7712 * configure.in: Check for the mktemp command.
7713 * configure: Regenerate.
7714 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7715 $TEMP. Create temporary files with mktemp, if available at
7716 configure time; otherwise use set -C. Remove temporary files
7719 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7721 * configure.in: Require at least texinfo 4.0. Check for whether
7722 Pod::Man is sufficiently recent to regenerate GCC manpages.
7723 * configure: Regenerate.
7724 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7726 (GENERATED_MANPAGES): Define.
7727 (generated-manpages): New target. Depend on cpp.1 as well as
7729 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7730 configure to generated-manpages or empty) rather than on the
7731 manpages directly. Remove execute permission from installed
7732 gcov.1 as well as cpp.1.
7733 * cpp.1, gcov.1: Regenerate.
7735 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7737 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7738 tree_low_cst. Allow using cmpstrsi in more cases.
7740 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7742 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7745 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7747 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7748 * Makefile.in (HOST_CFLAGS): Mention build-make.
7750 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7752 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7755 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7757 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7760 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7763 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7764 reg_base_value and reg_known_value arrays.
7765 (init_alias_analysis): Add more cases to detect known values.
7766 * sched-deps.c (deps_may_trap_p): New function.
7767 (sched_analyze_2): Use it.
7769 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7771 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7772 don't discard an ASHIFTRT if we're shifting in a wider mode.
7774 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7776 * toplev.c (rest_of_compilation): Don't print basic block information
7777 when CFG isn't up to date.
7779 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7781 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7782 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7783 (UNALIGNED_SHORT_ASM_OP): Define.
7784 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7786 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7788 * fold-const.c (fold_convert): Fix typo.
7790 2001-01-02 Richard Henderson <rth@redhat.com>
7792 * c-common.h (ASM_INPUT_P): New.
7793 * c-parse.in (asm): Set it when needed.
7794 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7795 existance of an operand.
7797 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7799 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7800 (dwarf2out_frame_debug_expr): Likewise.
7801 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7803 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7805 * i386.c (ix86_split_to_parts): Return number of part required;
7807 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7809 (ix86_split_long_move): Use number of part returned
7810 by ix86_split_to_parts
7811 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7813 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7814 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7815 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7816 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7817 (ALIGN_MODE_128): Add TFmode.
7818 (IS_STACK_MODE): Likewise.
7819 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7820 (HARD_REGNO_OK): Support TFmodes.
7821 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7822 * i386.md (scheduler definitions): Use memory operand to determine
7823 fst/fld instructions; use mode attribute to determine real mode of
7825 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7826 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7828 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7830 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7832 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7834 * expr.c (store_constructor_field): Update ALIGN before calling
7837 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7839 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7842 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7844 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7847 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7849 * c-decl.c (start_function): Don't warn on third parameter to main.
7851 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7853 * tsystem.h: Define HAVE_DECL_GETOPT.
7855 2001-01-02 Philip Blundell <pb@futuretv.com>
7857 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7860 2001-01-02 Richard Henderson <rth@redhat.com>
7862 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7864 2001-01-02 Andreas Jaeger <aj@suse.de>
7866 * c-decl.c (c_decode_option): Remove support of
7869 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7870 (W_options): Add -Wmissing-noreturn here.
7872 * flow.c: Define lang_missing_noreturn_ok_p.
7873 (check_function_return_warnings): Use it.
7875 * c-common.h: Declare lang_missing_noreturn_ok_p.
7877 * c-lang.c (c_missing_noreturn_ok_p): New function.
7878 (lang_init): Set lang_missing_noreturn_ok_p.
7880 * invoke.texi (Warning Options): Document this.
7882 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7884 * extend.texi (C++ Extensions): New node for C++ attributes;
7885 describe init_priority and com_interface.
7886 * invoke.texi: Remove -finit-priority as it now has zero effect.
7887 * install.texi: Fix xref syntax.
7888 * md.texi: Likewise.
7890 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7892 * config.gcc (sparc64-wrs-vxworks*): New case.
7893 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7895 * config/sparc/sparc.c (sparc_override_options): Do support different
7896 pointer and architecture size.
7897 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7898 (POINTERS_EXTEND_UNSIGNED): Define.
7899 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7900 (FUNCTION_MODE): Define to be Pmode.
7901 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7903 * function.c (expand_function_end): Properly handle DECL_RESULT
7904 and copy when ptr_mode != Pmode.
7905 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7907 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7909 * c-common.c (c_common_nodes_and_builtins): Set prototype
7910 parameters for __builtin_fputs, __builtin_fputc and
7911 __builtin_fwrite. Don't declare plain fputc as a builtin.
7913 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7915 * loop.c (add_label_notes): Increment the label usage count when
7916 a note is added to an insn which refers to a CODE_LABEL.
7917 * gcse.c (add_label_notes): Likewise.
7919 2001-01-01 Andreas Jaeger <aj@suse.de>
7921 * loop.c (scan_loop): Use xmalloc to allocate movables.
7923 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7925 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7926 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7927 * reload1.c (REGISTER_MOVE_COST): Likewise.
7928 * regclass.c (REGISTER_MOVE_COST): Likewise.
7929 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7930 dimension. Adjust all users.
7931 (init_reg_sets_1): Iterate on all modes.
7932 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7933 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7934 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7935 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7936 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7937 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7938 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7939 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7940 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7941 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7942 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7943 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7944 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7945 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7946 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7947 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7948 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7949 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7950 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7951 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7952 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7953 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7954 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7955 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7956 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7957 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7958 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7960 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7962 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7963 arg VARIES_P. Call it with extra arg.
7964 (true_dependence): Likewise.
7965 * rtl.h (rtx_addr_can_trap_p): Declare.
7966 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7968 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7969 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7970 pic offset table register if it's zero. All callers changed.
7971 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7973 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7975 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7976 STRING_POOL_ADDRESS_P.
7978 * config/sparc/sparc.c (input_operand): Properly test for short op.
7980 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7981 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7982 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7983 * config/sparc/elf.h: No longer include sol2.h.
7984 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7985 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7987 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7989 2001-01-01 Michael Hayes <mhayes@redhat.com>
7991 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7992 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7993 (record_initial): Likewise.
7994 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7995 (remap_split_bivs): Likewise.
7997 2001-01-01 Michael Hayes <mhayes@redhat.com>
7999 * loop.c (loop_ivs_free): New function.
8000 (strength_reduce): Break out from...
8002 2001-01-01 Michael Hayes <mhayes@redhat.com>
8004 * loop.h (struct iv): New.
8005 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8006 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8007 'reg_biv_class' fields with 'regs' and 'n_regs'.
8008 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8009 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8010 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8012 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8014 * resource.c (mark_referenced_resources): Abort() before
8015 attempting to mark a pseudo register.
8016 (mark_set_resources): Likewise.
8018 2001-01-01 Michael Hayes <mhayes@redhat.com>
8020 * loop.h (REG_IV_CLASS): New accessor macro.
8021 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8022 * unroll.c (REG_IV_CLASS): Likewise.
8024 See ChangeLog.4 for earlier changes.