| blob | 69e2eacbc3c8577bf42d4ff095dfed104f604223 |
1 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4 all labels present in rtx.
5 (try_split) Call new function for all split insns.
7 2001-04-04 Jakub Jelinek <jakub@redhat.com>
9 * recog.c (validate_replace_rtx_1): Instead of aborting just make
10 sure the change won't be validated.
12 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
14 * rtl.h (set_noop_p): Declare.
15 * flow.c (set_noop_p): Move from here ...
16 * rtlanal.c (set_noop_p): ... to here and enhance.
17 * cse.c (delete_trivially_dead_insns): Use it.
18 * gcse.c (hash_scan_set): Likewise.
19 * jump.c (delete_noop_moves): Likewise.
20 * recog.c (split_all_insns): Likewise.
22 2001-04-04 Alan Modra <alan@linuxcare.com.au>
24 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
25 stack pointer via a LO_SUM. Ditto for setting a temp register
26 used to save to the stack. Set cfa_temp when setting fp, and
27 allow matches to cfa_temp in addition to cfa_store when saving
28 regs. Handle POST_INC and LO_SUM register stores. Document the
29 changes and errors in rule 12 doco.
31 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
32 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
33 (load_reg): Move closer to epilogue code.
34 (DO_FRAME_NOTES): Define to control the following..
35 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
36 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
37 notes as necessary.
38 (hppa_expand_epilogue): Likewise.
40 2001-04-03 Richard Henderson <rth@redhat.com>
42 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
43 * configure: Rebuild.
45 2001-04-03 Richard Henderson <rth@redhat.com>
47 * rtl.h (LCT_THROW): New.
48 * calls.c (emit_library_call_value_1): Handle it.
49 * except.c (connect_post_landing_pads): Use it.
51 2001-04-03 Zack Weinberg <zackw@stanford.edu>
53 * gansidecl.h: Delete file.
54 * configure.in: Change all refs to gansidecl.h to use
55 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
56 lives.
57 * configure: Regenerate.
59 * Makefile.in (intl.o): Don't depend on gansidecl.h.
60 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
61 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
62 Don't include gansidecl.h.
63 * intl.c, main.c, version.c, fixinc/fixlib.h,
64 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
65 gansidecl.h.
67 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
69 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
70 Update for 64bit.
72 2001-04-03 Zack Weinberg <zackw@stanford.edu>
74 * config/i386/xm-beos.h, config/i386/xm-isc.h,
75 config/i386/xm-next.h, config/i386/xm-sco.h,
76 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
77 config/m88k/xm-m88k.h: Delete.
79 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
80 * config/romp/xm-romp.h: Don't define bcopy.
81 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
82 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
84 * config.gcc: Remove references to deleted files.
86 14 xm-host.h remain, 1 xm-cpu.h.
88 2001-04-03 Jakub Jelinek <jakub@redhat.com>
89 David S. Miller <davem@pierdol.cobaltmicro.com>
90 Andrew MacLeod <amacleod@redhat.com>
92 Use byte offsets in SUBREGs instead of words.
94 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
95 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
96 to pass new argument.
97 (add_stored_regs): Use subreg_regno_offset function.
98 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
99 into account.
100 (precompute_arguments): Use gen_lowpart_SUBREG.
101 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
102 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
103 (simplify_set): Rework to use SUBREG_BYTE.
104 (expand_field_assignment): Use SUBREG_BYTE.
105 (make_extraction): Use SUBREG_BYTE.
106 (if_then_else_cond): Use SUBREG_BYTE.
107 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
108 (gen_lowpart_for_combine): Compute full byte offset.
109 * cse.c (mention_regs): Use SUBREG_BYTE.
110 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
111 (canon_hash): Use SUBREG_BYTE.
112 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
113 (gen_lowpart_if_possible): Formatting.
114 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
115 correctly.
116 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
117 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
118 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
119 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
120 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
121 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
122 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
123 certain invariants about SUBREGs the compiler creates.
124 (gen_lowpart_SUBREG): New function.
125 (subreg_hard_regno): New function to get the final register number.
126 (gen_lowpart_common): Use SUBREG_BYTE.
127 (gen_imagpart): Spacing nits.
128 (subreg_realpart_p): Use SUBREG_BYTE.
129 (gen_highpart): Use SUBREG_BYTE.
130 (subreg_lowpart_p): Always compute endian corrected goal offset,
131 even at the byte level, then compare against that.
132 (constant_subword): New function, pulled out all constant cases
133 from operand_subword and changed second argument name to offset.
134 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
135 and call constant_subword to do the work. Return const0_rtx if
136 looking for a word outside of OP.
137 (operand_subword_force): Change second arg name to offset.
138 * expmed.c (store_bit_field): Use SUBREG_BYTE.
139 (store_split_bit_field): Use SUBREG_BYTE.
140 (extract_bit_field): Use SUBREG_BYTE.
141 (extract_split_bit_field): Use SUBREG_BYTE.
142 (expand_shift): Use SUBREG_BYTE.
143 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
144 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
145 * flow.c (set_noop_p): Use SUBREG_BYTE.
146 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
147 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
148 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
149 correction code.
150 (optimize_bit_field): Use SUBREG_BYTE.
151 (purge_addressof_1): Use SUBREG_BYTE.
152 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
153 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
154 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
155 * gengenrtl.c (special_rtx): Add SUBREG.
156 * global.c (mark_reg_store): Use SUBREG_BYTE.
157 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
158 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
159 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
160 final byte offset is congruent to subreg's mode size.
161 (subst_constants): Use SUBREG_BYTE.
162 (mark_stores): Use subreg_regno_offset function.
163 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
164 function and SUBREG_BYTE.
165 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
166 (reg_is_born): Use subreg_hard_regno.
167 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
168 endian correction code. Don't combine subregs unless resulting
169 offset aligns with type. Fix subreg constant extraction for DImode.
170 Simplify SUBREG of VOIDmode CONST_DOUBLE.
171 (general_operand): Remove dead mode_altering_drug code.
172 (indirect_operand): Use SUBREG_BYTE.
173 (constrain_operands): Use subreg_regno_offset function.
174 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
175 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
176 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
177 * regs.h (REG_SIZE): Allow target to override.
178 (REGMODE_NATURAL_SIZE): New macro which target can override.
179 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
180 on the entire subreg rtx.
181 (push_reload): Use SUBREG_BYTE in comments and code.
182 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
183 for hard registers inside subregs.
184 (operands_match_p): Use subreg_regno_offset.
185 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
186 containing hard regs.
187 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
188 corrections when fixing up MEM subregs.
189 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
190 subreg_regno_offset where appropriate.
191 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
192 byte endian corrections when fixing up MEM subregs.
193 (subst_reloads): When combining two subregs, make sure final
194 offset is congruent to subreg's mode size.
195 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
196 (refers_to_regno_for_reload_p): Use subreg_regno.
197 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
198 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
199 correction code for memory subreg fixups.
200 (forget_old_reload_1): Use subreg_regno_offset.
201 (choose_reload_regs): Use subreg_regno.
202 (emit_input_reload_insns): Use SUBREG_BYTE.
203 (reload_combine_note_store): Use subreg_regno_offset.
204 (move2add_note_store): Use subreg_regno_offset.
205 * resource.c (update_live_status, mark_referenced_resources): Use
206 subreg_regno function.
207 (mark_set_resources): Use subreg_regno function.
208 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
209 (subreg_regno_offset, subreg_regno): Define prototypes.
210 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
211 (gen_lowpart_SUBREG): Add prototype.
212 * rtl.texi (subreg): Update to reflect new byte offset representation.
213 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
214 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
215 (reg_overlap_mentioned_p): Use subreg_regno.
216 (replace_regs); Make sure final offset of combined subreg is
217 congruent to size of subreg's mode.
218 (subreg_regno_offset): New function.
219 (subreg_regno): New function.
220 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
221 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
222 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
223 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
224 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
225 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
226 (a29k_get_reloaded_address): Use SUBREG_BYTE.
227 (print_operand): Use SUBREG_BYTE.
228 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
229 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
230 (arm_reload_out_hi): Use SUBREG_BYTE.
231 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
232 instead of SUBREG_WORD.
233 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
234 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
235 SUBREG creation to use byte offset.
236 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
237 inverted load insns): Fix explicit rtl subregs to use byte
238 offsets.
239 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
240 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
241 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
242 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
243 to use byte offsets.
244 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
245 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
246 offsets, also make sure it is congruent to SUBREG's mode size.
247 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
248 unnamed ldob insn): Generate SUBREGs with byte offset.
249 (zero_extendqihi2): SUBREG's are byte offsets.
250 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
251 (m68hc11_gen_highpart): Use SUBREG_BYTE.
252 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
253 zero-extendqisi2): Generate SUBREGs with byte offset.
254 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
255 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
256 subregs in rtl to use byte offsets.
257 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
258 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
259 (mips_move_2words): Use subreg_regno_offset.
260 (mips_secondary_reload_class): Use subreg_regno_offset.
261 * config/mips/mips.md (DImode plus, minus, move, and logical op
262 splits): Fixup explicit subregs in rtl to use byte offsets.
263 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
264 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
265 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
266 rtl to use byte offsets.
267 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
268 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
269 subregs to use byte offsets.
270 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
271 Fixup explicit subregs in rtl to use byte offsets.
272 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
273 and remove byte endian correction code.
274 * config/sh/sh.c (output_movedouble): Use subreg_regno.
275 (gen_ashift_hi): Use SUBREG_BYTE.
276 (regs_used): Use subreg_regno_offset.
277 (machine_dependent_reorg): Use subreg_regno_offset.
278 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
279 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
280 (movdf_i4): Subregs are byte offsets now.
281 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
282 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
283 (REGMODE_NATURAL_SIZE): Override.
284 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
285 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
286 with byte offsets.
287 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
288 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
289 extendqidi2): Generate SUBREGs with byte offsets, also make sure
290 it is congruent to SUBREG's mode size.
291 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
292 offsets.
293 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
294 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
295 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
296 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
297 * config/v850/v850.c (print_operand, output_move_double): Use
298 subreg_regno function.
300 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
302 * configure.in (target_subdir): Use target_alias, not target.
303 * configure: Rebuilt.
305 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
306 other way round.
307 * config/sh/crti.asm: Fix typos in comments.
309 2001-04-03 Alan Modra <alan@linuxcare.com.au>
311 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
312 TARGET_FAST_INDIRECT_CALLS.
313 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
314 -fPIC. Don't warn.
315 (return_addr_rtx): Short circuit export stub matching when
316 TARGET_NO_SPACE_REGS.
317 (output_millicode_call): For out of range calls, make -fPIC
318 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
319 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
320 * pa.md: Modify length attr calculation of all millicode insns to
321 match above.
323 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
325 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
326 Require at least 2.11 in the version test. Specifically check
327 for and reject GAS version 2.10.90.
328 * configure: regenerate.
330 2001-04-03 Alan Modra <alan@linuxcare.com.au>
332 * pa.c (override_options): Remove PIC profiling warning.
333 (hp_profile_labelno): Delete.
334 (hp_profile_label_rtx): Delete.
335 (hp_profile_label_name): Delete.
336 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
337 (output_function_prologue): Remove profiling code and all tests on
338 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
339 merge_sp_adjust_with_store can work for PIC and profiling.
340 (hppa_expand_epilogue): Remove profile_flag test.
341 (hppa_can_use_return_insn_p): Likewise.
342 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
343 cater for PROFILE_HOOK.
344 (hppa_profile_hook): New function.
345 * pa.h (FUNCTION_PROFILER): Now does nothing.
346 (PROFILE_HOOK): Define.
347 (hppa_profile_hook): Declare.
348 (PROFILE_BEFORE_PROLOGUE): Delete.
349 (ASM_OUTPUT_REG_PUSH): Delete.
350 (ASM_OUTPUT_REG_POP): Delete.
351 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
352 r24. Accept function name operand, and use this and a locally
353 generated label to calculate pc-rel offset to func start.
355 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
357 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
358 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
359 $(SYSTEM_H).
361 2001-04-03 Alan Modra <alan@linuxcare.com.au>
363 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
364 LO_SUM cases to where they belong.
366 2001-04-02 Richard Henderson <rth@redhat.com>
368 * except.h (lang_eh_type_covers): Mark extern.
369 (lang_eh_runtime_type): Likewise.
371 2001-04-02 Zack Weinberg <zackw@stanford.edu>
373 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
374 gengenrtl.c: Wrap generated header in multiple-include guard.
375 Improve error checking.
377 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
379 * configure.in: Don't check for putenv.
380 * configure: Regenerate.
381 * gcc.c (putenv): Don't define.
382 * vax/xm-vms.h: Handle putenv.
384 2001-04-02 Jakub Jelinek <jakub@redhat.com>
386 * ifcvt.c (noce_emit_move_insn): New.
387 (noce_try_store_flag, noce_try_store_flag_constants,
388 noce_try_store_flag_inc, noce_try_store_flag_mask,
389 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
390 noce_try_abs): Use it.
391 (noce_process_if_block): Likewise.
392 For STRICT_LOW_PART, take mode from its SUBREG.
394 2001-04-02 Jakub Jelinek <jakub@redhat.com>
396 * fold-const.c (fold): Before optimizing unsigned comparison with
397 0x7fffffffU, make sure arg0 is integral type.
399 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
401 * c-tree.texi: Document representation of wide strings.
403 2001-04-01 Richard Henderson <rth@redhat.com>
405 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
407 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
409 * i386.md: remove obsoleted comments.
410 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
411 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
412 fix output template.
414 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
416 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
418 2001-03-30 Bernd Schmidt <bernds@redhat.com>
420 * loop.c (load_mems): When generating a load from a pseudo, update
421 REGNO_LAST_UID.
423 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
425 * i386.c (ix86_split_long_move): Use change address to compensate
426 stack pointer change in push instruction.
428 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
430 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
431 instead of rtx_equal_p; fix the output template.
433 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
435 * i386.c (ix86_expand_setcc): Support 64bit.
436 (ix86_expand_int_movcc): Likewise.
437 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
438 New patterns.
440 * i386.md (allocate_stack_worker): Turn to expander.
441 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
443 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
445 2001-03-29 Richard Henderson <rth@redhat.com>
447 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
449 2001-03-28 Matthew Hiller <hiller@redhat.com>
451 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
452 output template.
454 * MAINTAINERS: Added self.
456 2001-03-28 Richard Henderson <rth@redhat.com>
458 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
459 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
461 2001-03-28 Jim Wilson <wilson@redhat.com>
463 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
464 operand_subword.
466 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
468 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
470 * tradcif.y (yyerror): Likewise. Add format specifier in call to
471 `error'.
473 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
475 2001-03-28 DJ Delorie <dj@redhat.com>
477 * Makefile.in (stage1_build): Revert CFLAGS patch.
479 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
481 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
482 when multiplier or multiplicand is zero.
484 2001-03-28 Bernd Schmidt <bernds@redhat.com>
486 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
488 * config/ia64/ia64.c (update_set_flags): New function, broken out of
489 rtx_needs_barrier.
490 (set_src_needs_barrier): Likewise.
491 (rtx_needs_barrier): For SET case, use these two functions. Rework
492 PARALLEL case to handle all inputs before all outputs.
493 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
494 saw a label and no stop bit since then.
495 (maybe_rotate, process_epilogue): Add prototypes.
497 2001-03-28 Richard Henderson <rth@redhat.com>
499 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
500 not TARGET_TOC for special toc restore handling.
501 * config/rs6000/rs6000.md (eh_return): Likewise.
503 2001-03-28 Richard Henderson <rth@redhat.com>
505 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
506 current_function_calls_eh_return.
507 (output_function_epilogue): Handle eh_return.
508 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
509 (EH_RETURN_DATA_REGNO): New.
510 (EH_RETURN_STACKADJ_RTX): New.
511 (EH_RETURN_HANDLER_RTX): New.
512 * config/sparc/sparc.md (call/short branch peepholes): Check
513 can_throw_internal instead of in_same_eh_region.
515 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
516 for eh_return data registers.
517 (rs6000_emit_prologue): Save eh_return data registers.
518 (rs6000_emit_epilogue): Force inline restores if eh_return.
519 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
520 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
521 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
522 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
523 the target uses one.
524 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
525 (return_eh_si, return_eh_di): Remove.
526 (eh_return): New, from corpse of eh_epilogue.
527 (eh_set_lr_si, eh_set_lr_di): New.
529 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
530 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
531 True for pic register if current_function_calls_eh_return.
532 (ix86_expand_epilogue): Change "emit_return" argument into "style".
533 Handle eh_return requirements.
534 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
535 (EH_RETURN_STACKADJ_RTX): New.
536 * config/i386/i386.md (exception_receiver): Remove.
537 (eh_return, eh_return_1): New.
538 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
540 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
541 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
542 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
543 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
544 (EH_RETURN_DATA_REGNO): New.
545 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
546 * config/alpha/alpha.md (eh_epilogue): Remove.
547 (exception_receiver): Use $26 for ldgp input.
548 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
550 2001-03-28 Richard Henderson <rth@redhat.com>
552 * except.c: Rewrite entirely for IA-64 ABI exception handling.
553 * except.h: Likewise.
555 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
556 (LIB2ADDEHDEP): New.
557 (LIB2FUNCS_EH): Remove.
558 (LIB2ADD): Remove LIB2ADDEH.
559 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
560 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
561 (crt{begin,end}[S].o): Likewise.
562 (except.o): Update includes.
563 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
564 (libgcc2_c_dep): Use LIB2ADDEHDEP.
566 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
567 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
568 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
569 * builtins.c (expand_builtin): Implement it.
570 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
571 * c-common.c (c_common_nodes_and_builtins): Declare it.
572 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
573 * calls.c (libfunc_nothrow): Remove.
574 (emit_library_call_value_1): Don't call it.
575 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
576 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
577 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
578 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
579 (current_funcdef_number): Globalize.
580 (output_call_frame_info): Emit frame data if an lsda is needed.
581 Generate augmentation for personality routine. Don't play with
582 difference symbols.
583 (dwarf2out_begin_prologue): Record funcdef_number.
584 * dwarf2out.h (current_funcdef_number): Declare.
585 * expr.c (expand_expr): Update for except.h name changes.
586 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
587 * expr.h (LTI_throw, LTI_rethrow): Remove.
588 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
589 (LTI_eh_rtime_match): Remove.
590 (LTI_unwind_resume, LTI_eh_personality): Add.
591 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
592 * final.c (final): Don't call check_exception_handler_labels,
593 init_insn_eh_region, or free_insn_eh_region.
594 (final_scan_insn): Always emit debug labels for
595 NOTE_INSN_EH_REGION notes.
596 * flags.h (flag_new_exceptions): Remove.
597 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
598 (record_active_eh_regions): Remove.
599 (count_basic_blocks): Check all instructions for REG_EH_REGION.
600 Use can_throw_internal.
601 (find_basic_blocks_1): Likewise.
602 (move_stray_eh_region_notes): Remove.
603 (find_label_refs): No eh_return_stub_label.
604 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
605 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
606 changes.
607 (delete_unreachable_blocks): Don't track deleted handlers.
608 (flow_delete_block): Use maybe_remove_eh_handler.
609 (delete_eh_regions): Remove.
610 (merge_blocks): Don't check for eh region match.
611 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
612 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
613 (init_propagate_block_info): Disable dead frame store optimization
614 when current_function_calls_eh_return.
615 (dump_bb): Don't print eh_beg, eh_end.
616 * function.c (fixup_var_refs): No catch_clauses.
617 (expand_function_end): Likewise. Call expand_eh_return before
618 the return register use. Call sjlj_emit_function_exit_after.
619 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
620 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
621 * ifcvt.c (dead_or_predicable): Remove eh region check.
622 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
623 Don't check for EH vs parameters.
624 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
625 (expand_inline_function): Call duplicate_eh_regions.
626 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
627 (copy_insn_notes): Remap REG_EH_REGION notes.
628 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
629 * integrate.h (struct inline_remap): Add local_return_label.
630 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
631 check_exception_handler_labels, nor exception_optimize.
632 (find_cross_jump): No EH region check.
633 * optabs.c (init_optabs): Update for changed eh libfuncs.
634 * rtl.def (RESX): New.
635 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
636 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
637 checks. Update for except.h name changes.
638 (expand_cleanups): Likewise.
639 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
640 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
641 (compile_file): Call init_eh before init_optabs. Don't
642 output_exception_table here.
643 (rest_of_compilation): Call convert_from_eh_region_ranges,
644 convert_to_eh_region_ranges, output_function_exception_table.
645 Don't emit_eh_context.
646 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
647 (EXC_PTR_EXPR): New.
649 * md.texi (eh_epilogue): Remove.
650 (eh_return): Document.
651 * tm.texi (EH_RETURN_DATA_REGNO): Document.
652 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
654 * eh-common.h: Remove file.
655 * frame-dwarf2.c, frame.c, frame.h: Remove files.
656 * libgcc2.c (L_eh): Remove.
658 * unwind-dw2-fde.c: New file, largely copied from frame.c.
659 * unwind-dw2-fde.h: New file.
660 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
661 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
662 * libgcc-std.ver: Update for eh symbols.
664 2001-03-27 Richard Henderson <rth@redhat.com>
666 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
667 reduce false positives.
668 (regmove_optimize): Disable if flag_non_call_exceptions.
670 * stmt.c (expand_return): Remove always true predicate.
671 (expand_decl_cleanup_no_eh): Remove dead code.
673 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
674 barrier code. Add a scheduling barrier if a non-call insn
675 can throw internally.
677 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
678 Auto-inc addresses trap only if their base register does.
680 * except.c (can_throw_internal): Rename from can_throw.
681 * except.h, resource.c: Update references.
683 * integrate.c (copy_insn_list): Use returnjump_p.
684 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
686 * function.h (struct function): Move all boolean valued fields
687 to single bit fields at the end of the struct.
689 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
690 jump.c, toplev.c:
691 Rename asynchronous_exceptions to flag_non_call_exceptions.
693 * gthr-single.h (UNUSED): New. Distinguish between how C
694 and C++ mark unused function arguments. Use throughout.
696 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
697 value to target configuration header.
698 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
699 * config.in, configure: Rebuild.
700 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
701 configuration and target defines.
702 (exceptions_via_longjmp): Remove.
703 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
704 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
706 * except.h (flag_non_call_exceptions): Move ...
707 * flags.h: ... here.
709 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
710 exceptions, put the note on the trapping instruction.
712 * flags.h (flag_new_exceptions): Remove.
713 * toplev.c: Don't set it.
714 * final.c: Don't check it.
715 * except.c: Provide stub definition.
717 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
718 (calculate_global_regs_live): Kill call-clobbered registers
719 across exception edges.
720 * reg-stack.c (convert_regs_1): Kill the entire target stack
721 across non-call exception edges.
723 * flow.c (cleanup_cfg): Take no argument.
724 * output.h, sibcall.c, toplev.c: Update all calls.
726 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * configure.in: Don't check for bcopy.
729 * configure, config.in: Regenerate.
731 * system.h: Don't define or prototype bcopy, instead poison it.
733 2001-03-27 Richard Henderson <rth@redhat.com>
735 * function.c (expand_function_start): Set DECL_REGISTER on
736 a pseudo used for DECL_RESULT.
738 * rtl.h (LCT_NORETURN): New.
739 * calls.c (emit_library_call_value_1): Handle it.
741 2001-03-27 Stan Shebs <shebs@apple.com>
743 * objc/objc-act.c (objc_init): Use dump_base_name.
744 (gen_declaration): Clear the buffer arg.
745 (gen_declaration_1): New function, body of gen_declaration.
746 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
747 (gen_method_decl): Ditto, plus always clear buffer arg.
748 (error_with_ivar): Simplify.
749 (warn_with_method): Ditto.
750 (build_message_expr): Don't clear buffers.
751 (dump_interface): Ditto.
752 (objc_debug): Ditto.
753 (build_keyword_selector): Clear the buffer by only zeroing
754 the first element.
755 (objc_implementation_context): Declare.
756 (start_class): Warn about missing @end.
757 (finish_objc): Ditto.
759 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
761 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
763 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
765 * Makefile.in (SYSTEM_H): Define.
766 Depend on $(SYSTEM_H), not system.h.
768 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
770 2001-03-27 Jim Wilson <wilson@redhat.com>
772 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
773 IA64_UNWIND_EMIT.
774 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
775 (process_epilogue): New static function.
776 (process_set): Call process_epilogue instead of emitting .restore
777 directly.
778 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
780 * flow.c (struct reg_cond_life_info): New fields orig_condition
781 and stores.
782 (init_propagate_block_info): Set new fields.
783 (mark_regno_cond_dead): Set and use new fields.
784 (flush_reg_cond_reg_1): Likewise.
785 (and_reg_cond, case AND): Check for redundant AND conditions.
786 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
787 Set new fields.
789 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
791 * cppmacro.c (stringify_arg): Null terminate strings.
793 2001-03-27 Zack Weinberg <zackw@stanford.edu>
795 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
796 inclusion style. xm-m68hc11.h no longer exists.
797 * config/m68hc11/xm-m68hc11.h: Delete file.
798 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
800 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
801 Don't define GCC_VERSION, N_, or PARAMS; don't include
802 gansidecl.h or stdio.h. Define inhibit_libc here.
803 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
804 Delete code conditioned on #if GCC_VERSION == 2095.
806 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
807 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
808 Delete code conditioned on #if GCC_VERSION == 2095.
810 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
812 * system.h: Include symcat.h.
813 (STRINGIFY): Don't define.
815 * configure.in: Adjust comment.
817 * builtins.c: Use STRINGX, not STRINGIFY.
818 * gencheck.c: Likewise.
819 * gengenrtl.c: Likewise.
820 * protoize.c: Likewise.
822 * cpplex.c: Don't include symcat.h.
823 * cpplib.c: Likewise.
825 * gansidecl.h (HAVE_STRINGIZE): Don't define.
827 2001-03-27 Alan Modra <alan@linuxcare.com.au>
829 * c-typeck.c (digest_init): Fold init expression.
831 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
835 2001-03-27 Alan Modra <alan@linuxcare.com.au>
837 * except.c (eh_regs): Save results of build_pointer_type to a temp
838 as FUNCTION_VALUE macro may evaluate its args multiple times.
840 2001-03-26 Mark Mitchell <mark@codesourcery.com>
842 * c-common.h (DECL_NUM_STMTS): New macro.
843 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
844 DECL_FRAME_SIZE.
845 (pushdecl): Likewise.
846 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
847 * integrate.c (expand_inline_function): Don't check
848 DECL_FRAME_SIZE.
849 * print-tree.c (print_node): Don't print it.
850 * toplev.c (rest_of_compilation): Don't try to inline when
851 flag_no_inline is on.
852 * tree.h (DECL_FRAME_SIZE): Remove.
853 (tree_decl): Adjust accordingly.
855 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * combine.c (try_combine): Use memcpy, not bcopy.
859 * genattrtab.c (expand_units): Likewise.
861 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
863 * i386.md (push mem DI peep2): New.
864 (mov 0, mov -1 peep2): Handle 64bit.
865 (lea to arithmetics peep2): Handle 64bit leas.
866 (rsp arithmetics to push/pop peep2s): New.
868 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
870 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
872 * i386.c (struct machine_function): Add save_varrargs_registers.
873 (ix86_save_varrargs_registers): New macro.
874 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
875 (ix86_expand_prologue): Likewise.
876 (ix86_emit_epilogue_esp_adjustement): Likewise.
877 (ix86_expand_epilogue): Likewise.
878 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
879 (pro_epilogue_adjust_stack_1): New insn.
880 (pro_epilogue_adjust_stack_rex64): Likewise.
881 * i386.h (MASK_NO_RED_ZONE): New constant.
882 (TARGET_RED_ZONE): New macro.
883 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
884 (RED_ZONE_SIZE): New constant.
885 (RED_ZONE_RESERVE): New constant.
887 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * toplev.c (set_float_handler): Use memcpy, not bcopy.
891 2001-03-25 Kazu Hirata <kazu@hxi.com>
893 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
894 space.
895 (modqi3): Likewise.
896 (umodhi3): Likewise.
897 (modhi3): Likewise.
899 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * mkconfig.sh (DEFINES): Handle entries with '='.
903 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
904 Set xm_defines to MACRO=value instead.
906 * i370/xm-mvs.h: Delete.
908 * ns32k/xm-pc532-min.h: Likewise.
910 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
913 shiftdi_operand;
914 use ix86_expand_binary_operator
915 (?sh??i_?): Disable for 64bit.
916 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
917 * i386.c (shiftdi_operand): New predicate.
919 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
920 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
921 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
922 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
923 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
924 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
925 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
926 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
927 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
928 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
929 (rotldi3, rotrdi3): New expanders.
931 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
933 * i386.md (movstrsi): Move offline.
934 (movstrdi): New.
935 (strmovdi_rex64): New.
936 (strmov?i): Accept 64bit.
937 (strmov?i_rex64): New.
938 (strmov?i_rex_1): New.
939 (strmov?i_1): Disable for 64bit.
940 (rep_mov?i_rex64): New.
941 (rep_mov?i): Disable for 64bit.
942 (clrstrsi): Move offline.
943 (strset?i_rex64): New.
944 (strset?i: Accept 64bit.
945 (rep_stos?i): Disable for 64bit.
946 (rep_stos?i_rex64): New.
947 (strset?i_rex_1): New.
948 (strset?i_1): Disable for 64bit.
949 (cmpstrsi): Accept 64bit.
950 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
951 (cmpstrqi_nz_rex_1): New.
952 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
953 (strlensi): Move offline.
954 (strlendi): New.
955 (strlenqi_1): Disable for 64bit; fix constraints.
956 (strlenqi_rex_1): New.
957 * i386.c (ix86_adjust_counter): New static function.
958 (ix86_zero_extend_to_Pmode): Likewise.
959 (ix86_expand_aligntest): Likweise.
960 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
961 (ix86_expand_movstr): New global function.
962 (ix86_expand_clrstr): New global function.
963 (ix86_expand_strlen): New global function.
964 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
965 ix86_expand_strlen): Declare.
966 (ix86_expand_strlensi_unroll_1): Delete.
968 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
970 * i386.md (cmpdi): Fix operand predicates.
971 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
972 cmpdi_1_insn_rex64): New patterns.
973 (adddi3): Turn to expander.
974 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
975 (addsi3_carry_zext): New pattern.
976 (adddi_?_rex64): New patterns and splitters.
977 (addsi_?_zext): New patterns.
978 (subsi3_carry_zext): New pattern.
979 (subdi_?_rex64): New patterns and splitters.
980 (iorsi_?_zext): New patterns.
981 (iordi_?_rex64): New patterns and splitters.
982 (iorsi_?_zext): New patterns.
983 (iorsi_?_zext_imm): New patterns.
984 (xorsi_?_zext): New patterns.
985 (xordi_?_rex64): New patterns and splitters.
986 (xorsi_?_zext): New patterns.
987 (negdi*): New patterns.
988 (one_cmpldi*): Likewise.
989 (one_cmplsi*_zext, negsi*_zext): Likewise.
990 (testqi_ext_3_rex64): New pattern.
992 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
994 * i386-protos.h (ix86_split_long_move): Return void.
995 * i386.c (ix86_split_to_parts): Handle 64bit target.
996 (ix86_split_long_move): Likewise.
997 * i386.md (all calls to ix86_split_long_move): Update.
999 2001-03-23 Richard Henderson <rth@redhat.com>
1001 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1002 to avoid shadowing arguments.
1004 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1006 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1007 to variable names where DECL_NAME is different from
1008 DECL_ASSEMBLER_NAME.
1010 2001-03-23 Jim Wilson <wilson@redhat.com>
1012 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1013 (assemble_alias): Call make_decl_rtl.
1015 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1017 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1019 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1021 * extend.texi: Document the "java_interface" attribute.
1023 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1025 * mkconfig.sh: Use a subshell with redirected stdout,
1026 instead of closing stdout and confusing commands that run
1027 afterward. Throw away output of cmp.
1029 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1031 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1033 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1035 * i386.md (zero_extendsidi2_32): Break out from ...
1036 (zero_extendsidi2): ... here ; turn to expander.
1037 (zero_extendsidi2_rex64): New.
1038 (extendsidi2_32): Break out from ...
1039 (extendsidi2): ... here ; turn to expander.
1040 (extendsidi2_rex64): New.
1041 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1042 (trunc?f?f splitters): Add 64bit versions.
1044 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1046 * i386.md (pushsi, pushsi2_prologue): Disable.
1047 (pushsi2_rex64): New.
1048 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1049 (movqi_ext_1): Disable for 64bit.
1050 (movqi_ext_1_rex64): New.
1051 (pushdi2_rex64): New pattern, peep2s and splitter.
1052 (pushdi2_prologue_rex64): New pattern.
1053 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1054 Likewise.
1055 (movdi splitters): Disable for 64bit.
1056 (movdi_1_rex64): New pattern, peep2s and splitters.
1057 (swapdi): New pattern.
1058 (pushsf): Disable for 64bit.
1059 (pushsf_rex64): New pattern and splitter.
1060 (pushdf_nointeger): Disable for 64bit.
1061 (pushdf_integer): Handle the 64bit case.
1062 (pushtf): Likewise; update splitters.
1064 2001-03-22 Richard Henderson <rth@redhat.com>
1066 * mkconfig.sh: Include insn-flags.h.
1067 * Makefile.in (CONFIG_H): Include insn-flags.h.
1068 (lots of objects): Remove insn-codes.h and insn-flags.h.
1070 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1071 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1072 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1073 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1074 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1075 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1076 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1077 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1078 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1079 v850/v850.c, vax/vax.c:
1080 Don't include insn-flags.h.
1082 * diagnostic.c, expr.h, reload.c, toplev.c:
1083 Don't include insn-codes.h.
1085 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1086 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1087 c4x/c4x.c, i960/i960.c, mips/mips.c:
1088 Don't include insn-codes.h or insn-flags.h.
1090 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1091 or insn-flags.h in the generated code.
1092 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1093 (main): Forward declare struct rtx_def.
1095 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1097 * invoke.texi (-ffast-math): Remove duplicate line about
1098 __FAST_MATH__.
1100 * gcc.texi: Remove more obsolete documentation of bugs and
1101 installation problems.
1103 2001-03-21 Kazu Hirata <kazu@hxi.com>
1105 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1106 into two parts.
1108 2001-03-20 Jason Merrill <jason@redhat.com>
1110 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1111 not '.' or '$'.
1112 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1113 * varasm.c (CHKR_PREFIX): Likewise.
1115 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1118 is part of a multi-SET insn.
1120 * cse.c (find_comparison_args): Remove previous change.
1121 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1122 REG_EQUAL notes.
1124 * config/i386/i386.md (conditional_trap): Remove warning.
1126 * recog.c (push_operand): Fix error in last change that caused
1127 undefined symbol on many targets.
1129 * sdbout.c: #include ggc.h.
1130 (sdbout_init): Move to end of file.
1131 Call ggc_add_tree_root for anonymous_types.
1132 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1133 (sdbout_one_type): Use DECL_NAME for field name.
1134 * Makefile.in (sdbout.o): Show includes ggc.h.
1136 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1138 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1139 (override_options): Use properlimits for preferred_stack_boundary.
1140 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1141 on x86_64.
1142 (ext_register_operand): Accept DImode.
1143 (load_pic_register): Abort on 64bit.
1144 (gen_push): Use Pmode instead of SImode.
1145 (ix86_save_reg): Pic reg is never used on 64bit.
1146 (ix86_expand_prologue): Likewise.
1147 (ix86_emit_save_regs): Use Pmode instead of SImode.
1148 (legitimate_address_p): Check displacement for 64bit.
1149 (print_operand): Avoid outputting of (%rip) on 64bit.
1150 (print_operand_address): Output (%rip) where possible.
1151 (split_di): Abort on 64bit registers.
1152 (ix86_expand_branch): DImode comparison is simple for x86_64.
1153 (memory_address_length): Recognize memory addresses formed using
1154 PRE/POST modify.
1155 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1156 for x86_64.
1157 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1159 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1161 * recog.c (push_operand): Recognize new format of push instructions.
1163 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1165 * i386.md (pushqi1): New.
1166 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1167 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1168 x86_64_immediate_operand, x86_64_immediate_operand,
1169 x86_64_zext_immediate_operand): Declare.
1170 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1171 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1172 x86_64_immediate_operand, x86_64_immediate_operand,
1173 x86_64_zext_immediate_operand): define.
1174 * i386.h (PREDICATE_CODES): Add new predicates.
1176 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1178 * i386.md (pophi1, popqi1, pushqi1): Remove.
1180 * expr.c (emit_single_push_insn): New function.
1181 (move_by_pieces): Accept NULL as destination for push instructions.
1182 (gen_push_operand): Kill.
1183 (emit_push_insn): Pass NULL when pushing; avoid updating of
1184 stack_pointer_delta.
1185 * expr.h (gen_push_operand): Kill.
1187 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1189 * rtl.texi (COMPARE): Clarify documentation and reference section
1190 on comparisons.
1192 2001-03-20 Stan Shebs <shebs@apple.com>
1194 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1195 (get_object_reference): Ditto.
1196 (error_with_ivar): Use error_with_file_and_line.
1197 (warn_with_method): Use warning_with_file_and_line.
1199 2001-03-20 Tom Tromey <tromey@redhat.com>
1201 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1203 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1205 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1206 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1208 2001-03-20 DJ Delorie <dj@redhat.com>
1210 * Makefile.in (install-libgcc): Pass complete list of variables.
1211 (install-multilib): Ditto.
1213 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1215 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1216 drectve_section, switch_to_section.
1218 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1219 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1220 i386_pe_mark_dllimport.
1222 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1224 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1225 functions i386_pe_*.
1227 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1228 i386_pe_* functions with char * arguments.
1230 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1232 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1233 and store.
1234 (movsi_ie): Introduce fpul store.
1236 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1238 * Makefile.in (OBJS): Remove hashtab.o.
1240 2001-03-19 Stan Shebs <shebs@apple.com>
1242 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1243 * c-lang.c (maybe_objc_method_name): Ditto.
1244 * c-tree.h (maybe_objc_method_name): Remove decl.
1246 2001-03-19 Tom Tromey <tromey@redhat.com>
1248 * gcc.c (init_gcc_specs): Fix comment.
1250 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1252 Compute DECL_ASSEMBLER_NAME lazily.
1253 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1254 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1255 (SET_DECL_ASSEMBLER_NAME): Likewise.
1256 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1257 (set_decl_assembler_name): Declare.
1258 (lang_set_decl_assembler_name): Likewise.
1259 * tree.c (lang_set_decl_assembler_name): New variab.e
1260 (set_decl_assembler_name): New function.
1261 (init_obstacks): Set lang_set_decl_assembler_name.
1262 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1263 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1264 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1265 where it's not necessary.
1266 (builtin_function): Likewise.
1267 (finish_decl): Likewise.
1268 * dbxout.c (dbxout_type_methods): Likewise.
1269 * ggc-common.c (ggc_mark_trees): Likewise.
1270 * profile.c (output_func_start_profiler): Likewise.
1271 * varasm.c (make_decl_rtl): Likewise.
1273 * cse.c (find_comparison_args): Update documentation. Fix
1274 mishandling of COMPARE operations.
1276 * tree.def (ABS_EXPR): Add documentation.
1277 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1279 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1281 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1283 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1285 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1286 Remove ia32 linux PIC kludge and move it...
1287 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1289 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1291 * i386.md (absdf2 expander): Fix 64bit case.
1293 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1295 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1297 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1299 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1301 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1303 * README.X11: Remove obsolete file.
1305 2001-03-18 Anthony Green <green@redhat.com>
1307 * config/pj/pj.h: Remove some trailing commas.
1308 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1310 2001-03-18 Richard Henderson <rth@redhat.com>
1312 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1313 * calls.c: ... here.
1314 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1315 defaults for them here.
1317 2001-03-17 Anthony Green <green@redhat.com>
1319 * config/pj/lib1funcs.S: Fix broken comment.
1320 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1321 labels with '.'.
1323 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1325 * gcc.texi: Remove obsolete information relating to build and
1326 installation problems with enquire or the Pyramid C compiler.
1328 2001-03-17 Richard Henderson <rth@redhat.com>
1330 * dwarf2out.c (queue_reg_save): New.
1331 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1332 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1333 dwarf2out_reg_save.
1334 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1335 (cfa, cfa_store, cfa_temp): Make static.
1336 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1338 2001-03-17 Richard Henderson <rth@redhat.com>
1340 * integrate.h (struct inline_remap): Add local_return_label.
1341 * integrate.c (expand_inline_function): Initialize it and emit
1342 it after copy_insn_notes.
1343 (copy_insn_list): Don't store local_return_label here.
1344 (copy_insn_notes): New function split out from copy_insn_list.
1346 2001-03-17 Richard Henderson <rth@redhat.com>
1348 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1349 is generating .debug_line.
1350 (dwarf2out_init): Add main_input_filename to the file table first.
1351 * configure.in (as_dwarf2_debug_line): Test with file number 1
1352 instead of file number 0.
1354 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1356 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1357 (gen_rtx_combine): Deleted; all references changed as appropriate.
1358 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1360 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1362 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1364 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1365 variable.
1367 2001-03-16 Jim Wilson <wilson@redhat.com>
1369 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1370 then set it to LOC_REG (79) instead of aborting.
1372 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1374 * gccbug.in: Remove high priority.
1376 2001-03-16 Richard Henerson <rth@redhat.com>
1378 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1379 output with a space instead of deleting it.
1380 * configure: Regenerate.
1382 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1384 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1385 handles the gory details of converting an object file into
1386 something that's safe to grep.
1387 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1388 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1389 newlines at either end of the string we're looking for.
1390 Make 'checking ...' message less stilted.
1391 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1392 ARM in-memory layout and its hypothetical converse. Don't
1393 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1394 HOST_WORDS_BIG_ENDIAN.
1396 * configure.in: Adjust for renamed macro. Move
1397 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1398 * configure, config.in: Regenerate.
1400 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1402 * fixinc/Makefile.in: Set SHELL.
1404 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1406 * fixinc/fixincl.c (fix_with_system): Quote file names before
1407 passing them to shell.
1409 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1411 * Makefile.in: Use fix-header$(build_exeext) instead
1412 of fix-header.
1414 2001-03-16 Richard Henderson <rth@redhat.com>
1416 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1417 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1418 (size_of_line_prolog): Remove.
1419 (output_line_info): Compute prologue size via label difference.
1420 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1422 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1423 assembler error when redefining file numbers.
1424 * config.in, configure: Rebuild.
1426 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1427 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1428 (dw2_asm_output_delta_uleb128): Likewise.
1429 (dw2_asm_output_delta_sleb128): Similarly.
1430 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1432 2001-03-16 Michael Meissner <meissner@redhat.com>
1434 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1435 warnings.
1436 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1437 warnings.
1438 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1440 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1441 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1442 being unsigned in ISO C and signed in traditional.
1443 (expand_prologue): Ditto.
1444 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1446 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1447 warnings.
1448 (divsi3,divdi3): Ditto.
1449 (modsi3,moddi3): Ditto.
1450 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1451 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1452 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1453 warnings.
1455 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1457 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1458 SSE based conditional moves on LTGT/UNEQ conditions;
1459 Canonicalize EQ to NE.
1460 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1461 (sse_mov?fcc_ne): New.
1463 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1465 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1467 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1468 register may be dead.
1470 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1472 * Makefile.in (hash.o): Depend on CONFIG_H.
1474 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1476 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1478 2001-03-15 Richard Henderson <rth@redhat.com>
1480 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1481 (ASM_OUTPUT_DWARF_PCREL): New.
1482 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1484 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1486 * cppfiles.c (stack_include_file): Use MAX of sysp.
1488 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1490 * config.gcc (ia64*-*-hpux*): New case.
1491 * config/ia64/hpux.h: New file for HP-UX support.
1492 * config/ia64/t-hpux: New file for HP-UX support.
1494 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1496 * fixinc/inclhack.def (irix_stdio_va_list): New.
1497 * fixinc/fixincl.x: Rebuilt.
1499 2001-03-15 Richard Henderson <rth@redhat.com>
1501 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1502 if provided by the target.
1503 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1504 (dw2_asm_output_addr): New.
1505 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1506 * dwarf2out.c (output_cfi): Use it for program addresses.
1507 (output_call_frame_info, output_die): Likewise.
1508 (output_aranges, output_line_info): Likewise.
1510 2001-03-15 Bruce Korb <bkorb@gnu.org>
1512 * gcc.c(main): make more rigorous
1513 * collect2.c(main): guard against ignoring SIGCHLD
1514 * protoize.c(main): ditto
1515 * gcc/fixinc/fixincl.c(initialize): ditto
1517 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1519 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1520 (sdbout_parms): Likewise.
1522 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1524 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1525 "widen" a destination that is already wider than a word. Also do
1526 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1528 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1530 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1532 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1534 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1536 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1538 * i960.h (i960_maxbitalignment,
1539 i960_last_maxbitalignment): Declare.
1540 * i960.c (i960_maxbitalignment,
1541 i960_last_maxbitalignment): Make global.
1542 (process_pragma): Delete.
1543 (i960_pr_align, i960_pr_noalign): Move from here ...
1544 * i960-c.c: ... to this new file.
1545 * t-960bare (i960-c.o): New rule.
1546 * t-vxworks960 (i960-c.o): Likewise.
1547 * config.gcc (i960-*-*): Define c_target_objs and
1548 cxx_target_objs.
1550 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1552 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1553 without adding in rtx code and mode.
1555 * alias.c (init_alias_analysis): Don't use any rtx whose value
1556 varies as a known value.
1557 Delete a superfluous test.
1559 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1560 ia64_sched_reorder.
1561 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1562 scheduling a stop bit.
1563 (ia64_emit_nops): Correctly handle ASMs.
1565 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1567 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1569 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1571 * cpp.texi: Update documentation for -include and -imacros.
1572 * cppfiles.c (struct include_file): Remove "defined" memeber.
1573 (find_or_create_entry): Make a copy of the file name, and
1574 simplify it.
1575 (open_file): Update to ensure we use the simplified filename.
1576 (stack_include_file): Don't set search_from.
1577 (cpp_included): Don't simplify the path name here.
1578 (find_include_file): New prototype. Call search_from to
1579 get the start of the "" include chain. Don't simplify the
1580 filenames here.
1581 (_cpp_execute_include): New prototype. Move diagnostics to
1582 do_include_common. Update.
1583 (_cpp_pop_file_buffer): Don't set defined.
1584 (search_from): New prototype. Use the preprocessor's cwd
1585 for files included from the command line.
1586 (read_name_map): Don't simplify the pathname here.
1587 * cpphash.h (enum include_type): New.
1588 (struct buffer): Delete search from. New search_cached.
1589 (_cpp_execute_include): Update prototype.
1590 * cppinit.c (do_includes): Use _cpp_execute_include.
1591 * cpplib.c (do_include_common): New function.
1592 (do_include, do_include_next, do_import): Use it.
1594 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1596 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1597 contents of the RTL, to determine the name of the object.
1599 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1601 * tree.h (DECL_RTL): Allocate RTL lazily.
1602 (SET_DECL_RTL): New macro.
1603 (DECL_RTL_SET_P): Likewise.
1604 (COPY_DECL_RTL): Likewise.
1605 (DECL_RTL_IF_SET): Likewise.
1606 * varasm.c (make_decl_rtl): Add assertions about the kind of
1607 declaration we are processing.
1608 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1609 (start_decl): Likewise.
1610 (finish_decl): Likewise.
1611 * c-semantics.c (emit_local_var): Likewise.
1612 * calls.c (expand_call): Likewise.
1613 * dbxout.c (dbxout_symbol): Likewise.
1614 * emit-rtl.c (unshare_all_rtl): Likewise.
1615 (unshare_all_decls): Likewise.
1616 (reset_used_decls): Likewise.
1617 * expr.c (store_constructor): Likewise.
1618 (safe_from_p): Likewise.
1619 (expand_expr): Likewise.
1620 * function.c (put_var_into_stack): Likewise.
1621 (instantiate_decls_1): Likewise.
1622 (assign_parms): Likewise.
1623 (expand_function_start): Likewise.
1624 (expand_function_end): Likewise.
1625 * ggc-common.c (gcc_mark_trees): Likewise.
1626 * integrate.c (function_cannot_inline_p): Likewise.
1627 (copy_decl_for_inlining): Likewise.
1628 (expand_inline_function): Likewise.
1629 (integrate_parm_decls): Likewise.
1630 (integrate_decl_tree): Likewise.
1631 * print-tree.c (print_node): Likewise.
1632 * reg-stack.c (stack_result): Likewise.
1633 * stmt.c (label_rtx): Likewise.
1634 (expand_return): Likewise.
1635 (expand_decl): Likewise.
1636 (expand_decl_cleanup): Likewise.
1637 (expand_anon_union_decl): Likewise.
1638 * toplev.c (check_global_declarations): Likewise.
1639 (rest_of_decl_compilation): Likewise.
1640 * tree.c (simple_cst_equal): Likewise.
1641 * objc/objc-act.c (generate_static_references): Likewise.
1643 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1645 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1646 gcc_AC_C_FLOAT_FORMAT): New macros.
1647 * configure.in: Add AC_PROG_CPP after CC tests;
1648 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1649 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1650 * configure, config.in: Regenerate.
1652 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1653 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1654 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1655 config/i370/xm-linux.h, config/i370/xm-oe.h,
1656 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1657 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1658 config/pa/xm-linux.h, config/pa/xm-pa.h,
1659 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1660 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1661 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1662 config/we32k/xm-we32k.h: Delete.
1664 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1665 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1666 config/vax/xm-vms.h: Don't define any of:
1667 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1669 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1671 * config.gcc: Remove references to deleted files.
1672 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1673 FATAL_EXIT_CODE, which is the same between oe and mvs).
1675 2001-03-14 DJ Delorie <dj@redhat.com>
1676 Vladimir Makarov <vmakarov@redhat.com>
1678 * config/i960/i960.c (i960_function_prologue): Compute size of
1679 frame according to number of registers actually saved there.
1681 2001-03-14 Richard Henderson <rth@redhat.com>
1683 * expr.c (emit_move_insn_1): Fix else if around #endif.
1685 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1686 Vojtech Pavlik
1688 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1689 constraints.
1691 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1693 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1694 (override_options): Parse cmodel string.
1695 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1696 * i386.h (TARGET_OPTIONS): Add "cmodel".
1697 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1698 (enum cmodel): New.
1699 (ix86_cmodel_string, ix86_cmodel): Declare.
1701 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1703 Spot by Matt Kraai:
1704 * i386.h (GENERAL_REG_P): Add missing REG_P.
1706 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1708 * configure.in: Use $gcc_cv_as instead of $as.
1709 * configure: Regenerated.
1711 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1713 * cppfiles.c (stack_include_file): Only increase the include
1714 count if we actually process the file properly, as opposed
1715 to treating it as length zero. Only call read_include_file
1716 if not DO_NOT_REREAD. Handle the -H include file output
1717 here.
1718 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1719 (cpp_included, find_include_file): Simplify pathnames after
1720 remapping them. If remapping, don't use the remapped file
1721 name's buffer as our scratch buffer.
1722 (cpp_pop_file_buffer): Replace the multiple include macro
1723 only if it isn't yet set.
1724 (read_name_map): Simplify remapped names when reading in.
1725 (remap_filename): Move code to code path that uses it.
1726 (_cpp_simplify_pathname): Return the input pointer.
1727 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1729 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1731 * expr.c (expand_expr): Revove bogus conditional.
1733 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1735 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1737 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1739 * reg-stack.c (stack_result): Unconditionally use
1740 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1742 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1744 * expr.c (emit_move_insn_1): Split push of complex value when
1745 no suitable push instruction exist.
1747 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1748 instead of QI_REG_P.
1750 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1752 * alias.c (handled_component_p, can_address_p): New functions.
1753 (get_alias_set): Use them.
1755 2001-03-13 Jim Wilson <wilson@redhat.com>
1757 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1758 from 80 in try_locals code.
1759 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1761 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1763 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1764 gcc_AC_C_LONG_LONG): New.
1765 * configure.in: Use them. Probe the size of short, int, long,
1766 and long long/__int64 if we have them. Move all the AC_C_*
1767 checks together, except gcc_AC_C_CHAR_BIT which has to go
1768 after AC_CHECK_HEADERS(limits.h).
1769 Take hwint.h out of host_xm_file and build_xm_file.
1771 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1772 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1773 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1774 Move the HOST_WIDEST_INT setup logic here from system.h.
1775 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1776 defined.
1777 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1778 is now handled by hwint.h.
1780 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1781 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1782 config/ia64/xm-ia64.h: Don't define any of:
1783 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1784 HOST_BITS_PER_LONGLONG.
1786 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1787 config/h8300/xm-h8300.h, config/mips/iris6.h,
1788 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1789 config/sparc/xm-sp64.h: Delete.
1790 * config.gcc: Remove references to deleted files.
1792 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1793 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1794 * config/i370/xm-linux.h: Clarify floating-point situation in
1795 a comment.
1797 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1799 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1800 (find_include_file): Decide here which part of the include
1801 chain to start the search. Complain about an empty include
1802 chain in all cases apart from an abolsute file name.
1803 (_cpp_execute_include): Don't choose the search chain here.
1804 Don't call handle_missing_include in the case of an empty
1805 include chain.
1806 (_cpp_compare_file_date): Don't choose the search chain here.
1807 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1808 here from _cpp_execute_include. Behave like #include if
1809 we're in the main file.
1811 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1813 * system.h (malloc, realloc, calloc, strdup): Only poison these
1814 tokens when IN_GCC is defined.
1816 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1818 * i386.md (abs?f expander): Support SSE case.
1819 (abd?f_if): Add new "USE"; add splitters.
1821 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1823 * cpp.texi (poison): Explain the macro expansion exception.
1825 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1827 * expr.c (store_expr): Add dont_store_target. If temp is already in
1828 target before copying to reg, don't store it into target again.
1830 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1832 * cppinternals.texi: Update for file handling.
1834 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1836 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1837 2001-02-24 which broke building the Java library.
1838 * function.c (identify_blocks): Likewise.
1839 (all_blocks): Likewise.
1840 * integrate.c (integrate_decl_tree): Likewise.
1841 * print-tree.c (print_node): Likewise.
1842 * tree.h (BLOCK_NUMBER): Likewise.
1843 (struct tree_block): Likewise.
1845 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1847 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1848 __WCHAR_TYPE__ definition.
1849 (WCHAR_TYPE_SIZE): #undef before #define.
1851 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1853 * cppfiles.c: Update comments.
1854 (destroy_include_file_node): Rename destroy_node.
1855 (find_or_create_entry): New function.
1856 (open_file, _cpp_fake_include): Use it.
1857 (handle_missing_header): New function, broken out of
1858 _cpp_execute include. Don't segfault if there is no
1859 system or quoted path.
1860 (_cpp_execute_include): Use handle_missing_header.
1862 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1864 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1865 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1867 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1869 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1870 unless anti_dependence says they are.
1871 * alias.c (objects_must_conflict): If neither has a type specified,
1872 they must conflict.
1874 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1875 David Billinghurst <David.Billinghurst@riotinto.com>
1877 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1879 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1881 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1882 (*_one_bit): Remove type on the match_operand in attributes.
1884 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1886 * i386.c: Commit forgotten hunk in previous patch.
1887 (regclass_map): Add extended registers.
1888 (dbx_register_map): Add missing frame register.
1890 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1892 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1894 * i386.md (x86_sahf_1): Disable for 64bit.
1895 (popsi*, pophi*): Likewise.
1896 (pushqi, pushhi): Likewise.
1897 (movdi, pushdi): Likewise.
1898 (zero extend DImode splitter): Likewise.
1899 (adddi, minusdi splitter): Likewise.
1900 (umulsidi): Likewise.
1901 (umulsi): New.
1902 (mulsidi): Disable for 64bit
1903 (lshift:DI/ashift:DI): Disable for 64bit.
1904 (loop patterns): Likewise.
1905 (call_pop, call_value_pop expanders and patterns): Likewise.
1906 (prologue_get_pc): Likewise.
1907 (leave): Likewise.
1908 (fcmovDI pattern and splitter): Likewise.
1909 (movdfcc_1_rex64): New.
1911 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1913 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1914 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1915 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1916 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1917 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1918 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1919 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1920 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1921 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1922 (REGPARM_MAX): Set to 6 for x86_64.
1923 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1924 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1925 registers.
1927 * (patterns that does use upper halves): Update constraints
1928 'q' to 'Q' and 'r' to 'R'.
1929 (cmpqi_ext_1): Disable for 64bit.
1930 (cmpqi_ext_3_insn): Likewise.
1931 (movqi_extzv_1): Likewsie.
1932 (addqi_ext_1): Liekwsie
1933 (testqi_ext_1): Liekwsie
1934 (andqi_ext_1): Liekwsie
1935 (xorqi_ext_1): Liekwsie
1936 (cmpqi_ext_1_rex64): New.
1937 (cmpqi_ext_3_insn_rex64): Likewise.
1938 (movqi_extzv_1_rex64): Likewsie.
1939 (addqi_ext_1_rex64): Liekwsie
1940 (testqi_ext_1_rex64): Liekwsie
1941 (andqi_ext_1_rex64): Liekwsie
1942 (xorqi_ext_1_rex64): Liekwsie
1944 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1946 * configure.in: Move check for unsigned enumerated bitfields
1947 to macro in aclocal.m4. Disable it for now.
1948 * configure, config.in: Regenerate.
1949 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1950 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1951 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1952 kind above its first use.
1954 * config/xm-interix.h, config/alpha/xm-alpha.h,
1955 config/i370/xm-linux.h, config/i386/xm-beos.h,
1956 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1957 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1958 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1959 Don't define ONLY_INT_FIELDS under any circumstances.
1961 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1963 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1964 config/sparc/xm-sysv4.h: Delete - now identical with some
1965 other xm header.
1966 * config.gcc (hppa targets): Replace xm-pahpux.h and
1967 xm-papro.h with implicit xm-pa.h.
1968 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1969 xm-sparc.h.
1971 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1973 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1974 before reload_cse_noop_set_p.
1976 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1978 * config.gcc: Where xm-host.h used to include another
1979 xm-host.h, list the nested header directly in xm_file. Remove
1980 references to deleted files. Can now use sparc/xm-sp64.h for
1981 sparcv9-*-solaris*.
1983 * config/xm-linux.h, config/arm/xm-linux.h,
1984 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1985 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1986 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1987 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1988 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1989 Delete.
1991 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1992 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1993 bother to wrap #undef in #ifdef.
1994 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1995 Don't include xm-linux.h.
1996 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1998 * configure.in: Wrap regexps using [] in changequote block.
1999 Use expr : not echo | grep. Simplify regexps.
2000 * configure: Regenerate.
2002 56 xm-files remain, 22 xm-arch.
2004 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2007 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2008 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2009 (copy_object): Fix format specifier vs argument mismatch.
2011 * mips-tdump.c: Make local functions static.
2012 (rindex): Don't #undef.
2013 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2014 (fatal, fancy_abort): Delete.
2015 (read_seek): Avoid signed/unsigned compare.
2017 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2019 * combine.c (try_combine): Fix error in change to try original
2020 register.
2021 (gen_rtx_combine): Do same as gen_rtx for now.
2023 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2025 * configure.in: AC_SUBST xm_defines.
2026 * configure: Regenerate.
2027 * Makefile.in: Set DEFINES=$(xm_defines) when building
2028 tconfig.h.
2030 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2032 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2033 (cpp_included, find_include_file): Update.
2034 (_cpp_compare_file_date): Make else unconditional.
2036 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2038 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2040 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2042 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2043 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2045 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2047 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2048 if it's a record type.
2050 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2052 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2053 mingw includes slightly.
2055 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2057 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2058 #undef token before poisoning it.
2060 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * alpha.c (check_float_value): Use memcpy, not bcopy.
2064 * m32r.c (m32r_sched_reorder): Likewise.
2066 * vax.c (check_float_value): Likewise.
2068 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2070 * toplev.c (file_name_nondirectory): Remove.
2071 * toplev.h: Similarly.
2072 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2073 of file_name_nondirectory.
2075 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2077 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2078 * mips-tfile.c: Don't #undef rindex; not used.
2080 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2082 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2083 (dbx64_register_map): Declare.
2084 (RETURN_ADDR_RTX): Fix for 64bit.
2085 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2086 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2087 * i386.c (dbx64_register_map): New global array.
2088 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2089 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2090 for 64bits.
2092 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2094 * cppfiles.c (search_from): Use lbasename.
2095 * mkdeps.c (deps_add_default_target): Use lbasename.
2097 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2099 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2100 xcalloc in lieu of malloc, realloc & calloc.
2102 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2104 * gengenrtl.c (xmalloc): Likewise.
2106 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2107 really_call_* memory allocation routines.
2109 * stmt.c (check_for_full_enumeration_handling): Use
2110 really_call_calloc, not calloc.
2112 * system.h (really_call_malloc, really_call_calloc,
2113 really_call_realloc): Define.
2114 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2116 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2118 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2120 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2122 * configure: Rebuilt.
2123 * configure.in: Only use `lang_requires' for languages athat are
2124 actually enabled.
2126 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2128 * invoke.texi: Fix typo.
2129 * gcc.1: Regenerate.
2131 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2133 * configure.in: Prune nonexistent files from build_xm_file,
2134 xm_file, and host_xm_file lists. Warn unless they're
2135 $cpu/xm-$cpu.h.
2136 Don't generate *config.h here.
2137 AC_SUBST all variables needed to generate *config.h.
2138 * configure: Regenerate.
2139 * mkconfig.sh: New helper script, from code removed from
2140 configure.in.
2141 * Makefile.in: Zap all MALLOC variables - no longer used
2142 anywhere, and malloc.c doesn't exist.
2143 Substitute in variables needed to generate *config.h.
2144 Stop lying about the dependencies contained in CONFIG_H and
2145 GCONFIG_H.
2146 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2147 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2148 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2149 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2150 $(TM_P_H), etc. as appropriate.
2152 * config.gcc: Zap references to deleted files.
2153 * ggc-none.c: Don't include rtl.h or tm_p.h.
2155 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2156 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2157 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2158 config/i386/xm-linux.h, config/i386/xm-linux.h,
2159 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2160 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2161 Don't include i386/xm-i386.h.
2163 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2164 config/i386/xm-i386.h, config/i860/xm-i860.h,
2165 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2166 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2167 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2168 Delete (empty except comments, #includes of other deleted
2169 files, and macros used nowhere).
2171 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2173 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2174 independent on TARGET_FLAGS.
2176 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2178 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2180 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2181 extended ones.
2182 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2183 TARGET_64BIT.
2184 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2185 LAST_REX_SSE_REG): define.
2186 (enum reg_class): Add 'LEGACY_REGS'
2187 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2188 (SSE_REGNO_P): Recognize extended registers.
2189 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2190 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2191 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2192 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2193 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2194 REG_OK_FOR_STRREG_P): Remove.
2195 (HI_REGISTER_NAMES): Add extended registers.
2196 (ADDITIONAL_REGISTER_NAMES): Likewise.
2197 (QI_REGISTER_NAMES): Add 8bit extended registers.
2198 (DEBUG_REG): Support extended registers.
2199 * i386.c (regclass_map): Add extended registers.
2200 (dbx_register-map): Likewise.
2201 (svr4_dbx_register_map): Likewise.
2202 (print_reg): Support extended registers.
2203 (print_operand): Support 64bit operands.
2205 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2207 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2208 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2209 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2210 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2211 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2212 STACK_BOUNDARY): Set properly for 64bits.
2213 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2214 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2215 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2216 (MOVE_MAX): Set to 16.
2217 (MOVE_MAX_PIECES): 8 for 64bit.
2218 (Pmode): Set to SImode.
2220 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2222 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2224 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2226 * i386.h (mask_64bit): New constant.
2227 (target_64bit): New macro.
2228 (target_options): Add '64'/'32'
2229 (target_default): Define.
2230 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2231 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2232 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2234 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2236 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2238 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2240 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2241 LO_SUM unless for_alias is set.
2243 2001-03-08 Stan Shebs <shebs@apple.com>
2245 * objc/objc-act.c: Fix old typos in comments, add comments for
2246 various functions.
2247 (hash_init): Fix file name in error message.
2248 (hash_enter): Ditto.
2249 (hash_add_attr): Ditto.
2250 (continue_class): Ditto.
2252 2001-03-08 Bruce Korb <bkorb@gnu.org>
2254 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2255 wait4() can receive the signal.
2257 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2259 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2260 entities.
2261 * fixinc/fixincl.x: Regenerate.
2263 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2265 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2266 on Tru64 UNIX.
2267 * fixinc/fixincl.x: Regenerate.
2269 2001-03-08 Richard Henderson <rth@redhat.com>
2271 * configure.in (HAVE_AS_LEB128): New assembler check.
2272 * configure, config.in: Rebuilt.
2274 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2276 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2277 TFmode too.
2279 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2282 references to the MAXPATHLEN macro.
2284 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2285 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2286 the POSIX macro.
2288 * config/i386/xm-gnu.h, config/xm-gnu.h,
2289 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2290 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2291 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2292 and/or unused files.
2294 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2295 doing so in various xm-*.h files.
2297 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2299 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2301 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2303 * configure.in (enable_shared): Support per-package shared-library
2304 enabling.
2305 * configure: Rebuilt.
2307 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2309 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2310 for crnot. Set operands[5] in splitter.
2312 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2314 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2315 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2316 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2317 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2318 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2319 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2320 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2321 to the USG macro.
2323 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2324 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2325 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2326 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2327 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2328 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2329 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2330 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2331 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2332 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2333 Delete unused and/or empty files.
2335 * config.gcc: Define USG in xm_defines as appropriate. Define
2336 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2337 macro. Remove deleted xm-* files from $xm_files variable.
2339 2001-03-07 Tom Tromey <tromey@redhat.com>
2341 * configure: Rebuilt.
2342 * configure.in: Allow config-lang.in to set `lang_requires' to list
2343 of other required languages.
2345 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2347 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2348 after its emitted.
2349 (output_prologue): Use xmalloc not oballoc.
2350 (output_epilog): Free a29k_first_epilogue_insn when finished.
2351 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2353 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2355 * builtins.c (expand_builtin_mathfn): Check
2356 flag_unsafe_math_optimizations, not flag_fast_math.
2357 (expand_builtin): Likewise
2358 * combine.c (combine_simplify_rtx): Likewise.
2359 (simplify_if_then_else): Likewise.
2360 * cse.c (fold_rtx): Likewise.
2361 * flags.h: Remove flag_fast_math. Add
2362 flag_unsafe_math_optimizations and flag_trapping_math.
2363 * fold-const.c (negate_expr): Check
2364 flag_unsafe_math_optimizations, not flag_fast_math.
2365 (invert_truthvalue): Likewise.
2366 (fold): Likewise. Before associating operands, check that
2367 code == MULT_EXPR, not code != MULT_EXPR.
2368 * ifcvt.c (noce_try_minmax): Check
2369 flag_unsafe_math_optimizations, not flag_fast_math.
2370 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2371 * invoke.texi: Document -funsafe-math-optimizations and
2372 -fno-trapping-math. Change documentation for -ffast-math.
2373 * jump.c (reversed_comparison_code_parts): Likewise.
2374 (rtx_equal_for_thread_p): Likewise.
2375 * optabs.c (emit_conditional_move): Likewise.
2376 * simplify-rtx.c (simplify_binary_operation): Likewise.
2377 (simplify_relational_operation): Likewise.
2378 (simplify_ternary_operation): Likewise.
2379 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2380 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2381 Add trapping-math and unsafe-math-optimizations entries to f_options.
2382 (set_fast_math_flags): New, sets flags for -ffast-math.
2383 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2384 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2385 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2387 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2388 (alpha_emit_conditional_move): Initialize local_fast_math to
2389 flag_unsafe_math_optimizations, not flat_fast_math.
2390 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2391 instead of setting flag_fast_math to 1.
2392 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2393 not flag_fast_math.
2394 * config/i386/i386.c (override_options): Likewise
2395 * config/i386/i386.md: Likewise.
2396 * config/m68k/m68k.md: Likewise.
2397 * config/mips/mips.md: Likewise.
2398 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2399 (rs6000_generate_compare): Likewise.
2401 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2403 * Makefile.in: Set RANLIB to @RANLIB@.
2404 Remove RANLIB_TEST.
2406 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2408 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2409 * fixinc/fixincl.x: Regenerated.
2411 2001-03-07 Richard Henderson <rth@redhat.com>
2413 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2415 2001-03-07 Richard Henderson <rth@redhat.com>
2417 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2418 of block notes and exception handling notes.
2420 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2421 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2422 (compile_file): ... here.
2424 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2428 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2429 config.h now. Include libiberty.h to handle alloca.
2431 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2433 * c-parse.in (yylexname): New function, split out of _yylex.
2434 (objc_rid_sans_at): New table.
2435 (init_reswords): Initialize it.
2436 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2437 retrieving the next token and checking it for significance as
2438 an ObjC keyword or string constant.
2440 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2441 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2443 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2444 to CPP_OSTRING.
2446 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2448 * config/m68k/m68k.c (const_uint32_operand): Accept any
2449 const_int on a 32-bit host.
2451 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2453 * objc/objc-act.c (init_objc): Set save_lang_status,
2454 restore_lang_status, and mark_lang_status.
2456 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2458 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2460 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2462 * cppinternals.texi: Update.
2464 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2467 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2468 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2469 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2470 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2471 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2472 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2473 config/i386/xm-i386.h, config/i860/xm-i860.h,
2474 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2475 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2476 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2477 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2478 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2479 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2480 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2481 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2482 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2483 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2484 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2485 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2486 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2487 match the defaults provided in hwint.h.
2489 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2490 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2492 * config.gcc (xm_file): Don't set to files which are deleted.
2494 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2495 guard this file against these macros being undefined.
2497 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2499 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2500 and DECL_DEFER_OUTPUT on the decl we create, before calling
2501 rest_of_decl_compilation.
2503 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2505 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2506 AC_FUNC_ALLOCA.
2507 * configure, config.in: Regenerate.
2508 * config.gcc: Remove references to deleted files.
2510 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2511 genrecog.c, rtl.c: Do not use alloca anywhere.
2513 * Makefile.in, build-make, system.h, config/x-interix,
2514 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2515 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2516 config/arc/xm-arc.h, config/arm/xm-arm.h,
2517 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2518 config/h8300/xm-h8300.h, config/i370/x-oe,
2519 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2520 config/i386/x-ncr3000, config/i386/x-sco5,
2521 config/i386/xm-dgux.h, config/i860/x-sysv4,
2522 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2523 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2524 config/m68k/x-hp320g, config/m69k/x-mot3300,
2525 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2526 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2527 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2528 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2529 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2530 config/mips/x-iris, config/mips/x-iris3,
2531 config/mips/x-sni-svr4, config/mips/x-sysv,
2532 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2533 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2534 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2535 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2536 config/pa/xm-papro.h, config/romp/xm-romp.h,
2537 config/rs6000/x-aix31, config/rs6000/x-aix41,
2538 config/rs6000/x-beos, config/rs6000/x-lynx,
2539 config/rs6000/x-mach, config/rs6000/x-rs6000,
2540 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2541 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2542 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2543 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2544 config/vax/xm-vms.h: Eradicate all references to alloca and
2545 related stuff.
2547 * config/xm-alloca.h, config/clipper/x-clix,
2548 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2549 config/i860/x-sysv3, config/m88k/x-sysv3,
2550 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2551 (contained only alloca related hacks).
2553 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2554 USE_C_ALLOCA.
2556 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2558 * invoke.texi: Document __FAST_MATH__.
2560 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * crtstuff.c: Restore include of auto-host.h.
2564 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2566 Put main() in a separate file, so that the language
2567 front-end can use a different main().
2569 * main.c: New.
2570 * toplev.c: (main): Rename as toplev_main.
2571 * toplev.h: Declare toplev_main.
2572 * Makefile.in (OBJS): add toplev.o.
2573 (BACKEND): remove toplev.o, add main.o.
2575 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2577 * cppfiles.c (search_from): Special case the empty string.
2579 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2581 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2582 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2583 strlen or strcpy; we already know the length.
2584 (_cpp_compare_file_date): Similarly.
2585 * cpphash.h (struct cpp_reader): Delete done_initialising.
2586 (CPP_PREV_BUFFER): Delete.
2587 * cppinit.c (cpp_start_read): Don't set done_initialising.
2588 * cpplex.c (parse_string): Guarantee null-termination.
2589 (_cpp_equiv_toklists): Remove.
2590 * cpplib.c (glue_header_name): Null-terminate.
2591 (do_line): Don't leak memory.
2592 * cpplib.h (BT_WEAK): Delete.
2593 * cppmain.c (cb_ident): Strings are now null-terminated.
2595 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2597 * gcc.c (convert_filename): Append executable suffix
2598 if NO_AUTO_EXE_SUFFIX is not defined.
2599 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2600 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2602 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2604 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2605 * c-parse.gperf, c-gperf.h: Delete.
2606 (c-gperf.h was accidently re-added to the CVS repo in the rev
2607 1.16 commit by tromey)
2609 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2611 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2612 macro arguments when looking for the '('.
2613 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2614 2 when really parsing arguments; 1 when looking for '('.
2615 Always restore the lexer position.
2617 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2619 * longlong.h (umul_ppmm): Don't use a multiline string.
2621 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2623 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2624 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2625 t_bool in declaration because pcc can't combine volatile with typedef
2626 types.
2628 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2630 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2631 until when it is really needed.
2632 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2633 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2634 * i386.md (float?i?f splitter): Don't force source operand to memory
2635 for SSE.
2636 (sse_movdfcc): Fix constraint.
2637 (sse_movdfcc splitter): Handle properly the second alternative.
2639 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2641 * cpplex.c (parse_string): Unconditionally pedwarn.
2643 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2645 * cpp.texi: Update.
2646 * cppexp.c (parse_number): Update.
2647 * cpplex.c (parse_string): Pedwarn if multiline string does not
2648 result from a system header's macro.
2649 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2650 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2651 for function-like macros too.
2652 * c-lex.c (lex_number): Update.
2654 2001-03-03 Richard Henderson <rth@redhat.com>
2656 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2658 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2660 * combine.c (try_combine): If split with mode-changed scratch
2661 register didn't work, try the original mode.
2663 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2665 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2666 * config/c4x/c4x.h: Likewise.
2667 * stor-layout.c (compute_record_mode): Likewise.
2668 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2670 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2672 * configure.in: Kill tm.h. Include the files in the $tm_file
2673 list in all three of config.h, hconfig.h, tconfig.h, after the
2674 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2675 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2676 * configure: Regenerate.
2677 * Makefile.in (clean): Don't delete tm.h.
2679 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2680 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2681 those are not defined, set SEC and FEC to 0 and 1.
2682 * gcc.texi: Update to match.
2684 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2685 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2686 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2687 Include tconfig.h, not tm.h.
2689 * config/xm-lynx.h, config/xm-std32.h,
2690 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2691 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2692 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2693 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2694 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2695 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2696 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2697 config/i386/xm-i386.h, config/i860/xm-i860.h,
2698 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2699 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2700 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2701 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2702 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2703 config/pa/xm-linux.h, config/pa/xm-pa.h,
2704 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2705 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2706 config/pj/xm-pj.h, config/romp/xm-romp.h,
2707 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2708 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2709 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2710 config/v850/xm-v850.h, config/vax/xm-vax.h,
2711 config/we32k/xm-we32k.h:
2712 Don't include tm.h.
2713 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2715 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2716 config/i370/xm-oe.h: Don't include tm.h. Don't define
2717 SUCCESS_EXIT_CODE.
2718 * config/vax/xm-vms.h: Don't include tm.h.
2720 * config/xm-lynx.h, config/avr/xm-avr.h,
2721 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2722 Delete; made empty by above changes.
2723 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2724 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2725 Don't include config/xm-lynx.h or tm.h.
2727 * config/xm-gnu.h: Don't include fcntl.h.
2728 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2729 sys/wait.h.
2730 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2732 2001-03-02 Richard Henderson <rth@redhat.com>
2734 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2735 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2737 2001-03-02 Richard Henderson <rth@redhat.com>
2739 * Makefile.in (OBJS): Add dwarf2asm.o.
2740 * dwarf2asm.c, dwarf2asm.h: New files.
2741 * dwarf2out.c (*): Use them.
2742 (size_of_uleb128, size_of_sleb128): Remove.
2743 (output_uleb128, output_sleb128): Remove.
2744 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2745 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2746 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2747 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2748 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2749 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2750 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2751 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2752 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2753 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2754 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2755 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2756 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2757 (dwarf2out_frame_debug): Remove unused variables.
2758 (output_loc_operands): Don't abort on 8 byte constants if
2759 host integers are wide enough.
2760 (output_symbolic_ref): Remove.
2761 (size_of_die): Don't assume 4 byte host integers.
2762 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2763 and end labels.
2764 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2765 something stupid with HOST_WIDE_INT to long truncation.
2766 [CONST_DOUBLE]: Likewise.
2768 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2769 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2770 * config/arm/unknown-elf.h: Likewise.
2771 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2772 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2773 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2774 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2775 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2776 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2777 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2778 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2779 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2780 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2781 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2782 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2784 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2786 * cselib.c (hash_rtx): Cast enums to unsigned int.
2788 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2790 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2791 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2792 shifts.
2793 * c-format.c (C_STD_VER): Cast to int for comparisons.
2794 (check_function_format): Cast various enums to int for &.
2795 (maybe_read_dollar_number): Likewise.
2796 (check_format_info): Likewise.
2797 (check_format_info_main): Likewise.
2798 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2799 (safe_from_p): Likewise.
2800 * varasm.c (const_hash): Cast enum to int for %.
2801 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2802 pcc enum problems with < and ++ operators.
2803 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2804 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2805 (regclass_init): Change enum class to int to iterate over reg_classes.
2806 * genrecog.c (merge_trees): Cast enums for comparison.
2807 * rtl.h (GET_CODE): Cast to enum rtx_code.
2808 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2809 (GET_MODE): Cast to enum machine_mode.
2810 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2811 (GET_NOTE_INSN_NAME): Cast enum to int.
2812 * tree.h (TREE_CODE): Cast to enum tree_code.
2813 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2814 * timevar.c (timevar_print): Change loop variable id from enum to
2815 unsigned int.
2816 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2817 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2818 * toplev.c (compile_file): Cast enum DFI to int.
2819 (decode_d_option): Likewise.
2821 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2823 * cppinit.c (append_include_chain): Mark "after" include file name list
2824 as a system directory.
2825 * cpp.texi: Document new behavior.
2827 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2829 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2831 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2833 * cppfiles.c (struct include_file): Update.
2834 (stack_include_file): Use search_from.
2835 (cpp_included, find_include_file): Update.
2836 (cpp_execute_include): Update. ptr->name may not be
2837 null terminated. Use the new search_from member variable
2838 of cpp_buffer.
2839 (_cpp_compare_file_date): Similarly.
2840 (search_from): New function, similiar to actual_directory.
2841 (actual_directory): Delete.
2842 (remap_filename): Update. loc->name may not be null terminated.
2843 (struct file_name_list): Rename search_path. Update.
2844 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2845 search_from and dir.
2846 (struct cpp_reader): Remove actual_dirs.
2847 * cppinit.c (struct cpp_pending): Update for renamed objects.
2848 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2849 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2850 * cpplib.h (struct cpp_options): Similarly.
2852 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2854 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2855 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2856 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2857 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2858 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2859 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2860 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2861 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2862 config/i370/xm-oe.h, config/i386/xm-aix.h,
2863 config/i386/xm-i386.h, config/i386/xm-osf.h,
2864 config/i860/xm-i860.h, config/i960/xm-i960.h,
2865 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2866 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2867 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2868 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2869 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2870 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2871 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2872 config/pj/xm-pj.h, config/romp/xm-romp.h,
2873 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2874 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2875 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2876 config/v850/xm-v850.h, config/vax/xm-vax.h,
2877 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2878 Do not define TRUE or FALSE.
2880 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2881 empty by above change.
2882 * config.gcc: Remove references to these files.
2884 * configure.in: Detect stdbool.h.
2885 * configure, config.in: Regenerate.
2886 * system.h: Include stddef.h here if available.
2887 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2888 Then set up a sensible boolean type at the very end.
2890 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2891 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2893 * hash.h: Delete 'boolean' typedef and related #undefs.
2895 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2896 all uses of 'boolean' with 'bool'.
2898 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2900 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2901 * cppexp.c (lex): Cast enums for comparison.
2902 * cppinit.c (parse_option): Cast enum for comparison.
2903 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2904 (cpp_output_token): Likewise.
2905 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2906 (cpp_avoid_paste): Cast enums for minus and comparison.
2908 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2910 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2911 field to all array elements.
2913 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2915 * cpphash.h (struct cpp_reader): Add print_version field.
2916 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2917 just set print_version and other flags as appropriate.
2918 (cpp_post_options): Print version here if print_version is set.
2920 * toplev.c (exit_after_options): New flag.
2921 (independent_decode_option): Don't exit here; just set
2922 exit_after_options.
2923 (main): Exit after calling lang_hooks.post_options if
2924 exit_after_options is true.
2926 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2927 (merge_include_chains): Adjust comment to match code.
2929 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2931 * stringpool.c (set_identifier): New function.
2932 * tree.h: Prototype it.
2934 * c-parse.in: Kill D_YES. If compiled for objc, call
2935 save_and_forget_protocol_qualifiers from init_reswords.
2936 * objc/objc-act.c (remember_protocol_qualifiers,
2937 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2938 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2939 vice versa.
2940 (save_and_forget_protocol_qualifiers): New function.
2941 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2943 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2945 * c-semantics.c (prune_unused_decls): Return error_mark_node
2946 instead of (tree) 1 to stop traversing the tree chain.
2948 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2950 Fix a problem introduced by Kenner's Feb 18 change.
2951 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2952 flag_cse_skip_blocks only temporarily, not for ever.
2954 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2956 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2957 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2959 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2960 before determining its register class.
2962 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2964 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2965 from reg 4 if current_function_calls_setjmp.
2966 (gen_nop_type): New function.
2967 (ia64_emit_nops): New function.
2968 (ia64_reorg): Call it.
2969 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2971 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2972 code not to try to optimize adds with anything but a REG destination.
2974 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2975 (INSN_PRIORITY_KNOWN): New accessor macro.
2976 * haifa-sched.c (priority): Use it instead of testing priority against
2977 zero.
2979 2001-02-28 DJ Delorie <dj@redhat.com>
2981 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2982 since that doesn't work the way gcc wants on a generic m68k.
2984 2001-02-28 Richard Henderson <rth@redhat.com>
2986 * caller-save.c (save_call_clobbered_regs): Fix typo in
2987 comparison last change.
2989 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2991 * i386.c (pentium4_cost): New.
2992 (m_PENT4): New macro.
2993 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2994 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2995 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2996 x86_memory_mismatch_stall): Add Pentium4
2997 (x86_use_q_reg, x86_use_any_reg): Kill.
2998 (override_options): Add pentium4.
2999 (incdec_operand): Return 0 for pentium4.
3000 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3001 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3002 (TARGET_PENTIUM4): Define.
3003 (enum processor_type): Add PROCESSOR_PENTIUM4.
3004 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3005 * i386.md (attribute "cpu"): Add pentium4.
3006 * invoke.texi (march): Add pentium4.
3008 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3010 * i386.md (sse_mov?fcc*): New patterns and splitters.
3011 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3012 the SSE based conditional moves.
3014 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3016 * i386.md (attribute mode): Add "TI".
3017 (movsf_1): Add pxor support; remove constant propagation splitter.
3018 (movdf_integer): Likewise.
3019 (movdf_nointeger): Likewise.
3020 (movxf constant prop splitter): Handle all modes; update for SSE.
3021 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3022 * i386.c (standard_80387_constant_p): Rewrite.
3023 (standard_sse_constant_p): New.
3024 * i386-protos.h (standard_sse_constant_p): New.
3026 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3028 * i386.md (sse_setccsf, sse_setccdf): New.
3029 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3030 flag directly.
3031 * i386.c (sse_comparison_operator): Accept the supported unordered
3032 comparses; be ready for fast_math.
3033 (print_operand): Support 'D'.
3035 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3037 * jump.c (reversed_comparison_code): Kill.
3039 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3041 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3042 for STACK_REGS
3044 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3046 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3047 add missing '%' in constraints.
3049 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3051 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3052 for HOST_BITS_PER_WIDE_INT == 32 too.
3054 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3056 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3057 NREGS.
3058 (insert_save, insert_restore): New parameter save_mode.
3059 (init_caller_save): Update initialization of reg_save_code
3060 and reg_restore_code.
3061 (save_call_clobbered_regs): Compute save_modes and update calls to
3062 reg_save_code and reg_restore_code.
3063 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3064 of spill; update use of reg_restore_code.
3065 (insert_save): Likewise.
3066 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3067 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3068 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3070 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3072 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3073 noce_try_store_flag_inc, noce_try_store_flag_mask,
3074 noce_try_cmove_arith):
3075 Use reversed_comparison_code instead of reverse_comparison and
3076 can_reverse_comparison_p.
3078 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3080 * jump.c (reversed_comparison_code_parts): Allow reversal of
3081 unordered compares in -ffast-math mode; reverse ordered compares
3082 for FP even w/o -ffast-math.
3084 2001-02-27 Richard Henderson <rth@redhat.com>
3086 * print-rtl.c (print_rtx) [i]: Don't print field five on
3087 NOTEs other than NOTE_INSN_DELETED_LABEL.
3089 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3091 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3092 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3094 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3096 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3097 even if walk_subtrees is 0.
3098 * c-semantics.c (prune_unused_decls): Return a non-null value to
3099 stop traversing the tree chain.
3101 2001-02-27 DJ Delorie <dj@redhat.com>
3103 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3104 register, *then* define it as the new CFA.
3106 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3108 * pa.c (override_options): Promote -fpic to -fPIC.
3109 (legitimize_pic_address): Simplify due to removal of
3110 small PIC as a code generation option.
3111 (secondary_reload_class): Similarly.
3112 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3113 (PRINT_OPERAND_ADDRESS): Similarly.
3114 * pa.md (various patterns): Similarly.
3115 (small pic lo_sum pattern): Remove.
3117 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3118 Fergus Henderson
3120 * md.texi (min, max): Document
3122 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3124 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3125 TARGET_PARTIAL_REG_DEPENDENCY.
3126 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3128 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3130 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3132 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3134 * mips.c (mips_make_temp_file): Fix thinko in last change.
3136 2001-02-26 Jason Eckhardt <jle@redhat.com>
3138 * combine.c (known_cond): Do not reverse the condition when
3139 SMAX/UMAX is being considered and the condition is for equality
3140 or inequality.
3142 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3144 2001-02-26 Philip Blundell <philb@gnu.org>
3146 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3147 "armv2-*-linux".
3148 * config/arm/linux-elf.h: Remove historical relics related to
3149 above configurations.
3150 * config/arm/linux-oldld.h: Delete.
3151 * config/arm/linux-elf26.h: Delete.
3153 2001-02-26 Jason Merrill <jason@redhat.com>
3155 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3156 definitions.
3157 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3158 recognize a tentative definition. Lose obsolete code.
3160 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3161 variables unless necessary, either.
3163 2001-02-25 Richard Henderson <rth@redhat.com>
3165 * ifcvt.c (struct noce_if_info): Add test_bb.
3166 (noce_get_alt_condition): New.
3167 (noce_try_minmax, noce_try_abs): New.
3168 (noce_operand_ok): New.
3169 (noce_process_if_block): Use them.
3170 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3172 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3174 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3175 include.
3177 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3179 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3180 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3181 properly.
3182 (mips_asm_file_end): Free temp_filename here.
3184 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3186 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3187 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3189 * config/i386/i386.md (movstrsi): Handle FAIL case.
3191 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3193 * cppinit.c (builtin_array): Update.
3194 (init_builtins): Flag builtins to warn if redefined or
3195 undefined. Define __GXX_WEAK as a normal macro.
3196 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3197 * cpplib.h (NODE_WARN): New flag.
3198 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3199 Handle __STDC__ as a builtin only on Solaris.
3200 (warn_of_redefinition): Renamed from check_macro_definition.
3201 Reverse sense of test. Always warn if NODE_WARN.
3202 (_cpp_create_definition): Use warn_of_redefinition. Flag
3203 any macro beginning with "__STDC_" to require a mandatory
3204 warning if redefined or undefined.
3206 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3208 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3209 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3210 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3211 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3212 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3213 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3214 Don't define any of:
3215 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3216 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3217 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3218 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3219 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3221 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3222 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3223 definitions.
3225 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3226 Delete now-empty file.
3228 * alpha/vms.h: Define NEED_ATEXIT here...
3229 * alpha/xm-vms.h: ...not here.
3231 * i386/cygwin.h: Don't define PARAMS.
3232 * mips/mips.c: Don't prototype mktemp. Don't define
3233 P_tmpdir. Use make_temp_file to create temporary files.
3234 Don't be clever and delete temporary files early.
3235 * config.gcc: Drop references to deleted files. Don't define
3236 FULL_PROTOTYPES.
3237 * gcc.texi: Don't mention USE_PROTOTYPES.
3239 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3241 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3242 (ix86_set_move_mem_attrs_1): Likewise.
3243 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3244 * config/i386/i386.md (movstrsi): Call it.
3246 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3248 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3249 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3250 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3251 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3253 (i750a-*-*): Error here if hosting on i750a.
3254 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3256 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3257 Remove (empty modulo comments).
3259 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3260 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3261 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3262 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3263 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3264 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3266 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3267 Remove reference to winnt.h in comment.
3268 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3270 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3272 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3273 used to set another biv.
3275 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3277 * tree.h (BLOCK_DEAD): New macro.
3278 (struct tree_block): New flag, dead_flag.
3279 * print-tree.c (print_node, case 'b'): Print missing fields.
3280 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3281 * function.c (identify_blocks): Enable test for misplaced notes.
3282 (all_blocks): Skip BLOCK_DEAD blocks.
3283 * integrate.c (integrate_decl_tree): Likewise.
3285 * errors.c (internal_error, trim_filename): New functions.
3286 (fancy_abort): Call internal_error.
3287 * errors.h (internal_error, trim_filename): New declarations.
3289 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3291 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3292 2000-08-26's patch.
3293 (EXTRA_CONSTRAINT): Formatting changes.
3295 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3297 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3299 2001-02-23 Per Bothner <per@bothner.com>
3301 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3302 so they can be called from java/jvspec.c.
3303 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3305 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3307 * i386.c (ix86_frame): New structure.
3308 (ix86_compute_frame_size): Kill.
3309 (ix86_compute_frame_layout): New.
3310 (ix86_save_reg): New.
3311 (ix86_can_use_return_insn_p): Use frame layout stuff.
3312 (ix86_expand_prologue): Likewise.
3313 (ix86_expand_epilogue): Likewise.
3314 (ix86_initial_elimination_offset): Likewise.
3315 (ix86_nsaved_regs): Use ix86_save_reg.
3316 (ix86_emit_save_regs): Likewise.
3318 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3320 * flow.c (find_sub_basic_blocks): New function.
3321 (split_block): Be ready for basic block introduced by CODE_LABEL.
3322 (commit_one_edge_insertion): Call find_sub_basic_block.
3324 * flow.c (make_edges): Add edge from entry for blocks starting with
3325 label having ALTERNATE_NAME
3327 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3329 * function.c (epilogue_done): Be ready for first basic block not
3330 containing PROLOGUE_END note.
3331 (reposition_prologue_and_epilogue_notes): Avoid placing
3332 PROLOGUE_END note between BASIC_BLOCK.
3334 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3336 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3338 2001-02-21 DJ Delorie <dj@redhat.com>
3340 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3341 check for current_function_has_nonlocal_goto from 1999-11-12.
3343 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3345 * diagnostic.c (trim_filename): No longer static.
3346 * toplev.h (trim_filename): Declare.
3347 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3348 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3349 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3350 (rtvec_check_failed_bounds): Likewise.
3351 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3353 * convert.c (convert_to_integer): Don't do unsigned unless result or
3354 both inputs are unsigned.
3356 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3357 input overflows.
3359 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3361 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3363 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3365 * Makefile.in (resource.o): Add params.h dependence.
3366 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3367 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3368 * resource.c: Add dependence on params.h.
3369 (current_live_regs): Fix explanatory comment.
3370 (find_basic_block): Add new parameter to permit limiting search
3371 for a BARRIER.
3372 (mark_target_live_regs): Add new argument to find_basic_block call.
3373 (incr_ticks_for_insn): Likewise.
3375 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3377 * diagnostic.c (output_to_stream): Rename to
3378 output_buffer_to_stream. Loses the stream parameter.
3379 (init_output_buffer): Set diagnosic_buffer's stream.
3380 (flush_diagnostic_buffer): Adjust.
3381 (default_print_error_function): Likewise.
3382 (finish_diagnostic): Likewise.
3383 (verbatim): Likewise.
3385 * diagnostic.h (struct output_buffer): Add `stream' field.
3386 (output_buffer_attached_stream): New macro.
3388 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3390 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3391 check if either operand is divisible by C.
3392 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3393 If type is signed, consider negative numbers as well.
3395 2001-02-22 Richard Henderson <rth@redhat.com>
3397 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3398 reach .text instead of gp-relative relocs.
3399 * config/ia64/crtend.asm (.init): Likewise.
3401 2001-02-22 Andreas Jaeger <aj@suse.de>
3403 * extend.texi (C++ Attributes): Fix typo.
3405 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3407 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3408 functions, drop current_function_args_info.words test.
3409 (ia64_compute_frame_size): Mark syscall_linkage functions as
3410 using eight input registers.
3412 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3413 Bruce Korb <bkorb@gnu.org>
3415 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3416 * fixinc/README: Document how to convert sed substitutions
3417 to format style c_fix-es.
3418 * fixinc/fixincl.x: regen
3420 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3422 * gcc.c: Add comment explaining how to add a command-line option.
3423 Add title to specs language comment.
3425 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3427 * gcc.c (cc1_options): Add "-param".
3428 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3429 (option_map): Likewise.
3430 * toplev.c (display_help): Add entry for "--param".
3431 (independent_decode_option): Fix typographical error.
3433 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3434 Bernd Schmidt <bernds@redhat.com>
3435 Jan Hubicka <jh@suse.cz>
3437 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3438 (function_arg): Likewise.
3440 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3442 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3444 2001-02-21 Kazu Hirata <kazu@hxi.com>
3446 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3447 character.
3448 (xorsi3): Likewise.
3450 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3452 * flow.c (init_propagate_block_info): Canon address and use single_set
3453 for killing dead memory stores.
3455 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3457 * Makefile.in (reorg.o): Add params.h dependence.
3458 * params.def: Fix typographical error in comment.
3459 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3460 * params.h: Modify introductory comment.
3461 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3462 * reorg.c: Add dependence on params.h.
3463 (redundant_insn): Add parameterized throttle for search.
3464 (fill_simple_delay_slots): Add a comment explaining a variable.
3465 Move conditional out of loop, simplifying code.
3466 (fill_eager_delay_slots): Fix typographical error in comment.
3468 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3470 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3472 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3473 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3475 2001-02-21 Jason Merrill <jason@redhat.com>
3477 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3478 (struct tree_decl): Add uninlinable bitfield.
3479 * c-decl.c (duplicate_decls): Set it.
3480 * integrate.c (function_cannot_inline_p): Check it.
3482 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3483 DW_AT_MIPS_linkage_name to abstract methods.
3484 (dwarf2out_abstract_function): Emit class context before calling
3485 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3486 (gen_subprogram_die): Remove obsolete code.
3487 (gen_member_die): Don't include clones in the member list.
3488 (gen_decl_die): Emit abstract info for clone origin.
3489 * dwarfout.c (output_type): Don't include clones in the member list.
3490 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3491 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3492 DECL_ABSTRACT on a function that already has it set.
3494 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3495 (get_subprogram_die): Pass it in.
3497 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3499 * flow.c (mark_set_1): Make not_dead unsigned long. For
3500 non-pseudos, use it as a bitmask of the hard regs that
3501 don't die.
3503 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3505 * cppfiles.c: Update comments.
3506 (_cpp_read_file): Don't check for NULL filenames any more.
3507 * cppinit.c (cpp_start_read): Don't do canonicalization of
3508 in_fname and out_fname. Use the passed file name exclusively.
3509 (_cpp_handle_options): Don't treat "-" as a command line option,
3510 but as a normal filename.
3511 (_cpp_post_options): Canonicalize in_fname and out_fname.
3512 * cppmain.c (printer_init): Don't check out_fname for NULL.
3513 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3514 (init_c_lex): Update, and use "" to represent stdin to CPP.
3515 (yyparse): Update.
3517 2001-02-20 Will Cohen <wcohen@redhat.com>
3519 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3520 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3521 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3522 fixunstfsi_libfunc.
3524 2001-02-20 Stan Shebs <shebs@apple.com>
3526 * config/rs6000/rs6000.c (output_cbranch): Output branches
3527 on separate lines instead of using ';' to separate.
3529 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3531 * cppinit.c (set_lang): Move builtin handling to...
3532 (init_builtins): ...here.
3533 (_cpp_create_reader): Move call to set_lang.
3535 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3537 * stmt.c (expand_return): If an attempt is made to return the
3538 error_mar_node, treat the return like a return without a value.
3540 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3542 * sibcall.c (skip_copy_to_return_value): Call
3543 identify_call_return_value here, and return orig_insn if it
3544 returns zero. Hardret and softret arguments now unnecessary.
3545 (call_ends_block_p): Don't call identify_call_return_value here.
3547 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3548 's' slots in RTXen.
3549 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3550 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3552 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3554 * pa.c (move_operand): Accept code to load the address of a
3555 symbol out of the DLT as a valid move operand.
3556 (print_operand, case 'A'): New to handle generating a DLT
3557 reference for a LO_SUM expression.
3558 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3559 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3561 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3563 * README, cpp.texi, gcc.texi, version.c: Update version number to
3564 3.1.
3565 * cpp.1, gcov.1, gcc.1: Regenerate.
3567 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3569 * cppfiles.c (stack_include_file): Generate dependencies
3570 here, and manage include_count here too.
3571 (PRINT_THIS_DEP): Delete.
3572 (_cpp_execute_include): Do not generate dependencies here,
3573 apart from the case of a missing header. Do not manage
3574 include_count.
3575 (_cpp_read_file): Leave dependency generation to
3576 stack_include_file.
3578 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3580 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3581 target_cpu_default. Remove dead assignment to
3582 target_cpu_default.
3584 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3586 * regclass.c (contains_reg_of_mode): Make global.
3587 (init_reg_sets): Remove contains_reg_of_mode; take into account
3588 CLASS_MAX_NREGS when looking for the proper mode.
3589 (dump_regclass): Dump only classes considered for the pseudo.
3590 (regclass): Use contains_reg_of_mode.
3592 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3594 * gcc.c (do_spec_1): 'n' for printing notices.
3595 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3597 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3599 * reg-stack.c (next_flags_user): Use current_block->end
3600 (swap_rtx_condition): Look for next user if flags don't die;
3601 give up on CALL_INSNs; use current_block->end.
3603 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3605 * sibcall.c (call_ends_block_p): New function.
3606 (optimize_sibling_and_tail_recursive_call): Use it.
3608 2001-02-18 Kazu Hirata <kazu@hxi.com>
3610 * config/h8300/h8300.md: Update copyright.
3611 (andsi3): Do not output an extra newline character.
3613 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3615 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3616 FNDECL may be unused.
3618 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3619 follow jumps after first run.
3620 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3621 it doesn't change any jumps.
3623 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3625 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3626 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3627 (mostlyclean): Corresponding changes.
3628 * rtlanal.c (hard-reg-set.h): Include.
3629 (rtx_unstable_p): Do not treat the argument pointer specially
3630 if it is not a fixed register.
3631 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3633 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3635 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3636 against last real insn in basic block.
3637 Rework to avoid gotos.
3639 * Makefile.in (gcse.o): Now includes ggc.h.
3640 * gcse.c: Include ggc.h.
3641 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3642 (try_replace_reg): Remove warning of uninitialize variable.
3643 (process_insert_insn): Call invalid_insn_p to validate insn.
3644 * recog.c (insn_invalid_p): Now global.
3645 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3646 * recog.h (insn_invalid_p): New declaration.
3648 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3650 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3651 assignments from FP constants since 'Y' output code can't handle it.
3652 (eligible_for_sibcall_delay): Likewise.
3654 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3655 Call fancy_abort directly, passing args.
3656 (print_rtl_and_abort): Now a macro, like fancy_abort.
3658 * final.c (output_operand_lossage): Use internal_error, not error.
3660 2001-02-18 Shane Nay <shane@agendacomputing.com>
3662 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3663 structure shift insns.
3665 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3667 * invoke.texi (-fsquangle): Remove documentation.
3668 (-fname-mangling-version): Likewise.
3670 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3672 * optabs.c (expand_abs): Remove reference to
3673 HAVE_contitional_arithmetic.
3674 * combine.c (simplify_set): Likewise.
3676 2001-02-18 Richard Henderson <rth@redhat.com>
3678 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3679 would be disrupted.
3681 2001-02-18 Richard Henderson <rth@redhat.com>
3683 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3685 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3687 * reload1.c (reload_cse_simplify_set): Fix typo.
3689 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3691 * diagnostic.c (_fatal_insn): Decrement errorcount.
3693 * invoke.texi (-I): Add note avoiding use for system header files.
3695 * rtl.h (add_clobbers): Remove duplicate declaration.
3696 * recog.h (added_clobbers_hard_reg_p): New declaration.
3697 * genemit.c (struct clobber_pat): New field has_hard_reg.
3698 (gen_insn): Record if added clobbers clobber hard reg.
3699 (gen_split): Avoid unused warning if number of operands is 0.
3700 (output_added_clobbers_hard_reg_p): New function.
3701 (main): Call it.
3703 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3705 * pa.c (hppa_expand_prologue): Simplify code storing return
3706 pointer. For large (>=8k) frames with a post_store, adjust stack
3707 pointer by 8k-64 first rather than by 64. When testing with
3708 VAL_14_BITS_P, always use the actual value rather than the value
3709 negated. Add blockage to prevent scheduling of spills before
3710 stack frame has been created.
3711 (hppa_expand_epilogue): Simplify code loading return pointer.
3712 Allow a slightly larger range for merge_sp_adjust_with_load case.
3713 When testing with VAL_14_BITS_P, always use the actual value.
3715 * pa.c (pa_adjust_insn_length): Check that block move
3716 pattern is a set before looking at operands.
3718 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3720 * fold-const.c (fold_binary_op_with_conditional_arg): New
3721 function, split out from ...
3722 (fold): ... here.
3723 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3724 conditional arms that throw exceptions.
3726 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3727 looking at a BLOCK.
3729 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3731 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3732 define HAVE_DECL_* to 1 to mask potential backup declarations.
3733 * configure: Regenerated.
3735 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3737 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3739 2001-02-17 Richard Henderson <rth@redhat.com>
3741 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3742 when replacing a memory load with a register.
3744 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3745 Jan Hubicka <jh@suse.cz>
3747 * recog.c (validate_replace_src_1): New.
3748 (validate_replace_src_data): Likewise.
3749 (validate_replace_src): Use note_uses.
3750 * rtl.h (note_uses): Declare.
3751 * rtlanal.c (note_uses): New.
3753 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3755 * reg-stack.c (stack_def): Make field reg unsigned.
3756 (remove_regno_note): Unsignetize parameter.
3758 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3760 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3761 shladd_operand() call.
3763 2001-02-16 Bruce Korb <bkorb@gnu.org>
3764 Rodney Brown <RodneyBrown@mynd.com>
3766 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3767 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3768 machine restrictions
3769 * fixinc/fixincl.x: regen
3771 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3773 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3774 Don't CSE a nop.
3775 (hash_scan_insn): Clean up calls to hash_scan_set.
3776 (compute_kill_rd): REGNO now unsigned.
3777 (try_replace_reg): Rework to use simplify_replace_rtx.
3778 (cprop_jump, cprop_cc0_jump): Likewise.
3779 (cprop_insn): Call find_reg_equal_equiv_note.
3780 Reflect changes to cprop_jump and cprop_cc0_jump.
3782 * recog.c (validate_replace_src): Replace in operands of
3783 ZERO_EXTRACT in SET_DEST.
3785 * cse.c (new_label_ref): New variable.
3786 (insert): Set it instead of recorded_label_ref.
3787 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3788 CODE_LABEL for this function, and not already in REG_LABEL note.
3790 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3792 * resource.c (mark_referenced_resources): Fix typo in introductory
3793 comment.
3794 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3795 string constant.
3797 2001-02-16 Jason Merrill <jason@redhat.com>
3799 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3800 NULL.
3801 (gen_subprogram_die): Don't abort on seeing a second definition if
3802 the previous one was abstract. Don't replace an abstract instance
3803 in the lookup table.
3805 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3806 gen_abstract_function.
3807 * dwarf2out.h: Declare it.
3808 * toplev.c (note_outlining_of_inline_function): New fn.
3809 * toplev.h: Declare it.
3810 * integrate.c (output_inline_function): Call it.
3811 * c-decl.c (duplicate_decls): Call it when redefining an extern
3812 inline. Don't inline the new defn.
3814 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3816 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3818 * .gdbinit: Rename to gdbinit.in.
3819 * gdbinit.in: New file,
3820 * configure.in: Generate .gdbinit from gdbinit.in.
3821 * configure: Regenerated.
3822 * Makefile.in (distclean): Always remove .gdbinit.
3824 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3826 * objc/objc-act.c (start_class): Register implemented_classes with
3827 GC.
3829 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3831 * cppfiles.c (_cpp_make_system_header): Generate a file
3832 change callback.
3834 2001-02-15 Jim Meyering <meyering@lucent.com>
3836 * Makefile.in (install-common): Don't depend on installdirs here.
3837 Instead, make each of the lang.install-common targets (e.g.,
3838 c++.install-common in cp/Make-lang.in) depend on it.
3839 (install-driver): Depend on installdirs.
3841 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3845 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3846 do in memory.
3848 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3850 * invoke.texi (--param): Document.
3852 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3854 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3856 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3858 * i386.md (extendsfdf2_2): Fix constraints.
3860 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3862 * i386.md (fop_df_3 splitter): Fix operand number.
3864 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3866 * invoke.texi (-mreg-alloc): Nuke.
3867 * i386.c (ix86_reg_alloc_order, regs_allocated,
3868 order_regs_for_local_alloc): Nuke.
3869 (override_options): Kill reg_alloc code.
3870 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3871 (REG_ALLOC_ORDER): SSE goes before I387.
3872 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3873 (ix86_reg_alloc_order): Likewise.
3874 * i386-protos.h (ix86_reg_alloc_order): Kill.
3876 2001-02-14 Richard Henderson <rth@redhat.com>
3878 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3880 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3882 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3884 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3886 * i386-protos.h (ix86_memory_move_cost): Move offline.
3887 * i386.c (ix86_register_move_cost): Compute properly cost of
3888 SSE, MMX and i387 instructions.
3889 (*_cost): Add costs of SSE/MMX moves.
3890 (ix86_memory_move_cost): Move offline from ....; Likewise.
3891 * i386.h (MEMORY_MOVE_COST): .... here;
3892 (struct processor costs): Add new fields to represent costs
3893 of SSE/MMX moves.
3895 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3897 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3898 move_cost together with Matt Kraai's fix.
3900 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3902 * Makefile.in (OBJS): Add params.o.
3904 2001-02-14 Richard Henderson <rth@redhat.com>
3905 DJ Delorie <dj@redhat.com>
3907 * jump.c (jump_optimize_1): When we delete a conditional jump
3908 preceeding a non-conditional jump to effectively the same place,
3909 make sure that the combined jump skips any clobber insns between
3910 the two labels.
3912 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3914 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3916 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3918 * Makefile.in (toplev.o): Depend on params.h.
3919 (intergate.o): Likewise.
3920 (params.o): New target.
3921 * flags.h (inline_max_insns): Remove.
3922 * integrate.c: Include params.h.
3923 Use MAX_INLINE_INSNS instead of inline_max_insns.
3924 * params.c: New file.
3925 * params.h: Likewise.
3926 * params.def: Likewise.
3927 * toplev.c: Include params.h.
3928 (lang_independent_params): New variable.
3929 (decode_f_option): Use the param machinery instead of setting
3930 max_inline_insns.
3931 (independent_decode_option): Handle "--param name=value".
3932 (main): Register language-independent parameters.
3934 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3936 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3938 2001-02-14 Richard Henderson <rth@redhat.com>
3940 * regclass.c (init_reg_sets_1): Revert last two changes.
3942 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3944 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3945 (variable_size): Call put_pending_size.
3946 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3947 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3948 sizes list, put newly created SAVE_EXPR there as well.
3950 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3952 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3953 (errata_find_address_regs): load_group has only 2 entries.
3954 (errata_emit_nops): Likewise. shladd is not problematic.
3955 Clear last_group if nop was emitted.
3956 (fixup_errata): load_group has only 2 entries.
3957 Optimize.
3959 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3961 * c-lex.c (lex_number): Only warn traditionally for U suffix
3962 outside system macros.
3963 * cppexp.c (parse_number): Similarly.
3964 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3965 * cppmacro.c (struct cpp_macro): New member node.
3966 (parse_args): Only warn about missing rest args if not
3967 a system macro.
3968 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3969 (cpp_sys_objmacro_p): New.
3970 (_cpp_create_definition): Store the node with the macro defn.
3971 Remember if the macro is defined in a system header.
3973 2001-02-13 DJ Delorie <dj@redhat.com>
3975 * configure.in (check_languages): determine languages to check
3976 * Makefile.in (check-c++): alias for check-g++
3977 (check-f77): alias for check-g77
3978 (CHECK_TARGETS): depend on configured languages
3980 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3982 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3983 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3984 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3985 (sqrtextendsfdf2): Disable for SSE2.
3987 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3989 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3990 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3991 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3992 (sqrtextendsfdf2): Disable for SSE2.
3994 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3996 * i386.md (movsfcc_1): Support integer cmove instruction.
3997 (movdfcc_1): Likewise; new splitter.
3999 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4001 * i386.c (output_fp_compare): Support SSE.
4002 (prepare_fp_compare_args): SSE comparisons always support memory.
4003 * i386.h (TARGET_CMOVE): SSE imply cmove.
4004 * i386.md (cmp?f2): Enable for SSE too.
4005 (cmpfp_i*): Support SSE.
4006 (cmpfp_i_sse): New.
4007 (cmpfp_i_sse_only): New.
4008 (s*, b* fp expanters): Enable for SSE too.
4009 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4010 New patterns.
4012 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4014 * regclass.c (init_reg_sets_1): Silence warning.
4016 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4018 * i386.md (sqrt?f2): Change to expander.
4019 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4021 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4023 * rtlanal.c (find_reg_equal_equiv_note): New function.
4024 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4025 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4026 * rtl.h: Add declarations for above functions.
4028 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4030 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4031 conditionals.
4032 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4033 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4034 * flow.c (mark_regs_live_at_end): Likewise.
4035 (calculate_global_regs_live): Likewise.
4036 * gcse.c (compute_hash_table): Likewise.
4037 (compute_kill_rd): Likewise.
4038 * resource.c (mark_target_live_regs): Likewise.
4039 * rtl.h (INVALID_REGNUM): New macro.
4041 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4043 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4045 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4047 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4048 for SSE.
4050 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4052 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4053 too.
4054 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4055 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4056 (fop_sf_1_sse, fop_df_1_sse): New patterns
4057 (fop_*): Disable float_extend and float patterns for SSE compilation.
4058 * i386.c (output_387_binary_op): Support SSE.
4060 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4062 * i386.md (dummy_extendsfdf2): Support SSE2
4063 (extendsfdf2): Enable if 80387 or SSE2.
4064 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4065 and no MIX_I387_SSE2
4066 (extendsfdf2_1_sse_only): New pattern.
4067 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4068 of SSE.
4069 (truncdfsf2_1): Support SSE.
4070 (truncdfsf2_2): Support SSE.
4071 (truncdfsf2_2_1_sse): New pattern.
4072 (fixtruncsfsi2): Always use SSE if available.
4073 (fix_truncsfsi_sse): New pattern.
4074 (fix_truncdfsi_sse): New pattern.
4075 (floatsis?f2): Support SSE.
4076 (floatsidf2_i387): New pattern.
4077 (floatsidf2_sse): Likewise.
4079 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4081 * configure.in: Use "have_gnat" variable, not "gnat".
4082 * configure: Regenerated.
4084 * config/sparc/sparc.c (function_value): Treat all non-record
4085 aggregate types like used to treat UNION_TYPE.
4087 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4089 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4090 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4091 (MASK_SSE2): New.
4092 (MASK_MIX_SSE_I387): New.
4093 (TARGET_SSE): SSE2 imply SSE.
4094 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4095 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4096 (enum reg_class): Add new classes.
4097 (REG_CLASS_NAMES): Likewise.
4098 (REG_CLASS_CONTENTS): Likewise.
4099 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4100 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4101 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4102 (CLASS_MAX_NREGS): Use new macros.
4103 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4104 * i386.md (pushsf, movsf): Support SSE.
4105 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4106 splitters to use ANY_FP_REGNO_P.
4107 (movdf_nointeger, movdf_integer): Likewise.
4109 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4111 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4112 (try_combine): Use it.
4114 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4116 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4117 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4118 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4119 (REGISTER_MOVE_COST): Likewise.
4120 * i386-protos.h (ix86_secondary_memory_needed,
4121 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4122 * i386.c (ix86_secondary_memory_needed,
4123 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4125 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4127 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4128 (HARD_REGNO_MODE_OK): Move offline to ....
4129 * i386.c (ix86_hard_regno_mode_ok) ... here;
4130 refuse all incorrect modes.
4131 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4133 2001-02-13 Richard Henderson <rth@redhat.com>
4135 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4136 entire operator; replicate that and match_dup the operands.
4137 (cmp_ccx_arith_op_set): Likewise.
4138 (cmp_cc_arith_op_not_set): Likewise.
4139 (cmp_ccx_arith_op_not_set): Likewise.
4141 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4143 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4145 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4147 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4148 (TARGET_NO_BITFIELD_WORD): New macro.
4149 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4150 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4152 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4154 * cselib.c: New file, from simplify-rtx.c.
4155 * simplify-rtx.c: Remove cselib parts.
4156 * Makefile.in: Add cselib.o.
4158 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4160 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4161 (setup_incoming_varargs): Remove warning.
4163 * config/rs6000/rs6000.c (validate_condition_mode): When
4164 flag_fast_math, allow floating-point conditionals to be reversed.
4165 (rs6000_generate_compare): When flag_fast_math, don't generate
4166 cror operations for FP conditionals.
4168 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4169 -mcall-i960.
4170 (ASM_SPEC): Likewise.
4171 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4172 (CC1_SPEC): Likewise.
4173 (LINK_TARGET_SPEC): Likewise.
4174 (CPP_ENDIAN_SPEC): Likewise.
4175 * Makefile.in (check-consistency): New target.
4177 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4179 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4180 "return type defaults" warning for functions with return type
4181 defaulting to int.
4182 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4183 function declarations by default rather than only when pedantic.
4185 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4187 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4188 arrays.
4190 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4192 * extend.texi (Deprecated): Deprecate new initializer lists.
4194 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4196 * mkdeps.c (deps_add_default_target): Robustify. Add
4197 basename component only.
4198 * cpp.texi (-M): Describe how default target is generated.
4199 * invoke.texi (-M): Likewise.
4201 2001-02-12 Kazu Hirata <kazu@hxi.com>
4203 * toplev.c (push_float_handler): Remove.
4204 (pop_float_handler): Remove.
4205 * toplev.h: Remove prototypes for the above functions.
4207 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4209 * c-common.c (constant_fits_type_p): New function.
4210 (convert_and_check): Use it.
4212 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4214 * Makefile.in (GXX_ABI_FLAG): Don't define.
4215 * configure.in (--enable-new-gxx-abi): Remove option.
4216 * config.in: Regenerated.
4217 * configure: Likewise.
4219 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4221 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4222 basic block.
4223 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4224 regular basic block, and arrange for all edges into it to switch
4225 to normal mode.
4227 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4229 * Makefile.in (distclean): Do not remove .gdbinit.
4231 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4233 * Makefile.in (gcc.o): Fix typos.
4234 (protize.o): Likewise.
4235 (unprotoize.o): Likewise.
4237 2001-02-11 Richard Henderson <rth@redhat.com>
4239 * tree.c (build1): Check for null operand in last change.
4241 2001-02-11 Richard Henderson <rth@redhat.com>
4243 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4244 (fold): Don't assume a constant isn't foldable.
4245 * tree.c (build): Set TREE_CONSTANT for an expression with no
4246 side-effects and constant operands.
4247 (build1): Likewise.
4249 2001-02-10 Richard Henderson <rth@redhat.com>
4251 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4253 2001-02-10 Anthony Green <green@redhat.com>
4255 * cpp.texi (Standard Predefined): Add documentation for
4256 __OPTIMIZE_SIZE__.
4258 * c-common.c (combine_strings): Improve warning message.
4260 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4262 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4263 --oformat.
4264 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4266 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4268 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4269 CYGWIN_CROSS_DIR.
4271 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4273 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4274 fp_mode attribute.
4276 2001-02-09 Nick Clifton <nickc@redhat.com>
4278 * config/arm/arm.md: Change output contraint on post inc
4279 load/store multiple patterns to be a read/write contraint.
4281 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4283 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4284 .o files when using the -M options.
4286 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4287 David Edelsohn <edelsohn@gnu.org>
4289 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4290 handle DImode constants. Use one TOC entry for SImode and smaller
4291 constants, aligned properly.
4293 2001-02-08 Jason Merrill <jason@redhat.com>
4295 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4296 about the SP adjustment for saving the static chain pointer.
4297 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4298 offset when setting a temporary CFA register.
4300 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4302 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4303 powerpc-*-chorusos* .
4304 * config/rs6000/chorus.h : New file.
4305 * config/i386/chorus.h : New file.
4306 * config/sparc/chorus.h : New file.
4307 * config/sparc/t-chorus-elf : New file.
4309 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4311 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4312 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4313 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4314 (__WCHAR_TYPE__): Correct macro name.
4316 2001-02-08 Richard Henderson <rth@redhat.com>
4318 * config/i386/i386.c (ix86_frame_pointer_required): New.
4319 (ix86_setup_frame_addresses): New.
4320 (struct machine_funciton): Add accesses_prev_frame.
4321 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4322 ix86_frame_pointer_required.
4323 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4324 (SETUP_FRAME_ADDRESSES): New.
4325 * config/i386/i386-protos.h: Update.
4326 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4327 from FRAME_POINTER_REQUIRED.
4328 * config/i386/svr3gas.h: Likewise.
4329 * config/i386/sysv3.h: Likewise.
4330 * config/i386/v3gas.h: Likewise.
4332 2001-02-08 Richard Henderson <rth@redhat.com>
4334 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4335 calculation of the number of integer registers required.
4336 (function_arg_record_value): Likewise.
4338 2001-02-08 Jason Merrill <jason@redhat.com>
4340 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4341 two. Print file and line with "confused" message.
4343 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4345 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4347 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4349 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4351 * final.c (cleanup_subreg_operands): The address of a MEM can
4352 contain SUBREGs.
4354 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4355 for asms, too.
4357 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4359 * gcc.texi (Incompatibilities): Update documentation of
4360 preprocessing numbers.
4362 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4364 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4366 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4368 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4370 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4371 * gcc.c (struct compiler): Add cpp_spec field.
4372 (input_file_compiler): New variable.
4373 (do_spec_1): Allow a particular compiler to handle `%C'
4374 specially.
4375 (main): Store the current compiler in input_file_compiler.
4376 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4378 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4380 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4381 * cppinit.c (cpp_create_reader): Initialize them.
4382 (append_include_chain): cxx_aware arg might be unused.
4383 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4384 keywords and give them their phase 7 meaning. Pedwarn about
4385 this unless '__bool_true_false_are_defined' is defined.
4387 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4389 * lcm.c (optimize_mode_switching): Emit mode_set before the
4390 JUMP_INSN of an abnormal edge.
4392 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4394 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4395 a scheduling barrier at the end.
4397 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4399 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4401 * config/sh/sh.md (reload_outsf): Removed.
4402 (movsf_ie): Introduce constraints for FPUL loads and stores.
4403 (reload_insf): Broaden the output constraint.
4405 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4406 defined.
4407 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4408 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4410 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4412 * final.c: Revert my previous changes.
4413 * output.h: Make profile_label_no extern.
4414 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4415 for generating label.
4417 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4419 * config/i386/djgpp.h: Add comments about standard paths.
4420 (MD_EXEC_PREFIX): Undefine before defining.
4421 (MD_STARTFILE_PREFIX): New.
4423 2001-01-30 Bruce Korb <bkorb@gnu.org>
4425 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4426 (load_file): do not rely on load_file_data() to close file pointer
4427 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4428 fixinc/inclhack.def(irix_limits_const): add test_text
4430 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4432 * cppexp.c (parse_defined): Improve diagnostics for invalid
4433 syntax.
4435 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4437 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4439 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4441 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4442 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4443 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4444 (rs6000_output_symbol_ref): New function.
4445 (output_toc): Use VTABLE_NAME_P.
4447 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4449 * print-tree.c (print_node, case PARM_DECL):
4450 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4452 * stor-layout.c (reference_types_internal): New variable.
4453 (internal_reference_types): New function.
4454 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4455 * tree.h (internal_reference_types): New declaration.
4457 * cse.c (find_best_addr): Fix typo in computing cost.
4459 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4462 and this is the sum of a pointer and a constant, we know the result
4463 did not overflow.
4464 (num_sign_bit_copies, case PLUS): Likewise.
4465 * explow.c (convert_memory_address): Remove opposite SUBREG.
4466 * function.c (instantiate_new_reg): New function (from common code).
4467 (instantiate_virtual_regs_1): Call it.
4468 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4469 if pointers sign- or zero-extend.
4470 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4471 If pointers extend unsigned, use inside of SUBREG.
4472 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4474 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4476 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4477 subdir of gcc_gxx_include_dir.
4478 (gcc_gxx_target_include_dir): Remove.
4480 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4482 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4483 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4484 a high-level description.
4486 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4488 * final.c: Move the declaration of profile_label_no to ...
4489 * output.h: ... here.
4490 * function.c (expand_function_start): Call PROFILE_HOOK.
4491 * config/rs6000/aix.h: Define PROFILE_HOOK.
4492 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4493 * config/rs6000/rs6000.c (output_profile_hook): Define.
4494 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4495 output_profile_hook.
4496 tm.texi : Explain new macro PROFILE_HOOK.
4498 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4500 * extend.texi (Extended Asm): Do not say that semicolon is always
4501 a valid line-breaking character for GNU assemblers. Use
4502 newline-tab as the most commonly supported syntax. Use
4503 newline-tab rather than semicolon in multi-insn examples.
4505 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4507 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4509 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4510 David Edelsohn <edelsohn@gnu.org>
4512 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4513 code for AIX, even without flag_pic.
4515 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4517 * c-typeck.c (common_type): push and pop binding level around
4518 calling common_type on function parameters.
4520 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4522 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4524 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4526 * config/mips/mips.c (override_options): Fix typo in last change.
4527 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4528 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4530 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4532 * invoke.texi (-fdump-class-layout): Document.
4533 (-fdump-translation-unit): Use `=' as filename separator.
4535 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4537 * Makefile.in (s-mlib): Don't build multilibs if
4538 --disable-multilib.
4539 (DRIVER_DEFINES): Adjust accordingly.
4540 (gcc.o): Likewise.
4541 (protoize.o): Likewise.
4542 (unprotoize.o): Likewise.
4543 * configure.in: Recognize --enable-multilib.
4545 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4547 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4549 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4550 * configure.in: Remove --enable-libstdcxx_v3 support.
4551 * configure: Regenerated.
4553 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4555 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4556 Call abort instead of fatal.
4557 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4558 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4559 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4560 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4561 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4562 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4564 * diagnostic.h (set_internal_error_function): Renamed.
4565 * toplev.h (internal_error): Renamed from fatal.
4566 (pfatal_with_name): Deleted.
4567 (fatal_io_error): Now has printf-style arguments.
4568 * diagnostic.c (pfatal_with_name): Deleted.
4569 (fatal_io_error): Rework to have args in printf-style.
4570 (set_internal_error_function): Renamed from set_fatal_function.
4571 (internal_error): Renamed from fatal.
4572 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4573 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4574 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4575 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4576 * flow.c (verify_flow_info): Likewise.
4577 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4578 * config/mips/mips.c (save_restore_insns): Likewise.
4580 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4581 * flow.c (verify_flow_info): Likewise.
4582 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4583 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4584 (avr_normalize_condition): Likewise.
4585 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4586 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4587 (limit_reload_class, double_reg_to_memory): Likewise.
4588 (print_operand_address, emit_1600_code_shift): Likewise.
4589 (gen_tst_reg, gen_compare_reg): Likewise.
4590 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4591 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4592 Deleted.
4593 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4595 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4596 * objc/objc-act.c (build_ivar_chain): Likewise.
4597 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4598 pfatal_with_name.
4599 * graph.c (clean_graph_dump_file): Likewise.
4600 * profile.c (init_branch_prob): Likewise.
4601 * objc/objc-act.c (objc_init): Likewise.
4603 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4604 * config/avr/avr.c (avr_override_options): Likewise.
4605 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4606 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4607 * config/h8300/h8300.c (h8300_init_once): Likewise.
4608 * config/mips/mips.c (override_options): Likewise.
4609 * config/i386/i386.c (override_options): Likewise, rework.
4610 * config/m68k/m68k.c (override_options): Likewise.
4612 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4613 instead of fatal.
4614 * config/mips/mips.c (print_operand): Likewise.
4615 * hash.c (hash_allocate): Don't check for failure returns from
4616 obstack functions that can't fail.
4617 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4618 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4619 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4620 (get_object_reference): Likewise.
4622 2001-02-04 Nick Clifton <nickc@redhat.com>
4624 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4625 StrongARM1110, 10TDMI, and 1020T.
4627 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4629 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4631 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4633 * config/sh/sh.md (movdf load split): Pass register number to
4634 FP_OR_XD_REGISTER_P.
4636 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4638 * cppinit.c (BC): New macro.
4639 (builtin_array): Add __GXX_WEAK__.
4640 * cpplib.h (builtin_type): Add BT_WEAK.
4641 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4642 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4643 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4645 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4647 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4649 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4651 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4652 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4654 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4656 * cpphash.h: Rename ALIGN _ALIGN.
4657 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4659 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4661 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4662 compilation environment.
4663 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4664 control over location of cygwin includes and libs.
4666 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4668 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4670 2001-02-02 lars brinkhoff <lars@nocrew.org>
4672 * md.texi (Standard Names): remove reference to spur.md.
4674 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4676 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4677 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4678 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4679 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4680 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4682 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4684 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4685 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4686 number before reload.
4687 (c4x_adjust_cost): Return zero before reload.
4688 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4689 split before reload.
4691 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4693 * c4x.c (c4x_hard_regno_rename_ok): New.
4694 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4695 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4697 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4699 * diagnostic.h: Add missing "extern" in all declarations.
4701 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4703 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4704 as for gcc_gxx_include_dir.
4706 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4708 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4710 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4712 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4713 label before alignment to be used as the braf base address.
4714 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4715 branches.
4716 (casesi_jump_2): Require at least TARGET_SH2.
4718 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4719 truncation to 32-bit doubles on -m3e and -m4-single-only.
4721 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4723 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4724 the default when building a shared object.
4725 (init_spec): Use it.
4726 * testsuite/lib/g++.exp: Include the directory where libgcc
4727 is located to the LD_LIBRARY_PATH list.
4728 * invoke.texi (-shared-libgcc): Document the cases in which
4729 GCC defaults to using the shared libgcc.
4731 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4733 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4734 unsigned is wide enough.
4735 (BITS_PER_SI): New.
4736 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4737 (si_to_float): Likewise.
4738 (float_to_si, float_to_usi): Use BITS_PER_SI.
4740 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4742 * dwarf2out.c: Added explanation of abbreviations.
4743 (def_cfa_1): Added comments listing DWARF2 instructions.
4744 (cfa_temp_reg): Removed in favor of cfa_temp.
4745 (cfa_temp_value): Removed in favor of cfa_temp.
4746 (cfa_temp): New global variable.
4747 (dwarf2out_frame_debug_expr): Added extensive introductory
4748 comments explaining the function's transformations. Revised to
4749 use cfa_temp. Added some rtx checking. Generalize IOR case.
4750 (dwarf2out_frame_debug): Revised to use cfa_temp.
4751 (output_aranges): Cast as "unsigned" to avoid warning.
4752 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4753 explain which instructions must be marked.
4755 2001-02-01 Richard Henderson <rth@redhat.com>
4757 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4758 new instruction.
4760 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4762 * config/sh/crt1.asm (main_k): Modified so that start calls
4763 ___setup_argv_and_call_main.
4765 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4767 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4768 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4769 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4770 * cppmacro.c (builtin_macro): Set builtin flags here.
4771 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4772 (replace_args): Clarify intent.
4773 (cpp_get_token): Macro expansion tokens get the saved flags.
4774 Update.
4775 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4776 check.
4778 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4780 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4781 2001-Jan-29.
4783 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4785 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4786 returns Pmode pseudo, but we need ptr_mode.
4787 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4788 Remove bogus conversions; use HOST_WIDE_INT for size.
4789 Don't use TARGET if wrong mode.
4791 * config/i386/i386.c (ix86_compute_frame_size): Allow
4792 stack_alignment_needed to be non-default even if size is zero.
4794 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4796 * pa.c (hppa_init_pic_save): New function.
4797 * pa.h (hppa_init_pic_save): Declare.
4798 * pa.md (call, call_value, sibcall, sibcall_value): Use
4799 the above instead of duplicated code.
4801 * pa.c (hppa_encode_label): Correct size of alloca buffer
4802 so we don't overrun it. Correct leading `*' case.
4803 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4804 need to handle `*@'.
4805 (FUNCTION_NAME_P): Likewise.
4807 2001-01-31 Richard Henderson <rth@redhat.com>
4809 * config.gcc (alpha-osf5): Use float-i128.h.
4811 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4812 * config/float-i32.h: Likewise.
4813 * config/float-i64.h: Likewise.
4814 * config/float-sh.h: Likewise.
4815 * config/float-sparc.h: Likewise.
4817 2001-01-31 DJ Delorie <dj@redhat.com>
4819 * expmed.c (extract_bit_field): allow non-integral modes if we
4820 want to extract a whole register from itself.
4822 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4824 * c-typeck.c (set_init_index): If first is equal to last, assume as
4825 if it was not a range at all.
4827 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4829 * config/fp-bit.c: Include tm.h.
4830 (float_to_si): Don't assume SImode is 32-bits wide.
4831 (float_to_usi): Likewise.
4833 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4835 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4836 incomplete type.
4837 (typename): Call pending_xref_error after parsing typed_typespecs.
4838 * c-decl.c (lookup_tag): Give error immediately rather than
4839 leaving it pending if the tag of the wrong type is in the same
4840 binding level.
4841 (xref_tag): Don't pedwarn for forward declarations of enum types
4842 here.
4843 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4844 and enum tags.
4846 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4848 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4850 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4853 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4855 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4857 * cpphash.h (struct cpp_reader): New saved_flags.
4858 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4859 to avoid a paste after a pasted token.
4861 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4863 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4864 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4865 Wtype_MIN instead of LONG_MIN.
4867 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4869 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4870 README file.
4871 * fixinc/fixincl.x: Regenerated.
4872 * fixinc/inclhack.def (irix_limits_const): New definition to
4873 convert "const" to "__const" in limits.h.
4875 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4877 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4879 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4881 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4882 when register dies in the insn.
4884 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4886 * diagnostic.c (fatal): Fix word wrap.
4888 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4890 * combine.c (try_combine): Fix SUBREG setting for
4891 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4893 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4895 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4896 comparison codes.
4898 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4900 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4901 is not NULL.
4902 * toplev.c (decode_W_option): Update warn_larger_than
4903 unconditionally for each processed switch.
4905 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4907 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4908 to NULL_RTX.
4909 (hppa_expand_prologue): Delete code to save pic offset table register
4910 in the function prologue.
4911 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4912 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4913 table register at the beginning of the function after the prologue.
4915 2001-01-29 lars brinkhoff <lars@nocrew.org>
4917 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4919 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4920 Jeff Law <law@redhat.com>
4922 * pa.md (return): Revise comment for trivial return.
4923 (return_internal): Non-trivial return pattern for non-PIC code.
4924 (return_internal_pic): Non-trivial return pattern for PIC code.
4925 It uses the PIC register to ensure it is restored after
4926 function calls.
4927 (epilogue): Generate appropriate return for PIC and non-PIC code.
4929 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4931 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4933 2001-01-29 DJ Delorie <dj@redhat.com>
4935 * combine.c (if_then_else_cond): Pass the correct mode to
4936 operand_subword() for constants.
4938 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4940 * config/i386/cygwin.h: Add w32api to include search. Search different
4941 directories in a cross-build environment.
4943 2001-11-29 Tim Josling <tej@melbpc.org.au>
4945 * tree.h (TYPE_STUB_DECL): Add documentation.
4947 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4949 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4950 (sdbout_field_types): Likwise. Fix use of host_integerp.
4952 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4954 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4955 cygwin.h.
4957 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4959 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4960 to use flag_gnu_linker.
4962 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4964 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4965 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4967 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4969 * tree.c, tree.h (build_parse_node): Remove; was identical to
4970 build_nt.
4971 * c-lang.c (start_cdtor), objc/objc-act.c
4972 (build_module_descriptor): Use build_nt instead of
4973 build_parse_node.
4975 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4977 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4978 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4979 not have any upper bits set.
4981 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4983 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4985 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4987 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4989 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4991 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4992 (integer_minus_one_node): Define.
4994 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4996 * Makefile.in (bootstrap2-lean): Fix typo.
4998 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5000 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5001 : Don't set fe_value.
5002 * cpplib.h (AVOID_LPASTE): New flag.
5003 (struct cpp_hashnode): Remove fe_value.
5004 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5005 * cppmacro.c (builtin_macro): Don't set flags here.
5006 (replace_args): Set AVOID_LPASTE flag on first token of an
5007 argument, and the token following it.
5008 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5009 macro expansion, and on the token following it. Do it for
5010 builtins too.
5011 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5013 2001-01-27 Richard Henderson <rth@redhat.com>
5015 * config/alpha/t-ieee: Remove multilibbing.
5016 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5018 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5020 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5022 * Makefile.in: Remove all dependencies on defaults.h.
5023 * builtins.c: Don't include defaults.h.
5024 * c-common.c: Likewise.
5025 * c-decl.c: Likewise.
5026 * c-pragma.c: Likewise.
5027 * c-typeck.c: Likewise.
5028 * combine.c: Likewise.
5029 * i386.c: Likewise.
5030 * frame-ia64.c: Likewise.
5031 * cppexp.c: Likewise.
5032 * crtstuff.c: Likewise.
5033 * dbxout.c: Likewise.
5034 * dwarf2out.c: Likewise.
5035 * dwarfout.c: Likewise.
5036 * emit-rtl.c: Likewise.
5037 * except.c: Likewise.
5038 * expr.c: Likewise.
5039 * final.c: Likewise.
5040 * frame-dwarf2.c: Likewise.
5041 * libgcc2.c: Likewise.
5042 * optabs.c: Likewise.
5043 * profile.c: Likewise.
5044 * sdbout.c: Likewise.
5045 * toplev.c: Likewise.
5046 * tradcif.y: Likewise.
5047 * tree.c: Likewise.
5048 * varasm.c: Likewise.
5050 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5052 * builtins.c (expand_builtin_fputs): Use size_one_node when
5053 transforming into fwrite.
5055 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5057 * extend.texi (Attribute Syntax): New section.
5059 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5061 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5062 they didn't need fixing.
5064 2001-01-27 Janis Johnson <janis@us.ibm.com>
5066 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5067 if appropriate.
5068 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5069 to remove macro definitions that are duplicated from elfos.h.
5071 2001-01-27 Richard Henderson <rth@redhat.com>
5073 * config/i386/sco5gas.h: Move ...
5074 * config/usegas.h: ... here.
5075 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5077 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5079 * c-typeck.c (struct constructor_stack): Add range_stack member.
5080 (really_start_incremental_init): Clear it.
5081 (push_init_level): Save constructor_range_stack and clear it if
5082 pushing explicit braces.
5083 (pop_init_level): abort if constructor_range_stack is non-zero at
5084 explicit closing brace. Restore saved constructor_range_stack if
5085 not implicit.
5087 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5089 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5090 into register was forced into memory.
5092 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5094 * Makefile.in: Remove uses of + before $(MAKE).
5096 2001-01-26 Richard Henderson <rth@redhat.com>
5098 * stmt.c (cost_table): Remove.
5099 (COST_TABLE, cost_table_initialized): New.
5100 (estimate_case_costs): Use the later instead of the former.
5101 (balance_case_nodes): Likewise.
5103 2001-01-26 Richard Henderson <rth@redhat.com>
5105 * alias.c (objects_must_conflict_p): Read-only slots may not
5106 conflict despite having the same type.
5108 2001-01-27 Michael Hayes <mhayes@redhat.com>
5110 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5111 int variable.
5112 (check_ext_dependant_givs): Initialise u_start_val and
5113 u_end_val.
5114 (load_mems): Make last_max_reg unsigned.
5115 (try_swap_copy_prop): Use INSN_P and initialise set.
5117 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5119 * README.AVR : Removed.
5121 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5123 * pa-64.h (text_section): Remove declaration.
5125 * pa.md (return_internal): Remove mode on PIC register use.
5127 2001-01-25 lars brinkhoff <lars@nocrew.org>
5129 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5130 ASM_CLOSE_PAREN): fix typos.
5132 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5134 * acconfig.h: Define `const' to the empty string if neither
5135 __STDC__ nor __cplusplus is defined.
5136 * config.in: Regenerated.
5138 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5140 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5141 * collect2.c (main): Delete importf. Add ".obj" file extension.
5142 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5143 (aix_std_libs): Add additional AIX libraries to skip.
5144 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5145 * config/rs6000/aix51.h: New file.
5147 2001-01-25 Michael Hayes <mhayes@redhat.com>
5149 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5150 (loop_insn_emit_before): No longer static.
5151 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5152 (loop_givs_rescan, load_mems): Likewise.
5153 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5154 (maybe_eliminate_biv_1):
5155 (move_movables): Replace emit_call_insn_before with
5156 loop_call_insn_hoist.
5157 * loop.h (loop_insn_emit_before): Add.
5158 * unroll.c (copy_loop_body): Replace emit_insn_before with
5159 loop_insn_emit_before.
5161 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5163 * diagnostic.c (fatal): Request preprocessed source.
5165 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5167 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5168 olddecl has argument types and newdecl has none, use the argument
5169 types from olddecl.
5171 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5173 * dwarf2out.c (prefix_of): New function. Determine longest common
5174 prefix of the two arguments. The units are whole path components.
5175 (output_file_names): When adding a new directory find the one entry
5176 with the longest common prefix already in the list. Artificially
5177 generate entry if there is none for this prefix.
5178 Fix test to check whether the zeroth directory entry is used.
5180 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5182 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5183 Changed all callers. Take it into account when deciding if a
5184 previously loaded value matches.
5186 2001-01-24 Richard Henderson <rth@redhat.com>
5188 * reload.c (find_reloads_subreg_address): Fail the substitution
5189 if the resulting address is insufficiently aligned.
5191 2001-01-24 DJ Delorie <dj@redhat.com>
5193 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5194 check the original operand's mode also.
5195 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5197 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5199 * c-parse.in (cast_expr): Move compound literals from here ...
5200 (primary): ... to here. Use standard terminology "compound
5201 literal" instead of "constructor expression".
5203 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5205 * gcc.1, cpp.1: Regenerate.
5207 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5209 * calls.c (emit_library_call_value_1): Memory slot for
5210 pass-by-reference argument should have the mode of the argument,
5211 not of the pointer to it.
5213 2001-01-24 Tom Tromey <tromey@redhat.com>
5215 * gcc.texi (G++ and GCC): Mention gcj manual.
5216 (Standards): Link to section of manual mentioning gcj/Java
5217 compatibility.
5219 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5221 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5222 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5223 * tradcpp.c (main): Add -imacros or -include'd dependencies
5224 for -M*.
5225 * cpp.texi (-M, -MM): Document -M -include behaviour.
5227 2001-01-24 Roger Collins <roger@ProProject.com>
5229 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5231 2001-01-24 Will Cohen <wcohen@redhat.com>
5233 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5234 whether registers are 32 bits or 64 bits in size.
5236 2001-01-24 Ben Elliston <bje@redhat.com>
5238 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5240 2001-01-24 Richard Henderson <rth@redhat.com>
5242 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5243 (builtin_longjmp): Use it instead of emit_indirect_jump.
5245 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5247 * bb-reorder.c (make_reorder_chain_1): Handle case where
5248 jump edge goes to the same block as the fallthru edge.
5250 2001-01-23 Jim Wilson <wilson@redhat.com>
5252 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5253 * frame.h (__ia64_personality_v1): Add prototype.
5254 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5255 prototype form. Add void * cast to first argument to personality
5256 call.
5257 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5258 (asctoe113): Likewise.
5259 * config/ia64/frame-ia64.c: Include eh-common.h.
5260 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5261 prototypes.
5262 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5263 to dump parameter.
5264 (itanium_split_issue): Add prototype.
5265 (gen_nop_type): Ifdef out.
5266 (find_best_packet): Initialize best_packet.
5267 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5268 result.
5269 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5270 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5271 (flushrs): Add explicit stop bit at end.
5272 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5273 trailing \ to >.
5275 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5277 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5278 of EH symbols.
5279 * libgcc2.c (__terminate_func): Make variable static.
5280 (__terminate_set_func): New function to set __terminate_func.
5281 * libgcc2.h (__terminate_func_ptr): New typedef.
5282 (__terminate_set_func): New function.
5284 2001-01-23 Richard Henderson <rth@redhat.com>
5286 * flow.c (init_propagate_block_info): Don't consider unchanging
5287 memories for dead frame store elimination.
5289 2001-01-23 Richard Henderson <rth@redhat.com>
5291 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5292 * defaults.h: ... here.
5294 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5296 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5298 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5300 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5302 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5304 * rs6000.h (rs6000_return_addr): Move prototype from here...
5305 * rs6000-protos.h (rs6000_return_addr): ...to here.
5306 (rs6000_init_expanders): Delete prototype.
5308 2001-01-23 Nick Clifton <nickc@redhat.com>
5310 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5311 (Spec Files): Document %B and %j and %. and %v3 and %M and
5312 %{S*&T} spec switches.
5314 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5316 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5318 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5319 Neil Booth <neil@daikokuya.demon.co.uk>
5321 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5322 Have -Werror make pedantic warnings errors, like the
5323 rest of GCC.
5325 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5327 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5329 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5331 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5332 * integrate.c (expand_inline_function): Initialize them.
5333 (subst_constants): If changing COMPARE so that both its arguments
5334 will be VOIDmode and the comparison mode will be lost, note
5335 compare_mode. Use the recorded compare_mode to optimize
5336 IF_THEN_ELSE.
5338 2001-01-23 Jason Merrill <jason@redhat.com>
5340 * dwarf2out.c (new_die): Use xcalloc.
5341 (output_die): Abort rather than emit a local reference to offset 0.
5343 2001-01-17 Andrew Haley <aph@redhat.com>
5345 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5346 of a saved register; return NULL instead.
5347 (copy_reg): Take a pointer to a source register rather than a
5348 frame_state.
5349 (next_stack_level): Remember the address in the stack frame of all
5350 saved registers.
5351 Use the saved register pointer array as the source of the CFA.
5352 (throw_helper): Rewrite. Unwind once rather than twice and keep
5353 track of saved registers as we go.
5355 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5357 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5358 * c4x.c (c4x_legitimize_reload_address): Remove.
5359 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5360 reload address for ldp(k) insn.
5362 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5364 * pa.md (return_internal): Add a USE of the PIC register to ensure
5365 it is restored after each call.
5366 (return expander): Corresponding changes.
5368 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5370 * rs6000.h (INIT_EXPANDERS): Delete.
5371 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5372 * rs6000.c (rs6000_override_options): Call *_machine_status from
5373 here...
5374 (rs6000_init_expanders): ...instead of here. Delete.
5375 (rs6000_mark_machine_status): New function.
5376 (rs6000_init_machine_status): Use xcalloc.
5377 (rs6000_return_addr): Generate RTX for the return address.
5378 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5379 (rs6000_stack_info): Use it.
5381 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5383 * gthr-win32.h: Include errno.h to get a declaration for
5384 EINVAL and _mingw.h if the target is mingw32.
5386 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5388 * cpp.texi: Correct typos.
5390 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5392 * explow.c (probe_stack_range): Ensure value passed to
5393 stack_check_libfunc is ptr_mode, not Pmode.
5395 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5397 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5398 case, don't use operand_subword to calculate a SUBREG that is
5399 wider than a word.
5401 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5403 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5405 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5406 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5407 valid. If not replace it by equivalent insns.
5409 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5411 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5412 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5413 (c4x_U_constraint, symbolic_address_operand): Likewise.
5414 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5415 memory.
5416 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5417 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5418 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5419 anulling slot because of silicon bug.
5420 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5422 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5424 * cppexp.c (parse_charconst): Change `mask' type to agree
5425 with parse_escape.
5427 2001-01-21 Richard Henderson <rth@redhat.com>
5429 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5430 pic_label_name in a linkonce section.
5432 2001-01-17 Philipp Thomas <pthomas@suse.de>
5434 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5435 found in libintl.
5436 * configure: Regenerate.
5438 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5440 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5441 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5443 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5445 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5446 If REVERSE nonzero then condition code in X must be reversed.
5447 (encode_section_info): Optimise if/else.
5448 (avr_function_value): Fix formatting.
5450 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5451 (difficult_branch): Likewise.
5452 (rvbranch): Likewise.
5453 (difficult_rvbranch): Likewise.
5455 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5457 * config/avr/libgcc.S: Fix comment.
5459 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5461 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5463 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5465 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5467 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5469 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5470 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5471 * configure, config.in: Regenerate.
5472 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5473 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5474 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5475 (doprint.o): New rule.
5477 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5479 * c-typeck.c (digest_init): Handle boolean types as scalars.
5481 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5483 * stmt.c (expand_return): Don't return anything if size is zero.
5484 Delete redundant assignment to BYTES.
5485 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5487 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5489 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5490 the same as the default library function names.
5491 * config/avr/avr.md: Document special characters after '%'.
5492 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5493 knowing which of the call-used registers are really clobbered.
5494 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5495 New. Both quotient and remainder from one libgcc.S call.
5496 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5497 clobber as few registers as possible.
5498 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5500 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5502 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5503 context of the top of the stack.
5505 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5507 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5508 (fixup_var_refs_insns): ...here.
5510 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5512 * function.c (fixup_var_refs_insns): Break up into
5513 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5514 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5515 [loop over hash table entries].
5516 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5517 fixup_var_refs_insns_with_hash, to match above changes.
5519 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5521 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5522 (libgcc.a): Likewise.
5523 (stmp-multilib): Likewise.
5524 (STAGE2_FLAGS_TO_PASS): Likewise.
5526 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5528 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5529 temporary if no_new_pseudos.
5531 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5533 * cppinternals.texi: Update.
5535 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5537 * arm.c (arm_init_builtins): Re-enable builtins.
5539 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5541 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5542 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5543 element to be null, and always expect an EXPR_LIST.
5544 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5545 * sched-deps.c (sched_analyze_1): Likewise.
5546 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5548 * regclass.c (max_set_parallel): New variable.
5549 (reg_scan): Take it into account in computation of max_parallel.
5550 (reg_scan_mark_refs, case SET): Compute it.
5552 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5553 args are REG.
5554 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5555 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5557 2001-01-19 Jason Merrill <jason@redhat.com>
5559 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5560 for the abstract instance of an inline function.
5562 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5563 J"orn Rennecke <amylaar@redhat.com>
5565 * reload1.c (move2add_note_store): Treat all registers directly or
5566 indirectly derived from a base register as members of the same set
5567 of values.
5568 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5569 of base register into account.
5571 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5573 * alias.c (find_base_value): Recognize TRUNCATE.
5574 (record_set): In PLUS case, invalidate if other summand is also a
5575 base value.
5577 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5579 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5580 entry to be EXPR_LIST.
5581 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5582 be an EXPR_LIST (but not null, which other code doesn't allow).
5583 (note_stores): Properly handle PARALLEL in SET.
5584 Recursively call for top-level PARALLEL.
5585 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5586 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5588 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5590 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5592 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5593 not pfile->skipping (== 0).
5595 2001-01-17 Nick Clifton <nickc@redhat.com>
5597 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5598 machine_status.
5600 2001-01-17 Jim Wilson <wilson@redhat.com>
5602 * invoke.texi (IA-64 options): Improve.
5604 2001-01-17 Tom Tromey <tromey@redhat.com>
5606 * invoke.texi (Optimize Options): Use `{}' to around @samp
5607 argument.
5609 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5611 * invoke.texi (-fno-guess-branch-probability): New option.
5613 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5615 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5616 case of making new double-word constant.
5617 Revert last change: instead just test i3_subst_into_i2.
5619 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5621 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5622 Use q constraints instead of r.
5624 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5626 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5627 (machine_function): Define.
5628 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5629 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5630 pa_free_machine_status): New functions.
5631 (override_options): Set {init,mark,free}_machine_status to above.
5632 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5633 PIC_OFFSET_TABLE_REGNUM_SAVED.
5634 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5635 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5636 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5637 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5638 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5640 2001-01-15 DJ Delorie <dj@redhat.com>
5642 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5643 (cpp.1): Ditto.
5644 (gcc.1): Ditto.
5646 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5648 * flow.c (propagate_on_insn): Make trying to delete a prologue
5649 or epilogue insn an ICE, not a warning. Allow doing this if
5650 the current function returns with stack pointer depressed.
5652 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5653 I3 having more than one SET.
5655 2001-01-16 Jim Wilson <wilson@redhat.com>
5657 * invoke.texi: Document IA-64 options.
5659 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5660 (fixup_errata): Delete TARGET_A_STEP use.
5661 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5662 (TARGET_SWITCHES): Delete -ma-step option.
5663 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5664 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5665 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5666 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5667 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5668 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5669 Delete.
5670 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5671 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5672 cmovsi_internal): Delete ! TARGET_A_STEP check.
5674 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5676 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5677 possibility to report bugs via postal mail. Change a URL and
5678 merge in a nearly duplicate statement...
5679 (Bug Reporting): ...from here.
5680 (Service): Refer to the Bug Reporting section instead of
5681 duplicating an URL.
5682 (Contributing): Remove trivial explanations concerning snapshots.
5684 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5686 * cppmain.c (general_init): Don't use ANSI prototype.
5688 2001-01-16 Tom Tromey <tromey@redhat.com>
5690 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5692 2001-01-16 Richard Henderson <rth@redhat.com>
5694 * config/i386/i386.h: Fix comment typo.
5695 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5696 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5698 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5700 * gcc.c: Revert previous -fsyntax-only-related change; move
5701 to cp/g++spec.c.
5703 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5705 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5706 inmode after checking GET_CODE (op).
5708 2001-01-16 Richard Henderson <rth@redhat.com>
5710 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5711 (MAX_MEM_SET_LIST_LEN): New.
5712 (propagate_one_insn): Update mem_set_list_len.
5713 (invalidate_mems_from_autoinc): Likewise.
5714 (invalidate_mems_from_set): Likewise.
5715 (mark_used_regs): Likewise.
5716 (init_propagate_block_info): Likewise. Stop collecting memories
5717 when we reach MAX_MEM_SET_LIST_LEN.
5718 (mark_set_1): Likewise.
5720 2001-01-16 Richard Henderson <rth@redhat.com>
5722 * unroll.c (precondition_loop_p): Fail if no iteration
5723 variable found.
5725 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5727 * gcc.c: When -fsyntax-only is given, do not complain about
5728 unused libraries.
5730 2001-01-15 Richard Henderson <rth@redhat.com>
5732 * config/i386/i386.c (asm_output_function_prefix): Remove.
5733 (ix86_asm_file_end): New.
5734 (load_pic_register): Generate pic_label_name into a
5735 staticly allocated buffer.
5736 * config/i386/i386-protos.h: Update.
5737 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5738 (ASM_FILE_END): New.
5739 * config/i386/i386afe.h: New file.
5740 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5741 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5742 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5743 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5744 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5745 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5746 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5748 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5750 * Makefile.in (install-man): Remove explicit dependency on
5751 $(srcdir)/gcc.1.
5753 * configure.in, configure: Revert previous patch requiring perl
5754 5.6.0.
5756 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5758 * toplev.c (flag_guess_branch_prob): New.
5759 (f_options): Add guess-branch-probability option.
5760 (rest_of_decl_compilation): Only estimate branch probability if
5761 flag set.
5762 (main): set flag_guess_branch_prob.
5764 * flags.h (flag_guess_branch_prob): New.
5766 2001-01-15 DJ Delorie <dj@redhat.com>
5768 * gcc.texi (Makefile): Add documentation for Makefile targets.
5770 2001-01-15 Philip Blundell <philb@gnu.org>
5772 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5773 (is_pic): Delete.
5774 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5775 (is_pic): Delete declaration.
5776 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5777 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5778 * config/arm/arm.md (builtin_setjmp_receiver): New.
5780 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5782 * arm.c (use_return_insn): Don't try to determine the function type
5783 until after reload has completed.
5784 (arm_output_epilogue): Don't adjust the sp value recovered from the
5785 stack.
5786 (emit_multi_reg_push): Don't record dwarf information for the pc.
5787 * arm.md (eh_epilogue): The function type may have changed, so it
5788 needs to be recalculated.
5789 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5790 unwind tables on arm/netbsd.
5792 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5794 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5795 (negated_cbranchsi4): Likewise.
5797 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5799 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5800 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5801 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5802 pass -mapcs-* options to assembler.
5803 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5804 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5805 (ASM_SPEC): Call subtarget_extra_asm_spec.
5807 2001-01-15 Andreas Jaeger <aj@suse.de>
5809 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5810 warnings.
5811 (ix86_expand_builtin): Likewise.
5813 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5814 warning about comparison between signed and unsigned.
5816 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5818 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5820 2001-01-14 Ralf Baechle <ralf@gnu.org>
5822 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5823 SUBTARGET_CPP_SPEC apropriatly.
5825 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5827 * varasm.c (make_decl_rtl): Fix typo in last change.
5829 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5831 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5832 linker supports the init_priority C++ attribute.
5833 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5834 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5835 linker does not support init_priority C++ attribute.
5837 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5839 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5841 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5843 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5844 * cp/lex.c (finish_parse): Similarly.
5845 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5846 Return the number of errors encountered.
5847 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5848 * cppmain.c (main): Don't call cpp_destroy.
5850 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5852 * configure.in: Require at least perl 5.6.0 to regenerate
5853 manpages.
5854 * configure: Regenerate.
5856 2001-01-14 Richard Henderson <rth@redhat.com>
5858 * genrecog.c (DT_veclen_ge): New.
5859 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5860 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5861 (nodes_identical_1): Handle DT_veclen_ge.
5862 (write_cond, debug_decision_2): Likewise.
5864 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5866 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5867 with ...
5868 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5870 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5872 * cppmain.c (do_preprocessing): New function; most of the old
5873 main.
5874 (main): Call it to do most of the work.
5875 (cb): Move from global scope to set_callbacks ().
5876 (setup_callbacks): Get the callback pointer.
5877 (general_init, printer_init): Clean up code and comments.
5879 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5881 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5882 compiling PIC.
5884 2001-01-14 Kazu Hirata <kazu@hxi.com>
5886 * config/h8300/h8300.c (get_shift_alg): Update comments.
5888 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5890 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5891 (alloc_page, ggc_alloc): Add casts to remove warnings.
5893 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5895 * combine.c (simplify_comparison): Don't change `code' when
5896 can't reverse comparison.
5898 2001-01-14 Richard Henderson <rth@redhat.com>
5900 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5901 update all call sites. Return true for all non-label constants.
5903 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5905 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5906 parameters.
5907 (ix86_expand_branch): Update.
5908 (ix86_expand_setcc): Update to handle multiple test conditions.
5909 (expand_int_movcc): Likewise.
5910 (expand_fp_movcc): Likewise.
5911 * i386-protos.h (ix86_expand_compare): New.
5912 * i386.md (andqi_?_slp, orqi_?_slp): New.
5913 (conditional trap expander): Update call to ix86_expand_compare.
5915 2001-01-14 Richard Henderson <rth@redhat.com>
5917 * config/vax/vax.md: Use nonimmediate_operand instead of
5918 general_operand in destinations.
5920 * config/vax/vax.md (indirect_jump): Use register_operand.
5922 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5923 * config/vax/vax.md (call_pop): Turn into an expander.
5924 (call_value_pop): Likewise.
5925 (call, call_value): New.
5927 2001-01-14 Andreas Jaeger <aj@suse.de>
5929 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5930 variables.
5931 (ix86_fp_compare_mode): Add unused attribute.
5932 (ix86_expand_fp_movcc): Remove unused variable.
5933 (ix86_expand_builtin): Make fcode unsigned.
5935 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5936 (expand_expr): Add cast to avoid signed warning.
5937 (store_field): Likewise.
5938 (store_constructor_field): Likewise.
5939 (store_constructor): Likewise.
5940 (store_expr): Likewise.
5941 (clear_storage): Likewise.
5942 (emit_group_store): Likewise.
5943 (emit_group_load): Likewise.
5945 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5947 * c-common.c: Move format checking code to ...
5948 * c-format.c: ... here. New file. Reorder some functions and
5949 declarations.
5950 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5951 New functions.
5952 * c-common.h (decl_handle_format_attribute,
5953 decl_handle_format_arg_attribute): Declare.
5954 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5955 (c-common.o): Adjust dependencies.
5956 (c-format.o): New list of dependencies.
5958 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5960 * unroll.c (loop_iterations): If we cannot prove iteration variable
5961 is set once in each iteration, punt.
5963 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5965 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5966 (*strlenhi): Remove clobber (which was buggy) of output address.
5968 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5970 * Makefile.in (generated-manpages): Add gcc.1
5971 ($(srcdir)/gcc.1): New target.
5972 (maintainer-clean): Delete $(srcdir)/gcc.1.
5973 * gcc.texi: Add macros @gccoptlist and @gol.
5974 * invoke.texi: Include option summary in manpage. Mark up option
5975 summary with @gccoptlist and @gol. Use @r in one place where
5976 appropriate.
5977 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5978 * gcc.1: Generate from invoke.texi.
5980 2001-01-13 Richard Henderson <rth@redhat.com>
5982 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5983 (struct page_entry): Add group member.
5984 (struct page_group): New.
5985 (struct globals): Add page_groups member.
5986 (alloc_anon): Only define for using mmap; remove valloc call.
5987 (page_group_index): New.
5988 (set_page_group_in_use): New.
5989 (clear_page_group_in_use): New.
5990 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5991 (free_page, release_pages): Likewise.
5992 * configure.in (with-gc): Default to ggc-page always.
5994 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5996 * reload1.c (replace_pseudos_in_call_usage): Use
5997 reg_equiv_constant and reg_equiv_address, and don't try
5998 regno_reg_rtx first.
6000 2001-01-13 Richard Henderson <rth@redhat.com>
6002 * ggc-page.c (alloc_page): Round up allocation size to one page.
6003 Set e->order on extra pages.
6005 2001-01-13 Richard Henderson <rth@redhat.com>
6007 * genrecog.c (nodes_identical): Expand commentary.
6008 (write_switch): Watch out for identical nodes.
6010 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6012 * cppfiles.c (_cpp_fake_include): New function.
6013 * cpphash.h (_cpp_fake_include): New.
6014 * cpplib.c (do_line): Call _cpp_fake_include when entering
6015 header files in preprocessed input.
6016 * cppmain.c (cb_pragma_implementation): Remove handling.
6017 (setup_callbacks): Don't register pragmas.
6019 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6021 * extend.texi: Udate for CPP.
6023 2001-01-13 Andreas Jaeger <aj@suse.de>
6025 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6027 * regmove.c: Add prototype for replace_in_call_usage.
6029 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6031 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6032 struct cpp_chunk, struct htab, struct toklist,
6033 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6034 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6035 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6036 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6037 (struct macro_args): Delete.
6038 * cpphash.h: See above.
6040 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6042 * cppmain.c (struct printer): Remove no_line_dirs.
6043 (options, cb): New.
6044 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6045 : Use options rather than CPP_OPTION.
6046 (setup_callbacks): Use cb rather than pfile->cb.
6047 (main): No need to check for a buffer. Use cpp_errors.
6048 (printer_init): Don't set no_line_dirs.
6049 (maybe_print_line): Use options not no_line_dirs.
6050 (cb_file_change): Don't call print_line if -P.
6052 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6054 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6055 callbacks.
6056 * c-parse.in (finish_parse): Use cpp_errors.
6057 (__yylex): Use return value of cpp_pop_buffer.
6058 * cp/lex.c (finish_parse): Use cpp_errors.
6059 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6061 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6063 * README.AVR: URLs corrected.
6065 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6067 * c-decl.c (start_function): Don't warn if old prototype is builtin
6068 that's not in C's namespace.
6069 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6070 (_bb): Add prototype for ctime.
6071 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6073 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6075 * i386.c (ix86_fp_comparison_arithmetics_cost,
6076 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6077 ix86_fp_comparison_cost): New functions.
6078 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6079 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6080 two-branch sequences; make static.
6081 (ix86_use_fcomi_compare): Do decision according to the costs.
6082 (split_fp_branch): New.
6083 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6084 * i386-protos.h (ix86_expand_fp_compare): Remove
6085 (ix86_split_fp_branch): Declare.
6087 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6088 and ix86_comparison_operator.
6090 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6091 to make it cheaper.
6093 * i386.c (put_condition_code): Output properly the unordered/ordered
6094 compares in fp case.
6095 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6097 * tm.texi (REVERSE_CONDITION): Document.
6098 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6099 in -ffast-math mode.
6100 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6102 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6104 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6106 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6107 optimized away.
6109 * config/sh/sh.c (mova_p): Fix test for mova_const.
6111 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6113 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6114 cpp_get_options rather than dereferencing pfile and using
6115 CPP_OPTION.
6116 * scan-decls.c (scan_decls): Use return value of
6117 cpp_pop_buffer rather than CPP_BUFFER.
6119 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6121 * cppinit.c (cpp_handle_option): help_only is now part of the
6122 cpp_options structure.
6123 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6124 cpp_set_callbacks): New functions.
6125 * cpplib.h (cpp_callbacks): Break out as a named structure.
6126 (cpp_options): Move help_only here from cpp_reader.
6127 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6128 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6129 cpp_set_callbacks): New prototypes.
6130 * cppmain.c (main): Update for help_only.
6132 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6134 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6135 Also build and remove and install and uninstall c-tree.info and
6136 cppinternals.info.
6137 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6138 ($(srcdir)/cppinternals.info): New target.
6139 * c-tree.texi: Change file name used when makeinfo used without -o
6140 from ir.info to c-tree.info. Add info directory entry.
6141 * cppinternals.texi: Add info directory entry.
6142 * .cvsignore: Update.
6144 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6146 * c-typeck.c (store_init_value): Don't require constant initializer
6147 elements with -pedantic -std=c99.
6148 (digest_init): Change error about non-constant initializer elements
6149 into pedwarn.
6150 (constructor_range_end): Remove.
6151 (constructor_incremental, designator_depth,
6152 designator_errorneous): New variables.
6153 (struct constructor_stack): Remove range_end, add incremental.
6154 (struct constructor_range_stack, constructor_range_stack): New.
6155 (struct initializer_stack): Add constructor_range_stack.
6156 (finish_init): Set it.
6157 (start_init): Likewise. require_constant_elements for non-static
6158 trees only if not flag_isoc99.
6159 (really_start_incremental_init): Remove constructor_range_end, add
6160 constructor_incremental.
6161 (pop_init_level): Likewise.
6162 (push_init_level): Likewise. If implicit and the subobject had some
6163 value set already, preinitialize the level with it.
6164 Warn about missing braces only if not pushing due to designators.
6165 (set_designator, push_range_stack): New functions.
6166 (set_init_label): Use them.
6167 (set_init_index): Likewise. Remove constructor_range_end.
6168 Error if designator index is outside of array bounds.
6169 (add_pending_init): Compare values of purpose index trees, not the
6170 trees themselves. Allow overwriting of already initialized element.
6171 Issue a warning if it had side-effects.
6172 (set_nonincremental_init, set_nonincremental_init_from_string): New
6173 functions.
6174 (pending_init_member): Rename to...
6175 (find_init_member): ...this function. Call set_nonincremental_init
6176 if necessary. Compare values of purpose index trees, not the trees
6177 themselves. Return the actual value, not just non-zero if something
6178 is found.
6179 (output_init_element): Remove checks for duplicates.
6180 If field has zero size, only check the initializer for correctness.
6181 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6182 if constructor_incremental is zero. Change error about initializers
6183 not computable at load time into pedwarn.
6184 (output_pending_init_elements): Compare bit positions, not
6185 FIELD_DECLs to take into account zero-sized fields.
6186 (process_init_element): Use constructor_range_stack to fill all
6187 ranges in the designator lists from current level up.
6188 * extend.texi: Update documentation for labeled elements.
6190 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6192 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6193 to function usage for arguments passed by reference. Optimize
6194 callee-copied arguments.
6195 * regmove.c (replace_in_call_usage): New function.
6196 (fixup_match_1): Call it.
6197 * cse.c (cse_insn): Canonicalize registers in function usage.
6198 * reload1.c (replace_pseudos_in_call_usage): New function.
6199 (reload): Call it.
6201 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6202 right version.
6204 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6206 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6207 not XEXP (tmp, 0).
6209 2001-01-12 DJ Delorie <dj@redhat.com>
6211 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6212 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6213 targets.
6215 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6217 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6218 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6219 -std options alongside references to -ansi. Update some
6220 documentation for C99.
6221 * cpp.1: Regenerate.
6223 2001-01-12 Andreas Jaeger <aj@suse.de>
6225 * haifa-sched.c (restore_line_notes): Remove argument block B
6226 since it's unused.
6227 * sched-ebb.c (schedule_ebb): Change caller.
6228 * sched-rgn.c (schedule_region): Likewise.
6229 * sched-int.h (restore_line_notes): Adjust prototype.
6231 * loop.h: Remove wrong declaration of doloop_condition_get.
6233 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6235 * extend.texi: Move C++-extension-related node from the C section
6236 into the C++ section.
6238 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6240 * extend.texi: Refer to an array of pointers to functions instead
6241 of one of functions.
6243 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6244 Jan Hubicka <jh@suse.cz>
6246 * combine.c (reversed_comparison): Fix typo in last patch.
6247 Check X for NULL.
6248 (combine_reversed_comparison_code): Make static to follow
6249 prototype declaration.
6251 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6253 * install.texi: Remove misplaced duplicate entry.
6255 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6257 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6259 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6261 * final.c: (leaf_function_p): Fix typo.
6263 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6265 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6266 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6267 which you have.
6268 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6269 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6270 mmap_anon, and valloc is available.
6271 * ggc-page.c: Restructure ifdef logic to match new autoconf
6272 spec. Don't throw away the test page in init_ggc.
6274 * configure, config.in: Regenerate.
6276 2001-01-12 Michael Hayes <mhayes@redhat.com>
6278 * loop.h (total_biv_increment): Constify iv_class pointer.
6279 (struct induction): Replace `mem_mode' with `mem' rtx.
6280 * unroll.c (total_biv_increment): Constify iv_class pointer.
6281 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6282 (find_mem_givs, combine_givs_p): Likewise.
6283 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6285 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6287 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6288 LastError.
6289 (__gthread_getspecific): Ditto.
6291 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6293 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6294 put_condition_code): Convert fp comparison codes to integer
6295 before handling.
6296 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6297 to final.
6299 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6300 * i386-protos.h (no_comparison_operator): Kill.
6302 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6304 * combine.c (REVERSIBLE_CC_MODE): Remove.
6305 (reversible_comparison_p): Remove.
6306 (combine_reversed_comparison_code): New.
6307 (reversed_comparison): New.
6308 (combine_simplify_rtx): Use
6309 combine_reversed_comparison_code/reversed_comparison instead
6310 of reversible_comparison_p.
6311 (simplify_if_then_else): Likewise.
6312 (simplify_set): Likewise.
6313 (simplify_logical): Likewise.
6314 (if_then_else_cond): Likewise.
6315 (known_cond): Likewise.
6316 (simplify_comparison): Likewise.
6318 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6320 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6321 sizeof (int) is larger than sizeof(__word__).
6323 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6325 * cppinit.c (do_includes): Fix typo.
6327 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6329 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6330 in S_REGS does not occur because not all sources are possible
6331 when a S_REGS is a destination (sometimes needs a clobber).
6332 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6333 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6334 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6335 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6336 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6337 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6338 (lshrdi_const1, lshrsi3_const16): Likewise.
6339 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6340 (*movhi_68hc12, *movqi_68hc12): Likewise.
6341 (movstrictqi): Make sure reloading in D_REGS as a destination
6342 does not happen.
6344 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6346 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6348 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6350 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6351 -D, -U and -A, and don't initialize the builtins.
6352 (do_includes): Error if -include or -imacros with -fpreprocessed.
6353 * cppmain.c (cb_define, cb_undef): Unconditionally process
6354 the callback.
6355 * tradcpp.c (main): Fix typo.
6357 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6359 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6360 (read_name_map): Use IS_ABSOLUTE_PATH.
6361 * tradcpp.c (get_filename): Likewise.
6363 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6365 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6366 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6367 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6368 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6369 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6370 (cmphi_z_used): Don't use '@' for the output.
6371 (tstqi_z_used): Likewise.
6372 (cmpqi_z_used): Likewise.
6373 (one_cmplsi2): Likewise.
6375 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6377 * config/sh/sh.c (barrier_align): Recognize branch around far
6378 branch and redundant insn.
6380 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6382 * invoke.texi: Restore documentation of the drivers' switches -MD
6383 and -MMD.
6385 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6387 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6389 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6390 check-objc//%): Support parallel testing of multilibs.
6391 (TESTSUITEDIR): Set to testsuite by default, but override for
6392 parallel testing.
6393 (check-gcc, check-g++, check-g77, check-objc): Enter
6394 $(TESTSUITEDIR).
6396 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6398 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6399 * sched-deps.c (deps_may_trap_p): Likewise.
6400 * basic-block.h: Remove a comment.
6401 * flow.c (PROP_POSTRELOAD): Remove.
6402 (update_life_info): Don't add it to prop_flags.
6403 (mark_set_1): Lose the code that was enabled by it.
6405 2001-01-11 Michael Hayes <mhayes@redhat.com>
6407 * flow.c (flow_call_edges_add): New.
6408 * basic_block.h (flow_call_edges_add): New.
6410 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6412 * reload1.c (move2add_note_store): Update reg_set_luid even if
6413 base reg remains the same.
6415 2001-01-10 Nick Clifton <nickc@redhat.com>
6417 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6418 machine_function structure to zero.
6419 Add prototypes for machine_status functions.
6421 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6423 * c-common.h (CTI_VOID_LIST): Remove.
6424 (void_list_node): Likewise.
6425 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6426 (void_list_node): New macro.
6427 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6428 * config/i386/i386.c (ix86_init_builtins): Likewise.
6429 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6431 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6433 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6434 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6435 if statement.
6436 * tradcpp.c: Include mkdeps.h.
6437 (deps, print_deps_phony_targets, deps_append, output_deps,
6438 init_dependency_output, output_deps): New.
6439 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6440 deps_output): Delete.
6441 (print_deps_missing_files): Rename deps_missing_files.
6442 (inhibit_output): Make global.
6443 (main): Delete inhibit_output, deps_stream, deps_target.
6444 Use mkdeps functionality in the same way as cpplib. Remove
6445 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6446 -M and -MM. Remove old handling of deps via deps_out, and
6447 old reading of environment variables.
6448 (get_filename): Update to use deps_add_dep.
6450 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6452 * output.h (make_function_rtl): Remove prototype.
6453 (make_decl_rtl): Likewise.
6454 * varasm.c (make_function_rtl): Remove.
6455 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6456 than from a third parameter.
6457 * tree.h (make_decl_rtl): Remove last parameter.
6458 * c-decl.c (builtin_function): Remove last argument in call to
6459 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6460 (start_function): Likewise.
6461 * except.c (call_get_eh_context): Likewise.
6462 * expr.c (emit_block_move): Likewise.
6463 (clear_storage): Likewise.
6464 * profile.c (output_func_start_profiler): Likewise.
6465 * toplev.c (rest_of_decl_compilation): Likewise.
6466 * objc/objc-act.c (create_builtin_decl): Likewise.
6467 (synth_module_prologue): Likewise.
6468 (generate_static_reference): Likewise.
6469 (build_selector_reference_decl): Likewise.
6470 (build_class_reference_decl): Likewise.
6471 (build_objc_string_decl): Likewise.
6472 (build_protocol_reference): Likewise.
6474 2001-01-10 Richard Henderson <rth@redhat.com>
6476 * hwint.h: Revert yesterday's change.
6478 2001-01-10 Nick Clifton <nickc@redhat.com>
6480 * function.h (save_machine_status): Delete.
6481 (restore_machine_status): Delete.
6482 Amend comment describing {init|mark|free}_machine_status.
6484 * function.c (save_machine_status): Delete.
6485 (restore_machine_status): Delete.
6486 Amend comment describing {init|mark|free}_machine_status.
6487 (push_function_context_to): Remove invocation of
6488 save_machine_status.
6489 (pop_function_context_from): Remove invocation of
6490 restore_machine_status.
6492 * emit-rtl.c (init_emit_once): Amend comment describing
6493 {init|mark|free}_machine_status.
6495 * tm.texi (Per-Function Data): New node. Describe the
6496 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6497 function pointers.
6499 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6501 * cppinit.c (OPT_g): Remove.
6502 (cpp_handle_option): Update for removed -g3.
6503 (print_help): Update.
6504 * cpplib.h (struct cpp_options): Remove debug_output.
6505 * cppmain.c (setup_callbacks, cb_define): Update.
6506 * gcc.c (cpp_options): Translate -g3 to -dD.
6508 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6510 * config/i960/i960.md: Change modifier to + on the zero_extract
6511 pattern after the (rotate -2 reg) canonicalization pattern.
6513 2001-01-10 Richard Henderson <rth@redhat.com>
6515 * config/alpha/alpha.c (alpha_free_machine_status): New.
6516 (override_options): Install it.
6517 (alpha_mark_machine_status): Verify machine non-null.
6518 * config/i386/i386.c (ix86_free_machine_status): New.
6519 (override_options): Install it.
6520 (ix86_init_machine_status): Use xcalloc.
6521 (ix86_mark_machine_status): Verify machine non-null.
6522 * config/ia64/ia64.c (ia64_free_machine_status): New.
6523 (ia64_override_options): Install it.
6524 (ia64_mark_machine_status): Verify machine non-null.
6526 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6528 * function.c (instantiate_virtual_regs): Instantiate virtual
6529 registers found in CALL_INSN_FUNCTION_USAGE.
6531 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6533 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6534 equivalent to -ansi in disabling -Di386.
6536 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6538 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6539 new functions.
6540 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6542 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6544 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6546 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6548 * invoke.texi: Document that -fcond-mismatch isn't supported for
6549 C++.
6551 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6553 * gcc.texi: Define macro gcctabopt.
6554 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6555 @command, @env and @option in some places where appropriate. Use
6556 @gcctabopt where appropriate. Put URLs and email addresses inside
6557 @w.
6559 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6561 * gcc.c (cpp_options): Set MD file name from output
6562 filename, if specified.
6563 (suffix_subst): New static variable.
6564 (do_spec): Clear it.
6565 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6566 Clear it.
6567 (give_switch): Handle suffix_subst.
6569 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6571 * invoke.texi: Fix another typo.
6573 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6575 * invoke.texi: Fix typo.
6577 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6579 * c-lang.c (lang_hooks): Update.
6580 (lang_decode_option): Remove.
6581 (lang_init_options): Rename c_init_options.
6582 * toplev.c (main): Use lang_hooks for lang_init_options
6583 and lang_decode_option.
6584 * toplev.h (lang_hooks): Add 2 new hooks.
6585 * tree.h: Remove lang_init_options and lang_decode_option.
6586 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6587 * cp/decl2.c: Similarly.
6588 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6589 (lang_hooks): Update.
6590 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6591 for consistency.
6592 (lang_init_options): Rename ffe_init_options.
6593 (lang_hooks): Update.
6594 (lang_decode_option): Remove.
6595 * java/lang.c (lang_init_options): Rename java_init_options.
6596 (lang_decode_option): Rename java_decode_option.
6597 (lang_hooks): Update.
6598 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6599 (lang_decode_option): Rename objc_decode_option.
6600 (lang_hooks): Update.
6602 2001-01-09 Nick Clifton <nickc@redhat.com>
6604 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6605 (d30v_return_addr_rtx): Delete.
6606 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6607 cfun->machine structure.
6608 (struct machine_function): Move to d30v.h
6609 (d30v_save_machine_status): Delete.
6610 (d30v_restore_machine_status): Delete.
6611 (d30v_init_machine_status): New Function.
6612 (d30v_mark_machine_status): New Function.
6613 (d30v_free_machine_status): New Function.
6614 (d30v_init_expanders): Use new functions.
6615 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6616 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6617 d30v_return_addr_rtx.
6619 * config/d30v/d30v.h (struct_machine): Move here.
6620 Add eh_epilogue_sp_ofs field.
6622 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6623 field in cfun->machine structure.
6625 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6627 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6628 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6629 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6631 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6633 * objc/lang-options.h: Remove bogus reference to
6634 Java trademark.
6636 2001-01-09 Kazu Hirata <kazu@hxi.com>
6638 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6639 return the result.
6641 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6643 * reload.c (find_reloads_address): Check for eliminable registers
6644 when substituting a constant expression for a pseudo.
6646 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6648 * c-common.c (enum format_type): Add format_type_error.
6649 (decode_format_type): New function.
6650 (decl_attributes): Use it.
6651 (format_kind_info): Adjust comment.
6653 2001-01-09 David O'Brien <obrien@BSDi.com>
6655 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6656 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6657 files in tm_file.
6658 * config/i386/gnu.h: Don't include required platform specific .h files,
6659 tm.h will do it instead.
6660 * config/i386/i386elf.h: Likewise.
6661 * config/i386/linux.h: Likewise.
6662 * config/i386/moss.h: Likewise.
6663 * config/mips/gnu.h: Likewise.
6665 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6667 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6668 (rs6000-ibm-aix3.[01]*): Likewise.
6669 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6670 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6671 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6672 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6673 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6674 (powerpc-*-eabiaix*): Likewise.
6675 (powerpc-*-eabisim*): Likewise.
6676 (powerpc-*-elf*): Likewise.
6677 (powerpc-*-eabi*): Likewise.
6678 (powerpc-*-rtems*): Likewise.
6679 (powerpc-*-linux*libc1): Likewise.
6680 (powerpc-*-linux*): Likewise.
6681 (powerpc-wrs-vxworks*): Likewise.
6682 (powerpcle-wrs-vxworks*): Likewise.
6683 (powerpcle-*-sysv*): Likewise.
6684 (powerpcle-*-elf*): Likewise.
6685 (powerpcle-*-eabisim*): Likewise.
6686 (powerpcle-*-eabi*): Likewise.
6687 (powerpcle-*-solaris2*): Likewise.
6688 * config/rs6000/aix31.h: Delete includes.
6689 * config/rs6000/aix3newas.h: Likewise.
6690 * config/rs6000/aix41.h: Likewise.
6691 * config/rs6000/aix43.h: Likewise.
6692 * config/rs6000/beos.h: Likewise.
6693 * config/rs6000/rtems.h: Likewise.
6694 * config/rs6000/sysv4.h: Likewise.
6696 2001-01-09 Kazu Hirata <kazu@hxi.com>
6698 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6699 Change an argument mode of machine_mode to shift_mode of
6700 shift_mode. Remove an extra error check.
6701 (emit_a_shift): Adopt to the new calling prototype of
6702 get_shift_alg.
6703 (function_prologue): Fix code for a monitor
6704 function. Support H8/S.
6705 (function_epilogue): Do not output pop for a monitor function.
6707 2001-01-09 Nick Clifton <nickc@redhat.com>
6709 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6710 (setup_incoming_varargs): Use sysv_varargs_p field of the
6711 cfun->machine structure.
6712 (struct machine_function): Move to rs6000.h
6713 (rs6000_save_machine_status): Delete.
6714 (rs6000_restore_machine_status): Delete.
6715 (rs6000_init_machine_status): New Function.
6716 (rs6000_free_machine_status): New Function.
6717 (rs6000_init_expanders): Use new functions.
6719 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6720 export.
6721 (struct machine_function): Move here.
6723 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6724 sysv_varargs_p field of the cfun->machine structure.
6726 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6727 Remove prototype.
6728 (rs6000_restore_machine_status): Remove prototype.
6730 2001-01-09 Richard Henderson <rth@redhat.com>
6732 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6733 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6734 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6735 (sched_analyze_2, sched_analyze_insn): Likewise.
6736 (sched_analyze, init_deps): Likewise.
6737 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6738 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6739 (compute_block_backward_dependences): Update propagate_deps call.
6741 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6743 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6745 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6747 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6748 (cpp_handle_option): Handle them.
6749 (cpp_post_options): Ensure one of -M or -MM is specified with
6750 any other -M? option.
6751 (init_dependency_output): Suppress output with -MG.
6753 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6755 * cpp.texi: Update.
6756 * invoke.texi: Update.
6758 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6760 * sh.md (reload_outsf): Generate recognizable patterns for
6761 TARGET_SH3E.
6763 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6765 * c-lang.c (lang_hooks): Update.
6766 (lang_init): Rename c_init.
6767 (lang_finish): Remove.
6768 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6769 and lang_finish ().
6770 * toplev.h (lang_hooks): Add init () and finish ().
6771 * tree.h (lang_init, lang_finish): Remove.
6772 * cp/tree.h (lang_init, lang_finish): Remove.
6773 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6774 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6775 lang_hooks): New.
6776 (lang_init, lang_finish): Remove.
6777 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6778 (lang_hooks): Update.
6779 * java/lang.c (lang_init): Rename java_init.
6780 (lang_finish): Remove.
6781 (lang_hooks): Update.
6782 * objc/objc-act.c (lang_init): Rename objc_init.
6783 (lang_finish): Remove.
6784 (lang_hoooks): Update.
6786 20001-01-09 Graham Stott <grahams@redhat.com>
6788 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6789 after `ptr` is initialised.
6791 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6793 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6794 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6795 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6796 stack adjusts, instead of r3.
6798 2001-01-09 Michael Hayes <mhayes@redhat.com>
6800 * flow.c (flow_loop_scan): Break out of ...
6801 (flow_loops_find) ... here.
6802 * basic-block.h (flow_loop_scan): New.
6803 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6804 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6806 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6808 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6809 macro_buffer_len.
6810 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6811 realloc()ing macro_buffer.
6813 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6814 if it's wider than long and the target's long is wider than the
6815 host's.
6817 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6819 Remove support for using UWIN as a host machine.
6820 * configure.in: Issue an error message.
6821 * configure: Regenerated.
6822 * config.gcc: Remove xm_* UWIN configury.
6823 * config/i386/xm-uwin.h: Remove.
6825 2001-01-08 Nick Clifton <nickc@redhat.com>
6827 * config/v850/v850.c (ra_rtx): Delete.
6828 (v850_save_machine_status): Delete.
6829 (v850_restore_machine_status): Delete.
6830 (v850_init_machine_status): New function.
6831 (v850_mark_machine_status): New function.
6832 (v850_free_machine_status): New function.
6833 (v850_return_addr): Use ra_rtx field in machine structure.
6834 (v850_init_expanders): Use new functions.
6836 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6837 * config/v850/v850.c: Change arguments to v850_output+* functions
6838 to take a const char *, to avoid compile time warning.
6839 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6840 (USER_LABEL_PREFIX): Redefine.
6842 2000-01-08 Jim Wilson <wilson@redhat.com>
6844 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6845 1 to unsigned HOST_WIDE_INT before left shift.
6847 2001-01-08 Nick Clifton <nickc@redhat.com>
6849 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6850 the machine structure has been allocated.
6851 (arm_free_machine_status): New function: Free the machine
6852 specific function structure.
6854 2001-01-08 Richard Henderson <rth@redhat.com>
6856 * jump.c (simplejump_p): Revert last change.
6858 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6860 * cppinit.c (init): Rename init_library.
6861 (cpp_create_reader): Update.
6862 * gcc.c (cpp_options): If -o given, use it as the target of
6863 any -M options.
6865 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6867 * arm.c (arm_arch5e): New variable.
6868 (all_cores): XScale is a 5TE device.
6869 (arm_override_options): Set arm_arch5e.
6870 (arm_init_builtins): __builtin_prefetch is in arch5e.
6871 * arm.h (arm_arch5e): Declare it.
6873 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6875 * arm.md (define_constants): Add defines for UNSPEC and
6876 UNSPEC_VOLATILE insns. Update all users.
6877 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6878 * arm.c (multi_register_push, note_invalid_constants)
6879 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6880 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6881 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6883 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6885 * jump.c (jump_optimize_1): Use reversed_comparison_code
6886 instead of can_reverse_comparison_p.
6887 (jump_back_p): Likewise.
6888 (invert_exp_1): Likewise.
6889 (thread_jumps): Likewise.
6890 * simplify-rtx.c (simplify_unary_operation): Likewise.
6891 (simplify_ternary_operation): Likewise.
6892 * cse.c (find_comparison_args): Convert to use
6893 can_reverse_comparison_p.
6894 (record_jump_equiv): Likewise.
6896 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6898 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6899 (EPILOGUE_USES): Define.
6900 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6901 automatically stack the LR if it isn't live.
6903 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6905 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6906 properly.
6908 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6910 * ggc-page.c (max_alignment): New structure.
6911 (MAX_ALIGNMENT): New macro.
6912 (init_ggc): Use it to round up the sizes in the
6913 extra_order_size_table.
6915 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6917 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6918 after reload.
6920 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6922 * builtins.def (BUILT_IN_FPRINTF): New entry.
6924 * c-common.c (c_expand_builtin_fprintf): New function.
6925 (init_function_format_info): Handle __builtin_fprintf.
6926 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6927 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6929 * c-decl.c (duplicate_decls): Adjust comment.
6931 * extend.texi (fprintf): Document new builtin.
6933 2001-01-07 Richard Henderson <rth@redhat.com>
6935 * jump.c (simplejump_p): Recognize any single_set jump
6936 of the proper form.
6938 2001-01-07 Richard Henderson <rth@redhat.com>
6940 * configure.in (slibdir): Accept an --with-slibdir option.
6941 Use "test" not "[" in configure. Default to $(libdir).
6943 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6944 fix typo in rm -f.
6945 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6946 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6947 (SHLIB_LINK): Create links for the soname.
6948 * config/mips/t-iris6: Likewise.
6949 * config/sparc/t-slibgcc: Likewise.
6950 * config/sparc/t-slibgcc-sld: Likewise.
6952 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6954 * config/i386/i386.c (constant_call_address_operand): Accept
6955 (const (plus (symbol_ref) (const_int))).
6956 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6957 constant_call_address_operand.
6959 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6961 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6962 and LONG_LONG_TYPE_SIZE > 32.
6964 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6966 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6967 the previous change.
6969 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6971 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6972 New.
6973 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6974 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6975 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6976 Declare.
6978 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6980 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6982 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6984 * c-lang.c (c_post_options): Call cpp_post_options.
6985 * objc/objc-act.c (objc_post_options): Similarly.
6986 * cppmain.c (main): Similarly.
6987 * fix-header.c (read_scan_file): Similarly.
6988 * cppinit.c (cpp_start_read): Move option consistency checks
6989 to cpp_post_options. Don't call init_dependency_output.
6990 If needed, add default target and main file dependency.
6991 (OPT_MD, OPT_MMD): Remove.
6992 (OPT_MF): New.
6993 (cpp_handle_option): Update for OPT_* changes.
6994 (cpp_post_options): New.
6995 (init_dependency_output): Command line -MF overrides environment
6996 variables. Don't set default target etc. Suppress output
6997 if dependencies are going to stdout.
6998 (print_help): Update.
6999 * cpplib.h (cpp_post_options): New.
7000 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7002 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7004 * jump.c (comparison_dominates_p): Support unordered compares.
7006 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7008 * simplify-rtx.c (simplify_relational_operation): Always simplify
7009 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7010 and UNGE.
7012 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7014 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7015 (nonzero_bits): Likewise.
7016 (simplify_comparison): Likewise.
7017 (num_sign_bit_copies): Likewise; return more sane value depending
7018 on STORE_FLAG_VALUE.
7019 (known_cond): Do not assume EQ to be always true for equivalent
7020 operands.
7022 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7024 * cse.c (fold_rtx): Handle unordered comparisons.
7026 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7028 * rtlanal.c (set_of_1): New static function.
7029 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7030 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7031 reg_set_last_last_regno): Remove.
7032 (set_of): New global function.
7033 (set_of_data): New structure.
7034 (reg_set_p, reg_set_last): Revamp for set_of.
7035 * rtl.h (set_of): New.
7037 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7039 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7040 * extend.texi: Document _Exit builtin.
7042 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7044 * (initialize, initialize_builtins,
7045 initialize_dependency_output, initialize_standard_includes):
7046 Rename s/initialize/init. Update.
7047 (init_dependency_output): Move to after
7048 cpp_handle_options, the correct location temporally at least.
7049 (opt_comp): Move next to init (), its caller. Fix prototype.
7050 (init): Make "initialized" local scope.
7051 (cpp_create_reader): Always call init ().
7052 (cpp_start_read): Update.
7053 (output_deps): New function, broken out of cpp_finish.
7054 (cpp_finish): Break out output_deps.
7056 2001-01-07 Richard Henderson <rth@redhat.com>
7058 * collect2.c (COFF specific stuff): Revert 12-06 patch
7059 to prototype system functions.
7061 2001-01-07 Michael Hayes <mhayes@redhat.com>
7063 * hard-reg-set.h: Add multiple include guard.
7064 * basic-block.h (struct loop): Add `sink' field.
7065 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7066 (emit_iv_add_mult): Delete.
7067 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7068 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7069 (unroll_loop): Remove end_insert_before argument.
7070 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7071 (maybe_eliminate_biv_1): Likewise.
7072 (emit_iv_add_mult): Delete.
7073 (gen_add_mult, loop_regs_update): New.
7074 (loop_insn_emit_after, loop_insn_emit_before): New.
7075 (loop_insn_sink, loop_insn_sink_or_swim): New.
7076 (emit_iv_add_mult): Delete.
7077 (scan_loop): Set loop->sink.
7078 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7079 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7080 (maybe_eliminate_biv_1): Likewise.
7081 (maybe_eliminate_biv_1): Add basic block argument.
7082 * unroll.c (unroll_loop): Remove end_insert_before argument.
7083 (find_splittable_regs): Likewise.
7084 (find_splittable_regs): Use loop_insn_sink and its ilk.
7085 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7087 2001-01-07 Michael Hayes <mhayes@redhat.com>
7089 * loop.h (loop_insn_hoist): New prototype.
7090 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7091 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7092 (check_dbra_loop, load_mems): Likewise.
7093 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7094 (find_splittable_givs): Likewise.
7096 2001-01-07 Michael Hayes <mhayes@redhat.com>
7098 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7100 2001-01-07 Richard Henderson <rth@redhat.com>
7102 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7104 2001-01-07 Richard Henderson <rth@redhat.com>
7106 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7107 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7108 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7109 variant that handles a shared libgcc.
7110 (process_command): Always validate -{static,shared}-libgcc.
7111 (do_spec_1): New 'M' case.
7112 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7114 2001-01-07 Richard Henderson <rth@redhat.com>
7116 * Makefile.in (slibdir): New variable.
7117 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7118 (installdirs): Create slibdir.
7119 (install-libgcc, install-multilib): Defer to libgcc.mk.
7120 * configure.in (slibdir): Substitute.
7121 * mklibgcc.in (install): New target.
7123 * config/t-linux (SHLIB_LINK): Create links for the soname.
7124 (SHLIB_INSTALL): New.
7125 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7126 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7127 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7128 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7129 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7131 2001-01-07 Richard Henderson <rth@redhat.com>
7133 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7134 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7135 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7137 2001-01-07 Michael Hayes <mhayes@redhat.com>
7139 * loop.c (count_loop_regs_set): Delete.
7140 (load_mems_and_recount_loop_regs_set): Delete.
7141 (loop_regs_scan): Merge common code from count_loop_regs_set,
7142 scan_loop, and load_mems_and_recount_loop_regs_set.
7143 (scan_loop): Call load_mems directly and loop_regs_scan
7144 again if new registers created.
7146 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7148 * toplev.c (main): Call the front-end specific post_options
7149 hook if one is given.
7150 * toplev.h (struct_lang_hooks, lang_hooks): New.
7151 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7152 for the C front end.
7153 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7154 lang_hooks for the C++ front end.
7155 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7156 lang_hooks for the ObjC front end.
7157 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7158 * java/lang.c (lang_hooks): Hooks for the Java front end.
7160 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7162 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7163 for verbose DWARF[2] debugging.
7164 (cb_define, cb_undef): The new callbacks.
7165 * toplev.h (debug_define, debug_undef): Make const correct.
7166 * toplev.c (debug_define, debug_undef): Similarly. Do not
7167 perform the verbosity tests here anymore.
7169 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7171 * reload.c (subst_reloads): Take INSN argument. When
7172 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7173 * reload.h (subst_reloads): Adjust prototype.
7174 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7175 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7176 present in JUMP_INSNs and copy them to JUMP_LABEL.
7177 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7178 JUMP_INSNs and insns with REG_LABELs that are followed by
7179 JUMP_INSNs with the same REG_LABEL.
7180 * sched-rgn.c (is_cfg_nonregular): Likewise.
7181 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7182 note is available.
7183 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7184 JUMP_INSNs too.
7185 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7187 2001-01-06 Richard Henderson <rth@redhat.com>
7189 * loop.c (scan_loop): Use xcalloc for the regs array.
7190 (load_mems_and_recount_loop_regs_set): Zero the new memory
7191 received from xrealloc.
7193 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7195 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7197 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7199 * integrate.c (copy_rtx_and_substitute): When copying
7200 an ignored return value, strip REG_FUNCTION_VALUE_P.
7202 2001-01-06 Michael Hayes <mhayes@redhat.com>
7204 * loop.c (debug_biv, debug_giv): New.
7205 (loop_biv_dump): Break out from ...
7206 (record_biv): ... here.
7207 (loop_giv_dump): Break out from ...
7208 (record_giv): ... here.
7209 (loop_bivs_check): Use print_simple_rtl.
7210 * unroll.c (loop_iterations): Use print_simple_rtl.
7212 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7214 * pa.md (return, return_internal): Modify patterns to prevent regrename
7215 mucking with the return pointer.
7217 2001-01-05 Richard Henderson <rth@redhat.com>
7219 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7221 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7223 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7224 version supplied by Matteo Frigo.
7226 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7228 * cpp.texi: Update for -MQ.
7229 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7230 (cpp_cleanup): Always free pfile->deps.
7231 (initialize_dependency_output): Don't create pfile->deps.
7232 (cpp_handle_option): Similarly.
7233 (OPT_MQ): New.
7234 * gcc.c (cpp_options): Handle -MQ.
7235 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7236 * mkdeps.c (base_name): Remove.
7237 (deps_init): Don't allocate vector space until it's needed.
7238 (deps_free): Only free vectors if allocated.
7239 (deps_add_target, deps_add_dep): Update for initial allocation.
7240 (deps_add_default_target): Don't strip to the base_name.
7242 2001-01-05 DJ Delorie <dj@redhat.com>
7244 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7245 (INIT_EXPANDERS): Define.
7247 * config/v850/v850.c (struct machine_function): Define.
7248 (v850_save_machine_status): New function.
7249 (v850_restore_machine_status): New function.
7250 (v850_return_addr): New function.
7251 (v850_init_expanders): New function.
7253 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7254 and v850_init_expanders.
7256 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7258 * cpplib.h (struct cpp_reader): Add help_only field.
7259 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7260 (cpp_handle_option): Set pfile->help_only if we see -h,
7261 --help, -target-help, or --version. Print version string but
7262 do not set help_only if we see -v or -version. Make text
7263 printed by -v match that printed by (-)-version.
7265 * cppmain.c (main): Exit after option parsing if
7266 pfile->help_only is true.
7268 * toplev.c (independent_decode_option): Call print_version,
7269 then exit, if we see --version (but not -version).
7270 (print_version): Split lengthy message into two lines.
7272 2001-01-05 Nick Clifton <nickc@redhat.com>
7274 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7275 temporary string for initialisation before calling ggc_alloc_string.
7277 2001-01-06 Michael Hayes <mhayes@redhat.com>
7279 * rtl.h (print_simple_rtl): New.
7280 * print-rtl.c (print_simple_rtl): New.
7281 (flag_simple): New.
7282 (print_rtx): Disable printing of flags and modes, etc.,
7283 if `flag_simple` nonzero.
7285 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7287 * function.c (fixup_var_refs): Use push_to_full_sequence where
7288 possible.
7290 2001-01-05 Michael Meissner <meissner@redhat.com>
7292 * flags.h (flag_reorder_blocks): Add declaration.
7293 (flag_rename_block): Ditto.
7295 2001-01-05 DJ Delorie <dj@redhat.com>
7297 * function.c (reorder_blocks): Make sure the flags are all reset
7298 before using them to mark blocks, else a second invocation will
7299 corrupt the block chain.
7300 (reorder_blocks_0): New, resets the flags.
7302 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7304 * cse.c (find_comparison_args): Stop if the argument is known to
7305 be constant.
7307 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7309 * config/sh/sh.md (movdf): When splitting load into pair of
7310 registers, don't clobber the register used in the address too
7311 early.
7313 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7315 * varasm.c (mark_constant_pool): Improve initial comments.
7316 (mark_constants): Move marking of constants to mark_constant.
7317 (mark_constant): New function to recursively mark all constants
7318 referred to by a constant.
7320 2001-01-05 Catherine Moore <clm@redhat.com>
7322 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7324 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7326 * cp/lang-options.h: Bring comment in line with reality.
7327 * f/lang-options.h: Likewise.
7328 * java/lang-options.h: Likewise.
7329 * objc/lang-options.h: Likewise.
7330 * ch/lang-options.h: Likewise.
7331 * f/g77.texi: And update the manual.
7333 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7334 Denis Chertykov <denisc@overta.ru>
7336 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7337 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7338 * config/avr/avr.md (all peepholes that request a scratch register):
7339 Call it, FAIL the peephole if not safe (in interrupt functions).
7341 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7343 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7345 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7347 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7348 Define.
7349 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7350 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7351 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7352 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7353 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7354 BUILT_IN_CIMAG.
7355 * extend.texi: Document these builtins.
7357 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7359 * c-common.c (lang_get_alias_set): Say we know nothing of
7360 VECTOR_TYPE aliasing.
7362 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7364 2001-01-05 Bruce Korb <bkorb@gnu.org>
7366 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7367 their x* equivalent versions for atexit-less systems
7368 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7369 systems (or any other system any more).
7371 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7373 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7374 output operands. Use arm_hard_register_operand for operand 4.
7375 (stmsi_postinc): Similarly.
7376 (ldmsi): Use arm_hard_register_operand for opernand 2.
7377 (stmsi): Similarly.
7378 * arm.c (arm_hard_register_operand): New function.
7379 * arm-protos.h (arm_hard_register_operand): Prototype it.
7381 * arm.h (HARD_REGNO_RENAME_OK): Define.
7383 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7385 * simplify-rtx.c (cfc_args): add "unordered" field.
7386 (check_fold_consts): Set unordered field.
7387 (simplify_relational_operation): Simplify the unordered
7388 comparisons.
7390 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7391 is valid.
7393 * emit-rtl.c (try_split): Fix code to mark labels.
7394 * jump.c (mark_jump_label): Make global.
7395 * rtl.h (mark_jump_label): Declare.
7397 * predict.c (estimate_probability): Handle unordred comparisons.
7399 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7401 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7402 * cppinit.c (initialize_dependency_output): Update.
7403 (cpp_finish): Output dummy targets for -MP.
7404 (OPT_MP): New.
7405 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7406 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7407 * gcc.c (cpp_options): Update to handle -MP.
7408 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7409 to quote only the default target.
7410 (deps_phony_targets): Insert a preceding newline. Rename from
7411 deps_dummy_targets for consistency.
7412 * mkdeps.h: Update
7414 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7416 * calls.c (emit_library_call_value_1): Support
7417 INIT_CUMULATIVE_LIBCALL_ARGS.
7418 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7420 2001-01-04 Richard Henderson <rth@redhat.com>
7422 * c-decl.c (finish_struct): Detect flexible array members
7423 used in an inappropriate context.
7424 * c-typeck.c (really_start_incremental_init): Special case
7425 constructor_max_index for zero length arrays.
7426 (pop_init_level): Allow initialization of flexible array
7427 members. Deprecate initialization of zero length arrays.
7428 Don't issue missing initializer warning for flexible array
7429 members or zero length arrays.
7430 (process_init_element): Don't dereference null DECL_SIZE.
7431 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7432 Don't abort for empty constructors. Use size_binop
7433 (output_constructor): Add commentary regarding zero length
7434 array futures. Abort if we try to initialize an array of
7435 unspecified length with a non-empty constructor in the middle
7436 of a structure.
7438 * extend.texi (Zero Length): Update and clarify documentation
7439 on static initialization.
7441 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7443 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7444 with more than 32767 words of local storage.
7446 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7448 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7449 for 'abs', 'labs', and 'fabs'.
7450 (c4x_expand_builtin): Likewise.
7451 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7453 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7455 * config/sh/sh.md (prget, prset): New insn types.
7456 (return delay slot): Dont' allow prset.
7457 (call, sfunc delay slot): Don't allow prget.
7458 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7459 for prset and prget.
7461 2001-01-05 Michael Hayes <mhayes@redhat.com>
7463 * loop.h (struct loop_reg): New.
7464 (struct loop_regs): Change to use array of `struct loop_reg'.
7465 * loop.c: Replace assortment of varrays with single regs array.
7466 (count_one_set): Delete may_not_move array argument
7467 and use regs array instead. All caller's changed.
7468 (count_loop_regs_set): Delete may_not_move and single_usage
7469 arguments and use regs array instead. All caller's changed.
7470 (find_single_use_in_loop): Replace usage array argument with pointer
7471 to regs structure. All caller's changed.
7472 (loop_optimize): Delete `moved_once' array.
7474 2001-01-05 Michael Hayes <mhayes@redhat.com>
7476 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7477 Use it instead of loop_info->has_call for scanning loop mems.
7478 (check_dbra_loop): Replace loop_info->has_call test with
7479 loop_info->has_nonconst_call.
7481 2000-01-04 Matthew Hiller <hiller@redhat.com>
7483 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7484 for TARGET_SH3E.
7486 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7488 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7489 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7491 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7493 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7494 (flag_short_double, flag_short_wchar): Define.
7495 (c_common_nodes_and_builtins): Create many tree nodes shared
7496 between C and C++ here instead of in cp/decl.c and ...
7497 * c-decl.c (init_decl_processing): ... here.
7498 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7499 (flag_short_double, flag_short_wchar): Don't define.
7500 (record_builtin_type): New function.
7501 (build_void_list_node): New function.
7502 * c-common.h (flag_short_double, flag_short_wchar,
7503 record_builtin_type, build_void_list_node): Declare.
7505 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7507 * integrate.c (expand_inline_function): Don't put a virtual
7508 register into the reg map.
7510 * function.c (fixup_var_refs_1): If force_operand didn't put
7511 the address into the target, move it there.
7513 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7515 Special-case tree_decl/tree_list allocations.
7516 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7517 (OBJECT_SIZE): New macro.
7518 (NUM_EXTRA_ORDER): Likewise.
7519 (extra_order_size_table): New variable.
7520 (NUM_ORDERS): New macro.
7521 (objects_per_page_table): New variable.
7522 (object_size_table): New variable.
7523 (G.pages): Use NUM_ORDERS to bound the array.
7524 (G.page_tails): Likewise.
7525 (DIV_ROUND_UP): Remove.
7526 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7527 (alloc_page): Use OBJECT_SIZE.
7528 (size_lookup): Don't make it const.
7529 (ggc_alloc): Use OBJECT_SIZE.
7530 (ggc_set_mark): Likewise.
7531 (ggc_get_size): Likewise.
7532 (init_ggc): Set up the object_size_table, objects_per_page_table,
7533 and adjust size_lookup.
7534 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7535 (ggc_pop_context): Use NUM_ORDERS.
7536 (clear_marks): Likewise.
7537 (sweep_pages): Likewise.
7538 (poison_pages): Likewise.
7539 (ggc_print_statistics): Use OBJECT_SIZE.
7541 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7543 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7544 Only call array_size_for_constructor if last field and array type
7545 with no upper bound.
7547 2001-01-04 Philip Blundell <philb@gnu.org>
7549 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7550 from bit 31 downwards, if this requires no more insns.
7551 (count_insns_for_constant): New helper function for above.
7553 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7555 * gencodes.c (output_predicate_decls): Remove empty initializer.
7557 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7559 * tree.c (copy_node): Remove documentation about obstacks.
7560 (buidl1): Check that nobody tries to build 2-argument nodes this
7561 way.
7563 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7565 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7566 fp_high_losum_p.
7568 * gencodes.c (output_predicate_decls): Fill empty initializer
7569 braces.
7571 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7573 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7574 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7575 or -MM.
7576 (do_include): Handle missing headers like cpp0.
7577 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7578 paths with first include pathname. Don't strcat to uninitialized
7579 string.
7581 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7583 * regrename.c (regrename_optimize): Don't rename from frame pointer
7584 if frame_pointer_needed.
7585 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7586 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7587 (ia64_reorg): Use it instead of scheduling if ! optimize.
7588 (errata_emit_nops): Properly call asm_noperands.
7589 (ia64_sched_reorder): Finish cycle if we see an asm.
7590 (ia64_variable_issue): Clear scheduling state after asms.
7592 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7594 * cpp.texi: Update for -MT.
7595 * cppinit.c (initialize_dependency_output): Add a default
7596 target if none has been given already.
7597 (no_tgt, OPT_MT): New.
7598 (cpp_handle_option): Handle -MT. Update -M etc.
7599 * cpplib.h (struct cpp_options): Remove deps_target.
7600 * gcc.c (cpp_options): Handle -MT.
7601 * mkdeps.c (struct deps): Move from mkdeps.h.
7602 (deps_calc_target): Rename deps_add_default_target. Add a
7603 default target if none has been specified already.
7604 * mkdeps.h (struct deps): Move to mkdeps.c.
7605 (deps_calc_target): Rename deps_add_default_target.
7607 2000-01-03 Richard Henderson <rth@redhat.com>
7609 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7610 Remove dead code.
7611 * c-typeck.c (push_init_level): Move checks for flexible array
7612 members and zero length arrays ...
7613 (pop_init_level): ... here. Silently discard empty initializations.
7614 Remove dead code.
7615 * varasm.c (output_constructor): Update for sizeof change to
7616 zero-length arrays.
7618 * extend.texi (Zero Length): Clarify semantics.
7620 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7622 * configure.in (tm.h): Include isns-codes.h last.
7623 * configure: Rebuilt.
7625 2001-01-03 Richard Henderson <rth@redhat.com>
7627 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7628 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7630 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7632 * tradcpp.c (main): Make sure finclude() is called with a valid
7633 indepth value while handling -include.
7635 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7637 * gencodes.c (output_predicate_decls): New function.
7638 (main): Call it.
7639 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7640 even if it is not the first time machmode.h is #included.
7641 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7642 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7643 * gcc.texi (Copyright): Added 2001.
7645 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7647 * c-common.c (c_common_lang_init): New function. Warn if format
7648 warning options which only have effects when used with -Wformat
7649 are used without -Wformat.
7650 * c-common.h (c_common_lang_init): Declare.
7651 * c-lang.c (lang_init): Call c_common_lang_init.
7652 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7654 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7656 * configure.in: Check for the mktemp command.
7657 * configure: Regenerate.
7658 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7659 $TEMP. Create temporary files with mktemp, if available at
7660 configure time; otherwise use set -C. Remove temporary files
7661 before exit.
7663 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7665 * configure.in: Require at least texinfo 4.0. Check for whether
7666 Pod::Man is sufficiently recent to regenerate GCC manpages.
7667 * configure: Regenerate.
7668 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7669 on #!.
7670 (GENERATED_MANPAGES): Define.
7671 (generated-manpages): New target. Depend on cpp.1 as well as
7672 gcov.1.
7673 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7674 configure to generated-manpages or empty) rather than on the
7675 manpages directly. Remove execute permission from installed
7676 gcov.1 as well as cpp.1.
7677 * cpp.1, gcov.1: Regenerate.
7679 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7681 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7682 tree_low_cst. Allow using cmpstrsi in more cases.
7684 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7686 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7687 sized types.
7689 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7691 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7692 * Makefile.in (HOST_CFLAGS): Mention build-make.
7694 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7696 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7697 as JUMP_INSN.
7699 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7701 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7702 a REG rtx.
7704 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7705 callers changed.
7707 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7708 reg_base_value and reg_known_value arrays.
7709 (init_alias_analysis): Add more cases to detect known values.
7710 * sched-deps.c (deps_may_trap_p): New function.
7711 (sched_analyze_2): Use it.
7713 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7715 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7716 don't discard an ASHIFTRT if we're shifting in a wider mode.
7718 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7720 * toplev.c (rest_of_compilation): Don't print basic block information
7721 when CFG isn't up to date.
7723 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7725 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7726 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7727 (UNALIGNED_SHORT_ASM_OP): Define.
7728 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7730 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7732 * fold-const.c (fold_convert): Fix typo.
7734 2001-01-02 Richard Henderson <rth@redhat.com>
7736 * c-common.h (ASM_INPUT_P): New.
7737 * c-parse.in (asm): Set it when needed.
7738 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7739 existance of an operand.
7741 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7743 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7744 (dwarf2out_frame_debug_expr): Likewise.
7745 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7747 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7749 * i386.c (ix86_split_to_parts): Return number of part required;
7750 handle TFmodes.
7751 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7752 TFmodes.
7753 (ix86_split_long_move): Use number of part returned
7754 by ix86_split_to_parts
7755 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7756 New macros.
7757 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7758 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7759 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7760 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7761 (ALIGN_MODE_128): Add TFmode.
7762 (IS_STACK_MODE): Likewise.
7763 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7764 (HARD_REGNO_OK): Support TFmodes.
7765 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7766 * i386.md (scheduler definitions): Use memory operand to determine
7767 fst/fld instructions; use mode attribute to determine real mode of
7768 the instruction.
7769 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7770 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7772 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7774 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7776 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7778 * expr.c (store_constructor_field): Update ALIGN before calling
7779 store_constructor.
7781 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7783 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7784 host_integerp.
7786 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7788 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7789 incomplete type.
7791 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7793 * c-decl.c (start_function): Don't warn on third parameter to main.
7795 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7797 * tsystem.h: Define HAVE_DECL_GETOPT.
7799 2001-01-02 Philip Blundell <pb@futuretv.com>
7801 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7802 of input operand.
7804 2001-01-02 Richard Henderson <rth@redhat.com>
7806 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7808 2001-01-02 Andreas Jaeger <aj@suse.de>
7810 * c-decl.c (c_decode_option): Remove support of
7811 -Wmissing-noreturn.
7813 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7814 (W_options): Add -Wmissing-noreturn here.
7816 * flow.c: Define lang_missing_noreturn_ok_p.
7817 (check_function_return_warnings): Use it.
7819 * c-common.h: Declare lang_missing_noreturn_ok_p.
7821 * c-lang.c (c_missing_noreturn_ok_p): New function.
7822 (lang_init): Set lang_missing_noreturn_ok_p.
7824 * invoke.texi (Warning Options): Document this.
7826 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7828 * extend.texi (C++ Extensions): New node for C++ attributes;
7829 describe init_priority and com_interface.
7830 * invoke.texi: Remove -finit-priority as it now has zero effect.
7831 * install.texi: Fix xref syntax.
7832 * md.texi: Likewise.
7834 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7836 * config.gcc (sparc64-wrs-vxworks*): New case.
7837 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7839 * config/sparc/sparc.c (sparc_override_options): Do support different
7840 pointer and architecture size.
7841 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7842 (POINTERS_EXTEND_UNSIGNED): Define.
7843 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7844 (FUNCTION_MODE): Define to be Pmode.
7845 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7847 * function.c (expand_function_end): Properly handle DECL_RESULT
7848 and copy when ptr_mode != Pmode.
7849 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7851 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7853 * c-common.c (c_common_nodes_and_builtins): Set prototype
7854 parameters for __builtin_fputs, __builtin_fputc and
7855 __builtin_fwrite. Don't declare plain fputc as a builtin.
7857 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7859 * loop.c (add_label_notes): Increment the label usage count when
7860 a note is added to an insn which refers to a CODE_LABEL.
7861 * gcse.c (add_label_notes): Likewise.
7863 2001-01-01 Andreas Jaeger <aj@suse.de>
7865 * loop.c (scan_loop): Use xmalloc to allocate movables.
7867 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7869 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7870 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7871 * reload1.c (REGISTER_MOVE_COST): Likewise.
7872 * regclass.c (REGISTER_MOVE_COST): Likewise.
7873 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7874 dimension. Adjust all users.
7875 (init_reg_sets_1): Iterate on all modes.
7876 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7877 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7878 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7879 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7880 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7881 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7882 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7883 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7884 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7885 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7886 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7887 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7888 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7889 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7890 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7891 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7892 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7893 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7894 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7895 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7896 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7897 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7898 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7899 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7900 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7901 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7902 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7904 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7906 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7907 arg VARIES_P. Call it with extra arg.
7908 (true_dependence): Likewise.
7909 * rtl.h (rtx_addr_can_trap_p): Declare.
7910 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7911 prototypes.
7912 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7913 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7914 pic offset table register if it's zero. All callers changed.
7915 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7917 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7919 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7920 STRING_POOL_ADDRESS_P.
7922 * config/sparc/sparc.c (input_operand): Properly test for short op.
7924 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7925 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7926 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7927 * config/sparc/elf.h: No longer include sol2.h.
7928 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7929 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7931 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7933 2001-01-01 Michael Hayes <mhayes@redhat.com>
7935 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7936 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7937 (record_initial): Likewise.
7938 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7939 (remap_split_bivs): Likewise.
7941 2001-01-01 Michael Hayes <mhayes@redhat.com>
7943 * loop.c (loop_ivs_free): New function.
7944 (strength_reduce): Break out from...
7946 2001-01-01 Michael Hayes <mhayes@redhat.com>
7948 * loop.h (struct iv): New.
7949 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7950 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7951 'reg_biv_class' fields with 'regs' and 'n_regs'.
7952 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7953 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7954 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7956 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7958 * resource.c (mark_referenced_resources): Abort() before
7959 attempting to mark a pseudo register.
7960 (mark_set_resources): Likewise.
7962 2001-01-01 Michael Hayes <mhayes@redhat.com>
7964 * loop.h (REG_IV_CLASS): New accessor macro.
7965 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7966 * unroll.c (REG_IV_CLASS): Likewise.
7968 See ChangeLog.4 for earlier changes.