1 2001-04-03 Richard Henderson <rth@redhat.com>
3 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6 2001-04-03 Richard Henderson <rth@redhat.com>
8 * rtl.h (LCT_THROW): New.
9 * calls.c (emit_library_call_value_1): Handle it.
10 * except.c (connect_post_landing_pads): Use it.
12 2001-04-03 Zack Weinberg <zackw@stanford.edu>
14 * gansidecl.h: Delete file.
15 * configure.in: Change all refs to gansidecl.h to use
16 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
18 * configure: Regenerate.
20 * Makefile.in (intl.o): Don't depend on gansidecl.h.
21 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
22 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
23 Don't include gansidecl.h.
24 * intl.c, main.c, version.c, fixinc/fixlib.h,
25 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
28 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
30 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
33 2001-04-03 Zack Weinberg <zackw@stanford.edu>
35 * config/i386/xm-beos.h, config/i386/xm-isc.h,
36 config/i386/xm-next.h, config/i386/xm-sco.h,
37 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
38 config/m88k/xm-m88k.h: Delete.
40 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
41 * config/romp/xm-romp.h: Don't define bcopy.
42 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
43 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
45 * config.gcc: Remove references to deleted files.
47 14 xm-host.h remain, 1 xm-cpu.h.
49 2001-04-03 Jakub Jelinek <jakub@redhat.com>
50 David S. Miller <davem@pierdol.cobaltmicro.com>
51 Andrew MacLeod <amacleod@redhat.com>
53 Use byte offsets in SUBREGs instead of words.
55 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
56 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
58 (add_stored_regs): Use subreg_regno_offset function.
59 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
61 (precompute_arguments): Use gen_lowpart_SUBREG.
62 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
63 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
64 (simplify_set): Rework to use SUBREG_BYTE.
65 (expand_field_assignment): Use SUBREG_BYTE.
66 (make_extraction): Use SUBREG_BYTE.
67 (if_then_else_cond): Use SUBREG_BYTE.
68 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
69 (gen_lowpart_for_combine): Compute full byte offset.
70 * cse.c (mention_regs): Use SUBREG_BYTE.
71 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
72 (canon_hash): Use SUBREG_BYTE.
73 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
74 (gen_lowpart_if_possible): Formatting.
75 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
77 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
78 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
79 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
80 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
81 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
82 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
83 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
84 certain invariants about SUBREGs the compiler creates.
85 (gen_lowpart_SUBREG): New function.
86 (subreg_hard_regno): New function to get the final register number.
87 (gen_lowpart_common): Use SUBREG_BYTE.
88 (gen_imagpart): Spacing nits.
89 (subreg_realpart_p): Use SUBREG_BYTE.
90 (gen_highpart): Use SUBREG_BYTE.
91 (subreg_lowpart_p): Always compute endian corrected goal offset,
92 even at the byte level, then compare against that.
93 (constant_subword): New function, pulled out all constant cases
94 from operand_subword and changed second argument name to offset.
95 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
96 and call constant_subword to do the work. Return const0_rtx if
97 looking for a word outside of OP.
98 (operand_subword_force): Change second arg name to offset.
99 * expmed.c (store_bit_field): Use SUBREG_BYTE.
100 (store_split_bit_field): Use SUBREG_BYTE.
101 (extract_bit_field): Use SUBREG_BYTE.
102 (extract_split_bit_field): Use SUBREG_BYTE.
103 (expand_shift): Use SUBREG_BYTE.
104 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
105 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
106 * flow.c (set_noop_p): Use SUBREG_BYTE.
107 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
108 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
109 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
111 (optimize_bit_field): Use SUBREG_BYTE.
112 (purge_addressof_1): Use SUBREG_BYTE.
113 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
114 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
115 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
116 * gengenrtl.c (special_rtx): Add SUBREG.
117 * global.c (mark_reg_store): Use SUBREG_BYTE.
118 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
119 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
120 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
121 final byte offset is congruent to subreg's mode size.
122 (subst_constants): Use SUBREG_BYTE.
123 (mark_stores): Use subreg_regno_offset function.
124 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
125 function and SUBREG_BYTE.
126 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
127 (reg_is_born): Use subreg_hard_regno.
128 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
129 endian correction code. Don't combine subregs unless resulting
130 offset aligns with type. Fix subreg constant extraction for DImode.
131 Simplify SUBREG of VOIDmode CONST_DOUBLE.
132 (general_operand): Remove dead mode_altering_drug code.
133 (indirect_operand): Use SUBREG_BYTE.
134 (constrain_operands): Use subreg_regno_offset function.
135 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
136 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
137 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
138 * regs.h (REG_SIZE): Allow target to override.
139 (REGMODE_NATURAL_SIZE): New macro which target can override.
140 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
141 on the entire subreg rtx.
142 (push_reload): Use SUBREG_BYTE in comments and code.
143 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
144 for hard registers inside subregs.
145 (operands_match_p): Use subreg_regno_offset.
146 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
147 containing hard regs.
148 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
149 corrections when fixing up MEM subregs.
150 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
151 subreg_regno_offset where appropriate.
152 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
153 byte endian corrections when fixing up MEM subregs.
154 (subst_reloads): When combining two subregs, make sure final
155 offset is congruent to subreg's mode size.
156 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
157 (refers_to_regno_for_reload_p): Use subreg_regno.
158 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
159 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
160 correction code for memory subreg fixups.
161 (forget_old_reload_1): Use subreg_regno_offset.
162 (choose_reload_regs): Use subreg_regno.
163 (emit_input_reload_insns): Use SUBREG_BYTE.
164 (reload_combine_note_store): Use subreg_regno_offset.
165 (move2add_note_store): Use subreg_regno_offset.
166 * resource.c (update_live_status, mark_referenced_resources): Use
167 subreg_regno function.
168 (mark_set_resources): Use subreg_regno function.
169 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
170 (subreg_regno_offset, subreg_regno): Define prototypes.
171 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
172 (gen_lowpart_SUBREG): Add prototype.
173 * rtl.texi (subreg): Update to reflect new byte offset representation.
174 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
175 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
176 (reg_overlap_mentioned_p): Use subreg_regno.
177 (replace_regs); Make sure final offset of combined subreg is
178 congruent to size of subreg's mode.
179 (subreg_regno_offset): New function.
180 (subreg_regno): New function.
181 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
182 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
183 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
184 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
185 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
186 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
187 (a29k_get_reloaded_address): Use SUBREG_BYTE.
188 (print_operand): Use SUBREG_BYTE.
189 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
190 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
191 (arm_reload_out_hi): Use SUBREG_BYTE.
192 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
193 instead of SUBREG_WORD.
194 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
195 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
196 SUBREG creation to use byte offset.
197 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
198 inverted load insns): Fix explicit rtl subregs to use byte
200 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
201 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
202 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
203 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
205 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
206 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
207 offsets, also make sure it is congruent to SUBREG's mode size.
208 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
209 unnamed ldob insn): Generate SUBREGs with byte offset.
210 (zero_extendqihi2): SUBREG's are byte offsets.
211 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
212 (m68hc11_gen_highpart): Use SUBREG_BYTE.
213 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
214 zero-extendqisi2): Generate SUBREGs with byte offset.
215 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
216 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
217 subregs in rtl to use byte offsets.
218 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
219 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
220 (mips_move_2words): Use subreg_regno_offset.
221 (mips_secondary_reload_class): Use subreg_regno_offset.
222 * config/mips/mips.md (DImode plus, minus, move, and logical op
223 splits): Fixup explicit subregs in rtl to use byte offsets.
224 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
225 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
226 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
227 rtl to use byte offsets.
228 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
229 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
230 subregs to use byte offsets.
231 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
232 Fixup explicit subregs in rtl to use byte offsets.
233 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
234 and remove byte endian correction code.
235 * config/sh/sh.c (output_movedouble): Use subreg_regno.
236 (gen_ashift_hi): Use SUBREG_BYTE.
237 (regs_used): Use subreg_regno_offset.
238 (machine_dependent_reorg): Use subreg_regno_offset.
239 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
240 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
241 (movdf_i4): Subregs are byte offsets now.
242 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
243 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
244 (REGMODE_NATURAL_SIZE): Override.
245 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
246 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
248 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
249 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
250 extendqidi2): Generate SUBREGs with byte offsets, also make sure
251 it is congruent to SUBREG's mode size.
252 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
254 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
255 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
256 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
257 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
258 * config/v850/v850.c (print_operand, output_move_double): Use
259 subreg_regno function.
261 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
263 * configure.in (target_subdir): Use target_alias, not target.
264 * configure: Rebuilt.
266 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
268 * config/sh/crti.asm: Fix typos in comments.
270 2001-04-03 Alan Modra <alan@linuxcare.com.au>
272 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
273 TARGET_FAST_INDIRECT_CALLS.
274 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
276 (return_addr_rtx): Short circuit export stub matching when
277 TARGET_NO_SPACE_REGS.
278 (output_millicode_call): For out of range calls, make -fPIC
279 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
280 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
281 * pa.md: Modify length attr calculation of all millicode insns to
284 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
286 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
287 Require at least 2.11 in the version test. Specifically check
288 for and reject GAS version 2.10.90.
289 * configure: regenerate.
291 2001-04-03 Alan Modra <alan@linuxcare.com.au>
293 * pa.c (override_options): Remove PIC profiling warning.
294 (hp_profile_labelno): Delete.
295 (hp_profile_label_rtx): Delete.
296 (hp_profile_label_name): Delete.
297 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
298 (output_function_prologue): Remove profiling code and all tests on
299 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
300 merge_sp_adjust_with_store can work for PIC and profiling.
301 (hppa_expand_epilogue): Remove profile_flag test.
302 (hppa_can_use_return_insn_p): Likewise.
303 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
304 cater for PROFILE_HOOK.
305 (hppa_profile_hook): New function.
306 * pa.h (FUNCTION_PROFILER): Now does nothing.
307 (PROFILE_HOOK): Define.
308 (hppa_profile_hook): Declare.
309 (PROFILE_BEFORE_PROLOGUE): Delete.
310 (ASM_OUTPUT_REG_PUSH): Delete.
311 (ASM_OUTPUT_REG_POP): Delete.
312 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
313 r24. Accept function name operand, and use this and a locally
314 generated label to calculate pc-rel offset to func start.
316 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
319 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
322 2001-04-03 Alan Modra <alan@linuxcare.com.au>
324 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
325 LO_SUM cases to where they belong.
327 2001-04-02 Richard Henderson <rth@redhat.com>
329 * except.h (lang_eh_type_covers): Mark extern.
330 (lang_eh_runtime_type): Likewise.
332 2001-04-02 Zack Weinberg <zackw@stanford.edu>
334 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
335 gengenrtl.c: Wrap generated header in multiple-include guard.
336 Improve error checking.
338 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
340 * configure.in: Don't check for putenv.
341 * configure: Regenerate.
342 * gcc.c (putenv): Don't define.
343 * vax/xm-vms.h: Handle putenv.
345 2001-04-02 Jakub Jelinek <jakub@redhat.com>
347 * ifcvt.c (noce_emit_move_insn): New.
348 (noce_try_store_flag, noce_try_store_flag_constants,
349 noce_try_store_flag_inc, noce_try_store_flag_mask,
350 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
351 noce_try_abs): Use it.
352 (noce_process_if_block): Likewise.
353 For STRICT_LOW_PART, take mode from its SUBREG.
355 2001-04-02 Jakub Jelinek <jakub@redhat.com>
357 * fold-const.c (fold): Before optimizing unsigned comparison with
358 0x7fffffffU, make sure arg0 is integral type.
360 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
362 * c-tree.texi: Document representation of wide strings.
364 2001-04-01 Richard Henderson <rth@redhat.com>
366 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
368 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
370 * i386.md: remove obsoleted comments.
371 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
372 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
375 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
377 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
379 2001-03-30 Bernd Schmidt <bernds@redhat.com>
381 * loop.c (load_mems): When generating a load from a pseudo, update
384 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
386 * i386.c (ix86_split_long_move): Use change address to compensate
387 stack pointer change in push instruction.
389 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
391 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
392 instead of rtx_equal_p; fix the output template.
394 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
396 * i386.c (ix86_expand_setcc): Support 64bit.
397 (ix86_expand_int_movcc): Likewise.
398 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
401 * i386.md (allocate_stack_worker): Turn to expander.
402 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
404 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
406 2001-03-29 Richard Henderson <rth@redhat.com>
408 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
410 2001-03-28 Matthew Hiller <hiller@redhat.com>
412 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
415 * MAINTAINERS: Added self.
417 2001-03-28 Richard Henderson <rth@redhat.com>
419 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
420 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
422 2001-03-28 Jim Wilson <wilson@redhat.com>
424 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
427 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
431 * tradcif.y (yyerror): Likewise. Add format specifier in call to
434 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
436 2001-03-28 DJ Delorie <dj@redhat.com>
438 * Makefile.in (stage1_build): Revert CFLAGS patch.
440 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
442 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
443 when multiplier or multiplicand is zero.
445 2001-03-28 Bernd Schmidt <bernds@redhat.com>
447 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
449 * config/ia64/ia64.c (update_set_flags): New function, broken out of
451 (set_src_needs_barrier): Likewise.
452 (rtx_needs_barrier): For SET case, use these two functions. Rework
453 PARALLEL case to handle all inputs before all outputs.
454 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
455 saw a label and no stop bit since then.
456 (maybe_rotate, process_epilogue): Add prototypes.
458 2001-03-28 Richard Henderson <rth@redhat.com>
460 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
461 not TARGET_TOC for special toc restore handling.
462 * config/rs6000/rs6000.md (eh_return): Likewise.
464 2001-03-28 Richard Henderson <rth@redhat.com>
466 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
467 current_function_calls_eh_return.
468 (output_function_epilogue): Handle eh_return.
469 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
470 (EH_RETURN_DATA_REGNO): New.
471 (EH_RETURN_STACKADJ_RTX): New.
472 (EH_RETURN_HANDLER_RTX): New.
473 * config/sparc/sparc.md (call/short branch peepholes): Check
474 can_throw_internal instead of in_same_eh_region.
476 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
477 for eh_return data registers.
478 (rs6000_emit_prologue): Save eh_return data registers.
479 (rs6000_emit_epilogue): Force inline restores if eh_return.
480 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
481 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
482 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
483 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
485 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
486 (return_eh_si, return_eh_di): Remove.
487 (eh_return): New, from corpse of eh_epilogue.
488 (eh_set_lr_si, eh_set_lr_di): New.
490 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
491 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
492 True for pic register if current_function_calls_eh_return.
493 (ix86_expand_epilogue): Change "emit_return" argument into "style".
494 Handle eh_return requirements.
495 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
496 (EH_RETURN_STACKADJ_RTX): New.
497 * config/i386/i386.md (exception_receiver): Remove.
498 (eh_return, eh_return_1): New.
499 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
501 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
502 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
503 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
504 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
505 (EH_RETURN_DATA_REGNO): New.
506 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
507 * config/alpha/alpha.md (eh_epilogue): Remove.
508 (exception_receiver): Use $26 for ldgp input.
509 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
511 2001-03-28 Richard Henderson <rth@redhat.com>
513 * except.c: Rewrite entirely for IA-64 ABI exception handling.
514 * except.h: Likewise.
516 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
518 (LIB2FUNCS_EH): Remove.
519 (LIB2ADD): Remove LIB2ADDEH.
520 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
521 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
522 (crt{begin,end}[S].o): Likewise.
523 (except.o): Update includes.
524 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
525 (libgcc2_c_dep): Use LIB2ADDEHDEP.
527 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
528 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
529 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
530 * builtins.c (expand_builtin): Implement it.
531 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
532 * c-common.c (c_common_nodes_and_builtins): Declare it.
533 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
534 * calls.c (libfunc_nothrow): Remove.
535 (emit_library_call_value_1): Don't call it.
536 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
537 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
538 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
539 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
540 (current_funcdef_number): Globalize.
541 (output_call_frame_info): Emit frame data if an lsda is needed.
542 Generate augmentation for personality routine. Don't play with
544 (dwarf2out_begin_prologue): Record funcdef_number.
545 * dwarf2out.h (current_funcdef_number): Declare.
546 * expr.c (expand_expr): Update for except.h name changes.
547 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
548 * expr.h (LTI_throw, LTI_rethrow): Remove.
549 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
550 (LTI_eh_rtime_match): Remove.
551 (LTI_unwind_resume, LTI_eh_personality): Add.
552 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
553 * final.c (final): Don't call check_exception_handler_labels,
554 init_insn_eh_region, or free_insn_eh_region.
555 (final_scan_insn): Always emit debug labels for
556 NOTE_INSN_EH_REGION notes.
557 * flags.h (flag_new_exceptions): Remove.
558 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
559 (record_active_eh_regions): Remove.
560 (count_basic_blocks): Check all instructions for REG_EH_REGION.
561 Use can_throw_internal.
562 (find_basic_blocks_1): Likewise.
563 (move_stray_eh_region_notes): Remove.
564 (find_label_refs): No eh_return_stub_label.
565 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
566 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
568 (delete_unreachable_blocks): Don't track deleted handlers.
569 (flow_delete_block): Use maybe_remove_eh_handler.
570 (delete_eh_regions): Remove.
571 (merge_blocks): Don't check for eh region match.
572 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
573 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
574 (init_propagate_block_info): Disable dead frame store optimization
575 when current_function_calls_eh_return.
576 (dump_bb): Don't print eh_beg, eh_end.
577 * function.c (fixup_var_refs): No catch_clauses.
578 (expand_function_end): Likewise. Call expand_eh_return before
579 the return register use. Call sjlj_emit_function_exit_after.
580 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
581 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
582 * ifcvt.c (dead_or_predicable): Remove eh region check.
583 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
584 Don't check for EH vs parameters.
585 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
586 (expand_inline_function): Call duplicate_eh_regions.
587 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
588 (copy_insn_notes): Remap REG_EH_REGION notes.
589 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
590 * integrate.h (struct inline_remap): Add local_return_label.
591 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
592 check_exception_handler_labels, nor exception_optimize.
593 (find_cross_jump): No EH region check.
594 * optabs.c (init_optabs): Update for changed eh libfuncs.
595 * rtl.def (RESX): New.
596 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
597 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
598 checks. Update for except.h name changes.
599 (expand_cleanups): Likewise.
600 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
601 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
602 (compile_file): Call init_eh before init_optabs. Don't
603 output_exception_table here.
604 (rest_of_compilation): Call convert_from_eh_region_ranges,
605 convert_to_eh_region_ranges, output_function_exception_table.
606 Don't emit_eh_context.
607 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
610 * md.texi (eh_epilogue): Remove.
611 (eh_return): Document.
612 * tm.texi (EH_RETURN_DATA_REGNO): Document.
613 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
615 * eh-common.h: Remove file.
616 * frame-dwarf2.c, frame.c, frame.h: Remove files.
617 * libgcc2.c (L_eh): Remove.
619 * unwind-dw2-fde.c: New file, largely copied from frame.c.
620 * unwind-dw2-fde.h: New file.
621 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
622 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
623 * libgcc-std.ver: Update for eh symbols.
625 2001-03-27 Richard Henderson <rth@redhat.com>
627 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
628 reduce false positives.
629 (regmove_optimize): Disable if flag_non_call_exceptions.
631 * stmt.c (expand_return): Remove always true predicate.
632 (expand_decl_cleanup_no_eh): Remove dead code.
634 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
635 barrier code. Add a scheduling barrier if a non-call insn
636 can throw internally.
638 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
639 Auto-inc addresses trap only if their base register does.
641 * except.c (can_throw_internal): Rename from can_throw.
642 * except.h, resource.c: Update references.
644 * integrate.c (copy_insn_list): Use returnjump_p.
645 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
647 * function.h (struct function): Move all boolean valued fields
648 to single bit fields at the end of the struct.
650 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
652 Rename asynchronous_exceptions to flag_non_call_exceptions.
654 * gthr-single.h (UNUSED): New. Distinguish between how C
655 and C++ mark unused function arguments. Use throughout.
657 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
658 value to target configuration header.
659 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
660 * config.in, configure: Rebuild.
661 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
662 configuration and target defines.
663 (exceptions_via_longjmp): Remove.
664 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
665 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
667 * except.h (flag_non_call_exceptions): Move ...
670 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
671 exceptions, put the note on the trapping instruction.
673 * flags.h (flag_new_exceptions): Remove.
674 * toplev.c: Don't set it.
675 * final.c: Don't check it.
676 * except.c: Provide stub definition.
678 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
679 (calculate_global_regs_live): Kill call-clobbered registers
680 across exception edges.
681 * reg-stack.c (convert_regs_1): Kill the entire target stack
682 across non-call exception edges.
684 * flow.c (cleanup_cfg): Take no argument.
685 * output.h, sibcall.c, toplev.c: Update all calls.
687 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
689 * configure.in: Don't check for bcopy.
690 * configure, config.in: Regenerate.
692 * system.h: Don't define or prototype bcopy, instead poison it.
694 2001-03-27 Richard Henderson <rth@redhat.com>
696 * function.c (expand_function_start): Set DECL_REGISTER on
697 a pseudo used for DECL_RESULT.
699 * rtl.h (LCT_NORETURN): New.
700 * calls.c (emit_library_call_value_1): Handle it.
702 2001-03-27 Stan Shebs <shebs@apple.com>
704 * objc/objc-act.c (objc_init): Use dump_base_name.
705 (gen_declaration): Clear the buffer arg.
706 (gen_declaration_1): New function, body of gen_declaration.
707 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
708 (gen_method_decl): Ditto, plus always clear buffer arg.
709 (error_with_ivar): Simplify.
710 (warn_with_method): Ditto.
711 (build_message_expr): Don't clear buffers.
712 (dump_interface): Ditto.
714 (build_keyword_selector): Clear the buffer by only zeroing
716 (objc_implementation_context): Declare.
717 (start_class): Warn about missing @end.
718 (finish_objc): Ditto.
720 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
722 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
724 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
726 * Makefile.in (SYSTEM_H): Define.
727 Depend on $(SYSTEM_H), not system.h.
729 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
731 2001-03-27 Jim Wilson <wilson@redhat.com>
733 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
735 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
736 (process_epilogue): New static function.
737 (process_set): Call process_epilogue instead of emitting .restore
739 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
741 * flow.c (struct reg_cond_life_info): New fields orig_condition
743 (init_propagate_block_info): Set new fields.
744 (mark_regno_cond_dead): Set and use new fields.
745 (flush_reg_cond_reg_1): Likewise.
746 (and_reg_cond, case AND): Check for redundant AND conditions.
747 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
750 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
752 * cppmacro.c (stringify_arg): Null terminate strings.
754 2001-03-27 Zack Weinberg <zackw@stanford.edu>
756 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
757 inclusion style. xm-m68hc11.h no longer exists.
758 * config/m68hc11/xm-m68hc11.h: Delete file.
759 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
761 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
762 Don't define GCC_VERSION, N_, or PARAMS; don't include
763 gansidecl.h or stdio.h. Define inhibit_libc here.
764 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
765 Delete code conditioned on #if GCC_VERSION == 2095.
767 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
768 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
769 Delete code conditioned on #if GCC_VERSION == 2095.
771 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
773 * system.h: Include symcat.h.
774 (STRINGIFY): Don't define.
776 * configure.in: Adjust comment.
778 * builtins.c: Use STRINGX, not STRINGIFY.
779 * gencheck.c: Likewise.
780 * gengenrtl.c: Likewise.
781 * protoize.c: Likewise.
783 * cpplex.c: Don't include symcat.h.
784 * cpplib.c: Likewise.
786 * gansidecl.h (HAVE_STRINGIZE): Don't define.
788 2001-03-27 Alan Modra <alan@linuxcare.com.au>
790 * c-typeck.c (digest_init): Fold init expression.
792 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
796 2001-03-27 Alan Modra <alan@linuxcare.com.au>
798 * except.c (eh_regs): Save results of build_pointer_type to a temp
799 as FUNCTION_VALUE macro may evaluate its args multiple times.
801 2001-03-26 Mark Mitchell <mark@codesourcery.com>
803 * c-common.h (DECL_NUM_STMTS): New macro.
804 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
806 (pushdecl): Likewise.
807 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
808 * integrate.c (expand_inline_function): Don't check
810 * print-tree.c (print_node): Don't print it.
811 * toplev.c (rest_of_compilation): Don't try to inline when
812 flag_no_inline is on.
813 * tree.h (DECL_FRAME_SIZE): Remove.
814 (tree_decl): Adjust accordingly.
816 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * combine.c (try_combine): Use memcpy, not bcopy.
820 * genattrtab.c (expand_units): Likewise.
822 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
824 * i386.md (push mem DI peep2): New.
825 (mov 0, mov -1 peep2): Handle 64bit.
826 (lea to arithmetics peep2): Handle 64bit leas.
827 (rsp arithmetics to push/pop peep2s): New.
829 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
831 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
833 * i386.c (struct machine_function): Add save_varrargs_registers.
834 (ix86_save_varrargs_registers): New macro.
835 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
836 (ix86_expand_prologue): Likewise.
837 (ix86_emit_epilogue_esp_adjustement): Likewise.
838 (ix86_expand_epilogue): Likewise.
839 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
840 (pro_epilogue_adjust_stack_1): New insn.
841 (pro_epilogue_adjust_stack_rex64): Likewise.
842 * i386.h (MASK_NO_RED_ZONE): New constant.
843 (TARGET_RED_ZONE): New macro.
844 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
845 (RED_ZONE_SIZE): New constant.
846 (RED_ZONE_RESERVE): New constant.
848 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
850 * toplev.c (set_float_handler): Use memcpy, not bcopy.
852 2001-03-25 Kazu Hirata <kazu@hxi.com>
854 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
860 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * mkconfig.sh (DEFINES): Handle entries with '='.
864 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
865 Set xm_defines to MACRO=value instead.
867 * i370/xm-mvs.h: Delete.
869 * ns32k/xm-pc532-min.h: Likewise.
871 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
873 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
875 use ix86_expand_binary_operator
876 (?sh??i_?): Disable for 64bit.
877 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
878 * i386.c (shiftdi_operand): New predicate.
880 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
881 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
882 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
883 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
884 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
885 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
886 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
887 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
888 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
889 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
890 (rotldi3, rotrdi3): New expanders.
892 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
894 * i386.md (movstrsi): Move offline.
896 (strmovdi_rex64): New.
897 (strmov?i): Accept 64bit.
898 (strmov?i_rex64): New.
899 (strmov?i_rex_1): New.
900 (strmov?i_1): Disable for 64bit.
901 (rep_mov?i_rex64): New.
902 (rep_mov?i): Disable for 64bit.
903 (clrstrsi): Move offline.
904 (strset?i_rex64): New.
905 (strset?i: Accept 64bit.
906 (rep_stos?i): Disable for 64bit.
907 (rep_stos?i_rex64): New.
908 (strset?i_rex_1): New.
909 (strset?i_1): Disable for 64bit.
910 (cmpstrsi): Accept 64bit.
911 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
912 (cmpstrqi_nz_rex_1): New.
913 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
914 (strlensi): Move offline.
916 (strlenqi_1): Disable for 64bit; fix constraints.
917 (strlenqi_rex_1): New.
918 * i386.c (ix86_adjust_counter): New static function.
919 (ix86_zero_extend_to_Pmode): Likewise.
920 (ix86_expand_aligntest): Likweise.
921 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
922 (ix86_expand_movstr): New global function.
923 (ix86_expand_clrstr): New global function.
924 (ix86_expand_strlen): New global function.
925 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
926 ix86_expand_strlen): Declare.
927 (ix86_expand_strlensi_unroll_1): Delete.
929 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
931 * i386.md (cmpdi): Fix operand predicates.
932 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
933 cmpdi_1_insn_rex64): New patterns.
934 (adddi3): Turn to expander.
935 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
936 (addsi3_carry_zext): New pattern.
937 (adddi_?_rex64): New patterns and splitters.
938 (addsi_?_zext): New patterns.
939 (subsi3_carry_zext): New pattern.
940 (subdi_?_rex64): New patterns and splitters.
941 (iorsi_?_zext): New patterns.
942 (iordi_?_rex64): New patterns and splitters.
943 (iorsi_?_zext): New patterns.
944 (iorsi_?_zext_imm): New patterns.
945 (xorsi_?_zext): New patterns.
946 (xordi_?_rex64): New patterns and splitters.
947 (xorsi_?_zext): New patterns.
948 (negdi*): New patterns.
949 (one_cmpldi*): Likewise.
950 (one_cmplsi*_zext, negsi*_zext): Likewise.
951 (testqi_ext_3_rex64): New pattern.
953 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
955 * i386-protos.h (ix86_split_long_move): Return void.
956 * i386.c (ix86_split_to_parts): Handle 64bit target.
957 (ix86_split_long_move): Likewise.
958 * i386.md (all calls to ix86_split_long_move): Update.
960 2001-03-23 Richard Henderson <rth@redhat.com>
962 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
963 to avoid shadowing arguments.
965 2001-03-23 Jakub Jelinek <jakub@redhat.com>
967 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
968 to variable names where DECL_NAME is different from
971 2001-03-23 Jim Wilson <wilson@redhat.com>
973 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
974 (assemble_alias): Call make_decl_rtl.
976 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
978 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
980 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
982 * extend.texi: Document the "java_interface" attribute.
984 2001-03-22 Zack Weinberg <zackw@stanford.edu>
986 * mkconfig.sh: Use a subshell with redirected stdout,
987 instead of closing stdout and confusing commands that run
988 afterward. Throw away output of cmp.
990 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
992 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
994 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
996 * i386.md (zero_extendsidi2_32): Break out from ...
997 (zero_extendsidi2): ... here ; turn to expander.
998 (zero_extendsidi2_rex64): New.
999 (extendsidi2_32): Break out from ...
1000 (extendsidi2): ... here ; turn to expander.
1001 (extendsidi2_rex64): New.
1002 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1003 (trunc?f?f splitters): Add 64bit versions.
1005 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1007 * i386.md (pushsi, pushsi2_prologue): Disable.
1008 (pushsi2_rex64): New.
1009 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1010 (movqi_ext_1): Disable for 64bit.
1011 (movqi_ext_1_rex64): New.
1012 (pushdi2_rex64): New pattern, peep2s and splitter.
1013 (pushdi2_prologue_rex64): New pattern.
1014 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1016 (movdi splitters): Disable for 64bit.
1017 (movdi_1_rex64): New pattern, peep2s and splitters.
1018 (swapdi): New pattern.
1019 (pushsf): Disable for 64bit.
1020 (pushsf_rex64): New pattern and splitter.
1021 (pushdf_nointeger): Disable for 64bit.
1022 (pushdf_integer): Handle the 64bit case.
1023 (pushtf): Likewise; update splitters.
1025 2001-03-22 Richard Henderson <rth@redhat.com>
1027 * mkconfig.sh: Include insn-flags.h.
1028 * Makefile.in (CONFIG_H): Include insn-flags.h.
1029 (lots of objects): Remove insn-codes.h and insn-flags.h.
1031 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1032 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1033 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1034 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1035 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1036 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1037 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1038 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1039 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1040 v850/v850.c, vax/vax.c:
1041 Don't include insn-flags.h.
1043 * diagnostic.c, expr.h, reload.c, toplev.c:
1044 Don't include insn-codes.h.
1046 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1047 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1048 c4x/c4x.c, i960/i960.c, mips/mips.c:
1049 Don't include insn-codes.h or insn-flags.h.
1051 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1052 or insn-flags.h in the generated code.
1053 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1054 (main): Forward declare struct rtx_def.
1056 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1058 * invoke.texi (-ffast-math): Remove duplicate line about
1061 * gcc.texi: Remove more obsolete documentation of bugs and
1062 installation problems.
1064 2001-03-21 Kazu Hirata <kazu@hxi.com>
1066 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1069 2001-03-20 Jason Merrill <jason@redhat.com>
1071 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1073 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1074 * varasm.c (CHKR_PREFIX): Likewise.
1076 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1078 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1079 is part of a multi-SET insn.
1081 * cse.c (find_comparison_args): Remove previous change.
1082 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1085 * config/i386/i386.md (conditional_trap): Remove warning.
1087 * recog.c (push_operand): Fix error in last change that caused
1088 undefined symbol on many targets.
1090 * sdbout.c: #include ggc.h.
1091 (sdbout_init): Move to end of file.
1092 Call ggc_add_tree_root for anonymous_types.
1093 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1094 (sdbout_one_type): Use DECL_NAME for field name.
1095 * Makefile.in (sdbout.o): Show includes ggc.h.
1097 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1099 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1100 (override_options): Use properlimits for preferred_stack_boundary.
1101 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1103 (ext_register_operand): Accept DImode.
1104 (load_pic_register): Abort on 64bit.
1105 (gen_push): Use Pmode instead of SImode.
1106 (ix86_save_reg): Pic reg is never used on 64bit.
1107 (ix86_expand_prologue): Likewise.
1108 (ix86_emit_save_regs): Use Pmode instead of SImode.
1109 (legitimate_address_p): Check displacement for 64bit.
1110 (print_operand): Avoid outputting of (%rip) on 64bit.
1111 (print_operand_address): Output (%rip) where possible.
1112 (split_di): Abort on 64bit registers.
1113 (ix86_expand_branch): DImode comparison is simple for x86_64.
1114 (memory_address_length): Recognize memory addresses formed using
1116 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1118 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1120 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1122 * recog.c (push_operand): Recognize new format of push instructions.
1124 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1126 * i386.md (pushqi1): New.
1127 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1128 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1129 x86_64_immediate_operand, x86_64_immediate_operand,
1130 x86_64_zext_immediate_operand): Declare.
1131 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1132 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1133 x86_64_immediate_operand, x86_64_immediate_operand,
1134 x86_64_zext_immediate_operand): define.
1135 * i386.h (PREDICATE_CODES): Add new predicates.
1137 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1139 * i386.md (pophi1, popqi1, pushqi1): Remove.
1141 * expr.c (emit_single_push_insn): New function.
1142 (move_by_pieces): Accept NULL as destination for push instructions.
1143 (gen_push_operand): Kill.
1144 (emit_push_insn): Pass NULL when pushing; avoid updating of
1145 stack_pointer_delta.
1146 * expr.h (gen_push_operand): Kill.
1148 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1150 * rtl.texi (COMPARE): Clarify documentation and reference section
1153 2001-03-20 Stan Shebs <shebs@apple.com>
1155 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1156 (get_object_reference): Ditto.
1157 (error_with_ivar): Use error_with_file_and_line.
1158 (warn_with_method): Use warning_with_file_and_line.
1160 2001-03-20 Tom Tromey <tromey@redhat.com>
1162 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1164 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1166 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1167 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1169 2001-03-20 DJ Delorie <dj@redhat.com>
1171 * Makefile.in (install-libgcc): Pass complete list of variables.
1172 (install-multilib): Ditto.
1174 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1176 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1177 drectve_section, switch_to_section.
1179 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1180 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1181 i386_pe_mark_dllimport.
1183 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1185 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1186 functions i386_pe_*.
1188 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1189 i386_pe_* functions with char * arguments.
1191 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1193 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1195 (movsi_ie): Introduce fpul store.
1197 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1199 * Makefile.in (OBJS): Remove hashtab.o.
1201 2001-03-19 Stan Shebs <shebs@apple.com>
1203 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1204 * c-lang.c (maybe_objc_method_name): Ditto.
1205 * c-tree.h (maybe_objc_method_name): Remove decl.
1207 2001-03-19 Tom Tromey <tromey@redhat.com>
1209 * gcc.c (init_gcc_specs): Fix comment.
1211 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1213 Compute DECL_ASSEMBLER_NAME lazily.
1214 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1215 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1216 (SET_DECL_ASSEMBLER_NAME): Likewise.
1217 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1218 (set_decl_assembler_name): Declare.
1219 (lang_set_decl_assembler_name): Likewise.
1220 * tree.c (lang_set_decl_assembler_name): New variab.e
1221 (set_decl_assembler_name): New function.
1222 (init_obstacks): Set lang_set_decl_assembler_name.
1223 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1224 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1225 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1226 where it's not necessary.
1227 (builtin_function): Likewise.
1228 (finish_decl): Likewise.
1229 * dbxout.c (dbxout_type_methods): Likewise.
1230 * ggc-common.c (ggc_mark_trees): Likewise.
1231 * profile.c (output_func_start_profiler): Likewise.
1232 * varasm.c (make_decl_rtl): Likewise.
1234 * cse.c (find_comparison_args): Update documentation. Fix
1235 mishandling of COMPARE operations.
1237 * tree.def (ABS_EXPR): Add documentation.
1238 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1240 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1242 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1244 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1246 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1247 Remove ia32 linux PIC kludge and move it...
1248 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1250 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1252 * i386.md (absdf2 expander): Fix 64bit case.
1254 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1256 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1258 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1260 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1262 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1264 * README.X11: Remove obsolete file.
1266 2001-03-18 Anthony Green <green@redhat.com>
1268 * config/pj/pj.h: Remove some trailing commas.
1269 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1271 2001-03-18 Richard Henderson <rth@redhat.com>
1273 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1274 * calls.c: ... here.
1275 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1276 defaults for them here.
1278 2001-03-17 Anthony Green <green@redhat.com>
1280 * config/pj/lib1funcs.S: Fix broken comment.
1281 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1284 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1286 * gcc.texi: Remove obsolete information relating to build and
1287 installation problems with enquire or the Pyramid C compiler.
1289 2001-03-17 Richard Henderson <rth@redhat.com>
1291 * dwarf2out.c (queue_reg_save): New.
1292 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1293 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1295 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1296 (cfa, cfa_store, cfa_temp): Make static.
1297 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1299 2001-03-17 Richard Henderson <rth@redhat.com>
1301 * integrate.h (struct inline_remap): Add local_return_label.
1302 * integrate.c (expand_inline_function): Initialize it and emit
1303 it after copy_insn_notes.
1304 (copy_insn_list): Don't store local_return_label here.
1305 (copy_insn_notes): New function split out from copy_insn_list.
1307 2001-03-17 Richard Henderson <rth@redhat.com>
1309 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1310 is generating .debug_line.
1311 (dwarf2out_init): Add main_input_filename to the file table first.
1312 * configure.in (as_dwarf2_debug_line): Test with file number 1
1313 instead of file number 0.
1315 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1317 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1318 (gen_rtx_combine): Deleted; all references changed as appropriate.
1319 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1321 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1323 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1325 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1328 2001-03-16 Jim Wilson <wilson@redhat.com>
1330 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1331 then set it to LOC_REG (79) instead of aborting.
1333 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1335 * gccbug.in: Remove high priority.
1337 2001-03-16 Richard Henerson <rth@redhat.com>
1339 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1340 output with a space instead of deleting it.
1341 * configure: Regenerate.
1343 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1345 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1346 handles the gory details of converting an object file into
1347 something that's safe to grep.
1348 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1349 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1350 newlines at either end of the string we're looking for.
1351 Make 'checking ...' message less stilted.
1352 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1353 ARM in-memory layout and its hypothetical converse. Don't
1354 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1355 HOST_WORDS_BIG_ENDIAN.
1357 * configure.in: Adjust for renamed macro. Move
1358 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1359 * configure, config.in: Regenerate.
1361 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1363 * fixinc/Makefile.in: Set SHELL.
1365 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1367 * fixinc/fixincl.c (fix_with_system): Quote file names before
1368 passing them to shell.
1370 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1372 * Makefile.in: Use fix-header$(build_exeext) instead
1375 2001-03-16 Richard Henderson <rth@redhat.com>
1377 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1378 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1379 (size_of_line_prolog): Remove.
1380 (output_line_info): Compute prologue size via label difference.
1381 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1383 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1384 assembler error when redefining file numbers.
1385 * config.in, configure: Rebuild.
1387 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1388 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1389 (dw2_asm_output_delta_uleb128): Likewise.
1390 (dw2_asm_output_delta_sleb128): Similarly.
1391 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1393 2001-03-16 Michael Meissner <meissner@redhat.com>
1395 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1397 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1399 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1401 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1402 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1403 being unsigned in ISO C and signed in traditional.
1404 (expand_prologue): Ditto.
1405 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1407 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1409 (divsi3,divdi3): Ditto.
1410 (modsi3,moddi3): Ditto.
1411 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1412 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1413 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1416 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1418 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1419 SSE based conditional moves on LTGT/UNEQ conditions;
1420 Canonicalize EQ to NE.
1421 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1422 (sse_mov?fcc_ne): New.
1424 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1426 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1428 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1429 register may be dead.
1431 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1433 * Makefile.in (hash.o): Depend on CONFIG_H.
1435 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1437 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1439 2001-03-15 Richard Henderson <rth@redhat.com>
1441 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1442 (ASM_OUTPUT_DWARF_PCREL): New.
1443 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1445 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1447 * cppfiles.c (stack_include_file): Use MAX of sysp.
1449 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1451 * config.gcc (ia64*-*-hpux*): New case.
1452 * config/ia64/hpux.h: New file for HP-UX support.
1453 * config/ia64/t-hpux: New file for HP-UX support.
1455 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1457 * fixinc/inclhack.def (irix_stdio_va_list): New.
1458 * fixinc/fixincl.x: Rebuilt.
1460 2001-03-15 Richard Henderson <rth@redhat.com>
1462 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1463 if provided by the target.
1464 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1465 (dw2_asm_output_addr): New.
1466 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1467 * dwarf2out.c (output_cfi): Use it for program addresses.
1468 (output_call_frame_info, output_die): Likewise.
1469 (output_aranges, output_line_info): Likewise.
1471 2001-03-15 Bruce Korb <bkorb@gnu.org>
1473 * gcc.c(main): make more rigorous
1474 * collect2.c(main): guard against ignoring SIGCHLD
1475 * protoize.c(main): ditto
1476 * gcc/fixinc/fixincl.c(initialize): ditto
1478 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1480 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1481 (sdbout_parms): Likewise.
1483 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1485 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1486 "widen" a destination that is already wider than a word. Also do
1487 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1489 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1491 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1493 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1495 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1497 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1499 * i960.h (i960_maxbitalignment,
1500 i960_last_maxbitalignment): Declare.
1501 * i960.c (i960_maxbitalignment,
1502 i960_last_maxbitalignment): Make global.
1503 (process_pragma): Delete.
1504 (i960_pr_align, i960_pr_noalign): Move from here ...
1505 * i960-c.c: ... to this new file.
1506 * t-960bare (i960-c.o): New rule.
1507 * t-vxworks960 (i960-c.o): Likewise.
1508 * config.gcc (i960-*-*): Define c_target_objs and
1511 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1513 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1514 without adding in rtx code and mode.
1516 * alias.c (init_alias_analysis): Don't use any rtx whose value
1517 varies as a known value.
1518 Delete a superfluous test.
1520 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1522 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1523 scheduling a stop bit.
1524 (ia64_emit_nops): Correctly handle ASMs.
1526 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1528 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1530 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1532 * cpp.texi: Update documentation for -include and -imacros.
1533 * cppfiles.c (struct include_file): Remove "defined" memeber.
1534 (find_or_create_entry): Make a copy of the file name, and
1536 (open_file): Update to ensure we use the simplified filename.
1537 (stack_include_file): Don't set search_from.
1538 (cpp_included): Don't simplify the path name here.
1539 (find_include_file): New prototype. Call search_from to
1540 get the start of the "" include chain. Don't simplify the
1542 (_cpp_execute_include): New prototype. Move diagnostics to
1543 do_include_common. Update.
1544 (_cpp_pop_file_buffer): Don't set defined.
1545 (search_from): New prototype. Use the preprocessor's cwd
1546 for files included from the command line.
1547 (read_name_map): Don't simplify the pathname here.
1548 * cpphash.h (enum include_type): New.
1549 (struct buffer): Delete search from. New search_cached.
1550 (_cpp_execute_include): Update prototype.
1551 * cppinit.c (do_includes): Use _cpp_execute_include.
1552 * cpplib.c (do_include_common): New function.
1553 (do_include, do_include_next, do_import): Use it.
1555 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1557 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1558 contents of the RTL, to determine the name of the object.
1560 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1562 * tree.h (DECL_RTL): Allocate RTL lazily.
1563 (SET_DECL_RTL): New macro.
1564 (DECL_RTL_SET_P): Likewise.
1565 (COPY_DECL_RTL): Likewise.
1566 (DECL_RTL_IF_SET): Likewise.
1567 * varasm.c (make_decl_rtl): Add assertions about the kind of
1568 declaration we are processing.
1569 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1570 (start_decl): Likewise.
1571 (finish_decl): Likewise.
1572 * c-semantics.c (emit_local_var): Likewise.
1573 * calls.c (expand_call): Likewise.
1574 * dbxout.c (dbxout_symbol): Likewise.
1575 * emit-rtl.c (unshare_all_rtl): Likewise.
1576 (unshare_all_decls): Likewise.
1577 (reset_used_decls): Likewise.
1578 * expr.c (store_constructor): Likewise.
1579 (safe_from_p): Likewise.
1580 (expand_expr): Likewise.
1581 * function.c (put_var_into_stack): Likewise.
1582 (instantiate_decls_1): Likewise.
1583 (assign_parms): Likewise.
1584 (expand_function_start): Likewise.
1585 (expand_function_end): Likewise.
1586 * ggc-common.c (gcc_mark_trees): Likewise.
1587 * integrate.c (function_cannot_inline_p): Likewise.
1588 (copy_decl_for_inlining): Likewise.
1589 (expand_inline_function): Likewise.
1590 (integrate_parm_decls): Likewise.
1591 (integrate_decl_tree): Likewise.
1592 * print-tree.c (print_node): Likewise.
1593 * reg-stack.c (stack_result): Likewise.
1594 * stmt.c (label_rtx): Likewise.
1595 (expand_return): Likewise.
1596 (expand_decl): Likewise.
1597 (expand_decl_cleanup): Likewise.
1598 (expand_anon_union_decl): Likewise.
1599 * toplev.c (check_global_declarations): Likewise.
1600 (rest_of_decl_compilation): Likewise.
1601 * tree.c (simple_cst_equal): Likewise.
1602 * objc/objc-act.c (generate_static_references): Likewise.
1604 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1606 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1607 gcc_AC_C_FLOAT_FORMAT): New macros.
1608 * configure.in: Add AC_PROG_CPP after CC tests;
1609 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1610 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1611 * configure, config.in: Regenerate.
1613 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1614 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1615 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1616 config/i370/xm-linux.h, config/i370/xm-oe.h,
1617 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1618 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1619 config/pa/xm-linux.h, config/pa/xm-pa.h,
1620 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1621 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1622 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1623 config/we32k/xm-we32k.h: Delete.
1625 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1626 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1627 config/vax/xm-vms.h: Don't define any of:
1628 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1630 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1632 * config.gcc: Remove references to deleted files.
1633 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1634 FATAL_EXIT_CODE, which is the same between oe and mvs).
1636 2001-03-14 DJ Delorie <dj@redhat.com>
1637 Vladimir Makarov <vmakarov@redhat.com>
1639 * config/i960/i960.c (i960_function_prologue): Compute size of
1640 frame according to number of registers actually saved there.
1642 2001-03-14 Richard Henderson <rth@redhat.com>
1644 * expr.c (emit_move_insn_1): Fix else if around #endif.
1646 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1649 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1652 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1654 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1655 (override_options): Parse cmodel string.
1656 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1657 * i386.h (TARGET_OPTIONS): Add "cmodel".
1658 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1660 (ix86_cmodel_string, ix86_cmodel): Declare.
1662 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1665 * i386.h (GENERAL_REG_P): Add missing REG_P.
1667 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1669 * configure.in: Use $gcc_cv_as instead of $as.
1670 * configure: Regenerated.
1672 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1674 * cppfiles.c (stack_include_file): Only increase the include
1675 count if we actually process the file properly, as opposed
1676 to treating it as length zero. Only call read_include_file
1677 if not DO_NOT_REREAD. Handle the -H include file output
1679 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1680 (cpp_included, find_include_file): Simplify pathnames after
1681 remapping them. If remapping, don't use the remapped file
1682 name's buffer as our scratch buffer.
1683 (cpp_pop_file_buffer): Replace the multiple include macro
1684 only if it isn't yet set.
1685 (read_name_map): Simplify remapped names when reading in.
1686 (remap_filename): Move code to code path that uses it.
1687 (_cpp_simplify_pathname): Return the input pointer.
1688 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1690 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1692 * expr.c (expand_expr): Revove bogus conditional.
1694 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1696 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1698 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1700 * reg-stack.c (stack_result): Unconditionally use
1701 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1703 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1705 * expr.c (emit_move_insn_1): Split push of complex value when
1706 no suitable push instruction exist.
1708 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1709 instead of QI_REG_P.
1711 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1713 * alias.c (handled_component_p, can_address_p): New functions.
1714 (get_alias_set): Use them.
1716 2001-03-13 Jim Wilson <wilson@redhat.com>
1718 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1719 from 80 in try_locals code.
1720 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1722 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1724 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1725 gcc_AC_C_LONG_LONG): New.
1726 * configure.in: Use them. Probe the size of short, int, long,
1727 and long long/__int64 if we have them. Move all the AC_C_*
1728 checks together, except gcc_AC_C_CHAR_BIT which has to go
1729 after AC_CHECK_HEADERS(limits.h).
1730 Take hwint.h out of host_xm_file and build_xm_file.
1732 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1733 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1734 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1735 Move the HOST_WIDEST_INT setup logic here from system.h.
1736 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1738 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1739 is now handled by hwint.h.
1741 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1742 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1743 config/ia64/xm-ia64.h: Don't define any of:
1744 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1745 HOST_BITS_PER_LONGLONG.
1747 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1748 config/h8300/xm-h8300.h, config/mips/iris6.h,
1749 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1750 config/sparc/xm-sp64.h: Delete.
1751 * config.gcc: Remove references to deleted files.
1753 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1754 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1755 * config/i370/xm-linux.h: Clarify floating-point situation in
1758 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1760 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1761 (find_include_file): Decide here which part of the include
1762 chain to start the search. Complain about an empty include
1763 chain in all cases apart from an abolsute file name.
1764 (_cpp_execute_include): Don't choose the search chain here.
1765 Don't call handle_missing_include in the case of an empty
1767 (_cpp_compare_file_date): Don't choose the search chain here.
1768 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1769 here from _cpp_execute_include. Behave like #include if
1770 we're in the main file.
1772 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1774 * system.h (malloc, realloc, calloc, strdup): Only poison these
1775 tokens when IN_GCC is defined.
1777 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1779 * i386.md (abs?f expander): Support SSE case.
1780 (abd?f_if): Add new "USE"; add splitters.
1782 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1784 * cpp.texi (poison): Explain the macro expansion exception.
1786 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1788 * expr.c (store_expr): Add dont_store_target. If temp is already in
1789 target before copying to reg, don't store it into target again.
1791 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1793 * cppinternals.texi: Update for file handling.
1795 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1797 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1798 2001-02-24 which broke building the Java library.
1799 * function.c (identify_blocks): Likewise.
1800 (all_blocks): Likewise.
1801 * integrate.c (integrate_decl_tree): Likewise.
1802 * print-tree.c (print_node): Likewise.
1803 * tree.h (BLOCK_NUMBER): Likewise.
1804 (struct tree_block): Likewise.
1806 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1808 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1809 __WCHAR_TYPE__ definition.
1810 (WCHAR_TYPE_SIZE): #undef before #define.
1812 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1814 * cppfiles.c: Update comments.
1815 (destroy_include_file_node): Rename destroy_node.
1816 (find_or_create_entry): New function.
1817 (open_file, _cpp_fake_include): Use it.
1818 (handle_missing_header): New function, broken out of
1819 _cpp_execute include. Don't segfault if there is no
1820 system or quoted path.
1821 (_cpp_execute_include): Use handle_missing_header.
1823 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1825 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1826 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1828 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1831 unless anti_dependence says they are.
1832 * alias.c (objects_must_conflict): If neither has a type specified,
1835 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1836 David Billinghurst <David.Billinghurst@riotinto.com>
1838 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1840 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1842 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1843 (*_one_bit): Remove type on the match_operand in attributes.
1845 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1847 * i386.c: Commit forgotten hunk in previous patch.
1848 (regclass_map): Add extended registers.
1849 (dbx_register_map): Add missing frame register.
1851 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1853 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1855 * i386.md (x86_sahf_1): Disable for 64bit.
1856 (popsi*, pophi*): Likewise.
1857 (pushqi, pushhi): Likewise.
1858 (movdi, pushdi): Likewise.
1859 (zero extend DImode splitter): Likewise.
1860 (adddi, minusdi splitter): Likewise.
1861 (umulsidi): Likewise.
1863 (mulsidi): Disable for 64bit
1864 (lshift:DI/ashift:DI): Disable for 64bit.
1865 (loop patterns): Likewise.
1866 (call_pop, call_value_pop expanders and patterns): Likewise.
1867 (prologue_get_pc): Likewise.
1869 (fcmovDI pattern and splitter): Likewise.
1870 (movdfcc_1_rex64): New.
1872 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1874 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1875 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1876 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1877 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1878 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1879 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1880 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1881 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1882 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1883 (REGPARM_MAX): Set to 6 for x86_64.
1884 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1885 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1888 * (patterns that does use upper halves): Update constraints
1889 'q' to 'Q' and 'r' to 'R'.
1890 (cmpqi_ext_1): Disable for 64bit.
1891 (cmpqi_ext_3_insn): Likewise.
1892 (movqi_extzv_1): Likewsie.
1893 (addqi_ext_1): Liekwsie
1894 (testqi_ext_1): Liekwsie
1895 (andqi_ext_1): Liekwsie
1896 (xorqi_ext_1): Liekwsie
1897 (cmpqi_ext_1_rex64): New.
1898 (cmpqi_ext_3_insn_rex64): Likewise.
1899 (movqi_extzv_1_rex64): Likewsie.
1900 (addqi_ext_1_rex64): Liekwsie
1901 (testqi_ext_1_rex64): Liekwsie
1902 (andqi_ext_1_rex64): Liekwsie
1903 (xorqi_ext_1_rex64): Liekwsie
1905 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1907 * configure.in: Move check for unsigned enumerated bitfields
1908 to macro in aclocal.m4. Disable it for now.
1909 * configure, config.in: Regenerate.
1910 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1911 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1912 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1913 kind above its first use.
1915 * config/xm-interix.h, config/alpha/xm-alpha.h,
1916 config/i370/xm-linux.h, config/i386/xm-beos.h,
1917 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1918 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1919 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1920 Don't define ONLY_INT_FIELDS under any circumstances.
1922 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1924 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1925 config/sparc/xm-sysv4.h: Delete - now identical with some
1927 * config.gcc (hppa targets): Replace xm-pahpux.h and
1928 xm-papro.h with implicit xm-pa.h.
1929 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1932 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1934 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1935 before reload_cse_noop_set_p.
1937 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1939 * config.gcc: Where xm-host.h used to include another
1940 xm-host.h, list the nested header directly in xm_file. Remove
1941 references to deleted files. Can now use sparc/xm-sp64.h for
1944 * config/xm-linux.h, config/arm/xm-linux.h,
1945 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1946 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1947 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1948 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1949 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1952 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1953 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1954 bother to wrap #undef in #ifdef.
1955 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1956 Don't include xm-linux.h.
1957 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1959 * configure.in: Wrap regexps using [] in changequote block.
1960 Use expr : not echo | grep. Simplify regexps.
1961 * configure: Regenerate.
1963 56 xm-files remain, 22 xm-arch.
1965 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1967 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1968 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1969 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1970 (copy_object): Fix format specifier vs argument mismatch.
1972 * mips-tdump.c: Make local functions static.
1973 (rindex): Don't #undef.
1974 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1975 (fatal, fancy_abort): Delete.
1976 (read_seek): Avoid signed/unsigned compare.
1978 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1980 * combine.c (try_combine): Fix error in change to try original
1982 (gen_rtx_combine): Do same as gen_rtx for now.
1984 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1986 * configure.in: AC_SUBST xm_defines.
1987 * configure: Regenerate.
1988 * Makefile.in: Set DEFINES=$(xm_defines) when building
1991 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1993 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1994 (cpp_included, find_include_file): Update.
1995 (_cpp_compare_file_date): Make else unconditional.
1997 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1999 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2001 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2003 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2004 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2006 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2008 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2009 if it's a record type.
2011 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2013 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2014 mingw includes slightly.
2016 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2019 #undef token before poisoning it.
2021 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2023 * alpha.c (check_float_value): Use memcpy, not bcopy.
2025 * m32r.c (m32r_sched_reorder): Likewise.
2027 * vax.c (check_float_value): Likewise.
2029 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2031 * toplev.c (file_name_nondirectory): Remove.
2032 * toplev.h: Similarly.
2033 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2034 of file_name_nondirectory.
2036 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2038 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2039 * mips-tfile.c: Don't #undef rindex; not used.
2041 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2043 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2044 (dbx64_register_map): Declare.
2045 (RETURN_ADDR_RTX): Fix for 64bit.
2046 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2047 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2048 * i386.c (dbx64_register_map): New global array.
2049 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2050 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2053 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2055 * cppfiles.c (search_from): Use lbasename.
2056 * mkdeps.c (deps_add_default_target): Use lbasename.
2058 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2061 xcalloc in lieu of malloc, realloc & calloc.
2063 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2065 * gengenrtl.c (xmalloc): Likewise.
2067 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2068 really_call_* memory allocation routines.
2070 * stmt.c (check_for_full_enumeration_handling): Use
2071 really_call_calloc, not calloc.
2073 * system.h (really_call_malloc, really_call_calloc,
2074 really_call_realloc): Define.
2075 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2077 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2079 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2081 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2083 * configure: Rebuilt.
2084 * configure.in: Only use `lang_requires' for languages athat are
2087 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2089 * invoke.texi: Fix typo.
2090 * gcc.1: Regenerate.
2092 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2094 * configure.in: Prune nonexistent files from build_xm_file,
2095 xm_file, and host_xm_file lists. Warn unless they're
2097 Don't generate *config.h here.
2098 AC_SUBST all variables needed to generate *config.h.
2099 * configure: Regenerate.
2100 * mkconfig.sh: New helper script, from code removed from
2102 * Makefile.in: Zap all MALLOC variables - no longer used
2103 anywhere, and malloc.c doesn't exist.
2104 Substitute in variables needed to generate *config.h.
2105 Stop lying about the dependencies contained in CONFIG_H and
2107 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2108 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2109 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2110 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2111 $(TM_P_H), etc. as appropriate.
2113 * config.gcc: Zap references to deleted files.
2114 * ggc-none.c: Don't include rtl.h or tm_p.h.
2116 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2117 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2118 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2119 config/i386/xm-linux.h, config/i386/xm-linux.h,
2120 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2121 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2122 Don't include i386/xm-i386.h.
2124 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2125 config/i386/xm-i386.h, config/i860/xm-i860.h,
2126 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2127 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2128 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2129 Delete (empty except comments, #includes of other deleted
2130 files, and macros used nowhere).
2132 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2134 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2135 independent on TARGET_FLAGS.
2137 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2139 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2141 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2143 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2145 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2146 LAST_REX_SSE_REG): define.
2147 (enum reg_class): Add 'LEGACY_REGS'
2148 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2149 (SSE_REGNO_P): Recognize extended registers.
2150 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2151 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2152 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2153 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2154 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2155 REG_OK_FOR_STRREG_P): Remove.
2156 (HI_REGISTER_NAMES): Add extended registers.
2157 (ADDITIONAL_REGISTER_NAMES): Likewise.
2158 (QI_REGISTER_NAMES): Add 8bit extended registers.
2159 (DEBUG_REG): Support extended registers.
2160 * i386.c (regclass_map): Add extended registers.
2161 (dbx_register-map): Likewise.
2162 (svr4_dbx_register_map): Likewise.
2163 (print_reg): Support extended registers.
2164 (print_operand): Support 64bit operands.
2166 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2168 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2169 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2170 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2171 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2172 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2173 STACK_BOUNDARY): Set properly for 64bits.
2174 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2175 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2176 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2177 (MOVE_MAX): Set to 16.
2178 (MOVE_MAX_PIECES): 8 for 64bit.
2179 (Pmode): Set to SImode.
2181 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2183 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2185 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2187 * i386.h (mask_64bit): New constant.
2188 (target_64bit): New macro.
2189 (target_options): Add '64'/'32'
2190 (target_default): Define.
2191 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2192 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2193 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2195 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2197 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2199 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2201 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2202 LO_SUM unless for_alias is set.
2204 2001-03-08 Stan Shebs <shebs@apple.com>
2206 * objc/objc-act.c: Fix old typos in comments, add comments for
2208 (hash_init): Fix file name in error message.
2209 (hash_enter): Ditto.
2210 (hash_add_attr): Ditto.
2211 (continue_class): Ditto.
2213 2001-03-08 Bruce Korb <bkorb@gnu.org>
2215 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2216 wait4() can receive the signal.
2218 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2220 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2222 * fixinc/fixincl.x: Regenerate.
2224 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2226 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2228 * fixinc/fixincl.x: Regenerate.
2230 2001-03-08 Richard Henderson <rth@redhat.com>
2232 * configure.in (HAVE_AS_LEB128): New assembler check.
2233 * configure, config.in: Rebuilt.
2235 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2237 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2240 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2243 references to the MAXPATHLEN macro.
2245 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2246 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2249 * config/i386/xm-gnu.h, config/xm-gnu.h,
2250 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2251 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2252 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2253 and/or unused files.
2255 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2256 doing so in various xm-*.h files.
2258 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2260 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2262 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2264 * configure.in (enable_shared): Support per-package shared-library
2266 * configure: Rebuilt.
2268 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2270 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2271 for crnot. Set operands[5] in splitter.
2273 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2275 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2276 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2277 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2278 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2279 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2280 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2281 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2284 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2285 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2286 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2287 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2288 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2289 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2290 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2291 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2292 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2293 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2294 Delete unused and/or empty files.
2296 * config.gcc: Define USG in xm_defines as appropriate. Define
2297 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2298 macro. Remove deleted xm-* files from $xm_files variable.
2300 2001-03-07 Tom Tromey <tromey@redhat.com>
2302 * configure: Rebuilt.
2303 * configure.in: Allow config-lang.in to set `lang_requires' to list
2304 of other required languages.
2306 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2308 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2310 (output_prologue): Use xmalloc not oballoc.
2311 (output_epilog): Free a29k_first_epilogue_insn when finished.
2312 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2314 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2316 * builtins.c (expand_builtin_mathfn): Check
2317 flag_unsafe_math_optimizations, not flag_fast_math.
2318 (expand_builtin): Likewise
2319 * combine.c (combine_simplify_rtx): Likewise.
2320 (simplify_if_then_else): Likewise.
2321 * cse.c (fold_rtx): Likewise.
2322 * flags.h: Remove flag_fast_math. Add
2323 flag_unsafe_math_optimizations and flag_trapping_math.
2324 * fold-const.c (negate_expr): Check
2325 flag_unsafe_math_optimizations, not flag_fast_math.
2326 (invert_truthvalue): Likewise.
2327 (fold): Likewise. Before associating operands, check that
2328 code == MULT_EXPR, not code != MULT_EXPR.
2329 * ifcvt.c (noce_try_minmax): Check
2330 flag_unsafe_math_optimizations, not flag_fast_math.
2331 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2332 * invoke.texi: Document -funsafe-math-optimizations and
2333 -fno-trapping-math. Change documentation for -ffast-math.
2334 * jump.c (reversed_comparison_code_parts): Likewise.
2335 (rtx_equal_for_thread_p): Likewise.
2336 * optabs.c (emit_conditional_move): Likewise.
2337 * simplify-rtx.c (simplify_binary_operation): Likewise.
2338 (simplify_relational_operation): Likewise.
2339 (simplify_ternary_operation): Likewise.
2340 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2341 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2342 Add trapping-math and unsafe-math-optimizations entries to f_options.
2343 (set_fast_math_flags): New, sets flags for -ffast-math.
2344 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2345 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2346 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2348 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2349 (alpha_emit_conditional_move): Initialize local_fast_math to
2350 flag_unsafe_math_optimizations, not flat_fast_math.
2351 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2352 instead of setting flag_fast_math to 1.
2353 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2355 * config/i386/i386.c (override_options): Likewise
2356 * config/i386/i386.md: Likewise.
2357 * config/m68k/m68k.md: Likewise.
2358 * config/mips/mips.md: Likewise.
2359 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2360 (rs6000_generate_compare): Likewise.
2362 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2364 * Makefile.in: Set RANLIB to @RANLIB@.
2367 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2369 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2370 * fixinc/fixincl.x: Regenerated.
2372 2001-03-07 Richard Henderson <rth@redhat.com>
2374 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2376 2001-03-07 Richard Henderson <rth@redhat.com>
2378 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2379 of block notes and exception handling notes.
2381 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2382 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2383 (compile_file): ... here.
2385 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2387 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2389 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2390 config.h now. Include libiberty.h to handle alloca.
2392 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2394 * c-parse.in (yylexname): New function, split out of _yylex.
2395 (objc_rid_sans_at): New table.
2396 (init_reswords): Initialize it.
2397 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2398 retrieving the next token and checking it for significance as
2399 an ObjC keyword or string constant.
2401 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2402 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2404 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2407 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2409 * config/m68k/m68k.c (const_uint32_operand): Accept any
2410 const_int on a 32-bit host.
2412 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2414 * objc/objc-act.c (init_objc): Set save_lang_status,
2415 restore_lang_status, and mark_lang_status.
2417 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2419 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2421 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2423 * cppinternals.texi: Update.
2425 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2427 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2428 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2429 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2430 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2431 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2432 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2433 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2434 config/i386/xm-i386.h, config/i860/xm-i860.h,
2435 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2436 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2437 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2438 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2439 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2440 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2441 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2442 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2443 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2444 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2445 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2446 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2447 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2448 match the defaults provided in hwint.h.
2450 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2451 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2453 * config.gcc (xm_file): Don't set to files which are deleted.
2455 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2456 guard this file against these macros being undefined.
2458 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2460 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2461 and DECL_DEFER_OUTPUT on the decl we create, before calling
2462 rest_of_decl_compilation.
2464 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2466 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2468 * configure, config.in: Regenerate.
2469 * config.gcc: Remove references to deleted files.
2471 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2472 genrecog.c, rtl.c: Do not use alloca anywhere.
2474 * Makefile.in, build-make, system.h, config/x-interix,
2475 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2476 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2477 config/arc/xm-arc.h, config/arm/xm-arm.h,
2478 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2479 config/h8300/xm-h8300.h, config/i370/x-oe,
2480 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2481 config/i386/x-ncr3000, config/i386/x-sco5,
2482 config/i386/xm-dgux.h, config/i860/x-sysv4,
2483 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2484 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2485 config/m68k/x-hp320g, config/m69k/x-mot3300,
2486 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2487 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2488 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2489 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2490 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2491 config/mips/x-iris, config/mips/x-iris3,
2492 config/mips/x-sni-svr4, config/mips/x-sysv,
2493 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2494 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2495 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2496 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2497 config/pa/xm-papro.h, config/romp/xm-romp.h,
2498 config/rs6000/x-aix31, config/rs6000/x-aix41,
2499 config/rs6000/x-beos, config/rs6000/x-lynx,
2500 config/rs6000/x-mach, config/rs6000/x-rs6000,
2501 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2502 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2503 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2504 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2505 config/vax/xm-vms.h: Eradicate all references to alloca and
2508 * config/xm-alloca.h, config/clipper/x-clix,
2509 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2510 config/i860/x-sysv3, config/m88k/x-sysv3,
2511 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2512 (contained only alloca related hacks).
2514 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2517 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2519 * invoke.texi: Document __FAST_MATH__.
2521 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2523 * crtstuff.c: Restore include of auto-host.h.
2525 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2527 Put main() in a separate file, so that the language
2528 front-end can use a different main().
2531 * toplev.c: (main): Rename as toplev_main.
2532 * toplev.h: Declare toplev_main.
2533 * Makefile.in (OBJS): add toplev.o.
2534 (BACKEND): remove toplev.o, add main.o.
2536 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * cppfiles.c (search_from): Special case the empty string.
2540 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2542 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2543 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2544 strlen or strcpy; we already know the length.
2545 (_cpp_compare_file_date): Similarly.
2546 * cpphash.h (struct cpp_reader): Delete done_initialising.
2547 (CPP_PREV_BUFFER): Delete.
2548 * cppinit.c (cpp_start_read): Don't set done_initialising.
2549 * cpplex.c (parse_string): Guarantee null-termination.
2550 (_cpp_equiv_toklists): Remove.
2551 * cpplib.c (glue_header_name): Null-terminate.
2552 (do_line): Don't leak memory.
2553 * cpplib.h (BT_WEAK): Delete.
2554 * cppmain.c (cb_ident): Strings are now null-terminated.
2556 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2558 * gcc.c (convert_filename): Append executable suffix
2559 if NO_AUTO_EXE_SUFFIX is not defined.
2560 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2561 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2563 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2565 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2566 * c-parse.gperf, c-gperf.h: Delete.
2567 (c-gperf.h was accidently re-added to the CVS repo in the rev
2568 1.16 commit by tromey)
2570 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2572 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2573 macro arguments when looking for the '('.
2574 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2575 2 when really parsing arguments; 1 when looking for '('.
2576 Always restore the lexer position.
2578 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2580 * longlong.h (umul_ppmm): Don't use a multiline string.
2582 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2584 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2585 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2586 t_bool in declaration because pcc can't combine volatile with typedef
2589 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2591 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2592 until when it is really needed.
2593 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2594 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2595 * i386.md (float?i?f splitter): Don't force source operand to memory
2597 (sse_movdfcc): Fix constraint.
2598 (sse_movdfcc splitter): Handle properly the second alternative.
2600 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2602 * cpplex.c (parse_string): Unconditionally pedwarn.
2604 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2607 * cppexp.c (parse_number): Update.
2608 * cpplex.c (parse_string): Pedwarn if multiline string does not
2609 result from a system header's macro.
2610 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2611 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2612 for function-like macros too.
2613 * c-lex.c (lex_number): Update.
2615 2001-03-03 Richard Henderson <rth@redhat.com>
2617 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2619 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2621 * combine.c (try_combine): If split with mode-changed scratch
2622 register didn't work, try the original mode.
2624 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2626 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2627 * config/c4x/c4x.h: Likewise.
2628 * stor-layout.c (compute_record_mode): Likewise.
2629 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2631 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2633 * configure.in: Kill tm.h. Include the files in the $tm_file
2634 list in all three of config.h, hconfig.h, tconfig.h, after the
2635 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2636 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2637 * configure: Regenerate.
2638 * Makefile.in (clean): Don't delete tm.h.
2640 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2641 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2642 those are not defined, set SEC and FEC to 0 and 1.
2643 * gcc.texi: Update to match.
2645 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2646 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2647 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2648 Include tconfig.h, not tm.h.
2650 * config/xm-lynx.h, config/xm-std32.h,
2651 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2652 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2653 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2654 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2655 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2656 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2657 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2658 config/i386/xm-i386.h, config/i860/xm-i860.h,
2659 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2660 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2661 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2662 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2663 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2664 config/pa/xm-linux.h, config/pa/xm-pa.h,
2665 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2666 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2667 config/pj/xm-pj.h, config/romp/xm-romp.h,
2668 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2669 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2670 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2671 config/v850/xm-v850.h, config/vax/xm-vax.h,
2672 config/we32k/xm-we32k.h:
2674 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2676 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2677 config/i370/xm-oe.h: Don't include tm.h. Don't define
2679 * config/vax/xm-vms.h: Don't include tm.h.
2681 * config/xm-lynx.h, config/avr/xm-avr.h,
2682 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2683 Delete; made empty by above changes.
2684 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2685 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2686 Don't include config/xm-lynx.h or tm.h.
2688 * config/xm-gnu.h: Don't include fcntl.h.
2689 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2691 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2693 2001-03-02 Richard Henderson <rth@redhat.com>
2695 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2696 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2698 2001-03-02 Richard Henderson <rth@redhat.com>
2700 * Makefile.in (OBJS): Add dwarf2asm.o.
2701 * dwarf2asm.c, dwarf2asm.h: New files.
2702 * dwarf2out.c (*): Use them.
2703 (size_of_uleb128, size_of_sleb128): Remove.
2704 (output_uleb128, output_sleb128): Remove.
2705 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2706 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2707 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2708 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2709 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2710 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2711 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2712 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2713 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2714 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2715 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2716 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2717 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2718 (dwarf2out_frame_debug): Remove unused variables.
2719 (output_loc_operands): Don't abort on 8 byte constants if
2720 host integers are wide enough.
2721 (output_symbolic_ref): Remove.
2722 (size_of_die): Don't assume 4 byte host integers.
2723 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2725 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2726 something stupid with HOST_WIDE_INT to long truncation.
2727 [CONST_DOUBLE]: Likewise.
2729 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2730 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2731 * config/arm/unknown-elf.h: Likewise.
2732 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2733 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2734 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2735 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2736 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2737 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2738 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2739 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2740 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2741 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2742 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2743 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2745 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2747 * cselib.c (hash_rtx): Cast enums to unsigned int.
2749 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2751 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2752 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2754 * c-format.c (C_STD_VER): Cast to int for comparisons.
2755 (check_function_format): Cast various enums to int for &.
2756 (maybe_read_dollar_number): Likewise.
2757 (check_format_info): Likewise.
2758 (check_format_info_main): Likewise.
2759 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2760 (safe_from_p): Likewise.
2761 * varasm.c (const_hash): Cast enum to int for %.
2762 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2763 pcc enum problems with < and ++ operators.
2764 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2765 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2766 (regclass_init): Change enum class to int to iterate over reg_classes.
2767 * genrecog.c (merge_trees): Cast enums for comparison.
2768 * rtl.h (GET_CODE): Cast to enum rtx_code.
2769 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2770 (GET_MODE): Cast to enum machine_mode.
2771 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2772 (GET_NOTE_INSN_NAME): Cast enum to int.
2773 * tree.h (TREE_CODE): Cast to enum tree_code.
2774 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2775 * timevar.c (timevar_print): Change loop variable id from enum to
2777 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2778 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2779 * toplev.c (compile_file): Cast enum DFI to int.
2780 (decode_d_option): Likewise.
2782 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2784 * cppinit.c (append_include_chain): Mark "after" include file name list
2785 as a system directory.
2786 * cpp.texi: Document new behavior.
2788 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2790 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2792 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2794 * cppfiles.c (struct include_file): Update.
2795 (stack_include_file): Use search_from.
2796 (cpp_included, find_include_file): Update.
2797 (cpp_execute_include): Update. ptr->name may not be
2798 null terminated. Use the new search_from member variable
2800 (_cpp_compare_file_date): Similarly.
2801 (search_from): New function, similiar to actual_directory.
2802 (actual_directory): Delete.
2803 (remap_filename): Update. loc->name may not be null terminated.
2804 (struct file_name_list): Rename search_path. Update.
2805 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2806 search_from and dir.
2807 (struct cpp_reader): Remove actual_dirs.
2808 * cppinit.c (struct cpp_pending): Update for renamed objects.
2809 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2810 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2811 * cpplib.h (struct cpp_options): Similarly.
2813 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2815 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2816 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2817 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2818 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2819 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2820 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2821 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2822 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2823 config/i370/xm-oe.h, config/i386/xm-aix.h,
2824 config/i386/xm-i386.h, config/i386/xm-osf.h,
2825 config/i860/xm-i860.h, config/i960/xm-i960.h,
2826 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2827 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2828 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2829 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2830 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2831 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2832 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2833 config/pj/xm-pj.h, config/romp/xm-romp.h,
2834 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2835 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2836 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2837 config/v850/xm-v850.h, config/vax/xm-vax.h,
2838 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2839 Do not define TRUE or FALSE.
2841 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2842 empty by above change.
2843 * config.gcc: Remove references to these files.
2845 * configure.in: Detect stdbool.h.
2846 * configure, config.in: Regenerate.
2847 * system.h: Include stddef.h here if available.
2848 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2849 Then set up a sensible boolean type at the very end.
2851 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2852 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2854 * hash.h: Delete 'boolean' typedef and related #undefs.
2856 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2857 all uses of 'boolean' with 'bool'.
2859 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2861 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2862 * cppexp.c (lex): Cast enums for comparison.
2863 * cppinit.c (parse_option): Cast enum for comparison.
2864 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2865 (cpp_output_token): Likewise.
2866 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2867 (cpp_avoid_paste): Cast enums for minus and comparison.
2869 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2871 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2872 field to all array elements.
2874 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2876 * cpphash.h (struct cpp_reader): Add print_version field.
2877 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2878 just set print_version and other flags as appropriate.
2879 (cpp_post_options): Print version here if print_version is set.
2881 * toplev.c (exit_after_options): New flag.
2882 (independent_decode_option): Don't exit here; just set
2884 (main): Exit after calling lang_hooks.post_options if
2885 exit_after_options is true.
2887 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2888 (merge_include_chains): Adjust comment to match code.
2890 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2892 * stringpool.c (set_identifier): New function.
2893 * tree.h: Prototype it.
2895 * c-parse.in: Kill D_YES. If compiled for objc, call
2896 save_and_forget_protocol_qualifiers from init_reswords.
2897 * objc/objc-act.c (remember_protocol_qualifiers,
2898 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2899 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2901 (save_and_forget_protocol_qualifiers): New function.
2902 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2904 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2906 * c-semantics.c (prune_unused_decls): Return error_mark_node
2907 instead of (tree) 1 to stop traversing the tree chain.
2909 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2911 Fix a problem introduced by Kenner's Feb 18 change.
2912 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2913 flag_cse_skip_blocks only temporarily, not for ever.
2915 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2917 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2918 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2920 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2921 before determining its register class.
2923 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2925 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2926 from reg 4 if current_function_calls_setjmp.
2927 (gen_nop_type): New function.
2928 (ia64_emit_nops): New function.
2929 (ia64_reorg): Call it.
2930 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2932 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2933 code not to try to optimize adds with anything but a REG destination.
2935 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2936 (INSN_PRIORITY_KNOWN): New accessor macro.
2937 * haifa-sched.c (priority): Use it instead of testing priority against
2940 2001-02-28 DJ Delorie <dj@redhat.com>
2942 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2943 since that doesn't work the way gcc wants on a generic m68k.
2945 2001-02-28 Richard Henderson <rth@redhat.com>
2947 * caller-save.c (save_call_clobbered_regs): Fix typo in
2948 comparison last change.
2950 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2952 * i386.c (pentium4_cost): New.
2953 (m_PENT4): New macro.
2954 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2955 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2956 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2957 x86_memory_mismatch_stall): Add Pentium4
2958 (x86_use_q_reg, x86_use_any_reg): Kill.
2959 (override_options): Add pentium4.
2960 (incdec_operand): Return 0 for pentium4.
2961 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2962 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2963 (TARGET_PENTIUM4): Define.
2964 (enum processor_type): Add PROCESSOR_PENTIUM4.
2965 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2966 * i386.md (attribute "cpu"): Add pentium4.
2967 * invoke.texi (march): Add pentium4.
2969 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2971 * i386.md (sse_mov?fcc*): New patterns and splitters.
2972 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2973 the SSE based conditional moves.
2975 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2977 * i386.md (attribute mode): Add "TI".
2978 (movsf_1): Add pxor support; remove constant propagation splitter.
2979 (movdf_integer): Likewise.
2980 (movdf_nointeger): Likewise.
2981 (movxf constant prop splitter): Handle all modes; update for SSE.
2982 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2983 * i386.c (standard_80387_constant_p): Rewrite.
2984 (standard_sse_constant_p): New.
2985 * i386-protos.h (standard_sse_constant_p): New.
2987 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2989 * i386.md (sse_setccsf, sse_setccdf): New.
2990 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2992 * i386.c (sse_comparison_operator): Accept the supported unordered
2993 comparses; be ready for fast_math.
2994 (print_operand): Support 'D'.
2996 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2998 * jump.c (reversed_comparison_code): Kill.
3000 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3002 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3005 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3007 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3008 add missing '%' in constraints.
3010 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3012 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3013 for HOST_BITS_PER_WIDE_INT == 32 too.
3015 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3017 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3019 (insert_save, insert_restore): New parameter save_mode.
3020 (init_caller_save): Update initialization of reg_save_code
3021 and reg_restore_code.
3022 (save_call_clobbered_regs): Compute save_modes and update calls to
3023 reg_save_code and reg_restore_code.
3024 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3025 of spill; update use of reg_restore_code.
3026 (insert_save): Likewise.
3027 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3028 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3029 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3031 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3033 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3034 noce_try_store_flag_inc, noce_try_store_flag_mask,
3035 noce_try_cmove_arith):
3036 Use reversed_comparison_code instead of reverse_comparison and
3037 can_reverse_comparison_p.
3039 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3041 * jump.c (reversed_comparison_code_parts): Allow reversal of
3042 unordered compares in -ffast-math mode; reverse ordered compares
3043 for FP even w/o -ffast-math.
3045 2001-02-27 Richard Henderson <rth@redhat.com>
3047 * print-rtl.c (print_rtx) [i]: Don't print field five on
3048 NOTEs other than NOTE_INSN_DELETED_LABEL.
3050 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3052 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3053 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3055 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3057 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3058 even if walk_subtrees is 0.
3059 * c-semantics.c (prune_unused_decls): Return a non-null value to
3060 stop traversing the tree chain.
3062 2001-02-27 DJ Delorie <dj@redhat.com>
3064 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3065 register, *then* define it as the new CFA.
3067 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3069 * pa.c (override_options): Promote -fpic to -fPIC.
3070 (legitimize_pic_address): Simplify due to removal of
3071 small PIC as a code generation option.
3072 (secondary_reload_class): Similarly.
3073 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3074 (PRINT_OPERAND_ADDRESS): Similarly.
3075 * pa.md (various patterns): Similarly.
3076 (small pic lo_sum pattern): Remove.
3078 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3081 * md.texi (min, max): Document
3083 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3085 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3086 TARGET_PARTIAL_REG_DEPENDENCY.
3087 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3089 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3091 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3093 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3095 * mips.c (mips_make_temp_file): Fix thinko in last change.
3097 2001-02-26 Jason Eckhardt <jle@redhat.com>
3099 * combine.c (known_cond): Do not reverse the condition when
3100 SMAX/UMAX is being considered and the condition is for equality
3103 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3105 2001-02-26 Philip Blundell <philb@gnu.org>
3107 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3109 * config/arm/linux-elf.h: Remove historical relics related to
3110 above configurations.
3111 * config/arm/linux-oldld.h: Delete.
3112 * config/arm/linux-elf26.h: Delete.
3114 2001-02-26 Jason Merrill <jason@redhat.com>
3116 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3118 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3119 recognize a tentative definition. Lose obsolete code.
3121 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3122 variables unless necessary, either.
3124 2001-02-25 Richard Henderson <rth@redhat.com>
3126 * ifcvt.c (struct noce_if_info): Add test_bb.
3127 (noce_get_alt_condition): New.
3128 (noce_try_minmax, noce_try_abs): New.
3129 (noce_operand_ok): New.
3130 (noce_process_if_block): Use them.
3131 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3133 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3135 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3138 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3140 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3141 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3143 (mips_asm_file_end): Free temp_filename here.
3145 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3147 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3148 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3150 * config/i386/i386.md (movstrsi): Handle FAIL case.
3152 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3154 * cppinit.c (builtin_array): Update.
3155 (init_builtins): Flag builtins to warn if redefined or
3156 undefined. Define __GXX_WEAK as a normal macro.
3157 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3158 * cpplib.h (NODE_WARN): New flag.
3159 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3160 Handle __STDC__ as a builtin only on Solaris.
3161 (warn_of_redefinition): Renamed from check_macro_definition.
3162 Reverse sense of test. Always warn if NODE_WARN.
3163 (_cpp_create_definition): Use warn_of_redefinition. Flag
3164 any macro beginning with "__STDC_" to require a mandatory
3165 warning if redefined or undefined.
3167 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3169 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3170 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3171 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3172 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3173 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3174 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3175 Don't define any of:
3176 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3177 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3178 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3179 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3180 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3182 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3183 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3186 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3187 Delete now-empty file.
3189 * alpha/vms.h: Define NEED_ATEXIT here...
3190 * alpha/xm-vms.h: ...not here.
3192 * i386/cygwin.h: Don't define PARAMS.
3193 * mips/mips.c: Don't prototype mktemp. Don't define
3194 P_tmpdir. Use make_temp_file to create temporary files.
3195 Don't be clever and delete temporary files early.
3196 * config.gcc: Drop references to deleted files. Don't define
3198 * gcc.texi: Don't mention USE_PROTOTYPES.
3200 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3202 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3203 (ix86_set_move_mem_attrs_1): Likewise.
3204 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3205 * config/i386/i386.md (movstrsi): Call it.
3207 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3209 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3210 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3211 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3212 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3214 (i750a-*-*): Error here if hosting on i750a.
3215 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3217 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3218 Remove (empty modulo comments).
3220 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3221 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3222 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3223 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3224 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3225 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3227 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3228 Remove reference to winnt.h in comment.
3229 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3231 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3233 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3234 used to set another biv.
3236 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3238 * tree.h (BLOCK_DEAD): New macro.
3239 (struct tree_block): New flag, dead_flag.
3240 * print-tree.c (print_node, case 'b'): Print missing fields.
3241 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3242 * function.c (identify_blocks): Enable test for misplaced notes.
3243 (all_blocks): Skip BLOCK_DEAD blocks.
3244 * integrate.c (integrate_decl_tree): Likewise.
3246 * errors.c (internal_error, trim_filename): New functions.
3247 (fancy_abort): Call internal_error.
3248 * errors.h (internal_error, trim_filename): New declarations.
3250 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3252 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3254 (EXTRA_CONSTRAINT): Formatting changes.
3256 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3258 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3260 2001-02-23 Per Bothner <per@bothner.com>
3262 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3263 so they can be called from java/jvspec.c.
3264 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3266 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3268 * i386.c (ix86_frame): New structure.
3269 (ix86_compute_frame_size): Kill.
3270 (ix86_compute_frame_layout): New.
3271 (ix86_save_reg): New.
3272 (ix86_can_use_return_insn_p): Use frame layout stuff.
3273 (ix86_expand_prologue): Likewise.
3274 (ix86_expand_epilogue): Likewise.
3275 (ix86_initial_elimination_offset): Likewise.
3276 (ix86_nsaved_regs): Use ix86_save_reg.
3277 (ix86_emit_save_regs): Likewise.
3279 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3281 * flow.c (find_sub_basic_blocks): New function.
3282 (split_block): Be ready for basic block introduced by CODE_LABEL.
3283 (commit_one_edge_insertion): Call find_sub_basic_block.
3285 * flow.c (make_edges): Add edge from entry for blocks starting with
3286 label having ALTERNATE_NAME
3288 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3290 * function.c (epilogue_done): Be ready for first basic block not
3291 containing PROLOGUE_END note.
3292 (reposition_prologue_and_epilogue_notes): Avoid placing
3293 PROLOGUE_END note between BASIC_BLOCK.
3295 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3297 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3299 2001-02-21 DJ Delorie <dj@redhat.com>
3301 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3302 check for current_function_has_nonlocal_goto from 1999-11-12.
3304 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * diagnostic.c (trim_filename): No longer static.
3307 * toplev.h (trim_filename): Declare.
3308 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3309 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3310 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3311 (rtvec_check_failed_bounds): Likewise.
3312 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3314 * convert.c (convert_to_integer): Don't do unsigned unless result or
3315 both inputs are unsigned.
3317 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3320 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3322 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3324 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3326 * Makefile.in (resource.o): Add params.h dependence.
3327 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3328 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3329 * resource.c: Add dependence on params.h.
3330 (current_live_regs): Fix explanatory comment.
3331 (find_basic_block): Add new parameter to permit limiting search
3333 (mark_target_live_regs): Add new argument to find_basic_block call.
3334 (incr_ticks_for_insn): Likewise.
3336 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3338 * diagnostic.c (output_to_stream): Rename to
3339 output_buffer_to_stream. Loses the stream parameter.
3340 (init_output_buffer): Set diagnosic_buffer's stream.
3341 (flush_diagnostic_buffer): Adjust.
3342 (default_print_error_function): Likewise.
3343 (finish_diagnostic): Likewise.
3344 (verbatim): Likewise.
3346 * diagnostic.h (struct output_buffer): Add `stream' field.
3347 (output_buffer_attached_stream): New macro.
3349 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3351 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3352 check if either operand is divisible by C.
3353 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3354 If type is signed, consider negative numbers as well.
3356 2001-02-22 Richard Henderson <rth@redhat.com>
3358 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3359 reach .text instead of gp-relative relocs.
3360 * config/ia64/crtend.asm (.init): Likewise.
3362 2001-02-22 Andreas Jaeger <aj@suse.de>
3364 * extend.texi (C++ Attributes): Fix typo.
3366 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3368 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3369 functions, drop current_function_args_info.words test.
3370 (ia64_compute_frame_size): Mark syscall_linkage functions as
3371 using eight input registers.
3373 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3374 Bruce Korb <bkorb@gnu.org>
3376 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3377 * fixinc/README: Document how to convert sed substitutions
3378 to format style c_fix-es.
3379 * fixinc/fixincl.x: regen
3381 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3383 * gcc.c: Add comment explaining how to add a command-line option.
3384 Add title to specs language comment.
3386 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3388 * gcc.c (cc1_options): Add "-param".
3389 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3390 (option_map): Likewise.
3391 * toplev.c (display_help): Add entry for "--param".
3392 (independent_decode_option): Fix typographical error.
3394 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3395 Bernd Schmidt <bernds@redhat.com>
3396 Jan Hubicka <jh@suse.cz>
3398 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3399 (function_arg): Likewise.
3401 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3403 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3405 2001-02-21 Kazu Hirata <kazu@hxi.com>
3407 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3411 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3413 * flow.c (init_propagate_block_info): Canon address and use single_set
3414 for killing dead memory stores.
3416 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3418 * Makefile.in (reorg.o): Add params.h dependence.
3419 * params.def: Fix typographical error in comment.
3420 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3421 * params.h: Modify introductory comment.
3422 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3423 * reorg.c: Add dependence on params.h.
3424 (redundant_insn): Add parameterized throttle for search.
3425 (fill_simple_delay_slots): Add a comment explaining a variable.
3426 Move conditional out of loop, simplifying code.
3427 (fill_eager_delay_slots): Fix typographical error in comment.
3429 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3431 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3433 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3434 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3436 2001-02-21 Jason Merrill <jason@redhat.com>
3438 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3439 (struct tree_decl): Add uninlinable bitfield.
3440 * c-decl.c (duplicate_decls): Set it.
3441 * integrate.c (function_cannot_inline_p): Check it.
3443 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3444 DW_AT_MIPS_linkage_name to abstract methods.
3445 (dwarf2out_abstract_function): Emit class context before calling
3446 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3447 (gen_subprogram_die): Remove obsolete code.
3448 (gen_member_die): Don't include clones in the member list.
3449 (gen_decl_die): Emit abstract info for clone origin.
3450 * dwarfout.c (output_type): Don't include clones in the member list.
3451 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3452 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3453 DECL_ABSTRACT on a function that already has it set.
3455 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3456 (get_subprogram_die): Pass it in.
3458 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3460 * flow.c (mark_set_1): Make not_dead unsigned long. For
3461 non-pseudos, use it as a bitmask of the hard regs that
3464 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * cppfiles.c: Update comments.
3467 (_cpp_read_file): Don't check for NULL filenames any more.
3468 * cppinit.c (cpp_start_read): Don't do canonicalization of
3469 in_fname and out_fname. Use the passed file name exclusively.
3470 (_cpp_handle_options): Don't treat "-" as a command line option,
3471 but as a normal filename.
3472 (_cpp_post_options): Canonicalize in_fname and out_fname.
3473 * cppmain.c (printer_init): Don't check out_fname for NULL.
3474 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3475 (init_c_lex): Update, and use "" to represent stdin to CPP.
3478 2001-02-20 Will Cohen <wcohen@redhat.com>
3480 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3481 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3482 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3485 2001-02-20 Stan Shebs <shebs@apple.com>
3487 * config/rs6000/rs6000.c (output_cbranch): Output branches
3488 on separate lines instead of using ';' to separate.
3490 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3492 * cppinit.c (set_lang): Move builtin handling to...
3493 (init_builtins): ...here.
3494 (_cpp_create_reader): Move call to set_lang.
3496 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3498 * stmt.c (expand_return): If an attempt is made to return the
3499 error_mar_node, treat the return like a return without a value.
3501 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3503 * sibcall.c (skip_copy_to_return_value): Call
3504 identify_call_return_value here, and return orig_insn if it
3505 returns zero. Hardret and softret arguments now unnecessary.
3506 (call_ends_block_p): Don't call identify_call_return_value here.
3508 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3510 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3511 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3513 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3515 * pa.c (move_operand): Accept code to load the address of a
3516 symbol out of the DLT as a valid move operand.
3517 (print_operand, case 'A'): New to handle generating a DLT
3518 reference for a LO_SUM expression.
3519 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3520 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3522 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3524 * README, cpp.texi, gcc.texi, version.c: Update version number to
3526 * cpp.1, gcov.1, gcc.1: Regenerate.
3528 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3530 * cppfiles.c (stack_include_file): Generate dependencies
3531 here, and manage include_count here too.
3532 (PRINT_THIS_DEP): Delete.
3533 (_cpp_execute_include): Do not generate dependencies here,
3534 apart from the case of a missing header. Do not manage
3536 (_cpp_read_file): Leave dependency generation to
3539 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3541 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3542 target_cpu_default. Remove dead assignment to
3545 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3547 * regclass.c (contains_reg_of_mode): Make global.
3548 (init_reg_sets): Remove contains_reg_of_mode; take into account
3549 CLASS_MAX_NREGS when looking for the proper mode.
3550 (dump_regclass): Dump only classes considered for the pseudo.
3551 (regclass): Use contains_reg_of_mode.
3553 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3555 * gcc.c (do_spec_1): 'n' for printing notices.
3556 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3558 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3560 * reg-stack.c (next_flags_user): Use current_block->end
3561 (swap_rtx_condition): Look for next user if flags don't die;
3562 give up on CALL_INSNs; use current_block->end.
3564 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3566 * sibcall.c (call_ends_block_p): New function.
3567 (optimize_sibling_and_tail_recursive_call): Use it.
3569 2001-02-18 Kazu Hirata <kazu@hxi.com>
3571 * config/h8300/h8300.md: Update copyright.
3572 (andsi3): Do not output an extra newline character.
3574 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3576 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3577 FNDECL may be unused.
3579 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3580 follow jumps after first run.
3581 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3582 it doesn't change any jumps.
3584 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3586 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3587 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3588 (mostlyclean): Corresponding changes.
3589 * rtlanal.c (hard-reg-set.h): Include.
3590 (rtx_unstable_p): Do not treat the argument pointer specially
3591 if it is not a fixed register.
3592 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3594 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3596 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3597 against last real insn in basic block.
3598 Rework to avoid gotos.
3600 * Makefile.in (gcse.o): Now includes ggc.h.
3601 * gcse.c: Include ggc.h.
3602 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3603 (try_replace_reg): Remove warning of uninitialize variable.
3604 (process_insert_insn): Call invalid_insn_p to validate insn.
3605 * recog.c (insn_invalid_p): Now global.
3606 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3607 * recog.h (insn_invalid_p): New declaration.
3609 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3611 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3612 assignments from FP constants since 'Y' output code can't handle it.
3613 (eligible_for_sibcall_delay): Likewise.
3615 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3616 Call fancy_abort directly, passing args.
3617 (print_rtl_and_abort): Now a macro, like fancy_abort.
3619 * final.c (output_operand_lossage): Use internal_error, not error.
3621 2001-02-18 Shane Nay <shane@agendacomputing.com>
3623 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3624 structure shift insns.
3626 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3628 * invoke.texi (-fsquangle): Remove documentation.
3629 (-fname-mangling-version): Likewise.
3631 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3633 * optabs.c (expand_abs): Remove reference to
3634 HAVE_contitional_arithmetic.
3635 * combine.c (simplify_set): Likewise.
3637 2001-02-18 Richard Henderson <rth@redhat.com>
3639 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3642 2001-02-18 Richard Henderson <rth@redhat.com>
3644 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3646 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3648 * reload1.c (reload_cse_simplify_set): Fix typo.
3650 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3652 * diagnostic.c (_fatal_insn): Decrement errorcount.
3654 * invoke.texi (-I): Add note avoiding use for system header files.
3656 * rtl.h (add_clobbers): Remove duplicate declaration.
3657 * recog.h (added_clobbers_hard_reg_p): New declaration.
3658 * genemit.c (struct clobber_pat): New field has_hard_reg.
3659 (gen_insn): Record if added clobbers clobber hard reg.
3660 (gen_split): Avoid unused warning if number of operands is 0.
3661 (output_added_clobbers_hard_reg_p): New function.
3664 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3666 * pa.c (hppa_expand_prologue): Simplify code storing return
3667 pointer. For large (>=8k) frames with a post_store, adjust stack
3668 pointer by 8k-64 first rather than by 64. When testing with
3669 VAL_14_BITS_P, always use the actual value rather than the value
3670 negated. Add blockage to prevent scheduling of spills before
3671 stack frame has been created.
3672 (hppa_expand_epilogue): Simplify code loading return pointer.
3673 Allow a slightly larger range for merge_sp_adjust_with_load case.
3674 When testing with VAL_14_BITS_P, always use the actual value.
3676 * pa.c (pa_adjust_insn_length): Check that block move
3677 pattern is a set before looking at operands.
3679 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3681 * fold-const.c (fold_binary_op_with_conditional_arg): New
3682 function, split out from ...
3684 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3685 conditional arms that throw exceptions.
3687 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3690 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3692 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3693 define HAVE_DECL_* to 1 to mask potential backup declarations.
3694 * configure: Regenerated.
3696 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3698 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3700 2001-02-17 Richard Henderson <rth@redhat.com>
3702 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3703 when replacing a memory load with a register.
3705 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 Jan Hubicka <jh@suse.cz>
3708 * recog.c (validate_replace_src_1): New.
3709 (validate_replace_src_data): Likewise.
3710 (validate_replace_src): Use note_uses.
3711 * rtl.h (note_uses): Declare.
3712 * rtlanal.c (note_uses): New.
3714 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3716 * reg-stack.c (stack_def): Make field reg unsigned.
3717 (remove_regno_note): Unsignetize parameter.
3719 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3721 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3722 shladd_operand() call.
3724 2001-02-16 Bruce Korb <bkorb@gnu.org>
3725 Rodney Brown <RodneyBrown@mynd.com>
3727 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3728 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3729 machine restrictions
3730 * fixinc/fixincl.x: regen
3732 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3734 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3736 (hash_scan_insn): Clean up calls to hash_scan_set.
3737 (compute_kill_rd): REGNO now unsigned.
3738 (try_replace_reg): Rework to use simplify_replace_rtx.
3739 (cprop_jump, cprop_cc0_jump): Likewise.
3740 (cprop_insn): Call find_reg_equal_equiv_note.
3741 Reflect changes to cprop_jump and cprop_cc0_jump.
3743 * recog.c (validate_replace_src): Replace in operands of
3744 ZERO_EXTRACT in SET_DEST.
3746 * cse.c (new_label_ref): New variable.
3747 (insert): Set it instead of recorded_label_ref.
3748 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3749 CODE_LABEL for this function, and not already in REG_LABEL note.
3751 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3753 * resource.c (mark_referenced_resources): Fix typo in introductory
3755 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3758 2001-02-16 Jason Merrill <jason@redhat.com>
3760 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3762 (gen_subprogram_die): Don't abort on seeing a second definition if
3763 the previous one was abstract. Don't replace an abstract instance
3764 in the lookup table.
3766 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3767 gen_abstract_function.
3768 * dwarf2out.h: Declare it.
3769 * toplev.c (note_outlining_of_inline_function): New fn.
3770 * toplev.h: Declare it.
3771 * integrate.c (output_inline_function): Call it.
3772 * c-decl.c (duplicate_decls): Call it when redefining an extern
3773 inline. Don't inline the new defn.
3775 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3777 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3779 * .gdbinit: Rename to gdbinit.in.
3780 * gdbinit.in: New file,
3781 * configure.in: Generate .gdbinit from gdbinit.in.
3782 * configure: Regenerated.
3783 * Makefile.in (distclean): Always remove .gdbinit.
3785 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3787 * objc/objc-act.c (start_class): Register implemented_classes with
3790 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3792 * cppfiles.c (_cpp_make_system_header): Generate a file
3795 2001-02-15 Jim Meyering <meyering@lucent.com>
3797 * Makefile.in (install-common): Don't depend on installdirs here.
3798 Instead, make each of the lang.install-common targets (e.g.,
3799 c++.install-common in cp/Make-lang.in) depend on it.
3800 (install-driver): Depend on installdirs.
3802 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3804 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3806 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3809 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3811 * invoke.texi (--param): Document.
3813 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3815 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3817 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3819 * i386.md (extendsfdf2_2): Fix constraints.
3821 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3823 * i386.md (fop_df_3 splitter): Fix operand number.
3825 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3827 * invoke.texi (-mreg-alloc): Nuke.
3828 * i386.c (ix86_reg_alloc_order, regs_allocated,
3829 order_regs_for_local_alloc): Nuke.
3830 (override_options): Kill reg_alloc code.
3831 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3832 (REG_ALLOC_ORDER): SSE goes before I387.
3833 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3834 (ix86_reg_alloc_order): Likewise.
3835 * i386-protos.h (ix86_reg_alloc_order): Kill.
3837 2001-02-14 Richard Henderson <rth@redhat.com>
3839 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3841 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3843 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3845 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3847 * i386-protos.h (ix86_memory_move_cost): Move offline.
3848 * i386.c (ix86_register_move_cost): Compute properly cost of
3849 SSE, MMX and i387 instructions.
3850 (*_cost): Add costs of SSE/MMX moves.
3851 (ix86_memory_move_cost): Move offline from ....; Likewise.
3852 * i386.h (MEMORY_MOVE_COST): .... here;
3853 (struct processor costs): Add new fields to represent costs
3856 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3858 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3859 move_cost together with Matt Kraai's fix.
3861 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3863 * Makefile.in (OBJS): Add params.o.
3865 2001-02-14 Richard Henderson <rth@redhat.com>
3866 DJ Delorie <dj@redhat.com>
3868 * jump.c (jump_optimize_1): When we delete a conditional jump
3869 preceeding a non-conditional jump to effectively the same place,
3870 make sure that the combined jump skips any clobber insns between
3873 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3875 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3877 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3879 * Makefile.in (toplev.o): Depend on params.h.
3880 (intergate.o): Likewise.
3881 (params.o): New target.
3882 * flags.h (inline_max_insns): Remove.
3883 * integrate.c: Include params.h.
3884 Use MAX_INLINE_INSNS instead of inline_max_insns.
3885 * params.c: New file.
3886 * params.h: Likewise.
3887 * params.def: Likewise.
3888 * toplev.c: Include params.h.
3889 (lang_independent_params): New variable.
3890 (decode_f_option): Use the param machinery instead of setting
3892 (independent_decode_option): Handle "--param name=value".
3893 (main): Register language-independent parameters.
3895 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3897 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3899 2001-02-14 Richard Henderson <rth@redhat.com>
3901 * regclass.c (init_reg_sets_1): Revert last two changes.
3903 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3905 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3906 (variable_size): Call put_pending_size.
3907 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3908 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3909 sizes list, put newly created SAVE_EXPR there as well.
3911 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3913 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3914 (errata_find_address_regs): load_group has only 2 entries.
3915 (errata_emit_nops): Likewise. shladd is not problematic.
3916 Clear last_group if nop was emitted.
3917 (fixup_errata): load_group has only 2 entries.
3920 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3922 * c-lex.c (lex_number): Only warn traditionally for U suffix
3923 outside system macros.
3924 * cppexp.c (parse_number): Similarly.
3925 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3926 * cppmacro.c (struct cpp_macro): New member node.
3927 (parse_args): Only warn about missing rest args if not
3929 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3930 (cpp_sys_objmacro_p): New.
3931 (_cpp_create_definition): Store the node with the macro defn.
3932 Remember if the macro is defined in a system header.
3934 2001-02-13 DJ Delorie <dj@redhat.com>
3936 * configure.in (check_languages): determine languages to check
3937 * Makefile.in (check-c++): alias for check-g++
3938 (check-f77): alias for check-g77
3939 (CHECK_TARGETS): depend on configured languages
3941 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3943 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3944 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3945 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3946 (sqrtextendsfdf2): Disable for SSE2.
3948 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3950 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3951 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3952 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3953 (sqrtextendsfdf2): Disable for SSE2.
3955 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3957 * i386.md (movsfcc_1): Support integer cmove instruction.
3958 (movdfcc_1): Likewise; new splitter.
3960 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3962 * i386.c (output_fp_compare): Support SSE.
3963 (prepare_fp_compare_args): SSE comparisons always support memory.
3964 * i386.h (TARGET_CMOVE): SSE imply cmove.
3965 * i386.md (cmp?f2): Enable for SSE too.
3966 (cmpfp_i*): Support SSE.
3968 (cmpfp_i_sse_only): New.
3969 (s*, b* fp expanters): Enable for SSE too.
3970 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3973 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3975 * regclass.c (init_reg_sets_1): Silence warning.
3977 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3979 * i386.md (sqrt?f2): Change to expander.
3980 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3982 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3984 * rtlanal.c (find_reg_equal_equiv_note): New function.
3985 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3986 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3987 * rtl.h: Add declarations for above functions.
3989 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3991 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3993 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3994 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3995 * flow.c (mark_regs_live_at_end): Likewise.
3996 (calculate_global_regs_live): Likewise.
3997 * gcse.c (compute_hash_table): Likewise.
3998 (compute_kill_rd): Likewise.
3999 * resource.c (mark_target_live_regs): Likewise.
4000 * rtl.h (INVALID_REGNUM): New macro.
4002 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4004 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4006 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4008 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4011 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4013 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4015 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4016 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4017 (fop_sf_1_sse, fop_df_1_sse): New patterns
4018 (fop_*): Disable float_extend and float patterns for SSE compilation.
4019 * i386.c (output_387_binary_op): Support SSE.
4021 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4023 * i386.md (dummy_extendsfdf2): Support SSE2
4024 (extendsfdf2): Enable if 80387 or SSE2.
4025 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4026 and no MIX_I387_SSE2
4027 (extendsfdf2_1_sse_only): New pattern.
4028 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4030 (truncdfsf2_1): Support SSE.
4031 (truncdfsf2_2): Support SSE.
4032 (truncdfsf2_2_1_sse): New pattern.
4033 (fixtruncsfsi2): Always use SSE if available.
4034 (fix_truncsfsi_sse): New pattern.
4035 (fix_truncdfsi_sse): New pattern.
4036 (floatsis?f2): Support SSE.
4037 (floatsidf2_i387): New pattern.
4038 (floatsidf2_sse): Likewise.
4040 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4042 * configure.in: Use "have_gnat" variable, not "gnat".
4043 * configure: Regenerated.
4045 * config/sparc/sparc.c (function_value): Treat all non-record
4046 aggregate types like used to treat UNION_TYPE.
4048 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4050 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4051 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4053 (MASK_MIX_SSE_I387): New.
4054 (TARGET_SSE): SSE2 imply SSE.
4055 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4056 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4057 (enum reg_class): Add new classes.
4058 (REG_CLASS_NAMES): Likewise.
4059 (REG_CLASS_CONTENTS): Likewise.
4060 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4061 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4062 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4063 (CLASS_MAX_NREGS): Use new macros.
4064 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4065 * i386.md (pushsf, movsf): Support SSE.
4066 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4067 splitters to use ANY_FP_REGNO_P.
4068 (movdf_nointeger, movdf_integer): Likewise.
4070 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4072 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4073 (try_combine): Use it.
4075 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4077 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4078 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4079 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4080 (REGISTER_MOVE_COST): Likewise.
4081 * i386-protos.h (ix86_secondary_memory_needed,
4082 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4083 * i386.c (ix86_secondary_memory_needed,
4084 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4086 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4088 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4089 (HARD_REGNO_MODE_OK): Move offline to ....
4090 * i386.c (ix86_hard_regno_mode_ok) ... here;
4091 refuse all incorrect modes.
4092 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4094 2001-02-13 Richard Henderson <rth@redhat.com>
4096 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4097 entire operator; replicate that and match_dup the operands.
4098 (cmp_ccx_arith_op_set): Likewise.
4099 (cmp_cc_arith_op_not_set): Likewise.
4100 (cmp_ccx_arith_op_not_set): Likewise.
4102 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4104 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4106 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4108 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4109 (TARGET_NO_BITFIELD_WORD): New macro.
4110 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4111 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4113 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4115 * cselib.c: New file, from simplify-rtx.c.
4116 * simplify-rtx.c: Remove cselib parts.
4117 * Makefile.in: Add cselib.o.
4119 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4121 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4122 (setup_incoming_varargs): Remove warning.
4124 * config/rs6000/rs6000.c (validate_condition_mode): When
4125 flag_fast_math, allow floating-point conditionals to be reversed.
4126 (rs6000_generate_compare): When flag_fast_math, don't generate
4127 cror operations for FP conditionals.
4129 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4131 (ASM_SPEC): Likewise.
4132 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4133 (CC1_SPEC): Likewise.
4134 (LINK_TARGET_SPEC): Likewise.
4135 (CPP_ENDIAN_SPEC): Likewise.
4136 * Makefile.in (check-consistency): New target.
4138 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4140 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4141 "return type defaults" warning for functions with return type
4143 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4144 function declarations by default rather than only when pedantic.
4146 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4148 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4151 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4153 * extend.texi (Deprecated): Deprecate new initializer lists.
4155 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4157 * mkdeps.c (deps_add_default_target): Robustify. Add
4158 basename component only.
4159 * cpp.texi (-M): Describe how default target is generated.
4160 * invoke.texi (-M): Likewise.
4162 2001-02-12 Kazu Hirata <kazu@hxi.com>
4164 * toplev.c (push_float_handler): Remove.
4165 (pop_float_handler): Remove.
4166 * toplev.h: Remove prototypes for the above functions.
4168 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4170 * c-common.c (constant_fits_type_p): New function.
4171 (convert_and_check): Use it.
4173 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4175 * Makefile.in (GXX_ABI_FLAG): Don't define.
4176 * configure.in (--enable-new-gxx-abi): Remove option.
4177 * config.in: Regenerated.
4178 * configure: Likewise.
4180 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4182 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4184 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4185 regular basic block, and arrange for all edges into it to switch
4188 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4190 * Makefile.in (distclean): Do not remove .gdbinit.
4192 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4194 * Makefile.in (gcc.o): Fix typos.
4195 (protize.o): Likewise.
4196 (unprotoize.o): Likewise.
4198 2001-02-11 Richard Henderson <rth@redhat.com>
4200 * tree.c (build1): Check for null operand in last change.
4202 2001-02-11 Richard Henderson <rth@redhat.com>
4204 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4205 (fold): Don't assume a constant isn't foldable.
4206 * tree.c (build): Set TREE_CONSTANT for an expression with no
4207 side-effects and constant operands.
4210 2001-02-10 Richard Henderson <rth@redhat.com>
4212 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4214 2001-02-10 Anthony Green <green@redhat.com>
4216 * cpp.texi (Standard Predefined): Add documentation for
4219 * c-common.c (combine_strings): Improve warning message.
4221 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4223 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4225 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4227 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4229 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4232 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4234 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4237 2001-02-09 Nick Clifton <nickc@redhat.com>
4239 * config/arm/arm.md: Change output contraint on post inc
4240 load/store multiple patterns to be a read/write contraint.
4242 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4244 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4245 .o files when using the -M options.
4247 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4248 David Edelsohn <edelsohn@gnu.org>
4250 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4251 handle DImode constants. Use one TOC entry for SImode and smaller
4252 constants, aligned properly.
4254 2001-02-08 Jason Merrill <jason@redhat.com>
4256 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4257 about the SP adjustment for saving the static chain pointer.
4258 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4259 offset when setting a temporary CFA register.
4261 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4263 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4264 powerpc-*-chorusos* .
4265 * config/rs6000/chorus.h : New file.
4266 * config/i386/chorus.h : New file.
4267 * config/sparc/chorus.h : New file.
4268 * config/sparc/t-chorus-elf : New file.
4270 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4272 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4273 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4274 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4275 (__WCHAR_TYPE__): Correct macro name.
4277 2001-02-08 Richard Henderson <rth@redhat.com>
4279 * config/i386/i386.c (ix86_frame_pointer_required): New.
4280 (ix86_setup_frame_addresses): New.
4281 (struct machine_funciton): Add accesses_prev_frame.
4282 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4283 ix86_frame_pointer_required.
4284 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4285 (SETUP_FRAME_ADDRESSES): New.
4286 * config/i386/i386-protos.h: Update.
4287 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4288 from FRAME_POINTER_REQUIRED.
4289 * config/i386/svr3gas.h: Likewise.
4290 * config/i386/sysv3.h: Likewise.
4291 * config/i386/v3gas.h: Likewise.
4293 2001-02-08 Richard Henderson <rth@redhat.com>
4295 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4296 calculation of the number of integer registers required.
4297 (function_arg_record_value): Likewise.
4299 2001-02-08 Jason Merrill <jason@redhat.com>
4301 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4302 two. Print file and line with "confused" message.
4304 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4306 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4308 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4310 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4312 * final.c (cleanup_subreg_operands): The address of a MEM can
4315 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4318 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4320 * gcc.texi (Incompatibilities): Update documentation of
4321 preprocessing numbers.
4323 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4325 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4327 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4329 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4331 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4332 * gcc.c (struct compiler): Add cpp_spec field.
4333 (input_file_compiler): New variable.
4334 (do_spec_1): Allow a particular compiler to handle `%C'
4336 (main): Store the current compiler in input_file_compiler.
4337 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4339 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4341 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4342 * cppinit.c (cpp_create_reader): Initialize them.
4343 (append_include_chain): cxx_aware arg might be unused.
4344 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4345 keywords and give them their phase 7 meaning. Pedwarn about
4346 this unless '__bool_true_false_are_defined' is defined.
4348 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4350 * lcm.c (optimize_mode_switching): Emit mode_set before the
4351 JUMP_INSN of an abnormal edge.
4353 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4355 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4356 a scheduling barrier at the end.
4358 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4360 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4362 * config/sh/sh.md (reload_outsf): Removed.
4363 (movsf_ie): Introduce constraints for FPUL loads and stores.
4364 (reload_insf): Broaden the output constraint.
4366 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4368 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4369 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4371 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4373 * final.c: Revert my previous changes.
4374 * output.h: Make profile_label_no extern.
4375 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4376 for generating label.
4378 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4380 * config/i386/djgpp.h: Add comments about standard paths.
4381 (MD_EXEC_PREFIX): Undefine before defining.
4382 (MD_STARTFILE_PREFIX): New.
4384 2001-01-30 Bruce Korb <bkorb@gnu.org>
4386 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4387 (load_file): do not rely on load_file_data() to close file pointer
4388 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4389 fixinc/inclhack.def(irix_limits_const): add test_text
4391 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4393 * cppexp.c (parse_defined): Improve diagnostics for invalid
4396 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4398 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4400 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4402 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4403 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4404 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4405 (rs6000_output_symbol_ref): New function.
4406 (output_toc): Use VTABLE_NAME_P.
4408 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4410 * print-tree.c (print_node, case PARM_DECL):
4411 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4413 * stor-layout.c (reference_types_internal): New variable.
4414 (internal_reference_types): New function.
4415 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4416 * tree.h (internal_reference_types): New declaration.
4418 * cse.c (find_best_addr): Fix typo in computing cost.
4420 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4422 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4423 and this is the sum of a pointer and a constant, we know the result
4425 (num_sign_bit_copies, case PLUS): Likewise.
4426 * explow.c (convert_memory_address): Remove opposite SUBREG.
4427 * function.c (instantiate_new_reg): New function (from common code).
4428 (instantiate_virtual_regs_1): Call it.
4429 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4430 if pointers sign- or zero-extend.
4431 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4432 If pointers extend unsigned, use inside of SUBREG.
4433 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4435 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4437 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4438 subdir of gcc_gxx_include_dir.
4439 (gcc_gxx_target_include_dir): Remove.
4441 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4443 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4444 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4445 a high-level description.
4447 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4449 * final.c: Move the declaration of profile_label_no to ...
4450 * output.h: ... here.
4451 * function.c (expand_function_start): Call PROFILE_HOOK.
4452 * config/rs6000/aix.h: Define PROFILE_HOOK.
4453 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4454 * config/rs6000/rs6000.c (output_profile_hook): Define.
4455 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4456 output_profile_hook.
4457 tm.texi : Explain new macro PROFILE_HOOK.
4459 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4461 * extend.texi (Extended Asm): Do not say that semicolon is always
4462 a valid line-breaking character for GNU assemblers. Use
4463 newline-tab as the most commonly supported syntax. Use
4464 newline-tab rather than semicolon in multi-insn examples.
4466 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4468 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4470 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4471 David Edelsohn <edelsohn@gnu.org>
4473 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4474 code for AIX, even without flag_pic.
4476 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4478 * c-typeck.c (common_type): push and pop binding level around
4479 calling common_type on function parameters.
4481 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4483 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4485 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4487 * config/mips/mips.c (override_options): Fix typo in last change.
4488 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4489 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4491 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4493 * invoke.texi (-fdump-class-layout): Document.
4494 (-fdump-translation-unit): Use `=' as filename separator.
4496 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4498 * Makefile.in (s-mlib): Don't build multilibs if
4500 (DRIVER_DEFINES): Adjust accordingly.
4502 (protoize.o): Likewise.
4503 (unprotoize.o): Likewise.
4504 * configure.in: Recognize --enable-multilib.
4506 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4508 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4510 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4511 * configure.in: Remove --enable-libstdcxx_v3 support.
4512 * configure: Regenerated.
4514 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4516 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4517 Call abort instead of fatal.
4518 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4519 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4520 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4521 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4522 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4523 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4525 * diagnostic.h (set_internal_error_function): Renamed.
4526 * toplev.h (internal_error): Renamed from fatal.
4527 (pfatal_with_name): Deleted.
4528 (fatal_io_error): Now has printf-style arguments.
4529 * diagnostic.c (pfatal_with_name): Deleted.
4530 (fatal_io_error): Rework to have args in printf-style.
4531 (set_internal_error_function): Renamed from set_fatal_function.
4532 (internal_error): Renamed from fatal.
4533 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4534 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4535 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4536 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4537 * flow.c (verify_flow_info): Likewise.
4538 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4539 * config/mips/mips.c (save_restore_insns): Likewise.
4541 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4542 * flow.c (verify_flow_info): Likewise.
4543 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4544 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4545 (avr_normalize_condition): Likewise.
4546 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4547 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4548 (limit_reload_class, double_reg_to_memory): Likewise.
4549 (print_operand_address, emit_1600_code_shift): Likewise.
4550 (gen_tst_reg, gen_compare_reg): Likewise.
4551 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4552 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4554 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4556 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4557 * objc/objc-act.c (build_ivar_chain): Likewise.
4558 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4560 * graph.c (clean_graph_dump_file): Likewise.
4561 * profile.c (init_branch_prob): Likewise.
4562 * objc/objc-act.c (objc_init): Likewise.
4564 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4565 * config/avr/avr.c (avr_override_options): Likewise.
4566 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4567 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4568 * config/h8300/h8300.c (h8300_init_once): Likewise.
4569 * config/mips/mips.c (override_options): Likewise.
4570 * config/i386/i386.c (override_options): Likewise, rework.
4571 * config/m68k/m68k.c (override_options): Likewise.
4573 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4575 * config/mips/mips.c (print_operand): Likewise.
4576 * hash.c (hash_allocate): Don't check for failure returns from
4577 obstack functions that can't fail.
4578 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4579 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4580 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4581 (get_object_reference): Likewise.
4583 2001-02-04 Nick Clifton <nickc@redhat.com>
4585 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4586 StrongARM1110, 10TDMI, and 1020T.
4588 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4590 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4592 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4594 * config/sh/sh.md (movdf load split): Pass register number to
4595 FP_OR_XD_REGISTER_P.
4597 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4599 * cppinit.c (BC): New macro.
4600 (builtin_array): Add __GXX_WEAK__.
4601 * cpplib.h (builtin_type): Add BT_WEAK.
4602 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4603 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4604 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4606 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4608 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4610 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4612 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4613 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4615 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4617 * cpphash.h: Rename ALIGN _ALIGN.
4618 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4620 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4622 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4623 compilation environment.
4624 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4625 control over location of cygwin includes and libs.
4627 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4629 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4631 2001-02-02 lars brinkhoff <lars@nocrew.org>
4633 * md.texi (Standard Names): remove reference to spur.md.
4635 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4637 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4638 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4639 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4640 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4641 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4643 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4645 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4646 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4647 number before reload.
4648 (c4x_adjust_cost): Return zero before reload.
4649 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4650 split before reload.
4652 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4654 * c4x.c (c4x_hard_regno_rename_ok): New.
4655 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4656 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4658 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4660 * diagnostic.h: Add missing "extern" in all declarations.
4662 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4664 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4665 as for gcc_gxx_include_dir.
4667 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4669 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4671 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4673 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4674 label before alignment to be used as the braf base address.
4675 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4677 (casesi_jump_2): Require at least TARGET_SH2.
4679 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4680 truncation to 32-bit doubles on -m3e and -m4-single-only.
4682 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4684 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4685 the default when building a shared object.
4686 (init_spec): Use it.
4687 * testsuite/lib/g++.exp: Include the directory where libgcc
4688 is located to the LD_LIBRARY_PATH list.
4689 * invoke.texi (-shared-libgcc): Document the cases in which
4690 GCC defaults to using the shared libgcc.
4692 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4694 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4695 unsigned is wide enough.
4697 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4698 (si_to_float): Likewise.
4699 (float_to_si, float_to_usi): Use BITS_PER_SI.
4701 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4703 * dwarf2out.c: Added explanation of abbreviations.
4704 (def_cfa_1): Added comments listing DWARF2 instructions.
4705 (cfa_temp_reg): Removed in favor of cfa_temp.
4706 (cfa_temp_value): Removed in favor of cfa_temp.
4707 (cfa_temp): New global variable.
4708 (dwarf2out_frame_debug_expr): Added extensive introductory
4709 comments explaining the function's transformations. Revised to
4710 use cfa_temp. Added some rtx checking. Generalize IOR case.
4711 (dwarf2out_frame_debug): Revised to use cfa_temp.
4712 (output_aranges): Cast as "unsigned" to avoid warning.
4713 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4714 explain which instructions must be marked.
4716 2001-02-01 Richard Henderson <rth@redhat.com>
4718 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4721 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4723 * config/sh/crt1.asm (main_k): Modified so that start calls
4724 ___setup_argv_and_call_main.
4726 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4728 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4729 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4730 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4731 * cppmacro.c (builtin_macro): Set builtin flags here.
4732 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4733 (replace_args): Clarify intent.
4734 (cpp_get_token): Macro expansion tokens get the saved flags.
4736 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4739 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4741 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4744 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4746 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4747 returns Pmode pseudo, but we need ptr_mode.
4748 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4749 Remove bogus conversions; use HOST_WIDE_INT for size.
4750 Don't use TARGET if wrong mode.
4752 * config/i386/i386.c (ix86_compute_frame_size): Allow
4753 stack_alignment_needed to be non-default even if size is zero.
4755 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4757 * pa.c (hppa_init_pic_save): New function.
4758 * pa.h (hppa_init_pic_save): Declare.
4759 * pa.md (call, call_value, sibcall, sibcall_value): Use
4760 the above instead of duplicated code.
4762 * pa.c (hppa_encode_label): Correct size of alloca buffer
4763 so we don't overrun it. Correct leading `*' case.
4764 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4765 need to handle `*@'.
4766 (FUNCTION_NAME_P): Likewise.
4768 2001-01-31 Richard Henderson <rth@redhat.com>
4770 * config.gcc (alpha-osf5): Use float-i128.h.
4772 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4773 * config/float-i32.h: Likewise.
4774 * config/float-i64.h: Likewise.
4775 * config/float-sh.h: Likewise.
4776 * config/float-sparc.h: Likewise.
4778 2001-01-31 DJ Delorie <dj@redhat.com>
4780 * expmed.c (extract_bit_field): allow non-integral modes if we
4781 want to extract a whole register from itself.
4783 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4785 * c-typeck.c (set_init_index): If first is equal to last, assume as
4786 if it was not a range at all.
4788 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4790 * config/fp-bit.c: Include tm.h.
4791 (float_to_si): Don't assume SImode is 32-bits wide.
4792 (float_to_usi): Likewise.
4794 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4796 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4798 (typename): Call pending_xref_error after parsing typed_typespecs.
4799 * c-decl.c (lookup_tag): Give error immediately rather than
4800 leaving it pending if the tag of the wrong type is in the same
4802 (xref_tag): Don't pedwarn for forward declarations of enum types
4804 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4807 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4809 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4811 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4813 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4814 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4816 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4818 * cpphash.h (struct cpp_reader): New saved_flags.
4819 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4820 to avoid a paste after a pasted token.
4822 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4824 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4825 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4826 Wtype_MIN instead of LONG_MIN.
4828 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4830 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4832 * fixinc/fixincl.x: Regenerated.
4833 * fixinc/inclhack.def (irix_limits_const): New definition to
4834 convert "const" to "__const" in limits.h.
4836 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4838 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4840 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4842 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4843 when register dies in the insn.
4845 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4847 * diagnostic.c (fatal): Fix word wrap.
4849 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4851 * combine.c (try_combine): Fix SUBREG setting for
4852 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4854 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4856 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4859 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4861 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4863 * toplev.c (decode_W_option): Update warn_larger_than
4864 unconditionally for each processed switch.
4866 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4868 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4870 (hppa_expand_prologue): Delete code to save pic offset table register
4871 in the function prologue.
4872 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4873 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4874 table register at the beginning of the function after the prologue.
4876 2001-01-29 lars brinkhoff <lars@nocrew.org>
4878 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4880 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4881 Jeff Law <law@redhat.com>
4883 * pa.md (return): Revise comment for trivial return.
4884 (return_internal): Non-trivial return pattern for non-PIC code.
4885 (return_internal_pic): Non-trivial return pattern for PIC code.
4886 It uses the PIC register to ensure it is restored after
4888 (epilogue): Generate appropriate return for PIC and non-PIC code.
4890 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4892 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4894 2001-01-29 DJ Delorie <dj@redhat.com>
4896 * combine.c (if_then_else_cond): Pass the correct mode to
4897 operand_subword() for constants.
4899 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4901 * config/i386/cygwin.h: Add w32api to include search. Search different
4902 directories in a cross-build environment.
4904 2001-11-29 Tim Josling <tej@melbpc.org.au>
4906 * tree.h (TYPE_STUB_DECL): Add documentation.
4908 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4910 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4911 (sdbout_field_types): Likwise. Fix use of host_integerp.
4913 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4915 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4918 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4920 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4921 to use flag_gnu_linker.
4923 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4925 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4926 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4928 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4930 * tree.c, tree.h (build_parse_node): Remove; was identical to
4932 * c-lang.c (start_cdtor), objc/objc-act.c
4933 (build_module_descriptor): Use build_nt instead of
4936 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4938 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4939 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4940 not have any upper bits set.
4942 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4944 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4946 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4950 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4952 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4953 (integer_minus_one_node): Define.
4955 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4957 * Makefile.in (bootstrap2-lean): Fix typo.
4959 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4962 : Don't set fe_value.
4963 * cpplib.h (AVOID_LPASTE): New flag.
4964 (struct cpp_hashnode): Remove fe_value.
4965 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4966 * cppmacro.c (builtin_macro): Don't set flags here.
4967 (replace_args): Set AVOID_LPASTE flag on first token of an
4968 argument, and the token following it.
4969 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4970 macro expansion, and on the token following it. Do it for
4972 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4974 2001-01-27 Richard Henderson <rth@redhat.com>
4976 * config/alpha/t-ieee: Remove multilibbing.
4977 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4979 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4981 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4983 * Makefile.in: Remove all dependencies on defaults.h.
4984 * builtins.c: Don't include defaults.h.
4985 * c-common.c: Likewise.
4986 * c-decl.c: Likewise.
4987 * c-pragma.c: Likewise.
4988 * c-typeck.c: Likewise.
4989 * combine.c: Likewise.
4991 * frame-ia64.c: Likewise.
4992 * cppexp.c: Likewise.
4993 * crtstuff.c: Likewise.
4994 * dbxout.c: Likewise.
4995 * dwarf2out.c: Likewise.
4996 * dwarfout.c: Likewise.
4997 * emit-rtl.c: Likewise.
4998 * except.c: Likewise.
5000 * final.c: Likewise.
5001 * frame-dwarf2.c: Likewise.
5002 * libgcc2.c: Likewise.
5003 * optabs.c: Likewise.
5004 * profile.c: Likewise.
5005 * sdbout.c: Likewise.
5006 * toplev.c: Likewise.
5007 * tradcif.y: Likewise.
5009 * varasm.c: Likewise.
5011 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5013 * builtins.c (expand_builtin_fputs): Use size_one_node when
5014 transforming into fwrite.
5016 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5018 * extend.texi (Attribute Syntax): New section.
5020 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5022 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5023 they didn't need fixing.
5025 2001-01-27 Janis Johnson <janis@us.ibm.com>
5027 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5029 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5030 to remove macro definitions that are duplicated from elfos.h.
5032 2001-01-27 Richard Henderson <rth@redhat.com>
5034 * config/i386/sco5gas.h: Move ...
5035 * config/usegas.h: ... here.
5036 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5038 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5040 * c-typeck.c (struct constructor_stack): Add range_stack member.
5041 (really_start_incremental_init): Clear it.
5042 (push_init_level): Save constructor_range_stack and clear it if
5043 pushing explicit braces.
5044 (pop_init_level): abort if constructor_range_stack is non-zero at
5045 explicit closing brace. Restore saved constructor_range_stack if
5048 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5050 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5051 into register was forced into memory.
5053 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5055 * Makefile.in: Remove uses of + before $(MAKE).
5057 2001-01-26 Richard Henderson <rth@redhat.com>
5059 * stmt.c (cost_table): Remove.
5060 (COST_TABLE, cost_table_initialized): New.
5061 (estimate_case_costs): Use the later instead of the former.
5062 (balance_case_nodes): Likewise.
5064 2001-01-26 Richard Henderson <rth@redhat.com>
5066 * alias.c (objects_must_conflict_p): Read-only slots may not
5067 conflict despite having the same type.
5069 2001-01-27 Michael Hayes <mhayes@redhat.com>
5071 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5073 (check_ext_dependant_givs): Initialise u_start_val and
5075 (load_mems): Make last_max_reg unsigned.
5076 (try_swap_copy_prop): Use INSN_P and initialise set.
5078 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5080 * README.AVR : Removed.
5082 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5084 * pa-64.h (text_section): Remove declaration.
5086 * pa.md (return_internal): Remove mode on PIC register use.
5088 2001-01-25 lars brinkhoff <lars@nocrew.org>
5090 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5091 ASM_CLOSE_PAREN): fix typos.
5093 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5095 * acconfig.h: Define `const' to the empty string if neither
5096 __STDC__ nor __cplusplus is defined.
5097 * config.in: Regenerated.
5099 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5101 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5102 * collect2.c (main): Delete importf. Add ".obj" file extension.
5103 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5104 (aix_std_libs): Add additional AIX libraries to skip.
5105 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5106 * config/rs6000/aix51.h: New file.
5108 2001-01-25 Michael Hayes <mhayes@redhat.com>
5110 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5111 (loop_insn_emit_before): No longer static.
5112 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5113 (loop_givs_rescan, load_mems): Likewise.
5114 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5115 (maybe_eliminate_biv_1):
5116 (move_movables): Replace emit_call_insn_before with
5117 loop_call_insn_hoist.
5118 * loop.h (loop_insn_emit_before): Add.
5119 * unroll.c (copy_loop_body): Replace emit_insn_before with
5120 loop_insn_emit_before.
5122 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5124 * diagnostic.c (fatal): Request preprocessed source.
5126 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5128 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5129 olddecl has argument types and newdecl has none, use the argument
5132 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5134 * dwarf2out.c (prefix_of): New function. Determine longest common
5135 prefix of the two arguments. The units are whole path components.
5136 (output_file_names): When adding a new directory find the one entry
5137 with the longest common prefix already in the list. Artificially
5138 generate entry if there is none for this prefix.
5139 Fix test to check whether the zeroth directory entry is used.
5141 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5143 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5144 Changed all callers. Take it into account when deciding if a
5145 previously loaded value matches.
5147 2001-01-24 Richard Henderson <rth@redhat.com>
5149 * reload.c (find_reloads_subreg_address): Fail the substitution
5150 if the resulting address is insufficiently aligned.
5152 2001-01-24 DJ Delorie <dj@redhat.com>
5154 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5155 check the original operand's mode also.
5156 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5158 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5160 * c-parse.in (cast_expr): Move compound literals from here ...
5161 (primary): ... to here. Use standard terminology "compound
5162 literal" instead of "constructor expression".
5164 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5166 * gcc.1, cpp.1: Regenerate.
5168 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5170 * calls.c (emit_library_call_value_1): Memory slot for
5171 pass-by-reference argument should have the mode of the argument,
5172 not of the pointer to it.
5174 2001-01-24 Tom Tromey <tromey@redhat.com>
5176 * gcc.texi (G++ and GCC): Mention gcj manual.
5177 (Standards): Link to section of manual mentioning gcj/Java
5180 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5182 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5183 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5184 * tradcpp.c (main): Add -imacros or -include'd dependencies
5186 * cpp.texi (-M, -MM): Document -M -include behaviour.
5188 2001-01-24 Roger Collins <roger@ProProject.com>
5190 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5192 2001-01-24 Will Cohen <wcohen@redhat.com>
5194 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5195 whether registers are 32 bits or 64 bits in size.
5197 2001-01-24 Ben Elliston <bje@redhat.com>
5199 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5201 2001-01-24 Richard Henderson <rth@redhat.com>
5203 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5204 (builtin_longjmp): Use it instead of emit_indirect_jump.
5206 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5208 * bb-reorder.c (make_reorder_chain_1): Handle case where
5209 jump edge goes to the same block as the fallthru edge.
5211 2001-01-23 Jim Wilson <wilson@redhat.com>
5213 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5214 * frame.h (__ia64_personality_v1): Add prototype.
5215 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5216 prototype form. Add void * cast to first argument to personality
5218 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5219 (asctoe113): Likewise.
5220 * config/ia64/frame-ia64.c: Include eh-common.h.
5221 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5223 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5225 (itanium_split_issue): Add prototype.
5226 (gen_nop_type): Ifdef out.
5227 (find_best_packet): Initialize best_packet.
5228 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5230 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5231 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5232 (flushrs): Add explicit stop bit at end.
5233 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5236 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5238 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5240 * libgcc2.c (__terminate_func): Make variable static.
5241 (__terminate_set_func): New function to set __terminate_func.
5242 * libgcc2.h (__terminate_func_ptr): New typedef.
5243 (__terminate_set_func): New function.
5245 2001-01-23 Richard Henderson <rth@redhat.com>
5247 * flow.c (init_propagate_block_info): Don't consider unchanging
5248 memories for dead frame store elimination.
5250 2001-01-23 Richard Henderson <rth@redhat.com>
5252 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5253 * defaults.h: ... here.
5255 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5257 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5259 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5261 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5263 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5265 * rs6000.h (rs6000_return_addr): Move prototype from here...
5266 * rs6000-protos.h (rs6000_return_addr): ...to here.
5267 (rs6000_init_expanders): Delete prototype.
5269 2001-01-23 Nick Clifton <nickc@redhat.com>
5271 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5272 (Spec Files): Document %B and %j and %. and %v3 and %M and
5273 %{S*&T} spec switches.
5275 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5277 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5279 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5280 Neil Booth <neil@daikokuya.demon.co.uk>
5282 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5283 Have -Werror make pedantic warnings errors, like the
5286 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5288 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5290 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5292 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5293 * integrate.c (expand_inline_function): Initialize them.
5294 (subst_constants): If changing COMPARE so that both its arguments
5295 will be VOIDmode and the comparison mode will be lost, note
5296 compare_mode. Use the recorded compare_mode to optimize
5299 2001-01-23 Jason Merrill <jason@redhat.com>
5301 * dwarf2out.c (new_die): Use xcalloc.
5302 (output_die): Abort rather than emit a local reference to offset 0.
5304 2001-01-17 Andrew Haley <aph@redhat.com>
5306 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5307 of a saved register; return NULL instead.
5308 (copy_reg): Take a pointer to a source register rather than a
5310 (next_stack_level): Remember the address in the stack frame of all
5312 Use the saved register pointer array as the source of the CFA.
5313 (throw_helper): Rewrite. Unwind once rather than twice and keep
5314 track of saved registers as we go.
5316 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5318 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5319 * c4x.c (c4x_legitimize_reload_address): Remove.
5320 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5321 reload address for ldp(k) insn.
5323 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5325 * pa.md (return_internal): Add a USE of the PIC register to ensure
5326 it is restored after each call.
5327 (return expander): Corresponding changes.
5329 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5331 * rs6000.h (INIT_EXPANDERS): Delete.
5332 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5333 * rs6000.c (rs6000_override_options): Call *_machine_status from
5335 (rs6000_init_expanders): ...instead of here. Delete.
5336 (rs6000_mark_machine_status): New function.
5337 (rs6000_init_machine_status): Use xcalloc.
5338 (rs6000_return_addr): Generate RTX for the return address.
5339 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5340 (rs6000_stack_info): Use it.
5342 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5344 * gthr-win32.h: Include errno.h to get a declaration for
5345 EINVAL and _mingw.h if the target is mingw32.
5347 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5349 * cpp.texi: Correct typos.
5351 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5353 * explow.c (probe_stack_range): Ensure value passed to
5354 stack_check_libfunc is ptr_mode, not Pmode.
5356 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5358 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5359 case, don't use operand_subword to calculate a SUBREG that is
5362 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5364 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5366 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5367 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5368 valid. If not replace it by equivalent insns.
5370 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5372 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5373 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5374 (c4x_U_constraint, symbolic_address_operand): Likewise.
5375 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5377 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5378 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5379 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5380 anulling slot because of silicon bug.
5381 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5383 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5385 * cppexp.c (parse_charconst): Change `mask' type to agree
5388 2001-01-21 Richard Henderson <rth@redhat.com>
5390 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5391 pic_label_name in a linkonce section.
5393 2001-01-17 Philipp Thomas <pthomas@suse.de>
5395 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5397 * configure: Regenerate.
5399 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5401 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5402 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5404 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5406 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5407 If REVERSE nonzero then condition code in X must be reversed.
5408 (encode_section_info): Optimise if/else.
5409 (avr_function_value): Fix formatting.
5411 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5412 (difficult_branch): Likewise.
5413 (rvbranch): Likewise.
5414 (difficult_rvbranch): Likewise.
5416 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5418 * config/avr/libgcc.S: Fix comment.
5420 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5422 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5424 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5426 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5428 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5430 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5431 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5432 * configure, config.in: Regenerate.
5433 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5434 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5435 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5436 (doprint.o): New rule.
5438 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5440 * c-typeck.c (digest_init): Handle boolean types as scalars.
5442 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5444 * stmt.c (expand_return): Don't return anything if size is zero.
5445 Delete redundant assignment to BYTES.
5446 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5448 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5450 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5451 the same as the default library function names.
5452 * config/avr/avr.md: Document special characters after '%'.
5453 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5454 knowing which of the call-used registers are really clobbered.
5455 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5456 New. Both quotient and remainder from one libgcc.S call.
5457 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5458 clobber as few registers as possible.
5459 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5461 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5463 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5464 context of the top of the stack.
5466 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5468 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5469 (fixup_var_refs_insns): ...here.
5471 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5473 * function.c (fixup_var_refs_insns): Break up into
5474 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5475 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5476 [loop over hash table entries].
5477 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5478 fixup_var_refs_insns_with_hash, to match above changes.
5480 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5482 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5483 (libgcc.a): Likewise.
5484 (stmp-multilib): Likewise.
5485 (STAGE2_FLAGS_TO_PASS): Likewise.
5487 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5489 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5490 temporary if no_new_pseudos.
5492 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5494 * cppinternals.texi: Update.
5496 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5498 * arm.c (arm_init_builtins): Re-enable builtins.
5500 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5502 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5503 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5504 element to be null, and always expect an EXPR_LIST.
5505 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5506 * sched-deps.c (sched_analyze_1): Likewise.
5507 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5509 * regclass.c (max_set_parallel): New variable.
5510 (reg_scan): Take it into account in computation of max_parallel.
5511 (reg_scan_mark_refs, case SET): Compute it.
5513 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5515 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5516 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5518 2001-01-19 Jason Merrill <jason@redhat.com>
5520 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5521 for the abstract instance of an inline function.
5523 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5524 J"orn Rennecke <amylaar@redhat.com>
5526 * reload1.c (move2add_note_store): Treat all registers directly or
5527 indirectly derived from a base register as members of the same set
5529 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5530 of base register into account.
5532 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5534 * alias.c (find_base_value): Recognize TRUNCATE.
5535 (record_set): In PLUS case, invalidate if other summand is also a
5538 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5540 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5541 entry to be EXPR_LIST.
5542 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5543 be an EXPR_LIST (but not null, which other code doesn't allow).
5544 (note_stores): Properly handle PARALLEL in SET.
5545 Recursively call for top-level PARALLEL.
5546 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5547 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5549 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5551 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5553 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5554 not pfile->skipping (== 0).
5556 2001-01-17 Nick Clifton <nickc@redhat.com>
5558 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5561 2001-01-17 Jim Wilson <wilson@redhat.com>
5563 * invoke.texi (IA-64 options): Improve.
5565 2001-01-17 Tom Tromey <tromey@redhat.com>
5567 * invoke.texi (Optimize Options): Use `{}' to around @samp
5570 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5572 * invoke.texi (-fno-guess-branch-probability): New option.
5574 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5576 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5577 case of making new double-word constant.
5578 Revert last change: instead just test i3_subst_into_i2.
5580 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5582 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5583 Use q constraints instead of r.
5585 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5587 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5588 (machine_function): Define.
5589 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5590 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5591 pa_free_machine_status): New functions.
5592 (override_options): Set {init,mark,free}_machine_status to above.
5593 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5594 PIC_OFFSET_TABLE_REGNUM_SAVED.
5595 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5596 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5597 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5598 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5599 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5601 2001-01-15 DJ Delorie <dj@redhat.com>
5603 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5607 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5609 * flow.c (propagate_on_insn): Make trying to delete a prologue
5610 or epilogue insn an ICE, not a warning. Allow doing this if
5611 the current function returns with stack pointer depressed.
5613 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5614 I3 having more than one SET.
5616 2001-01-16 Jim Wilson <wilson@redhat.com>
5618 * invoke.texi: Document IA-64 options.
5620 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5621 (fixup_errata): Delete TARGET_A_STEP use.
5622 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5623 (TARGET_SWITCHES): Delete -ma-step option.
5624 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5625 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5626 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5627 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5628 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5629 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5631 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5632 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5633 cmovsi_internal): Delete ! TARGET_A_STEP check.
5635 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5637 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5638 possibility to report bugs via postal mail. Change a URL and
5639 merge in a nearly duplicate statement...
5640 (Bug Reporting): ...from here.
5641 (Service): Refer to the Bug Reporting section instead of
5643 (Contributing): Remove trivial explanations concerning snapshots.
5645 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5647 * cppmain.c (general_init): Don't use ANSI prototype.
5649 2001-01-16 Tom Tromey <tromey@redhat.com>
5651 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5653 2001-01-16 Richard Henderson <rth@redhat.com>
5655 * config/i386/i386.h: Fix comment typo.
5656 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5657 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5659 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5661 * gcc.c: Revert previous -fsyntax-only-related change; move
5664 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5666 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5667 inmode after checking GET_CODE (op).
5669 2001-01-16 Richard Henderson <rth@redhat.com>
5671 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5672 (MAX_MEM_SET_LIST_LEN): New.
5673 (propagate_one_insn): Update mem_set_list_len.
5674 (invalidate_mems_from_autoinc): Likewise.
5675 (invalidate_mems_from_set): Likewise.
5676 (mark_used_regs): Likewise.
5677 (init_propagate_block_info): Likewise. Stop collecting memories
5678 when we reach MAX_MEM_SET_LIST_LEN.
5679 (mark_set_1): Likewise.
5681 2001-01-16 Richard Henderson <rth@redhat.com>
5683 * unroll.c (precondition_loop_p): Fail if no iteration
5686 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5688 * gcc.c: When -fsyntax-only is given, do not complain about
5691 2001-01-15 Richard Henderson <rth@redhat.com>
5693 * config/i386/i386.c (asm_output_function_prefix): Remove.
5694 (ix86_asm_file_end): New.
5695 (load_pic_register): Generate pic_label_name into a
5696 staticly allocated buffer.
5697 * config/i386/i386-protos.h: Update.
5698 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5699 (ASM_FILE_END): New.
5700 * config/i386/i386afe.h: New file.
5701 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5702 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5703 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5704 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5705 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5706 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5707 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5709 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5711 * Makefile.in (install-man): Remove explicit dependency on
5714 * configure.in, configure: Revert previous patch requiring perl
5717 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5719 * toplev.c (flag_guess_branch_prob): New.
5720 (f_options): Add guess-branch-probability option.
5721 (rest_of_decl_compilation): Only estimate branch probability if
5723 (main): set flag_guess_branch_prob.
5725 * flags.h (flag_guess_branch_prob): New.
5727 2001-01-15 DJ Delorie <dj@redhat.com>
5729 * gcc.texi (Makefile): Add documentation for Makefile targets.
5731 2001-01-15 Philip Blundell <philb@gnu.org>
5733 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5735 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5736 (is_pic): Delete declaration.
5737 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5738 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5739 * config/arm/arm.md (builtin_setjmp_receiver): New.
5741 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5743 * arm.c (use_return_insn): Don't try to determine the function type
5744 until after reload has completed.
5745 (arm_output_epilogue): Don't adjust the sp value recovered from the
5747 (emit_multi_reg_push): Don't record dwarf information for the pc.
5748 * arm.md (eh_epilogue): The function type may have changed, so it
5749 needs to be recalculated.
5750 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5751 unwind tables on arm/netbsd.
5753 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5755 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5756 (negated_cbranchsi4): Likewise.
5758 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5760 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5761 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5762 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5763 pass -mapcs-* options to assembler.
5764 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5765 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5766 (ASM_SPEC): Call subtarget_extra_asm_spec.
5768 2001-01-15 Andreas Jaeger <aj@suse.de>
5770 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5772 (ix86_expand_builtin): Likewise.
5774 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5775 warning about comparison between signed and unsigned.
5777 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5779 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5781 2001-01-14 Ralf Baechle <ralf@gnu.org>
5783 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5784 SUBTARGET_CPP_SPEC apropriatly.
5786 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5788 * varasm.c (make_decl_rtl): Fix typo in last change.
5790 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5792 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5793 linker supports the init_priority C++ attribute.
5794 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5795 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5796 linker does not support init_priority C++ attribute.
5798 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5800 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5802 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5804 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5805 * cp/lex.c (finish_parse): Similarly.
5806 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5807 Return the number of errors encountered.
5808 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5809 * cppmain.c (main): Don't call cpp_destroy.
5811 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5813 * configure.in: Require at least perl 5.6.0 to regenerate
5815 * configure: Regenerate.
5817 2001-01-14 Richard Henderson <rth@redhat.com>
5819 * genrecog.c (DT_veclen_ge): New.
5820 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5821 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5822 (nodes_identical_1): Handle DT_veclen_ge.
5823 (write_cond, debug_decision_2): Likewise.
5825 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5827 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5829 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5831 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5833 * cppmain.c (do_preprocessing): New function; most of the old
5835 (main): Call it to do most of the work.
5836 (cb): Move from global scope to set_callbacks ().
5837 (setup_callbacks): Get the callback pointer.
5838 (general_init, printer_init): Clean up code and comments.
5840 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5842 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5845 2001-01-14 Kazu Hirata <kazu@hxi.com>
5847 * config/h8300/h8300.c (get_shift_alg): Update comments.
5849 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5851 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5852 (alloc_page, ggc_alloc): Add casts to remove warnings.
5854 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5856 * combine.c (simplify_comparison): Don't change `code' when
5857 can't reverse comparison.
5859 2001-01-14 Richard Henderson <rth@redhat.com>
5861 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5862 update all call sites. Return true for all non-label constants.
5864 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5866 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5868 (ix86_expand_branch): Update.
5869 (ix86_expand_setcc): Update to handle multiple test conditions.
5870 (expand_int_movcc): Likewise.
5871 (expand_fp_movcc): Likewise.
5872 * i386-protos.h (ix86_expand_compare): New.
5873 * i386.md (andqi_?_slp, orqi_?_slp): New.
5874 (conditional trap expander): Update call to ix86_expand_compare.
5876 2001-01-14 Richard Henderson <rth@redhat.com>
5878 * config/vax/vax.md: Use nonimmediate_operand instead of
5879 general_operand in destinations.
5881 * config/vax/vax.md (indirect_jump): Use register_operand.
5883 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5884 * config/vax/vax.md (call_pop): Turn into an expander.
5885 (call_value_pop): Likewise.
5886 (call, call_value): New.
5888 2001-01-14 Andreas Jaeger <aj@suse.de>
5890 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5892 (ix86_fp_compare_mode): Add unused attribute.
5893 (ix86_expand_fp_movcc): Remove unused variable.
5894 (ix86_expand_builtin): Make fcode unsigned.
5896 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5897 (expand_expr): Add cast to avoid signed warning.
5898 (store_field): Likewise.
5899 (store_constructor_field): Likewise.
5900 (store_constructor): Likewise.
5901 (store_expr): Likewise.
5902 (clear_storage): Likewise.
5903 (emit_group_store): Likewise.
5904 (emit_group_load): Likewise.
5906 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5908 * c-common.c: Move format checking code to ...
5909 * c-format.c: ... here. New file. Reorder some functions and
5911 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5913 * c-common.h (decl_handle_format_attribute,
5914 decl_handle_format_arg_attribute): Declare.
5915 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5916 (c-common.o): Adjust dependencies.
5917 (c-format.o): New list of dependencies.
5919 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5921 * unroll.c (loop_iterations): If we cannot prove iteration variable
5922 is set once in each iteration, punt.
5924 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5926 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5927 (*strlenhi): Remove clobber (which was buggy) of output address.
5929 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5931 * Makefile.in (generated-manpages): Add gcc.1
5932 ($(srcdir)/gcc.1): New target.
5933 (maintainer-clean): Delete $(srcdir)/gcc.1.
5934 * gcc.texi: Add macros @gccoptlist and @gol.
5935 * invoke.texi: Include option summary in manpage. Mark up option
5936 summary with @gccoptlist and @gol. Use @r in one place where
5938 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5939 * gcc.1: Generate from invoke.texi.
5941 2001-01-13 Richard Henderson <rth@redhat.com>
5943 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5944 (struct page_entry): Add group member.
5945 (struct page_group): New.
5946 (struct globals): Add page_groups member.
5947 (alloc_anon): Only define for using mmap; remove valloc call.
5948 (page_group_index): New.
5949 (set_page_group_in_use): New.
5950 (clear_page_group_in_use): New.
5951 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5952 (free_page, release_pages): Likewise.
5953 * configure.in (with-gc): Default to ggc-page always.
5955 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5957 * reload1.c (replace_pseudos_in_call_usage): Use
5958 reg_equiv_constant and reg_equiv_address, and don't try
5959 regno_reg_rtx first.
5961 2001-01-13 Richard Henderson <rth@redhat.com>
5963 * ggc-page.c (alloc_page): Round up allocation size to one page.
5964 Set e->order on extra pages.
5966 2001-01-13 Richard Henderson <rth@redhat.com>
5968 * genrecog.c (nodes_identical): Expand commentary.
5969 (write_switch): Watch out for identical nodes.
5971 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5973 * cppfiles.c (_cpp_fake_include): New function.
5974 * cpphash.h (_cpp_fake_include): New.
5975 * cpplib.c (do_line): Call _cpp_fake_include when entering
5976 header files in preprocessed input.
5977 * cppmain.c (cb_pragma_implementation): Remove handling.
5978 (setup_callbacks): Don't register pragmas.
5980 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5982 * extend.texi: Udate for CPP.
5984 2001-01-13 Andreas Jaeger <aj@suse.de>
5986 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5988 * regmove.c: Add prototype for replace_in_call_usage.
5990 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5992 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5993 struct cpp_chunk, struct htab, struct toklist,
5994 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5995 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5996 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5997 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5998 (struct macro_args): Delete.
5999 * cpphash.h: See above.
6001 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6003 * cppmain.c (struct printer): Remove no_line_dirs.
6005 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6006 : Use options rather than CPP_OPTION.
6007 (setup_callbacks): Use cb rather than pfile->cb.
6008 (main): No need to check for a buffer. Use cpp_errors.
6009 (printer_init): Don't set no_line_dirs.
6010 (maybe_print_line): Use options not no_line_dirs.
6011 (cb_file_change): Don't call print_line if -P.
6013 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6015 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6017 * c-parse.in (finish_parse): Use cpp_errors.
6018 (__yylex): Use return value of cpp_pop_buffer.
6019 * cp/lex.c (finish_parse): Use cpp_errors.
6020 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6022 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6024 * README.AVR: URLs corrected.
6026 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6028 * c-decl.c (start_function): Don't warn if old prototype is builtin
6029 that's not in C's namespace.
6030 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6031 (_bb): Add prototype for ctime.
6032 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6034 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6036 * i386.c (ix86_fp_comparison_arithmetics_cost,
6037 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6038 ix86_fp_comparison_cost): New functions.
6039 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6040 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6041 two-branch sequences; make static.
6042 (ix86_use_fcomi_compare): Do decision according to the costs.
6043 (split_fp_branch): New.
6044 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6045 * i386-protos.h (ix86_expand_fp_compare): Remove
6046 (ix86_split_fp_branch): Declare.
6048 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6049 and ix86_comparison_operator.
6051 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6054 * i386.c (put_condition_code): Output properly the unordered/ordered
6055 compares in fp case.
6056 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6058 * tm.texi (REVERSE_CONDITION): Document.
6059 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6060 in -ffast-math mode.
6061 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6063 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6065 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6067 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6070 * config/sh/sh.c (mova_p): Fix test for mova_const.
6072 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6074 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6075 cpp_get_options rather than dereferencing pfile and using
6077 * scan-decls.c (scan_decls): Use return value of
6078 cpp_pop_buffer rather than CPP_BUFFER.
6080 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6082 * cppinit.c (cpp_handle_option): help_only is now part of the
6083 cpp_options structure.
6084 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6085 cpp_set_callbacks): New functions.
6086 * cpplib.h (cpp_callbacks): Break out as a named structure.
6087 (cpp_options): Move help_only here from cpp_reader.
6088 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6089 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6090 cpp_set_callbacks): New prototypes.
6091 * cppmain.c (main): Update for help_only.
6093 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6095 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6096 Also build and remove and install and uninstall c-tree.info and
6098 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6099 ($(srcdir)/cppinternals.info): New target.
6100 * c-tree.texi: Change file name used when makeinfo used without -o
6101 from ir.info to c-tree.info. Add info directory entry.
6102 * cppinternals.texi: Add info directory entry.
6103 * .cvsignore: Update.
6105 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6107 * c-typeck.c (store_init_value): Don't require constant initializer
6108 elements with -pedantic -std=c99.
6109 (digest_init): Change error about non-constant initializer elements
6111 (constructor_range_end): Remove.
6112 (constructor_incremental, designator_depth,
6113 designator_errorneous): New variables.
6114 (struct constructor_stack): Remove range_end, add incremental.
6115 (struct constructor_range_stack, constructor_range_stack): New.
6116 (struct initializer_stack): Add constructor_range_stack.
6117 (finish_init): Set it.
6118 (start_init): Likewise. require_constant_elements for non-static
6119 trees only if not flag_isoc99.
6120 (really_start_incremental_init): Remove constructor_range_end, add
6121 constructor_incremental.
6122 (pop_init_level): Likewise.
6123 (push_init_level): Likewise. If implicit and the subobject had some
6124 value set already, preinitialize the level with it.
6125 Warn about missing braces only if not pushing due to designators.
6126 (set_designator, push_range_stack): New functions.
6127 (set_init_label): Use them.
6128 (set_init_index): Likewise. Remove constructor_range_end.
6129 Error if designator index is outside of array bounds.
6130 (add_pending_init): Compare values of purpose index trees, not the
6131 trees themselves. Allow overwriting of already initialized element.
6132 Issue a warning if it had side-effects.
6133 (set_nonincremental_init, set_nonincremental_init_from_string): New
6135 (pending_init_member): Rename to...
6136 (find_init_member): ...this function. Call set_nonincremental_init
6137 if necessary. Compare values of purpose index trees, not the trees
6138 themselves. Return the actual value, not just non-zero if something
6140 (output_init_element): Remove checks for duplicates.
6141 If field has zero size, only check the initializer for correctness.
6142 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6143 if constructor_incremental is zero. Change error about initializers
6144 not computable at load time into pedwarn.
6145 (output_pending_init_elements): Compare bit positions, not
6146 FIELD_DECLs to take into account zero-sized fields.
6147 (process_init_element): Use constructor_range_stack to fill all
6148 ranges in the designator lists from current level up.
6149 * extend.texi: Update documentation for labeled elements.
6151 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6153 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6154 to function usage for arguments passed by reference. Optimize
6155 callee-copied arguments.
6156 * regmove.c (replace_in_call_usage): New function.
6157 (fixup_match_1): Call it.
6158 * cse.c (cse_insn): Canonicalize registers in function usage.
6159 * reload1.c (replace_pseudos_in_call_usage): New function.
6162 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6165 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6167 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6170 2001-01-12 DJ Delorie <dj@redhat.com>
6172 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6173 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6176 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6178 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6179 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6180 -std options alongside references to -ansi. Update some
6181 documentation for C99.
6182 * cpp.1: Regenerate.
6184 2001-01-12 Andreas Jaeger <aj@suse.de>
6186 * haifa-sched.c (restore_line_notes): Remove argument block B
6188 * sched-ebb.c (schedule_ebb): Change caller.
6189 * sched-rgn.c (schedule_region): Likewise.
6190 * sched-int.h (restore_line_notes): Adjust prototype.
6192 * loop.h: Remove wrong declaration of doloop_condition_get.
6194 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6196 * extend.texi: Move C++-extension-related node from the C section
6197 into the C++ section.
6199 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6201 * extend.texi: Refer to an array of pointers to functions instead
6202 of one of functions.
6204 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6205 Jan Hubicka <jh@suse.cz>
6207 * combine.c (reversed_comparison): Fix typo in last patch.
6209 (combine_reversed_comparison_code): Make static to follow
6210 prototype declaration.
6212 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6214 * install.texi: Remove misplaced duplicate entry.
6216 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6218 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6220 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6222 * final.c: (leaf_function_p): Fix typo.
6224 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6226 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6227 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6229 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6230 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6231 mmap_anon, and valloc is available.
6232 * ggc-page.c: Restructure ifdef logic to match new autoconf
6233 spec. Don't throw away the test page in init_ggc.
6235 * configure, config.in: Regenerate.
6237 2001-01-12 Michael Hayes <mhayes@redhat.com>
6239 * loop.h (total_biv_increment): Constify iv_class pointer.
6240 (struct induction): Replace `mem_mode' with `mem' rtx.
6241 * unroll.c (total_biv_increment): Constify iv_class pointer.
6242 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6243 (find_mem_givs, combine_givs_p): Likewise.
6244 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6246 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6248 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6250 (__gthread_getspecific): Ditto.
6252 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6254 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6255 put_condition_code): Convert fp comparison codes to integer
6257 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6260 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6261 * i386-protos.h (no_comparison_operator): Kill.
6263 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6265 * combine.c (REVERSIBLE_CC_MODE): Remove.
6266 (reversible_comparison_p): Remove.
6267 (combine_reversed_comparison_code): New.
6268 (reversed_comparison): New.
6269 (combine_simplify_rtx): Use
6270 combine_reversed_comparison_code/reversed_comparison instead
6271 of reversible_comparison_p.
6272 (simplify_if_then_else): Likewise.
6273 (simplify_set): Likewise.
6274 (simplify_logical): Likewise.
6275 (if_then_else_cond): Likewise.
6276 (known_cond): Likewise.
6277 (simplify_comparison): Likewise.
6279 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6281 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6282 sizeof (int) is larger than sizeof(__word__).
6284 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6286 * cppinit.c (do_includes): Fix typo.
6288 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6290 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6291 in S_REGS does not occur because not all sources are possible
6292 when a S_REGS is a destination (sometimes needs a clobber).
6293 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6294 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6295 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6296 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6297 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6298 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6299 (lshrdi_const1, lshrsi3_const16): Likewise.
6300 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6301 (*movhi_68hc12, *movqi_68hc12): Likewise.
6302 (movstrictqi): Make sure reloading in D_REGS as a destination
6305 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6307 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6309 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6311 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6312 -D, -U and -A, and don't initialize the builtins.
6313 (do_includes): Error if -include or -imacros with -fpreprocessed.
6314 * cppmain.c (cb_define, cb_undef): Unconditionally process
6316 * tradcpp.c (main): Fix typo.
6318 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6320 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6321 (read_name_map): Use IS_ABSOLUTE_PATH.
6322 * tradcpp.c (get_filename): Likewise.
6324 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6326 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6327 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6328 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6329 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6330 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6331 (cmphi_z_used): Don't use '@' for the output.
6332 (tstqi_z_used): Likewise.
6333 (cmpqi_z_used): Likewise.
6334 (one_cmplsi2): Likewise.
6336 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6338 * config/sh/sh.c (barrier_align): Recognize branch around far
6339 branch and redundant insn.
6341 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6343 * invoke.texi: Restore documentation of the drivers' switches -MD
6346 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6348 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6350 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6351 check-objc//%): Support parallel testing of multilibs.
6352 (TESTSUITEDIR): Set to testsuite by default, but override for
6354 (check-gcc, check-g++, check-g77, check-objc): Enter
6357 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6359 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6360 * sched-deps.c (deps_may_trap_p): Likewise.
6361 * basic-block.h: Remove a comment.
6362 * flow.c (PROP_POSTRELOAD): Remove.
6363 (update_life_info): Don't add it to prop_flags.
6364 (mark_set_1): Lose the code that was enabled by it.
6366 2001-01-11 Michael Hayes <mhayes@redhat.com>
6368 * flow.c (flow_call_edges_add): New.
6369 * basic_block.h (flow_call_edges_add): New.
6371 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6373 * reload1.c (move2add_note_store): Update reg_set_luid even if
6374 base reg remains the same.
6376 2001-01-10 Nick Clifton <nickc@redhat.com>
6378 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6379 machine_function structure to zero.
6380 Add prototypes for machine_status functions.
6382 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6384 * c-common.h (CTI_VOID_LIST): Remove.
6385 (void_list_node): Likewise.
6386 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6387 (void_list_node): New macro.
6388 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6389 * config/i386/i386.c (ix86_init_builtins): Likewise.
6390 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6392 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6394 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6395 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6397 * tradcpp.c: Include mkdeps.h.
6398 (deps, print_deps_phony_targets, deps_append, output_deps,
6399 init_dependency_output, output_deps): New.
6400 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6401 deps_output): Delete.
6402 (print_deps_missing_files): Rename deps_missing_files.
6403 (inhibit_output): Make global.
6404 (main): Delete inhibit_output, deps_stream, deps_target.
6405 Use mkdeps functionality in the same way as cpplib. Remove
6406 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6407 -M and -MM. Remove old handling of deps via deps_out, and
6408 old reading of environment variables.
6409 (get_filename): Update to use deps_add_dep.
6411 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6413 * output.h (make_function_rtl): Remove prototype.
6414 (make_decl_rtl): Likewise.
6415 * varasm.c (make_function_rtl): Remove.
6416 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6417 than from a third parameter.
6418 * tree.h (make_decl_rtl): Remove last parameter.
6419 * c-decl.c (builtin_function): Remove last argument in call to
6420 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6421 (start_function): Likewise.
6422 * except.c (call_get_eh_context): Likewise.
6423 * expr.c (emit_block_move): Likewise.
6424 (clear_storage): Likewise.
6425 * profile.c (output_func_start_profiler): Likewise.
6426 * toplev.c (rest_of_decl_compilation): Likewise.
6427 * objc/objc-act.c (create_builtin_decl): Likewise.
6428 (synth_module_prologue): Likewise.
6429 (generate_static_reference): Likewise.
6430 (build_selector_reference_decl): Likewise.
6431 (build_class_reference_decl): Likewise.
6432 (build_objc_string_decl): Likewise.
6433 (build_protocol_reference): Likewise.
6435 2001-01-10 Richard Henderson <rth@redhat.com>
6437 * hwint.h: Revert yesterday's change.
6439 2001-01-10 Nick Clifton <nickc@redhat.com>
6441 * function.h (save_machine_status): Delete.
6442 (restore_machine_status): Delete.
6443 Amend comment describing {init|mark|free}_machine_status.
6445 * function.c (save_machine_status): Delete.
6446 (restore_machine_status): Delete.
6447 Amend comment describing {init|mark|free}_machine_status.
6448 (push_function_context_to): Remove invocation of
6449 save_machine_status.
6450 (pop_function_context_from): Remove invocation of
6451 restore_machine_status.
6453 * emit-rtl.c (init_emit_once): Amend comment describing
6454 {init|mark|free}_machine_status.
6456 * tm.texi (Per-Function Data): New node. Describe the
6457 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6460 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6462 * cppinit.c (OPT_g): Remove.
6463 (cpp_handle_option): Update for removed -g3.
6464 (print_help): Update.
6465 * cpplib.h (struct cpp_options): Remove debug_output.
6466 * cppmain.c (setup_callbacks, cb_define): Update.
6467 * gcc.c (cpp_options): Translate -g3 to -dD.
6469 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6471 * config/i960/i960.md: Change modifier to + on the zero_extract
6472 pattern after the (rotate -2 reg) canonicalization pattern.
6474 2001-01-10 Richard Henderson <rth@redhat.com>
6476 * config/alpha/alpha.c (alpha_free_machine_status): New.
6477 (override_options): Install it.
6478 (alpha_mark_machine_status): Verify machine non-null.
6479 * config/i386/i386.c (ix86_free_machine_status): New.
6480 (override_options): Install it.
6481 (ix86_init_machine_status): Use xcalloc.
6482 (ix86_mark_machine_status): Verify machine non-null.
6483 * config/ia64/ia64.c (ia64_free_machine_status): New.
6484 (ia64_override_options): Install it.
6485 (ia64_mark_machine_status): Verify machine non-null.
6487 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6489 * function.c (instantiate_virtual_regs): Instantiate virtual
6490 registers found in CALL_INSN_FUNCTION_USAGE.
6492 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6494 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6495 equivalent to -ansi in disabling -Di386.
6497 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6499 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6501 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6503 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6505 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6507 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6509 * invoke.texi: Document that -fcond-mismatch isn't supported for
6512 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6514 * gcc.texi: Define macro gcctabopt.
6515 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6516 @command, @env and @option in some places where appropriate. Use
6517 @gcctabopt where appropriate. Put URLs and email addresses inside
6520 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6522 * gcc.c (cpp_options): Set MD file name from output
6523 filename, if specified.
6524 (suffix_subst): New static variable.
6525 (do_spec): Clear it.
6526 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6528 (give_switch): Handle suffix_subst.
6530 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6532 * invoke.texi: Fix another typo.
6534 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6536 * invoke.texi: Fix typo.
6538 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6540 * c-lang.c (lang_hooks): Update.
6541 (lang_decode_option): Remove.
6542 (lang_init_options): Rename c_init_options.
6543 * toplev.c (main): Use lang_hooks for lang_init_options
6544 and lang_decode_option.
6545 * toplev.h (lang_hooks): Add 2 new hooks.
6546 * tree.h: Remove lang_init_options and lang_decode_option.
6547 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6548 * cp/decl2.c: Similarly.
6549 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6550 (lang_hooks): Update.
6551 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6553 (lang_init_options): Rename ffe_init_options.
6554 (lang_hooks): Update.
6555 (lang_decode_option): Remove.
6556 * java/lang.c (lang_init_options): Rename java_init_options.
6557 (lang_decode_option): Rename java_decode_option.
6558 (lang_hooks): Update.
6559 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6560 (lang_decode_option): Rename objc_decode_option.
6561 (lang_hooks): Update.
6563 2001-01-09 Nick Clifton <nickc@redhat.com>
6565 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6566 (d30v_return_addr_rtx): Delete.
6567 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6568 cfun->machine structure.
6569 (struct machine_function): Move to d30v.h
6570 (d30v_save_machine_status): Delete.
6571 (d30v_restore_machine_status): Delete.
6572 (d30v_init_machine_status): New Function.
6573 (d30v_mark_machine_status): New Function.
6574 (d30v_free_machine_status): New Function.
6575 (d30v_init_expanders): Use new functions.
6576 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6577 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6578 d30v_return_addr_rtx.
6580 * config/d30v/d30v.h (struct_machine): Move here.
6581 Add eh_epilogue_sp_ofs field.
6583 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6584 field in cfun->machine structure.
6586 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6588 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6589 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6590 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6592 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6594 * objc/lang-options.h: Remove bogus reference to
6597 2001-01-09 Kazu Hirata <kazu@hxi.com>
6599 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6602 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6604 * reload.c (find_reloads_address): Check for eliminable registers
6605 when substituting a constant expression for a pseudo.
6607 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6609 * c-common.c (enum format_type): Add format_type_error.
6610 (decode_format_type): New function.
6611 (decl_attributes): Use it.
6612 (format_kind_info): Adjust comment.
6614 2001-01-09 David O'Brien <obrien@BSDi.com>
6616 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6617 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6619 * config/i386/gnu.h: Don't include required platform specific .h files,
6620 tm.h will do it instead.
6621 * config/i386/i386elf.h: Likewise.
6622 * config/i386/linux.h: Likewise.
6623 * config/i386/moss.h: Likewise.
6624 * config/mips/gnu.h: Likewise.
6626 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6628 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6629 (rs6000-ibm-aix3.[01]*): Likewise.
6630 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6631 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6632 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6633 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6634 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6635 (powerpc-*-eabiaix*): Likewise.
6636 (powerpc-*-eabisim*): Likewise.
6637 (powerpc-*-elf*): Likewise.
6638 (powerpc-*-eabi*): Likewise.
6639 (powerpc-*-rtems*): Likewise.
6640 (powerpc-*-linux*libc1): Likewise.
6641 (powerpc-*-linux*): Likewise.
6642 (powerpc-wrs-vxworks*): Likewise.
6643 (powerpcle-wrs-vxworks*): Likewise.
6644 (powerpcle-*-sysv*): Likewise.
6645 (powerpcle-*-elf*): Likewise.
6646 (powerpcle-*-eabisim*): Likewise.
6647 (powerpcle-*-eabi*): Likewise.
6648 (powerpcle-*-solaris2*): Likewise.
6649 * config/rs6000/aix31.h: Delete includes.
6650 * config/rs6000/aix3newas.h: Likewise.
6651 * config/rs6000/aix41.h: Likewise.
6652 * config/rs6000/aix43.h: Likewise.
6653 * config/rs6000/beos.h: Likewise.
6654 * config/rs6000/rtems.h: Likewise.
6655 * config/rs6000/sysv4.h: Likewise.
6657 2001-01-09 Kazu Hirata <kazu@hxi.com>
6659 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6660 Change an argument mode of machine_mode to shift_mode of
6661 shift_mode. Remove an extra error check.
6662 (emit_a_shift): Adopt to the new calling prototype of
6664 (function_prologue): Fix code for a monitor
6665 function. Support H8/S.
6666 (function_epilogue): Do not output pop for a monitor function.
6668 2001-01-09 Nick Clifton <nickc@redhat.com>
6670 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6671 (setup_incoming_varargs): Use sysv_varargs_p field of the
6672 cfun->machine structure.
6673 (struct machine_function): Move to rs6000.h
6674 (rs6000_save_machine_status): Delete.
6675 (rs6000_restore_machine_status): Delete.
6676 (rs6000_init_machine_status): New Function.
6677 (rs6000_free_machine_status): New Function.
6678 (rs6000_init_expanders): Use new functions.
6680 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6682 (struct machine_function): Move here.
6684 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6685 sysv_varargs_p field of the cfun->machine structure.
6687 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6689 (rs6000_restore_machine_status): Remove prototype.
6691 2001-01-09 Richard Henderson <rth@redhat.com>
6693 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6694 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6695 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6696 (sched_analyze_2, sched_analyze_insn): Likewise.
6697 (sched_analyze, init_deps): Likewise.
6698 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6699 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6700 (compute_block_backward_dependences): Update propagate_deps call.
6702 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6704 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6706 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6708 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6709 (cpp_handle_option): Handle them.
6710 (cpp_post_options): Ensure one of -M or -MM is specified with
6711 any other -M? option.
6712 (init_dependency_output): Suppress output with -MG.
6714 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6717 * invoke.texi: Update.
6719 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6721 * sh.md (reload_outsf): Generate recognizable patterns for
6724 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6726 * c-lang.c (lang_hooks): Update.
6727 (lang_init): Rename c_init.
6728 (lang_finish): Remove.
6729 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6731 * toplev.h (lang_hooks): Add init () and finish ().
6732 * tree.h (lang_init, lang_finish): Remove.
6733 * cp/tree.h (lang_init, lang_finish): Remove.
6734 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6735 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6737 (lang_init, lang_finish): Remove.
6738 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6739 (lang_hooks): Update.
6740 * java/lang.c (lang_init): Rename java_init.
6741 (lang_finish): Remove.
6742 (lang_hooks): Update.
6743 * objc/objc-act.c (lang_init): Rename objc_init.
6744 (lang_finish): Remove.
6745 (lang_hoooks): Update.
6747 20001-01-09 Graham Stott <grahams@redhat.com>
6749 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6750 after `ptr` is initialised.
6752 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6754 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6755 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6756 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6757 stack adjusts, instead of r3.
6759 2001-01-09 Michael Hayes <mhayes@redhat.com>
6761 * flow.c (flow_loop_scan): Break out of ...
6762 (flow_loops_find) ... here.
6763 * basic-block.h (flow_loop_scan): New.
6764 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6765 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6767 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6769 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6771 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6772 realloc()ing macro_buffer.
6774 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6775 if it's wider than long and the target's long is wider than the
6778 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6780 Remove support for using UWIN as a host machine.
6781 * configure.in: Issue an error message.
6782 * configure: Regenerated.
6783 * config.gcc: Remove xm_* UWIN configury.
6784 * config/i386/xm-uwin.h: Remove.
6786 2001-01-08 Nick Clifton <nickc@redhat.com>
6788 * config/v850/v850.c (ra_rtx): Delete.
6789 (v850_save_machine_status): Delete.
6790 (v850_restore_machine_status): Delete.
6791 (v850_init_machine_status): New function.
6792 (v850_mark_machine_status): New function.
6793 (v850_free_machine_status): New function.
6794 (v850_return_addr): Use ra_rtx field in machine structure.
6795 (v850_init_expanders): Use new functions.
6797 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6798 * config/v850/v850.c: Change arguments to v850_output+* functions
6799 to take a const char *, to avoid compile time warning.
6800 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6801 (USER_LABEL_PREFIX): Redefine.
6803 2000-01-08 Jim Wilson <wilson@redhat.com>
6805 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6806 1 to unsigned HOST_WIDE_INT before left shift.
6808 2001-01-08 Nick Clifton <nickc@redhat.com>
6810 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6811 the machine structure has been allocated.
6812 (arm_free_machine_status): New function: Free the machine
6813 specific function structure.
6815 2001-01-08 Richard Henderson <rth@redhat.com>
6817 * jump.c (simplejump_p): Revert last change.
6819 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6821 * cppinit.c (init): Rename init_library.
6822 (cpp_create_reader): Update.
6823 * gcc.c (cpp_options): If -o given, use it as the target of
6826 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6828 * arm.c (arm_arch5e): New variable.
6829 (all_cores): XScale is a 5TE device.
6830 (arm_override_options): Set arm_arch5e.
6831 (arm_init_builtins): __builtin_prefetch is in arch5e.
6832 * arm.h (arm_arch5e): Declare it.
6834 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6836 * arm.md (define_constants): Add defines for UNSPEC and
6837 UNSPEC_VOLATILE insns. Update all users.
6838 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6839 * arm.c (multi_register_push, note_invalid_constants)
6840 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6841 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6842 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6844 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6846 * jump.c (jump_optimize_1): Use reversed_comparison_code
6847 instead of can_reverse_comparison_p.
6848 (jump_back_p): Likewise.
6849 (invert_exp_1): Likewise.
6850 (thread_jumps): Likewise.
6851 * simplify-rtx.c (simplify_unary_operation): Likewise.
6852 (simplify_ternary_operation): Likewise.
6853 * cse.c (find_comparison_args): Convert to use
6854 can_reverse_comparison_p.
6855 (record_jump_equiv): Likewise.
6857 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6859 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6860 (EPILOGUE_USES): Define.
6861 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6862 automatically stack the LR if it isn't live.
6864 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6866 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6869 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6871 * ggc-page.c (max_alignment): New structure.
6872 (MAX_ALIGNMENT): New macro.
6873 (init_ggc): Use it to round up the sizes in the
6874 extra_order_size_table.
6876 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6878 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6881 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6883 * builtins.def (BUILT_IN_FPRINTF): New entry.
6885 * c-common.c (c_expand_builtin_fprintf): New function.
6886 (init_function_format_info): Handle __builtin_fprintf.
6887 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6888 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6890 * c-decl.c (duplicate_decls): Adjust comment.
6892 * extend.texi (fprintf): Document new builtin.
6894 2001-01-07 Richard Henderson <rth@redhat.com>
6896 * jump.c (simplejump_p): Recognize any single_set jump
6899 2001-01-07 Richard Henderson <rth@redhat.com>
6901 * configure.in (slibdir): Accept an --with-slibdir option.
6902 Use "test" not "[" in configure. Default to $(libdir).
6904 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6906 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6907 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6908 (SHLIB_LINK): Create links for the soname.
6909 * config/mips/t-iris6: Likewise.
6910 * config/sparc/t-slibgcc: Likewise.
6911 * config/sparc/t-slibgcc-sld: Likewise.
6913 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6915 * config/i386/i386.c (constant_call_address_operand): Accept
6916 (const (plus (symbol_ref) (const_int))).
6917 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6918 constant_call_address_operand.
6920 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6922 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6923 and LONG_LONG_TYPE_SIZE > 32.
6925 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6927 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6928 the previous change.
6930 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6932 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6934 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6935 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6936 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6939 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6941 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6943 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6945 * c-lang.c (c_post_options): Call cpp_post_options.
6946 * objc/objc-act.c (objc_post_options): Similarly.
6947 * cppmain.c (main): Similarly.
6948 * fix-header.c (read_scan_file): Similarly.
6949 * cppinit.c (cpp_start_read): Move option consistency checks
6950 to cpp_post_options. Don't call init_dependency_output.
6951 If needed, add default target and main file dependency.
6952 (OPT_MD, OPT_MMD): Remove.
6954 (cpp_handle_option): Update for OPT_* changes.
6955 (cpp_post_options): New.
6956 (init_dependency_output): Command line -MF overrides environment
6957 variables. Don't set default target etc. Suppress output
6958 if dependencies are going to stdout.
6959 (print_help): Update.
6960 * cpplib.h (cpp_post_options): New.
6961 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6963 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6965 * jump.c (comparison_dominates_p): Support unordered compares.
6967 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6969 * simplify-rtx.c (simplify_relational_operation): Always simplify
6970 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6973 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6975 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6976 (nonzero_bits): Likewise.
6977 (simplify_comparison): Likewise.
6978 (num_sign_bit_copies): Likewise; return more sane value depending
6979 on STORE_FLAG_VALUE.
6980 (known_cond): Do not assume EQ to be always true for equivalent
6983 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6985 * cse.c (fold_rtx): Handle unordered comparisons.
6987 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6989 * rtlanal.c (set_of_1): New static function.
6990 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6991 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6992 reg_set_last_last_regno): Remove.
6993 (set_of): New global function.
6994 (set_of_data): New structure.
6995 (reg_set_p, reg_set_last): Revamp for set_of.
6996 * rtl.h (set_of): New.
6998 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7000 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7001 * extend.texi: Document _Exit builtin.
7003 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7005 * (initialize, initialize_builtins,
7006 initialize_dependency_output, initialize_standard_includes):
7007 Rename s/initialize/init. Update.
7008 (init_dependency_output): Move to after
7009 cpp_handle_options, the correct location temporally at least.
7010 (opt_comp): Move next to init (), its caller. Fix prototype.
7011 (init): Make "initialized" local scope.
7012 (cpp_create_reader): Always call init ().
7013 (cpp_start_read): Update.
7014 (output_deps): New function, broken out of cpp_finish.
7015 (cpp_finish): Break out output_deps.
7017 2001-01-07 Richard Henderson <rth@redhat.com>
7019 * collect2.c (COFF specific stuff): Revert 12-06 patch
7020 to prototype system functions.
7022 2001-01-07 Michael Hayes <mhayes@redhat.com>
7024 * hard-reg-set.h: Add multiple include guard.
7025 * basic-block.h (struct loop): Add `sink' field.
7026 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7027 (emit_iv_add_mult): Delete.
7028 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7029 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7030 (unroll_loop): Remove end_insert_before argument.
7031 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7032 (maybe_eliminate_biv_1): Likewise.
7033 (emit_iv_add_mult): Delete.
7034 (gen_add_mult, loop_regs_update): New.
7035 (loop_insn_emit_after, loop_insn_emit_before): New.
7036 (loop_insn_sink, loop_insn_sink_or_swim): New.
7037 (emit_iv_add_mult): Delete.
7038 (scan_loop): Set loop->sink.
7039 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7040 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7041 (maybe_eliminate_biv_1): Likewise.
7042 (maybe_eliminate_biv_1): Add basic block argument.
7043 * unroll.c (unroll_loop): Remove end_insert_before argument.
7044 (find_splittable_regs): Likewise.
7045 (find_splittable_regs): Use loop_insn_sink and its ilk.
7046 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7048 2001-01-07 Michael Hayes <mhayes@redhat.com>
7050 * loop.h (loop_insn_hoist): New prototype.
7051 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7052 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7053 (check_dbra_loop, load_mems): Likewise.
7054 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7055 (find_splittable_givs): Likewise.
7057 2001-01-07 Michael Hayes <mhayes@redhat.com>
7059 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7061 2001-01-07 Richard Henderson <rth@redhat.com>
7063 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7065 2001-01-07 Richard Henderson <rth@redhat.com>
7067 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7068 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7069 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7070 variant that handles a shared libgcc.
7071 (process_command): Always validate -{static,shared}-libgcc.
7072 (do_spec_1): New 'M' case.
7073 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7075 2001-01-07 Richard Henderson <rth@redhat.com>
7077 * Makefile.in (slibdir): New variable.
7078 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7079 (installdirs): Create slibdir.
7080 (install-libgcc, install-multilib): Defer to libgcc.mk.
7081 * configure.in (slibdir): Substitute.
7082 * mklibgcc.in (install): New target.
7084 * config/t-linux (SHLIB_LINK): Create links for the soname.
7085 (SHLIB_INSTALL): New.
7086 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7087 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7088 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7089 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7090 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7092 2001-01-07 Richard Henderson <rth@redhat.com>
7094 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7095 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7096 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7098 2001-01-07 Michael Hayes <mhayes@redhat.com>
7100 * loop.c (count_loop_regs_set): Delete.
7101 (load_mems_and_recount_loop_regs_set): Delete.
7102 (loop_regs_scan): Merge common code from count_loop_regs_set,
7103 scan_loop, and load_mems_and_recount_loop_regs_set.
7104 (scan_loop): Call load_mems directly and loop_regs_scan
7105 again if new registers created.
7107 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7109 * toplev.c (main): Call the front-end specific post_options
7110 hook if one is given.
7111 * toplev.h (struct_lang_hooks, lang_hooks): New.
7112 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7113 for the C front end.
7114 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7115 lang_hooks for the C++ front end.
7116 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7117 lang_hooks for the ObjC front end.
7118 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7119 * java/lang.c (lang_hooks): Hooks for the Java front end.
7121 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7123 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7124 for verbose DWARF[2] debugging.
7125 (cb_define, cb_undef): The new callbacks.
7126 * toplev.h (debug_define, debug_undef): Make const correct.
7127 * toplev.c (debug_define, debug_undef): Similarly. Do not
7128 perform the verbosity tests here anymore.
7130 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7132 * reload.c (subst_reloads): Take INSN argument. When
7133 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7134 * reload.h (subst_reloads): Adjust prototype.
7135 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7136 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7137 present in JUMP_INSNs and copy them to JUMP_LABEL.
7138 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7139 JUMP_INSNs and insns with REG_LABELs that are followed by
7140 JUMP_INSNs with the same REG_LABEL.
7141 * sched-rgn.c (is_cfg_nonregular): Likewise.
7142 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7144 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7146 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7148 2001-01-06 Richard Henderson <rth@redhat.com>
7150 * loop.c (scan_loop): Use xcalloc for the regs array.
7151 (load_mems_and_recount_loop_regs_set): Zero the new memory
7152 received from xrealloc.
7154 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7156 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7158 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7160 * integrate.c (copy_rtx_and_substitute): When copying
7161 an ignored return value, strip REG_FUNCTION_VALUE_P.
7163 2001-01-06 Michael Hayes <mhayes@redhat.com>
7165 * loop.c (debug_biv, debug_giv): New.
7166 (loop_biv_dump): Break out from ...
7167 (record_biv): ... here.
7168 (loop_giv_dump): Break out from ...
7169 (record_giv): ... here.
7170 (loop_bivs_check): Use print_simple_rtl.
7171 * unroll.c (loop_iterations): Use print_simple_rtl.
7173 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7175 * pa.md (return, return_internal): Modify patterns to prevent regrename
7176 mucking with the return pointer.
7178 2001-01-05 Richard Henderson <rth@redhat.com>
7180 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7182 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7184 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7185 version supplied by Matteo Frigo.
7187 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7189 * cpp.texi: Update for -MQ.
7190 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7191 (cpp_cleanup): Always free pfile->deps.
7192 (initialize_dependency_output): Don't create pfile->deps.
7193 (cpp_handle_option): Similarly.
7195 * gcc.c (cpp_options): Handle -MQ.
7196 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7197 * mkdeps.c (base_name): Remove.
7198 (deps_init): Don't allocate vector space until it's needed.
7199 (deps_free): Only free vectors if allocated.
7200 (deps_add_target, deps_add_dep): Update for initial allocation.
7201 (deps_add_default_target): Don't strip to the base_name.
7203 2001-01-05 DJ Delorie <dj@redhat.com>
7205 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7206 (INIT_EXPANDERS): Define.
7208 * config/v850/v850.c (struct machine_function): Define.
7209 (v850_save_machine_status): New function.
7210 (v850_restore_machine_status): New function.
7211 (v850_return_addr): New function.
7212 (v850_init_expanders): New function.
7214 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7215 and v850_init_expanders.
7217 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7219 * cpplib.h (struct cpp_reader): Add help_only field.
7220 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7221 (cpp_handle_option): Set pfile->help_only if we see -h,
7222 --help, -target-help, or --version. Print version string but
7223 do not set help_only if we see -v or -version. Make text
7224 printed by -v match that printed by (-)-version.
7226 * cppmain.c (main): Exit after option parsing if
7227 pfile->help_only is true.
7229 * toplev.c (independent_decode_option): Call print_version,
7230 then exit, if we see --version (but not -version).
7231 (print_version): Split lengthy message into two lines.
7233 2001-01-05 Nick Clifton <nickc@redhat.com>
7235 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7236 temporary string for initialisation before calling ggc_alloc_string.
7238 2001-01-06 Michael Hayes <mhayes@redhat.com>
7240 * rtl.h (print_simple_rtl): New.
7241 * print-rtl.c (print_simple_rtl): New.
7243 (print_rtx): Disable printing of flags and modes, etc.,
7244 if `flag_simple` nonzero.
7246 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7248 * function.c (fixup_var_refs): Use push_to_full_sequence where
7251 2001-01-05 Michael Meissner <meissner@redhat.com>
7253 * flags.h (flag_reorder_blocks): Add declaration.
7254 (flag_rename_block): Ditto.
7256 2001-01-05 DJ Delorie <dj@redhat.com>
7258 * function.c (reorder_blocks): Make sure the flags are all reset
7259 before using them to mark blocks, else a second invocation will
7260 corrupt the block chain.
7261 (reorder_blocks_0): New, resets the flags.
7263 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7265 * cse.c (find_comparison_args): Stop if the argument is known to
7268 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7270 * config/sh/sh.md (movdf): When splitting load into pair of
7271 registers, don't clobber the register used in the address too
7274 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7276 * varasm.c (mark_constant_pool): Improve initial comments.
7277 (mark_constants): Move marking of constants to mark_constant.
7278 (mark_constant): New function to recursively mark all constants
7279 referred to by a constant.
7281 2001-01-05 Catherine Moore <clm@redhat.com>
7283 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7285 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7287 * cp/lang-options.h: Bring comment in line with reality.
7288 * f/lang-options.h: Likewise.
7289 * java/lang-options.h: Likewise.
7290 * objc/lang-options.h: Likewise.
7291 * ch/lang-options.h: Likewise.
7292 * f/g77.texi: And update the manual.
7294 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7295 Denis Chertykov <denisc@overta.ru>
7297 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7298 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7299 * config/avr/avr.md (all peepholes that request a scratch register):
7300 Call it, FAIL the peephole if not safe (in interrupt functions).
7302 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7304 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7306 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7308 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7310 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7311 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7312 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7313 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7314 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7316 * extend.texi: Document these builtins.
7318 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7320 * c-common.c (lang_get_alias_set): Say we know nothing of
7321 VECTOR_TYPE aliasing.
7323 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7325 2001-01-05 Bruce Korb <bkorb@gnu.org>
7327 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7328 their x* equivalent versions for atexit-less systems
7329 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7330 systems (or any other system any more).
7332 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7334 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7335 output operands. Use arm_hard_register_operand for operand 4.
7336 (stmsi_postinc): Similarly.
7337 (ldmsi): Use arm_hard_register_operand for opernand 2.
7339 * arm.c (arm_hard_register_operand): New function.
7340 * arm-protos.h (arm_hard_register_operand): Prototype it.
7342 * arm.h (HARD_REGNO_RENAME_OK): Define.
7344 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7346 * simplify-rtx.c (cfc_args): add "unordered" field.
7347 (check_fold_consts): Set unordered field.
7348 (simplify_relational_operation): Simplify the unordered
7351 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7354 * emit-rtl.c (try_split): Fix code to mark labels.
7355 * jump.c (mark_jump_label): Make global.
7356 * rtl.h (mark_jump_label): Declare.
7358 * predict.c (estimate_probability): Handle unordred comparisons.
7360 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7362 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7363 * cppinit.c (initialize_dependency_output): Update.
7364 (cpp_finish): Output dummy targets for -MP.
7366 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7367 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7368 * gcc.c (cpp_options): Update to handle -MP.
7369 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7370 to quote only the default target.
7371 (deps_phony_targets): Insert a preceding newline. Rename from
7372 deps_dummy_targets for consistency.
7375 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7377 * calls.c (emit_library_call_value_1): Support
7378 INIT_CUMULATIVE_LIBCALL_ARGS.
7379 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7381 2001-01-04 Richard Henderson <rth@redhat.com>
7383 * c-decl.c (finish_struct): Detect flexible array members
7384 used in an inappropriate context.
7385 * c-typeck.c (really_start_incremental_init): Special case
7386 constructor_max_index for zero length arrays.
7387 (pop_init_level): Allow initialization of flexible array
7388 members. Deprecate initialization of zero length arrays.
7389 Don't issue missing initializer warning for flexible array
7390 members or zero length arrays.
7391 (process_init_element): Don't dereference null DECL_SIZE.
7392 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7393 Don't abort for empty constructors. Use size_binop
7394 (output_constructor): Add commentary regarding zero length
7395 array futures. Abort if we try to initialize an array of
7396 unspecified length with a non-empty constructor in the middle
7399 * extend.texi (Zero Length): Update and clarify documentation
7400 on static initialization.
7402 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7404 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7405 with more than 32767 words of local storage.
7407 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7409 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7410 for 'abs', 'labs', and 'fabs'.
7411 (c4x_expand_builtin): Likewise.
7412 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7414 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7416 * config/sh/sh.md (prget, prset): New insn types.
7417 (return delay slot): Dont' allow prset.
7418 (call, sfunc delay slot): Don't allow prget.
7419 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7420 for prset and prget.
7422 2001-01-05 Michael Hayes <mhayes@redhat.com>
7424 * loop.h (struct loop_reg): New.
7425 (struct loop_regs): Change to use array of `struct loop_reg'.
7426 * loop.c: Replace assortment of varrays with single regs array.
7427 (count_one_set): Delete may_not_move array argument
7428 and use regs array instead. All caller's changed.
7429 (count_loop_regs_set): Delete may_not_move and single_usage
7430 arguments and use regs array instead. All caller's changed.
7431 (find_single_use_in_loop): Replace usage array argument with pointer
7432 to regs structure. All caller's changed.
7433 (loop_optimize): Delete `moved_once' array.
7435 2001-01-05 Michael Hayes <mhayes@redhat.com>
7437 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7438 Use it instead of loop_info->has_call for scanning loop mems.
7439 (check_dbra_loop): Replace loop_info->has_call test with
7440 loop_info->has_nonconst_call.
7442 2000-01-04 Matthew Hiller <hiller@redhat.com>
7444 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7447 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7449 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7450 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7452 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7454 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7455 (flag_short_double, flag_short_wchar): Define.
7456 (c_common_nodes_and_builtins): Create many tree nodes shared
7457 between C and C++ here instead of in cp/decl.c and ...
7458 * c-decl.c (init_decl_processing): ... here.
7459 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7460 (flag_short_double, flag_short_wchar): Don't define.
7461 (record_builtin_type): New function.
7462 (build_void_list_node): New function.
7463 * c-common.h (flag_short_double, flag_short_wchar,
7464 record_builtin_type, build_void_list_node): Declare.
7466 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7468 * integrate.c (expand_inline_function): Don't put a virtual
7469 register into the reg map.
7471 * function.c (fixup_var_refs_1): If force_operand didn't put
7472 the address into the target, move it there.
7474 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7476 Special-case tree_decl/tree_list allocations.
7477 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7478 (OBJECT_SIZE): New macro.
7479 (NUM_EXTRA_ORDER): Likewise.
7480 (extra_order_size_table): New variable.
7481 (NUM_ORDERS): New macro.
7482 (objects_per_page_table): New variable.
7483 (object_size_table): New variable.
7484 (G.pages): Use NUM_ORDERS to bound the array.
7485 (G.page_tails): Likewise.
7486 (DIV_ROUND_UP): Remove.
7487 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7488 (alloc_page): Use OBJECT_SIZE.
7489 (size_lookup): Don't make it const.
7490 (ggc_alloc): Use OBJECT_SIZE.
7491 (ggc_set_mark): Likewise.
7492 (ggc_get_size): Likewise.
7493 (init_ggc): Set up the object_size_table, objects_per_page_table,
7494 and adjust size_lookup.
7495 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7496 (ggc_pop_context): Use NUM_ORDERS.
7497 (clear_marks): Likewise.
7498 (sweep_pages): Likewise.
7499 (poison_pages): Likewise.
7500 (ggc_print_statistics): Use OBJECT_SIZE.
7502 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7504 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7505 Only call array_size_for_constructor if last field and array type
7506 with no upper bound.
7508 2001-01-04 Philip Blundell <philb@gnu.org>
7510 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7511 from bit 31 downwards, if this requires no more insns.
7512 (count_insns_for_constant): New helper function for above.
7514 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7516 * gencodes.c (output_predicate_decls): Remove empty initializer.
7518 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7520 * tree.c (copy_node): Remove documentation about obstacks.
7521 (buidl1): Check that nobody tries to build 2-argument nodes this
7524 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7526 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7529 * gencodes.c (output_predicate_decls): Fill empty initializer
7532 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7534 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7535 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7537 (do_include): Handle missing headers like cpp0.
7538 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7539 paths with first include pathname. Don't strcat to uninitialized
7542 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7544 * regrename.c (regrename_optimize): Don't rename from frame pointer
7545 if frame_pointer_needed.
7546 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7547 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7548 (ia64_reorg): Use it instead of scheduling if ! optimize.
7549 (errata_emit_nops): Properly call asm_noperands.
7550 (ia64_sched_reorder): Finish cycle if we see an asm.
7551 (ia64_variable_issue): Clear scheduling state after asms.
7553 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7555 * cpp.texi: Update for -MT.
7556 * cppinit.c (initialize_dependency_output): Add a default
7557 target if none has been given already.
7558 (no_tgt, OPT_MT): New.
7559 (cpp_handle_option): Handle -MT. Update -M etc.
7560 * cpplib.h (struct cpp_options): Remove deps_target.
7561 * gcc.c (cpp_options): Handle -MT.
7562 * mkdeps.c (struct deps): Move from mkdeps.h.
7563 (deps_calc_target): Rename deps_add_default_target. Add a
7564 default target if none has been specified already.
7565 * mkdeps.h (struct deps): Move to mkdeps.c.
7566 (deps_calc_target): Rename deps_add_default_target.
7568 2000-01-03 Richard Henderson <rth@redhat.com>
7570 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7572 * c-typeck.c (push_init_level): Move checks for flexible array
7573 members and zero length arrays ...
7574 (pop_init_level): ... here. Silently discard empty initializations.
7576 * varasm.c (output_constructor): Update for sizeof change to
7579 * extend.texi (Zero Length): Clarify semantics.
7581 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7583 * configure.in (tm.h): Include isns-codes.h last.
7584 * configure: Rebuilt.
7586 2001-01-03 Richard Henderson <rth@redhat.com>
7588 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7589 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7591 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7593 * tradcpp.c (main): Make sure finclude() is called with a valid
7594 indepth value while handling -include.
7596 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7598 * gencodes.c (output_predicate_decls): New function.
7600 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7601 even if it is not the first time machmode.h is #included.
7602 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7603 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7604 * gcc.texi (Copyright): Added 2001.
7606 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7608 * c-common.c (c_common_lang_init): New function. Warn if format
7609 warning options which only have effects when used with -Wformat
7610 are used without -Wformat.
7611 * c-common.h (c_common_lang_init): Declare.
7612 * c-lang.c (lang_init): Call c_common_lang_init.
7613 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7615 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7617 * configure.in: Check for the mktemp command.
7618 * configure: Regenerate.
7619 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7620 $TEMP. Create temporary files with mktemp, if available at
7621 configure time; otherwise use set -C. Remove temporary files
7624 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7626 * configure.in: Require at least texinfo 4.0. Check for whether
7627 Pod::Man is sufficiently recent to regenerate GCC manpages.
7628 * configure: Regenerate.
7629 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7631 (GENERATED_MANPAGES): Define.
7632 (generated-manpages): New target. Depend on cpp.1 as well as
7634 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7635 configure to generated-manpages or empty) rather than on the
7636 manpages directly. Remove execute permission from installed
7637 gcov.1 as well as cpp.1.
7638 * cpp.1, gcov.1: Regenerate.
7640 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7642 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7643 tree_low_cst. Allow using cmpstrsi in more cases.
7645 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7647 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7650 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7652 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7653 * Makefile.in (HOST_CFLAGS): Mention build-make.
7655 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7657 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7660 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7662 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7665 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7668 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7669 reg_base_value and reg_known_value arrays.
7670 (init_alias_analysis): Add more cases to detect known values.
7671 * sched-deps.c (deps_may_trap_p): New function.
7672 (sched_analyze_2): Use it.
7674 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7676 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7677 don't discard an ASHIFTRT if we're shifting in a wider mode.
7679 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7681 * toplev.c (rest_of_compilation): Don't print basic block information
7682 when CFG isn't up to date.
7684 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7686 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7687 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7688 (UNALIGNED_SHORT_ASM_OP): Define.
7689 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7691 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7693 * fold-const.c (fold_convert): Fix typo.
7695 2001-01-02 Richard Henderson <rth@redhat.com>
7697 * c-common.h (ASM_INPUT_P): New.
7698 * c-parse.in (asm): Set it when needed.
7699 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7700 existance of an operand.
7702 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7704 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7705 (dwarf2out_frame_debug_expr): Likewise.
7706 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7708 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7710 * i386.c (ix86_split_to_parts): Return number of part required;
7712 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7714 (ix86_split_long_move): Use number of part returned
7715 by ix86_split_to_parts
7716 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7718 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7719 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7720 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7721 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7722 (ALIGN_MODE_128): Add TFmode.
7723 (IS_STACK_MODE): Likewise.
7724 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7725 (HARD_REGNO_OK): Support TFmodes.
7726 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7727 * i386.md (scheduler definitions): Use memory operand to determine
7728 fst/fld instructions; use mode attribute to determine real mode of
7730 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7731 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7733 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7735 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7737 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7739 * expr.c (store_constructor_field): Update ALIGN before calling
7742 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7744 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7747 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7749 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7752 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7754 * c-decl.c (start_function): Don't warn on third parameter to main.
7756 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7758 * tsystem.h: Define HAVE_DECL_GETOPT.
7760 2001-01-02 Philip Blundell <pb@futuretv.com>
7762 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7765 2001-01-02 Richard Henderson <rth@redhat.com>
7767 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7769 2001-01-02 Andreas Jaeger <aj@suse.de>
7771 * c-decl.c (c_decode_option): Remove support of
7774 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7775 (W_options): Add -Wmissing-noreturn here.
7777 * flow.c: Define lang_missing_noreturn_ok_p.
7778 (check_function_return_warnings): Use it.
7780 * c-common.h: Declare lang_missing_noreturn_ok_p.
7782 * c-lang.c (c_missing_noreturn_ok_p): New function.
7783 (lang_init): Set lang_missing_noreturn_ok_p.
7785 * invoke.texi (Warning Options): Document this.
7787 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7789 * extend.texi (C++ Extensions): New node for C++ attributes;
7790 describe init_priority and com_interface.
7791 * invoke.texi: Remove -finit-priority as it now has zero effect.
7792 * install.texi: Fix xref syntax.
7793 * md.texi: Likewise.
7795 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7797 * config.gcc (sparc64-wrs-vxworks*): New case.
7798 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7800 * config/sparc/sparc.c (sparc_override_options): Do support different
7801 pointer and architecture size.
7802 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7803 (POINTERS_EXTEND_UNSIGNED): Define.
7804 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7805 (FUNCTION_MODE): Define to be Pmode.
7806 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7808 * function.c (expand_function_end): Properly handle DECL_RESULT
7809 and copy when ptr_mode != Pmode.
7810 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7812 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7814 * c-common.c (c_common_nodes_and_builtins): Set prototype
7815 parameters for __builtin_fputs, __builtin_fputc and
7816 __builtin_fwrite. Don't declare plain fputc as a builtin.
7818 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7820 * loop.c (add_label_notes): Increment the label usage count when
7821 a note is added to an insn which refers to a CODE_LABEL.
7822 * gcse.c (add_label_notes): Likewise.
7824 2001-01-01 Andreas Jaeger <aj@suse.de>
7826 * loop.c (scan_loop): Use xmalloc to allocate movables.
7828 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7830 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7831 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7832 * reload1.c (REGISTER_MOVE_COST): Likewise.
7833 * regclass.c (REGISTER_MOVE_COST): Likewise.
7834 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7835 dimension. Adjust all users.
7836 (init_reg_sets_1): Iterate on all modes.
7837 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7838 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7839 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7840 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7841 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7842 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7843 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7844 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7845 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7846 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7847 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7848 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7849 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7850 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7851 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7852 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7853 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7854 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7855 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7856 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7857 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7858 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7859 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7860 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7861 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7862 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7863 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7865 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7867 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7868 arg VARIES_P. Call it with extra arg.
7869 (true_dependence): Likewise.
7870 * rtl.h (rtx_addr_can_trap_p): Declare.
7871 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7873 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7874 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7875 pic offset table register if it's zero. All callers changed.
7876 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7878 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7880 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7881 STRING_POOL_ADDRESS_P.
7883 * config/sparc/sparc.c (input_operand): Properly test for short op.
7885 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7886 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7887 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7888 * config/sparc/elf.h: No longer include sol2.h.
7889 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7890 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7892 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7894 2001-01-01 Michael Hayes <mhayes@redhat.com>
7896 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7897 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7898 (record_initial): Likewise.
7899 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7900 (remap_split_bivs): Likewise.
7902 2001-01-01 Michael Hayes <mhayes@redhat.com>
7904 * loop.c (loop_ivs_free): New function.
7905 (strength_reduce): Break out from...
7907 2001-01-01 Michael Hayes <mhayes@redhat.com>
7909 * loop.h (struct iv): New.
7910 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7911 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7912 'reg_biv_class' fields with 'regs' and 'n_regs'.
7913 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7914 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7915 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7917 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7919 * resource.c (mark_referenced_resources): Abort() before
7920 attempting to mark a pseudo register.
7921 (mark_set_resources): Likewise.
7923 2001-01-01 Michael Hayes <mhayes@redhat.com>
7925 * loop.h (REG_IV_CLASS): New accessor macro.
7926 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7927 * unroll.c (REG_IV_CLASS): Likewise.
7929 See ChangeLog.4 for earlier changes.