1 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3 * config.gcc: Set default for xmake_file at top, not bottom.
4 Change places that set xmake_file to "none" to set to the
5 empty string instead, or remove them entirely if there is no
6 default xmake_file for this cpu_type. Remove references to
9 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
10 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
11 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
12 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
13 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
14 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
15 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
16 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
17 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
18 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
21 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
22 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
23 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
24 config/mips/x-sysv, config/rs6000/x-aix31:
25 Just set CLIB to -lld or -lmld, as appropriate.
27 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
28 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
29 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
30 config/mips/x-iris, config/pa/x-pa:
31 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
32 OTHER_FIXINCLUDES_DIRS.
34 * config/i386/x-djgpp: Don't set LN or LN_S.
35 * config/m88k/x-dolph: Don't define __m88k__.
36 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
37 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
38 * config/i860/fx2800.h: No need to #undef SVR4.
40 38 x-host fragments remain, 2 x-cpu.
42 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
44 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
46 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
48 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
50 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
52 * configure.in: Add check for lstat.
53 * configure, config.in: Regenerate.
54 * cppinit.c (append_include_chain): Make empty path ".".
55 * cpplib.c (do_line): Don't simplify #line paths.
56 * cppfiles.c (remove_component_p): New function.
57 (find_or_create_entry): Acknowledge stat () errors during
59 (handle_missing_header): Don't simplify paths.
60 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
61 the empty path untouched. Don't leave a trailing '/'.
63 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
65 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
66 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
68 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
70 * cppfiles.c (open_file): Fail directories silently, but
71 with an errno of NOENT set.
72 (read_include_file): Move the common exit code to the sole
73 caller. Return an int indicating success or failure. Let
74 open_file handle directories.
75 (stack_include_file): If read_include_file fails,
78 2001-04-05 DJ Delorie <dj@redhat.com>
80 * function.h (virtuals_instantiated): Declare.
81 * function.c: (virtuals_instantiated): Make global.
82 * calls.c (emit_library_call_value_1): Use
83 virtual_outgoing_args_rtx only if it hasn't been instantiated.
84 Otherwise, use the stack pointer directly.
86 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
88 * i386.c (x86_initialize_trampoline): New global function.
89 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
90 (INITIALIZE_TRAMPOLINE): Move offline.
91 * i386-protos.h (x86_initialize_trampoline): Declare.
93 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
95 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
96 (lea_0): Rename to lea_1.
97 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
98 (lea_general_?): Allow SImodes on TARGET_64BIT
99 (lea_general_?_zext): New patterns.
100 (call_1, call_1_rex64): Fix.
102 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
104 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
106 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
108 * i386.c (function_arg): Return constm1_rtx for last argument.
109 (ix86_expand_prologue): Update gen_call calls.
110 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
111 * i386.md (call_pop): Likewise.
112 (call): Second operand is VOIDmode.
113 (call_0): Likewise; Support 64bits.
114 (call_exp): New expander.
115 (call_1): Get to the sync.
116 (call_1_exp): New pattern.
117 (call_value): Support 64bit.
118 (call_value_exp): New pattern.
119 (untyped_call): Update gen_call call.
120 (call_value_pop): Disable for 64bit.
121 (call_value_0_rex64): New pattern.
122 (call_value_1_rex64): Likewise.
124 2001-04-05 Bo Thorsen <bo@suse.de>
126 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
128 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
130 * i386.md (*andsi_1+3): If used after reload, make sure the operand
131 satisfies ANY_QI_REG_P.
133 2001-04-05 Bernd Schmidt <bernds@redhat.com>
135 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
138 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
141 2001-04-04 Zack Weinberg <zackw@stanford.edu>
143 * config.gcc: Remove default for xm_file. Clean up local
144 machine type handling. Remove settings of xm_file to
145 something that doesn't exist. In the big switch, set xm_file,
146 don't append to it (the value before the big switch is always
147 null). Don't force build_xm_file or host_xm_file to have a value.
148 * configure.in: Remove default for xm_file. Do not special
149 case $cpu/xm-$cpu.h not existing.
150 * configure: Regenerate.
152 2001-04-04 Diego Novillo <dnovillo@redhat.com>
154 * simplify-rtx.c (simplify_binary_operation): Check for overflow
155 when folding integer division and modulo operations.
157 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
159 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
160 instead of DWARF2_ADDR_SIZE for EH addresses.
161 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
164 2001-04-04 Richard Henderson <rth@redhat.com>
166 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
167 * config/ia64/t-glibc (LIB2ADDEH): Disable.
168 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
170 2001-04-04 Richard Henderson <rth@redhat.com>
172 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
173 * configure: Rebuilt.
175 2001-04-04 Jakub Jelinek <jakub@redhat.com>
177 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
178 push insns to delete to it instead of deleting them.
179 (delete_null_pointer_checks): Delete insns from delete_list after
180 all delete_null_pointer_checks_1 passes are done.
182 2001-04-04 Richard Henderson <rth@redhat.com>
184 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
185 * configure: Rebuilt.
187 2001-04-04 Zack Weinberg <zackw@stanford.edu>
189 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
190 * config/romp/xm-romp.h: Delete.
192 2001-04-04 Bernd Schmidt <bernds@redhat.com>
194 * sched-deps.c (sched_analyze_insn): Partially revert March 27
197 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
199 * emit-rtl.c (mark_label_nuses) Increment the label uses for
200 all labels present in rtx.
201 (try_split) Call new function for all split insns.
203 2001-04-04 Jakub Jelinek <jakub@redhat.com>
205 * recog.c (validate_replace_rtx_1): Instead of aborting just make
206 sure the change won't be validated.
208 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
210 * rtl.h (set_noop_p): Declare.
211 * flow.c (set_noop_p): Move from here ...
212 * rtlanal.c (set_noop_p): ... to here and enhance.
213 * cse.c (delete_trivially_dead_insns): Use it.
214 * gcse.c (hash_scan_set): Likewise.
215 * jump.c (delete_noop_moves): Likewise.
216 * recog.c (split_all_insns): Likewise.
218 2001-04-04 Alan Modra <alan@linuxcare.com.au>
220 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
221 stack pointer via a LO_SUM. Ditto for setting a temp register
222 used to save to the stack. Set cfa_temp when setting fp, and
223 allow matches to cfa_temp in addition to cfa_store when saving
224 regs. Handle POST_INC and LO_SUM register stores. Document the
225 changes and errors in rule 12 doco.
227 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
228 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
229 (load_reg): Move closer to epilogue code.
230 (DO_FRAME_NOTES): Define to control the following..
231 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
232 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
234 (hppa_expand_epilogue): Likewise.
236 2001-04-03 Richard Henderson <rth@redhat.com>
238 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
239 * configure: Rebuild.
241 2001-04-03 Richard Henderson <rth@redhat.com>
243 * rtl.h (LCT_THROW): New.
244 * calls.c (emit_library_call_value_1): Handle it.
245 * except.c (connect_post_landing_pads): Use it.
247 2001-04-03 Zack Weinberg <zackw@stanford.edu>
249 * gansidecl.h: Delete file.
250 * configure.in: Change all refs to gansidecl.h to use
251 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
253 * configure: Regenerate.
255 * Makefile.in (intl.o): Don't depend on gansidecl.h.
256 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
257 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
258 Don't include gansidecl.h.
259 * intl.c, main.c, version.c, fixinc/fixlib.h,
260 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
263 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
265 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
268 2001-04-03 Zack Weinberg <zackw@stanford.edu>
270 * config/i386/xm-beos.h, config/i386/xm-isc.h,
271 config/i386/xm-next.h, config/i386/xm-sco.h,
272 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
273 config/m88k/xm-m88k.h: Delete.
275 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
276 * config/romp/xm-romp.h: Don't define bcopy.
277 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
278 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
280 * config.gcc: Remove references to deleted files.
282 14 xm-host.h remain, 1 xm-cpu.h.
284 2001-04-03 Jakub Jelinek <jakub@redhat.com>
285 David S. Miller <davem@pierdol.cobaltmicro.com>
286 Andrew MacLeod <amacleod@redhat.com>
288 Use byte offsets in SUBREGs instead of words.
290 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
291 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
292 to pass new argument.
293 (add_stored_regs): Use subreg_regno_offset function.
294 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
296 (precompute_arguments): Use gen_lowpart_SUBREG.
297 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
298 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
299 (simplify_set): Rework to use SUBREG_BYTE.
300 (expand_field_assignment): Use SUBREG_BYTE.
301 (make_extraction): Use SUBREG_BYTE.
302 (if_then_else_cond): Use SUBREG_BYTE.
303 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
304 (gen_lowpart_for_combine): Compute full byte offset.
305 * cse.c (mention_regs): Use SUBREG_BYTE.
306 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
307 (canon_hash): Use SUBREG_BYTE.
308 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
309 (gen_lowpart_if_possible): Formatting.
310 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
312 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
313 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
314 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
315 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
316 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
317 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
318 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
319 certain invariants about SUBREGs the compiler creates.
320 (gen_lowpart_SUBREG): New function.
321 (subreg_hard_regno): New function to get the final register number.
322 (gen_lowpart_common): Use SUBREG_BYTE.
323 (gen_imagpart): Spacing nits.
324 (subreg_realpart_p): Use SUBREG_BYTE.
325 (gen_highpart): Use SUBREG_BYTE.
326 (subreg_lowpart_p): Always compute endian corrected goal offset,
327 even at the byte level, then compare against that.
328 (constant_subword): New function, pulled out all constant cases
329 from operand_subword and changed second argument name to offset.
330 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
331 and call constant_subword to do the work. Return const0_rtx if
332 looking for a word outside of OP.
333 (operand_subword_force): Change second arg name to offset.
334 * expmed.c (store_bit_field): Use SUBREG_BYTE.
335 (store_split_bit_field): Use SUBREG_BYTE.
336 (extract_bit_field): Use SUBREG_BYTE.
337 (extract_split_bit_field): Use SUBREG_BYTE.
338 (expand_shift): Use SUBREG_BYTE.
339 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
340 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
341 * flow.c (set_noop_p): Use SUBREG_BYTE.
342 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
343 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
344 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
346 (optimize_bit_field): Use SUBREG_BYTE.
347 (purge_addressof_1): Use SUBREG_BYTE.
348 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
349 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
350 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
351 * gengenrtl.c (special_rtx): Add SUBREG.
352 * global.c (mark_reg_store): Use SUBREG_BYTE.
353 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
354 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
355 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
356 final byte offset is congruent to subreg's mode size.
357 (subst_constants): Use SUBREG_BYTE.
358 (mark_stores): Use subreg_regno_offset function.
359 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
360 function and SUBREG_BYTE.
361 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
362 (reg_is_born): Use subreg_hard_regno.
363 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
364 endian correction code. Don't combine subregs unless resulting
365 offset aligns with type. Fix subreg constant extraction for DImode.
366 Simplify SUBREG of VOIDmode CONST_DOUBLE.
367 (general_operand): Remove dead mode_altering_drug code.
368 (indirect_operand): Use SUBREG_BYTE.
369 (constrain_operands): Use subreg_regno_offset function.
370 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
371 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
372 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
373 * regs.h (REG_SIZE): Allow target to override.
374 (REGMODE_NATURAL_SIZE): New macro which target can override.
375 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
376 on the entire subreg rtx.
377 (push_reload): Use SUBREG_BYTE in comments and code.
378 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
379 for hard registers inside subregs.
380 (operands_match_p): Use subreg_regno_offset.
381 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
382 containing hard regs.
383 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
384 corrections when fixing up MEM subregs.
385 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
386 subreg_regno_offset where appropriate.
387 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
388 byte endian corrections when fixing up MEM subregs.
389 (subst_reloads): When combining two subregs, make sure final
390 offset is congruent to subreg's mode size.
391 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
392 (refers_to_regno_for_reload_p): Use subreg_regno.
393 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
394 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
395 correction code for memory subreg fixups.
396 (forget_old_reload_1): Use subreg_regno_offset.
397 (choose_reload_regs): Use subreg_regno.
398 (emit_input_reload_insns): Use SUBREG_BYTE.
399 (reload_combine_note_store): Use subreg_regno_offset.
400 (move2add_note_store): Use subreg_regno_offset.
401 * resource.c (update_live_status, mark_referenced_resources): Use
402 subreg_regno function.
403 (mark_set_resources): Use subreg_regno function.
404 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
405 (subreg_regno_offset, subreg_regno): Define prototypes.
406 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
407 (gen_lowpart_SUBREG): Add prototype.
408 * rtl.texi (subreg): Update to reflect new byte offset representation.
409 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
410 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
411 (reg_overlap_mentioned_p): Use subreg_regno.
412 (replace_regs); Make sure final offset of combined subreg is
413 congruent to size of subreg's mode.
414 (subreg_regno_offset): New function.
415 (subreg_regno): New function.
416 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
417 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
418 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
419 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
420 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
421 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
422 (a29k_get_reloaded_address): Use SUBREG_BYTE.
423 (print_operand): Use SUBREG_BYTE.
424 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
425 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
426 (arm_reload_out_hi): Use SUBREG_BYTE.
427 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
428 instead of SUBREG_WORD.
429 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
430 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
431 SUBREG creation to use byte offset.
432 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
433 inverted load insns): Fix explicit rtl subregs to use byte
435 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
436 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
437 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
438 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
440 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
441 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
442 offsets, also make sure it is congruent to SUBREG's mode size.
443 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
444 unnamed ldob insn): Generate SUBREGs with byte offset.
445 (zero_extendqihi2): SUBREG's are byte offsets.
446 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
447 (m68hc11_gen_highpart): Use SUBREG_BYTE.
448 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
449 zero-extendqisi2): Generate SUBREGs with byte offset.
450 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
451 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
452 subregs in rtl to use byte offsets.
453 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
454 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
455 (mips_move_2words): Use subreg_regno_offset.
456 (mips_secondary_reload_class): Use subreg_regno_offset.
457 * config/mips/mips.md (DImode plus, minus, move, and logical op
458 splits): Fixup explicit subregs in rtl to use byte offsets.
459 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
460 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
461 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
462 rtl to use byte offsets.
463 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
464 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
465 subregs to use byte offsets.
466 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
467 Fixup explicit subregs in rtl to use byte offsets.
468 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
469 and remove byte endian correction code.
470 * config/sh/sh.c (output_movedouble): Use subreg_regno.
471 (gen_ashift_hi): Use SUBREG_BYTE.
472 (regs_used): Use subreg_regno_offset.
473 (machine_dependent_reorg): Use subreg_regno_offset.
474 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
475 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
476 (movdf_i4): Subregs are byte offsets now.
477 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
478 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
479 (REGMODE_NATURAL_SIZE): Override.
480 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
481 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
483 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
484 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
485 extendqidi2): Generate SUBREGs with byte offsets, also make sure
486 it is congruent to SUBREG's mode size.
487 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
489 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
490 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
491 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
492 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
493 * config/v850/v850.c (print_operand, output_move_double): Use
494 subreg_regno function.
496 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
498 * configure.in (target_subdir): Use target_alias, not target.
499 * configure: Rebuilt.
501 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
503 * config/sh/crti.asm: Fix typos in comments.
505 2001-04-03 Alan Modra <alan@linuxcare.com.au>
507 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
508 TARGET_FAST_INDIRECT_CALLS.
509 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
511 (return_addr_rtx): Short circuit export stub matching when
512 TARGET_NO_SPACE_REGS.
513 (output_millicode_call): For out of range calls, make -fPIC
514 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
515 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
516 * pa.md: Modify length attr calculation of all millicode insns to
519 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
521 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
522 Require at least 2.11 in the version test. Specifically check
523 for and reject GAS version 2.10.90.
524 * configure: regenerate.
526 2001-04-03 Alan Modra <alan@linuxcare.com.au>
528 * pa.c (override_options): Remove PIC profiling warning.
529 (hp_profile_labelno): Delete.
530 (hp_profile_label_rtx): Delete.
531 (hp_profile_label_name): Delete.
532 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
533 (output_function_prologue): Remove profiling code and all tests on
534 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
535 merge_sp_adjust_with_store can work for PIC and profiling.
536 (hppa_expand_epilogue): Remove profile_flag test.
537 (hppa_can_use_return_insn_p): Likewise.
538 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
539 cater for PROFILE_HOOK.
540 (hppa_profile_hook): New function.
541 * pa.h (FUNCTION_PROFILER): Now does nothing.
542 (PROFILE_HOOK): Define.
543 (hppa_profile_hook): Declare.
544 (PROFILE_BEFORE_PROLOGUE): Delete.
545 (ASM_OUTPUT_REG_PUSH): Delete.
546 (ASM_OUTPUT_REG_POP): Delete.
547 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
548 r24. Accept function name operand, and use this and a locally
549 generated label to calculate pc-rel offset to func start.
551 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
553 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
554 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
557 2001-04-03 Alan Modra <alan@linuxcare.com.au>
559 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
560 LO_SUM cases to where they belong.
562 2001-04-02 Richard Henderson <rth@redhat.com>
564 * except.h (lang_eh_type_covers): Mark extern.
565 (lang_eh_runtime_type): Likewise.
567 2001-04-02 Zack Weinberg <zackw@stanford.edu>
569 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
570 gengenrtl.c: Wrap generated header in multiple-include guard.
571 Improve error checking.
573 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * configure.in: Don't check for putenv.
576 * configure: Regenerate.
577 * gcc.c (putenv): Don't define.
578 * vax/xm-vms.h: Handle putenv.
580 2001-04-02 Jakub Jelinek <jakub@redhat.com>
582 * ifcvt.c (noce_emit_move_insn): New.
583 (noce_try_store_flag, noce_try_store_flag_constants,
584 noce_try_store_flag_inc, noce_try_store_flag_mask,
585 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
586 noce_try_abs): Use it.
587 (noce_process_if_block): Likewise.
588 For STRICT_LOW_PART, take mode from its SUBREG.
590 2001-04-02 Jakub Jelinek <jakub@redhat.com>
592 * fold-const.c (fold): Before optimizing unsigned comparison with
593 0x7fffffffU, make sure arg0 is integral type.
595 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
597 * c-tree.texi: Document representation of wide strings.
599 2001-04-01 Richard Henderson <rth@redhat.com>
601 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
603 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
605 * i386.md: remove obsoleted comments.
606 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
607 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
610 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
612 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
614 2001-03-30 Bernd Schmidt <bernds@redhat.com>
616 * loop.c (load_mems): When generating a load from a pseudo, update
619 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
621 * i386.c (ix86_split_long_move): Use change address to compensate
622 stack pointer change in push instruction.
624 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
626 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
627 instead of rtx_equal_p; fix the output template.
629 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
631 * i386.c (ix86_expand_setcc): Support 64bit.
632 (ix86_expand_int_movcc): Likewise.
633 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
636 * i386.md (allocate_stack_worker): Turn to expander.
637 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
639 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
641 2001-03-29 Richard Henderson <rth@redhat.com>
643 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
645 2001-03-28 Matthew Hiller <hiller@redhat.com>
647 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
650 * MAINTAINERS: Added self.
652 2001-03-28 Richard Henderson <rth@redhat.com>
654 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
655 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
657 2001-03-28 Jim Wilson <wilson@redhat.com>
659 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
662 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
666 * tradcif.y (yyerror): Likewise. Add format specifier in call to
669 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
671 2001-03-28 DJ Delorie <dj@redhat.com>
673 * Makefile.in (stage1_build): Revert CFLAGS patch.
675 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
677 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
678 when multiplier or multiplicand is zero.
680 2001-03-28 Bernd Schmidt <bernds@redhat.com>
682 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
684 * config/ia64/ia64.c (update_set_flags): New function, broken out of
686 (set_src_needs_barrier): Likewise.
687 (rtx_needs_barrier): For SET case, use these two functions. Rework
688 PARALLEL case to handle all inputs before all outputs.
689 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
690 saw a label and no stop bit since then.
691 (maybe_rotate, process_epilogue): Add prototypes.
693 2001-03-28 Richard Henderson <rth@redhat.com>
695 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
696 not TARGET_TOC for special toc restore handling.
697 * config/rs6000/rs6000.md (eh_return): Likewise.
699 2001-03-28 Richard Henderson <rth@redhat.com>
701 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
702 current_function_calls_eh_return.
703 (output_function_epilogue): Handle eh_return.
704 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
705 (EH_RETURN_DATA_REGNO): New.
706 (EH_RETURN_STACKADJ_RTX): New.
707 (EH_RETURN_HANDLER_RTX): New.
708 * config/sparc/sparc.md (call/short branch peepholes): Check
709 can_throw_internal instead of in_same_eh_region.
711 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
712 for eh_return data registers.
713 (rs6000_emit_prologue): Save eh_return data registers.
714 (rs6000_emit_epilogue): Force inline restores if eh_return.
715 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
716 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
717 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
718 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
720 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
721 (return_eh_si, return_eh_di): Remove.
722 (eh_return): New, from corpse of eh_epilogue.
723 (eh_set_lr_si, eh_set_lr_di): New.
725 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
726 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
727 True for pic register if current_function_calls_eh_return.
728 (ix86_expand_epilogue): Change "emit_return" argument into "style".
729 Handle eh_return requirements.
730 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
731 (EH_RETURN_STACKADJ_RTX): New.
732 * config/i386/i386.md (exception_receiver): Remove.
733 (eh_return, eh_return_1): New.
734 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
736 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
737 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
738 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
739 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
740 (EH_RETURN_DATA_REGNO): New.
741 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
742 * config/alpha/alpha.md (eh_epilogue): Remove.
743 (exception_receiver): Use $26 for ldgp input.
744 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
746 2001-03-28 Richard Henderson <rth@redhat.com>
748 * except.c: Rewrite entirely for IA-64 ABI exception handling.
749 * except.h: Likewise.
751 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
753 (LIB2FUNCS_EH): Remove.
754 (LIB2ADD): Remove LIB2ADDEH.
755 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
756 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
757 (crt{begin,end}[S].o): Likewise.
758 (except.o): Update includes.
759 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
760 (libgcc2_c_dep): Use LIB2ADDEHDEP.
762 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
763 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
764 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
765 * builtins.c (expand_builtin): Implement it.
766 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
767 * c-common.c (c_common_nodes_and_builtins): Declare it.
768 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
769 * calls.c (libfunc_nothrow): Remove.
770 (emit_library_call_value_1): Don't call it.
771 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
772 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
773 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
774 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
775 (current_funcdef_number): Globalize.
776 (output_call_frame_info): Emit frame data if an lsda is needed.
777 Generate augmentation for personality routine. Don't play with
779 (dwarf2out_begin_prologue): Record funcdef_number.
780 * dwarf2out.h (current_funcdef_number): Declare.
781 * expr.c (expand_expr): Update for except.h name changes.
782 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
783 * expr.h (LTI_throw, LTI_rethrow): Remove.
784 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
785 (LTI_eh_rtime_match): Remove.
786 (LTI_unwind_resume, LTI_eh_personality): Add.
787 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
788 * final.c (final): Don't call check_exception_handler_labels,
789 init_insn_eh_region, or free_insn_eh_region.
790 (final_scan_insn): Always emit debug labels for
791 NOTE_INSN_EH_REGION notes.
792 * flags.h (flag_new_exceptions): Remove.
793 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
794 (record_active_eh_regions): Remove.
795 (count_basic_blocks): Check all instructions for REG_EH_REGION.
796 Use can_throw_internal.
797 (find_basic_blocks_1): Likewise.
798 (move_stray_eh_region_notes): Remove.
799 (find_label_refs): No eh_return_stub_label.
800 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
801 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
803 (delete_unreachable_blocks): Don't track deleted handlers.
804 (flow_delete_block): Use maybe_remove_eh_handler.
805 (delete_eh_regions): Remove.
806 (merge_blocks): Don't check for eh region match.
807 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
808 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
809 (init_propagate_block_info): Disable dead frame store optimization
810 when current_function_calls_eh_return.
811 (dump_bb): Don't print eh_beg, eh_end.
812 * function.c (fixup_var_refs): No catch_clauses.
813 (expand_function_end): Likewise. Call expand_eh_return before
814 the return register use. Call sjlj_emit_function_exit_after.
815 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
816 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
817 * ifcvt.c (dead_or_predicable): Remove eh region check.
818 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
819 Don't check for EH vs parameters.
820 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
821 (expand_inline_function): Call duplicate_eh_regions.
822 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
823 (copy_insn_notes): Remap REG_EH_REGION notes.
824 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
825 * integrate.h (struct inline_remap): Add local_return_label.
826 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
827 check_exception_handler_labels, nor exception_optimize.
828 (find_cross_jump): No EH region check.
829 * optabs.c (init_optabs): Update for changed eh libfuncs.
830 * rtl.def (RESX): New.
831 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
832 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
833 checks. Update for except.h name changes.
834 (expand_cleanups): Likewise.
835 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
836 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
837 (compile_file): Call init_eh before init_optabs. Don't
838 output_exception_table here.
839 (rest_of_compilation): Call convert_from_eh_region_ranges,
840 convert_to_eh_region_ranges, output_function_exception_table.
841 Don't emit_eh_context.
842 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
845 * md.texi (eh_epilogue): Remove.
846 (eh_return): Document.
847 * tm.texi (EH_RETURN_DATA_REGNO): Document.
848 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
850 * eh-common.h: Remove file.
851 * frame-dwarf2.c, frame.c, frame.h: Remove files.
852 * libgcc2.c (L_eh): Remove.
854 * unwind-dw2-fde.c: New file, largely copied from frame.c.
855 * unwind-dw2-fde.h: New file.
856 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
857 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
858 * libgcc-std.ver: Update for eh symbols.
860 2001-03-27 Richard Henderson <rth@redhat.com>
862 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
863 reduce false positives.
864 (regmove_optimize): Disable if flag_non_call_exceptions.
866 * stmt.c (expand_return): Remove always true predicate.
867 (expand_decl_cleanup_no_eh): Remove dead code.
869 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
870 barrier code. Add a scheduling barrier if a non-call insn
871 can throw internally.
873 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
874 Auto-inc addresses trap only if their base register does.
876 * except.c (can_throw_internal): Rename from can_throw.
877 * except.h, resource.c: Update references.
879 * integrate.c (copy_insn_list): Use returnjump_p.
880 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
882 * function.h (struct function): Move all boolean valued fields
883 to single bit fields at the end of the struct.
885 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
887 Rename asynchronous_exceptions to flag_non_call_exceptions.
889 * gthr-single.h (UNUSED): New. Distinguish between how C
890 and C++ mark unused function arguments. Use throughout.
892 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
893 value to target configuration header.
894 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
895 * config.in, configure: Rebuild.
896 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
897 configuration and target defines.
898 (exceptions_via_longjmp): Remove.
899 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
900 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
902 * except.h (flag_non_call_exceptions): Move ...
905 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
906 exceptions, put the note on the trapping instruction.
908 * flags.h (flag_new_exceptions): Remove.
909 * toplev.c: Don't set it.
910 * final.c: Don't check it.
911 * except.c: Provide stub definition.
913 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
914 (calculate_global_regs_live): Kill call-clobbered registers
915 across exception edges.
916 * reg-stack.c (convert_regs_1): Kill the entire target stack
917 across non-call exception edges.
919 * flow.c (cleanup_cfg): Take no argument.
920 * output.h, sibcall.c, toplev.c: Update all calls.
922 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
924 * configure.in: Don't check for bcopy.
925 * configure, config.in: Regenerate.
927 * system.h: Don't define or prototype bcopy, instead poison it.
929 2001-03-27 Richard Henderson <rth@redhat.com>
931 * function.c (expand_function_start): Set DECL_REGISTER on
932 a pseudo used for DECL_RESULT.
934 * rtl.h (LCT_NORETURN): New.
935 * calls.c (emit_library_call_value_1): Handle it.
937 2001-03-27 Stan Shebs <shebs@apple.com>
939 * objc/objc-act.c (objc_init): Use dump_base_name.
940 (gen_declaration): Clear the buffer arg.
941 (gen_declaration_1): New function, body of gen_declaration.
942 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
943 (gen_method_decl): Ditto, plus always clear buffer arg.
944 (error_with_ivar): Simplify.
945 (warn_with_method): Ditto.
946 (build_message_expr): Don't clear buffers.
947 (dump_interface): Ditto.
949 (build_keyword_selector): Clear the buffer by only zeroing
951 (objc_implementation_context): Declare.
952 (start_class): Warn about missing @end.
953 (finish_objc): Ditto.
955 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
957 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
959 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
961 * Makefile.in (SYSTEM_H): Define.
962 Depend on $(SYSTEM_H), not system.h.
964 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
966 2001-03-27 Jim Wilson <wilson@redhat.com>
968 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
970 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
971 (process_epilogue): New static function.
972 (process_set): Call process_epilogue instead of emitting .restore
974 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
976 * flow.c (struct reg_cond_life_info): New fields orig_condition
978 (init_propagate_block_info): Set new fields.
979 (mark_regno_cond_dead): Set and use new fields.
980 (flush_reg_cond_reg_1): Likewise.
981 (and_reg_cond, case AND): Check for redundant AND conditions.
982 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
985 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
987 * cppmacro.c (stringify_arg): Null terminate strings.
989 2001-03-27 Zack Weinberg <zackw@stanford.edu>
991 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
992 inclusion style. xm-m68hc11.h no longer exists.
993 * config/m68hc11/xm-m68hc11.h: Delete file.
994 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
996 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
997 Don't define GCC_VERSION, N_, or PARAMS; don't include
998 gansidecl.h or stdio.h. Define inhibit_libc here.
999 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1000 Delete code conditioned on #if GCC_VERSION == 2095.
1002 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1003 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1004 Delete code conditioned on #if GCC_VERSION == 2095.
1006 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1008 * system.h: Include symcat.h.
1009 (STRINGIFY): Don't define.
1011 * configure.in: Adjust comment.
1013 * builtins.c: Use STRINGX, not STRINGIFY.
1014 * gencheck.c: Likewise.
1015 * gengenrtl.c: Likewise.
1016 * protoize.c: Likewise.
1018 * cpplex.c: Don't include symcat.h.
1019 * cpplib.c: Likewise.
1021 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1023 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1025 * c-typeck.c (digest_init): Fold init expression.
1027 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1029 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1031 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1033 * except.c (eh_regs): Save results of build_pointer_type to a temp
1034 as FUNCTION_VALUE macro may evaluate its args multiple times.
1036 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1038 * c-common.h (DECL_NUM_STMTS): New macro.
1039 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1041 (pushdecl): Likewise.
1042 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1043 * integrate.c (expand_inline_function): Don't check
1045 * print-tree.c (print_node): Don't print it.
1046 * toplev.c (rest_of_compilation): Don't try to inline when
1047 flag_no_inline is on.
1048 * tree.h (DECL_FRAME_SIZE): Remove.
1049 (tree_decl): Adjust accordingly.
1051 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * combine.c (try_combine): Use memcpy, not bcopy.
1055 * genattrtab.c (expand_units): Likewise.
1057 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1059 * i386.md (push mem DI peep2): New.
1060 (mov 0, mov -1 peep2): Handle 64bit.
1061 (lea to arithmetics peep2): Handle 64bit leas.
1062 (rsp arithmetics to push/pop peep2s): New.
1064 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1066 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1068 * i386.c (struct machine_function): Add save_varrargs_registers.
1069 (ix86_save_varrargs_registers): New macro.
1070 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1071 (ix86_expand_prologue): Likewise.
1072 (ix86_emit_epilogue_esp_adjustement): Likewise.
1073 (ix86_expand_epilogue): Likewise.
1074 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1075 (pro_epilogue_adjust_stack_1): New insn.
1076 (pro_epilogue_adjust_stack_rex64): Likewise.
1077 * i386.h (MASK_NO_RED_ZONE): New constant.
1078 (TARGET_RED_ZONE): New macro.
1079 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1080 (RED_ZONE_SIZE): New constant.
1081 (RED_ZONE_RESERVE): New constant.
1083 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1087 2001-03-25 Kazu Hirata <kazu@hxi.com>
1089 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1092 (umodhi3): Likewise.
1095 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1097 * mkconfig.sh (DEFINES): Handle entries with '='.
1099 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1100 Set xm_defines to MACRO=value instead.
1102 * i370/xm-mvs.h: Delete.
1104 * ns32k/xm-pc532-min.h: Likewise.
1106 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1110 use ix86_expand_binary_operator
1111 (?sh??i_?): Disable for 64bit.
1112 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1113 * i386.c (shiftdi_operand): New predicate.
1115 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1116 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1117 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1118 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1119 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1120 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1121 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1122 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1123 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1124 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1125 (rotldi3, rotrdi3): New expanders.
1127 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1129 * i386.md (movstrsi): Move offline.
1131 (strmovdi_rex64): New.
1132 (strmov?i): Accept 64bit.
1133 (strmov?i_rex64): New.
1134 (strmov?i_rex_1): New.
1135 (strmov?i_1): Disable for 64bit.
1136 (rep_mov?i_rex64): New.
1137 (rep_mov?i): Disable for 64bit.
1138 (clrstrsi): Move offline.
1139 (strset?i_rex64): New.
1140 (strset?i: Accept 64bit.
1141 (rep_stos?i): Disable for 64bit.
1142 (rep_stos?i_rex64): New.
1143 (strset?i_rex_1): New.
1144 (strset?i_1): Disable for 64bit.
1145 (cmpstrsi): Accept 64bit.
1146 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1147 (cmpstrqi_nz_rex_1): New.
1148 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1149 (strlensi): Move offline.
1151 (strlenqi_1): Disable for 64bit; fix constraints.
1152 (strlenqi_rex_1): New.
1153 * i386.c (ix86_adjust_counter): New static function.
1154 (ix86_zero_extend_to_Pmode): Likewise.
1155 (ix86_expand_aligntest): Likweise.
1156 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1157 (ix86_expand_movstr): New global function.
1158 (ix86_expand_clrstr): New global function.
1159 (ix86_expand_strlen): New global function.
1160 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1161 ix86_expand_strlen): Declare.
1162 (ix86_expand_strlensi_unroll_1): Delete.
1164 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1166 * i386.md (cmpdi): Fix operand predicates.
1167 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1168 cmpdi_1_insn_rex64): New patterns.
1169 (adddi3): Turn to expander.
1170 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1171 (addsi3_carry_zext): New pattern.
1172 (adddi_?_rex64): New patterns and splitters.
1173 (addsi_?_zext): New patterns.
1174 (subsi3_carry_zext): New pattern.
1175 (subdi_?_rex64): New patterns and splitters.
1176 (iorsi_?_zext): New patterns.
1177 (iordi_?_rex64): New patterns and splitters.
1178 (iorsi_?_zext): New patterns.
1179 (iorsi_?_zext_imm): New patterns.
1180 (xorsi_?_zext): New patterns.
1181 (xordi_?_rex64): New patterns and splitters.
1182 (xorsi_?_zext): New patterns.
1183 (negdi*): New patterns.
1184 (one_cmpldi*): Likewise.
1185 (one_cmplsi*_zext, negsi*_zext): Likewise.
1186 (testqi_ext_3_rex64): New pattern.
1188 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1190 * i386-protos.h (ix86_split_long_move): Return void.
1191 * i386.c (ix86_split_to_parts): Handle 64bit target.
1192 (ix86_split_long_move): Likewise.
1193 * i386.md (all calls to ix86_split_long_move): Update.
1195 2001-03-23 Richard Henderson <rth@redhat.com>
1197 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1198 to avoid shadowing arguments.
1200 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1202 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1203 to variable names where DECL_NAME is different from
1204 DECL_ASSEMBLER_NAME.
1206 2001-03-23 Jim Wilson <wilson@redhat.com>
1208 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1209 (assemble_alias): Call make_decl_rtl.
1211 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1213 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1215 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1217 * extend.texi: Document the "java_interface" attribute.
1219 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1221 * mkconfig.sh: Use a subshell with redirected stdout,
1222 instead of closing stdout and confusing commands that run
1223 afterward. Throw away output of cmp.
1225 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1227 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1229 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1231 * i386.md (zero_extendsidi2_32): Break out from ...
1232 (zero_extendsidi2): ... here ; turn to expander.
1233 (zero_extendsidi2_rex64): New.
1234 (extendsidi2_32): Break out from ...
1235 (extendsidi2): ... here ; turn to expander.
1236 (extendsidi2_rex64): New.
1237 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1238 (trunc?f?f splitters): Add 64bit versions.
1240 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.md (pushsi, pushsi2_prologue): Disable.
1243 (pushsi2_rex64): New.
1244 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1245 (movqi_ext_1): Disable for 64bit.
1246 (movqi_ext_1_rex64): New.
1247 (pushdi2_rex64): New pattern, peep2s and splitter.
1248 (pushdi2_prologue_rex64): New pattern.
1249 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1251 (movdi splitters): Disable for 64bit.
1252 (movdi_1_rex64): New pattern, peep2s and splitters.
1253 (swapdi): New pattern.
1254 (pushsf): Disable for 64bit.
1255 (pushsf_rex64): New pattern and splitter.
1256 (pushdf_nointeger): Disable for 64bit.
1257 (pushdf_integer): Handle the 64bit case.
1258 (pushtf): Likewise; update splitters.
1260 2001-03-22 Richard Henderson <rth@redhat.com>
1262 * mkconfig.sh: Include insn-flags.h.
1263 * Makefile.in (CONFIG_H): Include insn-flags.h.
1264 (lots of objects): Remove insn-codes.h and insn-flags.h.
1266 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1267 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1268 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1269 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1270 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1271 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1272 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1273 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1274 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1275 v850/v850.c, vax/vax.c:
1276 Don't include insn-flags.h.
1278 * diagnostic.c, expr.h, reload.c, toplev.c:
1279 Don't include insn-codes.h.
1281 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1282 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1283 c4x/c4x.c, i960/i960.c, mips/mips.c:
1284 Don't include insn-codes.h or insn-flags.h.
1286 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1287 or insn-flags.h in the generated code.
1288 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1289 (main): Forward declare struct rtx_def.
1291 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1293 * invoke.texi (-ffast-math): Remove duplicate line about
1296 * gcc.texi: Remove more obsolete documentation of bugs and
1297 installation problems.
1299 2001-03-21 Kazu Hirata <kazu@hxi.com>
1301 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1304 2001-03-20 Jason Merrill <jason@redhat.com>
1306 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1308 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1309 * varasm.c (CHKR_PREFIX): Likewise.
1311 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1313 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1314 is part of a multi-SET insn.
1316 * cse.c (find_comparison_args): Remove previous change.
1317 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1320 * config/i386/i386.md (conditional_trap): Remove warning.
1322 * recog.c (push_operand): Fix error in last change that caused
1323 undefined symbol on many targets.
1325 * sdbout.c: #include ggc.h.
1326 (sdbout_init): Move to end of file.
1327 Call ggc_add_tree_root for anonymous_types.
1328 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1329 (sdbout_one_type): Use DECL_NAME for field name.
1330 * Makefile.in (sdbout.o): Show includes ggc.h.
1332 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1334 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1335 (override_options): Use properlimits for preferred_stack_boundary.
1336 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1338 (ext_register_operand): Accept DImode.
1339 (load_pic_register): Abort on 64bit.
1340 (gen_push): Use Pmode instead of SImode.
1341 (ix86_save_reg): Pic reg is never used on 64bit.
1342 (ix86_expand_prologue): Likewise.
1343 (ix86_emit_save_regs): Use Pmode instead of SImode.
1344 (legitimate_address_p): Check displacement for 64bit.
1345 (print_operand): Avoid outputting of (%rip) on 64bit.
1346 (print_operand_address): Output (%rip) where possible.
1347 (split_di): Abort on 64bit registers.
1348 (ix86_expand_branch): DImode comparison is simple for x86_64.
1349 (memory_address_length): Recognize memory addresses formed using
1351 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1353 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1355 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1357 * recog.c (push_operand): Recognize new format of push instructions.
1359 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1361 * i386.md (pushqi1): New.
1362 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1363 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1364 x86_64_immediate_operand, x86_64_immediate_operand,
1365 x86_64_zext_immediate_operand): Declare.
1366 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1367 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1368 x86_64_immediate_operand, x86_64_immediate_operand,
1369 x86_64_zext_immediate_operand): define.
1370 * i386.h (PREDICATE_CODES): Add new predicates.
1372 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1374 * i386.md (pophi1, popqi1, pushqi1): Remove.
1376 * expr.c (emit_single_push_insn): New function.
1377 (move_by_pieces): Accept NULL as destination for push instructions.
1378 (gen_push_operand): Kill.
1379 (emit_push_insn): Pass NULL when pushing; avoid updating of
1380 stack_pointer_delta.
1381 * expr.h (gen_push_operand): Kill.
1383 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * rtl.texi (COMPARE): Clarify documentation and reference section
1388 2001-03-20 Stan Shebs <shebs@apple.com>
1390 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1391 (get_object_reference): Ditto.
1392 (error_with_ivar): Use error_with_file_and_line.
1393 (warn_with_method): Use warning_with_file_and_line.
1395 2001-03-20 Tom Tromey <tromey@redhat.com>
1397 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1399 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1401 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1402 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1404 2001-03-20 DJ Delorie <dj@redhat.com>
1406 * Makefile.in (install-libgcc): Pass complete list of variables.
1407 (install-multilib): Ditto.
1409 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1411 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1412 drectve_section, switch_to_section.
1414 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1415 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1416 i386_pe_mark_dllimport.
1418 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1420 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1421 functions i386_pe_*.
1423 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1424 i386_pe_* functions with char * arguments.
1426 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1428 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1430 (movsi_ie): Introduce fpul store.
1432 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1434 * Makefile.in (OBJS): Remove hashtab.o.
1436 2001-03-19 Stan Shebs <shebs@apple.com>
1438 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1439 * c-lang.c (maybe_objc_method_name): Ditto.
1440 * c-tree.h (maybe_objc_method_name): Remove decl.
1442 2001-03-19 Tom Tromey <tromey@redhat.com>
1444 * gcc.c (init_gcc_specs): Fix comment.
1446 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1448 Compute DECL_ASSEMBLER_NAME lazily.
1449 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1450 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1451 (SET_DECL_ASSEMBLER_NAME): Likewise.
1452 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1453 (set_decl_assembler_name): Declare.
1454 (lang_set_decl_assembler_name): Likewise.
1455 * tree.c (lang_set_decl_assembler_name): New variab.e
1456 (set_decl_assembler_name): New function.
1457 (init_obstacks): Set lang_set_decl_assembler_name.
1458 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1459 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1460 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1461 where it's not necessary.
1462 (builtin_function): Likewise.
1463 (finish_decl): Likewise.
1464 * dbxout.c (dbxout_type_methods): Likewise.
1465 * ggc-common.c (ggc_mark_trees): Likewise.
1466 * profile.c (output_func_start_profiler): Likewise.
1467 * varasm.c (make_decl_rtl): Likewise.
1469 * cse.c (find_comparison_args): Update documentation. Fix
1470 mishandling of COMPARE operations.
1472 * tree.def (ABS_EXPR): Add documentation.
1473 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1475 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1477 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1479 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1481 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1482 Remove ia32 linux PIC kludge and move it...
1483 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1485 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1487 * i386.md (absdf2 expander): Fix 64bit case.
1489 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1491 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1493 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1495 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1497 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1499 * README.X11: Remove obsolete file.
1501 2001-03-18 Anthony Green <green@redhat.com>
1503 * config/pj/pj.h: Remove some trailing commas.
1504 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1506 2001-03-18 Richard Henderson <rth@redhat.com>
1508 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1509 * calls.c: ... here.
1510 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1511 defaults for them here.
1513 2001-03-17 Anthony Green <green@redhat.com>
1515 * config/pj/lib1funcs.S: Fix broken comment.
1516 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1519 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1521 * gcc.texi: Remove obsolete information relating to build and
1522 installation problems with enquire or the Pyramid C compiler.
1524 2001-03-17 Richard Henderson <rth@redhat.com>
1526 * dwarf2out.c (queue_reg_save): New.
1527 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1528 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1530 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1531 (cfa, cfa_store, cfa_temp): Make static.
1532 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1534 2001-03-17 Richard Henderson <rth@redhat.com>
1536 * integrate.h (struct inline_remap): Add local_return_label.
1537 * integrate.c (expand_inline_function): Initialize it and emit
1538 it after copy_insn_notes.
1539 (copy_insn_list): Don't store local_return_label here.
1540 (copy_insn_notes): New function split out from copy_insn_list.
1542 2001-03-17 Richard Henderson <rth@redhat.com>
1544 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1545 is generating .debug_line.
1546 (dwarf2out_init): Add main_input_filename to the file table first.
1547 * configure.in (as_dwarf2_debug_line): Test with file number 1
1548 instead of file number 0.
1550 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1552 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1553 (gen_rtx_combine): Deleted; all references changed as appropriate.
1554 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1556 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1558 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1560 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1563 2001-03-16 Jim Wilson <wilson@redhat.com>
1565 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1566 then set it to LOC_REG (79) instead of aborting.
1568 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1570 * gccbug.in: Remove high priority.
1572 2001-03-16 Richard Henerson <rth@redhat.com>
1574 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1575 output with a space instead of deleting it.
1576 * configure: Regenerate.
1578 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1580 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1581 handles the gory details of converting an object file into
1582 something that's safe to grep.
1583 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1584 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1585 newlines at either end of the string we're looking for.
1586 Make 'checking ...' message less stilted.
1587 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1588 ARM in-memory layout and its hypothetical converse. Don't
1589 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1590 HOST_WORDS_BIG_ENDIAN.
1592 * configure.in: Adjust for renamed macro. Move
1593 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1594 * configure, config.in: Regenerate.
1596 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1598 * fixinc/Makefile.in: Set SHELL.
1600 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1602 * fixinc/fixincl.c (fix_with_system): Quote file names before
1603 passing them to shell.
1605 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1607 * Makefile.in: Use fix-header$(build_exeext) instead
1610 2001-03-16 Richard Henderson <rth@redhat.com>
1612 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1613 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1614 (size_of_line_prolog): Remove.
1615 (output_line_info): Compute prologue size via label difference.
1616 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1618 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1619 assembler error when redefining file numbers.
1620 * config.in, configure: Rebuild.
1622 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1623 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1624 (dw2_asm_output_delta_uleb128): Likewise.
1625 (dw2_asm_output_delta_sleb128): Similarly.
1626 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1628 2001-03-16 Michael Meissner <meissner@redhat.com>
1630 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1632 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1634 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1636 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1637 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1638 being unsigned in ISO C and signed in traditional.
1639 (expand_prologue): Ditto.
1640 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1642 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1644 (divsi3,divdi3): Ditto.
1645 (modsi3,moddi3): Ditto.
1646 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1647 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1648 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1651 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1653 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1654 SSE based conditional moves on LTGT/UNEQ conditions;
1655 Canonicalize EQ to NE.
1656 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1657 (sse_mov?fcc_ne): New.
1659 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1661 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1663 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1664 register may be dead.
1666 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1668 * Makefile.in (hash.o): Depend on CONFIG_H.
1670 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1672 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1674 2001-03-15 Richard Henderson <rth@redhat.com>
1676 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1677 (ASM_OUTPUT_DWARF_PCREL): New.
1678 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1680 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1682 * cppfiles.c (stack_include_file): Use MAX of sysp.
1684 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1686 * config.gcc (ia64*-*-hpux*): New case.
1687 * config/ia64/hpux.h: New file for HP-UX support.
1688 * config/ia64/t-hpux: New file for HP-UX support.
1690 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1692 * fixinc/inclhack.def (irix_stdio_va_list): New.
1693 * fixinc/fixincl.x: Rebuilt.
1695 2001-03-15 Richard Henderson <rth@redhat.com>
1697 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1698 if provided by the target.
1699 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1700 (dw2_asm_output_addr): New.
1701 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1702 * dwarf2out.c (output_cfi): Use it for program addresses.
1703 (output_call_frame_info, output_die): Likewise.
1704 (output_aranges, output_line_info): Likewise.
1706 2001-03-15 Bruce Korb <bkorb@gnu.org>
1708 * gcc.c(main): make more rigorous
1709 * collect2.c(main): guard against ignoring SIGCHLD
1710 * protoize.c(main): ditto
1711 * gcc/fixinc/fixincl.c(initialize): ditto
1713 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1715 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1716 (sdbout_parms): Likewise.
1718 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1720 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1721 "widen" a destination that is already wider than a word. Also do
1722 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1724 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1726 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1728 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1730 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1732 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1734 * i960.h (i960_maxbitalignment,
1735 i960_last_maxbitalignment): Declare.
1736 * i960.c (i960_maxbitalignment,
1737 i960_last_maxbitalignment): Make global.
1738 (process_pragma): Delete.
1739 (i960_pr_align, i960_pr_noalign): Move from here ...
1740 * i960-c.c: ... to this new file.
1741 * t-960bare (i960-c.o): New rule.
1742 * t-vxworks960 (i960-c.o): Likewise.
1743 * config.gcc (i960-*-*): Define c_target_objs and
1746 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1748 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1749 without adding in rtx code and mode.
1751 * alias.c (init_alias_analysis): Don't use any rtx whose value
1752 varies as a known value.
1753 Delete a superfluous test.
1755 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1757 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1758 scheduling a stop bit.
1759 (ia64_emit_nops): Correctly handle ASMs.
1761 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1763 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1765 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1767 * cpp.texi: Update documentation for -include and -imacros.
1768 * cppfiles.c (struct include_file): Remove "defined" memeber.
1769 (find_or_create_entry): Make a copy of the file name, and
1771 (open_file): Update to ensure we use the simplified filename.
1772 (stack_include_file): Don't set search_from.
1773 (cpp_included): Don't simplify the path name here.
1774 (find_include_file): New prototype. Call search_from to
1775 get the start of the "" include chain. Don't simplify the
1777 (_cpp_execute_include): New prototype. Move diagnostics to
1778 do_include_common. Update.
1779 (_cpp_pop_file_buffer): Don't set defined.
1780 (search_from): New prototype. Use the preprocessor's cwd
1781 for files included from the command line.
1782 (read_name_map): Don't simplify the pathname here.
1783 * cpphash.h (enum include_type): New.
1784 (struct buffer): Delete search from. New search_cached.
1785 (_cpp_execute_include): Update prototype.
1786 * cppinit.c (do_includes): Use _cpp_execute_include.
1787 * cpplib.c (do_include_common): New function.
1788 (do_include, do_include_next, do_import): Use it.
1790 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1792 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1793 contents of the RTL, to determine the name of the object.
1795 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1797 * tree.h (DECL_RTL): Allocate RTL lazily.
1798 (SET_DECL_RTL): New macro.
1799 (DECL_RTL_SET_P): Likewise.
1800 (COPY_DECL_RTL): Likewise.
1801 (DECL_RTL_IF_SET): Likewise.
1802 * varasm.c (make_decl_rtl): Add assertions about the kind of
1803 declaration we are processing.
1804 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1805 (start_decl): Likewise.
1806 (finish_decl): Likewise.
1807 * c-semantics.c (emit_local_var): Likewise.
1808 * calls.c (expand_call): Likewise.
1809 * dbxout.c (dbxout_symbol): Likewise.
1810 * emit-rtl.c (unshare_all_rtl): Likewise.
1811 (unshare_all_decls): Likewise.
1812 (reset_used_decls): Likewise.
1813 * expr.c (store_constructor): Likewise.
1814 (safe_from_p): Likewise.
1815 (expand_expr): Likewise.
1816 * function.c (put_var_into_stack): Likewise.
1817 (instantiate_decls_1): Likewise.
1818 (assign_parms): Likewise.
1819 (expand_function_start): Likewise.
1820 (expand_function_end): Likewise.
1821 * ggc-common.c (gcc_mark_trees): Likewise.
1822 * integrate.c (function_cannot_inline_p): Likewise.
1823 (copy_decl_for_inlining): Likewise.
1824 (expand_inline_function): Likewise.
1825 (integrate_parm_decls): Likewise.
1826 (integrate_decl_tree): Likewise.
1827 * print-tree.c (print_node): Likewise.
1828 * reg-stack.c (stack_result): Likewise.
1829 * stmt.c (label_rtx): Likewise.
1830 (expand_return): Likewise.
1831 (expand_decl): Likewise.
1832 (expand_decl_cleanup): Likewise.
1833 (expand_anon_union_decl): Likewise.
1834 * toplev.c (check_global_declarations): Likewise.
1835 (rest_of_decl_compilation): Likewise.
1836 * tree.c (simple_cst_equal): Likewise.
1837 * objc/objc-act.c (generate_static_references): Likewise.
1839 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1841 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1842 gcc_AC_C_FLOAT_FORMAT): New macros.
1843 * configure.in: Add AC_PROG_CPP after CC tests;
1844 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1845 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1846 * configure, config.in: Regenerate.
1848 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1849 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1850 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1851 config/i370/xm-linux.h, config/i370/xm-oe.h,
1852 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1853 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1854 config/pa/xm-linux.h, config/pa/xm-pa.h,
1855 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1856 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1857 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1858 config/we32k/xm-we32k.h: Delete.
1860 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1861 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1862 config/vax/xm-vms.h: Don't define any of:
1863 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1865 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1867 * config.gcc: Remove references to deleted files.
1868 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1869 FATAL_EXIT_CODE, which is the same between oe and mvs).
1871 2001-03-14 DJ Delorie <dj@redhat.com>
1872 Vladimir Makarov <vmakarov@redhat.com>
1874 * config/i960/i960.c (i960_function_prologue): Compute size of
1875 frame according to number of registers actually saved there.
1877 2001-03-14 Richard Henderson <rth@redhat.com>
1879 * expr.c (emit_move_insn_1): Fix else if around #endif.
1881 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1884 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1887 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1890 (override_options): Parse cmodel string.
1891 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1892 * i386.h (TARGET_OPTIONS): Add "cmodel".
1893 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1895 (ix86_cmodel_string, ix86_cmodel): Declare.
1897 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1900 * i386.h (GENERAL_REG_P): Add missing REG_P.
1902 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1904 * configure.in: Use $gcc_cv_as instead of $as.
1905 * configure: Regenerated.
1907 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1909 * cppfiles.c (stack_include_file): Only increase the include
1910 count if we actually process the file properly, as opposed
1911 to treating it as length zero. Only call read_include_file
1912 if not DO_NOT_REREAD. Handle the -H include file output
1914 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1915 (cpp_included, find_include_file): Simplify pathnames after
1916 remapping them. If remapping, don't use the remapped file
1917 name's buffer as our scratch buffer.
1918 (cpp_pop_file_buffer): Replace the multiple include macro
1919 only if it isn't yet set.
1920 (read_name_map): Simplify remapped names when reading in.
1921 (remap_filename): Move code to code path that uses it.
1922 (_cpp_simplify_pathname): Return the input pointer.
1923 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1925 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1927 * expr.c (expand_expr): Revove bogus conditional.
1929 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1931 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1933 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1935 * reg-stack.c (stack_result): Unconditionally use
1936 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1938 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1940 * expr.c (emit_move_insn_1): Split push of complex value when
1941 no suitable push instruction exist.
1943 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1944 instead of QI_REG_P.
1946 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1948 * alias.c (handled_component_p, can_address_p): New functions.
1949 (get_alias_set): Use them.
1951 2001-03-13 Jim Wilson <wilson@redhat.com>
1953 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1954 from 80 in try_locals code.
1955 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1957 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1959 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1960 gcc_AC_C_LONG_LONG): New.
1961 * configure.in: Use them. Probe the size of short, int, long,
1962 and long long/__int64 if we have them. Move all the AC_C_*
1963 checks together, except gcc_AC_C_CHAR_BIT which has to go
1964 after AC_CHECK_HEADERS(limits.h).
1965 Take hwint.h out of host_xm_file and build_xm_file.
1967 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1968 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1969 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1970 Move the HOST_WIDEST_INT setup logic here from system.h.
1971 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1973 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1974 is now handled by hwint.h.
1976 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1977 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1978 config/ia64/xm-ia64.h: Don't define any of:
1979 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1980 HOST_BITS_PER_LONGLONG.
1982 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1983 config/h8300/xm-h8300.h, config/mips/iris6.h,
1984 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1985 config/sparc/xm-sp64.h: Delete.
1986 * config.gcc: Remove references to deleted files.
1988 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1989 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1990 * config/i370/xm-linux.h: Clarify floating-point situation in
1993 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1995 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1996 (find_include_file): Decide here which part of the include
1997 chain to start the search. Complain about an empty include
1998 chain in all cases apart from an abolsute file name.
1999 (_cpp_execute_include): Don't choose the search chain here.
2000 Don't call handle_missing_include in the case of an empty
2002 (_cpp_compare_file_date): Don't choose the search chain here.
2003 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2004 here from _cpp_execute_include. Behave like #include if
2005 we're in the main file.
2007 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * system.h (malloc, realloc, calloc, strdup): Only poison these
2010 tokens when IN_GCC is defined.
2012 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2014 * i386.md (abs?f expander): Support SSE case.
2015 (abd?f_if): Add new "USE"; add splitters.
2017 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2019 * cpp.texi (poison): Explain the macro expansion exception.
2021 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2023 * expr.c (store_expr): Add dont_store_target. If temp is already in
2024 target before copying to reg, don't store it into target again.
2026 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2028 * cppinternals.texi: Update for file handling.
2030 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2032 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2033 2001-02-24 which broke building the Java library.
2034 * function.c (identify_blocks): Likewise.
2035 (all_blocks): Likewise.
2036 * integrate.c (integrate_decl_tree): Likewise.
2037 * print-tree.c (print_node): Likewise.
2038 * tree.h (BLOCK_NUMBER): Likewise.
2039 (struct tree_block): Likewise.
2041 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2043 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2044 __WCHAR_TYPE__ definition.
2045 (WCHAR_TYPE_SIZE): #undef before #define.
2047 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2049 * cppfiles.c: Update comments.
2050 (destroy_include_file_node): Rename destroy_node.
2051 (find_or_create_entry): New function.
2052 (open_file, _cpp_fake_include): Use it.
2053 (handle_missing_header): New function, broken out of
2054 _cpp_execute include. Don't segfault if there is no
2055 system or quoted path.
2056 (_cpp_execute_include): Use handle_missing_header.
2058 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2060 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2061 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2063 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2065 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2066 unless anti_dependence says they are.
2067 * alias.c (objects_must_conflict): If neither has a type specified,
2070 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2071 David Billinghurst <David.Billinghurst@riotinto.com>
2073 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2075 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2077 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2078 (*_one_bit): Remove type on the match_operand in attributes.
2080 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2082 * i386.c: Commit forgotten hunk in previous patch.
2083 (regclass_map): Add extended registers.
2084 (dbx_register_map): Add missing frame register.
2086 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2088 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2090 * i386.md (x86_sahf_1): Disable for 64bit.
2091 (popsi*, pophi*): Likewise.
2092 (pushqi, pushhi): Likewise.
2093 (movdi, pushdi): Likewise.
2094 (zero extend DImode splitter): Likewise.
2095 (adddi, minusdi splitter): Likewise.
2096 (umulsidi): Likewise.
2098 (mulsidi): Disable for 64bit
2099 (lshift:DI/ashift:DI): Disable for 64bit.
2100 (loop patterns): Likewise.
2101 (call_pop, call_value_pop expanders and patterns): Likewise.
2102 (prologue_get_pc): Likewise.
2104 (fcmovDI pattern and splitter): Likewise.
2105 (movdfcc_1_rex64): New.
2107 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2109 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2110 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2111 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2112 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2113 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2114 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2115 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2116 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2117 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2118 (REGPARM_MAX): Set to 6 for x86_64.
2119 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2120 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2123 * (patterns that does use upper halves): Update constraints
2124 'q' to 'Q' and 'r' to 'R'.
2125 (cmpqi_ext_1): Disable for 64bit.
2126 (cmpqi_ext_3_insn): Likewise.
2127 (movqi_extzv_1): Likewsie.
2128 (addqi_ext_1): Liekwsie
2129 (testqi_ext_1): Liekwsie
2130 (andqi_ext_1): Liekwsie
2131 (xorqi_ext_1): Liekwsie
2132 (cmpqi_ext_1_rex64): New.
2133 (cmpqi_ext_3_insn_rex64): Likewise.
2134 (movqi_extzv_1_rex64): Likewsie.
2135 (addqi_ext_1_rex64): Liekwsie
2136 (testqi_ext_1_rex64): Liekwsie
2137 (andqi_ext_1_rex64): Liekwsie
2138 (xorqi_ext_1_rex64): Liekwsie
2140 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2142 * configure.in: Move check for unsigned enumerated bitfields
2143 to macro in aclocal.m4. Disable it for now.
2144 * configure, config.in: Regenerate.
2145 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2146 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2147 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2148 kind above its first use.
2150 * config/xm-interix.h, config/alpha/xm-alpha.h,
2151 config/i370/xm-linux.h, config/i386/xm-beos.h,
2152 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2153 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2154 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2155 Don't define ONLY_INT_FIELDS under any circumstances.
2157 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2159 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2160 config/sparc/xm-sysv4.h: Delete - now identical with some
2162 * config.gcc (hppa targets): Replace xm-pahpux.h and
2163 xm-papro.h with implicit xm-pa.h.
2164 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2167 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2169 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2170 before reload_cse_noop_set_p.
2172 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2174 * config.gcc: Where xm-host.h used to include another
2175 xm-host.h, list the nested header directly in xm_file. Remove
2176 references to deleted files. Can now use sparc/xm-sp64.h for
2179 * config/xm-linux.h, config/arm/xm-linux.h,
2180 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2181 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2182 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2183 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2184 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2187 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2188 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2189 bother to wrap #undef in #ifdef.
2190 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2191 Don't include xm-linux.h.
2192 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2194 * configure.in: Wrap regexps using [] in changequote block.
2195 Use expr : not echo | grep. Simplify regexps.
2196 * configure: Regenerate.
2198 56 xm-files remain, 22 xm-arch.
2200 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2202 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2203 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2204 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2205 (copy_object): Fix format specifier vs argument mismatch.
2207 * mips-tdump.c: Make local functions static.
2208 (rindex): Don't #undef.
2209 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2210 (fatal, fancy_abort): Delete.
2211 (read_seek): Avoid signed/unsigned compare.
2213 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2215 * combine.c (try_combine): Fix error in change to try original
2217 (gen_rtx_combine): Do same as gen_rtx for now.
2219 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2221 * configure.in: AC_SUBST xm_defines.
2222 * configure: Regenerate.
2223 * Makefile.in: Set DEFINES=$(xm_defines) when building
2226 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2228 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2229 (cpp_included, find_include_file): Update.
2230 (_cpp_compare_file_date): Make else unconditional.
2232 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2234 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2236 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2238 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2239 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2241 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2243 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2244 if it's a record type.
2246 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2248 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2249 mingw includes slightly.
2251 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2254 #undef token before poisoning it.
2256 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * alpha.c (check_float_value): Use memcpy, not bcopy.
2260 * m32r.c (m32r_sched_reorder): Likewise.
2262 * vax.c (check_float_value): Likewise.
2264 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2266 * toplev.c (file_name_nondirectory): Remove.
2267 * toplev.h: Similarly.
2268 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2269 of file_name_nondirectory.
2271 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2273 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2274 * mips-tfile.c: Don't #undef rindex; not used.
2276 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2278 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2279 (dbx64_register_map): Declare.
2280 (RETURN_ADDR_RTX): Fix for 64bit.
2281 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2282 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2283 * i386.c (dbx64_register_map): New global array.
2284 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2285 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2288 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2290 * cppfiles.c (search_from): Use lbasename.
2291 * mkdeps.c (deps_add_default_target): Use lbasename.
2293 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2295 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2296 xcalloc in lieu of malloc, realloc & calloc.
2298 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2300 * gengenrtl.c (xmalloc): Likewise.
2302 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2303 really_call_* memory allocation routines.
2305 * stmt.c (check_for_full_enumeration_handling): Use
2306 really_call_calloc, not calloc.
2308 * system.h (really_call_malloc, really_call_calloc,
2309 really_call_realloc): Define.
2310 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2312 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2314 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2316 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2318 * configure: Rebuilt.
2319 * configure.in: Only use `lang_requires' for languages athat are
2322 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2324 * invoke.texi: Fix typo.
2325 * gcc.1: Regenerate.
2327 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2329 * configure.in: Prune nonexistent files from build_xm_file,
2330 xm_file, and host_xm_file lists. Warn unless they're
2332 Don't generate *config.h here.
2333 AC_SUBST all variables needed to generate *config.h.
2334 * configure: Regenerate.
2335 * mkconfig.sh: New helper script, from code removed from
2337 * Makefile.in: Zap all MALLOC variables - no longer used
2338 anywhere, and malloc.c doesn't exist.
2339 Substitute in variables needed to generate *config.h.
2340 Stop lying about the dependencies contained in CONFIG_H and
2342 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2343 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2344 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2345 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2346 $(TM_P_H), etc. as appropriate.
2348 * config.gcc: Zap references to deleted files.
2349 * ggc-none.c: Don't include rtl.h or tm_p.h.
2351 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2352 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2353 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2354 config/i386/xm-linux.h, config/i386/xm-linux.h,
2355 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2356 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2357 Don't include i386/xm-i386.h.
2359 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2360 config/i386/xm-i386.h, config/i860/xm-i860.h,
2361 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2362 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2363 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2364 Delete (empty except comments, #includes of other deleted
2365 files, and macros used nowhere).
2367 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2369 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2370 independent on TARGET_FLAGS.
2372 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2374 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2376 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2378 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2380 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2381 LAST_REX_SSE_REG): define.
2382 (enum reg_class): Add 'LEGACY_REGS'
2383 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2384 (SSE_REGNO_P): Recognize extended registers.
2385 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2386 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2387 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2388 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2389 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2390 REG_OK_FOR_STRREG_P): Remove.
2391 (HI_REGISTER_NAMES): Add extended registers.
2392 (ADDITIONAL_REGISTER_NAMES): Likewise.
2393 (QI_REGISTER_NAMES): Add 8bit extended registers.
2394 (DEBUG_REG): Support extended registers.
2395 * i386.c (regclass_map): Add extended registers.
2396 (dbx_register-map): Likewise.
2397 (svr4_dbx_register_map): Likewise.
2398 (print_reg): Support extended registers.
2399 (print_operand): Support 64bit operands.
2401 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2403 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2404 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2405 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2406 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2407 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2408 STACK_BOUNDARY): Set properly for 64bits.
2409 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2410 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2411 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2412 (MOVE_MAX): Set to 16.
2413 (MOVE_MAX_PIECES): 8 for 64bit.
2414 (Pmode): Set to SImode.
2416 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2418 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2420 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2422 * i386.h (mask_64bit): New constant.
2423 (target_64bit): New macro.
2424 (target_options): Add '64'/'32'
2425 (target_default): Define.
2426 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2427 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2428 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2430 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2432 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2434 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2436 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2437 LO_SUM unless for_alias is set.
2439 2001-03-08 Stan Shebs <shebs@apple.com>
2441 * objc/objc-act.c: Fix old typos in comments, add comments for
2443 (hash_init): Fix file name in error message.
2444 (hash_enter): Ditto.
2445 (hash_add_attr): Ditto.
2446 (continue_class): Ditto.
2448 2001-03-08 Bruce Korb <bkorb@gnu.org>
2450 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2451 wait4() can receive the signal.
2453 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2455 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2457 * fixinc/fixincl.x: Regenerate.
2459 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2461 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2463 * fixinc/fixincl.x: Regenerate.
2465 2001-03-08 Richard Henderson <rth@redhat.com>
2467 * configure.in (HAVE_AS_LEB128): New assembler check.
2468 * configure, config.in: Rebuilt.
2470 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2472 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2475 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2477 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2478 references to the MAXPATHLEN macro.
2480 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2481 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2484 * config/i386/xm-gnu.h, config/xm-gnu.h,
2485 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2486 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2487 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2488 and/or unused files.
2490 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2491 doing so in various xm-*.h files.
2493 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2495 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2497 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2499 * configure.in (enable_shared): Support per-package shared-library
2501 * configure: Rebuilt.
2503 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2505 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2506 for crnot. Set operands[5] in splitter.
2508 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2510 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2511 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2512 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2513 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2514 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2515 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2516 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2519 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2520 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2521 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2522 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2523 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2524 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2525 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2526 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2527 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2528 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2529 Delete unused and/or empty files.
2531 * config.gcc: Define USG in xm_defines as appropriate. Define
2532 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2533 macro. Remove deleted xm-* files from $xm_files variable.
2535 2001-03-07 Tom Tromey <tromey@redhat.com>
2537 * configure: Rebuilt.
2538 * configure.in: Allow config-lang.in to set `lang_requires' to list
2539 of other required languages.
2541 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2543 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2545 (output_prologue): Use xmalloc not oballoc.
2546 (output_epilog): Free a29k_first_epilogue_insn when finished.
2547 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2549 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2551 * builtins.c (expand_builtin_mathfn): Check
2552 flag_unsafe_math_optimizations, not flag_fast_math.
2553 (expand_builtin): Likewise
2554 * combine.c (combine_simplify_rtx): Likewise.
2555 (simplify_if_then_else): Likewise.
2556 * cse.c (fold_rtx): Likewise.
2557 * flags.h: Remove flag_fast_math. Add
2558 flag_unsafe_math_optimizations and flag_trapping_math.
2559 * fold-const.c (negate_expr): Check
2560 flag_unsafe_math_optimizations, not flag_fast_math.
2561 (invert_truthvalue): Likewise.
2562 (fold): Likewise. Before associating operands, check that
2563 code == MULT_EXPR, not code != MULT_EXPR.
2564 * ifcvt.c (noce_try_minmax): Check
2565 flag_unsafe_math_optimizations, not flag_fast_math.
2566 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2567 * invoke.texi: Document -funsafe-math-optimizations and
2568 -fno-trapping-math. Change documentation for -ffast-math.
2569 * jump.c (reversed_comparison_code_parts): Likewise.
2570 (rtx_equal_for_thread_p): Likewise.
2571 * optabs.c (emit_conditional_move): Likewise.
2572 * simplify-rtx.c (simplify_binary_operation): Likewise.
2573 (simplify_relational_operation): Likewise.
2574 (simplify_ternary_operation): Likewise.
2575 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2576 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2577 Add trapping-math and unsafe-math-optimizations entries to f_options.
2578 (set_fast_math_flags): New, sets flags for -ffast-math.
2579 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2580 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2581 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2583 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2584 (alpha_emit_conditional_move): Initialize local_fast_math to
2585 flag_unsafe_math_optimizations, not flat_fast_math.
2586 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2587 instead of setting flag_fast_math to 1.
2588 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2590 * config/i386/i386.c (override_options): Likewise
2591 * config/i386/i386.md: Likewise.
2592 * config/m68k/m68k.md: Likewise.
2593 * config/mips/mips.md: Likewise.
2594 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2595 (rs6000_generate_compare): Likewise.
2597 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2599 * Makefile.in: Set RANLIB to @RANLIB@.
2602 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2604 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2605 * fixinc/fixincl.x: Regenerated.
2607 2001-03-07 Richard Henderson <rth@redhat.com>
2609 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2611 2001-03-07 Richard Henderson <rth@redhat.com>
2613 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2614 of block notes and exception handling notes.
2616 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2617 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2618 (compile_file): ... here.
2620 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2624 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2625 config.h now. Include libiberty.h to handle alloca.
2627 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2629 * c-parse.in (yylexname): New function, split out of _yylex.
2630 (objc_rid_sans_at): New table.
2631 (init_reswords): Initialize it.
2632 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2633 retrieving the next token and checking it for significance as
2634 an ObjC keyword or string constant.
2636 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2637 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2639 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2642 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2644 * config/m68k/m68k.c (const_uint32_operand): Accept any
2645 const_int on a 32-bit host.
2647 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2649 * objc/objc-act.c (init_objc): Set save_lang_status,
2650 restore_lang_status, and mark_lang_status.
2652 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2654 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2656 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2658 * cppinternals.texi: Update.
2660 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2662 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2663 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2664 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2665 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2666 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2667 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2668 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2669 config/i386/xm-i386.h, config/i860/xm-i860.h,
2670 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2671 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2672 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2673 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2674 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2675 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2676 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2677 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2678 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2679 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2680 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2681 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2682 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2683 match the defaults provided in hwint.h.
2685 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2686 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2688 * config.gcc (xm_file): Don't set to files which are deleted.
2690 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2691 guard this file against these macros being undefined.
2693 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2695 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2696 and DECL_DEFER_OUTPUT on the decl we create, before calling
2697 rest_of_decl_compilation.
2699 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2701 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2703 * configure, config.in: Regenerate.
2704 * config.gcc: Remove references to deleted files.
2706 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2707 genrecog.c, rtl.c: Do not use alloca anywhere.
2709 * Makefile.in, build-make, system.h, config/x-interix,
2710 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2711 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2712 config/arc/xm-arc.h, config/arm/xm-arm.h,
2713 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2714 config/h8300/xm-h8300.h, config/i370/x-oe,
2715 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2716 config/i386/x-ncr3000, config/i386/x-sco5,
2717 config/i386/xm-dgux.h, config/i860/x-sysv4,
2718 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2719 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2720 config/m68k/x-hp320g, config/m69k/x-mot3300,
2721 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2722 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2723 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2724 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2725 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2726 config/mips/x-iris, config/mips/x-iris3,
2727 config/mips/x-sni-svr4, config/mips/x-sysv,
2728 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2729 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2730 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2731 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2732 config/pa/xm-papro.h, config/romp/xm-romp.h,
2733 config/rs6000/x-aix31, config/rs6000/x-aix41,
2734 config/rs6000/x-beos, config/rs6000/x-lynx,
2735 config/rs6000/x-mach, config/rs6000/x-rs6000,
2736 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2737 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2738 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2739 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2740 config/vax/xm-vms.h: Eradicate all references to alloca and
2743 * config/xm-alloca.h, config/clipper/x-clix,
2744 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2745 config/i860/x-sysv3, config/m88k/x-sysv3,
2746 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2747 (contained only alloca related hacks).
2749 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2752 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2754 * invoke.texi: Document __FAST_MATH__.
2756 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * crtstuff.c: Restore include of auto-host.h.
2760 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2762 Put main() in a separate file, so that the language
2763 front-end can use a different main().
2766 * toplev.c: (main): Rename as toplev_main.
2767 * toplev.h: Declare toplev_main.
2768 * Makefile.in (OBJS): add toplev.o.
2769 (BACKEND): remove toplev.o, add main.o.
2771 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2773 * cppfiles.c (search_from): Special case the empty string.
2775 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2777 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2778 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2779 strlen or strcpy; we already know the length.
2780 (_cpp_compare_file_date): Similarly.
2781 * cpphash.h (struct cpp_reader): Delete done_initialising.
2782 (CPP_PREV_BUFFER): Delete.
2783 * cppinit.c (cpp_start_read): Don't set done_initialising.
2784 * cpplex.c (parse_string): Guarantee null-termination.
2785 (_cpp_equiv_toklists): Remove.
2786 * cpplib.c (glue_header_name): Null-terminate.
2787 (do_line): Don't leak memory.
2788 * cpplib.h (BT_WEAK): Delete.
2789 * cppmain.c (cb_ident): Strings are now null-terminated.
2791 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2793 * gcc.c (convert_filename): Append executable suffix
2794 if NO_AUTO_EXE_SUFFIX is not defined.
2795 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2796 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2798 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2800 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2801 * c-parse.gperf, c-gperf.h: Delete.
2802 (c-gperf.h was accidently re-added to the CVS repo in the rev
2803 1.16 commit by tromey)
2805 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2807 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2808 macro arguments when looking for the '('.
2809 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2810 2 when really parsing arguments; 1 when looking for '('.
2811 Always restore the lexer position.
2813 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2815 * longlong.h (umul_ppmm): Don't use a multiline string.
2817 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2819 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2820 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2821 t_bool in declaration because pcc can't combine volatile with typedef
2824 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2826 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2827 until when it is really needed.
2828 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2829 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2830 * i386.md (float?i?f splitter): Don't force source operand to memory
2832 (sse_movdfcc): Fix constraint.
2833 (sse_movdfcc splitter): Handle properly the second alternative.
2835 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2837 * cpplex.c (parse_string): Unconditionally pedwarn.
2839 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * cppexp.c (parse_number): Update.
2843 * cpplex.c (parse_string): Pedwarn if multiline string does not
2844 result from a system header's macro.
2845 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2846 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2847 for function-like macros too.
2848 * c-lex.c (lex_number): Update.
2850 2001-03-03 Richard Henderson <rth@redhat.com>
2852 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2854 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2856 * combine.c (try_combine): If split with mode-changed scratch
2857 register didn't work, try the original mode.
2859 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2861 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2862 * config/c4x/c4x.h: Likewise.
2863 * stor-layout.c (compute_record_mode): Likewise.
2864 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2866 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2868 * configure.in: Kill tm.h. Include the files in the $tm_file
2869 list in all three of config.h, hconfig.h, tconfig.h, after the
2870 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2871 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2872 * configure: Regenerate.
2873 * Makefile.in (clean): Don't delete tm.h.
2875 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2876 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2877 those are not defined, set SEC and FEC to 0 and 1.
2878 * gcc.texi: Update to match.
2880 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2881 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2882 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2883 Include tconfig.h, not tm.h.
2885 * config/xm-lynx.h, config/xm-std32.h,
2886 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2887 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2888 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2889 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2890 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2891 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2892 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2893 config/i386/xm-i386.h, config/i860/xm-i860.h,
2894 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2895 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2896 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2897 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2898 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2899 config/pa/xm-linux.h, config/pa/xm-pa.h,
2900 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2901 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2902 config/pj/xm-pj.h, config/romp/xm-romp.h,
2903 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2904 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2905 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2906 config/v850/xm-v850.h, config/vax/xm-vax.h,
2907 config/we32k/xm-we32k.h:
2909 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2911 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2912 config/i370/xm-oe.h: Don't include tm.h. Don't define
2914 * config/vax/xm-vms.h: Don't include tm.h.
2916 * config/xm-lynx.h, config/avr/xm-avr.h,
2917 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2918 Delete; made empty by above changes.
2919 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2920 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2921 Don't include config/xm-lynx.h or tm.h.
2923 * config/xm-gnu.h: Don't include fcntl.h.
2924 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2926 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2928 2001-03-02 Richard Henderson <rth@redhat.com>
2930 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2931 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2933 2001-03-02 Richard Henderson <rth@redhat.com>
2935 * Makefile.in (OBJS): Add dwarf2asm.o.
2936 * dwarf2asm.c, dwarf2asm.h: New files.
2937 * dwarf2out.c (*): Use them.
2938 (size_of_uleb128, size_of_sleb128): Remove.
2939 (output_uleb128, output_sleb128): Remove.
2940 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2941 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2942 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2943 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2944 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2945 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2946 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2947 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2948 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2949 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2950 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2951 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2952 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2953 (dwarf2out_frame_debug): Remove unused variables.
2954 (output_loc_operands): Don't abort on 8 byte constants if
2955 host integers are wide enough.
2956 (output_symbolic_ref): Remove.
2957 (size_of_die): Don't assume 4 byte host integers.
2958 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2960 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2961 something stupid with HOST_WIDE_INT to long truncation.
2962 [CONST_DOUBLE]: Likewise.
2964 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2965 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2966 * config/arm/unknown-elf.h: Likewise.
2967 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2968 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2969 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2970 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2971 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2972 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2973 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2974 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2975 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2976 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2977 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2978 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2980 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2982 * cselib.c (hash_rtx): Cast enums to unsigned int.
2984 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2986 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2987 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2989 * c-format.c (C_STD_VER): Cast to int for comparisons.
2990 (check_function_format): Cast various enums to int for &.
2991 (maybe_read_dollar_number): Likewise.
2992 (check_format_info): Likewise.
2993 (check_format_info_main): Likewise.
2994 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2995 (safe_from_p): Likewise.
2996 * varasm.c (const_hash): Cast enum to int for %.
2997 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2998 pcc enum problems with < and ++ operators.
2999 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3000 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3001 (regclass_init): Change enum class to int to iterate over reg_classes.
3002 * genrecog.c (merge_trees): Cast enums for comparison.
3003 * rtl.h (GET_CODE): Cast to enum rtx_code.
3004 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3005 (GET_MODE): Cast to enum machine_mode.
3006 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3007 (GET_NOTE_INSN_NAME): Cast enum to int.
3008 * tree.h (TREE_CODE): Cast to enum tree_code.
3009 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3010 * timevar.c (timevar_print): Change loop variable id from enum to
3012 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3013 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3014 * toplev.c (compile_file): Cast enum DFI to int.
3015 (decode_d_option): Likewise.
3017 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3019 * cppinit.c (append_include_chain): Mark "after" include file name list
3020 as a system directory.
3021 * cpp.texi: Document new behavior.
3023 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3025 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3027 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3029 * cppfiles.c (struct include_file): Update.
3030 (stack_include_file): Use search_from.
3031 (cpp_included, find_include_file): Update.
3032 (cpp_execute_include): Update. ptr->name may not be
3033 null terminated. Use the new search_from member variable
3035 (_cpp_compare_file_date): Similarly.
3036 (search_from): New function, similiar to actual_directory.
3037 (actual_directory): Delete.
3038 (remap_filename): Update. loc->name may not be null terminated.
3039 (struct file_name_list): Rename search_path. Update.
3040 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3041 search_from and dir.
3042 (struct cpp_reader): Remove actual_dirs.
3043 * cppinit.c (struct cpp_pending): Update for renamed objects.
3044 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3045 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3046 * cpplib.h (struct cpp_options): Similarly.
3048 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3050 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3051 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3052 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3053 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3054 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3055 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3056 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3057 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3058 config/i370/xm-oe.h, config/i386/xm-aix.h,
3059 config/i386/xm-i386.h, config/i386/xm-osf.h,
3060 config/i860/xm-i860.h, config/i960/xm-i960.h,
3061 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3062 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3063 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3064 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3065 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3066 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3067 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3068 config/pj/xm-pj.h, config/romp/xm-romp.h,
3069 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3070 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3071 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3072 config/v850/xm-v850.h, config/vax/xm-vax.h,
3073 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3074 Do not define TRUE or FALSE.
3076 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3077 empty by above change.
3078 * config.gcc: Remove references to these files.
3080 * configure.in: Detect stdbool.h.
3081 * configure, config.in: Regenerate.
3082 * system.h: Include stddef.h here if available.
3083 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3084 Then set up a sensible boolean type at the very end.
3086 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3087 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3089 * hash.h: Delete 'boolean' typedef and related #undefs.
3091 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3092 all uses of 'boolean' with 'bool'.
3094 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3096 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3097 * cppexp.c (lex): Cast enums for comparison.
3098 * cppinit.c (parse_option): Cast enum for comparison.
3099 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3100 (cpp_output_token): Likewise.
3101 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3102 (cpp_avoid_paste): Cast enums for minus and comparison.
3104 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3106 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3107 field to all array elements.
3109 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3111 * cpphash.h (struct cpp_reader): Add print_version field.
3112 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3113 just set print_version and other flags as appropriate.
3114 (cpp_post_options): Print version here if print_version is set.
3116 * toplev.c (exit_after_options): New flag.
3117 (independent_decode_option): Don't exit here; just set
3119 (main): Exit after calling lang_hooks.post_options if
3120 exit_after_options is true.
3122 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3123 (merge_include_chains): Adjust comment to match code.
3125 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3127 * stringpool.c (set_identifier): New function.
3128 * tree.h: Prototype it.
3130 * c-parse.in: Kill D_YES. If compiled for objc, call
3131 save_and_forget_protocol_qualifiers from init_reswords.
3132 * objc/objc-act.c (remember_protocol_qualifiers,
3133 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3134 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3136 (save_and_forget_protocol_qualifiers): New function.
3137 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3139 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3141 * c-semantics.c (prune_unused_decls): Return error_mark_node
3142 instead of (tree) 1 to stop traversing the tree chain.
3144 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3146 Fix a problem introduced by Kenner's Feb 18 change.
3147 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3148 flag_cse_skip_blocks only temporarily, not for ever.
3150 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3152 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3153 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3155 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3156 before determining its register class.
3158 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3160 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3161 from reg 4 if current_function_calls_setjmp.
3162 (gen_nop_type): New function.
3163 (ia64_emit_nops): New function.
3164 (ia64_reorg): Call it.
3165 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3167 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3168 code not to try to optimize adds with anything but a REG destination.
3170 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3171 (INSN_PRIORITY_KNOWN): New accessor macro.
3172 * haifa-sched.c (priority): Use it instead of testing priority against
3175 2001-02-28 DJ Delorie <dj@redhat.com>
3177 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3178 since that doesn't work the way gcc wants on a generic m68k.
3180 2001-02-28 Richard Henderson <rth@redhat.com>
3182 * caller-save.c (save_call_clobbered_regs): Fix typo in
3183 comparison last change.
3185 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3187 * i386.c (pentium4_cost): New.
3188 (m_PENT4): New macro.
3189 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3190 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3191 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3192 x86_memory_mismatch_stall): Add Pentium4
3193 (x86_use_q_reg, x86_use_any_reg): Kill.
3194 (override_options): Add pentium4.
3195 (incdec_operand): Return 0 for pentium4.
3196 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3197 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3198 (TARGET_PENTIUM4): Define.
3199 (enum processor_type): Add PROCESSOR_PENTIUM4.
3200 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3201 * i386.md (attribute "cpu"): Add pentium4.
3202 * invoke.texi (march): Add pentium4.
3204 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3206 * i386.md (sse_mov?fcc*): New patterns and splitters.
3207 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3208 the SSE based conditional moves.
3210 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3212 * i386.md (attribute mode): Add "TI".
3213 (movsf_1): Add pxor support; remove constant propagation splitter.
3214 (movdf_integer): Likewise.
3215 (movdf_nointeger): Likewise.
3216 (movxf constant prop splitter): Handle all modes; update for SSE.
3217 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3218 * i386.c (standard_80387_constant_p): Rewrite.
3219 (standard_sse_constant_p): New.
3220 * i386-protos.h (standard_sse_constant_p): New.
3222 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3224 * i386.md (sse_setccsf, sse_setccdf): New.
3225 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3227 * i386.c (sse_comparison_operator): Accept the supported unordered
3228 comparses; be ready for fast_math.
3229 (print_operand): Support 'D'.
3231 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3233 * jump.c (reversed_comparison_code): Kill.
3235 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3237 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3240 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3242 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3243 add missing '%' in constraints.
3245 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3247 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3248 for HOST_BITS_PER_WIDE_INT == 32 too.
3250 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3252 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3254 (insert_save, insert_restore): New parameter save_mode.
3255 (init_caller_save): Update initialization of reg_save_code
3256 and reg_restore_code.
3257 (save_call_clobbered_regs): Compute save_modes and update calls to
3258 reg_save_code and reg_restore_code.
3259 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3260 of spill; update use of reg_restore_code.
3261 (insert_save): Likewise.
3262 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3263 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3264 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3266 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3268 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3269 noce_try_store_flag_inc, noce_try_store_flag_mask,
3270 noce_try_cmove_arith):
3271 Use reversed_comparison_code instead of reverse_comparison and
3272 can_reverse_comparison_p.
3274 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3276 * jump.c (reversed_comparison_code_parts): Allow reversal of
3277 unordered compares in -ffast-math mode; reverse ordered compares
3278 for FP even w/o -ffast-math.
3280 2001-02-27 Richard Henderson <rth@redhat.com>
3282 * print-rtl.c (print_rtx) [i]: Don't print field five on
3283 NOTEs other than NOTE_INSN_DELETED_LABEL.
3285 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3287 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3288 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3290 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3292 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3293 even if walk_subtrees is 0.
3294 * c-semantics.c (prune_unused_decls): Return a non-null value to
3295 stop traversing the tree chain.
3297 2001-02-27 DJ Delorie <dj@redhat.com>
3299 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3300 register, *then* define it as the new CFA.
3302 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3304 * pa.c (override_options): Promote -fpic to -fPIC.
3305 (legitimize_pic_address): Simplify due to removal of
3306 small PIC as a code generation option.
3307 (secondary_reload_class): Similarly.
3308 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3309 (PRINT_OPERAND_ADDRESS): Similarly.
3310 * pa.md (various patterns): Similarly.
3311 (small pic lo_sum pattern): Remove.
3313 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3316 * md.texi (min, max): Document
3318 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3320 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3321 TARGET_PARTIAL_REG_DEPENDENCY.
3322 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3324 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3326 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3328 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3330 * mips.c (mips_make_temp_file): Fix thinko in last change.
3332 2001-02-26 Jason Eckhardt <jle@redhat.com>
3334 * combine.c (known_cond): Do not reverse the condition when
3335 SMAX/UMAX is being considered and the condition is for equality
3338 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3340 2001-02-26 Philip Blundell <philb@gnu.org>
3342 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3344 * config/arm/linux-elf.h: Remove historical relics related to
3345 above configurations.
3346 * config/arm/linux-oldld.h: Delete.
3347 * config/arm/linux-elf26.h: Delete.
3349 2001-02-26 Jason Merrill <jason@redhat.com>
3351 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3353 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3354 recognize a tentative definition. Lose obsolete code.
3356 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3357 variables unless necessary, either.
3359 2001-02-25 Richard Henderson <rth@redhat.com>
3361 * ifcvt.c (struct noce_if_info): Add test_bb.
3362 (noce_get_alt_condition): New.
3363 (noce_try_minmax, noce_try_abs): New.
3364 (noce_operand_ok): New.
3365 (noce_process_if_block): Use them.
3366 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3368 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3370 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3373 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3375 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3376 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3378 (mips_asm_file_end): Free temp_filename here.
3380 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3382 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3383 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3385 * config/i386/i386.md (movstrsi): Handle FAIL case.
3387 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3389 * cppinit.c (builtin_array): Update.
3390 (init_builtins): Flag builtins to warn if redefined or
3391 undefined. Define __GXX_WEAK as a normal macro.
3392 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3393 * cpplib.h (NODE_WARN): New flag.
3394 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3395 Handle __STDC__ as a builtin only on Solaris.
3396 (warn_of_redefinition): Renamed from check_macro_definition.
3397 Reverse sense of test. Always warn if NODE_WARN.
3398 (_cpp_create_definition): Use warn_of_redefinition. Flag
3399 any macro beginning with "__STDC_" to require a mandatory
3400 warning if redefined or undefined.
3402 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3404 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3405 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3406 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3407 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3408 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3409 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3410 Don't define any of:
3411 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3412 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3413 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3414 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3415 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3417 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3418 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3421 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3422 Delete now-empty file.
3424 * alpha/vms.h: Define NEED_ATEXIT here...
3425 * alpha/xm-vms.h: ...not here.
3427 * i386/cygwin.h: Don't define PARAMS.
3428 * mips/mips.c: Don't prototype mktemp. Don't define
3429 P_tmpdir. Use make_temp_file to create temporary files.
3430 Don't be clever and delete temporary files early.
3431 * config.gcc: Drop references to deleted files. Don't define
3433 * gcc.texi: Don't mention USE_PROTOTYPES.
3435 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3437 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3438 (ix86_set_move_mem_attrs_1): Likewise.
3439 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3440 * config/i386/i386.md (movstrsi): Call it.
3442 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3444 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3445 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3446 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3447 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3449 (i750a-*-*): Error here if hosting on i750a.
3450 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3452 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3453 Remove (empty modulo comments).
3455 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3456 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3457 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3458 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3459 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3460 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3462 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3463 Remove reference to winnt.h in comment.
3464 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3466 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3468 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3469 used to set another biv.
3471 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3473 * tree.h (BLOCK_DEAD): New macro.
3474 (struct tree_block): New flag, dead_flag.
3475 * print-tree.c (print_node, case 'b'): Print missing fields.
3476 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3477 * function.c (identify_blocks): Enable test for misplaced notes.
3478 (all_blocks): Skip BLOCK_DEAD blocks.
3479 * integrate.c (integrate_decl_tree): Likewise.
3481 * errors.c (internal_error, trim_filename): New functions.
3482 (fancy_abort): Call internal_error.
3483 * errors.h (internal_error, trim_filename): New declarations.
3485 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3487 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3489 (EXTRA_CONSTRAINT): Formatting changes.
3491 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3493 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3495 2001-02-23 Per Bothner <per@bothner.com>
3497 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3498 so they can be called from java/jvspec.c.
3499 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3501 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3503 * i386.c (ix86_frame): New structure.
3504 (ix86_compute_frame_size): Kill.
3505 (ix86_compute_frame_layout): New.
3506 (ix86_save_reg): New.
3507 (ix86_can_use_return_insn_p): Use frame layout stuff.
3508 (ix86_expand_prologue): Likewise.
3509 (ix86_expand_epilogue): Likewise.
3510 (ix86_initial_elimination_offset): Likewise.
3511 (ix86_nsaved_regs): Use ix86_save_reg.
3512 (ix86_emit_save_regs): Likewise.
3514 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3516 * flow.c (find_sub_basic_blocks): New function.
3517 (split_block): Be ready for basic block introduced by CODE_LABEL.
3518 (commit_one_edge_insertion): Call find_sub_basic_block.
3520 * flow.c (make_edges): Add edge from entry for blocks starting with
3521 label having ALTERNATE_NAME
3523 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3525 * function.c (epilogue_done): Be ready for first basic block not
3526 containing PROLOGUE_END note.
3527 (reposition_prologue_and_epilogue_notes): Avoid placing
3528 PROLOGUE_END note between BASIC_BLOCK.
3530 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3532 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3534 2001-02-21 DJ Delorie <dj@redhat.com>
3536 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3537 check for current_function_has_nonlocal_goto from 1999-11-12.
3539 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3541 * diagnostic.c (trim_filename): No longer static.
3542 * toplev.h (trim_filename): Declare.
3543 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3544 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3545 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3546 (rtvec_check_failed_bounds): Likewise.
3547 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3549 * convert.c (convert_to_integer): Don't do unsigned unless result or
3550 both inputs are unsigned.
3552 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3555 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3557 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3559 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3561 * Makefile.in (resource.o): Add params.h dependence.
3562 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3563 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3564 * resource.c: Add dependence on params.h.
3565 (current_live_regs): Fix explanatory comment.
3566 (find_basic_block): Add new parameter to permit limiting search
3568 (mark_target_live_regs): Add new argument to find_basic_block call.
3569 (incr_ticks_for_insn): Likewise.
3571 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3573 * diagnostic.c (output_to_stream): Rename to
3574 output_buffer_to_stream. Loses the stream parameter.
3575 (init_output_buffer): Set diagnosic_buffer's stream.
3576 (flush_diagnostic_buffer): Adjust.
3577 (default_print_error_function): Likewise.
3578 (finish_diagnostic): Likewise.
3579 (verbatim): Likewise.
3581 * diagnostic.h (struct output_buffer): Add `stream' field.
3582 (output_buffer_attached_stream): New macro.
3584 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3586 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3587 check if either operand is divisible by C.
3588 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3589 If type is signed, consider negative numbers as well.
3591 2001-02-22 Richard Henderson <rth@redhat.com>
3593 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3594 reach .text instead of gp-relative relocs.
3595 * config/ia64/crtend.asm (.init): Likewise.
3597 2001-02-22 Andreas Jaeger <aj@suse.de>
3599 * extend.texi (C++ Attributes): Fix typo.
3601 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3603 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3604 functions, drop current_function_args_info.words test.
3605 (ia64_compute_frame_size): Mark syscall_linkage functions as
3606 using eight input registers.
3608 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3609 Bruce Korb <bkorb@gnu.org>
3611 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3612 * fixinc/README: Document how to convert sed substitutions
3613 to format style c_fix-es.
3614 * fixinc/fixincl.x: regen
3616 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3618 * gcc.c: Add comment explaining how to add a command-line option.
3619 Add title to specs language comment.
3621 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3623 * gcc.c (cc1_options): Add "-param".
3624 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3625 (option_map): Likewise.
3626 * toplev.c (display_help): Add entry for "--param".
3627 (independent_decode_option): Fix typographical error.
3629 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3630 Bernd Schmidt <bernds@redhat.com>
3631 Jan Hubicka <jh@suse.cz>
3633 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3634 (function_arg): Likewise.
3636 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3638 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3640 2001-02-21 Kazu Hirata <kazu@hxi.com>
3642 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3646 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3648 * flow.c (init_propagate_block_info): Canon address and use single_set
3649 for killing dead memory stores.
3651 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3653 * Makefile.in (reorg.o): Add params.h dependence.
3654 * params.def: Fix typographical error in comment.
3655 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3656 * params.h: Modify introductory comment.
3657 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3658 * reorg.c: Add dependence on params.h.
3659 (redundant_insn): Add parameterized throttle for search.
3660 (fill_simple_delay_slots): Add a comment explaining a variable.
3661 Move conditional out of loop, simplifying code.
3662 (fill_eager_delay_slots): Fix typographical error in comment.
3664 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3666 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3668 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3669 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3671 2001-02-21 Jason Merrill <jason@redhat.com>
3673 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3674 (struct tree_decl): Add uninlinable bitfield.
3675 * c-decl.c (duplicate_decls): Set it.
3676 * integrate.c (function_cannot_inline_p): Check it.
3678 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3679 DW_AT_MIPS_linkage_name to abstract methods.
3680 (dwarf2out_abstract_function): Emit class context before calling
3681 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3682 (gen_subprogram_die): Remove obsolete code.
3683 (gen_member_die): Don't include clones in the member list.
3684 (gen_decl_die): Emit abstract info for clone origin.
3685 * dwarfout.c (output_type): Don't include clones in the member list.
3686 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3687 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3688 DECL_ABSTRACT on a function that already has it set.
3690 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3691 (get_subprogram_die): Pass it in.
3693 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3695 * flow.c (mark_set_1): Make not_dead unsigned long. For
3696 non-pseudos, use it as a bitmask of the hard regs that
3699 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3701 * cppfiles.c: Update comments.
3702 (_cpp_read_file): Don't check for NULL filenames any more.
3703 * cppinit.c (cpp_start_read): Don't do canonicalization of
3704 in_fname and out_fname. Use the passed file name exclusively.
3705 (_cpp_handle_options): Don't treat "-" as a command line option,
3706 but as a normal filename.
3707 (_cpp_post_options): Canonicalize in_fname and out_fname.
3708 * cppmain.c (printer_init): Don't check out_fname for NULL.
3709 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3710 (init_c_lex): Update, and use "" to represent stdin to CPP.
3713 2001-02-20 Will Cohen <wcohen@redhat.com>
3715 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3716 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3717 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3720 2001-02-20 Stan Shebs <shebs@apple.com>
3722 * config/rs6000/rs6000.c (output_cbranch): Output branches
3723 on separate lines instead of using ';' to separate.
3725 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3727 * cppinit.c (set_lang): Move builtin handling to...
3728 (init_builtins): ...here.
3729 (_cpp_create_reader): Move call to set_lang.
3731 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3733 * stmt.c (expand_return): If an attempt is made to return the
3734 error_mar_node, treat the return like a return without a value.
3736 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3738 * sibcall.c (skip_copy_to_return_value): Call
3739 identify_call_return_value here, and return orig_insn if it
3740 returns zero. Hardret and softret arguments now unnecessary.
3741 (call_ends_block_p): Don't call identify_call_return_value here.
3743 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3745 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3746 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3748 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3750 * pa.c (move_operand): Accept code to load the address of a
3751 symbol out of the DLT as a valid move operand.
3752 (print_operand, case 'A'): New to handle generating a DLT
3753 reference for a LO_SUM expression.
3754 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3755 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3757 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3759 * README, cpp.texi, gcc.texi, version.c: Update version number to
3761 * cpp.1, gcov.1, gcc.1: Regenerate.
3763 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3765 * cppfiles.c (stack_include_file): Generate dependencies
3766 here, and manage include_count here too.
3767 (PRINT_THIS_DEP): Delete.
3768 (_cpp_execute_include): Do not generate dependencies here,
3769 apart from the case of a missing header. Do not manage
3771 (_cpp_read_file): Leave dependency generation to
3774 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3776 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3777 target_cpu_default. Remove dead assignment to
3780 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3782 * regclass.c (contains_reg_of_mode): Make global.
3783 (init_reg_sets): Remove contains_reg_of_mode; take into account
3784 CLASS_MAX_NREGS when looking for the proper mode.
3785 (dump_regclass): Dump only classes considered for the pseudo.
3786 (regclass): Use contains_reg_of_mode.
3788 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3790 * gcc.c (do_spec_1): 'n' for printing notices.
3791 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3793 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3795 * reg-stack.c (next_flags_user): Use current_block->end
3796 (swap_rtx_condition): Look for next user if flags don't die;
3797 give up on CALL_INSNs; use current_block->end.
3799 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3801 * sibcall.c (call_ends_block_p): New function.
3802 (optimize_sibling_and_tail_recursive_call): Use it.
3804 2001-02-18 Kazu Hirata <kazu@hxi.com>
3806 * config/h8300/h8300.md: Update copyright.
3807 (andsi3): Do not output an extra newline character.
3809 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3811 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3812 FNDECL may be unused.
3814 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3815 follow jumps after first run.
3816 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3817 it doesn't change any jumps.
3819 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3821 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3822 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3823 (mostlyclean): Corresponding changes.
3824 * rtlanal.c (hard-reg-set.h): Include.
3825 (rtx_unstable_p): Do not treat the argument pointer specially
3826 if it is not a fixed register.
3827 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3829 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3832 against last real insn in basic block.
3833 Rework to avoid gotos.
3835 * Makefile.in (gcse.o): Now includes ggc.h.
3836 * gcse.c: Include ggc.h.
3837 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3838 (try_replace_reg): Remove warning of uninitialize variable.
3839 (process_insert_insn): Call invalid_insn_p to validate insn.
3840 * recog.c (insn_invalid_p): Now global.
3841 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3842 * recog.h (insn_invalid_p): New declaration.
3844 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3846 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3847 assignments from FP constants since 'Y' output code can't handle it.
3848 (eligible_for_sibcall_delay): Likewise.
3850 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3851 Call fancy_abort directly, passing args.
3852 (print_rtl_and_abort): Now a macro, like fancy_abort.
3854 * final.c (output_operand_lossage): Use internal_error, not error.
3856 2001-02-18 Shane Nay <shane@agendacomputing.com>
3858 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3859 structure shift insns.
3861 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3863 * invoke.texi (-fsquangle): Remove documentation.
3864 (-fname-mangling-version): Likewise.
3866 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3868 * optabs.c (expand_abs): Remove reference to
3869 HAVE_contitional_arithmetic.
3870 * combine.c (simplify_set): Likewise.
3872 2001-02-18 Richard Henderson <rth@redhat.com>
3874 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3877 2001-02-18 Richard Henderson <rth@redhat.com>
3879 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3881 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3883 * reload1.c (reload_cse_simplify_set): Fix typo.
3885 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3887 * diagnostic.c (_fatal_insn): Decrement errorcount.
3889 * invoke.texi (-I): Add note avoiding use for system header files.
3891 * rtl.h (add_clobbers): Remove duplicate declaration.
3892 * recog.h (added_clobbers_hard_reg_p): New declaration.
3893 * genemit.c (struct clobber_pat): New field has_hard_reg.
3894 (gen_insn): Record if added clobbers clobber hard reg.
3895 (gen_split): Avoid unused warning if number of operands is 0.
3896 (output_added_clobbers_hard_reg_p): New function.
3899 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3901 * pa.c (hppa_expand_prologue): Simplify code storing return
3902 pointer. For large (>=8k) frames with a post_store, adjust stack
3903 pointer by 8k-64 first rather than by 64. When testing with
3904 VAL_14_BITS_P, always use the actual value rather than the value
3905 negated. Add blockage to prevent scheduling of spills before
3906 stack frame has been created.
3907 (hppa_expand_epilogue): Simplify code loading return pointer.
3908 Allow a slightly larger range for merge_sp_adjust_with_load case.
3909 When testing with VAL_14_BITS_P, always use the actual value.
3911 * pa.c (pa_adjust_insn_length): Check that block move
3912 pattern is a set before looking at operands.
3914 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3916 * fold-const.c (fold_binary_op_with_conditional_arg): New
3917 function, split out from ...
3919 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3920 conditional arms that throw exceptions.
3922 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3925 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3927 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3928 define HAVE_DECL_* to 1 to mask potential backup declarations.
3929 * configure: Regenerated.
3931 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3933 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3935 2001-02-17 Richard Henderson <rth@redhat.com>
3937 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3938 when replacing a memory load with a register.
3940 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3941 Jan Hubicka <jh@suse.cz>
3943 * recog.c (validate_replace_src_1): New.
3944 (validate_replace_src_data): Likewise.
3945 (validate_replace_src): Use note_uses.
3946 * rtl.h (note_uses): Declare.
3947 * rtlanal.c (note_uses): New.
3949 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3951 * reg-stack.c (stack_def): Make field reg unsigned.
3952 (remove_regno_note): Unsignetize parameter.
3954 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3956 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3957 shladd_operand() call.
3959 2001-02-16 Bruce Korb <bkorb@gnu.org>
3960 Rodney Brown <RodneyBrown@mynd.com>
3962 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3963 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3964 machine restrictions
3965 * fixinc/fixincl.x: regen
3967 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3969 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3971 (hash_scan_insn): Clean up calls to hash_scan_set.
3972 (compute_kill_rd): REGNO now unsigned.
3973 (try_replace_reg): Rework to use simplify_replace_rtx.
3974 (cprop_jump, cprop_cc0_jump): Likewise.
3975 (cprop_insn): Call find_reg_equal_equiv_note.
3976 Reflect changes to cprop_jump and cprop_cc0_jump.
3978 * recog.c (validate_replace_src): Replace in operands of
3979 ZERO_EXTRACT in SET_DEST.
3981 * cse.c (new_label_ref): New variable.
3982 (insert): Set it instead of recorded_label_ref.
3983 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3984 CODE_LABEL for this function, and not already in REG_LABEL note.
3986 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3988 * resource.c (mark_referenced_resources): Fix typo in introductory
3990 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3993 2001-02-16 Jason Merrill <jason@redhat.com>
3995 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3997 (gen_subprogram_die): Don't abort on seeing a second definition if
3998 the previous one was abstract. Don't replace an abstract instance
3999 in the lookup table.
4001 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4002 gen_abstract_function.
4003 * dwarf2out.h: Declare it.
4004 * toplev.c (note_outlining_of_inline_function): New fn.
4005 * toplev.h: Declare it.
4006 * integrate.c (output_inline_function): Call it.
4007 * c-decl.c (duplicate_decls): Call it when redefining an extern
4008 inline. Don't inline the new defn.
4010 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4012 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4014 * .gdbinit: Rename to gdbinit.in.
4015 * gdbinit.in: New file,
4016 * configure.in: Generate .gdbinit from gdbinit.in.
4017 * configure: Regenerated.
4018 * Makefile.in (distclean): Always remove .gdbinit.
4020 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4022 * objc/objc-act.c (start_class): Register implemented_classes with
4025 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4027 * cppfiles.c (_cpp_make_system_header): Generate a file
4030 2001-02-15 Jim Meyering <meyering@lucent.com>
4032 * Makefile.in (install-common): Don't depend on installdirs here.
4033 Instead, make each of the lang.install-common targets (e.g.,
4034 c++.install-common in cp/Make-lang.in) depend on it.
4035 (install-driver): Depend on installdirs.
4037 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4039 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4041 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4044 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4046 * invoke.texi (--param): Document.
4048 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4050 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4052 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4054 * i386.md (extendsfdf2_2): Fix constraints.
4056 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4058 * i386.md (fop_df_3 splitter): Fix operand number.
4060 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4062 * invoke.texi (-mreg-alloc): Nuke.
4063 * i386.c (ix86_reg_alloc_order, regs_allocated,
4064 order_regs_for_local_alloc): Nuke.
4065 (override_options): Kill reg_alloc code.
4066 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4067 (REG_ALLOC_ORDER): SSE goes before I387.
4068 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4069 (ix86_reg_alloc_order): Likewise.
4070 * i386-protos.h (ix86_reg_alloc_order): Kill.
4072 2001-02-14 Richard Henderson <rth@redhat.com>
4074 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4076 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4078 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4080 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4082 * i386-protos.h (ix86_memory_move_cost): Move offline.
4083 * i386.c (ix86_register_move_cost): Compute properly cost of
4084 SSE, MMX and i387 instructions.
4085 (*_cost): Add costs of SSE/MMX moves.
4086 (ix86_memory_move_cost): Move offline from ....; Likewise.
4087 * i386.h (MEMORY_MOVE_COST): .... here;
4088 (struct processor costs): Add new fields to represent costs
4091 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4093 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4094 move_cost together with Matt Kraai's fix.
4096 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4098 * Makefile.in (OBJS): Add params.o.
4100 2001-02-14 Richard Henderson <rth@redhat.com>
4101 DJ Delorie <dj@redhat.com>
4103 * jump.c (jump_optimize_1): When we delete a conditional jump
4104 preceeding a non-conditional jump to effectively the same place,
4105 make sure that the combined jump skips any clobber insns between
4108 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4110 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4112 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4114 * Makefile.in (toplev.o): Depend on params.h.
4115 (intergate.o): Likewise.
4116 (params.o): New target.
4117 * flags.h (inline_max_insns): Remove.
4118 * integrate.c: Include params.h.
4119 Use MAX_INLINE_INSNS instead of inline_max_insns.
4120 * params.c: New file.
4121 * params.h: Likewise.
4122 * params.def: Likewise.
4123 * toplev.c: Include params.h.
4124 (lang_independent_params): New variable.
4125 (decode_f_option): Use the param machinery instead of setting
4127 (independent_decode_option): Handle "--param name=value".
4128 (main): Register language-independent parameters.
4130 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4132 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4134 2001-02-14 Richard Henderson <rth@redhat.com>
4136 * regclass.c (init_reg_sets_1): Revert last two changes.
4138 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4140 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4141 (variable_size): Call put_pending_size.
4142 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4143 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4144 sizes list, put newly created SAVE_EXPR there as well.
4146 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4148 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4149 (errata_find_address_regs): load_group has only 2 entries.
4150 (errata_emit_nops): Likewise. shladd is not problematic.
4151 Clear last_group if nop was emitted.
4152 (fixup_errata): load_group has only 2 entries.
4155 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4157 * c-lex.c (lex_number): Only warn traditionally for U suffix
4158 outside system macros.
4159 * cppexp.c (parse_number): Similarly.
4160 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4161 * cppmacro.c (struct cpp_macro): New member node.
4162 (parse_args): Only warn about missing rest args if not
4164 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4165 (cpp_sys_objmacro_p): New.
4166 (_cpp_create_definition): Store the node with the macro defn.
4167 Remember if the macro is defined in a system header.
4169 2001-02-13 DJ Delorie <dj@redhat.com>
4171 * configure.in (check_languages): determine languages to check
4172 * Makefile.in (check-c++): alias for check-g++
4173 (check-f77): alias for check-g77
4174 (CHECK_TARGETS): depend on configured languages
4176 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4178 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4179 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4180 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4181 (sqrtextendsfdf2): Disable for SSE2.
4183 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4185 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4186 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4187 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4188 (sqrtextendsfdf2): Disable for SSE2.
4190 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4192 * i386.md (movsfcc_1): Support integer cmove instruction.
4193 (movdfcc_1): Likewise; new splitter.
4195 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4197 * i386.c (output_fp_compare): Support SSE.
4198 (prepare_fp_compare_args): SSE comparisons always support memory.
4199 * i386.h (TARGET_CMOVE): SSE imply cmove.
4200 * i386.md (cmp?f2): Enable for SSE too.
4201 (cmpfp_i*): Support SSE.
4203 (cmpfp_i_sse_only): New.
4204 (s*, b* fp expanters): Enable for SSE too.
4205 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4208 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4210 * regclass.c (init_reg_sets_1): Silence warning.
4212 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4214 * i386.md (sqrt?f2): Change to expander.
4215 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4217 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * rtlanal.c (find_reg_equal_equiv_note): New function.
4220 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4221 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4222 * rtl.h: Add declarations for above functions.
4224 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4226 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4228 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4229 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4230 * flow.c (mark_regs_live_at_end): Likewise.
4231 (calculate_global_regs_live): Likewise.
4232 * gcse.c (compute_hash_table): Likewise.
4233 (compute_kill_rd): Likewise.
4234 * resource.c (mark_target_live_regs): Likewise.
4235 * rtl.h (INVALID_REGNUM): New macro.
4237 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4239 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4241 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4243 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4246 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4248 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4250 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4251 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4252 (fop_sf_1_sse, fop_df_1_sse): New patterns
4253 (fop_*): Disable float_extend and float patterns for SSE compilation.
4254 * i386.c (output_387_binary_op): Support SSE.
4256 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4258 * i386.md (dummy_extendsfdf2): Support SSE2
4259 (extendsfdf2): Enable if 80387 or SSE2.
4260 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4261 and no MIX_I387_SSE2
4262 (extendsfdf2_1_sse_only): New pattern.
4263 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4265 (truncdfsf2_1): Support SSE.
4266 (truncdfsf2_2): Support SSE.
4267 (truncdfsf2_2_1_sse): New pattern.
4268 (fixtruncsfsi2): Always use SSE if available.
4269 (fix_truncsfsi_sse): New pattern.
4270 (fix_truncdfsi_sse): New pattern.
4271 (floatsis?f2): Support SSE.
4272 (floatsidf2_i387): New pattern.
4273 (floatsidf2_sse): Likewise.
4275 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4277 * configure.in: Use "have_gnat" variable, not "gnat".
4278 * configure: Regenerated.
4280 * config/sparc/sparc.c (function_value): Treat all non-record
4281 aggregate types like used to treat UNION_TYPE.
4283 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4285 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4286 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4288 (MASK_MIX_SSE_I387): New.
4289 (TARGET_SSE): SSE2 imply SSE.
4290 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4291 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4292 (enum reg_class): Add new classes.
4293 (REG_CLASS_NAMES): Likewise.
4294 (REG_CLASS_CONTENTS): Likewise.
4295 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4296 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4297 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4298 (CLASS_MAX_NREGS): Use new macros.
4299 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4300 * i386.md (pushsf, movsf): Support SSE.
4301 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4302 splitters to use ANY_FP_REGNO_P.
4303 (movdf_nointeger, movdf_integer): Likewise.
4305 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4307 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4308 (try_combine): Use it.
4310 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4312 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4313 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4314 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4315 (REGISTER_MOVE_COST): Likewise.
4316 * i386-protos.h (ix86_secondary_memory_needed,
4317 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4318 * i386.c (ix86_secondary_memory_needed,
4319 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4321 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4323 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4324 (HARD_REGNO_MODE_OK): Move offline to ....
4325 * i386.c (ix86_hard_regno_mode_ok) ... here;
4326 refuse all incorrect modes.
4327 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4329 2001-02-13 Richard Henderson <rth@redhat.com>
4331 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4332 entire operator; replicate that and match_dup the operands.
4333 (cmp_ccx_arith_op_set): Likewise.
4334 (cmp_cc_arith_op_not_set): Likewise.
4335 (cmp_ccx_arith_op_not_set): Likewise.
4337 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4339 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4341 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4343 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4344 (TARGET_NO_BITFIELD_WORD): New macro.
4345 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4346 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4348 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4350 * cselib.c: New file, from simplify-rtx.c.
4351 * simplify-rtx.c: Remove cselib parts.
4352 * Makefile.in: Add cselib.o.
4354 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4356 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4357 (setup_incoming_varargs): Remove warning.
4359 * config/rs6000/rs6000.c (validate_condition_mode): When
4360 flag_fast_math, allow floating-point conditionals to be reversed.
4361 (rs6000_generate_compare): When flag_fast_math, don't generate
4362 cror operations for FP conditionals.
4364 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4366 (ASM_SPEC): Likewise.
4367 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4368 (CC1_SPEC): Likewise.
4369 (LINK_TARGET_SPEC): Likewise.
4370 (CPP_ENDIAN_SPEC): Likewise.
4371 * Makefile.in (check-consistency): New target.
4373 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4375 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4376 "return type defaults" warning for functions with return type
4378 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4379 function declarations by default rather than only when pedantic.
4381 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4383 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4386 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4388 * extend.texi (Deprecated): Deprecate new initializer lists.
4390 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4392 * mkdeps.c (deps_add_default_target): Robustify. Add
4393 basename component only.
4394 * cpp.texi (-M): Describe how default target is generated.
4395 * invoke.texi (-M): Likewise.
4397 2001-02-12 Kazu Hirata <kazu@hxi.com>
4399 * toplev.c (push_float_handler): Remove.
4400 (pop_float_handler): Remove.
4401 * toplev.h: Remove prototypes for the above functions.
4403 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4405 * c-common.c (constant_fits_type_p): New function.
4406 (convert_and_check): Use it.
4408 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4410 * Makefile.in (GXX_ABI_FLAG): Don't define.
4411 * configure.in (--enable-new-gxx-abi): Remove option.
4412 * config.in: Regenerated.
4413 * configure: Likewise.
4415 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4417 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4419 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4420 regular basic block, and arrange for all edges into it to switch
4423 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4425 * Makefile.in (distclean): Do not remove .gdbinit.
4427 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4429 * Makefile.in (gcc.o): Fix typos.
4430 (protize.o): Likewise.
4431 (unprotoize.o): Likewise.
4433 2001-02-11 Richard Henderson <rth@redhat.com>
4435 * tree.c (build1): Check for null operand in last change.
4437 2001-02-11 Richard Henderson <rth@redhat.com>
4439 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4440 (fold): Don't assume a constant isn't foldable.
4441 * tree.c (build): Set TREE_CONSTANT for an expression with no
4442 side-effects and constant operands.
4445 2001-02-10 Richard Henderson <rth@redhat.com>
4447 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4449 2001-02-10 Anthony Green <green@redhat.com>
4451 * cpp.texi (Standard Predefined): Add documentation for
4454 * c-common.c (combine_strings): Improve warning message.
4456 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4458 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4460 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4462 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4464 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4467 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4469 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4472 2001-02-09 Nick Clifton <nickc@redhat.com>
4474 * config/arm/arm.md: Change output contraint on post inc
4475 load/store multiple patterns to be a read/write contraint.
4477 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4479 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4480 .o files when using the -M options.
4482 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4483 David Edelsohn <edelsohn@gnu.org>
4485 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4486 handle DImode constants. Use one TOC entry for SImode and smaller
4487 constants, aligned properly.
4489 2001-02-08 Jason Merrill <jason@redhat.com>
4491 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4492 about the SP adjustment for saving the static chain pointer.
4493 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4494 offset when setting a temporary CFA register.
4496 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4498 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4499 powerpc-*-chorusos* .
4500 * config/rs6000/chorus.h : New file.
4501 * config/i386/chorus.h : New file.
4502 * config/sparc/chorus.h : New file.
4503 * config/sparc/t-chorus-elf : New file.
4505 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4507 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4508 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4509 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4510 (__WCHAR_TYPE__): Correct macro name.
4512 2001-02-08 Richard Henderson <rth@redhat.com>
4514 * config/i386/i386.c (ix86_frame_pointer_required): New.
4515 (ix86_setup_frame_addresses): New.
4516 (struct machine_funciton): Add accesses_prev_frame.
4517 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4518 ix86_frame_pointer_required.
4519 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4520 (SETUP_FRAME_ADDRESSES): New.
4521 * config/i386/i386-protos.h: Update.
4522 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4523 from FRAME_POINTER_REQUIRED.
4524 * config/i386/svr3gas.h: Likewise.
4525 * config/i386/sysv3.h: Likewise.
4526 * config/i386/v3gas.h: Likewise.
4528 2001-02-08 Richard Henderson <rth@redhat.com>
4530 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4531 calculation of the number of integer registers required.
4532 (function_arg_record_value): Likewise.
4534 2001-02-08 Jason Merrill <jason@redhat.com>
4536 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4537 two. Print file and line with "confused" message.
4539 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4541 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4543 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4545 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4547 * final.c (cleanup_subreg_operands): The address of a MEM can
4550 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4553 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4555 * gcc.texi (Incompatibilities): Update documentation of
4556 preprocessing numbers.
4558 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4560 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4562 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4564 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4566 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4567 * gcc.c (struct compiler): Add cpp_spec field.
4568 (input_file_compiler): New variable.
4569 (do_spec_1): Allow a particular compiler to handle `%C'
4571 (main): Store the current compiler in input_file_compiler.
4572 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4574 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4576 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4577 * cppinit.c (cpp_create_reader): Initialize them.
4578 (append_include_chain): cxx_aware arg might be unused.
4579 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4580 keywords and give them their phase 7 meaning. Pedwarn about
4581 this unless '__bool_true_false_are_defined' is defined.
4583 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4585 * lcm.c (optimize_mode_switching): Emit mode_set before the
4586 JUMP_INSN of an abnormal edge.
4588 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4590 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4591 a scheduling barrier at the end.
4593 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4595 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4597 * config/sh/sh.md (reload_outsf): Removed.
4598 (movsf_ie): Introduce constraints for FPUL loads and stores.
4599 (reload_insf): Broaden the output constraint.
4601 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4603 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4604 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4606 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4608 * final.c: Revert my previous changes.
4609 * output.h: Make profile_label_no extern.
4610 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4611 for generating label.
4613 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4615 * config/i386/djgpp.h: Add comments about standard paths.
4616 (MD_EXEC_PREFIX): Undefine before defining.
4617 (MD_STARTFILE_PREFIX): New.
4619 2001-01-30 Bruce Korb <bkorb@gnu.org>
4621 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4622 (load_file): do not rely on load_file_data() to close file pointer
4623 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4624 fixinc/inclhack.def(irix_limits_const): add test_text
4626 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4628 * cppexp.c (parse_defined): Improve diagnostics for invalid
4631 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4633 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4635 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4637 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4638 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4639 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4640 (rs6000_output_symbol_ref): New function.
4641 (output_toc): Use VTABLE_NAME_P.
4643 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4645 * print-tree.c (print_node, case PARM_DECL):
4646 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4648 * stor-layout.c (reference_types_internal): New variable.
4649 (internal_reference_types): New function.
4650 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4651 * tree.h (internal_reference_types): New declaration.
4653 * cse.c (find_best_addr): Fix typo in computing cost.
4655 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4657 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4658 and this is the sum of a pointer and a constant, we know the result
4660 (num_sign_bit_copies, case PLUS): Likewise.
4661 * explow.c (convert_memory_address): Remove opposite SUBREG.
4662 * function.c (instantiate_new_reg): New function (from common code).
4663 (instantiate_virtual_regs_1): Call it.
4664 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4665 if pointers sign- or zero-extend.
4666 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4667 If pointers extend unsigned, use inside of SUBREG.
4668 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4670 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4672 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4673 subdir of gcc_gxx_include_dir.
4674 (gcc_gxx_target_include_dir): Remove.
4676 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4678 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4679 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4680 a high-level description.
4682 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4684 * final.c: Move the declaration of profile_label_no to ...
4685 * output.h: ... here.
4686 * function.c (expand_function_start): Call PROFILE_HOOK.
4687 * config/rs6000/aix.h: Define PROFILE_HOOK.
4688 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4689 * config/rs6000/rs6000.c (output_profile_hook): Define.
4690 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4691 output_profile_hook.
4692 tm.texi : Explain new macro PROFILE_HOOK.
4694 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4696 * extend.texi (Extended Asm): Do not say that semicolon is always
4697 a valid line-breaking character for GNU assemblers. Use
4698 newline-tab as the most commonly supported syntax. Use
4699 newline-tab rather than semicolon in multi-insn examples.
4701 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4703 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4705 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4706 David Edelsohn <edelsohn@gnu.org>
4708 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4709 code for AIX, even without flag_pic.
4711 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4713 * c-typeck.c (common_type): push and pop binding level around
4714 calling common_type on function parameters.
4716 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4718 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4720 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4722 * config/mips/mips.c (override_options): Fix typo in last change.
4723 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4724 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4726 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4728 * invoke.texi (-fdump-class-layout): Document.
4729 (-fdump-translation-unit): Use `=' as filename separator.
4731 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4733 * Makefile.in (s-mlib): Don't build multilibs if
4735 (DRIVER_DEFINES): Adjust accordingly.
4737 (protoize.o): Likewise.
4738 (unprotoize.o): Likewise.
4739 * configure.in: Recognize --enable-multilib.
4741 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4743 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4745 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4746 * configure.in: Remove --enable-libstdcxx_v3 support.
4747 * configure: Regenerated.
4749 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4751 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4752 Call abort instead of fatal.
4753 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4754 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4755 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4756 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4757 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4758 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4760 * diagnostic.h (set_internal_error_function): Renamed.
4761 * toplev.h (internal_error): Renamed from fatal.
4762 (pfatal_with_name): Deleted.
4763 (fatal_io_error): Now has printf-style arguments.
4764 * diagnostic.c (pfatal_with_name): Deleted.
4765 (fatal_io_error): Rework to have args in printf-style.
4766 (set_internal_error_function): Renamed from set_fatal_function.
4767 (internal_error): Renamed from fatal.
4768 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4769 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4770 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4771 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4772 * flow.c (verify_flow_info): Likewise.
4773 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4774 * config/mips/mips.c (save_restore_insns): Likewise.
4776 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4777 * flow.c (verify_flow_info): Likewise.
4778 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4779 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4780 (avr_normalize_condition): Likewise.
4781 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4782 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4783 (limit_reload_class, double_reg_to_memory): Likewise.
4784 (print_operand_address, emit_1600_code_shift): Likewise.
4785 (gen_tst_reg, gen_compare_reg): Likewise.
4786 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4787 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4789 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4791 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4792 * objc/objc-act.c (build_ivar_chain): Likewise.
4793 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4795 * graph.c (clean_graph_dump_file): Likewise.
4796 * profile.c (init_branch_prob): Likewise.
4797 * objc/objc-act.c (objc_init): Likewise.
4799 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4800 * config/avr/avr.c (avr_override_options): Likewise.
4801 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4802 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4803 * config/h8300/h8300.c (h8300_init_once): Likewise.
4804 * config/mips/mips.c (override_options): Likewise.
4805 * config/i386/i386.c (override_options): Likewise, rework.
4806 * config/m68k/m68k.c (override_options): Likewise.
4808 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4810 * config/mips/mips.c (print_operand): Likewise.
4811 * hash.c (hash_allocate): Don't check for failure returns from
4812 obstack functions that can't fail.
4813 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4814 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4815 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4816 (get_object_reference): Likewise.
4818 2001-02-04 Nick Clifton <nickc@redhat.com>
4820 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4821 StrongARM1110, 10TDMI, and 1020T.
4823 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4825 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4827 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4829 * config/sh/sh.md (movdf load split): Pass register number to
4830 FP_OR_XD_REGISTER_P.
4832 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4834 * cppinit.c (BC): New macro.
4835 (builtin_array): Add __GXX_WEAK__.
4836 * cpplib.h (builtin_type): Add BT_WEAK.
4837 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4838 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4839 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4841 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4843 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4845 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4847 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4848 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4850 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cpphash.h: Rename ALIGN _ALIGN.
4853 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4855 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4857 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4858 compilation environment.
4859 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4860 control over location of cygwin includes and libs.
4862 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4864 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4866 2001-02-02 lars brinkhoff <lars@nocrew.org>
4868 * md.texi (Standard Names): remove reference to spur.md.
4870 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4872 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4873 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4874 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4875 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4876 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4878 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4880 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4881 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4882 number before reload.
4883 (c4x_adjust_cost): Return zero before reload.
4884 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4885 split before reload.
4887 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4889 * c4x.c (c4x_hard_regno_rename_ok): New.
4890 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4891 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4893 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4895 * diagnostic.h: Add missing "extern" in all declarations.
4897 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4899 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4900 as for gcc_gxx_include_dir.
4902 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4904 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4906 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4908 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4909 label before alignment to be used as the braf base address.
4910 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4912 (casesi_jump_2): Require at least TARGET_SH2.
4914 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4915 truncation to 32-bit doubles on -m3e and -m4-single-only.
4917 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4919 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4920 the default when building a shared object.
4921 (init_spec): Use it.
4922 * testsuite/lib/g++.exp: Include the directory where libgcc
4923 is located to the LD_LIBRARY_PATH list.
4924 * invoke.texi (-shared-libgcc): Document the cases in which
4925 GCC defaults to using the shared libgcc.
4927 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4929 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4930 unsigned is wide enough.
4932 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4933 (si_to_float): Likewise.
4934 (float_to_si, float_to_usi): Use BITS_PER_SI.
4936 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4938 * dwarf2out.c: Added explanation of abbreviations.
4939 (def_cfa_1): Added comments listing DWARF2 instructions.
4940 (cfa_temp_reg): Removed in favor of cfa_temp.
4941 (cfa_temp_value): Removed in favor of cfa_temp.
4942 (cfa_temp): New global variable.
4943 (dwarf2out_frame_debug_expr): Added extensive introductory
4944 comments explaining the function's transformations. Revised to
4945 use cfa_temp. Added some rtx checking. Generalize IOR case.
4946 (dwarf2out_frame_debug): Revised to use cfa_temp.
4947 (output_aranges): Cast as "unsigned" to avoid warning.
4948 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4949 explain which instructions must be marked.
4951 2001-02-01 Richard Henderson <rth@redhat.com>
4953 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4956 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4958 * config/sh/crt1.asm (main_k): Modified so that start calls
4959 ___setup_argv_and_call_main.
4961 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4963 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4964 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4965 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4966 * cppmacro.c (builtin_macro): Set builtin flags here.
4967 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4968 (replace_args): Clarify intent.
4969 (cpp_get_token): Macro expansion tokens get the saved flags.
4971 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4974 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4976 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4979 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4981 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4982 returns Pmode pseudo, but we need ptr_mode.
4983 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4984 Remove bogus conversions; use HOST_WIDE_INT for size.
4985 Don't use TARGET if wrong mode.
4987 * config/i386/i386.c (ix86_compute_frame_size): Allow
4988 stack_alignment_needed to be non-default even if size is zero.
4990 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4992 * pa.c (hppa_init_pic_save): New function.
4993 * pa.h (hppa_init_pic_save): Declare.
4994 * pa.md (call, call_value, sibcall, sibcall_value): Use
4995 the above instead of duplicated code.
4997 * pa.c (hppa_encode_label): Correct size of alloca buffer
4998 so we don't overrun it. Correct leading `*' case.
4999 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5000 need to handle `*@'.
5001 (FUNCTION_NAME_P): Likewise.
5003 2001-01-31 Richard Henderson <rth@redhat.com>
5005 * config.gcc (alpha-osf5): Use float-i128.h.
5007 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5008 * config/float-i32.h: Likewise.
5009 * config/float-i64.h: Likewise.
5010 * config/float-sh.h: Likewise.
5011 * config/float-sparc.h: Likewise.
5013 2001-01-31 DJ Delorie <dj@redhat.com>
5015 * expmed.c (extract_bit_field): allow non-integral modes if we
5016 want to extract a whole register from itself.
5018 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5020 * c-typeck.c (set_init_index): If first is equal to last, assume as
5021 if it was not a range at all.
5023 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5025 * config/fp-bit.c: Include tm.h.
5026 (float_to_si): Don't assume SImode is 32-bits wide.
5027 (float_to_usi): Likewise.
5029 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5031 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5033 (typename): Call pending_xref_error after parsing typed_typespecs.
5034 * c-decl.c (lookup_tag): Give error immediately rather than
5035 leaving it pending if the tag of the wrong type is in the same
5037 (xref_tag): Don't pedwarn for forward declarations of enum types
5039 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5042 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5044 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5046 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5048 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5049 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5051 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5053 * cpphash.h (struct cpp_reader): New saved_flags.
5054 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5055 to avoid a paste after a pasted token.
5057 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5059 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5060 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5061 Wtype_MIN instead of LONG_MIN.
5063 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5065 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5067 * fixinc/fixincl.x: Regenerated.
5068 * fixinc/inclhack.def (irix_limits_const): New definition to
5069 convert "const" to "__const" in limits.h.
5071 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5073 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5075 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5077 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5078 when register dies in the insn.
5080 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5082 * diagnostic.c (fatal): Fix word wrap.
5084 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5086 * combine.c (try_combine): Fix SUBREG setting for
5087 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5089 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5091 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5094 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5096 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5098 * toplev.c (decode_W_option): Update warn_larger_than
5099 unconditionally for each processed switch.
5101 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5103 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5105 (hppa_expand_prologue): Delete code to save pic offset table register
5106 in the function prologue.
5107 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5108 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5109 table register at the beginning of the function after the prologue.
5111 2001-01-29 lars brinkhoff <lars@nocrew.org>
5113 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5115 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5116 Jeff Law <law@redhat.com>
5118 * pa.md (return): Revise comment for trivial return.
5119 (return_internal): Non-trivial return pattern for non-PIC code.
5120 (return_internal_pic): Non-trivial return pattern for PIC code.
5121 It uses the PIC register to ensure it is restored after
5123 (epilogue): Generate appropriate return for PIC and non-PIC code.
5125 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5127 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5129 2001-01-29 DJ Delorie <dj@redhat.com>
5131 * combine.c (if_then_else_cond): Pass the correct mode to
5132 operand_subword() for constants.
5134 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5136 * config/i386/cygwin.h: Add w32api to include search. Search different
5137 directories in a cross-build environment.
5139 2001-11-29 Tim Josling <tej@melbpc.org.au>
5141 * tree.h (TYPE_STUB_DECL): Add documentation.
5143 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5145 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5146 (sdbout_field_types): Likwise. Fix use of host_integerp.
5148 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5150 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5153 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5155 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5156 to use flag_gnu_linker.
5158 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5160 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5161 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5163 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5165 * tree.c, tree.h (build_parse_node): Remove; was identical to
5167 * c-lang.c (start_cdtor), objc/objc-act.c
5168 (build_module_descriptor): Use build_nt instead of
5171 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5173 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5174 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5175 not have any upper bits set.
5177 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5179 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5181 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5183 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5185 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5187 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5188 (integer_minus_one_node): Define.
5190 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5192 * Makefile.in (bootstrap2-lean): Fix typo.
5194 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5196 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5197 : Don't set fe_value.
5198 * cpplib.h (AVOID_LPASTE): New flag.
5199 (struct cpp_hashnode): Remove fe_value.
5200 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5201 * cppmacro.c (builtin_macro): Don't set flags here.
5202 (replace_args): Set AVOID_LPASTE flag on first token of an
5203 argument, and the token following it.
5204 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5205 macro expansion, and on the token following it. Do it for
5207 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5209 2001-01-27 Richard Henderson <rth@redhat.com>
5211 * config/alpha/t-ieee: Remove multilibbing.
5212 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5214 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5216 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5218 * Makefile.in: Remove all dependencies on defaults.h.
5219 * builtins.c: Don't include defaults.h.
5220 * c-common.c: Likewise.
5221 * c-decl.c: Likewise.
5222 * c-pragma.c: Likewise.
5223 * c-typeck.c: Likewise.
5224 * combine.c: Likewise.
5226 * frame-ia64.c: Likewise.
5227 * cppexp.c: Likewise.
5228 * crtstuff.c: Likewise.
5229 * dbxout.c: Likewise.
5230 * dwarf2out.c: Likewise.
5231 * dwarfout.c: Likewise.
5232 * emit-rtl.c: Likewise.
5233 * except.c: Likewise.
5235 * final.c: Likewise.
5236 * frame-dwarf2.c: Likewise.
5237 * libgcc2.c: Likewise.
5238 * optabs.c: Likewise.
5239 * profile.c: Likewise.
5240 * sdbout.c: Likewise.
5241 * toplev.c: Likewise.
5242 * tradcif.y: Likewise.
5244 * varasm.c: Likewise.
5246 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5248 * builtins.c (expand_builtin_fputs): Use size_one_node when
5249 transforming into fwrite.
5251 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5253 * extend.texi (Attribute Syntax): New section.
5255 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5257 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5258 they didn't need fixing.
5260 2001-01-27 Janis Johnson <janis@us.ibm.com>
5262 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5264 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5265 to remove macro definitions that are duplicated from elfos.h.
5267 2001-01-27 Richard Henderson <rth@redhat.com>
5269 * config/i386/sco5gas.h: Move ...
5270 * config/usegas.h: ... here.
5271 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5273 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5275 * c-typeck.c (struct constructor_stack): Add range_stack member.
5276 (really_start_incremental_init): Clear it.
5277 (push_init_level): Save constructor_range_stack and clear it if
5278 pushing explicit braces.
5279 (pop_init_level): abort if constructor_range_stack is non-zero at
5280 explicit closing brace. Restore saved constructor_range_stack if
5283 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5285 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5286 into register was forced into memory.
5288 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5290 * Makefile.in: Remove uses of + before $(MAKE).
5292 2001-01-26 Richard Henderson <rth@redhat.com>
5294 * stmt.c (cost_table): Remove.
5295 (COST_TABLE, cost_table_initialized): New.
5296 (estimate_case_costs): Use the later instead of the former.
5297 (balance_case_nodes): Likewise.
5299 2001-01-26 Richard Henderson <rth@redhat.com>
5301 * alias.c (objects_must_conflict_p): Read-only slots may not
5302 conflict despite having the same type.
5304 2001-01-27 Michael Hayes <mhayes@redhat.com>
5306 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5308 (check_ext_dependant_givs): Initialise u_start_val and
5310 (load_mems): Make last_max_reg unsigned.
5311 (try_swap_copy_prop): Use INSN_P and initialise set.
5313 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5315 * README.AVR : Removed.
5317 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5319 * pa-64.h (text_section): Remove declaration.
5321 * pa.md (return_internal): Remove mode on PIC register use.
5323 2001-01-25 lars brinkhoff <lars@nocrew.org>
5325 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5326 ASM_CLOSE_PAREN): fix typos.
5328 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5330 * acconfig.h: Define `const' to the empty string if neither
5331 __STDC__ nor __cplusplus is defined.
5332 * config.in: Regenerated.
5334 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5336 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5337 * collect2.c (main): Delete importf. Add ".obj" file extension.
5338 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5339 (aix_std_libs): Add additional AIX libraries to skip.
5340 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5341 * config/rs6000/aix51.h: New file.
5343 2001-01-25 Michael Hayes <mhayes@redhat.com>
5345 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5346 (loop_insn_emit_before): No longer static.
5347 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5348 (loop_givs_rescan, load_mems): Likewise.
5349 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5350 (maybe_eliminate_biv_1):
5351 (move_movables): Replace emit_call_insn_before with
5352 loop_call_insn_hoist.
5353 * loop.h (loop_insn_emit_before): Add.
5354 * unroll.c (copy_loop_body): Replace emit_insn_before with
5355 loop_insn_emit_before.
5357 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5359 * diagnostic.c (fatal): Request preprocessed source.
5361 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5363 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5364 olddecl has argument types and newdecl has none, use the argument
5367 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5369 * dwarf2out.c (prefix_of): New function. Determine longest common
5370 prefix of the two arguments. The units are whole path components.
5371 (output_file_names): When adding a new directory find the one entry
5372 with the longest common prefix already in the list. Artificially
5373 generate entry if there is none for this prefix.
5374 Fix test to check whether the zeroth directory entry is used.
5376 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5378 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5379 Changed all callers. Take it into account when deciding if a
5380 previously loaded value matches.
5382 2001-01-24 Richard Henderson <rth@redhat.com>
5384 * reload.c (find_reloads_subreg_address): Fail the substitution
5385 if the resulting address is insufficiently aligned.
5387 2001-01-24 DJ Delorie <dj@redhat.com>
5389 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5390 check the original operand's mode also.
5391 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5393 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5395 * c-parse.in (cast_expr): Move compound literals from here ...
5396 (primary): ... to here. Use standard terminology "compound
5397 literal" instead of "constructor expression".
5399 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5401 * gcc.1, cpp.1: Regenerate.
5403 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5405 * calls.c (emit_library_call_value_1): Memory slot for
5406 pass-by-reference argument should have the mode of the argument,
5407 not of the pointer to it.
5409 2001-01-24 Tom Tromey <tromey@redhat.com>
5411 * gcc.texi (G++ and GCC): Mention gcj manual.
5412 (Standards): Link to section of manual mentioning gcj/Java
5415 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5417 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5418 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5419 * tradcpp.c (main): Add -imacros or -include'd dependencies
5421 * cpp.texi (-M, -MM): Document -M -include behaviour.
5423 2001-01-24 Roger Collins <roger@ProProject.com>
5425 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5427 2001-01-24 Will Cohen <wcohen@redhat.com>
5429 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5430 whether registers are 32 bits or 64 bits in size.
5432 2001-01-24 Ben Elliston <bje@redhat.com>
5434 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5436 2001-01-24 Richard Henderson <rth@redhat.com>
5438 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5439 (builtin_longjmp): Use it instead of emit_indirect_jump.
5441 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5443 * bb-reorder.c (make_reorder_chain_1): Handle case where
5444 jump edge goes to the same block as the fallthru edge.
5446 2001-01-23 Jim Wilson <wilson@redhat.com>
5448 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5449 * frame.h (__ia64_personality_v1): Add prototype.
5450 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5451 prototype form. Add void * cast to first argument to personality
5453 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5454 (asctoe113): Likewise.
5455 * config/ia64/frame-ia64.c: Include eh-common.h.
5456 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5458 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5460 (itanium_split_issue): Add prototype.
5461 (gen_nop_type): Ifdef out.
5462 (find_best_packet): Initialize best_packet.
5463 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5465 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5466 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5467 (flushrs): Add explicit stop bit at end.
5468 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5471 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5473 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5475 * libgcc2.c (__terminate_func): Make variable static.
5476 (__terminate_set_func): New function to set __terminate_func.
5477 * libgcc2.h (__terminate_func_ptr): New typedef.
5478 (__terminate_set_func): New function.
5480 2001-01-23 Richard Henderson <rth@redhat.com>
5482 * flow.c (init_propagate_block_info): Don't consider unchanging
5483 memories for dead frame store elimination.
5485 2001-01-23 Richard Henderson <rth@redhat.com>
5487 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5488 * defaults.h: ... here.
5490 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5492 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5494 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5496 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5498 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5500 * rs6000.h (rs6000_return_addr): Move prototype from here...
5501 * rs6000-protos.h (rs6000_return_addr): ...to here.
5502 (rs6000_init_expanders): Delete prototype.
5504 2001-01-23 Nick Clifton <nickc@redhat.com>
5506 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5507 (Spec Files): Document %B and %j and %. and %v3 and %M and
5508 %{S*&T} spec switches.
5510 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5512 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5514 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5515 Neil Booth <neil@daikokuya.demon.co.uk>
5517 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5518 Have -Werror make pedantic warnings errors, like the
5521 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5523 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5525 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5527 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5528 * integrate.c (expand_inline_function): Initialize them.
5529 (subst_constants): If changing COMPARE so that both its arguments
5530 will be VOIDmode and the comparison mode will be lost, note
5531 compare_mode. Use the recorded compare_mode to optimize
5534 2001-01-23 Jason Merrill <jason@redhat.com>
5536 * dwarf2out.c (new_die): Use xcalloc.
5537 (output_die): Abort rather than emit a local reference to offset 0.
5539 2001-01-17 Andrew Haley <aph@redhat.com>
5541 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5542 of a saved register; return NULL instead.
5543 (copy_reg): Take a pointer to a source register rather than a
5545 (next_stack_level): Remember the address in the stack frame of all
5547 Use the saved register pointer array as the source of the CFA.
5548 (throw_helper): Rewrite. Unwind once rather than twice and keep
5549 track of saved registers as we go.
5551 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5553 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5554 * c4x.c (c4x_legitimize_reload_address): Remove.
5555 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5556 reload address for ldp(k) insn.
5558 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5560 * pa.md (return_internal): Add a USE of the PIC register to ensure
5561 it is restored after each call.
5562 (return expander): Corresponding changes.
5564 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5566 * rs6000.h (INIT_EXPANDERS): Delete.
5567 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5568 * rs6000.c (rs6000_override_options): Call *_machine_status from
5570 (rs6000_init_expanders): ...instead of here. Delete.
5571 (rs6000_mark_machine_status): New function.
5572 (rs6000_init_machine_status): Use xcalloc.
5573 (rs6000_return_addr): Generate RTX for the return address.
5574 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5575 (rs6000_stack_info): Use it.
5577 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5579 * gthr-win32.h: Include errno.h to get a declaration for
5580 EINVAL and _mingw.h if the target is mingw32.
5582 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5584 * cpp.texi: Correct typos.
5586 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5588 * explow.c (probe_stack_range): Ensure value passed to
5589 stack_check_libfunc is ptr_mode, not Pmode.
5591 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5593 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5594 case, don't use operand_subword to calculate a SUBREG that is
5597 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5599 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5601 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5602 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5603 valid. If not replace it by equivalent insns.
5605 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5607 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5608 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5609 (c4x_U_constraint, symbolic_address_operand): Likewise.
5610 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5612 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5613 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5614 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5615 anulling slot because of silicon bug.
5616 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5618 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5620 * cppexp.c (parse_charconst): Change `mask' type to agree
5623 2001-01-21 Richard Henderson <rth@redhat.com>
5625 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5626 pic_label_name in a linkonce section.
5628 2001-01-17 Philipp Thomas <pthomas@suse.de>
5630 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5632 * configure: Regenerate.
5634 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5636 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5637 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5639 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5641 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5642 If REVERSE nonzero then condition code in X must be reversed.
5643 (encode_section_info): Optimise if/else.
5644 (avr_function_value): Fix formatting.
5646 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5647 (difficult_branch): Likewise.
5648 (rvbranch): Likewise.
5649 (difficult_rvbranch): Likewise.
5651 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5653 * config/avr/libgcc.S: Fix comment.
5655 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5657 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5659 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5661 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5663 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5665 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5666 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5667 * configure, config.in: Regenerate.
5668 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5669 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5670 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5671 (doprint.o): New rule.
5673 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5675 * c-typeck.c (digest_init): Handle boolean types as scalars.
5677 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5679 * stmt.c (expand_return): Don't return anything if size is zero.
5680 Delete redundant assignment to BYTES.
5681 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5683 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5685 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5686 the same as the default library function names.
5687 * config/avr/avr.md: Document special characters after '%'.
5688 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5689 knowing which of the call-used registers are really clobbered.
5690 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5691 New. Both quotient and remainder from one libgcc.S call.
5692 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5693 clobber as few registers as possible.
5694 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5696 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5698 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5699 context of the top of the stack.
5701 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5703 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5704 (fixup_var_refs_insns): ...here.
5706 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5708 * function.c (fixup_var_refs_insns): Break up into
5709 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5710 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5711 [loop over hash table entries].
5712 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5713 fixup_var_refs_insns_with_hash, to match above changes.
5715 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5717 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5718 (libgcc.a): Likewise.
5719 (stmp-multilib): Likewise.
5720 (STAGE2_FLAGS_TO_PASS): Likewise.
5722 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5724 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5725 temporary if no_new_pseudos.
5727 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5729 * cppinternals.texi: Update.
5731 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5733 * arm.c (arm_init_builtins): Re-enable builtins.
5735 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5737 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5738 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5739 element to be null, and always expect an EXPR_LIST.
5740 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5741 * sched-deps.c (sched_analyze_1): Likewise.
5742 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5744 * regclass.c (max_set_parallel): New variable.
5745 (reg_scan): Take it into account in computation of max_parallel.
5746 (reg_scan_mark_refs, case SET): Compute it.
5748 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5750 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5751 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5753 2001-01-19 Jason Merrill <jason@redhat.com>
5755 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5756 for the abstract instance of an inline function.
5758 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5759 J"orn Rennecke <amylaar@redhat.com>
5761 * reload1.c (move2add_note_store): Treat all registers directly or
5762 indirectly derived from a base register as members of the same set
5764 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5765 of base register into account.
5767 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5769 * alias.c (find_base_value): Recognize TRUNCATE.
5770 (record_set): In PLUS case, invalidate if other summand is also a
5773 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5775 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5776 entry to be EXPR_LIST.
5777 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5778 be an EXPR_LIST (but not null, which other code doesn't allow).
5779 (note_stores): Properly handle PARALLEL in SET.
5780 Recursively call for top-level PARALLEL.
5781 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5782 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5784 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5786 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5788 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5789 not pfile->skipping (== 0).
5791 2001-01-17 Nick Clifton <nickc@redhat.com>
5793 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5796 2001-01-17 Jim Wilson <wilson@redhat.com>
5798 * invoke.texi (IA-64 options): Improve.
5800 2001-01-17 Tom Tromey <tromey@redhat.com>
5802 * invoke.texi (Optimize Options): Use `{}' to around @samp
5805 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5807 * invoke.texi (-fno-guess-branch-probability): New option.
5809 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5811 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5812 case of making new double-word constant.
5813 Revert last change: instead just test i3_subst_into_i2.
5815 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5817 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5818 Use q constraints instead of r.
5820 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5822 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5823 (machine_function): Define.
5824 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5825 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5826 pa_free_machine_status): New functions.
5827 (override_options): Set {init,mark,free}_machine_status to above.
5828 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5829 PIC_OFFSET_TABLE_REGNUM_SAVED.
5830 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5831 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5832 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5833 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5834 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5836 2001-01-15 DJ Delorie <dj@redhat.com>
5838 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5842 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5844 * flow.c (propagate_on_insn): Make trying to delete a prologue
5845 or epilogue insn an ICE, not a warning. Allow doing this if
5846 the current function returns with stack pointer depressed.
5848 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5849 I3 having more than one SET.
5851 2001-01-16 Jim Wilson <wilson@redhat.com>
5853 * invoke.texi: Document IA-64 options.
5855 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5856 (fixup_errata): Delete TARGET_A_STEP use.
5857 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5858 (TARGET_SWITCHES): Delete -ma-step option.
5859 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5860 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5861 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5862 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5863 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5864 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5866 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5867 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5868 cmovsi_internal): Delete ! TARGET_A_STEP check.
5870 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5872 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5873 possibility to report bugs via postal mail. Change a URL and
5874 merge in a nearly duplicate statement...
5875 (Bug Reporting): ...from here.
5876 (Service): Refer to the Bug Reporting section instead of
5878 (Contributing): Remove trivial explanations concerning snapshots.
5880 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5882 * cppmain.c (general_init): Don't use ANSI prototype.
5884 2001-01-16 Tom Tromey <tromey@redhat.com>
5886 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5888 2001-01-16 Richard Henderson <rth@redhat.com>
5890 * config/i386/i386.h: Fix comment typo.
5891 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5892 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5894 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5896 * gcc.c: Revert previous -fsyntax-only-related change; move
5899 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5901 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5902 inmode after checking GET_CODE (op).
5904 2001-01-16 Richard Henderson <rth@redhat.com>
5906 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5907 (MAX_MEM_SET_LIST_LEN): New.
5908 (propagate_one_insn): Update mem_set_list_len.
5909 (invalidate_mems_from_autoinc): Likewise.
5910 (invalidate_mems_from_set): Likewise.
5911 (mark_used_regs): Likewise.
5912 (init_propagate_block_info): Likewise. Stop collecting memories
5913 when we reach MAX_MEM_SET_LIST_LEN.
5914 (mark_set_1): Likewise.
5916 2001-01-16 Richard Henderson <rth@redhat.com>
5918 * unroll.c (precondition_loop_p): Fail if no iteration
5921 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5923 * gcc.c: When -fsyntax-only is given, do not complain about
5926 2001-01-15 Richard Henderson <rth@redhat.com>
5928 * config/i386/i386.c (asm_output_function_prefix): Remove.
5929 (ix86_asm_file_end): New.
5930 (load_pic_register): Generate pic_label_name into a
5931 staticly allocated buffer.
5932 * config/i386/i386-protos.h: Update.
5933 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5934 (ASM_FILE_END): New.
5935 * config/i386/i386afe.h: New file.
5936 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5937 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5938 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5939 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5940 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5941 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5942 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5944 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5946 * Makefile.in (install-man): Remove explicit dependency on
5949 * configure.in, configure: Revert previous patch requiring perl
5952 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5954 * toplev.c (flag_guess_branch_prob): New.
5955 (f_options): Add guess-branch-probability option.
5956 (rest_of_decl_compilation): Only estimate branch probability if
5958 (main): set flag_guess_branch_prob.
5960 * flags.h (flag_guess_branch_prob): New.
5962 2001-01-15 DJ Delorie <dj@redhat.com>
5964 * gcc.texi (Makefile): Add documentation for Makefile targets.
5966 2001-01-15 Philip Blundell <philb@gnu.org>
5968 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5970 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5971 (is_pic): Delete declaration.
5972 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5973 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5974 * config/arm/arm.md (builtin_setjmp_receiver): New.
5976 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5978 * arm.c (use_return_insn): Don't try to determine the function type
5979 until after reload has completed.
5980 (arm_output_epilogue): Don't adjust the sp value recovered from the
5982 (emit_multi_reg_push): Don't record dwarf information for the pc.
5983 * arm.md (eh_epilogue): The function type may have changed, so it
5984 needs to be recalculated.
5985 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5986 unwind tables on arm/netbsd.
5988 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5990 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5991 (negated_cbranchsi4): Likewise.
5993 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5995 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5996 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5997 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5998 pass -mapcs-* options to assembler.
5999 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6000 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6001 (ASM_SPEC): Call subtarget_extra_asm_spec.
6003 2001-01-15 Andreas Jaeger <aj@suse.de>
6005 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6007 (ix86_expand_builtin): Likewise.
6009 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6010 warning about comparison between signed and unsigned.
6012 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6014 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6016 2001-01-14 Ralf Baechle <ralf@gnu.org>
6018 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6019 SUBTARGET_CPP_SPEC apropriatly.
6021 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6023 * varasm.c (make_decl_rtl): Fix typo in last change.
6025 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6027 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6028 linker supports the init_priority C++ attribute.
6029 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6030 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6031 linker does not support init_priority C++ attribute.
6033 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6035 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6037 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6039 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6040 * cp/lex.c (finish_parse): Similarly.
6041 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6042 Return the number of errors encountered.
6043 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6044 * cppmain.c (main): Don't call cpp_destroy.
6046 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6048 * configure.in: Require at least perl 5.6.0 to regenerate
6050 * configure: Regenerate.
6052 2001-01-14 Richard Henderson <rth@redhat.com>
6054 * genrecog.c (DT_veclen_ge): New.
6055 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6056 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6057 (nodes_identical_1): Handle DT_veclen_ge.
6058 (write_cond, debug_decision_2): Likewise.
6060 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6062 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6064 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6066 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6068 * cppmain.c (do_preprocessing): New function; most of the old
6070 (main): Call it to do most of the work.
6071 (cb): Move from global scope to set_callbacks ().
6072 (setup_callbacks): Get the callback pointer.
6073 (general_init, printer_init): Clean up code and comments.
6075 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6077 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6080 2001-01-14 Kazu Hirata <kazu@hxi.com>
6082 * config/h8300/h8300.c (get_shift_alg): Update comments.
6084 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6086 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6087 (alloc_page, ggc_alloc): Add casts to remove warnings.
6089 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6091 * combine.c (simplify_comparison): Don't change `code' when
6092 can't reverse comparison.
6094 2001-01-14 Richard Henderson <rth@redhat.com>
6096 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6097 update all call sites. Return true for all non-label constants.
6099 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6101 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6103 (ix86_expand_branch): Update.
6104 (ix86_expand_setcc): Update to handle multiple test conditions.
6105 (expand_int_movcc): Likewise.
6106 (expand_fp_movcc): Likewise.
6107 * i386-protos.h (ix86_expand_compare): New.
6108 * i386.md (andqi_?_slp, orqi_?_slp): New.
6109 (conditional trap expander): Update call to ix86_expand_compare.
6111 2001-01-14 Richard Henderson <rth@redhat.com>
6113 * config/vax/vax.md: Use nonimmediate_operand instead of
6114 general_operand in destinations.
6116 * config/vax/vax.md (indirect_jump): Use register_operand.
6118 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6119 * config/vax/vax.md (call_pop): Turn into an expander.
6120 (call_value_pop): Likewise.
6121 (call, call_value): New.
6123 2001-01-14 Andreas Jaeger <aj@suse.de>
6125 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6127 (ix86_fp_compare_mode): Add unused attribute.
6128 (ix86_expand_fp_movcc): Remove unused variable.
6129 (ix86_expand_builtin): Make fcode unsigned.
6131 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6132 (expand_expr): Add cast to avoid signed warning.
6133 (store_field): Likewise.
6134 (store_constructor_field): Likewise.
6135 (store_constructor): Likewise.
6136 (store_expr): Likewise.
6137 (clear_storage): Likewise.
6138 (emit_group_store): Likewise.
6139 (emit_group_load): Likewise.
6141 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6143 * c-common.c: Move format checking code to ...
6144 * c-format.c: ... here. New file. Reorder some functions and
6146 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6148 * c-common.h (decl_handle_format_attribute,
6149 decl_handle_format_arg_attribute): Declare.
6150 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6151 (c-common.o): Adjust dependencies.
6152 (c-format.o): New list of dependencies.
6154 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6156 * unroll.c (loop_iterations): If we cannot prove iteration variable
6157 is set once in each iteration, punt.
6159 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6161 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6162 (*strlenhi): Remove clobber (which was buggy) of output address.
6164 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6166 * Makefile.in (generated-manpages): Add gcc.1
6167 ($(srcdir)/gcc.1): New target.
6168 (maintainer-clean): Delete $(srcdir)/gcc.1.
6169 * gcc.texi: Add macros @gccoptlist and @gol.
6170 * invoke.texi: Include option summary in manpage. Mark up option
6171 summary with @gccoptlist and @gol. Use @r in one place where
6173 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6174 * gcc.1: Generate from invoke.texi.
6176 2001-01-13 Richard Henderson <rth@redhat.com>
6178 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6179 (struct page_entry): Add group member.
6180 (struct page_group): New.
6181 (struct globals): Add page_groups member.
6182 (alloc_anon): Only define for using mmap; remove valloc call.
6183 (page_group_index): New.
6184 (set_page_group_in_use): New.
6185 (clear_page_group_in_use): New.
6186 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6187 (free_page, release_pages): Likewise.
6188 * configure.in (with-gc): Default to ggc-page always.
6190 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6192 * reload1.c (replace_pseudos_in_call_usage): Use
6193 reg_equiv_constant and reg_equiv_address, and don't try
6194 regno_reg_rtx first.
6196 2001-01-13 Richard Henderson <rth@redhat.com>
6198 * ggc-page.c (alloc_page): Round up allocation size to one page.
6199 Set e->order on extra pages.
6201 2001-01-13 Richard Henderson <rth@redhat.com>
6203 * genrecog.c (nodes_identical): Expand commentary.
6204 (write_switch): Watch out for identical nodes.
6206 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6208 * cppfiles.c (_cpp_fake_include): New function.
6209 * cpphash.h (_cpp_fake_include): New.
6210 * cpplib.c (do_line): Call _cpp_fake_include when entering
6211 header files in preprocessed input.
6212 * cppmain.c (cb_pragma_implementation): Remove handling.
6213 (setup_callbacks): Don't register pragmas.
6215 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6217 * extend.texi: Udate for CPP.
6219 2001-01-13 Andreas Jaeger <aj@suse.de>
6221 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6223 * regmove.c: Add prototype for replace_in_call_usage.
6225 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6227 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6228 struct cpp_chunk, struct htab, struct toklist,
6229 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6230 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6231 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6232 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6233 (struct macro_args): Delete.
6234 * cpphash.h: See above.
6236 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6238 * cppmain.c (struct printer): Remove no_line_dirs.
6240 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6241 : Use options rather than CPP_OPTION.
6242 (setup_callbacks): Use cb rather than pfile->cb.
6243 (main): No need to check for a buffer. Use cpp_errors.
6244 (printer_init): Don't set no_line_dirs.
6245 (maybe_print_line): Use options not no_line_dirs.
6246 (cb_file_change): Don't call print_line if -P.
6248 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6250 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6252 * c-parse.in (finish_parse): Use cpp_errors.
6253 (__yylex): Use return value of cpp_pop_buffer.
6254 * cp/lex.c (finish_parse): Use cpp_errors.
6255 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6257 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6259 * README.AVR: URLs corrected.
6261 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6263 * c-decl.c (start_function): Don't warn if old prototype is builtin
6264 that's not in C's namespace.
6265 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6266 (_bb): Add prototype for ctime.
6267 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6269 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6271 * i386.c (ix86_fp_comparison_arithmetics_cost,
6272 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6273 ix86_fp_comparison_cost): New functions.
6274 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6275 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6276 two-branch sequences; make static.
6277 (ix86_use_fcomi_compare): Do decision according to the costs.
6278 (split_fp_branch): New.
6279 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6280 * i386-protos.h (ix86_expand_fp_compare): Remove
6281 (ix86_split_fp_branch): Declare.
6283 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6284 and ix86_comparison_operator.
6286 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6289 * i386.c (put_condition_code): Output properly the unordered/ordered
6290 compares in fp case.
6291 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6293 * tm.texi (REVERSE_CONDITION): Document.
6294 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6295 in -ffast-math mode.
6296 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6298 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6300 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6302 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6305 * config/sh/sh.c (mova_p): Fix test for mova_const.
6307 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6309 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6310 cpp_get_options rather than dereferencing pfile and using
6312 * scan-decls.c (scan_decls): Use return value of
6313 cpp_pop_buffer rather than CPP_BUFFER.
6315 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6317 * cppinit.c (cpp_handle_option): help_only is now part of the
6318 cpp_options structure.
6319 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6320 cpp_set_callbacks): New functions.
6321 * cpplib.h (cpp_callbacks): Break out as a named structure.
6322 (cpp_options): Move help_only here from cpp_reader.
6323 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6324 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6325 cpp_set_callbacks): New prototypes.
6326 * cppmain.c (main): Update for help_only.
6328 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6330 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6331 Also build and remove and install and uninstall c-tree.info and
6333 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6334 ($(srcdir)/cppinternals.info): New target.
6335 * c-tree.texi: Change file name used when makeinfo used without -o
6336 from ir.info to c-tree.info. Add info directory entry.
6337 * cppinternals.texi: Add info directory entry.
6338 * .cvsignore: Update.
6340 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6342 * c-typeck.c (store_init_value): Don't require constant initializer
6343 elements with -pedantic -std=c99.
6344 (digest_init): Change error about non-constant initializer elements
6346 (constructor_range_end): Remove.
6347 (constructor_incremental, designator_depth,
6348 designator_errorneous): New variables.
6349 (struct constructor_stack): Remove range_end, add incremental.
6350 (struct constructor_range_stack, constructor_range_stack): New.
6351 (struct initializer_stack): Add constructor_range_stack.
6352 (finish_init): Set it.
6353 (start_init): Likewise. require_constant_elements for non-static
6354 trees only if not flag_isoc99.
6355 (really_start_incremental_init): Remove constructor_range_end, add
6356 constructor_incremental.
6357 (pop_init_level): Likewise.
6358 (push_init_level): Likewise. If implicit and the subobject had some
6359 value set already, preinitialize the level with it.
6360 Warn about missing braces only if not pushing due to designators.
6361 (set_designator, push_range_stack): New functions.
6362 (set_init_label): Use them.
6363 (set_init_index): Likewise. Remove constructor_range_end.
6364 Error if designator index is outside of array bounds.
6365 (add_pending_init): Compare values of purpose index trees, not the
6366 trees themselves. Allow overwriting of already initialized element.
6367 Issue a warning if it had side-effects.
6368 (set_nonincremental_init, set_nonincremental_init_from_string): New
6370 (pending_init_member): Rename to...
6371 (find_init_member): ...this function. Call set_nonincremental_init
6372 if necessary. Compare values of purpose index trees, not the trees
6373 themselves. Return the actual value, not just non-zero if something
6375 (output_init_element): Remove checks for duplicates.
6376 If field has zero size, only check the initializer for correctness.
6377 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6378 if constructor_incremental is zero. Change error about initializers
6379 not computable at load time into pedwarn.
6380 (output_pending_init_elements): Compare bit positions, not
6381 FIELD_DECLs to take into account zero-sized fields.
6382 (process_init_element): Use constructor_range_stack to fill all
6383 ranges in the designator lists from current level up.
6384 * extend.texi: Update documentation for labeled elements.
6386 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6388 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6389 to function usage for arguments passed by reference. Optimize
6390 callee-copied arguments.
6391 * regmove.c (replace_in_call_usage): New function.
6392 (fixup_match_1): Call it.
6393 * cse.c (cse_insn): Canonicalize registers in function usage.
6394 * reload1.c (replace_pseudos_in_call_usage): New function.
6397 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6400 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6402 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6405 2001-01-12 DJ Delorie <dj@redhat.com>
6407 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6408 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6411 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6413 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6414 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6415 -std options alongside references to -ansi. Update some
6416 documentation for C99.
6417 * cpp.1: Regenerate.
6419 2001-01-12 Andreas Jaeger <aj@suse.de>
6421 * haifa-sched.c (restore_line_notes): Remove argument block B
6423 * sched-ebb.c (schedule_ebb): Change caller.
6424 * sched-rgn.c (schedule_region): Likewise.
6425 * sched-int.h (restore_line_notes): Adjust prototype.
6427 * loop.h: Remove wrong declaration of doloop_condition_get.
6429 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6431 * extend.texi: Move C++-extension-related node from the C section
6432 into the C++ section.
6434 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6436 * extend.texi: Refer to an array of pointers to functions instead
6437 of one of functions.
6439 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6440 Jan Hubicka <jh@suse.cz>
6442 * combine.c (reversed_comparison): Fix typo in last patch.
6444 (combine_reversed_comparison_code): Make static to follow
6445 prototype declaration.
6447 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6449 * install.texi: Remove misplaced duplicate entry.
6451 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6453 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6455 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6457 * final.c: (leaf_function_p): Fix typo.
6459 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6461 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6462 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6464 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6465 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6466 mmap_anon, and valloc is available.
6467 * ggc-page.c: Restructure ifdef logic to match new autoconf
6468 spec. Don't throw away the test page in init_ggc.
6470 * configure, config.in: Regenerate.
6472 2001-01-12 Michael Hayes <mhayes@redhat.com>
6474 * loop.h (total_biv_increment): Constify iv_class pointer.
6475 (struct induction): Replace `mem_mode' with `mem' rtx.
6476 * unroll.c (total_biv_increment): Constify iv_class pointer.
6477 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6478 (find_mem_givs, combine_givs_p): Likewise.
6479 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6481 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6483 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6485 (__gthread_getspecific): Ditto.
6487 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6489 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6490 put_condition_code): Convert fp comparison codes to integer
6492 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6495 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6496 * i386-protos.h (no_comparison_operator): Kill.
6498 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6500 * combine.c (REVERSIBLE_CC_MODE): Remove.
6501 (reversible_comparison_p): Remove.
6502 (combine_reversed_comparison_code): New.
6503 (reversed_comparison): New.
6504 (combine_simplify_rtx): Use
6505 combine_reversed_comparison_code/reversed_comparison instead
6506 of reversible_comparison_p.
6507 (simplify_if_then_else): Likewise.
6508 (simplify_set): Likewise.
6509 (simplify_logical): Likewise.
6510 (if_then_else_cond): Likewise.
6511 (known_cond): Likewise.
6512 (simplify_comparison): Likewise.
6514 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6516 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6517 sizeof (int) is larger than sizeof(__word__).
6519 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6521 * cppinit.c (do_includes): Fix typo.
6523 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6525 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6526 in S_REGS does not occur because not all sources are possible
6527 when a S_REGS is a destination (sometimes needs a clobber).
6528 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6529 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6530 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6531 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6532 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6533 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6534 (lshrdi_const1, lshrsi3_const16): Likewise.
6535 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6536 (*movhi_68hc12, *movqi_68hc12): Likewise.
6537 (movstrictqi): Make sure reloading in D_REGS as a destination
6540 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6542 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6544 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6546 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6547 -D, -U and -A, and don't initialize the builtins.
6548 (do_includes): Error if -include or -imacros with -fpreprocessed.
6549 * cppmain.c (cb_define, cb_undef): Unconditionally process
6551 * tradcpp.c (main): Fix typo.
6553 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6555 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6556 (read_name_map): Use IS_ABSOLUTE_PATH.
6557 * tradcpp.c (get_filename): Likewise.
6559 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6561 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6562 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6563 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6564 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6565 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6566 (cmphi_z_used): Don't use '@' for the output.
6567 (tstqi_z_used): Likewise.
6568 (cmpqi_z_used): Likewise.
6569 (one_cmplsi2): Likewise.
6571 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6573 * config/sh/sh.c (barrier_align): Recognize branch around far
6574 branch and redundant insn.
6576 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6578 * invoke.texi: Restore documentation of the drivers' switches -MD
6581 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6583 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6585 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6586 check-objc//%): Support parallel testing of multilibs.
6587 (TESTSUITEDIR): Set to testsuite by default, but override for
6589 (check-gcc, check-g++, check-g77, check-objc): Enter
6592 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6594 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6595 * sched-deps.c (deps_may_trap_p): Likewise.
6596 * basic-block.h: Remove a comment.
6597 * flow.c (PROP_POSTRELOAD): Remove.
6598 (update_life_info): Don't add it to prop_flags.
6599 (mark_set_1): Lose the code that was enabled by it.
6601 2001-01-11 Michael Hayes <mhayes@redhat.com>
6603 * flow.c (flow_call_edges_add): New.
6604 * basic_block.h (flow_call_edges_add): New.
6606 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6608 * reload1.c (move2add_note_store): Update reg_set_luid even if
6609 base reg remains the same.
6611 2001-01-10 Nick Clifton <nickc@redhat.com>
6613 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6614 machine_function structure to zero.
6615 Add prototypes for machine_status functions.
6617 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6619 * c-common.h (CTI_VOID_LIST): Remove.
6620 (void_list_node): Likewise.
6621 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6622 (void_list_node): New macro.
6623 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6624 * config/i386/i386.c (ix86_init_builtins): Likewise.
6625 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6627 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6629 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6630 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6632 * tradcpp.c: Include mkdeps.h.
6633 (deps, print_deps_phony_targets, deps_append, output_deps,
6634 init_dependency_output, output_deps): New.
6635 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6636 deps_output): Delete.
6637 (print_deps_missing_files): Rename deps_missing_files.
6638 (inhibit_output): Make global.
6639 (main): Delete inhibit_output, deps_stream, deps_target.
6640 Use mkdeps functionality in the same way as cpplib. Remove
6641 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6642 -M and -MM. Remove old handling of deps via deps_out, and
6643 old reading of environment variables.
6644 (get_filename): Update to use deps_add_dep.
6646 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6648 * output.h (make_function_rtl): Remove prototype.
6649 (make_decl_rtl): Likewise.
6650 * varasm.c (make_function_rtl): Remove.
6651 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6652 than from a third parameter.
6653 * tree.h (make_decl_rtl): Remove last parameter.
6654 * c-decl.c (builtin_function): Remove last argument in call to
6655 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6656 (start_function): Likewise.
6657 * except.c (call_get_eh_context): Likewise.
6658 * expr.c (emit_block_move): Likewise.
6659 (clear_storage): Likewise.
6660 * profile.c (output_func_start_profiler): Likewise.
6661 * toplev.c (rest_of_decl_compilation): Likewise.
6662 * objc/objc-act.c (create_builtin_decl): Likewise.
6663 (synth_module_prologue): Likewise.
6664 (generate_static_reference): Likewise.
6665 (build_selector_reference_decl): Likewise.
6666 (build_class_reference_decl): Likewise.
6667 (build_objc_string_decl): Likewise.
6668 (build_protocol_reference): Likewise.
6670 2001-01-10 Richard Henderson <rth@redhat.com>
6672 * hwint.h: Revert yesterday's change.
6674 2001-01-10 Nick Clifton <nickc@redhat.com>
6676 * function.h (save_machine_status): Delete.
6677 (restore_machine_status): Delete.
6678 Amend comment describing {init|mark|free}_machine_status.
6680 * function.c (save_machine_status): Delete.
6681 (restore_machine_status): Delete.
6682 Amend comment describing {init|mark|free}_machine_status.
6683 (push_function_context_to): Remove invocation of
6684 save_machine_status.
6685 (pop_function_context_from): Remove invocation of
6686 restore_machine_status.
6688 * emit-rtl.c (init_emit_once): Amend comment describing
6689 {init|mark|free}_machine_status.
6691 * tm.texi (Per-Function Data): New node. Describe the
6692 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6695 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6697 * cppinit.c (OPT_g): Remove.
6698 (cpp_handle_option): Update for removed -g3.
6699 (print_help): Update.
6700 * cpplib.h (struct cpp_options): Remove debug_output.
6701 * cppmain.c (setup_callbacks, cb_define): Update.
6702 * gcc.c (cpp_options): Translate -g3 to -dD.
6704 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6706 * config/i960/i960.md: Change modifier to + on the zero_extract
6707 pattern after the (rotate -2 reg) canonicalization pattern.
6709 2001-01-10 Richard Henderson <rth@redhat.com>
6711 * config/alpha/alpha.c (alpha_free_machine_status): New.
6712 (override_options): Install it.
6713 (alpha_mark_machine_status): Verify machine non-null.
6714 * config/i386/i386.c (ix86_free_machine_status): New.
6715 (override_options): Install it.
6716 (ix86_init_machine_status): Use xcalloc.
6717 (ix86_mark_machine_status): Verify machine non-null.
6718 * config/ia64/ia64.c (ia64_free_machine_status): New.
6719 (ia64_override_options): Install it.
6720 (ia64_mark_machine_status): Verify machine non-null.
6722 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6724 * function.c (instantiate_virtual_regs): Instantiate virtual
6725 registers found in CALL_INSN_FUNCTION_USAGE.
6727 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6729 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6730 equivalent to -ansi in disabling -Di386.
6732 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6734 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6736 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6738 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6740 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6742 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6744 * invoke.texi: Document that -fcond-mismatch isn't supported for
6747 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6749 * gcc.texi: Define macro gcctabopt.
6750 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6751 @command, @env and @option in some places where appropriate. Use
6752 @gcctabopt where appropriate. Put URLs and email addresses inside
6755 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6757 * gcc.c (cpp_options): Set MD file name from output
6758 filename, if specified.
6759 (suffix_subst): New static variable.
6760 (do_spec): Clear it.
6761 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6763 (give_switch): Handle suffix_subst.
6765 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6767 * invoke.texi: Fix another typo.
6769 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6771 * invoke.texi: Fix typo.
6773 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6775 * c-lang.c (lang_hooks): Update.
6776 (lang_decode_option): Remove.
6777 (lang_init_options): Rename c_init_options.
6778 * toplev.c (main): Use lang_hooks for lang_init_options
6779 and lang_decode_option.
6780 * toplev.h (lang_hooks): Add 2 new hooks.
6781 * tree.h: Remove lang_init_options and lang_decode_option.
6782 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6783 * cp/decl2.c: Similarly.
6784 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6785 (lang_hooks): Update.
6786 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6788 (lang_init_options): Rename ffe_init_options.
6789 (lang_hooks): Update.
6790 (lang_decode_option): Remove.
6791 * java/lang.c (lang_init_options): Rename java_init_options.
6792 (lang_decode_option): Rename java_decode_option.
6793 (lang_hooks): Update.
6794 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6795 (lang_decode_option): Rename objc_decode_option.
6796 (lang_hooks): Update.
6798 2001-01-09 Nick Clifton <nickc@redhat.com>
6800 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6801 (d30v_return_addr_rtx): Delete.
6802 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6803 cfun->machine structure.
6804 (struct machine_function): Move to d30v.h
6805 (d30v_save_machine_status): Delete.
6806 (d30v_restore_machine_status): Delete.
6807 (d30v_init_machine_status): New Function.
6808 (d30v_mark_machine_status): New Function.
6809 (d30v_free_machine_status): New Function.
6810 (d30v_init_expanders): Use new functions.
6811 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6812 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6813 d30v_return_addr_rtx.
6815 * config/d30v/d30v.h (struct_machine): Move here.
6816 Add eh_epilogue_sp_ofs field.
6818 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6819 field in cfun->machine structure.
6821 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6823 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6824 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6825 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6827 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6829 * objc/lang-options.h: Remove bogus reference to
6832 2001-01-09 Kazu Hirata <kazu@hxi.com>
6834 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6837 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6839 * reload.c (find_reloads_address): Check for eliminable registers
6840 when substituting a constant expression for a pseudo.
6842 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6844 * c-common.c (enum format_type): Add format_type_error.
6845 (decode_format_type): New function.
6846 (decl_attributes): Use it.
6847 (format_kind_info): Adjust comment.
6849 2001-01-09 David O'Brien <obrien@BSDi.com>
6851 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6852 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6854 * config/i386/gnu.h: Don't include required platform specific .h files,
6855 tm.h will do it instead.
6856 * config/i386/i386elf.h: Likewise.
6857 * config/i386/linux.h: Likewise.
6858 * config/i386/moss.h: Likewise.
6859 * config/mips/gnu.h: Likewise.
6861 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6863 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6864 (rs6000-ibm-aix3.[01]*): Likewise.
6865 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6866 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6867 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6868 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6869 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6870 (powerpc-*-eabiaix*): Likewise.
6871 (powerpc-*-eabisim*): Likewise.
6872 (powerpc-*-elf*): Likewise.
6873 (powerpc-*-eabi*): Likewise.
6874 (powerpc-*-rtems*): Likewise.
6875 (powerpc-*-linux*libc1): Likewise.
6876 (powerpc-*-linux*): Likewise.
6877 (powerpc-wrs-vxworks*): Likewise.
6878 (powerpcle-wrs-vxworks*): Likewise.
6879 (powerpcle-*-sysv*): Likewise.
6880 (powerpcle-*-elf*): Likewise.
6881 (powerpcle-*-eabisim*): Likewise.
6882 (powerpcle-*-eabi*): Likewise.
6883 (powerpcle-*-solaris2*): Likewise.
6884 * config/rs6000/aix31.h: Delete includes.
6885 * config/rs6000/aix3newas.h: Likewise.
6886 * config/rs6000/aix41.h: Likewise.
6887 * config/rs6000/aix43.h: Likewise.
6888 * config/rs6000/beos.h: Likewise.
6889 * config/rs6000/rtems.h: Likewise.
6890 * config/rs6000/sysv4.h: Likewise.
6892 2001-01-09 Kazu Hirata <kazu@hxi.com>
6894 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6895 Change an argument mode of machine_mode to shift_mode of
6896 shift_mode. Remove an extra error check.
6897 (emit_a_shift): Adopt to the new calling prototype of
6899 (function_prologue): Fix code for a monitor
6900 function. Support H8/S.
6901 (function_epilogue): Do not output pop for a monitor function.
6903 2001-01-09 Nick Clifton <nickc@redhat.com>
6905 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6906 (setup_incoming_varargs): Use sysv_varargs_p field of the
6907 cfun->machine structure.
6908 (struct machine_function): Move to rs6000.h
6909 (rs6000_save_machine_status): Delete.
6910 (rs6000_restore_machine_status): Delete.
6911 (rs6000_init_machine_status): New Function.
6912 (rs6000_free_machine_status): New Function.
6913 (rs6000_init_expanders): Use new functions.
6915 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6917 (struct machine_function): Move here.
6919 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6920 sysv_varargs_p field of the cfun->machine structure.
6922 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6924 (rs6000_restore_machine_status): Remove prototype.
6926 2001-01-09 Richard Henderson <rth@redhat.com>
6928 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6929 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6930 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6931 (sched_analyze_2, sched_analyze_insn): Likewise.
6932 (sched_analyze, init_deps): Likewise.
6933 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6934 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6935 (compute_block_backward_dependences): Update propagate_deps call.
6937 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6939 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6941 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6943 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6944 (cpp_handle_option): Handle them.
6945 (cpp_post_options): Ensure one of -M or -MM is specified with
6946 any other -M? option.
6947 (init_dependency_output): Suppress output with -MG.
6949 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6952 * invoke.texi: Update.
6954 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6956 * sh.md (reload_outsf): Generate recognizable patterns for
6959 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6961 * c-lang.c (lang_hooks): Update.
6962 (lang_init): Rename c_init.
6963 (lang_finish): Remove.
6964 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6966 * toplev.h (lang_hooks): Add init () and finish ().
6967 * tree.h (lang_init, lang_finish): Remove.
6968 * cp/tree.h (lang_init, lang_finish): Remove.
6969 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6970 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6972 (lang_init, lang_finish): Remove.
6973 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6974 (lang_hooks): Update.
6975 * java/lang.c (lang_init): Rename java_init.
6976 (lang_finish): Remove.
6977 (lang_hooks): Update.
6978 * objc/objc-act.c (lang_init): Rename objc_init.
6979 (lang_finish): Remove.
6980 (lang_hoooks): Update.
6982 20001-01-09 Graham Stott <grahams@redhat.com>
6984 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6985 after `ptr` is initialised.
6987 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6989 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6990 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6991 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6992 stack adjusts, instead of r3.
6994 2001-01-09 Michael Hayes <mhayes@redhat.com>
6996 * flow.c (flow_loop_scan): Break out of ...
6997 (flow_loops_find) ... here.
6998 * basic-block.h (flow_loop_scan): New.
6999 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7000 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7002 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7004 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7006 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7007 realloc()ing macro_buffer.
7009 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7010 if it's wider than long and the target's long is wider than the
7013 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7015 Remove support for using UWIN as a host machine.
7016 * configure.in: Issue an error message.
7017 * configure: Regenerated.
7018 * config.gcc: Remove xm_* UWIN configury.
7019 * config/i386/xm-uwin.h: Remove.
7021 2001-01-08 Nick Clifton <nickc@redhat.com>
7023 * config/v850/v850.c (ra_rtx): Delete.
7024 (v850_save_machine_status): Delete.
7025 (v850_restore_machine_status): Delete.
7026 (v850_init_machine_status): New function.
7027 (v850_mark_machine_status): New function.
7028 (v850_free_machine_status): New function.
7029 (v850_return_addr): Use ra_rtx field in machine structure.
7030 (v850_init_expanders): Use new functions.
7032 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7033 * config/v850/v850.c: Change arguments to v850_output+* functions
7034 to take a const char *, to avoid compile time warning.
7035 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7036 (USER_LABEL_PREFIX): Redefine.
7038 2000-01-08 Jim Wilson <wilson@redhat.com>
7040 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7041 1 to unsigned HOST_WIDE_INT before left shift.
7043 2001-01-08 Nick Clifton <nickc@redhat.com>
7045 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7046 the machine structure has been allocated.
7047 (arm_free_machine_status): New function: Free the machine
7048 specific function structure.
7050 2001-01-08 Richard Henderson <rth@redhat.com>
7052 * jump.c (simplejump_p): Revert last change.
7054 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7056 * cppinit.c (init): Rename init_library.
7057 (cpp_create_reader): Update.
7058 * gcc.c (cpp_options): If -o given, use it as the target of
7061 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7063 * arm.c (arm_arch5e): New variable.
7064 (all_cores): XScale is a 5TE device.
7065 (arm_override_options): Set arm_arch5e.
7066 (arm_init_builtins): __builtin_prefetch is in arch5e.
7067 * arm.h (arm_arch5e): Declare it.
7069 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7071 * arm.md (define_constants): Add defines for UNSPEC and
7072 UNSPEC_VOLATILE insns. Update all users.
7073 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7074 * arm.c (multi_register_push, note_invalid_constants)
7075 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7076 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7077 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7079 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7081 * jump.c (jump_optimize_1): Use reversed_comparison_code
7082 instead of can_reverse_comparison_p.
7083 (jump_back_p): Likewise.
7084 (invert_exp_1): Likewise.
7085 (thread_jumps): Likewise.
7086 * simplify-rtx.c (simplify_unary_operation): Likewise.
7087 (simplify_ternary_operation): Likewise.
7088 * cse.c (find_comparison_args): Convert to use
7089 can_reverse_comparison_p.
7090 (record_jump_equiv): Likewise.
7092 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7094 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7095 (EPILOGUE_USES): Define.
7096 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7097 automatically stack the LR if it isn't live.
7099 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7101 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7104 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7106 * ggc-page.c (max_alignment): New structure.
7107 (MAX_ALIGNMENT): New macro.
7108 (init_ggc): Use it to round up the sizes in the
7109 extra_order_size_table.
7111 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7113 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7116 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7118 * builtins.def (BUILT_IN_FPRINTF): New entry.
7120 * c-common.c (c_expand_builtin_fprintf): New function.
7121 (init_function_format_info): Handle __builtin_fprintf.
7122 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7123 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7125 * c-decl.c (duplicate_decls): Adjust comment.
7127 * extend.texi (fprintf): Document new builtin.
7129 2001-01-07 Richard Henderson <rth@redhat.com>
7131 * jump.c (simplejump_p): Recognize any single_set jump
7134 2001-01-07 Richard Henderson <rth@redhat.com>
7136 * configure.in (slibdir): Accept an --with-slibdir option.
7137 Use "test" not "[" in configure. Default to $(libdir).
7139 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7141 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7142 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7143 (SHLIB_LINK): Create links for the soname.
7144 * config/mips/t-iris6: Likewise.
7145 * config/sparc/t-slibgcc: Likewise.
7146 * config/sparc/t-slibgcc-sld: Likewise.
7148 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7150 * config/i386/i386.c (constant_call_address_operand): Accept
7151 (const (plus (symbol_ref) (const_int))).
7152 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7153 constant_call_address_operand.
7155 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7157 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7158 and LONG_LONG_TYPE_SIZE > 32.
7160 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7162 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7163 the previous change.
7165 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7167 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7169 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7170 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7171 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7174 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7176 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7178 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7180 * c-lang.c (c_post_options): Call cpp_post_options.
7181 * objc/objc-act.c (objc_post_options): Similarly.
7182 * cppmain.c (main): Similarly.
7183 * fix-header.c (read_scan_file): Similarly.
7184 * cppinit.c (cpp_start_read): Move option consistency checks
7185 to cpp_post_options. Don't call init_dependency_output.
7186 If needed, add default target and main file dependency.
7187 (OPT_MD, OPT_MMD): Remove.
7189 (cpp_handle_option): Update for OPT_* changes.
7190 (cpp_post_options): New.
7191 (init_dependency_output): Command line -MF overrides environment
7192 variables. Don't set default target etc. Suppress output
7193 if dependencies are going to stdout.
7194 (print_help): Update.
7195 * cpplib.h (cpp_post_options): New.
7196 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7198 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7200 * jump.c (comparison_dominates_p): Support unordered compares.
7202 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7204 * simplify-rtx.c (simplify_relational_operation): Always simplify
7205 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7208 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7210 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7211 (nonzero_bits): Likewise.
7212 (simplify_comparison): Likewise.
7213 (num_sign_bit_copies): Likewise; return more sane value depending
7214 on STORE_FLAG_VALUE.
7215 (known_cond): Do not assume EQ to be always true for equivalent
7218 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7220 * cse.c (fold_rtx): Handle unordered comparisons.
7222 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7224 * rtlanal.c (set_of_1): New static function.
7225 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7226 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7227 reg_set_last_last_regno): Remove.
7228 (set_of): New global function.
7229 (set_of_data): New structure.
7230 (reg_set_p, reg_set_last): Revamp for set_of.
7231 * rtl.h (set_of): New.
7233 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7235 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7236 * extend.texi: Document _Exit builtin.
7238 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7240 * (initialize, initialize_builtins,
7241 initialize_dependency_output, initialize_standard_includes):
7242 Rename s/initialize/init. Update.
7243 (init_dependency_output): Move to after
7244 cpp_handle_options, the correct location temporally at least.
7245 (opt_comp): Move next to init (), its caller. Fix prototype.
7246 (init): Make "initialized" local scope.
7247 (cpp_create_reader): Always call init ().
7248 (cpp_start_read): Update.
7249 (output_deps): New function, broken out of cpp_finish.
7250 (cpp_finish): Break out output_deps.
7252 2001-01-07 Richard Henderson <rth@redhat.com>
7254 * collect2.c (COFF specific stuff): Revert 12-06 patch
7255 to prototype system functions.
7257 2001-01-07 Michael Hayes <mhayes@redhat.com>
7259 * hard-reg-set.h: Add multiple include guard.
7260 * basic-block.h (struct loop): Add `sink' field.
7261 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7262 (emit_iv_add_mult): Delete.
7263 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7264 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7265 (unroll_loop): Remove end_insert_before argument.
7266 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7267 (maybe_eliminate_biv_1): Likewise.
7268 (emit_iv_add_mult): Delete.
7269 (gen_add_mult, loop_regs_update): New.
7270 (loop_insn_emit_after, loop_insn_emit_before): New.
7271 (loop_insn_sink, loop_insn_sink_or_swim): New.
7272 (emit_iv_add_mult): Delete.
7273 (scan_loop): Set loop->sink.
7274 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7275 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7276 (maybe_eliminate_biv_1): Likewise.
7277 (maybe_eliminate_biv_1): Add basic block argument.
7278 * unroll.c (unroll_loop): Remove end_insert_before argument.
7279 (find_splittable_regs): Likewise.
7280 (find_splittable_regs): Use loop_insn_sink and its ilk.
7281 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7283 2001-01-07 Michael Hayes <mhayes@redhat.com>
7285 * loop.h (loop_insn_hoist): New prototype.
7286 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7287 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7288 (check_dbra_loop, load_mems): Likewise.
7289 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7290 (find_splittable_givs): Likewise.
7292 2001-01-07 Michael Hayes <mhayes@redhat.com>
7294 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7296 2001-01-07 Richard Henderson <rth@redhat.com>
7298 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7300 2001-01-07 Richard Henderson <rth@redhat.com>
7302 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7303 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7304 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7305 variant that handles a shared libgcc.
7306 (process_command): Always validate -{static,shared}-libgcc.
7307 (do_spec_1): New 'M' case.
7308 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7310 2001-01-07 Richard Henderson <rth@redhat.com>
7312 * Makefile.in (slibdir): New variable.
7313 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7314 (installdirs): Create slibdir.
7315 (install-libgcc, install-multilib): Defer to libgcc.mk.
7316 * configure.in (slibdir): Substitute.
7317 * mklibgcc.in (install): New target.
7319 * config/t-linux (SHLIB_LINK): Create links for the soname.
7320 (SHLIB_INSTALL): New.
7321 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7322 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7323 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7324 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7325 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7327 2001-01-07 Richard Henderson <rth@redhat.com>
7329 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7330 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7331 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7333 2001-01-07 Michael Hayes <mhayes@redhat.com>
7335 * loop.c (count_loop_regs_set): Delete.
7336 (load_mems_and_recount_loop_regs_set): Delete.
7337 (loop_regs_scan): Merge common code from count_loop_regs_set,
7338 scan_loop, and load_mems_and_recount_loop_regs_set.
7339 (scan_loop): Call load_mems directly and loop_regs_scan
7340 again if new registers created.
7342 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7344 * toplev.c (main): Call the front-end specific post_options
7345 hook if one is given.
7346 * toplev.h (struct_lang_hooks, lang_hooks): New.
7347 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7348 for the C front end.
7349 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7350 lang_hooks for the C++ front end.
7351 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7352 lang_hooks for the ObjC front end.
7353 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7354 * java/lang.c (lang_hooks): Hooks for the Java front end.
7356 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7358 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7359 for verbose DWARF[2] debugging.
7360 (cb_define, cb_undef): The new callbacks.
7361 * toplev.h (debug_define, debug_undef): Make const correct.
7362 * toplev.c (debug_define, debug_undef): Similarly. Do not
7363 perform the verbosity tests here anymore.
7365 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7367 * reload.c (subst_reloads): Take INSN argument. When
7368 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7369 * reload.h (subst_reloads): Adjust prototype.
7370 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7371 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7372 present in JUMP_INSNs and copy them to JUMP_LABEL.
7373 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7374 JUMP_INSNs and insns with REG_LABELs that are followed by
7375 JUMP_INSNs with the same REG_LABEL.
7376 * sched-rgn.c (is_cfg_nonregular): Likewise.
7377 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7379 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7381 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7383 2001-01-06 Richard Henderson <rth@redhat.com>
7385 * loop.c (scan_loop): Use xcalloc for the regs array.
7386 (load_mems_and_recount_loop_regs_set): Zero the new memory
7387 received from xrealloc.
7389 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7391 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7393 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7395 * integrate.c (copy_rtx_and_substitute): When copying
7396 an ignored return value, strip REG_FUNCTION_VALUE_P.
7398 2001-01-06 Michael Hayes <mhayes@redhat.com>
7400 * loop.c (debug_biv, debug_giv): New.
7401 (loop_biv_dump): Break out from ...
7402 (record_biv): ... here.
7403 (loop_giv_dump): Break out from ...
7404 (record_giv): ... here.
7405 (loop_bivs_check): Use print_simple_rtl.
7406 * unroll.c (loop_iterations): Use print_simple_rtl.
7408 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7410 * pa.md (return, return_internal): Modify patterns to prevent regrename
7411 mucking with the return pointer.
7413 2001-01-05 Richard Henderson <rth@redhat.com>
7415 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7417 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7419 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7420 version supplied by Matteo Frigo.
7422 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7424 * cpp.texi: Update for -MQ.
7425 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7426 (cpp_cleanup): Always free pfile->deps.
7427 (initialize_dependency_output): Don't create pfile->deps.
7428 (cpp_handle_option): Similarly.
7430 * gcc.c (cpp_options): Handle -MQ.
7431 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7432 * mkdeps.c (base_name): Remove.
7433 (deps_init): Don't allocate vector space until it's needed.
7434 (deps_free): Only free vectors if allocated.
7435 (deps_add_target, deps_add_dep): Update for initial allocation.
7436 (deps_add_default_target): Don't strip to the base_name.
7438 2001-01-05 DJ Delorie <dj@redhat.com>
7440 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7441 (INIT_EXPANDERS): Define.
7443 * config/v850/v850.c (struct machine_function): Define.
7444 (v850_save_machine_status): New function.
7445 (v850_restore_machine_status): New function.
7446 (v850_return_addr): New function.
7447 (v850_init_expanders): New function.
7449 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7450 and v850_init_expanders.
7452 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7454 * cpplib.h (struct cpp_reader): Add help_only field.
7455 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7456 (cpp_handle_option): Set pfile->help_only if we see -h,
7457 --help, -target-help, or --version. Print version string but
7458 do not set help_only if we see -v or -version. Make text
7459 printed by -v match that printed by (-)-version.
7461 * cppmain.c (main): Exit after option parsing if
7462 pfile->help_only is true.
7464 * toplev.c (independent_decode_option): Call print_version,
7465 then exit, if we see --version (but not -version).
7466 (print_version): Split lengthy message into two lines.
7468 2001-01-05 Nick Clifton <nickc@redhat.com>
7470 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7471 temporary string for initialisation before calling ggc_alloc_string.
7473 2001-01-06 Michael Hayes <mhayes@redhat.com>
7475 * rtl.h (print_simple_rtl): New.
7476 * print-rtl.c (print_simple_rtl): New.
7478 (print_rtx): Disable printing of flags and modes, etc.,
7479 if `flag_simple` nonzero.
7481 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7483 * function.c (fixup_var_refs): Use push_to_full_sequence where
7486 2001-01-05 Michael Meissner <meissner@redhat.com>
7488 * flags.h (flag_reorder_blocks): Add declaration.
7489 (flag_rename_block): Ditto.
7491 2001-01-05 DJ Delorie <dj@redhat.com>
7493 * function.c (reorder_blocks): Make sure the flags are all reset
7494 before using them to mark blocks, else a second invocation will
7495 corrupt the block chain.
7496 (reorder_blocks_0): New, resets the flags.
7498 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7500 * cse.c (find_comparison_args): Stop if the argument is known to
7503 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7505 * config/sh/sh.md (movdf): When splitting load into pair of
7506 registers, don't clobber the register used in the address too
7509 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7511 * varasm.c (mark_constant_pool): Improve initial comments.
7512 (mark_constants): Move marking of constants to mark_constant.
7513 (mark_constant): New function to recursively mark all constants
7514 referred to by a constant.
7516 2001-01-05 Catherine Moore <clm@redhat.com>
7518 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7520 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7522 * cp/lang-options.h: Bring comment in line with reality.
7523 * f/lang-options.h: Likewise.
7524 * java/lang-options.h: Likewise.
7525 * objc/lang-options.h: Likewise.
7526 * ch/lang-options.h: Likewise.
7527 * f/g77.texi: And update the manual.
7529 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7530 Denis Chertykov <denisc@overta.ru>
7532 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7533 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7534 * config/avr/avr.md (all peepholes that request a scratch register):
7535 Call it, FAIL the peephole if not safe (in interrupt functions).
7537 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7539 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7541 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7543 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7545 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7546 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7547 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7548 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7549 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7551 * extend.texi: Document these builtins.
7553 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7555 * c-common.c (lang_get_alias_set): Say we know nothing of
7556 VECTOR_TYPE aliasing.
7558 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7560 2001-01-05 Bruce Korb <bkorb@gnu.org>
7562 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7563 their x* equivalent versions for atexit-less systems
7564 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7565 systems (or any other system any more).
7567 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7569 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7570 output operands. Use arm_hard_register_operand for operand 4.
7571 (stmsi_postinc): Similarly.
7572 (ldmsi): Use arm_hard_register_operand for opernand 2.
7574 * arm.c (arm_hard_register_operand): New function.
7575 * arm-protos.h (arm_hard_register_operand): Prototype it.
7577 * arm.h (HARD_REGNO_RENAME_OK): Define.
7579 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7581 * simplify-rtx.c (cfc_args): add "unordered" field.
7582 (check_fold_consts): Set unordered field.
7583 (simplify_relational_operation): Simplify the unordered
7586 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7589 * emit-rtl.c (try_split): Fix code to mark labels.
7590 * jump.c (mark_jump_label): Make global.
7591 * rtl.h (mark_jump_label): Declare.
7593 * predict.c (estimate_probability): Handle unordred comparisons.
7595 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7597 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7598 * cppinit.c (initialize_dependency_output): Update.
7599 (cpp_finish): Output dummy targets for -MP.
7601 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7602 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7603 * gcc.c (cpp_options): Update to handle -MP.
7604 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7605 to quote only the default target.
7606 (deps_phony_targets): Insert a preceding newline. Rename from
7607 deps_dummy_targets for consistency.
7610 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7612 * calls.c (emit_library_call_value_1): Support
7613 INIT_CUMULATIVE_LIBCALL_ARGS.
7614 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7616 2001-01-04 Richard Henderson <rth@redhat.com>
7618 * c-decl.c (finish_struct): Detect flexible array members
7619 used in an inappropriate context.
7620 * c-typeck.c (really_start_incremental_init): Special case
7621 constructor_max_index for zero length arrays.
7622 (pop_init_level): Allow initialization of flexible array
7623 members. Deprecate initialization of zero length arrays.
7624 Don't issue missing initializer warning for flexible array
7625 members or zero length arrays.
7626 (process_init_element): Don't dereference null DECL_SIZE.
7627 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7628 Don't abort for empty constructors. Use size_binop
7629 (output_constructor): Add commentary regarding zero length
7630 array futures. Abort if we try to initialize an array of
7631 unspecified length with a non-empty constructor in the middle
7634 * extend.texi (Zero Length): Update and clarify documentation
7635 on static initialization.
7637 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7639 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7640 with more than 32767 words of local storage.
7642 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7644 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7645 for 'abs', 'labs', and 'fabs'.
7646 (c4x_expand_builtin): Likewise.
7647 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7649 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7651 * config/sh/sh.md (prget, prset): New insn types.
7652 (return delay slot): Dont' allow prset.
7653 (call, sfunc delay slot): Don't allow prget.
7654 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7655 for prset and prget.
7657 2001-01-05 Michael Hayes <mhayes@redhat.com>
7659 * loop.h (struct loop_reg): New.
7660 (struct loop_regs): Change to use array of `struct loop_reg'.
7661 * loop.c: Replace assortment of varrays with single regs array.
7662 (count_one_set): Delete may_not_move array argument
7663 and use regs array instead. All caller's changed.
7664 (count_loop_regs_set): Delete may_not_move and single_usage
7665 arguments and use regs array instead. All caller's changed.
7666 (find_single_use_in_loop): Replace usage array argument with pointer
7667 to regs structure. All caller's changed.
7668 (loop_optimize): Delete `moved_once' array.
7670 2001-01-05 Michael Hayes <mhayes@redhat.com>
7672 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7673 Use it instead of loop_info->has_call for scanning loop mems.
7674 (check_dbra_loop): Replace loop_info->has_call test with
7675 loop_info->has_nonconst_call.
7677 2000-01-04 Matthew Hiller <hiller@redhat.com>
7679 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7682 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7684 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7685 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7687 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7689 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7690 (flag_short_double, flag_short_wchar): Define.
7691 (c_common_nodes_and_builtins): Create many tree nodes shared
7692 between C and C++ here instead of in cp/decl.c and ...
7693 * c-decl.c (init_decl_processing): ... here.
7694 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7695 (flag_short_double, flag_short_wchar): Don't define.
7696 (record_builtin_type): New function.
7697 (build_void_list_node): New function.
7698 * c-common.h (flag_short_double, flag_short_wchar,
7699 record_builtin_type, build_void_list_node): Declare.
7701 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7703 * integrate.c (expand_inline_function): Don't put a virtual
7704 register into the reg map.
7706 * function.c (fixup_var_refs_1): If force_operand didn't put
7707 the address into the target, move it there.
7709 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7711 Special-case tree_decl/tree_list allocations.
7712 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7713 (OBJECT_SIZE): New macro.
7714 (NUM_EXTRA_ORDER): Likewise.
7715 (extra_order_size_table): New variable.
7716 (NUM_ORDERS): New macro.
7717 (objects_per_page_table): New variable.
7718 (object_size_table): New variable.
7719 (G.pages): Use NUM_ORDERS to bound the array.
7720 (G.page_tails): Likewise.
7721 (DIV_ROUND_UP): Remove.
7722 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7723 (alloc_page): Use OBJECT_SIZE.
7724 (size_lookup): Don't make it const.
7725 (ggc_alloc): Use OBJECT_SIZE.
7726 (ggc_set_mark): Likewise.
7727 (ggc_get_size): Likewise.
7728 (init_ggc): Set up the object_size_table, objects_per_page_table,
7729 and adjust size_lookup.
7730 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7731 (ggc_pop_context): Use NUM_ORDERS.
7732 (clear_marks): Likewise.
7733 (sweep_pages): Likewise.
7734 (poison_pages): Likewise.
7735 (ggc_print_statistics): Use OBJECT_SIZE.
7737 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7739 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7740 Only call array_size_for_constructor if last field and array type
7741 with no upper bound.
7743 2001-01-04 Philip Blundell <philb@gnu.org>
7745 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7746 from bit 31 downwards, if this requires no more insns.
7747 (count_insns_for_constant): New helper function for above.
7749 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7751 * gencodes.c (output_predicate_decls): Remove empty initializer.
7753 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7755 * tree.c (copy_node): Remove documentation about obstacks.
7756 (buidl1): Check that nobody tries to build 2-argument nodes this
7759 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7761 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7764 * gencodes.c (output_predicate_decls): Fill empty initializer
7767 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7769 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7770 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7772 (do_include): Handle missing headers like cpp0.
7773 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7774 paths with first include pathname. Don't strcat to uninitialized
7777 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7779 * regrename.c (regrename_optimize): Don't rename from frame pointer
7780 if frame_pointer_needed.
7781 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7782 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7783 (ia64_reorg): Use it instead of scheduling if ! optimize.
7784 (errata_emit_nops): Properly call asm_noperands.
7785 (ia64_sched_reorder): Finish cycle if we see an asm.
7786 (ia64_variable_issue): Clear scheduling state after asms.
7788 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7790 * cpp.texi: Update for -MT.
7791 * cppinit.c (initialize_dependency_output): Add a default
7792 target if none has been given already.
7793 (no_tgt, OPT_MT): New.
7794 (cpp_handle_option): Handle -MT. Update -M etc.
7795 * cpplib.h (struct cpp_options): Remove deps_target.
7796 * gcc.c (cpp_options): Handle -MT.
7797 * mkdeps.c (struct deps): Move from mkdeps.h.
7798 (deps_calc_target): Rename deps_add_default_target. Add a
7799 default target if none has been specified already.
7800 * mkdeps.h (struct deps): Move to mkdeps.c.
7801 (deps_calc_target): Rename deps_add_default_target.
7803 2000-01-03 Richard Henderson <rth@redhat.com>
7805 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7807 * c-typeck.c (push_init_level): Move checks for flexible array
7808 members and zero length arrays ...
7809 (pop_init_level): ... here. Silently discard empty initializations.
7811 * varasm.c (output_constructor): Update for sizeof change to
7814 * extend.texi (Zero Length): Clarify semantics.
7816 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7818 * configure.in (tm.h): Include isns-codes.h last.
7819 * configure: Rebuilt.
7821 2001-01-03 Richard Henderson <rth@redhat.com>
7823 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7824 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7826 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7828 * tradcpp.c (main): Make sure finclude() is called with a valid
7829 indepth value while handling -include.
7831 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7833 * gencodes.c (output_predicate_decls): New function.
7835 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7836 even if it is not the first time machmode.h is #included.
7837 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7838 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7839 * gcc.texi (Copyright): Added 2001.
7841 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7843 * c-common.c (c_common_lang_init): New function. Warn if format
7844 warning options which only have effects when used with -Wformat
7845 are used without -Wformat.
7846 * c-common.h (c_common_lang_init): Declare.
7847 * c-lang.c (lang_init): Call c_common_lang_init.
7848 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7850 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7852 * configure.in: Check for the mktemp command.
7853 * configure: Regenerate.
7854 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7855 $TEMP. Create temporary files with mktemp, if available at
7856 configure time; otherwise use set -C. Remove temporary files
7859 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7861 * configure.in: Require at least texinfo 4.0. Check for whether
7862 Pod::Man is sufficiently recent to regenerate GCC manpages.
7863 * configure: Regenerate.
7864 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7866 (GENERATED_MANPAGES): Define.
7867 (generated-manpages): New target. Depend on cpp.1 as well as
7869 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7870 configure to generated-manpages or empty) rather than on the
7871 manpages directly. Remove execute permission from installed
7872 gcov.1 as well as cpp.1.
7873 * cpp.1, gcov.1: Regenerate.
7875 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7877 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7878 tree_low_cst. Allow using cmpstrsi in more cases.
7880 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7882 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7885 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7887 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7888 * Makefile.in (HOST_CFLAGS): Mention build-make.
7890 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7892 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7895 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7897 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7900 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7903 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7904 reg_base_value and reg_known_value arrays.
7905 (init_alias_analysis): Add more cases to detect known values.
7906 * sched-deps.c (deps_may_trap_p): New function.
7907 (sched_analyze_2): Use it.
7909 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7911 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7912 don't discard an ASHIFTRT if we're shifting in a wider mode.
7914 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7916 * toplev.c (rest_of_compilation): Don't print basic block information
7917 when CFG isn't up to date.
7919 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7921 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7922 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7923 (UNALIGNED_SHORT_ASM_OP): Define.
7924 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7926 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7928 * fold-const.c (fold_convert): Fix typo.
7930 2001-01-02 Richard Henderson <rth@redhat.com>
7932 * c-common.h (ASM_INPUT_P): New.
7933 * c-parse.in (asm): Set it when needed.
7934 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7935 existance of an operand.
7937 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7939 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7940 (dwarf2out_frame_debug_expr): Likewise.
7941 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7943 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7945 * i386.c (ix86_split_to_parts): Return number of part required;
7947 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7949 (ix86_split_long_move): Use number of part returned
7950 by ix86_split_to_parts
7951 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7953 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7954 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7955 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7956 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7957 (ALIGN_MODE_128): Add TFmode.
7958 (IS_STACK_MODE): Likewise.
7959 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7960 (HARD_REGNO_OK): Support TFmodes.
7961 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7962 * i386.md (scheduler definitions): Use memory operand to determine
7963 fst/fld instructions; use mode attribute to determine real mode of
7965 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7966 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7968 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7970 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7972 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7974 * expr.c (store_constructor_field): Update ALIGN before calling
7977 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7979 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7982 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7984 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7987 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7989 * c-decl.c (start_function): Don't warn on third parameter to main.
7991 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7993 * tsystem.h: Define HAVE_DECL_GETOPT.
7995 2001-01-02 Philip Blundell <pb@futuretv.com>
7997 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8000 2001-01-02 Richard Henderson <rth@redhat.com>
8002 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8004 2001-01-02 Andreas Jaeger <aj@suse.de>
8006 * c-decl.c (c_decode_option): Remove support of
8009 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8010 (W_options): Add -Wmissing-noreturn here.
8012 * flow.c: Define lang_missing_noreturn_ok_p.
8013 (check_function_return_warnings): Use it.
8015 * c-common.h: Declare lang_missing_noreturn_ok_p.
8017 * c-lang.c (c_missing_noreturn_ok_p): New function.
8018 (lang_init): Set lang_missing_noreturn_ok_p.
8020 * invoke.texi (Warning Options): Document this.
8022 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8024 * extend.texi (C++ Extensions): New node for C++ attributes;
8025 describe init_priority and com_interface.
8026 * invoke.texi: Remove -finit-priority as it now has zero effect.
8027 * install.texi: Fix xref syntax.
8028 * md.texi: Likewise.
8030 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8032 * config.gcc (sparc64-wrs-vxworks*): New case.
8033 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8035 * config/sparc/sparc.c (sparc_override_options): Do support different
8036 pointer and architecture size.
8037 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8038 (POINTERS_EXTEND_UNSIGNED): Define.
8039 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8040 (FUNCTION_MODE): Define to be Pmode.
8041 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8043 * function.c (expand_function_end): Properly handle DECL_RESULT
8044 and copy when ptr_mode != Pmode.
8045 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8047 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8049 * c-common.c (c_common_nodes_and_builtins): Set prototype
8050 parameters for __builtin_fputs, __builtin_fputc and
8051 __builtin_fwrite. Don't declare plain fputc as a builtin.
8053 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8055 * loop.c (add_label_notes): Increment the label usage count when
8056 a note is added to an insn which refers to a CODE_LABEL.
8057 * gcse.c (add_label_notes): Likewise.
8059 2001-01-01 Andreas Jaeger <aj@suse.de>
8061 * loop.c (scan_loop): Use xmalloc to allocate movables.
8063 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8065 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8066 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8067 * reload1.c (REGISTER_MOVE_COST): Likewise.
8068 * regclass.c (REGISTER_MOVE_COST): Likewise.
8069 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8070 dimension. Adjust all users.
8071 (init_reg_sets_1): Iterate on all modes.
8072 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8073 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8074 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8075 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8076 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8077 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8078 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8079 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8080 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8081 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8082 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8083 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8084 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8085 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8086 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8087 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8088 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8089 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8090 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8091 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8092 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8093 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8094 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8095 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8096 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8097 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8098 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8100 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8102 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8103 arg VARIES_P. Call it with extra arg.
8104 (true_dependence): Likewise.
8105 * rtl.h (rtx_addr_can_trap_p): Declare.
8106 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8108 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8109 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8110 pic offset table register if it's zero. All callers changed.
8111 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8113 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8115 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8116 STRING_POOL_ADDRESS_P.
8118 * config/sparc/sparc.c (input_operand): Properly test for short op.
8120 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8121 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8122 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8123 * config/sparc/elf.h: No longer include sol2.h.
8124 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8125 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8127 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8129 2001-01-01 Michael Hayes <mhayes@redhat.com>
8131 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8132 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8133 (record_initial): Likewise.
8134 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8135 (remap_split_bivs): Likewise.
8137 2001-01-01 Michael Hayes <mhayes@redhat.com>
8139 * loop.c (loop_ivs_free): New function.
8140 (strength_reduce): Break out from...
8142 2001-01-01 Michael Hayes <mhayes@redhat.com>
8144 * loop.h (struct iv): New.
8145 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8146 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8147 'reg_biv_class' fields with 'regs' and 'n_regs'.
8148 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8149 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8150 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8152 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8154 * resource.c (mark_referenced_resources): Abort() before
8155 attempting to mark a pseudo register.
8156 (mark_set_resources): Likewise.
8158 2001-01-01 Michael Hayes <mhayes@redhat.com>
8160 * loop.h (REG_IV_CLASS): New accessor macro.
8161 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8162 * unroll.c (REG_IV_CLASS): Likewise.
8164 See ChangeLog.4 for earlier changes.