1 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3 * ia64.c (ia64_flag_schedule_insns2): New variable.
4 (ia64_override_options): Initialize it. Clear
5 flag_schedule_insns_after_reload.
6 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
8 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
10 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
11 Do not require source to match destination anymore;
12 Add abort to the nontrivial cases that should be handled by split.
13 (fix_trunc?fdi): Add SSE case for x86_64.
14 (floatdi?f): Likewise.
16 (fix_trunc?fdi_sse): New.
18 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
20 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
21 (DEBUG_ARANGES_END_LABEL): Ditto.
22 (dwarfout_init): Generate length and version fields at the start
23 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
24 after the length field.
25 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
26 the .debug_aranges info.
28 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
30 * i386.c (call, call_value): Make sure that resulting call_insn
31 does have proper second operand.
33 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
35 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
36 function. Remove include of sys/cygwin.h.
38 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
40 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
41 (CPP_SPEC): Always search */include/w32api for header files.
42 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
43 (LINK_SPEC): Add "cyg" to the library search prefixes.
45 2001-04-08 Philip Blundell <philb@gnu.org>
47 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
49 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
51 * cpperror.c (print_location): Don't special case <stdin>.
52 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
53 WARNING, but we don't check if we're in system headers.
54 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
55 * cpplib.c (do_warning): Warn in system headers.
57 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
59 * mbchar.c: Include config.h first.
61 2001-04-07 Zack Weinberg <zackw@stanford.edu>
63 * config.gcc: Set default for xmake_file at top, not bottom.
64 Change places that set xmake_file to "none" to set to the
65 empty string instead, or remove them entirely if there is no
66 default xmake_file for this cpu_type. Remove references to
69 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
70 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
71 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
72 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
73 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
74 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
75 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
76 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
77 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
78 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
81 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
82 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
83 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
84 config/mips/x-sysv, config/rs6000/x-aix31:
85 Just set CLIB to -lld or -lmld, as appropriate.
87 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
88 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
89 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
90 config/mips/x-iris, config/pa/x-pa:
91 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
92 OTHER_FIXINCLUDES_DIRS.
94 * config/i386/x-djgpp: Don't set LN or LN_S.
95 * config/m88k/x-dolph: Don't define __m88k__.
96 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
97 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
98 * config/i860/fx2800.h: No need to #undef SVR4.
100 38 x-host fragments remain, 2 x-cpu.
102 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
104 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
106 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
108 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
110 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
112 * configure.in: Add check for lstat.
113 * configure, config.in: Regenerate.
114 * cppinit.c (append_include_chain): Make empty path ".".
115 * cpplib.c (do_line): Don't simplify #line paths.
116 * cppfiles.c (remove_component_p): New function.
117 (find_or_create_entry): Acknowledge stat () errors during
119 (handle_missing_header): Don't simplify paths.
120 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
121 the empty path untouched. Don't leave a trailing '/'.
123 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
125 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
126 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
128 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
130 * cppfiles.c (open_file): Fail directories silently, but
131 with an errno of NOENT set.
132 (read_include_file): Move the common exit code to the sole
133 caller. Return an int indicating success or failure. Let
134 open_file handle directories.
135 (stack_include_file): If read_include_file fails,
136 push a "null" buffer.
138 2001-04-05 DJ Delorie <dj@redhat.com>
140 * function.h (virtuals_instantiated): Declare.
141 * function.c: (virtuals_instantiated): Make global.
142 * calls.c (emit_library_call_value_1): Use
143 virtual_outgoing_args_rtx only if it hasn't been instantiated.
144 Otherwise, use the stack pointer directly.
146 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
148 * i386.c (x86_initialize_trampoline): New global function.
149 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
150 (INITIALIZE_TRAMPOLINE): Move offline.
151 * i386-protos.h (x86_initialize_trampoline): Declare.
153 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
155 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
156 (lea_0): Rename to lea_1.
157 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
158 (lea_general_?): Allow SImodes on TARGET_64BIT
159 (lea_general_?_zext): New patterns.
160 (call_1, call_1_rex64): Fix.
162 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
164 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
166 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
168 * i386.c (function_arg): Return constm1_rtx for last argument.
169 (ix86_expand_prologue): Update gen_call calls.
170 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
171 * i386.md (call_pop): Likewise.
172 (call): Second operand is VOIDmode.
173 (call_0): Likewise; Support 64bits.
174 (call_exp): New expander.
175 (call_1): Get to the sync.
176 (call_1_exp): New pattern.
177 (call_value): Support 64bit.
178 (call_value_exp): New pattern.
179 (untyped_call): Update gen_call call.
180 (call_value_pop): Disable for 64bit.
181 (call_value_0_rex64): New pattern.
182 (call_value_1_rex64): Likewise.
184 2001-04-05 Bo Thorsen <bo@suse.de>
186 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
188 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
190 * i386.md (*andsi_1+3): If used after reload, make sure the operand
191 satisfies ANY_QI_REG_P.
193 2001-04-05 Bernd Schmidt <bernds@redhat.com>
195 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
198 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
201 2001-04-04 Zack Weinberg <zackw@stanford.edu>
203 * config.gcc: Remove default for xm_file. Clean up local
204 machine type handling. Remove settings of xm_file to
205 something that doesn't exist. In the big switch, set xm_file,
206 don't append to it (the value before the big switch is always
207 null). Don't force build_xm_file or host_xm_file to have a value.
208 * configure.in: Remove default for xm_file. Do not special
209 case $cpu/xm-$cpu.h not existing.
210 * configure: Regenerate.
212 2001-04-04 Diego Novillo <dnovillo@redhat.com>
214 * simplify-rtx.c (simplify_binary_operation): Check for overflow
215 when folding integer division and modulo operations.
217 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
219 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
220 instead of DWARF2_ADDR_SIZE for EH addresses.
221 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
224 2001-04-04 Richard Henderson <rth@redhat.com>
226 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
227 * config/ia64/t-glibc (LIB2ADDEH): Disable.
228 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
230 2001-04-04 Richard Henderson <rth@redhat.com>
232 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
233 * configure: Rebuilt.
235 2001-04-04 Jakub Jelinek <jakub@redhat.com>
237 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
238 push insns to delete to it instead of deleting them.
239 (delete_null_pointer_checks): Delete insns from delete_list after
240 all delete_null_pointer_checks_1 passes are done.
242 2001-04-04 Richard Henderson <rth@redhat.com>
244 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
245 * configure: Rebuilt.
247 2001-04-04 Zack Weinberg <zackw@stanford.edu>
249 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
250 * config/romp/xm-romp.h: Delete.
252 2001-04-04 Bernd Schmidt <bernds@redhat.com>
254 * sched-deps.c (sched_analyze_insn): Partially revert March 27
257 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
259 * emit-rtl.c (mark_label_nuses) Increment the label uses for
260 all labels present in rtx.
261 (try_split) Call new function for all split insns.
263 2001-04-04 Jakub Jelinek <jakub@redhat.com>
265 * recog.c (validate_replace_rtx_1): Instead of aborting just make
266 sure the change won't be validated.
268 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
270 * rtl.h (set_noop_p): Declare.
271 * flow.c (set_noop_p): Move from here ...
272 * rtlanal.c (set_noop_p): ... to here and enhance.
273 * cse.c (delete_trivially_dead_insns): Use it.
274 * gcse.c (hash_scan_set): Likewise.
275 * jump.c (delete_noop_moves): Likewise.
276 * recog.c (split_all_insns): Likewise.
278 2001-04-04 Alan Modra <alan@linuxcare.com.au>
280 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
281 stack pointer via a LO_SUM. Ditto for setting a temp register
282 used to save to the stack. Set cfa_temp when setting fp, and
283 allow matches to cfa_temp in addition to cfa_store when saving
284 regs. Handle POST_INC and LO_SUM register stores. Document the
285 changes and errors in rule 12 doco.
287 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
288 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
289 (load_reg): Move closer to epilogue code.
290 (DO_FRAME_NOTES): Define to control the following..
291 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
292 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
294 (hppa_expand_epilogue): Likewise.
296 2001-04-03 Richard Henderson <rth@redhat.com>
298 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
299 * configure: Rebuild.
301 2001-04-03 Richard Henderson <rth@redhat.com>
303 * rtl.h (LCT_THROW): New.
304 * calls.c (emit_library_call_value_1): Handle it.
305 * except.c (connect_post_landing_pads): Use it.
307 2001-04-03 Zack Weinberg <zackw@stanford.edu>
309 * gansidecl.h: Delete file.
310 * configure.in: Change all refs to gansidecl.h to use
311 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
313 * configure: Regenerate.
315 * Makefile.in (intl.o): Don't depend on gansidecl.h.
316 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
317 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
318 Don't include gansidecl.h.
319 * intl.c, main.c, version.c, fixinc/fixlib.h,
320 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
323 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
325 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
328 2001-04-03 Zack Weinberg <zackw@stanford.edu>
330 * config/i386/xm-beos.h, config/i386/xm-isc.h,
331 config/i386/xm-next.h, config/i386/xm-sco.h,
332 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
333 config/m88k/xm-m88k.h: Delete.
335 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
336 * config/romp/xm-romp.h: Don't define bcopy.
337 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
338 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
340 * config.gcc: Remove references to deleted files.
342 14 xm-host.h remain, 1 xm-cpu.h.
344 2001-04-03 Jakub Jelinek <jakub@redhat.com>
345 David S. Miller <davem@pierdol.cobaltmicro.com>
346 Andrew MacLeod <amacleod@redhat.com>
348 Use byte offsets in SUBREGs instead of words.
350 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
351 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
352 to pass new argument.
353 (add_stored_regs): Use subreg_regno_offset function.
354 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
356 (precompute_arguments): Use gen_lowpart_SUBREG.
357 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
358 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
359 (simplify_set): Rework to use SUBREG_BYTE.
360 (expand_field_assignment): Use SUBREG_BYTE.
361 (make_extraction): Use SUBREG_BYTE.
362 (if_then_else_cond): Use SUBREG_BYTE.
363 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
364 (gen_lowpart_for_combine): Compute full byte offset.
365 * cse.c (mention_regs): Use SUBREG_BYTE.
366 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
367 (canon_hash): Use SUBREG_BYTE.
368 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
369 (gen_lowpart_if_possible): Formatting.
370 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
372 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
373 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
374 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
375 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
376 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
377 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
378 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
379 certain invariants about SUBREGs the compiler creates.
380 (gen_lowpart_SUBREG): New function.
381 (subreg_hard_regno): New function to get the final register number.
382 (gen_lowpart_common): Use SUBREG_BYTE.
383 (gen_imagpart): Spacing nits.
384 (subreg_realpart_p): Use SUBREG_BYTE.
385 (gen_highpart): Use SUBREG_BYTE.
386 (subreg_lowpart_p): Always compute endian corrected goal offset,
387 even at the byte level, then compare against that.
388 (constant_subword): New function, pulled out all constant cases
389 from operand_subword and changed second argument name to offset.
390 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
391 and call constant_subword to do the work. Return const0_rtx if
392 looking for a word outside of OP.
393 (operand_subword_force): Change second arg name to offset.
394 * expmed.c (store_bit_field): Use SUBREG_BYTE.
395 (store_split_bit_field): Use SUBREG_BYTE.
396 (extract_bit_field): Use SUBREG_BYTE.
397 (extract_split_bit_field): Use SUBREG_BYTE.
398 (expand_shift): Use SUBREG_BYTE.
399 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
400 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
401 * flow.c (set_noop_p): Use SUBREG_BYTE.
402 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
403 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
404 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
406 (optimize_bit_field): Use SUBREG_BYTE.
407 (purge_addressof_1): Use SUBREG_BYTE.
408 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
409 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
410 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
411 * gengenrtl.c (special_rtx): Add SUBREG.
412 * global.c (mark_reg_store): Use SUBREG_BYTE.
413 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
414 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
415 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
416 final byte offset is congruent to subreg's mode size.
417 (subst_constants): Use SUBREG_BYTE.
418 (mark_stores): Use subreg_regno_offset function.
419 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
420 function and SUBREG_BYTE.
421 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
422 (reg_is_born): Use subreg_hard_regno.
423 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
424 endian correction code. Don't combine subregs unless resulting
425 offset aligns with type. Fix subreg constant extraction for DImode.
426 Simplify SUBREG of VOIDmode CONST_DOUBLE.
427 (general_operand): Remove dead mode_altering_drug code.
428 (indirect_operand): Use SUBREG_BYTE.
429 (constrain_operands): Use subreg_regno_offset function.
430 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
431 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
432 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
433 * regs.h (REG_SIZE): Allow target to override.
434 (REGMODE_NATURAL_SIZE): New macro which target can override.
435 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
436 on the entire subreg rtx.
437 (push_reload): Use SUBREG_BYTE in comments and code.
438 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
439 for hard registers inside subregs.
440 (operands_match_p): Use subreg_regno_offset.
441 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
442 containing hard regs.
443 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
444 corrections when fixing up MEM subregs.
445 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
446 subreg_regno_offset where appropriate.
447 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
448 byte endian corrections when fixing up MEM subregs.
449 (subst_reloads): When combining two subregs, make sure final
450 offset is congruent to subreg's mode size.
451 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
452 (refers_to_regno_for_reload_p): Use subreg_regno.
453 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
454 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
455 correction code for memory subreg fixups.
456 (forget_old_reload_1): Use subreg_regno_offset.
457 (choose_reload_regs): Use subreg_regno.
458 (emit_input_reload_insns): Use SUBREG_BYTE.
459 (reload_combine_note_store): Use subreg_regno_offset.
460 (move2add_note_store): Use subreg_regno_offset.
461 * resource.c (update_live_status, mark_referenced_resources): Use
462 subreg_regno function.
463 (mark_set_resources): Use subreg_regno function.
464 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
465 (subreg_regno_offset, subreg_regno): Define prototypes.
466 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
467 (gen_lowpart_SUBREG): Add prototype.
468 * rtl.texi (subreg): Update to reflect new byte offset representation.
469 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
470 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
471 (reg_overlap_mentioned_p): Use subreg_regno.
472 (replace_regs); Make sure final offset of combined subreg is
473 congruent to size of subreg's mode.
474 (subreg_regno_offset): New function.
475 (subreg_regno): New function.
476 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
477 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
478 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
479 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
480 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
481 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
482 (a29k_get_reloaded_address): Use SUBREG_BYTE.
483 (print_operand): Use SUBREG_BYTE.
484 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
485 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
486 (arm_reload_out_hi): Use SUBREG_BYTE.
487 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
488 instead of SUBREG_WORD.
489 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
490 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
491 SUBREG creation to use byte offset.
492 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
493 inverted load insns): Fix explicit rtl subregs to use byte
495 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
496 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
497 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
498 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
500 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
501 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
502 offsets, also make sure it is congruent to SUBREG's mode size.
503 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
504 unnamed ldob insn): Generate SUBREGs with byte offset.
505 (zero_extendqihi2): SUBREG's are byte offsets.
506 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
507 (m68hc11_gen_highpart): Use SUBREG_BYTE.
508 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
509 zero-extendqisi2): Generate SUBREGs with byte offset.
510 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
511 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
512 subregs in rtl to use byte offsets.
513 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
514 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
515 (mips_move_2words): Use subreg_regno_offset.
516 (mips_secondary_reload_class): Use subreg_regno_offset.
517 * config/mips/mips.md (DImode plus, minus, move, and logical op
518 splits): Fixup explicit subregs in rtl to use byte offsets.
519 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
520 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
521 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
522 rtl to use byte offsets.
523 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
524 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
525 subregs to use byte offsets.
526 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
527 Fixup explicit subregs in rtl to use byte offsets.
528 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
529 and remove byte endian correction code.
530 * config/sh/sh.c (output_movedouble): Use subreg_regno.
531 (gen_ashift_hi): Use SUBREG_BYTE.
532 (regs_used): Use subreg_regno_offset.
533 (machine_dependent_reorg): Use subreg_regno_offset.
534 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
535 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
536 (movdf_i4): Subregs are byte offsets now.
537 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
538 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
539 (REGMODE_NATURAL_SIZE): Override.
540 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
541 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
543 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
544 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
545 extendqidi2): Generate SUBREGs with byte offsets, also make sure
546 it is congruent to SUBREG's mode size.
547 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
549 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
550 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
551 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
552 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
553 * config/v850/v850.c (print_operand, output_move_double): Use
554 subreg_regno function.
556 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
558 * configure.in (target_subdir): Use target_alias, not target.
559 * configure: Rebuilt.
561 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
563 * config/sh/crti.asm: Fix typos in comments.
565 2001-04-03 Alan Modra <alan@linuxcare.com.au>
567 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
568 TARGET_FAST_INDIRECT_CALLS.
569 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
571 (return_addr_rtx): Short circuit export stub matching when
572 TARGET_NO_SPACE_REGS.
573 (output_millicode_call): For out of range calls, make -fPIC
574 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
575 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
576 * pa.md: Modify length attr calculation of all millicode insns to
579 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
581 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
582 Require at least 2.11 in the version test. Specifically check
583 for and reject GAS version 2.10.90.
584 * configure: regenerate.
586 2001-04-03 Alan Modra <alan@linuxcare.com.au>
588 * pa.c (override_options): Remove PIC profiling warning.
589 (hp_profile_labelno): Delete.
590 (hp_profile_label_rtx): Delete.
591 (hp_profile_label_name): Delete.
592 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
593 (output_function_prologue): Remove profiling code and all tests on
594 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
595 merge_sp_adjust_with_store can work for PIC and profiling.
596 (hppa_expand_epilogue): Remove profile_flag test.
597 (hppa_can_use_return_insn_p): Likewise.
598 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
599 cater for PROFILE_HOOK.
600 (hppa_profile_hook): New function.
601 * pa.h (FUNCTION_PROFILER): Now does nothing.
602 (PROFILE_HOOK): Define.
603 (hppa_profile_hook): Declare.
604 (PROFILE_BEFORE_PROLOGUE): Delete.
605 (ASM_OUTPUT_REG_PUSH): Delete.
606 (ASM_OUTPUT_REG_POP): Delete.
607 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
608 r24. Accept function name operand, and use this and a locally
609 generated label to calculate pc-rel offset to func start.
611 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
613 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
614 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
617 2001-04-03 Alan Modra <alan@linuxcare.com.au>
619 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
620 LO_SUM cases to where they belong.
622 2001-04-02 Richard Henderson <rth@redhat.com>
624 * except.h (lang_eh_type_covers): Mark extern.
625 (lang_eh_runtime_type): Likewise.
627 2001-04-02 Zack Weinberg <zackw@stanford.edu>
629 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
630 gengenrtl.c: Wrap generated header in multiple-include guard.
631 Improve error checking.
633 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
635 * configure.in: Don't check for putenv.
636 * configure: Regenerate.
637 * gcc.c (putenv): Don't define.
638 * vax/xm-vms.h: Handle putenv.
640 2001-04-02 Jakub Jelinek <jakub@redhat.com>
642 * ifcvt.c (noce_emit_move_insn): New.
643 (noce_try_store_flag, noce_try_store_flag_constants,
644 noce_try_store_flag_inc, noce_try_store_flag_mask,
645 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
646 noce_try_abs): Use it.
647 (noce_process_if_block): Likewise.
648 For STRICT_LOW_PART, take mode from its SUBREG.
650 2001-04-02 Jakub Jelinek <jakub@redhat.com>
652 * fold-const.c (fold): Before optimizing unsigned comparison with
653 0x7fffffffU, make sure arg0 is integral type.
655 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
657 * c-tree.texi: Document representation of wide strings.
659 2001-04-01 Richard Henderson <rth@redhat.com>
661 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
663 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
665 * i386.md: remove obsoleted comments.
666 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
667 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
670 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
672 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
674 2001-03-30 Bernd Schmidt <bernds@redhat.com>
676 * loop.c (load_mems): When generating a load from a pseudo, update
679 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
681 * i386.c (ix86_split_long_move): Use change address to compensate
682 stack pointer change in push instruction.
684 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
686 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
687 instead of rtx_equal_p; fix the output template.
689 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
691 * i386.c (ix86_expand_setcc): Support 64bit.
692 (ix86_expand_int_movcc): Likewise.
693 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
696 * i386.md (allocate_stack_worker): Turn to expander.
697 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
699 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
701 2001-03-29 Richard Henderson <rth@redhat.com>
703 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
705 2001-03-28 Matthew Hiller <hiller@redhat.com>
707 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
710 * MAINTAINERS: Added self.
712 2001-03-28 Richard Henderson <rth@redhat.com>
714 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
715 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
717 2001-03-28 Jim Wilson <wilson@redhat.com>
719 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
722 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
726 * tradcif.y (yyerror): Likewise. Add format specifier in call to
729 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
731 2001-03-28 DJ Delorie <dj@redhat.com>
733 * Makefile.in (stage1_build): Revert CFLAGS patch.
735 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
737 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
738 when multiplier or multiplicand is zero.
740 2001-03-28 Bernd Schmidt <bernds@redhat.com>
742 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
744 * config/ia64/ia64.c (update_set_flags): New function, broken out of
746 (set_src_needs_barrier): Likewise.
747 (rtx_needs_barrier): For SET case, use these two functions. Rework
748 PARALLEL case to handle all inputs before all outputs.
749 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
750 saw a label and no stop bit since then.
751 (maybe_rotate, process_epilogue): Add prototypes.
753 2001-03-28 Richard Henderson <rth@redhat.com>
755 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
756 not TARGET_TOC for special toc restore handling.
757 * config/rs6000/rs6000.md (eh_return): Likewise.
759 2001-03-28 Richard Henderson <rth@redhat.com>
761 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
762 current_function_calls_eh_return.
763 (output_function_epilogue): Handle eh_return.
764 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
765 (EH_RETURN_DATA_REGNO): New.
766 (EH_RETURN_STACKADJ_RTX): New.
767 (EH_RETURN_HANDLER_RTX): New.
768 * config/sparc/sparc.md (call/short branch peepholes): Check
769 can_throw_internal instead of in_same_eh_region.
771 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
772 for eh_return data registers.
773 (rs6000_emit_prologue): Save eh_return data registers.
774 (rs6000_emit_epilogue): Force inline restores if eh_return.
775 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
776 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
777 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
778 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
780 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
781 (return_eh_si, return_eh_di): Remove.
782 (eh_return): New, from corpse of eh_epilogue.
783 (eh_set_lr_si, eh_set_lr_di): New.
785 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
786 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
787 True for pic register if current_function_calls_eh_return.
788 (ix86_expand_epilogue): Change "emit_return" argument into "style".
789 Handle eh_return requirements.
790 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
791 (EH_RETURN_STACKADJ_RTX): New.
792 * config/i386/i386.md (exception_receiver): Remove.
793 (eh_return, eh_return_1): New.
794 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
796 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
797 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
798 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
799 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
800 (EH_RETURN_DATA_REGNO): New.
801 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
802 * config/alpha/alpha.md (eh_epilogue): Remove.
803 (exception_receiver): Use $26 for ldgp input.
804 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
806 2001-03-28 Richard Henderson <rth@redhat.com>
808 * except.c: Rewrite entirely for IA-64 ABI exception handling.
809 * except.h: Likewise.
811 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
813 (LIB2FUNCS_EH): Remove.
814 (LIB2ADD): Remove LIB2ADDEH.
815 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
816 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
817 (crt{begin,end}[S].o): Likewise.
818 (except.o): Update includes.
819 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
820 (libgcc2_c_dep): Use LIB2ADDEHDEP.
822 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
823 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
824 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
825 * builtins.c (expand_builtin): Implement it.
826 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
827 * c-common.c (c_common_nodes_and_builtins): Declare it.
828 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
829 * calls.c (libfunc_nothrow): Remove.
830 (emit_library_call_value_1): Don't call it.
831 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
832 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
833 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
834 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
835 (current_funcdef_number): Globalize.
836 (output_call_frame_info): Emit frame data if an lsda is needed.
837 Generate augmentation for personality routine. Don't play with
839 (dwarf2out_begin_prologue): Record funcdef_number.
840 * dwarf2out.h (current_funcdef_number): Declare.
841 * expr.c (expand_expr): Update for except.h name changes.
842 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
843 * expr.h (LTI_throw, LTI_rethrow): Remove.
844 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
845 (LTI_eh_rtime_match): Remove.
846 (LTI_unwind_resume, LTI_eh_personality): Add.
847 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
848 * final.c (final): Don't call check_exception_handler_labels,
849 init_insn_eh_region, or free_insn_eh_region.
850 (final_scan_insn): Always emit debug labels for
851 NOTE_INSN_EH_REGION notes.
852 * flags.h (flag_new_exceptions): Remove.
853 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
854 (record_active_eh_regions): Remove.
855 (count_basic_blocks): Check all instructions for REG_EH_REGION.
856 Use can_throw_internal.
857 (find_basic_blocks_1): Likewise.
858 (move_stray_eh_region_notes): Remove.
859 (find_label_refs): No eh_return_stub_label.
860 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
861 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
863 (delete_unreachable_blocks): Don't track deleted handlers.
864 (flow_delete_block): Use maybe_remove_eh_handler.
865 (delete_eh_regions): Remove.
866 (merge_blocks): Don't check for eh region match.
867 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
868 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
869 (init_propagate_block_info): Disable dead frame store optimization
870 when current_function_calls_eh_return.
871 (dump_bb): Don't print eh_beg, eh_end.
872 * function.c (fixup_var_refs): No catch_clauses.
873 (expand_function_end): Likewise. Call expand_eh_return before
874 the return register use. Call sjlj_emit_function_exit_after.
875 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
876 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
877 * ifcvt.c (dead_or_predicable): Remove eh region check.
878 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
879 Don't check for EH vs parameters.
880 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
881 (expand_inline_function): Call duplicate_eh_regions.
882 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
883 (copy_insn_notes): Remap REG_EH_REGION notes.
884 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
885 * integrate.h (struct inline_remap): Add local_return_label.
886 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
887 check_exception_handler_labels, nor exception_optimize.
888 (find_cross_jump): No EH region check.
889 * optabs.c (init_optabs): Update for changed eh libfuncs.
890 * rtl.def (RESX): New.
891 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
892 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
893 checks. Update for except.h name changes.
894 (expand_cleanups): Likewise.
895 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
896 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
897 (compile_file): Call init_eh before init_optabs. Don't
898 output_exception_table here.
899 (rest_of_compilation): Call convert_from_eh_region_ranges,
900 convert_to_eh_region_ranges, output_function_exception_table.
901 Don't emit_eh_context.
902 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
905 * md.texi (eh_epilogue): Remove.
906 (eh_return): Document.
907 * tm.texi (EH_RETURN_DATA_REGNO): Document.
908 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
910 * eh-common.h: Remove file.
911 * frame-dwarf2.c, frame.c, frame.h: Remove files.
912 * libgcc2.c (L_eh): Remove.
914 * unwind-dw2-fde.c: New file, largely copied from frame.c.
915 * unwind-dw2-fde.h: New file.
916 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
917 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
918 * libgcc-std.ver: Update for eh symbols.
920 2001-03-27 Richard Henderson <rth@redhat.com>
922 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
923 reduce false positives.
924 (regmove_optimize): Disable if flag_non_call_exceptions.
926 * stmt.c (expand_return): Remove always true predicate.
927 (expand_decl_cleanup_no_eh): Remove dead code.
929 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
930 barrier code. Add a scheduling barrier if a non-call insn
931 can throw internally.
933 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
934 Auto-inc addresses trap only if their base register does.
936 * except.c (can_throw_internal): Rename from can_throw.
937 * except.h, resource.c: Update references.
939 * integrate.c (copy_insn_list): Use returnjump_p.
940 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
942 * function.h (struct function): Move all boolean valued fields
943 to single bit fields at the end of the struct.
945 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
947 Rename asynchronous_exceptions to flag_non_call_exceptions.
949 * gthr-single.h (UNUSED): New. Distinguish between how C
950 and C++ mark unused function arguments. Use throughout.
952 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
953 value to target configuration header.
954 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
955 * config.in, configure: Rebuild.
956 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
957 configuration and target defines.
958 (exceptions_via_longjmp): Remove.
959 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
960 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
962 * except.h (flag_non_call_exceptions): Move ...
965 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
966 exceptions, put the note on the trapping instruction.
968 * flags.h (flag_new_exceptions): Remove.
969 * toplev.c: Don't set it.
970 * final.c: Don't check it.
971 * except.c: Provide stub definition.
973 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
974 (calculate_global_regs_live): Kill call-clobbered registers
975 across exception edges.
976 * reg-stack.c (convert_regs_1): Kill the entire target stack
977 across non-call exception edges.
979 * flow.c (cleanup_cfg): Take no argument.
980 * output.h, sibcall.c, toplev.c: Update all calls.
982 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * configure.in: Don't check for bcopy.
985 * configure, config.in: Regenerate.
987 * system.h: Don't define or prototype bcopy, instead poison it.
989 2001-03-27 Richard Henderson <rth@redhat.com>
991 * function.c (expand_function_start): Set DECL_REGISTER on
992 a pseudo used for DECL_RESULT.
994 * rtl.h (LCT_NORETURN): New.
995 * calls.c (emit_library_call_value_1): Handle it.
997 2001-03-27 Stan Shebs <shebs@apple.com>
999 * objc/objc-act.c (objc_init): Use dump_base_name.
1000 (gen_declaration): Clear the buffer arg.
1001 (gen_declaration_1): New function, body of gen_declaration.
1002 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1003 (gen_method_decl): Ditto, plus always clear buffer arg.
1004 (error_with_ivar): Simplify.
1005 (warn_with_method): Ditto.
1006 (build_message_expr): Don't clear buffers.
1007 (dump_interface): Ditto.
1008 (objc_debug): Ditto.
1009 (build_keyword_selector): Clear the buffer by only zeroing
1011 (objc_implementation_context): Declare.
1012 (start_class): Warn about missing @end.
1013 (finish_objc): Ditto.
1015 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1017 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1019 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1021 * Makefile.in (SYSTEM_H): Define.
1022 Depend on $(SYSTEM_H), not system.h.
1024 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1026 2001-03-27 Jim Wilson <wilson@redhat.com>
1028 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1030 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1031 (process_epilogue): New static function.
1032 (process_set): Call process_epilogue instead of emitting .restore
1034 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1036 * flow.c (struct reg_cond_life_info): New fields orig_condition
1038 (init_propagate_block_info): Set new fields.
1039 (mark_regno_cond_dead): Set and use new fields.
1040 (flush_reg_cond_reg_1): Likewise.
1041 (and_reg_cond, case AND): Check for redundant AND conditions.
1042 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1045 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1047 * cppmacro.c (stringify_arg): Null terminate strings.
1049 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1051 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1052 inclusion style. xm-m68hc11.h no longer exists.
1053 * config/m68hc11/xm-m68hc11.h: Delete file.
1054 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1056 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1057 Don't define GCC_VERSION, N_, or PARAMS; don't include
1058 gansidecl.h or stdio.h. Define inhibit_libc here.
1059 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1060 Delete code conditioned on #if GCC_VERSION == 2095.
1062 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1063 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1064 Delete code conditioned on #if GCC_VERSION == 2095.
1066 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068 * system.h: Include symcat.h.
1069 (STRINGIFY): Don't define.
1071 * configure.in: Adjust comment.
1073 * builtins.c: Use STRINGX, not STRINGIFY.
1074 * gencheck.c: Likewise.
1075 * gengenrtl.c: Likewise.
1076 * protoize.c: Likewise.
1078 * cpplex.c: Don't include symcat.h.
1079 * cpplib.c: Likewise.
1081 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1083 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1085 * c-typeck.c (digest_init): Fold init expression.
1087 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1091 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1093 * except.c (eh_regs): Save results of build_pointer_type to a temp
1094 as FUNCTION_VALUE macro may evaluate its args multiple times.
1096 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1098 * c-common.h (DECL_NUM_STMTS): New macro.
1099 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1101 (pushdecl): Likewise.
1102 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1103 * integrate.c (expand_inline_function): Don't check
1105 * print-tree.c (print_node): Don't print it.
1106 * toplev.c (rest_of_compilation): Don't try to inline when
1107 flag_no_inline is on.
1108 * tree.h (DECL_FRAME_SIZE): Remove.
1109 (tree_decl): Adjust accordingly.
1111 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * combine.c (try_combine): Use memcpy, not bcopy.
1115 * genattrtab.c (expand_units): Likewise.
1117 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1119 * i386.md (push mem DI peep2): New.
1120 (mov 0, mov -1 peep2): Handle 64bit.
1121 (lea to arithmetics peep2): Handle 64bit leas.
1122 (rsp arithmetics to push/pop peep2s): New.
1124 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1126 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1128 * i386.c (struct machine_function): Add save_varrargs_registers.
1129 (ix86_save_varrargs_registers): New macro.
1130 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1131 (ix86_expand_prologue): Likewise.
1132 (ix86_emit_epilogue_esp_adjustement): Likewise.
1133 (ix86_expand_epilogue): Likewise.
1134 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1135 (pro_epilogue_adjust_stack_1): New insn.
1136 (pro_epilogue_adjust_stack_rex64): Likewise.
1137 * i386.h (MASK_NO_RED_ZONE): New constant.
1138 (TARGET_RED_ZONE): New macro.
1139 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1140 (RED_ZONE_SIZE): New constant.
1141 (RED_ZONE_RESERVE): New constant.
1143 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1145 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1147 2001-03-25 Kazu Hirata <kazu@hxi.com>
1149 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1152 (umodhi3): Likewise.
1155 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * mkconfig.sh (DEFINES): Handle entries with '='.
1159 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1160 Set xm_defines to MACRO=value instead.
1162 * i370/xm-mvs.h: Delete.
1164 * ns32k/xm-pc532-min.h: Likewise.
1166 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1168 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1170 use ix86_expand_binary_operator
1171 (?sh??i_?): Disable for 64bit.
1172 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1173 * i386.c (shiftdi_operand): New predicate.
1175 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1176 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1177 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1178 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1179 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1180 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1181 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1182 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1183 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1184 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1185 (rotldi3, rotrdi3): New expanders.
1187 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1189 * i386.md (movstrsi): Move offline.
1191 (strmovdi_rex64): New.
1192 (strmov?i): Accept 64bit.
1193 (strmov?i_rex64): New.
1194 (strmov?i_rex_1): New.
1195 (strmov?i_1): Disable for 64bit.
1196 (rep_mov?i_rex64): New.
1197 (rep_mov?i): Disable for 64bit.
1198 (clrstrsi): Move offline.
1199 (strset?i_rex64): New.
1200 (strset?i: Accept 64bit.
1201 (rep_stos?i): Disable for 64bit.
1202 (rep_stos?i_rex64): New.
1203 (strset?i_rex_1): New.
1204 (strset?i_1): Disable for 64bit.
1205 (cmpstrsi): Accept 64bit.
1206 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1207 (cmpstrqi_nz_rex_1): New.
1208 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1209 (strlensi): Move offline.
1211 (strlenqi_1): Disable for 64bit; fix constraints.
1212 (strlenqi_rex_1): New.
1213 * i386.c (ix86_adjust_counter): New static function.
1214 (ix86_zero_extend_to_Pmode): Likewise.
1215 (ix86_expand_aligntest): Likweise.
1216 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1217 (ix86_expand_movstr): New global function.
1218 (ix86_expand_clrstr): New global function.
1219 (ix86_expand_strlen): New global function.
1220 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1221 ix86_expand_strlen): Declare.
1222 (ix86_expand_strlensi_unroll_1): Delete.
1224 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1226 * i386.md (cmpdi): Fix operand predicates.
1227 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1228 cmpdi_1_insn_rex64): New patterns.
1229 (adddi3): Turn to expander.
1230 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1231 (addsi3_carry_zext): New pattern.
1232 (adddi_?_rex64): New patterns and splitters.
1233 (addsi_?_zext): New patterns.
1234 (subsi3_carry_zext): New pattern.
1235 (subdi_?_rex64): New patterns and splitters.
1236 (iorsi_?_zext): New patterns.
1237 (iordi_?_rex64): New patterns and splitters.
1238 (iorsi_?_zext): New patterns.
1239 (iorsi_?_zext_imm): New patterns.
1240 (xorsi_?_zext): New patterns.
1241 (xordi_?_rex64): New patterns and splitters.
1242 (xorsi_?_zext): New patterns.
1243 (negdi*): New patterns.
1244 (one_cmpldi*): Likewise.
1245 (one_cmplsi*_zext, negsi*_zext): Likewise.
1246 (testqi_ext_3_rex64): New pattern.
1248 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1250 * i386-protos.h (ix86_split_long_move): Return void.
1251 * i386.c (ix86_split_to_parts): Handle 64bit target.
1252 (ix86_split_long_move): Likewise.
1253 * i386.md (all calls to ix86_split_long_move): Update.
1255 2001-03-23 Richard Henderson <rth@redhat.com>
1257 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1258 to avoid shadowing arguments.
1260 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1262 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1263 to variable names where DECL_NAME is different from
1264 DECL_ASSEMBLER_NAME.
1266 2001-03-23 Jim Wilson <wilson@redhat.com>
1268 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1269 (assemble_alias): Call make_decl_rtl.
1271 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1273 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1275 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1277 * extend.texi: Document the "java_interface" attribute.
1279 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1281 * mkconfig.sh: Use a subshell with redirected stdout,
1282 instead of closing stdout and confusing commands that run
1283 afterward. Throw away output of cmp.
1285 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1287 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1289 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1291 * i386.md (zero_extendsidi2_32): Break out from ...
1292 (zero_extendsidi2): ... here ; turn to expander.
1293 (zero_extendsidi2_rex64): New.
1294 (extendsidi2_32): Break out from ...
1295 (extendsidi2): ... here ; turn to expander.
1296 (extendsidi2_rex64): New.
1297 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1298 (trunc?f?f splitters): Add 64bit versions.
1300 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1302 * i386.md (pushsi, pushsi2_prologue): Disable.
1303 (pushsi2_rex64): New.
1304 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1305 (movqi_ext_1): Disable for 64bit.
1306 (movqi_ext_1_rex64): New.
1307 (pushdi2_rex64): New pattern, peep2s and splitter.
1308 (pushdi2_prologue_rex64): New pattern.
1309 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1311 (movdi splitters): Disable for 64bit.
1312 (movdi_1_rex64): New pattern, peep2s and splitters.
1313 (swapdi): New pattern.
1314 (pushsf): Disable for 64bit.
1315 (pushsf_rex64): New pattern and splitter.
1316 (pushdf_nointeger): Disable for 64bit.
1317 (pushdf_integer): Handle the 64bit case.
1318 (pushtf): Likewise; update splitters.
1320 2001-03-22 Richard Henderson <rth@redhat.com>
1322 * mkconfig.sh: Include insn-flags.h.
1323 * Makefile.in (CONFIG_H): Include insn-flags.h.
1324 (lots of objects): Remove insn-codes.h and insn-flags.h.
1326 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1327 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1328 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1329 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1330 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1331 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1332 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1333 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1334 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1335 v850/v850.c, vax/vax.c:
1336 Don't include insn-flags.h.
1338 * diagnostic.c, expr.h, reload.c, toplev.c:
1339 Don't include insn-codes.h.
1341 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1342 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1343 c4x/c4x.c, i960/i960.c, mips/mips.c:
1344 Don't include insn-codes.h or insn-flags.h.
1346 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1347 or insn-flags.h in the generated code.
1348 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1349 (main): Forward declare struct rtx_def.
1351 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1353 * invoke.texi (-ffast-math): Remove duplicate line about
1356 * gcc.texi: Remove more obsolete documentation of bugs and
1357 installation problems.
1359 2001-03-21 Kazu Hirata <kazu@hxi.com>
1361 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1364 2001-03-20 Jason Merrill <jason@redhat.com>
1366 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1368 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1369 * varasm.c (CHKR_PREFIX): Likewise.
1371 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1373 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1374 is part of a multi-SET insn.
1376 * cse.c (find_comparison_args): Remove previous change.
1377 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1380 * config/i386/i386.md (conditional_trap): Remove warning.
1382 * recog.c (push_operand): Fix error in last change that caused
1383 undefined symbol on many targets.
1385 * sdbout.c: #include ggc.h.
1386 (sdbout_init): Move to end of file.
1387 Call ggc_add_tree_root for anonymous_types.
1388 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1389 (sdbout_one_type): Use DECL_NAME for field name.
1390 * Makefile.in (sdbout.o): Show includes ggc.h.
1392 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1394 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1395 (override_options): Use properlimits for preferred_stack_boundary.
1396 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1398 (ext_register_operand): Accept DImode.
1399 (load_pic_register): Abort on 64bit.
1400 (gen_push): Use Pmode instead of SImode.
1401 (ix86_save_reg): Pic reg is never used on 64bit.
1402 (ix86_expand_prologue): Likewise.
1403 (ix86_emit_save_regs): Use Pmode instead of SImode.
1404 (legitimate_address_p): Check displacement for 64bit.
1405 (print_operand): Avoid outputting of (%rip) on 64bit.
1406 (print_operand_address): Output (%rip) where possible.
1407 (split_di): Abort on 64bit registers.
1408 (ix86_expand_branch): DImode comparison is simple for x86_64.
1409 (memory_address_length): Recognize memory addresses formed using
1411 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1413 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1415 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1417 * recog.c (push_operand): Recognize new format of push instructions.
1419 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1421 * i386.md (pushqi1): New.
1422 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1423 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1424 x86_64_immediate_operand, x86_64_immediate_operand,
1425 x86_64_zext_immediate_operand): Declare.
1426 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1427 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1428 x86_64_immediate_operand, x86_64_immediate_operand,
1429 x86_64_zext_immediate_operand): define.
1430 * i386.h (PREDICATE_CODES): Add new predicates.
1432 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1434 * i386.md (pophi1, popqi1, pushqi1): Remove.
1436 * expr.c (emit_single_push_insn): New function.
1437 (move_by_pieces): Accept NULL as destination for push instructions.
1438 (gen_push_operand): Kill.
1439 (emit_push_insn): Pass NULL when pushing; avoid updating of
1440 stack_pointer_delta.
1441 * expr.h (gen_push_operand): Kill.
1443 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * rtl.texi (COMPARE): Clarify documentation and reference section
1448 2001-03-20 Stan Shebs <shebs@apple.com>
1450 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1451 (get_object_reference): Ditto.
1452 (error_with_ivar): Use error_with_file_and_line.
1453 (warn_with_method): Use warning_with_file_and_line.
1455 2001-03-20 Tom Tromey <tromey@redhat.com>
1457 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1459 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1461 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1462 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1464 2001-03-20 DJ Delorie <dj@redhat.com>
1466 * Makefile.in (install-libgcc): Pass complete list of variables.
1467 (install-multilib): Ditto.
1469 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1471 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1472 drectve_section, switch_to_section.
1474 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1475 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1476 i386_pe_mark_dllimport.
1478 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1480 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1481 functions i386_pe_*.
1483 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1484 i386_pe_* functions with char * arguments.
1486 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1488 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1490 (movsi_ie): Introduce fpul store.
1492 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1494 * Makefile.in (OBJS): Remove hashtab.o.
1496 2001-03-19 Stan Shebs <shebs@apple.com>
1498 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1499 * c-lang.c (maybe_objc_method_name): Ditto.
1500 * c-tree.h (maybe_objc_method_name): Remove decl.
1502 2001-03-19 Tom Tromey <tromey@redhat.com>
1504 * gcc.c (init_gcc_specs): Fix comment.
1506 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1508 Compute DECL_ASSEMBLER_NAME lazily.
1509 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1510 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1511 (SET_DECL_ASSEMBLER_NAME): Likewise.
1512 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1513 (set_decl_assembler_name): Declare.
1514 (lang_set_decl_assembler_name): Likewise.
1515 * tree.c (lang_set_decl_assembler_name): New variab.e
1516 (set_decl_assembler_name): New function.
1517 (init_obstacks): Set lang_set_decl_assembler_name.
1518 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1519 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1520 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1521 where it's not necessary.
1522 (builtin_function): Likewise.
1523 (finish_decl): Likewise.
1524 * dbxout.c (dbxout_type_methods): Likewise.
1525 * ggc-common.c (ggc_mark_trees): Likewise.
1526 * profile.c (output_func_start_profiler): Likewise.
1527 * varasm.c (make_decl_rtl): Likewise.
1529 * cse.c (find_comparison_args): Update documentation. Fix
1530 mishandling of COMPARE operations.
1532 * tree.def (ABS_EXPR): Add documentation.
1533 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1535 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1537 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1539 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1541 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1542 Remove ia32 linux PIC kludge and move it...
1543 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1545 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1547 * i386.md (absdf2 expander): Fix 64bit case.
1549 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1551 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1553 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1555 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1557 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1559 * README.X11: Remove obsolete file.
1561 2001-03-18 Anthony Green <green@redhat.com>
1563 * config/pj/pj.h: Remove some trailing commas.
1564 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1566 2001-03-18 Richard Henderson <rth@redhat.com>
1568 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1569 * calls.c: ... here.
1570 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1571 defaults for them here.
1573 2001-03-17 Anthony Green <green@redhat.com>
1575 * config/pj/lib1funcs.S: Fix broken comment.
1576 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1579 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1581 * gcc.texi: Remove obsolete information relating to build and
1582 installation problems with enquire or the Pyramid C compiler.
1584 2001-03-17 Richard Henderson <rth@redhat.com>
1586 * dwarf2out.c (queue_reg_save): New.
1587 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1588 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1590 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1591 (cfa, cfa_store, cfa_temp): Make static.
1592 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1594 2001-03-17 Richard Henderson <rth@redhat.com>
1596 * integrate.h (struct inline_remap): Add local_return_label.
1597 * integrate.c (expand_inline_function): Initialize it and emit
1598 it after copy_insn_notes.
1599 (copy_insn_list): Don't store local_return_label here.
1600 (copy_insn_notes): New function split out from copy_insn_list.
1602 2001-03-17 Richard Henderson <rth@redhat.com>
1604 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1605 is generating .debug_line.
1606 (dwarf2out_init): Add main_input_filename to the file table first.
1607 * configure.in (as_dwarf2_debug_line): Test with file number 1
1608 instead of file number 0.
1610 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1613 (gen_rtx_combine): Deleted; all references changed as appropriate.
1614 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1616 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1618 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1620 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1623 2001-03-16 Jim Wilson <wilson@redhat.com>
1625 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1626 then set it to LOC_REG (79) instead of aborting.
1628 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1630 * gccbug.in: Remove high priority.
1632 2001-03-16 Richard Henerson <rth@redhat.com>
1634 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1635 output with a space instead of deleting it.
1636 * configure: Regenerate.
1638 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1640 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1641 handles the gory details of converting an object file into
1642 something that's safe to grep.
1643 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1644 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1645 newlines at either end of the string we're looking for.
1646 Make 'checking ...' message less stilted.
1647 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1648 ARM in-memory layout and its hypothetical converse. Don't
1649 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1650 HOST_WORDS_BIG_ENDIAN.
1652 * configure.in: Adjust for renamed macro. Move
1653 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1654 * configure, config.in: Regenerate.
1656 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1658 * fixinc/Makefile.in: Set SHELL.
1660 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1662 * fixinc/fixincl.c (fix_with_system): Quote file names before
1663 passing them to shell.
1665 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1667 * Makefile.in: Use fix-header$(build_exeext) instead
1670 2001-03-16 Richard Henderson <rth@redhat.com>
1672 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1673 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1674 (size_of_line_prolog): Remove.
1675 (output_line_info): Compute prologue size via label difference.
1676 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1678 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1679 assembler error when redefining file numbers.
1680 * config.in, configure: Rebuild.
1682 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1683 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1684 (dw2_asm_output_delta_uleb128): Likewise.
1685 (dw2_asm_output_delta_sleb128): Similarly.
1686 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1688 2001-03-16 Michael Meissner <meissner@redhat.com>
1690 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1692 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1694 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1696 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1697 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1698 being unsigned in ISO C and signed in traditional.
1699 (expand_prologue): Ditto.
1700 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1702 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1704 (divsi3,divdi3): Ditto.
1705 (modsi3,moddi3): Ditto.
1706 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1707 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1708 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1711 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1713 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1714 SSE based conditional moves on LTGT/UNEQ conditions;
1715 Canonicalize EQ to NE.
1716 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1717 (sse_mov?fcc_ne): New.
1719 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1721 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1723 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1724 register may be dead.
1726 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1728 * Makefile.in (hash.o): Depend on CONFIG_H.
1730 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1732 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1734 2001-03-15 Richard Henderson <rth@redhat.com>
1736 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1737 (ASM_OUTPUT_DWARF_PCREL): New.
1738 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1740 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1742 * cppfiles.c (stack_include_file): Use MAX of sysp.
1744 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1746 * config.gcc (ia64*-*-hpux*): New case.
1747 * config/ia64/hpux.h: New file for HP-UX support.
1748 * config/ia64/t-hpux: New file for HP-UX support.
1750 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1752 * fixinc/inclhack.def (irix_stdio_va_list): New.
1753 * fixinc/fixincl.x: Rebuilt.
1755 2001-03-15 Richard Henderson <rth@redhat.com>
1757 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1758 if provided by the target.
1759 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1760 (dw2_asm_output_addr): New.
1761 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1762 * dwarf2out.c (output_cfi): Use it for program addresses.
1763 (output_call_frame_info, output_die): Likewise.
1764 (output_aranges, output_line_info): Likewise.
1766 2001-03-15 Bruce Korb <bkorb@gnu.org>
1768 * gcc.c(main): make more rigorous
1769 * collect2.c(main): guard against ignoring SIGCHLD
1770 * protoize.c(main): ditto
1771 * gcc/fixinc/fixincl.c(initialize): ditto
1773 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1775 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1776 (sdbout_parms): Likewise.
1778 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1780 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1781 "widen" a destination that is already wider than a word. Also do
1782 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1784 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1786 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1788 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1790 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1792 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1794 * i960.h (i960_maxbitalignment,
1795 i960_last_maxbitalignment): Declare.
1796 * i960.c (i960_maxbitalignment,
1797 i960_last_maxbitalignment): Make global.
1798 (process_pragma): Delete.
1799 (i960_pr_align, i960_pr_noalign): Move from here ...
1800 * i960-c.c: ... to this new file.
1801 * t-960bare (i960-c.o): New rule.
1802 * t-vxworks960 (i960-c.o): Likewise.
1803 * config.gcc (i960-*-*): Define c_target_objs and
1806 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1808 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1809 without adding in rtx code and mode.
1811 * alias.c (init_alias_analysis): Don't use any rtx whose value
1812 varies as a known value.
1813 Delete a superfluous test.
1815 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1817 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1818 scheduling a stop bit.
1819 (ia64_emit_nops): Correctly handle ASMs.
1821 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1823 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1825 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1827 * cpp.texi: Update documentation for -include and -imacros.
1828 * cppfiles.c (struct include_file): Remove "defined" memeber.
1829 (find_or_create_entry): Make a copy of the file name, and
1831 (open_file): Update to ensure we use the simplified filename.
1832 (stack_include_file): Don't set search_from.
1833 (cpp_included): Don't simplify the path name here.
1834 (find_include_file): New prototype. Call search_from to
1835 get the start of the "" include chain. Don't simplify the
1837 (_cpp_execute_include): New prototype. Move diagnostics to
1838 do_include_common. Update.
1839 (_cpp_pop_file_buffer): Don't set defined.
1840 (search_from): New prototype. Use the preprocessor's cwd
1841 for files included from the command line.
1842 (read_name_map): Don't simplify the pathname here.
1843 * cpphash.h (enum include_type): New.
1844 (struct buffer): Delete search from. New search_cached.
1845 (_cpp_execute_include): Update prototype.
1846 * cppinit.c (do_includes): Use _cpp_execute_include.
1847 * cpplib.c (do_include_common): New function.
1848 (do_include, do_include_next, do_import): Use it.
1850 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1852 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1853 contents of the RTL, to determine the name of the object.
1855 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1857 * tree.h (DECL_RTL): Allocate RTL lazily.
1858 (SET_DECL_RTL): New macro.
1859 (DECL_RTL_SET_P): Likewise.
1860 (COPY_DECL_RTL): Likewise.
1861 (DECL_RTL_IF_SET): Likewise.
1862 * varasm.c (make_decl_rtl): Add assertions about the kind of
1863 declaration we are processing.
1864 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1865 (start_decl): Likewise.
1866 (finish_decl): Likewise.
1867 * c-semantics.c (emit_local_var): Likewise.
1868 * calls.c (expand_call): Likewise.
1869 * dbxout.c (dbxout_symbol): Likewise.
1870 * emit-rtl.c (unshare_all_rtl): Likewise.
1871 (unshare_all_decls): Likewise.
1872 (reset_used_decls): Likewise.
1873 * expr.c (store_constructor): Likewise.
1874 (safe_from_p): Likewise.
1875 (expand_expr): Likewise.
1876 * function.c (put_var_into_stack): Likewise.
1877 (instantiate_decls_1): Likewise.
1878 (assign_parms): Likewise.
1879 (expand_function_start): Likewise.
1880 (expand_function_end): Likewise.
1881 * ggc-common.c (gcc_mark_trees): Likewise.
1882 * integrate.c (function_cannot_inline_p): Likewise.
1883 (copy_decl_for_inlining): Likewise.
1884 (expand_inline_function): Likewise.
1885 (integrate_parm_decls): Likewise.
1886 (integrate_decl_tree): Likewise.
1887 * print-tree.c (print_node): Likewise.
1888 * reg-stack.c (stack_result): Likewise.
1889 * stmt.c (label_rtx): Likewise.
1890 (expand_return): Likewise.
1891 (expand_decl): Likewise.
1892 (expand_decl_cleanup): Likewise.
1893 (expand_anon_union_decl): Likewise.
1894 * toplev.c (check_global_declarations): Likewise.
1895 (rest_of_decl_compilation): Likewise.
1896 * tree.c (simple_cst_equal): Likewise.
1897 * objc/objc-act.c (generate_static_references): Likewise.
1899 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1901 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1902 gcc_AC_C_FLOAT_FORMAT): New macros.
1903 * configure.in: Add AC_PROG_CPP after CC tests;
1904 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1905 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1906 * configure, config.in: Regenerate.
1908 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1909 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1910 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1911 config/i370/xm-linux.h, config/i370/xm-oe.h,
1912 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1913 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1914 config/pa/xm-linux.h, config/pa/xm-pa.h,
1915 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1916 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1917 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1918 config/we32k/xm-we32k.h: Delete.
1920 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1921 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1922 config/vax/xm-vms.h: Don't define any of:
1923 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1925 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1927 * config.gcc: Remove references to deleted files.
1928 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1929 FATAL_EXIT_CODE, which is the same between oe and mvs).
1931 2001-03-14 DJ Delorie <dj@redhat.com>
1932 Vladimir Makarov <vmakarov@redhat.com>
1934 * config/i960/i960.c (i960_function_prologue): Compute size of
1935 frame according to number of registers actually saved there.
1937 2001-03-14 Richard Henderson <rth@redhat.com>
1939 * expr.c (emit_move_insn_1): Fix else if around #endif.
1941 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1944 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1947 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1949 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1950 (override_options): Parse cmodel string.
1951 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1952 * i386.h (TARGET_OPTIONS): Add "cmodel".
1953 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1955 (ix86_cmodel_string, ix86_cmodel): Declare.
1957 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1960 * i386.h (GENERAL_REG_P): Add missing REG_P.
1962 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1964 * configure.in: Use $gcc_cv_as instead of $as.
1965 * configure: Regenerated.
1967 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1969 * cppfiles.c (stack_include_file): Only increase the include
1970 count if we actually process the file properly, as opposed
1971 to treating it as length zero. Only call read_include_file
1972 if not DO_NOT_REREAD. Handle the -H include file output
1974 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1975 (cpp_included, find_include_file): Simplify pathnames after
1976 remapping them. If remapping, don't use the remapped file
1977 name's buffer as our scratch buffer.
1978 (cpp_pop_file_buffer): Replace the multiple include macro
1979 only if it isn't yet set.
1980 (read_name_map): Simplify remapped names when reading in.
1981 (remap_filename): Move code to code path that uses it.
1982 (_cpp_simplify_pathname): Return the input pointer.
1983 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1985 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1987 * expr.c (expand_expr): Revove bogus conditional.
1989 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1991 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1993 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1995 * reg-stack.c (stack_result): Unconditionally use
1996 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1998 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2000 * expr.c (emit_move_insn_1): Split push of complex value when
2001 no suitable push instruction exist.
2003 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2004 instead of QI_REG_P.
2006 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2008 * alias.c (handled_component_p, can_address_p): New functions.
2009 (get_alias_set): Use them.
2011 2001-03-13 Jim Wilson <wilson@redhat.com>
2013 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2014 from 80 in try_locals code.
2015 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2017 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2019 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2020 gcc_AC_C_LONG_LONG): New.
2021 * configure.in: Use them. Probe the size of short, int, long,
2022 and long long/__int64 if we have them. Move all the AC_C_*
2023 checks together, except gcc_AC_C_CHAR_BIT which has to go
2024 after AC_CHECK_HEADERS(limits.h).
2025 Take hwint.h out of host_xm_file and build_xm_file.
2027 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2028 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2029 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2030 Move the HOST_WIDEST_INT setup logic here from system.h.
2031 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2033 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2034 is now handled by hwint.h.
2036 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2037 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2038 config/ia64/xm-ia64.h: Don't define any of:
2039 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2040 HOST_BITS_PER_LONGLONG.
2042 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2043 config/h8300/xm-h8300.h, config/mips/iris6.h,
2044 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2045 config/sparc/xm-sp64.h: Delete.
2046 * config.gcc: Remove references to deleted files.
2048 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2049 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2050 * config/i370/xm-linux.h: Clarify floating-point situation in
2053 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2055 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2056 (find_include_file): Decide here which part of the include
2057 chain to start the search. Complain about an empty include
2058 chain in all cases apart from an abolsute file name.
2059 (_cpp_execute_include): Don't choose the search chain here.
2060 Don't call handle_missing_include in the case of an empty
2062 (_cpp_compare_file_date): Don't choose the search chain here.
2063 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2064 here from _cpp_execute_include. Behave like #include if
2065 we're in the main file.
2067 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2069 * system.h (malloc, realloc, calloc, strdup): Only poison these
2070 tokens when IN_GCC is defined.
2072 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2074 * i386.md (abs?f expander): Support SSE case.
2075 (abd?f_if): Add new "USE"; add splitters.
2077 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2079 * cpp.texi (poison): Explain the macro expansion exception.
2081 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2083 * expr.c (store_expr): Add dont_store_target. If temp is already in
2084 target before copying to reg, don't store it into target again.
2086 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * cppinternals.texi: Update for file handling.
2090 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2092 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2093 2001-02-24 which broke building the Java library.
2094 * function.c (identify_blocks): Likewise.
2095 (all_blocks): Likewise.
2096 * integrate.c (integrate_decl_tree): Likewise.
2097 * print-tree.c (print_node): Likewise.
2098 * tree.h (BLOCK_NUMBER): Likewise.
2099 (struct tree_block): Likewise.
2101 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2103 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2104 __WCHAR_TYPE__ definition.
2105 (WCHAR_TYPE_SIZE): #undef before #define.
2107 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2109 * cppfiles.c: Update comments.
2110 (destroy_include_file_node): Rename destroy_node.
2111 (find_or_create_entry): New function.
2112 (open_file, _cpp_fake_include): Use it.
2113 (handle_missing_header): New function, broken out of
2114 _cpp_execute include. Don't segfault if there is no
2115 system or quoted path.
2116 (_cpp_execute_include): Use handle_missing_header.
2118 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2120 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2121 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2123 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2125 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2126 unless anti_dependence says they are.
2127 * alias.c (objects_must_conflict): If neither has a type specified,
2130 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2131 David Billinghurst <David.Billinghurst@riotinto.com>
2133 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2135 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2137 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2138 (*_one_bit): Remove type on the match_operand in attributes.
2140 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2142 * i386.c: Commit forgotten hunk in previous patch.
2143 (regclass_map): Add extended registers.
2144 (dbx_register_map): Add missing frame register.
2146 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2148 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2150 * i386.md (x86_sahf_1): Disable for 64bit.
2151 (popsi*, pophi*): Likewise.
2152 (pushqi, pushhi): Likewise.
2153 (movdi, pushdi): Likewise.
2154 (zero extend DImode splitter): Likewise.
2155 (adddi, minusdi splitter): Likewise.
2156 (umulsidi): Likewise.
2158 (mulsidi): Disable for 64bit
2159 (lshift:DI/ashift:DI): Disable for 64bit.
2160 (loop patterns): Likewise.
2161 (call_pop, call_value_pop expanders and patterns): Likewise.
2162 (prologue_get_pc): Likewise.
2164 (fcmovDI pattern and splitter): Likewise.
2165 (movdfcc_1_rex64): New.
2167 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2169 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2170 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2171 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2172 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2173 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2174 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2175 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2176 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2177 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2178 (REGPARM_MAX): Set to 6 for x86_64.
2179 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2180 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2183 * (patterns that does use upper halves): Update constraints
2184 'q' to 'Q' and 'r' to 'R'.
2185 (cmpqi_ext_1): Disable for 64bit.
2186 (cmpqi_ext_3_insn): Likewise.
2187 (movqi_extzv_1): Likewsie.
2188 (addqi_ext_1): Liekwsie
2189 (testqi_ext_1): Liekwsie
2190 (andqi_ext_1): Liekwsie
2191 (xorqi_ext_1): Liekwsie
2192 (cmpqi_ext_1_rex64): New.
2193 (cmpqi_ext_3_insn_rex64): Likewise.
2194 (movqi_extzv_1_rex64): Likewsie.
2195 (addqi_ext_1_rex64): Liekwsie
2196 (testqi_ext_1_rex64): Liekwsie
2197 (andqi_ext_1_rex64): Liekwsie
2198 (xorqi_ext_1_rex64): Liekwsie
2200 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2202 * configure.in: Move check for unsigned enumerated bitfields
2203 to macro in aclocal.m4. Disable it for now.
2204 * configure, config.in: Regenerate.
2205 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2206 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2207 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2208 kind above its first use.
2210 * config/xm-interix.h, config/alpha/xm-alpha.h,
2211 config/i370/xm-linux.h, config/i386/xm-beos.h,
2212 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2213 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2214 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2215 Don't define ONLY_INT_FIELDS under any circumstances.
2217 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2219 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2220 config/sparc/xm-sysv4.h: Delete - now identical with some
2222 * config.gcc (hppa targets): Replace xm-pahpux.h and
2223 xm-papro.h with implicit xm-pa.h.
2224 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2227 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2229 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2230 before reload_cse_noop_set_p.
2232 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2234 * config.gcc: Where xm-host.h used to include another
2235 xm-host.h, list the nested header directly in xm_file. Remove
2236 references to deleted files. Can now use sparc/xm-sp64.h for
2239 * config/xm-linux.h, config/arm/xm-linux.h,
2240 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2241 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2242 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2243 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2244 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2247 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2248 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2249 bother to wrap #undef in #ifdef.
2250 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2251 Don't include xm-linux.h.
2252 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2254 * configure.in: Wrap regexps using [] in changequote block.
2255 Use expr : not echo | grep. Simplify regexps.
2256 * configure: Regenerate.
2258 56 xm-files remain, 22 xm-arch.
2260 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2262 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2263 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2264 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2265 (copy_object): Fix format specifier vs argument mismatch.
2267 * mips-tdump.c: Make local functions static.
2268 (rindex): Don't #undef.
2269 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2270 (fatal, fancy_abort): Delete.
2271 (read_seek): Avoid signed/unsigned compare.
2273 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2275 * combine.c (try_combine): Fix error in change to try original
2277 (gen_rtx_combine): Do same as gen_rtx for now.
2279 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2281 * configure.in: AC_SUBST xm_defines.
2282 * configure: Regenerate.
2283 * Makefile.in: Set DEFINES=$(xm_defines) when building
2286 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2288 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2289 (cpp_included, find_include_file): Update.
2290 (_cpp_compare_file_date): Make else unconditional.
2292 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2294 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2296 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2298 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2299 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2301 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2303 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2304 if it's a record type.
2306 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2308 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2309 mingw includes slightly.
2311 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2313 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2314 #undef token before poisoning it.
2316 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2318 * alpha.c (check_float_value): Use memcpy, not bcopy.
2320 * m32r.c (m32r_sched_reorder): Likewise.
2322 * vax.c (check_float_value): Likewise.
2324 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2326 * toplev.c (file_name_nondirectory): Remove.
2327 * toplev.h: Similarly.
2328 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2329 of file_name_nondirectory.
2331 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2333 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2334 * mips-tfile.c: Don't #undef rindex; not used.
2336 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2338 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2339 (dbx64_register_map): Declare.
2340 (RETURN_ADDR_RTX): Fix for 64bit.
2341 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2342 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2343 * i386.c (dbx64_register_map): New global array.
2344 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2345 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2348 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2350 * cppfiles.c (search_from): Use lbasename.
2351 * mkdeps.c (deps_add_default_target): Use lbasename.
2353 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2356 xcalloc in lieu of malloc, realloc & calloc.
2358 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2360 * gengenrtl.c (xmalloc): Likewise.
2362 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2363 really_call_* memory allocation routines.
2365 * stmt.c (check_for_full_enumeration_handling): Use
2366 really_call_calloc, not calloc.
2368 * system.h (really_call_malloc, really_call_calloc,
2369 really_call_realloc): Define.
2370 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2372 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2374 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2376 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2378 * configure: Rebuilt.
2379 * configure.in: Only use `lang_requires' for languages athat are
2382 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2384 * invoke.texi: Fix typo.
2385 * gcc.1: Regenerate.
2387 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2389 * configure.in: Prune nonexistent files from build_xm_file,
2390 xm_file, and host_xm_file lists. Warn unless they're
2392 Don't generate *config.h here.
2393 AC_SUBST all variables needed to generate *config.h.
2394 * configure: Regenerate.
2395 * mkconfig.sh: New helper script, from code removed from
2397 * Makefile.in: Zap all MALLOC variables - no longer used
2398 anywhere, and malloc.c doesn't exist.
2399 Substitute in variables needed to generate *config.h.
2400 Stop lying about the dependencies contained in CONFIG_H and
2402 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2403 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2404 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2405 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2406 $(TM_P_H), etc. as appropriate.
2408 * config.gcc: Zap references to deleted files.
2409 * ggc-none.c: Don't include rtl.h or tm_p.h.
2411 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2412 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2413 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2414 config/i386/xm-linux.h, config/i386/xm-linux.h,
2415 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2416 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2417 Don't include i386/xm-i386.h.
2419 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2420 config/i386/xm-i386.h, config/i860/xm-i860.h,
2421 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2422 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2423 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2424 Delete (empty except comments, #includes of other deleted
2425 files, and macros used nowhere).
2427 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2429 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2430 independent on TARGET_FLAGS.
2432 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2434 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2436 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2438 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2440 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2441 LAST_REX_SSE_REG): define.
2442 (enum reg_class): Add 'LEGACY_REGS'
2443 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2444 (SSE_REGNO_P): Recognize extended registers.
2445 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2446 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2447 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2448 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2449 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2450 REG_OK_FOR_STRREG_P): Remove.
2451 (HI_REGISTER_NAMES): Add extended registers.
2452 (ADDITIONAL_REGISTER_NAMES): Likewise.
2453 (QI_REGISTER_NAMES): Add 8bit extended registers.
2454 (DEBUG_REG): Support extended registers.
2455 * i386.c (regclass_map): Add extended registers.
2456 (dbx_register-map): Likewise.
2457 (svr4_dbx_register_map): Likewise.
2458 (print_reg): Support extended registers.
2459 (print_operand): Support 64bit operands.
2461 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2463 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2464 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2465 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2466 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2467 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2468 STACK_BOUNDARY): Set properly for 64bits.
2469 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2470 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2471 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2472 (MOVE_MAX): Set to 16.
2473 (MOVE_MAX_PIECES): 8 for 64bit.
2474 (Pmode): Set to SImode.
2476 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2478 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2480 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2482 * i386.h (mask_64bit): New constant.
2483 (target_64bit): New macro.
2484 (target_options): Add '64'/'32'
2485 (target_default): Define.
2486 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2487 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2488 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2490 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2492 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2494 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2496 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2497 LO_SUM unless for_alias is set.
2499 2001-03-08 Stan Shebs <shebs@apple.com>
2501 * objc/objc-act.c: Fix old typos in comments, add comments for
2503 (hash_init): Fix file name in error message.
2504 (hash_enter): Ditto.
2505 (hash_add_attr): Ditto.
2506 (continue_class): Ditto.
2508 2001-03-08 Bruce Korb <bkorb@gnu.org>
2510 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2511 wait4() can receive the signal.
2513 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2515 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2517 * fixinc/fixincl.x: Regenerate.
2519 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2521 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2523 * fixinc/fixincl.x: Regenerate.
2525 2001-03-08 Richard Henderson <rth@redhat.com>
2527 * configure.in (HAVE_AS_LEB128): New assembler check.
2528 * configure, config.in: Rebuilt.
2530 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2532 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2535 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2537 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2538 references to the MAXPATHLEN macro.
2540 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2541 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2544 * config/i386/xm-gnu.h, config/xm-gnu.h,
2545 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2546 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2547 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2548 and/or unused files.
2550 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2551 doing so in various xm-*.h files.
2553 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2555 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2557 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2559 * configure.in (enable_shared): Support per-package shared-library
2561 * configure: Rebuilt.
2563 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2565 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2566 for crnot. Set operands[5] in splitter.
2568 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2571 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2572 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2573 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2574 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2575 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2576 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2579 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2580 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2581 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2582 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2583 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2584 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2585 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2586 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2587 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2588 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2589 Delete unused and/or empty files.
2591 * config.gcc: Define USG in xm_defines as appropriate. Define
2592 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2593 macro. Remove deleted xm-* files from $xm_files variable.
2595 2001-03-07 Tom Tromey <tromey@redhat.com>
2597 * configure: Rebuilt.
2598 * configure.in: Allow config-lang.in to set `lang_requires' to list
2599 of other required languages.
2601 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2603 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2605 (output_prologue): Use xmalloc not oballoc.
2606 (output_epilog): Free a29k_first_epilogue_insn when finished.
2607 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2609 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2611 * builtins.c (expand_builtin_mathfn): Check
2612 flag_unsafe_math_optimizations, not flag_fast_math.
2613 (expand_builtin): Likewise
2614 * combine.c (combine_simplify_rtx): Likewise.
2615 (simplify_if_then_else): Likewise.
2616 * cse.c (fold_rtx): Likewise.
2617 * flags.h: Remove flag_fast_math. Add
2618 flag_unsafe_math_optimizations and flag_trapping_math.
2619 * fold-const.c (negate_expr): Check
2620 flag_unsafe_math_optimizations, not flag_fast_math.
2621 (invert_truthvalue): Likewise.
2622 (fold): Likewise. Before associating operands, check that
2623 code == MULT_EXPR, not code != MULT_EXPR.
2624 * ifcvt.c (noce_try_minmax): Check
2625 flag_unsafe_math_optimizations, not flag_fast_math.
2626 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2627 * invoke.texi: Document -funsafe-math-optimizations and
2628 -fno-trapping-math. Change documentation for -ffast-math.
2629 * jump.c (reversed_comparison_code_parts): Likewise.
2630 (rtx_equal_for_thread_p): Likewise.
2631 * optabs.c (emit_conditional_move): Likewise.
2632 * simplify-rtx.c (simplify_binary_operation): Likewise.
2633 (simplify_relational_operation): Likewise.
2634 (simplify_ternary_operation): Likewise.
2635 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2636 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2637 Add trapping-math and unsafe-math-optimizations entries to f_options.
2638 (set_fast_math_flags): New, sets flags for -ffast-math.
2639 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2640 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2641 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2643 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2644 (alpha_emit_conditional_move): Initialize local_fast_math to
2645 flag_unsafe_math_optimizations, not flat_fast_math.
2646 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2647 instead of setting flag_fast_math to 1.
2648 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2650 * config/i386/i386.c (override_options): Likewise
2651 * config/i386/i386.md: Likewise.
2652 * config/m68k/m68k.md: Likewise.
2653 * config/mips/mips.md: Likewise.
2654 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2655 (rs6000_generate_compare): Likewise.
2657 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2659 * Makefile.in: Set RANLIB to @RANLIB@.
2662 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2664 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2665 * fixinc/fixincl.x: Regenerated.
2667 2001-03-07 Richard Henderson <rth@redhat.com>
2669 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2671 2001-03-07 Richard Henderson <rth@redhat.com>
2673 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2674 of block notes and exception handling notes.
2676 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2677 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2678 (compile_file): ... here.
2680 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2684 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2685 config.h now. Include libiberty.h to handle alloca.
2687 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2689 * c-parse.in (yylexname): New function, split out of _yylex.
2690 (objc_rid_sans_at): New table.
2691 (init_reswords): Initialize it.
2692 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2693 retrieving the next token and checking it for significance as
2694 an ObjC keyword or string constant.
2696 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2697 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2699 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2702 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2704 * config/m68k/m68k.c (const_uint32_operand): Accept any
2705 const_int on a 32-bit host.
2707 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2709 * objc/objc-act.c (init_objc): Set save_lang_status,
2710 restore_lang_status, and mark_lang_status.
2712 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2714 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2716 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2718 * cppinternals.texi: Update.
2720 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2723 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2724 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2725 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2726 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2727 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2728 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2729 config/i386/xm-i386.h, config/i860/xm-i860.h,
2730 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2731 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2732 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2733 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2734 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2735 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2736 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2737 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2738 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2739 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2740 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2741 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2742 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2743 match the defaults provided in hwint.h.
2745 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2746 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2748 * config.gcc (xm_file): Don't set to files which are deleted.
2750 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2751 guard this file against these macros being undefined.
2753 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2755 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2756 and DECL_DEFER_OUTPUT on the decl we create, before calling
2757 rest_of_decl_compilation.
2759 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2761 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2763 * configure, config.in: Regenerate.
2764 * config.gcc: Remove references to deleted files.
2766 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2767 genrecog.c, rtl.c: Do not use alloca anywhere.
2769 * Makefile.in, build-make, system.h, config/x-interix,
2770 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2771 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2772 config/arc/xm-arc.h, config/arm/xm-arm.h,
2773 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2774 config/h8300/xm-h8300.h, config/i370/x-oe,
2775 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2776 config/i386/x-ncr3000, config/i386/x-sco5,
2777 config/i386/xm-dgux.h, config/i860/x-sysv4,
2778 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2779 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2780 config/m68k/x-hp320g, config/m69k/x-mot3300,
2781 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2782 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2783 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2784 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2785 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2786 config/mips/x-iris, config/mips/x-iris3,
2787 config/mips/x-sni-svr4, config/mips/x-sysv,
2788 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2789 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2790 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2791 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2792 config/pa/xm-papro.h, config/romp/xm-romp.h,
2793 config/rs6000/x-aix31, config/rs6000/x-aix41,
2794 config/rs6000/x-beos, config/rs6000/x-lynx,
2795 config/rs6000/x-mach, config/rs6000/x-rs6000,
2796 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2797 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2798 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2799 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2800 config/vax/xm-vms.h: Eradicate all references to alloca and
2803 * config/xm-alloca.h, config/clipper/x-clix,
2804 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2805 config/i860/x-sysv3, config/m88k/x-sysv3,
2806 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2807 (contained only alloca related hacks).
2809 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2812 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2814 * invoke.texi: Document __FAST_MATH__.
2816 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2818 * crtstuff.c: Restore include of auto-host.h.
2820 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2822 Put main() in a separate file, so that the language
2823 front-end can use a different main().
2826 * toplev.c: (main): Rename as toplev_main.
2827 * toplev.h: Declare toplev_main.
2828 * Makefile.in (OBJS): add toplev.o.
2829 (BACKEND): remove toplev.o, add main.o.
2831 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2833 * cppfiles.c (search_from): Special case the empty string.
2835 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2837 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2838 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2839 strlen or strcpy; we already know the length.
2840 (_cpp_compare_file_date): Similarly.
2841 * cpphash.h (struct cpp_reader): Delete done_initialising.
2842 (CPP_PREV_BUFFER): Delete.
2843 * cppinit.c (cpp_start_read): Don't set done_initialising.
2844 * cpplex.c (parse_string): Guarantee null-termination.
2845 (_cpp_equiv_toklists): Remove.
2846 * cpplib.c (glue_header_name): Null-terminate.
2847 (do_line): Don't leak memory.
2848 * cpplib.h (BT_WEAK): Delete.
2849 * cppmain.c (cb_ident): Strings are now null-terminated.
2851 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2853 * gcc.c (convert_filename): Append executable suffix
2854 if NO_AUTO_EXE_SUFFIX is not defined.
2855 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2856 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2858 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2860 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2861 * c-parse.gperf, c-gperf.h: Delete.
2862 (c-gperf.h was accidently re-added to the CVS repo in the rev
2863 1.16 commit by tromey)
2865 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2867 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2868 macro arguments when looking for the '('.
2869 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2870 2 when really parsing arguments; 1 when looking for '('.
2871 Always restore the lexer position.
2873 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2875 * longlong.h (umul_ppmm): Don't use a multiline string.
2877 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2879 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2880 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2881 t_bool in declaration because pcc can't combine volatile with typedef
2884 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2886 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2887 until when it is really needed.
2888 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2889 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2890 * i386.md (float?i?f splitter): Don't force source operand to memory
2892 (sse_movdfcc): Fix constraint.
2893 (sse_movdfcc splitter): Handle properly the second alternative.
2895 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2897 * cpplex.c (parse_string): Unconditionally pedwarn.
2899 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2902 * cppexp.c (parse_number): Update.
2903 * cpplex.c (parse_string): Pedwarn if multiline string does not
2904 result from a system header's macro.
2905 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2906 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2907 for function-like macros too.
2908 * c-lex.c (lex_number): Update.
2910 2001-03-03 Richard Henderson <rth@redhat.com>
2912 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2914 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2916 * combine.c (try_combine): If split with mode-changed scratch
2917 register didn't work, try the original mode.
2919 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2921 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2922 * config/c4x/c4x.h: Likewise.
2923 * stor-layout.c (compute_record_mode): Likewise.
2924 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2926 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2928 * configure.in: Kill tm.h. Include the files in the $tm_file
2929 list in all three of config.h, hconfig.h, tconfig.h, after the
2930 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2931 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2932 * configure: Regenerate.
2933 * Makefile.in (clean): Don't delete tm.h.
2935 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2936 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2937 those are not defined, set SEC and FEC to 0 and 1.
2938 * gcc.texi: Update to match.
2940 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2941 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2942 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2943 Include tconfig.h, not tm.h.
2945 * config/xm-lynx.h, config/xm-std32.h,
2946 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2947 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2948 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2949 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2950 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2951 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2952 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2953 config/i386/xm-i386.h, config/i860/xm-i860.h,
2954 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2955 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2956 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2957 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2958 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2959 config/pa/xm-linux.h, config/pa/xm-pa.h,
2960 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2961 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2962 config/pj/xm-pj.h, config/romp/xm-romp.h,
2963 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2964 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2965 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2966 config/v850/xm-v850.h, config/vax/xm-vax.h,
2967 config/we32k/xm-we32k.h:
2969 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2971 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2972 config/i370/xm-oe.h: Don't include tm.h. Don't define
2974 * config/vax/xm-vms.h: Don't include tm.h.
2976 * config/xm-lynx.h, config/avr/xm-avr.h,
2977 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2978 Delete; made empty by above changes.
2979 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2980 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2981 Don't include config/xm-lynx.h or tm.h.
2983 * config/xm-gnu.h: Don't include fcntl.h.
2984 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2986 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2988 2001-03-02 Richard Henderson <rth@redhat.com>
2990 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2991 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2993 2001-03-02 Richard Henderson <rth@redhat.com>
2995 * Makefile.in (OBJS): Add dwarf2asm.o.
2996 * dwarf2asm.c, dwarf2asm.h: New files.
2997 * dwarf2out.c (*): Use them.
2998 (size_of_uleb128, size_of_sleb128): Remove.
2999 (output_uleb128, output_sleb128): Remove.
3000 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3001 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3002 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3003 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3004 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3005 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3006 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3007 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3008 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3009 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3010 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3011 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3012 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3013 (dwarf2out_frame_debug): Remove unused variables.
3014 (output_loc_operands): Don't abort on 8 byte constants if
3015 host integers are wide enough.
3016 (output_symbolic_ref): Remove.
3017 (size_of_die): Don't assume 4 byte host integers.
3018 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3020 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3021 something stupid with HOST_WIDE_INT to long truncation.
3022 [CONST_DOUBLE]: Likewise.
3024 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3025 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3026 * config/arm/unknown-elf.h: Likewise.
3027 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3028 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3029 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3030 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3031 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3032 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3033 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3034 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3035 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3036 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3037 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3038 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3040 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3042 * cselib.c (hash_rtx): Cast enums to unsigned int.
3044 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3046 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3047 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3049 * c-format.c (C_STD_VER): Cast to int for comparisons.
3050 (check_function_format): Cast various enums to int for &.
3051 (maybe_read_dollar_number): Likewise.
3052 (check_format_info): Likewise.
3053 (check_format_info_main): Likewise.
3054 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3055 (safe_from_p): Likewise.
3056 * varasm.c (const_hash): Cast enum to int for %.
3057 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3058 pcc enum problems with < and ++ operators.
3059 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3060 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3061 (regclass_init): Change enum class to int to iterate over reg_classes.
3062 * genrecog.c (merge_trees): Cast enums for comparison.
3063 * rtl.h (GET_CODE): Cast to enum rtx_code.
3064 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3065 (GET_MODE): Cast to enum machine_mode.
3066 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3067 (GET_NOTE_INSN_NAME): Cast enum to int.
3068 * tree.h (TREE_CODE): Cast to enum tree_code.
3069 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3070 * timevar.c (timevar_print): Change loop variable id from enum to
3072 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3073 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3074 * toplev.c (compile_file): Cast enum DFI to int.
3075 (decode_d_option): Likewise.
3077 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3079 * cppinit.c (append_include_chain): Mark "after" include file name list
3080 as a system directory.
3081 * cpp.texi: Document new behavior.
3083 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3085 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3087 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3089 * cppfiles.c (struct include_file): Update.
3090 (stack_include_file): Use search_from.
3091 (cpp_included, find_include_file): Update.
3092 (cpp_execute_include): Update. ptr->name may not be
3093 null terminated. Use the new search_from member variable
3095 (_cpp_compare_file_date): Similarly.
3096 (search_from): New function, similiar to actual_directory.
3097 (actual_directory): Delete.
3098 (remap_filename): Update. loc->name may not be null terminated.
3099 (struct file_name_list): Rename search_path. Update.
3100 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3101 search_from and dir.
3102 (struct cpp_reader): Remove actual_dirs.
3103 * cppinit.c (struct cpp_pending): Update for renamed objects.
3104 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3105 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3106 * cpplib.h (struct cpp_options): Similarly.
3108 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3110 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3111 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3112 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3113 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3114 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3115 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3116 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3117 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3118 config/i370/xm-oe.h, config/i386/xm-aix.h,
3119 config/i386/xm-i386.h, config/i386/xm-osf.h,
3120 config/i860/xm-i860.h, config/i960/xm-i960.h,
3121 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3122 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3123 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3124 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3125 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3126 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3127 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3128 config/pj/xm-pj.h, config/romp/xm-romp.h,
3129 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3130 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3131 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3132 config/v850/xm-v850.h, config/vax/xm-vax.h,
3133 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3134 Do not define TRUE or FALSE.
3136 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3137 empty by above change.
3138 * config.gcc: Remove references to these files.
3140 * configure.in: Detect stdbool.h.
3141 * configure, config.in: Regenerate.
3142 * system.h: Include stddef.h here if available.
3143 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3144 Then set up a sensible boolean type at the very end.
3146 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3147 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3149 * hash.h: Delete 'boolean' typedef and related #undefs.
3151 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3152 all uses of 'boolean' with 'bool'.
3154 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3156 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3157 * cppexp.c (lex): Cast enums for comparison.
3158 * cppinit.c (parse_option): Cast enum for comparison.
3159 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3160 (cpp_output_token): Likewise.
3161 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3162 (cpp_avoid_paste): Cast enums for minus and comparison.
3164 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3166 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3167 field to all array elements.
3169 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3171 * cpphash.h (struct cpp_reader): Add print_version field.
3172 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3173 just set print_version and other flags as appropriate.
3174 (cpp_post_options): Print version here if print_version is set.
3176 * toplev.c (exit_after_options): New flag.
3177 (independent_decode_option): Don't exit here; just set
3179 (main): Exit after calling lang_hooks.post_options if
3180 exit_after_options is true.
3182 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3183 (merge_include_chains): Adjust comment to match code.
3185 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3187 * stringpool.c (set_identifier): New function.
3188 * tree.h: Prototype it.
3190 * c-parse.in: Kill D_YES. If compiled for objc, call
3191 save_and_forget_protocol_qualifiers from init_reswords.
3192 * objc/objc-act.c (remember_protocol_qualifiers,
3193 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3194 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3196 (save_and_forget_protocol_qualifiers): New function.
3197 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3199 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3201 * c-semantics.c (prune_unused_decls): Return error_mark_node
3202 instead of (tree) 1 to stop traversing the tree chain.
3204 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3206 Fix a problem introduced by Kenner's Feb 18 change.
3207 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3208 flag_cse_skip_blocks only temporarily, not for ever.
3210 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3212 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3213 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3215 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3216 before determining its register class.
3218 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3220 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3221 from reg 4 if current_function_calls_setjmp.
3222 (gen_nop_type): New function.
3223 (ia64_emit_nops): New function.
3224 (ia64_reorg): Call it.
3225 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3227 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3228 code not to try to optimize adds with anything but a REG destination.
3230 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3231 (INSN_PRIORITY_KNOWN): New accessor macro.
3232 * haifa-sched.c (priority): Use it instead of testing priority against
3235 2001-02-28 DJ Delorie <dj@redhat.com>
3237 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3238 since that doesn't work the way gcc wants on a generic m68k.
3240 2001-02-28 Richard Henderson <rth@redhat.com>
3242 * caller-save.c (save_call_clobbered_regs): Fix typo in
3243 comparison last change.
3245 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3247 * i386.c (pentium4_cost): New.
3248 (m_PENT4): New macro.
3249 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3250 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3251 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3252 x86_memory_mismatch_stall): Add Pentium4
3253 (x86_use_q_reg, x86_use_any_reg): Kill.
3254 (override_options): Add pentium4.
3255 (incdec_operand): Return 0 for pentium4.
3256 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3257 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3258 (TARGET_PENTIUM4): Define.
3259 (enum processor_type): Add PROCESSOR_PENTIUM4.
3260 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3261 * i386.md (attribute "cpu"): Add pentium4.
3262 * invoke.texi (march): Add pentium4.
3264 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3266 * i386.md (sse_mov?fcc*): New patterns and splitters.
3267 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3268 the SSE based conditional moves.
3270 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3272 * i386.md (attribute mode): Add "TI".
3273 (movsf_1): Add pxor support; remove constant propagation splitter.
3274 (movdf_integer): Likewise.
3275 (movdf_nointeger): Likewise.
3276 (movxf constant prop splitter): Handle all modes; update for SSE.
3277 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3278 * i386.c (standard_80387_constant_p): Rewrite.
3279 (standard_sse_constant_p): New.
3280 * i386-protos.h (standard_sse_constant_p): New.
3282 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3284 * i386.md (sse_setccsf, sse_setccdf): New.
3285 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3287 * i386.c (sse_comparison_operator): Accept the supported unordered
3288 comparses; be ready for fast_math.
3289 (print_operand): Support 'D'.
3291 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3293 * jump.c (reversed_comparison_code): Kill.
3295 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3297 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3300 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3302 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3303 add missing '%' in constraints.
3305 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3307 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3308 for HOST_BITS_PER_WIDE_INT == 32 too.
3310 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3312 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3314 (insert_save, insert_restore): New parameter save_mode.
3315 (init_caller_save): Update initialization of reg_save_code
3316 and reg_restore_code.
3317 (save_call_clobbered_regs): Compute save_modes and update calls to
3318 reg_save_code and reg_restore_code.
3319 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3320 of spill; update use of reg_restore_code.
3321 (insert_save): Likewise.
3322 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3323 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3324 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3326 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3328 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3329 noce_try_store_flag_inc, noce_try_store_flag_mask,
3330 noce_try_cmove_arith):
3331 Use reversed_comparison_code instead of reverse_comparison and
3332 can_reverse_comparison_p.
3334 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3336 * jump.c (reversed_comparison_code_parts): Allow reversal of
3337 unordered compares in -ffast-math mode; reverse ordered compares
3338 for FP even w/o -ffast-math.
3340 2001-02-27 Richard Henderson <rth@redhat.com>
3342 * print-rtl.c (print_rtx) [i]: Don't print field five on
3343 NOTEs other than NOTE_INSN_DELETED_LABEL.
3345 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3347 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3348 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3350 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3352 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3353 even if walk_subtrees is 0.
3354 * c-semantics.c (prune_unused_decls): Return a non-null value to
3355 stop traversing the tree chain.
3357 2001-02-27 DJ Delorie <dj@redhat.com>
3359 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3360 register, *then* define it as the new CFA.
3362 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3364 * pa.c (override_options): Promote -fpic to -fPIC.
3365 (legitimize_pic_address): Simplify due to removal of
3366 small PIC as a code generation option.
3367 (secondary_reload_class): Similarly.
3368 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3369 (PRINT_OPERAND_ADDRESS): Similarly.
3370 * pa.md (various patterns): Similarly.
3371 (small pic lo_sum pattern): Remove.
3373 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3376 * md.texi (min, max): Document
3378 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3380 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3381 TARGET_PARTIAL_REG_DEPENDENCY.
3382 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3384 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3386 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3388 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3390 * mips.c (mips_make_temp_file): Fix thinko in last change.
3392 2001-02-26 Jason Eckhardt <jle@redhat.com>
3394 * combine.c (known_cond): Do not reverse the condition when
3395 SMAX/UMAX is being considered and the condition is for equality
3398 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3400 2001-02-26 Philip Blundell <philb@gnu.org>
3402 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3404 * config/arm/linux-elf.h: Remove historical relics related to
3405 above configurations.
3406 * config/arm/linux-oldld.h: Delete.
3407 * config/arm/linux-elf26.h: Delete.
3409 2001-02-26 Jason Merrill <jason@redhat.com>
3411 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3413 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3414 recognize a tentative definition. Lose obsolete code.
3416 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3417 variables unless necessary, either.
3419 2001-02-25 Richard Henderson <rth@redhat.com>
3421 * ifcvt.c (struct noce_if_info): Add test_bb.
3422 (noce_get_alt_condition): New.
3423 (noce_try_minmax, noce_try_abs): New.
3424 (noce_operand_ok): New.
3425 (noce_process_if_block): Use them.
3426 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3428 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3430 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3433 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3435 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3436 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3438 (mips_asm_file_end): Free temp_filename here.
3440 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3442 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3443 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3445 * config/i386/i386.md (movstrsi): Handle FAIL case.
3447 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3449 * cppinit.c (builtin_array): Update.
3450 (init_builtins): Flag builtins to warn if redefined or
3451 undefined. Define __GXX_WEAK as a normal macro.
3452 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3453 * cpplib.h (NODE_WARN): New flag.
3454 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3455 Handle __STDC__ as a builtin only on Solaris.
3456 (warn_of_redefinition): Renamed from check_macro_definition.
3457 Reverse sense of test. Always warn if NODE_WARN.
3458 (_cpp_create_definition): Use warn_of_redefinition. Flag
3459 any macro beginning with "__STDC_" to require a mandatory
3460 warning if redefined or undefined.
3462 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3464 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3465 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3466 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3467 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3468 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3469 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3470 Don't define any of:
3471 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3472 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3473 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3474 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3475 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3477 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3478 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3481 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3482 Delete now-empty file.
3484 * alpha/vms.h: Define NEED_ATEXIT here...
3485 * alpha/xm-vms.h: ...not here.
3487 * i386/cygwin.h: Don't define PARAMS.
3488 * mips/mips.c: Don't prototype mktemp. Don't define
3489 P_tmpdir. Use make_temp_file to create temporary files.
3490 Don't be clever and delete temporary files early.
3491 * config.gcc: Drop references to deleted files. Don't define
3493 * gcc.texi: Don't mention USE_PROTOTYPES.
3495 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3497 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3498 (ix86_set_move_mem_attrs_1): Likewise.
3499 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3500 * config/i386/i386.md (movstrsi): Call it.
3502 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3504 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3505 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3506 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3507 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3509 (i750a-*-*): Error here if hosting on i750a.
3510 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3512 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3513 Remove (empty modulo comments).
3515 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3516 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3517 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3518 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3519 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3520 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3522 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3523 Remove reference to winnt.h in comment.
3524 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3526 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3528 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3529 used to set another biv.
3531 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3533 * tree.h (BLOCK_DEAD): New macro.
3534 (struct tree_block): New flag, dead_flag.
3535 * print-tree.c (print_node, case 'b'): Print missing fields.
3536 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3537 * function.c (identify_blocks): Enable test for misplaced notes.
3538 (all_blocks): Skip BLOCK_DEAD blocks.
3539 * integrate.c (integrate_decl_tree): Likewise.
3541 * errors.c (internal_error, trim_filename): New functions.
3542 (fancy_abort): Call internal_error.
3543 * errors.h (internal_error, trim_filename): New declarations.
3545 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3547 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3549 (EXTRA_CONSTRAINT): Formatting changes.
3551 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3553 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3555 2001-02-23 Per Bothner <per@bothner.com>
3557 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3558 so they can be called from java/jvspec.c.
3559 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3561 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3563 * i386.c (ix86_frame): New structure.
3564 (ix86_compute_frame_size): Kill.
3565 (ix86_compute_frame_layout): New.
3566 (ix86_save_reg): New.
3567 (ix86_can_use_return_insn_p): Use frame layout stuff.
3568 (ix86_expand_prologue): Likewise.
3569 (ix86_expand_epilogue): Likewise.
3570 (ix86_initial_elimination_offset): Likewise.
3571 (ix86_nsaved_regs): Use ix86_save_reg.
3572 (ix86_emit_save_regs): Likewise.
3574 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3576 * flow.c (find_sub_basic_blocks): New function.
3577 (split_block): Be ready for basic block introduced by CODE_LABEL.
3578 (commit_one_edge_insertion): Call find_sub_basic_block.
3580 * flow.c (make_edges): Add edge from entry for blocks starting with
3581 label having ALTERNATE_NAME
3583 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3585 * function.c (epilogue_done): Be ready for first basic block not
3586 containing PROLOGUE_END note.
3587 (reposition_prologue_and_epilogue_notes): Avoid placing
3588 PROLOGUE_END note between BASIC_BLOCK.
3590 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3592 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3594 2001-02-21 DJ Delorie <dj@redhat.com>
3596 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3597 check for current_function_has_nonlocal_goto from 1999-11-12.
3599 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3601 * diagnostic.c (trim_filename): No longer static.
3602 * toplev.h (trim_filename): Declare.
3603 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3604 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3605 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3606 (rtvec_check_failed_bounds): Likewise.
3607 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3609 * convert.c (convert_to_integer): Don't do unsigned unless result or
3610 both inputs are unsigned.
3612 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3615 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3617 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3619 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3621 * Makefile.in (resource.o): Add params.h dependence.
3622 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3623 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3624 * resource.c: Add dependence on params.h.
3625 (current_live_regs): Fix explanatory comment.
3626 (find_basic_block): Add new parameter to permit limiting search
3628 (mark_target_live_regs): Add new argument to find_basic_block call.
3629 (incr_ticks_for_insn): Likewise.
3631 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3633 * diagnostic.c (output_to_stream): Rename to
3634 output_buffer_to_stream. Loses the stream parameter.
3635 (init_output_buffer): Set diagnosic_buffer's stream.
3636 (flush_diagnostic_buffer): Adjust.
3637 (default_print_error_function): Likewise.
3638 (finish_diagnostic): Likewise.
3639 (verbatim): Likewise.
3641 * diagnostic.h (struct output_buffer): Add `stream' field.
3642 (output_buffer_attached_stream): New macro.
3644 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3646 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3647 check if either operand is divisible by C.
3648 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3649 If type is signed, consider negative numbers as well.
3651 2001-02-22 Richard Henderson <rth@redhat.com>
3653 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3654 reach .text instead of gp-relative relocs.
3655 * config/ia64/crtend.asm (.init): Likewise.
3657 2001-02-22 Andreas Jaeger <aj@suse.de>
3659 * extend.texi (C++ Attributes): Fix typo.
3661 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3663 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3664 functions, drop current_function_args_info.words test.
3665 (ia64_compute_frame_size): Mark syscall_linkage functions as
3666 using eight input registers.
3668 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3669 Bruce Korb <bkorb@gnu.org>
3671 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3672 * fixinc/README: Document how to convert sed substitutions
3673 to format style c_fix-es.
3674 * fixinc/fixincl.x: regen
3676 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3678 * gcc.c: Add comment explaining how to add a command-line option.
3679 Add title to specs language comment.
3681 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3683 * gcc.c (cc1_options): Add "-param".
3684 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3685 (option_map): Likewise.
3686 * toplev.c (display_help): Add entry for "--param".
3687 (independent_decode_option): Fix typographical error.
3689 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3690 Bernd Schmidt <bernds@redhat.com>
3691 Jan Hubicka <jh@suse.cz>
3693 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3694 (function_arg): Likewise.
3696 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3698 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3700 2001-02-21 Kazu Hirata <kazu@hxi.com>
3702 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3706 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3708 * flow.c (init_propagate_block_info): Canon address and use single_set
3709 for killing dead memory stores.
3711 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3713 * Makefile.in (reorg.o): Add params.h dependence.
3714 * params.def: Fix typographical error in comment.
3715 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3716 * params.h: Modify introductory comment.
3717 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3718 * reorg.c: Add dependence on params.h.
3719 (redundant_insn): Add parameterized throttle for search.
3720 (fill_simple_delay_slots): Add a comment explaining a variable.
3721 Move conditional out of loop, simplifying code.
3722 (fill_eager_delay_slots): Fix typographical error in comment.
3724 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3726 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3728 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3729 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3731 2001-02-21 Jason Merrill <jason@redhat.com>
3733 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3734 (struct tree_decl): Add uninlinable bitfield.
3735 * c-decl.c (duplicate_decls): Set it.
3736 * integrate.c (function_cannot_inline_p): Check it.
3738 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3739 DW_AT_MIPS_linkage_name to abstract methods.
3740 (dwarf2out_abstract_function): Emit class context before calling
3741 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3742 (gen_subprogram_die): Remove obsolete code.
3743 (gen_member_die): Don't include clones in the member list.
3744 (gen_decl_die): Emit abstract info for clone origin.
3745 * dwarfout.c (output_type): Don't include clones in the member list.
3746 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3747 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3748 DECL_ABSTRACT on a function that already has it set.
3750 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3751 (get_subprogram_die): Pass it in.
3753 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3755 * flow.c (mark_set_1): Make not_dead unsigned long. For
3756 non-pseudos, use it as a bitmask of the hard regs that
3759 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3761 * cppfiles.c: Update comments.
3762 (_cpp_read_file): Don't check for NULL filenames any more.
3763 * cppinit.c (cpp_start_read): Don't do canonicalization of
3764 in_fname and out_fname. Use the passed file name exclusively.
3765 (_cpp_handle_options): Don't treat "-" as a command line option,
3766 but as a normal filename.
3767 (_cpp_post_options): Canonicalize in_fname and out_fname.
3768 * cppmain.c (printer_init): Don't check out_fname for NULL.
3769 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3770 (init_c_lex): Update, and use "" to represent stdin to CPP.
3773 2001-02-20 Will Cohen <wcohen@redhat.com>
3775 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3776 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3777 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3780 2001-02-20 Stan Shebs <shebs@apple.com>
3782 * config/rs6000/rs6000.c (output_cbranch): Output branches
3783 on separate lines instead of using ';' to separate.
3785 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3787 * cppinit.c (set_lang): Move builtin handling to...
3788 (init_builtins): ...here.
3789 (_cpp_create_reader): Move call to set_lang.
3791 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3793 * stmt.c (expand_return): If an attempt is made to return the
3794 error_mar_node, treat the return like a return without a value.
3796 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3798 * sibcall.c (skip_copy_to_return_value): Call
3799 identify_call_return_value here, and return orig_insn if it
3800 returns zero. Hardret and softret arguments now unnecessary.
3801 (call_ends_block_p): Don't call identify_call_return_value here.
3803 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3805 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3806 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3808 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3810 * pa.c (move_operand): Accept code to load the address of a
3811 symbol out of the DLT as a valid move operand.
3812 (print_operand, case 'A'): New to handle generating a DLT
3813 reference for a LO_SUM expression.
3814 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3815 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3817 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3819 * README, cpp.texi, gcc.texi, version.c: Update version number to
3821 * cpp.1, gcov.1, gcc.1: Regenerate.
3823 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3825 * cppfiles.c (stack_include_file): Generate dependencies
3826 here, and manage include_count here too.
3827 (PRINT_THIS_DEP): Delete.
3828 (_cpp_execute_include): Do not generate dependencies here,
3829 apart from the case of a missing header. Do not manage
3831 (_cpp_read_file): Leave dependency generation to
3834 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3836 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3837 target_cpu_default. Remove dead assignment to
3840 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3842 * regclass.c (contains_reg_of_mode): Make global.
3843 (init_reg_sets): Remove contains_reg_of_mode; take into account
3844 CLASS_MAX_NREGS when looking for the proper mode.
3845 (dump_regclass): Dump only classes considered for the pseudo.
3846 (regclass): Use contains_reg_of_mode.
3848 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3850 * gcc.c (do_spec_1): 'n' for printing notices.
3851 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3853 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3855 * reg-stack.c (next_flags_user): Use current_block->end
3856 (swap_rtx_condition): Look for next user if flags don't die;
3857 give up on CALL_INSNs; use current_block->end.
3859 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3861 * sibcall.c (call_ends_block_p): New function.
3862 (optimize_sibling_and_tail_recursive_call): Use it.
3864 2001-02-18 Kazu Hirata <kazu@hxi.com>
3866 * config/h8300/h8300.md: Update copyright.
3867 (andsi3): Do not output an extra newline character.
3869 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3871 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3872 FNDECL may be unused.
3874 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3875 follow jumps after first run.
3876 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3877 it doesn't change any jumps.
3879 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3881 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3882 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3883 (mostlyclean): Corresponding changes.
3884 * rtlanal.c (hard-reg-set.h): Include.
3885 (rtx_unstable_p): Do not treat the argument pointer specially
3886 if it is not a fixed register.
3887 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3889 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3891 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3892 against last real insn in basic block.
3893 Rework to avoid gotos.
3895 * Makefile.in (gcse.o): Now includes ggc.h.
3896 * gcse.c: Include ggc.h.
3897 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3898 (try_replace_reg): Remove warning of uninitialize variable.
3899 (process_insert_insn): Call invalid_insn_p to validate insn.
3900 * recog.c (insn_invalid_p): Now global.
3901 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3902 * recog.h (insn_invalid_p): New declaration.
3904 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3906 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3907 assignments from FP constants since 'Y' output code can't handle it.
3908 (eligible_for_sibcall_delay): Likewise.
3910 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3911 Call fancy_abort directly, passing args.
3912 (print_rtl_and_abort): Now a macro, like fancy_abort.
3914 * final.c (output_operand_lossage): Use internal_error, not error.
3916 2001-02-18 Shane Nay <shane@agendacomputing.com>
3918 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3919 structure shift insns.
3921 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3923 * invoke.texi (-fsquangle): Remove documentation.
3924 (-fname-mangling-version): Likewise.
3926 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3928 * optabs.c (expand_abs): Remove reference to
3929 HAVE_contitional_arithmetic.
3930 * combine.c (simplify_set): Likewise.
3932 2001-02-18 Richard Henderson <rth@redhat.com>
3934 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3937 2001-02-18 Richard Henderson <rth@redhat.com>
3939 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3941 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3943 * reload1.c (reload_cse_simplify_set): Fix typo.
3945 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * diagnostic.c (_fatal_insn): Decrement errorcount.
3949 * invoke.texi (-I): Add note avoiding use for system header files.
3951 * rtl.h (add_clobbers): Remove duplicate declaration.
3952 * recog.h (added_clobbers_hard_reg_p): New declaration.
3953 * genemit.c (struct clobber_pat): New field has_hard_reg.
3954 (gen_insn): Record if added clobbers clobber hard reg.
3955 (gen_split): Avoid unused warning if number of operands is 0.
3956 (output_added_clobbers_hard_reg_p): New function.
3959 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3961 * pa.c (hppa_expand_prologue): Simplify code storing return
3962 pointer. For large (>=8k) frames with a post_store, adjust stack
3963 pointer by 8k-64 first rather than by 64. When testing with
3964 VAL_14_BITS_P, always use the actual value rather than the value
3965 negated. Add blockage to prevent scheduling of spills before
3966 stack frame has been created.
3967 (hppa_expand_epilogue): Simplify code loading return pointer.
3968 Allow a slightly larger range for merge_sp_adjust_with_load case.
3969 When testing with VAL_14_BITS_P, always use the actual value.
3971 * pa.c (pa_adjust_insn_length): Check that block move
3972 pattern is a set before looking at operands.
3974 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3976 * fold-const.c (fold_binary_op_with_conditional_arg): New
3977 function, split out from ...
3979 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3980 conditional arms that throw exceptions.
3982 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3985 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3987 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3988 define HAVE_DECL_* to 1 to mask potential backup declarations.
3989 * configure: Regenerated.
3991 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3993 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3995 2001-02-17 Richard Henderson <rth@redhat.com>
3997 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3998 when replacing a memory load with a register.
4000 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4001 Jan Hubicka <jh@suse.cz>
4003 * recog.c (validate_replace_src_1): New.
4004 (validate_replace_src_data): Likewise.
4005 (validate_replace_src): Use note_uses.
4006 * rtl.h (note_uses): Declare.
4007 * rtlanal.c (note_uses): New.
4009 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4011 * reg-stack.c (stack_def): Make field reg unsigned.
4012 (remove_regno_note): Unsignetize parameter.
4014 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4016 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4017 shladd_operand() call.
4019 2001-02-16 Bruce Korb <bkorb@gnu.org>
4020 Rodney Brown <RodneyBrown@mynd.com>
4022 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4023 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4024 machine restrictions
4025 * fixinc/fixincl.x: regen
4027 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4029 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4031 (hash_scan_insn): Clean up calls to hash_scan_set.
4032 (compute_kill_rd): REGNO now unsigned.
4033 (try_replace_reg): Rework to use simplify_replace_rtx.
4034 (cprop_jump, cprop_cc0_jump): Likewise.
4035 (cprop_insn): Call find_reg_equal_equiv_note.
4036 Reflect changes to cprop_jump and cprop_cc0_jump.
4038 * recog.c (validate_replace_src): Replace in operands of
4039 ZERO_EXTRACT in SET_DEST.
4041 * cse.c (new_label_ref): New variable.
4042 (insert): Set it instead of recorded_label_ref.
4043 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4044 CODE_LABEL for this function, and not already in REG_LABEL note.
4046 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4048 * resource.c (mark_referenced_resources): Fix typo in introductory
4050 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4053 2001-02-16 Jason Merrill <jason@redhat.com>
4055 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4057 (gen_subprogram_die): Don't abort on seeing a second definition if
4058 the previous one was abstract. Don't replace an abstract instance
4059 in the lookup table.
4061 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4062 gen_abstract_function.
4063 * dwarf2out.h: Declare it.
4064 * toplev.c (note_outlining_of_inline_function): New fn.
4065 * toplev.h: Declare it.
4066 * integrate.c (output_inline_function): Call it.
4067 * c-decl.c (duplicate_decls): Call it when redefining an extern
4068 inline. Don't inline the new defn.
4070 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4072 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4074 * .gdbinit: Rename to gdbinit.in.
4075 * gdbinit.in: New file,
4076 * configure.in: Generate .gdbinit from gdbinit.in.
4077 * configure: Regenerated.
4078 * Makefile.in (distclean): Always remove .gdbinit.
4080 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4082 * objc/objc-act.c (start_class): Register implemented_classes with
4085 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4087 * cppfiles.c (_cpp_make_system_header): Generate a file
4090 2001-02-15 Jim Meyering <meyering@lucent.com>
4092 * Makefile.in (install-common): Don't depend on installdirs here.
4093 Instead, make each of the lang.install-common targets (e.g.,
4094 c++.install-common in cp/Make-lang.in) depend on it.
4095 (install-driver): Depend on installdirs.
4097 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4099 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4101 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4104 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4106 * invoke.texi (--param): Document.
4108 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4110 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4112 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4114 * i386.md (extendsfdf2_2): Fix constraints.
4116 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4118 * i386.md (fop_df_3 splitter): Fix operand number.
4120 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4122 * invoke.texi (-mreg-alloc): Nuke.
4123 * i386.c (ix86_reg_alloc_order, regs_allocated,
4124 order_regs_for_local_alloc): Nuke.
4125 (override_options): Kill reg_alloc code.
4126 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4127 (REG_ALLOC_ORDER): SSE goes before I387.
4128 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4129 (ix86_reg_alloc_order): Likewise.
4130 * i386-protos.h (ix86_reg_alloc_order): Kill.
4132 2001-02-14 Richard Henderson <rth@redhat.com>
4134 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4136 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4138 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4140 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4142 * i386-protos.h (ix86_memory_move_cost): Move offline.
4143 * i386.c (ix86_register_move_cost): Compute properly cost of
4144 SSE, MMX and i387 instructions.
4145 (*_cost): Add costs of SSE/MMX moves.
4146 (ix86_memory_move_cost): Move offline from ....; Likewise.
4147 * i386.h (MEMORY_MOVE_COST): .... here;
4148 (struct processor costs): Add new fields to represent costs
4151 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4153 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4154 move_cost together with Matt Kraai's fix.
4156 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4158 * Makefile.in (OBJS): Add params.o.
4160 2001-02-14 Richard Henderson <rth@redhat.com>
4161 DJ Delorie <dj@redhat.com>
4163 * jump.c (jump_optimize_1): When we delete a conditional jump
4164 preceeding a non-conditional jump to effectively the same place,
4165 make sure that the combined jump skips any clobber insns between
4168 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4170 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4172 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4174 * Makefile.in (toplev.o): Depend on params.h.
4175 (intergate.o): Likewise.
4176 (params.o): New target.
4177 * flags.h (inline_max_insns): Remove.
4178 * integrate.c: Include params.h.
4179 Use MAX_INLINE_INSNS instead of inline_max_insns.
4180 * params.c: New file.
4181 * params.h: Likewise.
4182 * params.def: Likewise.
4183 * toplev.c: Include params.h.
4184 (lang_independent_params): New variable.
4185 (decode_f_option): Use the param machinery instead of setting
4187 (independent_decode_option): Handle "--param name=value".
4188 (main): Register language-independent parameters.
4190 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4192 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4194 2001-02-14 Richard Henderson <rth@redhat.com>
4196 * regclass.c (init_reg_sets_1): Revert last two changes.
4198 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4200 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4201 (variable_size): Call put_pending_size.
4202 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4203 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4204 sizes list, put newly created SAVE_EXPR there as well.
4206 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4208 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4209 (errata_find_address_regs): load_group has only 2 entries.
4210 (errata_emit_nops): Likewise. shladd is not problematic.
4211 Clear last_group if nop was emitted.
4212 (fixup_errata): load_group has only 2 entries.
4215 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4217 * c-lex.c (lex_number): Only warn traditionally for U suffix
4218 outside system macros.
4219 * cppexp.c (parse_number): Similarly.
4220 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4221 * cppmacro.c (struct cpp_macro): New member node.
4222 (parse_args): Only warn about missing rest args if not
4224 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4225 (cpp_sys_objmacro_p): New.
4226 (_cpp_create_definition): Store the node with the macro defn.
4227 Remember if the macro is defined in a system header.
4229 2001-02-13 DJ Delorie <dj@redhat.com>
4231 * configure.in (check_languages): determine languages to check
4232 * Makefile.in (check-c++): alias for check-g++
4233 (check-f77): alias for check-g77
4234 (CHECK_TARGETS): depend on configured languages
4236 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4238 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4239 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4240 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4241 (sqrtextendsfdf2): Disable for SSE2.
4243 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4245 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4246 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4247 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4248 (sqrtextendsfdf2): Disable for SSE2.
4250 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4252 * i386.md (movsfcc_1): Support integer cmove instruction.
4253 (movdfcc_1): Likewise; new splitter.
4255 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4257 * i386.c (output_fp_compare): Support SSE.
4258 (prepare_fp_compare_args): SSE comparisons always support memory.
4259 * i386.h (TARGET_CMOVE): SSE imply cmove.
4260 * i386.md (cmp?f2): Enable for SSE too.
4261 (cmpfp_i*): Support SSE.
4263 (cmpfp_i_sse_only): New.
4264 (s*, b* fp expanters): Enable for SSE too.
4265 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4268 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4270 * regclass.c (init_reg_sets_1): Silence warning.
4272 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4274 * i386.md (sqrt?f2): Change to expander.
4275 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4277 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4279 * rtlanal.c (find_reg_equal_equiv_note): New function.
4280 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4281 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4282 * rtl.h: Add declarations for above functions.
4284 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4286 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4288 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4289 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4290 * flow.c (mark_regs_live_at_end): Likewise.
4291 (calculate_global_regs_live): Likewise.
4292 * gcse.c (compute_hash_table): Likewise.
4293 (compute_kill_rd): Likewise.
4294 * resource.c (mark_target_live_regs): Likewise.
4295 * rtl.h (INVALID_REGNUM): New macro.
4297 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4299 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4301 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4303 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4306 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4308 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4310 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4311 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4312 (fop_sf_1_sse, fop_df_1_sse): New patterns
4313 (fop_*): Disable float_extend and float patterns for SSE compilation.
4314 * i386.c (output_387_binary_op): Support SSE.
4316 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4318 * i386.md (dummy_extendsfdf2): Support SSE2
4319 (extendsfdf2): Enable if 80387 or SSE2.
4320 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4321 and no MIX_I387_SSE2
4322 (extendsfdf2_1_sse_only): New pattern.
4323 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4325 (truncdfsf2_1): Support SSE.
4326 (truncdfsf2_2): Support SSE.
4327 (truncdfsf2_2_1_sse): New pattern.
4328 (fixtruncsfsi2): Always use SSE if available.
4329 (fix_truncsfsi_sse): New pattern.
4330 (fix_truncdfsi_sse): New pattern.
4331 (floatsis?f2): Support SSE.
4332 (floatsidf2_i387): New pattern.
4333 (floatsidf2_sse): Likewise.
4335 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4337 * configure.in: Use "have_gnat" variable, not "gnat".
4338 * configure: Regenerated.
4340 * config/sparc/sparc.c (function_value): Treat all non-record
4341 aggregate types like used to treat UNION_TYPE.
4343 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4345 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4346 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4348 (MASK_MIX_SSE_I387): New.
4349 (TARGET_SSE): SSE2 imply SSE.
4350 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4351 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4352 (enum reg_class): Add new classes.
4353 (REG_CLASS_NAMES): Likewise.
4354 (REG_CLASS_CONTENTS): Likewise.
4355 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4356 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4357 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4358 (CLASS_MAX_NREGS): Use new macros.
4359 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4360 * i386.md (pushsf, movsf): Support SSE.
4361 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4362 splitters to use ANY_FP_REGNO_P.
4363 (movdf_nointeger, movdf_integer): Likewise.
4365 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4367 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4368 (try_combine): Use it.
4370 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4372 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4373 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4374 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4375 (REGISTER_MOVE_COST): Likewise.
4376 * i386-protos.h (ix86_secondary_memory_needed,
4377 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4378 * i386.c (ix86_secondary_memory_needed,
4379 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4381 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4383 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4384 (HARD_REGNO_MODE_OK): Move offline to ....
4385 * i386.c (ix86_hard_regno_mode_ok) ... here;
4386 refuse all incorrect modes.
4387 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4389 2001-02-13 Richard Henderson <rth@redhat.com>
4391 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4392 entire operator; replicate that and match_dup the operands.
4393 (cmp_ccx_arith_op_set): Likewise.
4394 (cmp_cc_arith_op_not_set): Likewise.
4395 (cmp_ccx_arith_op_not_set): Likewise.
4397 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4399 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4401 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4403 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4404 (TARGET_NO_BITFIELD_WORD): New macro.
4405 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4406 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4408 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4410 * cselib.c: New file, from simplify-rtx.c.
4411 * simplify-rtx.c: Remove cselib parts.
4412 * Makefile.in: Add cselib.o.
4414 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4416 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4417 (setup_incoming_varargs): Remove warning.
4419 * config/rs6000/rs6000.c (validate_condition_mode): When
4420 flag_fast_math, allow floating-point conditionals to be reversed.
4421 (rs6000_generate_compare): When flag_fast_math, don't generate
4422 cror operations for FP conditionals.
4424 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4426 (ASM_SPEC): Likewise.
4427 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4428 (CC1_SPEC): Likewise.
4429 (LINK_TARGET_SPEC): Likewise.
4430 (CPP_ENDIAN_SPEC): Likewise.
4431 * Makefile.in (check-consistency): New target.
4433 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4435 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4436 "return type defaults" warning for functions with return type
4438 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4439 function declarations by default rather than only when pedantic.
4441 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4443 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4446 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4448 * extend.texi (Deprecated): Deprecate new initializer lists.
4450 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4452 * mkdeps.c (deps_add_default_target): Robustify. Add
4453 basename component only.
4454 * cpp.texi (-M): Describe how default target is generated.
4455 * invoke.texi (-M): Likewise.
4457 2001-02-12 Kazu Hirata <kazu@hxi.com>
4459 * toplev.c (push_float_handler): Remove.
4460 (pop_float_handler): Remove.
4461 * toplev.h: Remove prototypes for the above functions.
4463 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4465 * c-common.c (constant_fits_type_p): New function.
4466 (convert_and_check): Use it.
4468 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4470 * Makefile.in (GXX_ABI_FLAG): Don't define.
4471 * configure.in (--enable-new-gxx-abi): Remove option.
4472 * config.in: Regenerated.
4473 * configure: Likewise.
4475 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4477 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4479 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4480 regular basic block, and arrange for all edges into it to switch
4483 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4485 * Makefile.in (distclean): Do not remove .gdbinit.
4487 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4489 * Makefile.in (gcc.o): Fix typos.
4490 (protize.o): Likewise.
4491 (unprotoize.o): Likewise.
4493 2001-02-11 Richard Henderson <rth@redhat.com>
4495 * tree.c (build1): Check for null operand in last change.
4497 2001-02-11 Richard Henderson <rth@redhat.com>
4499 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4500 (fold): Don't assume a constant isn't foldable.
4501 * tree.c (build): Set TREE_CONSTANT for an expression with no
4502 side-effects and constant operands.
4505 2001-02-10 Richard Henderson <rth@redhat.com>
4507 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4509 2001-02-10 Anthony Green <green@redhat.com>
4511 * cpp.texi (Standard Predefined): Add documentation for
4514 * c-common.c (combine_strings): Improve warning message.
4516 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4518 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4520 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4522 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4524 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4527 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4529 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4532 2001-02-09 Nick Clifton <nickc@redhat.com>
4534 * config/arm/arm.md: Change output contraint on post inc
4535 load/store multiple patterns to be a read/write contraint.
4537 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4539 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4540 .o files when using the -M options.
4542 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4543 David Edelsohn <edelsohn@gnu.org>
4545 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4546 handle DImode constants. Use one TOC entry for SImode and smaller
4547 constants, aligned properly.
4549 2001-02-08 Jason Merrill <jason@redhat.com>
4551 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4552 about the SP adjustment for saving the static chain pointer.
4553 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4554 offset when setting a temporary CFA register.
4556 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4558 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4559 powerpc-*-chorusos* .
4560 * config/rs6000/chorus.h : New file.
4561 * config/i386/chorus.h : New file.
4562 * config/sparc/chorus.h : New file.
4563 * config/sparc/t-chorus-elf : New file.
4565 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4567 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4568 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4569 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4570 (__WCHAR_TYPE__): Correct macro name.
4572 2001-02-08 Richard Henderson <rth@redhat.com>
4574 * config/i386/i386.c (ix86_frame_pointer_required): New.
4575 (ix86_setup_frame_addresses): New.
4576 (struct machine_funciton): Add accesses_prev_frame.
4577 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4578 ix86_frame_pointer_required.
4579 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4580 (SETUP_FRAME_ADDRESSES): New.
4581 * config/i386/i386-protos.h: Update.
4582 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4583 from FRAME_POINTER_REQUIRED.
4584 * config/i386/svr3gas.h: Likewise.
4585 * config/i386/sysv3.h: Likewise.
4586 * config/i386/v3gas.h: Likewise.
4588 2001-02-08 Richard Henderson <rth@redhat.com>
4590 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4591 calculation of the number of integer registers required.
4592 (function_arg_record_value): Likewise.
4594 2001-02-08 Jason Merrill <jason@redhat.com>
4596 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4597 two. Print file and line with "confused" message.
4599 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4601 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4603 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4605 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4607 * final.c (cleanup_subreg_operands): The address of a MEM can
4610 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4613 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4615 * gcc.texi (Incompatibilities): Update documentation of
4616 preprocessing numbers.
4618 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4620 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4622 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4624 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4626 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4627 * gcc.c (struct compiler): Add cpp_spec field.
4628 (input_file_compiler): New variable.
4629 (do_spec_1): Allow a particular compiler to handle `%C'
4631 (main): Store the current compiler in input_file_compiler.
4632 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4634 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4636 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4637 * cppinit.c (cpp_create_reader): Initialize them.
4638 (append_include_chain): cxx_aware arg might be unused.
4639 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4640 keywords and give them their phase 7 meaning. Pedwarn about
4641 this unless '__bool_true_false_are_defined' is defined.
4643 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4645 * lcm.c (optimize_mode_switching): Emit mode_set before the
4646 JUMP_INSN of an abnormal edge.
4648 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4650 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4651 a scheduling barrier at the end.
4653 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4655 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4657 * config/sh/sh.md (reload_outsf): Removed.
4658 (movsf_ie): Introduce constraints for FPUL loads and stores.
4659 (reload_insf): Broaden the output constraint.
4661 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4663 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4664 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4666 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4668 * final.c: Revert my previous changes.
4669 * output.h: Make profile_label_no extern.
4670 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4671 for generating label.
4673 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4675 * config/i386/djgpp.h: Add comments about standard paths.
4676 (MD_EXEC_PREFIX): Undefine before defining.
4677 (MD_STARTFILE_PREFIX): New.
4679 2001-01-30 Bruce Korb <bkorb@gnu.org>
4681 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4682 (load_file): do not rely on load_file_data() to close file pointer
4683 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4684 fixinc/inclhack.def(irix_limits_const): add test_text
4686 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4688 * cppexp.c (parse_defined): Improve diagnostics for invalid
4691 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4693 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4695 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4697 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4698 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4699 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4700 (rs6000_output_symbol_ref): New function.
4701 (output_toc): Use VTABLE_NAME_P.
4703 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4705 * print-tree.c (print_node, case PARM_DECL):
4706 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4708 * stor-layout.c (reference_types_internal): New variable.
4709 (internal_reference_types): New function.
4710 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4711 * tree.h (internal_reference_types): New declaration.
4713 * cse.c (find_best_addr): Fix typo in computing cost.
4715 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4717 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4718 and this is the sum of a pointer and a constant, we know the result
4720 (num_sign_bit_copies, case PLUS): Likewise.
4721 * explow.c (convert_memory_address): Remove opposite SUBREG.
4722 * function.c (instantiate_new_reg): New function (from common code).
4723 (instantiate_virtual_regs_1): Call it.
4724 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4725 if pointers sign- or zero-extend.
4726 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4727 If pointers extend unsigned, use inside of SUBREG.
4728 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4730 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4732 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4733 subdir of gcc_gxx_include_dir.
4734 (gcc_gxx_target_include_dir): Remove.
4736 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4738 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4739 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4740 a high-level description.
4742 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4744 * final.c: Move the declaration of profile_label_no to ...
4745 * output.h: ... here.
4746 * function.c (expand_function_start): Call PROFILE_HOOK.
4747 * config/rs6000/aix.h: Define PROFILE_HOOK.
4748 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4749 * config/rs6000/rs6000.c (output_profile_hook): Define.
4750 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4751 output_profile_hook.
4752 tm.texi : Explain new macro PROFILE_HOOK.
4754 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4756 * extend.texi (Extended Asm): Do not say that semicolon is always
4757 a valid line-breaking character for GNU assemblers. Use
4758 newline-tab as the most commonly supported syntax. Use
4759 newline-tab rather than semicolon in multi-insn examples.
4761 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4763 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4765 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4766 David Edelsohn <edelsohn@gnu.org>
4768 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4769 code for AIX, even without flag_pic.
4771 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4773 * c-typeck.c (common_type): push and pop binding level around
4774 calling common_type on function parameters.
4776 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4778 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4780 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4782 * config/mips/mips.c (override_options): Fix typo in last change.
4783 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4784 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4786 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4788 * invoke.texi (-fdump-class-layout): Document.
4789 (-fdump-translation-unit): Use `=' as filename separator.
4791 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4793 * Makefile.in (s-mlib): Don't build multilibs if
4795 (DRIVER_DEFINES): Adjust accordingly.
4797 (protoize.o): Likewise.
4798 (unprotoize.o): Likewise.
4799 * configure.in: Recognize --enable-multilib.
4801 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4803 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4805 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4806 * configure.in: Remove --enable-libstdcxx_v3 support.
4807 * configure: Regenerated.
4809 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4811 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4812 Call abort instead of fatal.
4813 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4814 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4815 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4816 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4817 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4818 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4820 * diagnostic.h (set_internal_error_function): Renamed.
4821 * toplev.h (internal_error): Renamed from fatal.
4822 (pfatal_with_name): Deleted.
4823 (fatal_io_error): Now has printf-style arguments.
4824 * diagnostic.c (pfatal_with_name): Deleted.
4825 (fatal_io_error): Rework to have args in printf-style.
4826 (set_internal_error_function): Renamed from set_fatal_function.
4827 (internal_error): Renamed from fatal.
4828 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4829 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4830 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4831 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4832 * flow.c (verify_flow_info): Likewise.
4833 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4834 * config/mips/mips.c (save_restore_insns): Likewise.
4836 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4837 * flow.c (verify_flow_info): Likewise.
4838 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4839 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4840 (avr_normalize_condition): Likewise.
4841 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4842 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4843 (limit_reload_class, double_reg_to_memory): Likewise.
4844 (print_operand_address, emit_1600_code_shift): Likewise.
4845 (gen_tst_reg, gen_compare_reg): Likewise.
4846 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4847 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4849 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4851 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4852 * objc/objc-act.c (build_ivar_chain): Likewise.
4853 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4855 * graph.c (clean_graph_dump_file): Likewise.
4856 * profile.c (init_branch_prob): Likewise.
4857 * objc/objc-act.c (objc_init): Likewise.
4859 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4860 * config/avr/avr.c (avr_override_options): Likewise.
4861 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4862 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4863 * config/h8300/h8300.c (h8300_init_once): Likewise.
4864 * config/mips/mips.c (override_options): Likewise.
4865 * config/i386/i386.c (override_options): Likewise, rework.
4866 * config/m68k/m68k.c (override_options): Likewise.
4868 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4870 * config/mips/mips.c (print_operand): Likewise.
4871 * hash.c (hash_allocate): Don't check for failure returns from
4872 obstack functions that can't fail.
4873 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4874 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4875 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4876 (get_object_reference): Likewise.
4878 2001-02-04 Nick Clifton <nickc@redhat.com>
4880 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4881 StrongARM1110, 10TDMI, and 1020T.
4883 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4885 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4887 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4889 * config/sh/sh.md (movdf load split): Pass register number to
4890 FP_OR_XD_REGISTER_P.
4892 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4894 * cppinit.c (BC): New macro.
4895 (builtin_array): Add __GXX_WEAK__.
4896 * cpplib.h (builtin_type): Add BT_WEAK.
4897 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4898 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4899 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4901 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4903 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4905 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4907 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4908 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4910 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4912 * cpphash.h: Rename ALIGN _ALIGN.
4913 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4915 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4917 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4918 compilation environment.
4919 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4920 control over location of cygwin includes and libs.
4922 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4924 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4926 2001-02-02 lars brinkhoff <lars@nocrew.org>
4928 * md.texi (Standard Names): remove reference to spur.md.
4930 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4932 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4933 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4934 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4935 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4936 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4938 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4940 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4941 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4942 number before reload.
4943 (c4x_adjust_cost): Return zero before reload.
4944 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4945 split before reload.
4947 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4949 * c4x.c (c4x_hard_regno_rename_ok): New.
4950 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4951 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4953 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4955 * diagnostic.h: Add missing "extern" in all declarations.
4957 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4959 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4960 as for gcc_gxx_include_dir.
4962 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4964 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4966 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4968 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4969 label before alignment to be used as the braf base address.
4970 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4972 (casesi_jump_2): Require at least TARGET_SH2.
4974 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4975 truncation to 32-bit doubles on -m3e and -m4-single-only.
4977 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4979 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4980 the default when building a shared object.
4981 (init_spec): Use it.
4982 * testsuite/lib/g++.exp: Include the directory where libgcc
4983 is located to the LD_LIBRARY_PATH list.
4984 * invoke.texi (-shared-libgcc): Document the cases in which
4985 GCC defaults to using the shared libgcc.
4987 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4989 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4990 unsigned is wide enough.
4992 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4993 (si_to_float): Likewise.
4994 (float_to_si, float_to_usi): Use BITS_PER_SI.
4996 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4998 * dwarf2out.c: Added explanation of abbreviations.
4999 (def_cfa_1): Added comments listing DWARF2 instructions.
5000 (cfa_temp_reg): Removed in favor of cfa_temp.
5001 (cfa_temp_value): Removed in favor of cfa_temp.
5002 (cfa_temp): New global variable.
5003 (dwarf2out_frame_debug_expr): Added extensive introductory
5004 comments explaining the function's transformations. Revised to
5005 use cfa_temp. Added some rtx checking. Generalize IOR case.
5006 (dwarf2out_frame_debug): Revised to use cfa_temp.
5007 (output_aranges): Cast as "unsigned" to avoid warning.
5008 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5009 explain which instructions must be marked.
5011 2001-02-01 Richard Henderson <rth@redhat.com>
5013 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5016 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5018 * config/sh/crt1.asm (main_k): Modified so that start calls
5019 ___setup_argv_and_call_main.
5021 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5023 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5024 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5025 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5026 * cppmacro.c (builtin_macro): Set builtin flags here.
5027 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5028 (replace_args): Clarify intent.
5029 (cpp_get_token): Macro expansion tokens get the saved flags.
5031 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5034 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5036 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5039 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5041 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5042 returns Pmode pseudo, but we need ptr_mode.
5043 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5044 Remove bogus conversions; use HOST_WIDE_INT for size.
5045 Don't use TARGET if wrong mode.
5047 * config/i386/i386.c (ix86_compute_frame_size): Allow
5048 stack_alignment_needed to be non-default even if size is zero.
5050 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5052 * pa.c (hppa_init_pic_save): New function.
5053 * pa.h (hppa_init_pic_save): Declare.
5054 * pa.md (call, call_value, sibcall, sibcall_value): Use
5055 the above instead of duplicated code.
5057 * pa.c (hppa_encode_label): Correct size of alloca buffer
5058 so we don't overrun it. Correct leading `*' case.
5059 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5060 need to handle `*@'.
5061 (FUNCTION_NAME_P): Likewise.
5063 2001-01-31 Richard Henderson <rth@redhat.com>
5065 * config.gcc (alpha-osf5): Use float-i128.h.
5067 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5068 * config/float-i32.h: Likewise.
5069 * config/float-i64.h: Likewise.
5070 * config/float-sh.h: Likewise.
5071 * config/float-sparc.h: Likewise.
5073 2001-01-31 DJ Delorie <dj@redhat.com>
5075 * expmed.c (extract_bit_field): allow non-integral modes if we
5076 want to extract a whole register from itself.
5078 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5080 * c-typeck.c (set_init_index): If first is equal to last, assume as
5081 if it was not a range at all.
5083 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5085 * config/fp-bit.c: Include tm.h.
5086 (float_to_si): Don't assume SImode is 32-bits wide.
5087 (float_to_usi): Likewise.
5089 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5091 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5093 (typename): Call pending_xref_error after parsing typed_typespecs.
5094 * c-decl.c (lookup_tag): Give error immediately rather than
5095 leaving it pending if the tag of the wrong type is in the same
5097 (xref_tag): Don't pedwarn for forward declarations of enum types
5099 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5102 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5104 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5106 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5108 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5109 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5111 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5113 * cpphash.h (struct cpp_reader): New saved_flags.
5114 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5115 to avoid a paste after a pasted token.
5117 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5119 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5120 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5121 Wtype_MIN instead of LONG_MIN.
5123 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5125 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5127 * fixinc/fixincl.x: Regenerated.
5128 * fixinc/inclhack.def (irix_limits_const): New definition to
5129 convert "const" to "__const" in limits.h.
5131 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5133 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5135 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5137 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5138 when register dies in the insn.
5140 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5142 * diagnostic.c (fatal): Fix word wrap.
5144 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5146 * combine.c (try_combine): Fix SUBREG setting for
5147 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5149 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5151 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5154 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5156 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5158 * toplev.c (decode_W_option): Update warn_larger_than
5159 unconditionally for each processed switch.
5161 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5163 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5165 (hppa_expand_prologue): Delete code to save pic offset table register
5166 in the function prologue.
5167 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5168 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5169 table register at the beginning of the function after the prologue.
5171 2001-01-29 lars brinkhoff <lars@nocrew.org>
5173 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5175 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5176 Jeff Law <law@redhat.com>
5178 * pa.md (return): Revise comment for trivial return.
5179 (return_internal): Non-trivial return pattern for non-PIC code.
5180 (return_internal_pic): Non-trivial return pattern for PIC code.
5181 It uses the PIC register to ensure it is restored after
5183 (epilogue): Generate appropriate return for PIC and non-PIC code.
5185 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5187 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5189 2001-01-29 DJ Delorie <dj@redhat.com>
5191 * combine.c (if_then_else_cond): Pass the correct mode to
5192 operand_subword() for constants.
5194 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5196 * config/i386/cygwin.h: Add w32api to include search. Search different
5197 directories in a cross-build environment.
5199 2001-11-29 Tim Josling <tej@melbpc.org.au>
5201 * tree.h (TYPE_STUB_DECL): Add documentation.
5203 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5205 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5206 (sdbout_field_types): Likwise. Fix use of host_integerp.
5208 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5210 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5213 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5215 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5216 to use flag_gnu_linker.
5218 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5220 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5221 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5223 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5225 * tree.c, tree.h (build_parse_node): Remove; was identical to
5227 * c-lang.c (start_cdtor), objc/objc-act.c
5228 (build_module_descriptor): Use build_nt instead of
5231 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5233 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5234 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5235 not have any upper bits set.
5237 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5239 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5241 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5243 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5245 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5247 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5248 (integer_minus_one_node): Define.
5250 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5252 * Makefile.in (bootstrap2-lean): Fix typo.
5254 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5256 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5257 : Don't set fe_value.
5258 * cpplib.h (AVOID_LPASTE): New flag.
5259 (struct cpp_hashnode): Remove fe_value.
5260 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5261 * cppmacro.c (builtin_macro): Don't set flags here.
5262 (replace_args): Set AVOID_LPASTE flag on first token of an
5263 argument, and the token following it.
5264 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5265 macro expansion, and on the token following it. Do it for
5267 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5269 2001-01-27 Richard Henderson <rth@redhat.com>
5271 * config/alpha/t-ieee: Remove multilibbing.
5272 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5274 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5276 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5278 * Makefile.in: Remove all dependencies on defaults.h.
5279 * builtins.c: Don't include defaults.h.
5280 * c-common.c: Likewise.
5281 * c-decl.c: Likewise.
5282 * c-pragma.c: Likewise.
5283 * c-typeck.c: Likewise.
5284 * combine.c: Likewise.
5286 * frame-ia64.c: Likewise.
5287 * cppexp.c: Likewise.
5288 * crtstuff.c: Likewise.
5289 * dbxout.c: Likewise.
5290 * dwarf2out.c: Likewise.
5291 * dwarfout.c: Likewise.
5292 * emit-rtl.c: Likewise.
5293 * except.c: Likewise.
5295 * final.c: Likewise.
5296 * frame-dwarf2.c: Likewise.
5297 * libgcc2.c: Likewise.
5298 * optabs.c: Likewise.
5299 * profile.c: Likewise.
5300 * sdbout.c: Likewise.
5301 * toplev.c: Likewise.
5302 * tradcif.y: Likewise.
5304 * varasm.c: Likewise.
5306 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5308 * builtins.c (expand_builtin_fputs): Use size_one_node when
5309 transforming into fwrite.
5311 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5313 * extend.texi (Attribute Syntax): New section.
5315 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5317 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5318 they didn't need fixing.
5320 2001-01-27 Janis Johnson <janis@us.ibm.com>
5322 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5324 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5325 to remove macro definitions that are duplicated from elfos.h.
5327 2001-01-27 Richard Henderson <rth@redhat.com>
5329 * config/i386/sco5gas.h: Move ...
5330 * config/usegas.h: ... here.
5331 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5333 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5335 * c-typeck.c (struct constructor_stack): Add range_stack member.
5336 (really_start_incremental_init): Clear it.
5337 (push_init_level): Save constructor_range_stack and clear it if
5338 pushing explicit braces.
5339 (pop_init_level): abort if constructor_range_stack is non-zero at
5340 explicit closing brace. Restore saved constructor_range_stack if
5343 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5345 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5346 into register was forced into memory.
5348 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5350 * Makefile.in: Remove uses of + before $(MAKE).
5352 2001-01-26 Richard Henderson <rth@redhat.com>
5354 * stmt.c (cost_table): Remove.
5355 (COST_TABLE, cost_table_initialized): New.
5356 (estimate_case_costs): Use the later instead of the former.
5357 (balance_case_nodes): Likewise.
5359 2001-01-26 Richard Henderson <rth@redhat.com>
5361 * alias.c (objects_must_conflict_p): Read-only slots may not
5362 conflict despite having the same type.
5364 2001-01-27 Michael Hayes <mhayes@redhat.com>
5366 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5368 (check_ext_dependant_givs): Initialise u_start_val and
5370 (load_mems): Make last_max_reg unsigned.
5371 (try_swap_copy_prop): Use INSN_P and initialise set.
5373 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5375 * README.AVR : Removed.
5377 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5379 * pa-64.h (text_section): Remove declaration.
5381 * pa.md (return_internal): Remove mode on PIC register use.
5383 2001-01-25 lars brinkhoff <lars@nocrew.org>
5385 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5386 ASM_CLOSE_PAREN): fix typos.
5388 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5390 * acconfig.h: Define `const' to the empty string if neither
5391 __STDC__ nor __cplusplus is defined.
5392 * config.in: Regenerated.
5394 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5396 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5397 * collect2.c (main): Delete importf. Add ".obj" file extension.
5398 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5399 (aix_std_libs): Add additional AIX libraries to skip.
5400 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5401 * config/rs6000/aix51.h: New file.
5403 2001-01-25 Michael Hayes <mhayes@redhat.com>
5405 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5406 (loop_insn_emit_before): No longer static.
5407 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5408 (loop_givs_rescan, load_mems): Likewise.
5409 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5410 (maybe_eliminate_biv_1):
5411 (move_movables): Replace emit_call_insn_before with
5412 loop_call_insn_hoist.
5413 * loop.h (loop_insn_emit_before): Add.
5414 * unroll.c (copy_loop_body): Replace emit_insn_before with
5415 loop_insn_emit_before.
5417 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5419 * diagnostic.c (fatal): Request preprocessed source.
5421 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5423 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5424 olddecl has argument types and newdecl has none, use the argument
5427 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5429 * dwarf2out.c (prefix_of): New function. Determine longest common
5430 prefix of the two arguments. The units are whole path components.
5431 (output_file_names): When adding a new directory find the one entry
5432 with the longest common prefix already in the list. Artificially
5433 generate entry if there is none for this prefix.
5434 Fix test to check whether the zeroth directory entry is used.
5436 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5438 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5439 Changed all callers. Take it into account when deciding if a
5440 previously loaded value matches.
5442 2001-01-24 Richard Henderson <rth@redhat.com>
5444 * reload.c (find_reloads_subreg_address): Fail the substitution
5445 if the resulting address is insufficiently aligned.
5447 2001-01-24 DJ Delorie <dj@redhat.com>
5449 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5450 check the original operand's mode also.
5451 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5453 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5455 * c-parse.in (cast_expr): Move compound literals from here ...
5456 (primary): ... to here. Use standard terminology "compound
5457 literal" instead of "constructor expression".
5459 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5461 * gcc.1, cpp.1: Regenerate.
5463 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5465 * calls.c (emit_library_call_value_1): Memory slot for
5466 pass-by-reference argument should have the mode of the argument,
5467 not of the pointer to it.
5469 2001-01-24 Tom Tromey <tromey@redhat.com>
5471 * gcc.texi (G++ and GCC): Mention gcj manual.
5472 (Standards): Link to section of manual mentioning gcj/Java
5475 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5477 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5478 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5479 * tradcpp.c (main): Add -imacros or -include'd dependencies
5481 * cpp.texi (-M, -MM): Document -M -include behaviour.
5483 2001-01-24 Roger Collins <roger@ProProject.com>
5485 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5487 2001-01-24 Will Cohen <wcohen@redhat.com>
5489 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5490 whether registers are 32 bits or 64 bits in size.
5492 2001-01-24 Ben Elliston <bje@redhat.com>
5494 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5496 2001-01-24 Richard Henderson <rth@redhat.com>
5498 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5499 (builtin_longjmp): Use it instead of emit_indirect_jump.
5501 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5503 * bb-reorder.c (make_reorder_chain_1): Handle case where
5504 jump edge goes to the same block as the fallthru edge.
5506 2001-01-23 Jim Wilson <wilson@redhat.com>
5508 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5509 * frame.h (__ia64_personality_v1): Add prototype.
5510 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5511 prototype form. Add void * cast to first argument to personality
5513 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5514 (asctoe113): Likewise.
5515 * config/ia64/frame-ia64.c: Include eh-common.h.
5516 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5518 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5520 (itanium_split_issue): Add prototype.
5521 (gen_nop_type): Ifdef out.
5522 (find_best_packet): Initialize best_packet.
5523 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5525 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5526 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5527 (flushrs): Add explicit stop bit at end.
5528 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5531 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5533 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5535 * libgcc2.c (__terminate_func): Make variable static.
5536 (__terminate_set_func): New function to set __terminate_func.
5537 * libgcc2.h (__terminate_func_ptr): New typedef.
5538 (__terminate_set_func): New function.
5540 2001-01-23 Richard Henderson <rth@redhat.com>
5542 * flow.c (init_propagate_block_info): Don't consider unchanging
5543 memories for dead frame store elimination.
5545 2001-01-23 Richard Henderson <rth@redhat.com>
5547 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5548 * defaults.h: ... here.
5550 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5552 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5554 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5556 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5558 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5560 * rs6000.h (rs6000_return_addr): Move prototype from here...
5561 * rs6000-protos.h (rs6000_return_addr): ...to here.
5562 (rs6000_init_expanders): Delete prototype.
5564 2001-01-23 Nick Clifton <nickc@redhat.com>
5566 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5567 (Spec Files): Document %B and %j and %. and %v3 and %M and
5568 %{S*&T} spec switches.
5570 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5572 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5574 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5575 Neil Booth <neil@daikokuya.demon.co.uk>
5577 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5578 Have -Werror make pedantic warnings errors, like the
5581 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5583 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5585 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5587 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5588 * integrate.c (expand_inline_function): Initialize them.
5589 (subst_constants): If changing COMPARE so that both its arguments
5590 will be VOIDmode and the comparison mode will be lost, note
5591 compare_mode. Use the recorded compare_mode to optimize
5594 2001-01-23 Jason Merrill <jason@redhat.com>
5596 * dwarf2out.c (new_die): Use xcalloc.
5597 (output_die): Abort rather than emit a local reference to offset 0.
5599 2001-01-17 Andrew Haley <aph@redhat.com>
5601 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5602 of a saved register; return NULL instead.
5603 (copy_reg): Take a pointer to a source register rather than a
5605 (next_stack_level): Remember the address in the stack frame of all
5607 Use the saved register pointer array as the source of the CFA.
5608 (throw_helper): Rewrite. Unwind once rather than twice and keep
5609 track of saved registers as we go.
5611 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5613 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5614 * c4x.c (c4x_legitimize_reload_address): Remove.
5615 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5616 reload address for ldp(k) insn.
5618 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5620 * pa.md (return_internal): Add a USE of the PIC register to ensure
5621 it is restored after each call.
5622 (return expander): Corresponding changes.
5624 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5626 * rs6000.h (INIT_EXPANDERS): Delete.
5627 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5628 * rs6000.c (rs6000_override_options): Call *_machine_status from
5630 (rs6000_init_expanders): ...instead of here. Delete.
5631 (rs6000_mark_machine_status): New function.
5632 (rs6000_init_machine_status): Use xcalloc.
5633 (rs6000_return_addr): Generate RTX for the return address.
5634 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5635 (rs6000_stack_info): Use it.
5637 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5639 * gthr-win32.h: Include errno.h to get a declaration for
5640 EINVAL and _mingw.h if the target is mingw32.
5642 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5644 * cpp.texi: Correct typos.
5646 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5648 * explow.c (probe_stack_range): Ensure value passed to
5649 stack_check_libfunc is ptr_mode, not Pmode.
5651 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5653 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5654 case, don't use operand_subword to calculate a SUBREG that is
5657 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5659 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5661 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5662 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5663 valid. If not replace it by equivalent insns.
5665 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5667 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5668 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5669 (c4x_U_constraint, symbolic_address_operand): Likewise.
5670 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5672 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5673 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5674 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5675 anulling slot because of silicon bug.
5676 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5678 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5680 * cppexp.c (parse_charconst): Change `mask' type to agree
5683 2001-01-21 Richard Henderson <rth@redhat.com>
5685 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5686 pic_label_name in a linkonce section.
5688 2001-01-17 Philipp Thomas <pthomas@suse.de>
5690 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5692 * configure: Regenerate.
5694 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5696 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5697 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5699 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5701 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5702 If REVERSE nonzero then condition code in X must be reversed.
5703 (encode_section_info): Optimise if/else.
5704 (avr_function_value): Fix formatting.
5706 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5707 (difficult_branch): Likewise.
5708 (rvbranch): Likewise.
5709 (difficult_rvbranch): Likewise.
5711 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5713 * config/avr/libgcc.S: Fix comment.
5715 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5717 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5719 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5721 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5723 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5725 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5726 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5727 * configure, config.in: Regenerate.
5728 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5729 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5730 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5731 (doprint.o): New rule.
5733 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5735 * c-typeck.c (digest_init): Handle boolean types as scalars.
5737 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5739 * stmt.c (expand_return): Don't return anything if size is zero.
5740 Delete redundant assignment to BYTES.
5741 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5743 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5745 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5746 the same as the default library function names.
5747 * config/avr/avr.md: Document special characters after '%'.
5748 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5749 knowing which of the call-used registers are really clobbered.
5750 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5751 New. Both quotient and remainder from one libgcc.S call.
5752 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5753 clobber as few registers as possible.
5754 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5756 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5758 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5759 context of the top of the stack.
5761 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5763 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5764 (fixup_var_refs_insns): ...here.
5766 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5768 * function.c (fixup_var_refs_insns): Break up into
5769 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5770 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5771 [loop over hash table entries].
5772 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5773 fixup_var_refs_insns_with_hash, to match above changes.
5775 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5777 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5778 (libgcc.a): Likewise.
5779 (stmp-multilib): Likewise.
5780 (STAGE2_FLAGS_TO_PASS): Likewise.
5782 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5784 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5785 temporary if no_new_pseudos.
5787 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5789 * cppinternals.texi: Update.
5791 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5793 * arm.c (arm_init_builtins): Re-enable builtins.
5795 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5797 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5798 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5799 element to be null, and always expect an EXPR_LIST.
5800 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5801 * sched-deps.c (sched_analyze_1): Likewise.
5802 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5804 * regclass.c (max_set_parallel): New variable.
5805 (reg_scan): Take it into account in computation of max_parallel.
5806 (reg_scan_mark_refs, case SET): Compute it.
5808 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5810 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5811 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5813 2001-01-19 Jason Merrill <jason@redhat.com>
5815 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5816 for the abstract instance of an inline function.
5818 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5819 J"orn Rennecke <amylaar@redhat.com>
5821 * reload1.c (move2add_note_store): Treat all registers directly or
5822 indirectly derived from a base register as members of the same set
5824 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5825 of base register into account.
5827 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5829 * alias.c (find_base_value): Recognize TRUNCATE.
5830 (record_set): In PLUS case, invalidate if other summand is also a
5833 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5836 entry to be EXPR_LIST.
5837 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5838 be an EXPR_LIST (but not null, which other code doesn't allow).
5839 (note_stores): Properly handle PARALLEL in SET.
5840 Recursively call for top-level PARALLEL.
5841 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5842 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5844 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5846 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5848 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5849 not pfile->skipping (== 0).
5851 2001-01-17 Nick Clifton <nickc@redhat.com>
5853 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5856 2001-01-17 Jim Wilson <wilson@redhat.com>
5858 * invoke.texi (IA-64 options): Improve.
5860 2001-01-17 Tom Tromey <tromey@redhat.com>
5862 * invoke.texi (Optimize Options): Use `{}' to around @samp
5865 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5867 * invoke.texi (-fno-guess-branch-probability): New option.
5869 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5871 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5872 case of making new double-word constant.
5873 Revert last change: instead just test i3_subst_into_i2.
5875 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5877 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5878 Use q constraints instead of r.
5880 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5882 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5883 (machine_function): Define.
5884 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5885 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5886 pa_free_machine_status): New functions.
5887 (override_options): Set {init,mark,free}_machine_status to above.
5888 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5889 PIC_OFFSET_TABLE_REGNUM_SAVED.
5890 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5891 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5892 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5893 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5894 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5896 2001-01-15 DJ Delorie <dj@redhat.com>
5898 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5902 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5904 * flow.c (propagate_on_insn): Make trying to delete a prologue
5905 or epilogue insn an ICE, not a warning. Allow doing this if
5906 the current function returns with stack pointer depressed.
5908 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5909 I3 having more than one SET.
5911 2001-01-16 Jim Wilson <wilson@redhat.com>
5913 * invoke.texi: Document IA-64 options.
5915 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5916 (fixup_errata): Delete TARGET_A_STEP use.
5917 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5918 (TARGET_SWITCHES): Delete -ma-step option.
5919 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5920 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5921 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5922 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5923 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5924 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5926 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5927 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5928 cmovsi_internal): Delete ! TARGET_A_STEP check.
5930 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5932 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5933 possibility to report bugs via postal mail. Change a URL and
5934 merge in a nearly duplicate statement...
5935 (Bug Reporting): ...from here.
5936 (Service): Refer to the Bug Reporting section instead of
5938 (Contributing): Remove trivial explanations concerning snapshots.
5940 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5942 * cppmain.c (general_init): Don't use ANSI prototype.
5944 2001-01-16 Tom Tromey <tromey@redhat.com>
5946 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5948 2001-01-16 Richard Henderson <rth@redhat.com>
5950 * config/i386/i386.h: Fix comment typo.
5951 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5952 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5954 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5956 * gcc.c: Revert previous -fsyntax-only-related change; move
5959 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5961 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5962 inmode after checking GET_CODE (op).
5964 2001-01-16 Richard Henderson <rth@redhat.com>
5966 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5967 (MAX_MEM_SET_LIST_LEN): New.
5968 (propagate_one_insn): Update mem_set_list_len.
5969 (invalidate_mems_from_autoinc): Likewise.
5970 (invalidate_mems_from_set): Likewise.
5971 (mark_used_regs): Likewise.
5972 (init_propagate_block_info): Likewise. Stop collecting memories
5973 when we reach MAX_MEM_SET_LIST_LEN.
5974 (mark_set_1): Likewise.
5976 2001-01-16 Richard Henderson <rth@redhat.com>
5978 * unroll.c (precondition_loop_p): Fail if no iteration
5981 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5983 * gcc.c: When -fsyntax-only is given, do not complain about
5986 2001-01-15 Richard Henderson <rth@redhat.com>
5988 * config/i386/i386.c (asm_output_function_prefix): Remove.
5989 (ix86_asm_file_end): New.
5990 (load_pic_register): Generate pic_label_name into a
5991 staticly allocated buffer.
5992 * config/i386/i386-protos.h: Update.
5993 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5994 (ASM_FILE_END): New.
5995 * config/i386/i386afe.h: New file.
5996 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5997 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5998 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5999 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6000 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6001 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6002 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6004 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6006 * Makefile.in (install-man): Remove explicit dependency on
6009 * configure.in, configure: Revert previous patch requiring perl
6012 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6014 * toplev.c (flag_guess_branch_prob): New.
6015 (f_options): Add guess-branch-probability option.
6016 (rest_of_decl_compilation): Only estimate branch probability if
6018 (main): set flag_guess_branch_prob.
6020 * flags.h (flag_guess_branch_prob): New.
6022 2001-01-15 DJ Delorie <dj@redhat.com>
6024 * gcc.texi (Makefile): Add documentation for Makefile targets.
6026 2001-01-15 Philip Blundell <philb@gnu.org>
6028 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6030 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6031 (is_pic): Delete declaration.
6032 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6033 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6034 * config/arm/arm.md (builtin_setjmp_receiver): New.
6036 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6038 * arm.c (use_return_insn): Don't try to determine the function type
6039 until after reload has completed.
6040 (arm_output_epilogue): Don't adjust the sp value recovered from the
6042 (emit_multi_reg_push): Don't record dwarf information for the pc.
6043 * arm.md (eh_epilogue): The function type may have changed, so it
6044 needs to be recalculated.
6045 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6046 unwind tables on arm/netbsd.
6048 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6050 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6051 (negated_cbranchsi4): Likewise.
6053 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6055 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6056 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6057 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6058 pass -mapcs-* options to assembler.
6059 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6060 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6061 (ASM_SPEC): Call subtarget_extra_asm_spec.
6063 2001-01-15 Andreas Jaeger <aj@suse.de>
6065 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6067 (ix86_expand_builtin): Likewise.
6069 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6070 warning about comparison between signed and unsigned.
6072 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6074 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6076 2001-01-14 Ralf Baechle <ralf@gnu.org>
6078 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6079 SUBTARGET_CPP_SPEC apropriatly.
6081 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6083 * varasm.c (make_decl_rtl): Fix typo in last change.
6085 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6087 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6088 linker supports the init_priority C++ attribute.
6089 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6090 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6091 linker does not support init_priority C++ attribute.
6093 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6095 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6097 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6099 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6100 * cp/lex.c (finish_parse): Similarly.
6101 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6102 Return the number of errors encountered.
6103 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6104 * cppmain.c (main): Don't call cpp_destroy.
6106 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6108 * configure.in: Require at least perl 5.6.0 to regenerate
6110 * configure: Regenerate.
6112 2001-01-14 Richard Henderson <rth@redhat.com>
6114 * genrecog.c (DT_veclen_ge): New.
6115 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6116 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6117 (nodes_identical_1): Handle DT_veclen_ge.
6118 (write_cond, debug_decision_2): Likewise.
6120 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6122 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6124 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6126 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6128 * cppmain.c (do_preprocessing): New function; most of the old
6130 (main): Call it to do most of the work.
6131 (cb): Move from global scope to set_callbacks ().
6132 (setup_callbacks): Get the callback pointer.
6133 (general_init, printer_init): Clean up code and comments.
6135 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6137 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6140 2001-01-14 Kazu Hirata <kazu@hxi.com>
6142 * config/h8300/h8300.c (get_shift_alg): Update comments.
6144 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6146 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6147 (alloc_page, ggc_alloc): Add casts to remove warnings.
6149 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6151 * combine.c (simplify_comparison): Don't change `code' when
6152 can't reverse comparison.
6154 2001-01-14 Richard Henderson <rth@redhat.com>
6156 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6157 update all call sites. Return true for all non-label constants.
6159 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6161 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6163 (ix86_expand_branch): Update.
6164 (ix86_expand_setcc): Update to handle multiple test conditions.
6165 (expand_int_movcc): Likewise.
6166 (expand_fp_movcc): Likewise.
6167 * i386-protos.h (ix86_expand_compare): New.
6168 * i386.md (andqi_?_slp, orqi_?_slp): New.
6169 (conditional trap expander): Update call to ix86_expand_compare.
6171 2001-01-14 Richard Henderson <rth@redhat.com>
6173 * config/vax/vax.md: Use nonimmediate_operand instead of
6174 general_operand in destinations.
6176 * config/vax/vax.md (indirect_jump): Use register_operand.
6178 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6179 * config/vax/vax.md (call_pop): Turn into an expander.
6180 (call_value_pop): Likewise.
6181 (call, call_value): New.
6183 2001-01-14 Andreas Jaeger <aj@suse.de>
6185 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6187 (ix86_fp_compare_mode): Add unused attribute.
6188 (ix86_expand_fp_movcc): Remove unused variable.
6189 (ix86_expand_builtin): Make fcode unsigned.
6191 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6192 (expand_expr): Add cast to avoid signed warning.
6193 (store_field): Likewise.
6194 (store_constructor_field): Likewise.
6195 (store_constructor): Likewise.
6196 (store_expr): Likewise.
6197 (clear_storage): Likewise.
6198 (emit_group_store): Likewise.
6199 (emit_group_load): Likewise.
6201 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6203 * c-common.c: Move format checking code to ...
6204 * c-format.c: ... here. New file. Reorder some functions and
6206 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6208 * c-common.h (decl_handle_format_attribute,
6209 decl_handle_format_arg_attribute): Declare.
6210 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6211 (c-common.o): Adjust dependencies.
6212 (c-format.o): New list of dependencies.
6214 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6216 * unroll.c (loop_iterations): If we cannot prove iteration variable
6217 is set once in each iteration, punt.
6219 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6221 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6222 (*strlenhi): Remove clobber (which was buggy) of output address.
6224 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6226 * Makefile.in (generated-manpages): Add gcc.1
6227 ($(srcdir)/gcc.1): New target.
6228 (maintainer-clean): Delete $(srcdir)/gcc.1.
6229 * gcc.texi: Add macros @gccoptlist and @gol.
6230 * invoke.texi: Include option summary in manpage. Mark up option
6231 summary with @gccoptlist and @gol. Use @r in one place where
6233 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6234 * gcc.1: Generate from invoke.texi.
6236 2001-01-13 Richard Henderson <rth@redhat.com>
6238 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6239 (struct page_entry): Add group member.
6240 (struct page_group): New.
6241 (struct globals): Add page_groups member.
6242 (alloc_anon): Only define for using mmap; remove valloc call.
6243 (page_group_index): New.
6244 (set_page_group_in_use): New.
6245 (clear_page_group_in_use): New.
6246 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6247 (free_page, release_pages): Likewise.
6248 * configure.in (with-gc): Default to ggc-page always.
6250 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6252 * reload1.c (replace_pseudos_in_call_usage): Use
6253 reg_equiv_constant and reg_equiv_address, and don't try
6254 regno_reg_rtx first.
6256 2001-01-13 Richard Henderson <rth@redhat.com>
6258 * ggc-page.c (alloc_page): Round up allocation size to one page.
6259 Set e->order on extra pages.
6261 2001-01-13 Richard Henderson <rth@redhat.com>
6263 * genrecog.c (nodes_identical): Expand commentary.
6264 (write_switch): Watch out for identical nodes.
6266 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6268 * cppfiles.c (_cpp_fake_include): New function.
6269 * cpphash.h (_cpp_fake_include): New.
6270 * cpplib.c (do_line): Call _cpp_fake_include when entering
6271 header files in preprocessed input.
6272 * cppmain.c (cb_pragma_implementation): Remove handling.
6273 (setup_callbacks): Don't register pragmas.
6275 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6277 * extend.texi: Udate for CPP.
6279 2001-01-13 Andreas Jaeger <aj@suse.de>
6281 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6283 * regmove.c: Add prototype for replace_in_call_usage.
6285 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6287 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6288 struct cpp_chunk, struct htab, struct toklist,
6289 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6290 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6291 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6292 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6293 (struct macro_args): Delete.
6294 * cpphash.h: See above.
6296 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6298 * cppmain.c (struct printer): Remove no_line_dirs.
6300 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6301 : Use options rather than CPP_OPTION.
6302 (setup_callbacks): Use cb rather than pfile->cb.
6303 (main): No need to check for a buffer. Use cpp_errors.
6304 (printer_init): Don't set no_line_dirs.
6305 (maybe_print_line): Use options not no_line_dirs.
6306 (cb_file_change): Don't call print_line if -P.
6308 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6310 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6312 * c-parse.in (finish_parse): Use cpp_errors.
6313 (__yylex): Use return value of cpp_pop_buffer.
6314 * cp/lex.c (finish_parse): Use cpp_errors.
6315 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6317 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6319 * README.AVR: URLs corrected.
6321 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6323 * c-decl.c (start_function): Don't warn if old prototype is builtin
6324 that's not in C's namespace.
6325 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6326 (_bb): Add prototype for ctime.
6327 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6329 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6331 * i386.c (ix86_fp_comparison_arithmetics_cost,
6332 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6333 ix86_fp_comparison_cost): New functions.
6334 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6335 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6336 two-branch sequences; make static.
6337 (ix86_use_fcomi_compare): Do decision according to the costs.
6338 (split_fp_branch): New.
6339 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6340 * i386-protos.h (ix86_expand_fp_compare): Remove
6341 (ix86_split_fp_branch): Declare.
6343 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6344 and ix86_comparison_operator.
6346 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6349 * i386.c (put_condition_code): Output properly the unordered/ordered
6350 compares in fp case.
6351 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6353 * tm.texi (REVERSE_CONDITION): Document.
6354 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6355 in -ffast-math mode.
6356 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6358 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6360 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6362 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6365 * config/sh/sh.c (mova_p): Fix test for mova_const.
6367 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6369 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6370 cpp_get_options rather than dereferencing pfile and using
6372 * scan-decls.c (scan_decls): Use return value of
6373 cpp_pop_buffer rather than CPP_BUFFER.
6375 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6377 * cppinit.c (cpp_handle_option): help_only is now part of the
6378 cpp_options structure.
6379 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6380 cpp_set_callbacks): New functions.
6381 * cpplib.h (cpp_callbacks): Break out as a named structure.
6382 (cpp_options): Move help_only here from cpp_reader.
6383 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6384 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6385 cpp_set_callbacks): New prototypes.
6386 * cppmain.c (main): Update for help_only.
6388 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6390 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6391 Also build and remove and install and uninstall c-tree.info and
6393 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6394 ($(srcdir)/cppinternals.info): New target.
6395 * c-tree.texi: Change file name used when makeinfo used without -o
6396 from ir.info to c-tree.info. Add info directory entry.
6397 * cppinternals.texi: Add info directory entry.
6398 * .cvsignore: Update.
6400 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6402 * c-typeck.c (store_init_value): Don't require constant initializer
6403 elements with -pedantic -std=c99.
6404 (digest_init): Change error about non-constant initializer elements
6406 (constructor_range_end): Remove.
6407 (constructor_incremental, designator_depth,
6408 designator_errorneous): New variables.
6409 (struct constructor_stack): Remove range_end, add incremental.
6410 (struct constructor_range_stack, constructor_range_stack): New.
6411 (struct initializer_stack): Add constructor_range_stack.
6412 (finish_init): Set it.
6413 (start_init): Likewise. require_constant_elements for non-static
6414 trees only if not flag_isoc99.
6415 (really_start_incremental_init): Remove constructor_range_end, add
6416 constructor_incremental.
6417 (pop_init_level): Likewise.
6418 (push_init_level): Likewise. If implicit and the subobject had some
6419 value set already, preinitialize the level with it.
6420 Warn about missing braces only if not pushing due to designators.
6421 (set_designator, push_range_stack): New functions.
6422 (set_init_label): Use them.
6423 (set_init_index): Likewise. Remove constructor_range_end.
6424 Error if designator index is outside of array bounds.
6425 (add_pending_init): Compare values of purpose index trees, not the
6426 trees themselves. Allow overwriting of already initialized element.
6427 Issue a warning if it had side-effects.
6428 (set_nonincremental_init, set_nonincremental_init_from_string): New
6430 (pending_init_member): Rename to...
6431 (find_init_member): ...this function. Call set_nonincremental_init
6432 if necessary. Compare values of purpose index trees, not the trees
6433 themselves. Return the actual value, not just non-zero if something
6435 (output_init_element): Remove checks for duplicates.
6436 If field has zero size, only check the initializer for correctness.
6437 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6438 if constructor_incremental is zero. Change error about initializers
6439 not computable at load time into pedwarn.
6440 (output_pending_init_elements): Compare bit positions, not
6441 FIELD_DECLs to take into account zero-sized fields.
6442 (process_init_element): Use constructor_range_stack to fill all
6443 ranges in the designator lists from current level up.
6444 * extend.texi: Update documentation for labeled elements.
6446 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6448 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6449 to function usage for arguments passed by reference. Optimize
6450 callee-copied arguments.
6451 * regmove.c (replace_in_call_usage): New function.
6452 (fixup_match_1): Call it.
6453 * cse.c (cse_insn): Canonicalize registers in function usage.
6454 * reload1.c (replace_pseudos_in_call_usage): New function.
6457 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6460 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6462 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6465 2001-01-12 DJ Delorie <dj@redhat.com>
6467 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6468 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6471 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6473 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6474 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6475 -std options alongside references to -ansi. Update some
6476 documentation for C99.
6477 * cpp.1: Regenerate.
6479 2001-01-12 Andreas Jaeger <aj@suse.de>
6481 * haifa-sched.c (restore_line_notes): Remove argument block B
6483 * sched-ebb.c (schedule_ebb): Change caller.
6484 * sched-rgn.c (schedule_region): Likewise.
6485 * sched-int.h (restore_line_notes): Adjust prototype.
6487 * loop.h: Remove wrong declaration of doloop_condition_get.
6489 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6491 * extend.texi: Move C++-extension-related node from the C section
6492 into the C++ section.
6494 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6496 * extend.texi: Refer to an array of pointers to functions instead
6497 of one of functions.
6499 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6500 Jan Hubicka <jh@suse.cz>
6502 * combine.c (reversed_comparison): Fix typo in last patch.
6504 (combine_reversed_comparison_code): Make static to follow
6505 prototype declaration.
6507 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6509 * install.texi: Remove misplaced duplicate entry.
6511 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6513 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6515 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6517 * final.c: (leaf_function_p): Fix typo.
6519 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6521 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6522 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6524 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6525 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6526 mmap_anon, and valloc is available.
6527 * ggc-page.c: Restructure ifdef logic to match new autoconf
6528 spec. Don't throw away the test page in init_ggc.
6530 * configure, config.in: Regenerate.
6532 2001-01-12 Michael Hayes <mhayes@redhat.com>
6534 * loop.h (total_biv_increment): Constify iv_class pointer.
6535 (struct induction): Replace `mem_mode' with `mem' rtx.
6536 * unroll.c (total_biv_increment): Constify iv_class pointer.
6537 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6538 (find_mem_givs, combine_givs_p): Likewise.
6539 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6541 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6543 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6545 (__gthread_getspecific): Ditto.
6547 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6549 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6550 put_condition_code): Convert fp comparison codes to integer
6552 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6555 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6556 * i386-protos.h (no_comparison_operator): Kill.
6558 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6560 * combine.c (REVERSIBLE_CC_MODE): Remove.
6561 (reversible_comparison_p): Remove.
6562 (combine_reversed_comparison_code): New.
6563 (reversed_comparison): New.
6564 (combine_simplify_rtx): Use
6565 combine_reversed_comparison_code/reversed_comparison instead
6566 of reversible_comparison_p.
6567 (simplify_if_then_else): Likewise.
6568 (simplify_set): Likewise.
6569 (simplify_logical): Likewise.
6570 (if_then_else_cond): Likewise.
6571 (known_cond): Likewise.
6572 (simplify_comparison): Likewise.
6574 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6576 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6577 sizeof (int) is larger than sizeof(__word__).
6579 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6581 * cppinit.c (do_includes): Fix typo.
6583 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6585 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6586 in S_REGS does not occur because not all sources are possible
6587 when a S_REGS is a destination (sometimes needs a clobber).
6588 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6589 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6590 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6591 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6592 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6593 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6594 (lshrdi_const1, lshrsi3_const16): Likewise.
6595 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6596 (*movhi_68hc12, *movqi_68hc12): Likewise.
6597 (movstrictqi): Make sure reloading in D_REGS as a destination
6600 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6602 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6604 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6606 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6607 -D, -U and -A, and don't initialize the builtins.
6608 (do_includes): Error if -include or -imacros with -fpreprocessed.
6609 * cppmain.c (cb_define, cb_undef): Unconditionally process
6611 * tradcpp.c (main): Fix typo.
6613 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6615 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6616 (read_name_map): Use IS_ABSOLUTE_PATH.
6617 * tradcpp.c (get_filename): Likewise.
6619 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6621 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6622 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6623 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6624 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6625 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6626 (cmphi_z_used): Don't use '@' for the output.
6627 (tstqi_z_used): Likewise.
6628 (cmpqi_z_used): Likewise.
6629 (one_cmplsi2): Likewise.
6631 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6633 * config/sh/sh.c (barrier_align): Recognize branch around far
6634 branch and redundant insn.
6636 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6638 * invoke.texi: Restore documentation of the drivers' switches -MD
6641 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6643 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6645 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6646 check-objc//%): Support parallel testing of multilibs.
6647 (TESTSUITEDIR): Set to testsuite by default, but override for
6649 (check-gcc, check-g++, check-g77, check-objc): Enter
6652 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6654 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6655 * sched-deps.c (deps_may_trap_p): Likewise.
6656 * basic-block.h: Remove a comment.
6657 * flow.c (PROP_POSTRELOAD): Remove.
6658 (update_life_info): Don't add it to prop_flags.
6659 (mark_set_1): Lose the code that was enabled by it.
6661 2001-01-11 Michael Hayes <mhayes@redhat.com>
6663 * flow.c (flow_call_edges_add): New.
6664 * basic_block.h (flow_call_edges_add): New.
6666 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6668 * reload1.c (move2add_note_store): Update reg_set_luid even if
6669 base reg remains the same.
6671 2001-01-10 Nick Clifton <nickc@redhat.com>
6673 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6674 machine_function structure to zero.
6675 Add prototypes for machine_status functions.
6677 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6679 * c-common.h (CTI_VOID_LIST): Remove.
6680 (void_list_node): Likewise.
6681 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6682 (void_list_node): New macro.
6683 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6684 * config/i386/i386.c (ix86_init_builtins): Likewise.
6685 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6687 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6689 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6690 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6692 * tradcpp.c: Include mkdeps.h.
6693 (deps, print_deps_phony_targets, deps_append, output_deps,
6694 init_dependency_output, output_deps): New.
6695 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6696 deps_output): Delete.
6697 (print_deps_missing_files): Rename deps_missing_files.
6698 (inhibit_output): Make global.
6699 (main): Delete inhibit_output, deps_stream, deps_target.
6700 Use mkdeps functionality in the same way as cpplib. Remove
6701 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6702 -M and -MM. Remove old handling of deps via deps_out, and
6703 old reading of environment variables.
6704 (get_filename): Update to use deps_add_dep.
6706 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6708 * output.h (make_function_rtl): Remove prototype.
6709 (make_decl_rtl): Likewise.
6710 * varasm.c (make_function_rtl): Remove.
6711 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6712 than from a third parameter.
6713 * tree.h (make_decl_rtl): Remove last parameter.
6714 * c-decl.c (builtin_function): Remove last argument in call to
6715 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6716 (start_function): Likewise.
6717 * except.c (call_get_eh_context): Likewise.
6718 * expr.c (emit_block_move): Likewise.
6719 (clear_storage): Likewise.
6720 * profile.c (output_func_start_profiler): Likewise.
6721 * toplev.c (rest_of_decl_compilation): Likewise.
6722 * objc/objc-act.c (create_builtin_decl): Likewise.
6723 (synth_module_prologue): Likewise.
6724 (generate_static_reference): Likewise.
6725 (build_selector_reference_decl): Likewise.
6726 (build_class_reference_decl): Likewise.
6727 (build_objc_string_decl): Likewise.
6728 (build_protocol_reference): Likewise.
6730 2001-01-10 Richard Henderson <rth@redhat.com>
6732 * hwint.h: Revert yesterday's change.
6734 2001-01-10 Nick Clifton <nickc@redhat.com>
6736 * function.h (save_machine_status): Delete.
6737 (restore_machine_status): Delete.
6738 Amend comment describing {init|mark|free}_machine_status.
6740 * function.c (save_machine_status): Delete.
6741 (restore_machine_status): Delete.
6742 Amend comment describing {init|mark|free}_machine_status.
6743 (push_function_context_to): Remove invocation of
6744 save_machine_status.
6745 (pop_function_context_from): Remove invocation of
6746 restore_machine_status.
6748 * emit-rtl.c (init_emit_once): Amend comment describing
6749 {init|mark|free}_machine_status.
6751 * tm.texi (Per-Function Data): New node. Describe the
6752 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6755 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6757 * cppinit.c (OPT_g): Remove.
6758 (cpp_handle_option): Update for removed -g3.
6759 (print_help): Update.
6760 * cpplib.h (struct cpp_options): Remove debug_output.
6761 * cppmain.c (setup_callbacks, cb_define): Update.
6762 * gcc.c (cpp_options): Translate -g3 to -dD.
6764 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6766 * config/i960/i960.md: Change modifier to + on the zero_extract
6767 pattern after the (rotate -2 reg) canonicalization pattern.
6769 2001-01-10 Richard Henderson <rth@redhat.com>
6771 * config/alpha/alpha.c (alpha_free_machine_status): New.
6772 (override_options): Install it.
6773 (alpha_mark_machine_status): Verify machine non-null.
6774 * config/i386/i386.c (ix86_free_machine_status): New.
6775 (override_options): Install it.
6776 (ix86_init_machine_status): Use xcalloc.
6777 (ix86_mark_machine_status): Verify machine non-null.
6778 * config/ia64/ia64.c (ia64_free_machine_status): New.
6779 (ia64_override_options): Install it.
6780 (ia64_mark_machine_status): Verify machine non-null.
6782 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6784 * function.c (instantiate_virtual_regs): Instantiate virtual
6785 registers found in CALL_INSN_FUNCTION_USAGE.
6787 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6789 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6790 equivalent to -ansi in disabling -Di386.
6792 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6794 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6796 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6798 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6800 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6802 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6804 * invoke.texi: Document that -fcond-mismatch isn't supported for
6807 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6809 * gcc.texi: Define macro gcctabopt.
6810 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6811 @command, @env and @option in some places where appropriate. Use
6812 @gcctabopt where appropriate. Put URLs and email addresses inside
6815 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6817 * gcc.c (cpp_options): Set MD file name from output
6818 filename, if specified.
6819 (suffix_subst): New static variable.
6820 (do_spec): Clear it.
6821 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6823 (give_switch): Handle suffix_subst.
6825 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6827 * invoke.texi: Fix another typo.
6829 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6831 * invoke.texi: Fix typo.
6833 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6835 * c-lang.c (lang_hooks): Update.
6836 (lang_decode_option): Remove.
6837 (lang_init_options): Rename c_init_options.
6838 * toplev.c (main): Use lang_hooks for lang_init_options
6839 and lang_decode_option.
6840 * toplev.h (lang_hooks): Add 2 new hooks.
6841 * tree.h: Remove lang_init_options and lang_decode_option.
6842 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6843 * cp/decl2.c: Similarly.
6844 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6845 (lang_hooks): Update.
6846 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6848 (lang_init_options): Rename ffe_init_options.
6849 (lang_hooks): Update.
6850 (lang_decode_option): Remove.
6851 * java/lang.c (lang_init_options): Rename java_init_options.
6852 (lang_decode_option): Rename java_decode_option.
6853 (lang_hooks): Update.
6854 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6855 (lang_decode_option): Rename objc_decode_option.
6856 (lang_hooks): Update.
6858 2001-01-09 Nick Clifton <nickc@redhat.com>
6860 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6861 (d30v_return_addr_rtx): Delete.
6862 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6863 cfun->machine structure.
6864 (struct machine_function): Move to d30v.h
6865 (d30v_save_machine_status): Delete.
6866 (d30v_restore_machine_status): Delete.
6867 (d30v_init_machine_status): New Function.
6868 (d30v_mark_machine_status): New Function.
6869 (d30v_free_machine_status): New Function.
6870 (d30v_init_expanders): Use new functions.
6871 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6872 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6873 d30v_return_addr_rtx.
6875 * config/d30v/d30v.h (struct_machine): Move here.
6876 Add eh_epilogue_sp_ofs field.
6878 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6879 field in cfun->machine structure.
6881 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6883 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6884 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6885 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6887 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6889 * objc/lang-options.h: Remove bogus reference to
6892 2001-01-09 Kazu Hirata <kazu@hxi.com>
6894 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6897 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6899 * reload.c (find_reloads_address): Check for eliminable registers
6900 when substituting a constant expression for a pseudo.
6902 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6904 * c-common.c (enum format_type): Add format_type_error.
6905 (decode_format_type): New function.
6906 (decl_attributes): Use it.
6907 (format_kind_info): Adjust comment.
6909 2001-01-09 David O'Brien <obrien@BSDi.com>
6911 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6912 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6914 * config/i386/gnu.h: Don't include required platform specific .h files,
6915 tm.h will do it instead.
6916 * config/i386/i386elf.h: Likewise.
6917 * config/i386/linux.h: Likewise.
6918 * config/i386/moss.h: Likewise.
6919 * config/mips/gnu.h: Likewise.
6921 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6923 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6924 (rs6000-ibm-aix3.[01]*): Likewise.
6925 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6926 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6927 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6928 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6929 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6930 (powerpc-*-eabiaix*): Likewise.
6931 (powerpc-*-eabisim*): Likewise.
6932 (powerpc-*-elf*): Likewise.
6933 (powerpc-*-eabi*): Likewise.
6934 (powerpc-*-rtems*): Likewise.
6935 (powerpc-*-linux*libc1): Likewise.
6936 (powerpc-*-linux*): Likewise.
6937 (powerpc-wrs-vxworks*): Likewise.
6938 (powerpcle-wrs-vxworks*): Likewise.
6939 (powerpcle-*-sysv*): Likewise.
6940 (powerpcle-*-elf*): Likewise.
6941 (powerpcle-*-eabisim*): Likewise.
6942 (powerpcle-*-eabi*): Likewise.
6943 (powerpcle-*-solaris2*): Likewise.
6944 * config/rs6000/aix31.h: Delete includes.
6945 * config/rs6000/aix3newas.h: Likewise.
6946 * config/rs6000/aix41.h: Likewise.
6947 * config/rs6000/aix43.h: Likewise.
6948 * config/rs6000/beos.h: Likewise.
6949 * config/rs6000/rtems.h: Likewise.
6950 * config/rs6000/sysv4.h: Likewise.
6952 2001-01-09 Kazu Hirata <kazu@hxi.com>
6954 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6955 Change an argument mode of machine_mode to shift_mode of
6956 shift_mode. Remove an extra error check.
6957 (emit_a_shift): Adopt to the new calling prototype of
6959 (function_prologue): Fix code for a monitor
6960 function. Support H8/S.
6961 (function_epilogue): Do not output pop for a monitor function.
6963 2001-01-09 Nick Clifton <nickc@redhat.com>
6965 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6966 (setup_incoming_varargs): Use sysv_varargs_p field of the
6967 cfun->machine structure.
6968 (struct machine_function): Move to rs6000.h
6969 (rs6000_save_machine_status): Delete.
6970 (rs6000_restore_machine_status): Delete.
6971 (rs6000_init_machine_status): New Function.
6972 (rs6000_free_machine_status): New Function.
6973 (rs6000_init_expanders): Use new functions.
6975 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6977 (struct machine_function): Move here.
6979 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6980 sysv_varargs_p field of the cfun->machine structure.
6982 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6984 (rs6000_restore_machine_status): Remove prototype.
6986 2001-01-09 Richard Henderson <rth@redhat.com>
6988 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6989 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6990 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6991 (sched_analyze_2, sched_analyze_insn): Likewise.
6992 (sched_analyze, init_deps): Likewise.
6993 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6994 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6995 (compute_block_backward_dependences): Update propagate_deps call.
6997 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6999 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7001 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7003 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7004 (cpp_handle_option): Handle them.
7005 (cpp_post_options): Ensure one of -M or -MM is specified with
7006 any other -M? option.
7007 (init_dependency_output): Suppress output with -MG.
7009 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7012 * invoke.texi: Update.
7014 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7016 * sh.md (reload_outsf): Generate recognizable patterns for
7019 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7021 * c-lang.c (lang_hooks): Update.
7022 (lang_init): Rename c_init.
7023 (lang_finish): Remove.
7024 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7026 * toplev.h (lang_hooks): Add init () and finish ().
7027 * tree.h (lang_init, lang_finish): Remove.
7028 * cp/tree.h (lang_init, lang_finish): Remove.
7029 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7030 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7032 (lang_init, lang_finish): Remove.
7033 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7034 (lang_hooks): Update.
7035 * java/lang.c (lang_init): Rename java_init.
7036 (lang_finish): Remove.
7037 (lang_hooks): Update.
7038 * objc/objc-act.c (lang_init): Rename objc_init.
7039 (lang_finish): Remove.
7040 (lang_hoooks): Update.
7042 20001-01-09 Graham Stott <grahams@redhat.com>
7044 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7045 after `ptr` is initialised.
7047 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7049 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7050 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7051 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7052 stack adjusts, instead of r3.
7054 2001-01-09 Michael Hayes <mhayes@redhat.com>
7056 * flow.c (flow_loop_scan): Break out of ...
7057 (flow_loops_find) ... here.
7058 * basic-block.h (flow_loop_scan): New.
7059 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7060 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7062 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7064 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7066 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7067 realloc()ing macro_buffer.
7069 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7070 if it's wider than long and the target's long is wider than the
7073 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7075 Remove support for using UWIN as a host machine.
7076 * configure.in: Issue an error message.
7077 * configure: Regenerated.
7078 * config.gcc: Remove xm_* UWIN configury.
7079 * config/i386/xm-uwin.h: Remove.
7081 2001-01-08 Nick Clifton <nickc@redhat.com>
7083 * config/v850/v850.c (ra_rtx): Delete.
7084 (v850_save_machine_status): Delete.
7085 (v850_restore_machine_status): Delete.
7086 (v850_init_machine_status): New function.
7087 (v850_mark_machine_status): New function.
7088 (v850_free_machine_status): New function.
7089 (v850_return_addr): Use ra_rtx field in machine structure.
7090 (v850_init_expanders): Use new functions.
7092 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7093 * config/v850/v850.c: Change arguments to v850_output+* functions
7094 to take a const char *, to avoid compile time warning.
7095 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7096 (USER_LABEL_PREFIX): Redefine.
7098 2000-01-08 Jim Wilson <wilson@redhat.com>
7100 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7101 1 to unsigned HOST_WIDE_INT before left shift.
7103 2001-01-08 Nick Clifton <nickc@redhat.com>
7105 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7106 the machine structure has been allocated.
7107 (arm_free_machine_status): New function: Free the machine
7108 specific function structure.
7110 2001-01-08 Richard Henderson <rth@redhat.com>
7112 * jump.c (simplejump_p): Revert last change.
7114 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7116 * cppinit.c (init): Rename init_library.
7117 (cpp_create_reader): Update.
7118 * gcc.c (cpp_options): If -o given, use it as the target of
7121 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7123 * arm.c (arm_arch5e): New variable.
7124 (all_cores): XScale is a 5TE device.
7125 (arm_override_options): Set arm_arch5e.
7126 (arm_init_builtins): __builtin_prefetch is in arch5e.
7127 * arm.h (arm_arch5e): Declare it.
7129 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7131 * arm.md (define_constants): Add defines for UNSPEC and
7132 UNSPEC_VOLATILE insns. Update all users.
7133 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7134 * arm.c (multi_register_push, note_invalid_constants)
7135 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7136 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7137 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7139 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7141 * jump.c (jump_optimize_1): Use reversed_comparison_code
7142 instead of can_reverse_comparison_p.
7143 (jump_back_p): Likewise.
7144 (invert_exp_1): Likewise.
7145 (thread_jumps): Likewise.
7146 * simplify-rtx.c (simplify_unary_operation): Likewise.
7147 (simplify_ternary_operation): Likewise.
7148 * cse.c (find_comparison_args): Convert to use
7149 can_reverse_comparison_p.
7150 (record_jump_equiv): Likewise.
7152 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7154 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7155 (EPILOGUE_USES): Define.
7156 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7157 automatically stack the LR if it isn't live.
7159 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7161 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7164 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7166 * ggc-page.c (max_alignment): New structure.
7167 (MAX_ALIGNMENT): New macro.
7168 (init_ggc): Use it to round up the sizes in the
7169 extra_order_size_table.
7171 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7173 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7176 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7178 * builtins.def (BUILT_IN_FPRINTF): New entry.
7180 * c-common.c (c_expand_builtin_fprintf): New function.
7181 (init_function_format_info): Handle __builtin_fprintf.
7182 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7183 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7185 * c-decl.c (duplicate_decls): Adjust comment.
7187 * extend.texi (fprintf): Document new builtin.
7189 2001-01-07 Richard Henderson <rth@redhat.com>
7191 * jump.c (simplejump_p): Recognize any single_set jump
7194 2001-01-07 Richard Henderson <rth@redhat.com>
7196 * configure.in (slibdir): Accept an --with-slibdir option.
7197 Use "test" not "[" in configure. Default to $(libdir).
7199 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7201 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7202 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7203 (SHLIB_LINK): Create links for the soname.
7204 * config/mips/t-iris6: Likewise.
7205 * config/sparc/t-slibgcc: Likewise.
7206 * config/sparc/t-slibgcc-sld: Likewise.
7208 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7210 * config/i386/i386.c (constant_call_address_operand): Accept
7211 (const (plus (symbol_ref) (const_int))).
7212 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7213 constant_call_address_operand.
7215 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7217 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7218 and LONG_LONG_TYPE_SIZE > 32.
7220 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7222 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7223 the previous change.
7225 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7227 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7229 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7230 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7231 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7234 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7236 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7238 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7240 * c-lang.c (c_post_options): Call cpp_post_options.
7241 * objc/objc-act.c (objc_post_options): Similarly.
7242 * cppmain.c (main): Similarly.
7243 * fix-header.c (read_scan_file): Similarly.
7244 * cppinit.c (cpp_start_read): Move option consistency checks
7245 to cpp_post_options. Don't call init_dependency_output.
7246 If needed, add default target and main file dependency.
7247 (OPT_MD, OPT_MMD): Remove.
7249 (cpp_handle_option): Update for OPT_* changes.
7250 (cpp_post_options): New.
7251 (init_dependency_output): Command line -MF overrides environment
7252 variables. Don't set default target etc. Suppress output
7253 if dependencies are going to stdout.
7254 (print_help): Update.
7255 * cpplib.h (cpp_post_options): New.
7256 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7258 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7260 * jump.c (comparison_dominates_p): Support unordered compares.
7262 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7264 * simplify-rtx.c (simplify_relational_operation): Always simplify
7265 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7268 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7270 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7271 (nonzero_bits): Likewise.
7272 (simplify_comparison): Likewise.
7273 (num_sign_bit_copies): Likewise; return more sane value depending
7274 on STORE_FLAG_VALUE.
7275 (known_cond): Do not assume EQ to be always true for equivalent
7278 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7280 * cse.c (fold_rtx): Handle unordered comparisons.
7282 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7284 * rtlanal.c (set_of_1): New static function.
7285 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7286 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7287 reg_set_last_last_regno): Remove.
7288 (set_of): New global function.
7289 (set_of_data): New structure.
7290 (reg_set_p, reg_set_last): Revamp for set_of.
7291 * rtl.h (set_of): New.
7293 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7295 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7296 * extend.texi: Document _Exit builtin.
7298 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7300 * (initialize, initialize_builtins,
7301 initialize_dependency_output, initialize_standard_includes):
7302 Rename s/initialize/init. Update.
7303 (init_dependency_output): Move to after
7304 cpp_handle_options, the correct location temporally at least.
7305 (opt_comp): Move next to init (), its caller. Fix prototype.
7306 (init): Make "initialized" local scope.
7307 (cpp_create_reader): Always call init ().
7308 (cpp_start_read): Update.
7309 (output_deps): New function, broken out of cpp_finish.
7310 (cpp_finish): Break out output_deps.
7312 2001-01-07 Richard Henderson <rth@redhat.com>
7314 * collect2.c (COFF specific stuff): Revert 12-06 patch
7315 to prototype system functions.
7317 2001-01-07 Michael Hayes <mhayes@redhat.com>
7319 * hard-reg-set.h: Add multiple include guard.
7320 * basic-block.h (struct loop): Add `sink' field.
7321 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7322 (emit_iv_add_mult): Delete.
7323 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7324 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7325 (unroll_loop): Remove end_insert_before argument.
7326 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7327 (maybe_eliminate_biv_1): Likewise.
7328 (emit_iv_add_mult): Delete.
7329 (gen_add_mult, loop_regs_update): New.
7330 (loop_insn_emit_after, loop_insn_emit_before): New.
7331 (loop_insn_sink, loop_insn_sink_or_swim): New.
7332 (emit_iv_add_mult): Delete.
7333 (scan_loop): Set loop->sink.
7334 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7335 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7336 (maybe_eliminate_biv_1): Likewise.
7337 (maybe_eliminate_biv_1): Add basic block argument.
7338 * unroll.c (unroll_loop): Remove end_insert_before argument.
7339 (find_splittable_regs): Likewise.
7340 (find_splittable_regs): Use loop_insn_sink and its ilk.
7341 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7343 2001-01-07 Michael Hayes <mhayes@redhat.com>
7345 * loop.h (loop_insn_hoist): New prototype.
7346 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7347 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7348 (check_dbra_loop, load_mems): Likewise.
7349 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7350 (find_splittable_givs): Likewise.
7352 2001-01-07 Michael Hayes <mhayes@redhat.com>
7354 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7356 2001-01-07 Richard Henderson <rth@redhat.com>
7358 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7360 2001-01-07 Richard Henderson <rth@redhat.com>
7362 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7363 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7364 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7365 variant that handles a shared libgcc.
7366 (process_command): Always validate -{static,shared}-libgcc.
7367 (do_spec_1): New 'M' case.
7368 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7370 2001-01-07 Richard Henderson <rth@redhat.com>
7372 * Makefile.in (slibdir): New variable.
7373 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7374 (installdirs): Create slibdir.
7375 (install-libgcc, install-multilib): Defer to libgcc.mk.
7376 * configure.in (slibdir): Substitute.
7377 * mklibgcc.in (install): New target.
7379 * config/t-linux (SHLIB_LINK): Create links for the soname.
7380 (SHLIB_INSTALL): New.
7381 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7382 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7383 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7384 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7385 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7387 2001-01-07 Richard Henderson <rth@redhat.com>
7389 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7390 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7391 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7393 2001-01-07 Michael Hayes <mhayes@redhat.com>
7395 * loop.c (count_loop_regs_set): Delete.
7396 (load_mems_and_recount_loop_regs_set): Delete.
7397 (loop_regs_scan): Merge common code from count_loop_regs_set,
7398 scan_loop, and load_mems_and_recount_loop_regs_set.
7399 (scan_loop): Call load_mems directly and loop_regs_scan
7400 again if new registers created.
7402 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7404 * toplev.c (main): Call the front-end specific post_options
7405 hook if one is given.
7406 * toplev.h (struct_lang_hooks, lang_hooks): New.
7407 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7408 for the C front end.
7409 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7410 lang_hooks for the C++ front end.
7411 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7412 lang_hooks for the ObjC front end.
7413 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7414 * java/lang.c (lang_hooks): Hooks for the Java front end.
7416 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7418 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7419 for verbose DWARF[2] debugging.
7420 (cb_define, cb_undef): The new callbacks.
7421 * toplev.h (debug_define, debug_undef): Make const correct.
7422 * toplev.c (debug_define, debug_undef): Similarly. Do not
7423 perform the verbosity tests here anymore.
7425 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7427 * reload.c (subst_reloads): Take INSN argument. When
7428 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7429 * reload.h (subst_reloads): Adjust prototype.
7430 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7431 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7432 present in JUMP_INSNs and copy them to JUMP_LABEL.
7433 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7434 JUMP_INSNs and insns with REG_LABELs that are followed by
7435 JUMP_INSNs with the same REG_LABEL.
7436 * sched-rgn.c (is_cfg_nonregular): Likewise.
7437 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7439 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7441 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7443 2001-01-06 Richard Henderson <rth@redhat.com>
7445 * loop.c (scan_loop): Use xcalloc for the regs array.
7446 (load_mems_and_recount_loop_regs_set): Zero the new memory
7447 received from xrealloc.
7449 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7451 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7453 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7455 * integrate.c (copy_rtx_and_substitute): When copying
7456 an ignored return value, strip REG_FUNCTION_VALUE_P.
7458 2001-01-06 Michael Hayes <mhayes@redhat.com>
7460 * loop.c (debug_biv, debug_giv): New.
7461 (loop_biv_dump): Break out from ...
7462 (record_biv): ... here.
7463 (loop_giv_dump): Break out from ...
7464 (record_giv): ... here.
7465 (loop_bivs_check): Use print_simple_rtl.
7466 * unroll.c (loop_iterations): Use print_simple_rtl.
7468 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7470 * pa.md (return, return_internal): Modify patterns to prevent regrename
7471 mucking with the return pointer.
7473 2001-01-05 Richard Henderson <rth@redhat.com>
7475 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7477 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7479 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7480 version supplied by Matteo Frigo.
7482 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7484 * cpp.texi: Update for -MQ.
7485 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7486 (cpp_cleanup): Always free pfile->deps.
7487 (initialize_dependency_output): Don't create pfile->deps.
7488 (cpp_handle_option): Similarly.
7490 * gcc.c (cpp_options): Handle -MQ.
7491 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7492 * mkdeps.c (base_name): Remove.
7493 (deps_init): Don't allocate vector space until it's needed.
7494 (deps_free): Only free vectors if allocated.
7495 (deps_add_target, deps_add_dep): Update for initial allocation.
7496 (deps_add_default_target): Don't strip to the base_name.
7498 2001-01-05 DJ Delorie <dj@redhat.com>
7500 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7501 (INIT_EXPANDERS): Define.
7503 * config/v850/v850.c (struct machine_function): Define.
7504 (v850_save_machine_status): New function.
7505 (v850_restore_machine_status): New function.
7506 (v850_return_addr): New function.
7507 (v850_init_expanders): New function.
7509 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7510 and v850_init_expanders.
7512 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7514 * cpplib.h (struct cpp_reader): Add help_only field.
7515 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7516 (cpp_handle_option): Set pfile->help_only if we see -h,
7517 --help, -target-help, or --version. Print version string but
7518 do not set help_only if we see -v or -version. Make text
7519 printed by -v match that printed by (-)-version.
7521 * cppmain.c (main): Exit after option parsing if
7522 pfile->help_only is true.
7524 * toplev.c (independent_decode_option): Call print_version,
7525 then exit, if we see --version (but not -version).
7526 (print_version): Split lengthy message into two lines.
7528 2001-01-05 Nick Clifton <nickc@redhat.com>
7530 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7531 temporary string for initialisation before calling ggc_alloc_string.
7533 2001-01-06 Michael Hayes <mhayes@redhat.com>
7535 * rtl.h (print_simple_rtl): New.
7536 * print-rtl.c (print_simple_rtl): New.
7538 (print_rtx): Disable printing of flags and modes, etc.,
7539 if `flag_simple` nonzero.
7541 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7543 * function.c (fixup_var_refs): Use push_to_full_sequence where
7546 2001-01-05 Michael Meissner <meissner@redhat.com>
7548 * flags.h (flag_reorder_blocks): Add declaration.
7549 (flag_rename_block): Ditto.
7551 2001-01-05 DJ Delorie <dj@redhat.com>
7553 * function.c (reorder_blocks): Make sure the flags are all reset
7554 before using them to mark blocks, else a second invocation will
7555 corrupt the block chain.
7556 (reorder_blocks_0): New, resets the flags.
7558 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7560 * cse.c (find_comparison_args): Stop if the argument is known to
7563 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7565 * config/sh/sh.md (movdf): When splitting load into pair of
7566 registers, don't clobber the register used in the address too
7569 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7571 * varasm.c (mark_constant_pool): Improve initial comments.
7572 (mark_constants): Move marking of constants to mark_constant.
7573 (mark_constant): New function to recursively mark all constants
7574 referred to by a constant.
7576 2001-01-05 Catherine Moore <clm@redhat.com>
7578 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7580 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7582 * cp/lang-options.h: Bring comment in line with reality.
7583 * f/lang-options.h: Likewise.
7584 * java/lang-options.h: Likewise.
7585 * objc/lang-options.h: Likewise.
7586 * ch/lang-options.h: Likewise.
7587 * f/g77.texi: And update the manual.
7589 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7590 Denis Chertykov <denisc@overta.ru>
7592 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7593 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7594 * config/avr/avr.md (all peepholes that request a scratch register):
7595 Call it, FAIL the peephole if not safe (in interrupt functions).
7597 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7599 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7601 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7603 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7605 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7606 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7607 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7608 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7609 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7611 * extend.texi: Document these builtins.
7613 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7615 * c-common.c (lang_get_alias_set): Say we know nothing of
7616 VECTOR_TYPE aliasing.
7618 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7620 2001-01-05 Bruce Korb <bkorb@gnu.org>
7622 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7623 their x* equivalent versions for atexit-less systems
7624 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7625 systems (or any other system any more).
7627 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7629 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7630 output operands. Use arm_hard_register_operand for operand 4.
7631 (stmsi_postinc): Similarly.
7632 (ldmsi): Use arm_hard_register_operand for opernand 2.
7634 * arm.c (arm_hard_register_operand): New function.
7635 * arm-protos.h (arm_hard_register_operand): Prototype it.
7637 * arm.h (HARD_REGNO_RENAME_OK): Define.
7639 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7641 * simplify-rtx.c (cfc_args): add "unordered" field.
7642 (check_fold_consts): Set unordered field.
7643 (simplify_relational_operation): Simplify the unordered
7646 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7649 * emit-rtl.c (try_split): Fix code to mark labels.
7650 * jump.c (mark_jump_label): Make global.
7651 * rtl.h (mark_jump_label): Declare.
7653 * predict.c (estimate_probability): Handle unordred comparisons.
7655 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7657 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7658 * cppinit.c (initialize_dependency_output): Update.
7659 (cpp_finish): Output dummy targets for -MP.
7661 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7662 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7663 * gcc.c (cpp_options): Update to handle -MP.
7664 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7665 to quote only the default target.
7666 (deps_phony_targets): Insert a preceding newline. Rename from
7667 deps_dummy_targets for consistency.
7670 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7672 * calls.c (emit_library_call_value_1): Support
7673 INIT_CUMULATIVE_LIBCALL_ARGS.
7674 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7676 2001-01-04 Richard Henderson <rth@redhat.com>
7678 * c-decl.c (finish_struct): Detect flexible array members
7679 used in an inappropriate context.
7680 * c-typeck.c (really_start_incremental_init): Special case
7681 constructor_max_index for zero length arrays.
7682 (pop_init_level): Allow initialization of flexible array
7683 members. Deprecate initialization of zero length arrays.
7684 Don't issue missing initializer warning for flexible array
7685 members or zero length arrays.
7686 (process_init_element): Don't dereference null DECL_SIZE.
7687 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7688 Don't abort for empty constructors. Use size_binop
7689 (output_constructor): Add commentary regarding zero length
7690 array futures. Abort if we try to initialize an array of
7691 unspecified length with a non-empty constructor in the middle
7694 * extend.texi (Zero Length): Update and clarify documentation
7695 on static initialization.
7697 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7699 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7700 with more than 32767 words of local storage.
7702 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7704 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7705 for 'abs', 'labs', and 'fabs'.
7706 (c4x_expand_builtin): Likewise.
7707 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7709 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7711 * config/sh/sh.md (prget, prset): New insn types.
7712 (return delay slot): Dont' allow prset.
7713 (call, sfunc delay slot): Don't allow prget.
7714 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7715 for prset and prget.
7717 2001-01-05 Michael Hayes <mhayes@redhat.com>
7719 * loop.h (struct loop_reg): New.
7720 (struct loop_regs): Change to use array of `struct loop_reg'.
7721 * loop.c: Replace assortment of varrays with single regs array.
7722 (count_one_set): Delete may_not_move array argument
7723 and use regs array instead. All caller's changed.
7724 (count_loop_regs_set): Delete may_not_move and single_usage
7725 arguments and use regs array instead. All caller's changed.
7726 (find_single_use_in_loop): Replace usage array argument with pointer
7727 to regs structure. All caller's changed.
7728 (loop_optimize): Delete `moved_once' array.
7730 2001-01-05 Michael Hayes <mhayes@redhat.com>
7732 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7733 Use it instead of loop_info->has_call for scanning loop mems.
7734 (check_dbra_loop): Replace loop_info->has_call test with
7735 loop_info->has_nonconst_call.
7737 2000-01-04 Matthew Hiller <hiller@redhat.com>
7739 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7742 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7744 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7745 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7747 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7749 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7750 (flag_short_double, flag_short_wchar): Define.
7751 (c_common_nodes_and_builtins): Create many tree nodes shared
7752 between C and C++ here instead of in cp/decl.c and ...
7753 * c-decl.c (init_decl_processing): ... here.
7754 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7755 (flag_short_double, flag_short_wchar): Don't define.
7756 (record_builtin_type): New function.
7757 (build_void_list_node): New function.
7758 * c-common.h (flag_short_double, flag_short_wchar,
7759 record_builtin_type, build_void_list_node): Declare.
7761 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7763 * integrate.c (expand_inline_function): Don't put a virtual
7764 register into the reg map.
7766 * function.c (fixup_var_refs_1): If force_operand didn't put
7767 the address into the target, move it there.
7769 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7771 Special-case tree_decl/tree_list allocations.
7772 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7773 (OBJECT_SIZE): New macro.
7774 (NUM_EXTRA_ORDER): Likewise.
7775 (extra_order_size_table): New variable.
7776 (NUM_ORDERS): New macro.
7777 (objects_per_page_table): New variable.
7778 (object_size_table): New variable.
7779 (G.pages): Use NUM_ORDERS to bound the array.
7780 (G.page_tails): Likewise.
7781 (DIV_ROUND_UP): Remove.
7782 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7783 (alloc_page): Use OBJECT_SIZE.
7784 (size_lookup): Don't make it const.
7785 (ggc_alloc): Use OBJECT_SIZE.
7786 (ggc_set_mark): Likewise.
7787 (ggc_get_size): Likewise.
7788 (init_ggc): Set up the object_size_table, objects_per_page_table,
7789 and adjust size_lookup.
7790 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7791 (ggc_pop_context): Use NUM_ORDERS.
7792 (clear_marks): Likewise.
7793 (sweep_pages): Likewise.
7794 (poison_pages): Likewise.
7795 (ggc_print_statistics): Use OBJECT_SIZE.
7797 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7799 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7800 Only call array_size_for_constructor if last field and array type
7801 with no upper bound.
7803 2001-01-04 Philip Blundell <philb@gnu.org>
7805 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7806 from bit 31 downwards, if this requires no more insns.
7807 (count_insns_for_constant): New helper function for above.
7809 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7811 * gencodes.c (output_predicate_decls): Remove empty initializer.
7813 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7815 * tree.c (copy_node): Remove documentation about obstacks.
7816 (buidl1): Check that nobody tries to build 2-argument nodes this
7819 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7821 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7824 * gencodes.c (output_predicate_decls): Fill empty initializer
7827 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7829 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7830 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7832 (do_include): Handle missing headers like cpp0.
7833 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7834 paths with first include pathname. Don't strcat to uninitialized
7837 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7839 * regrename.c (regrename_optimize): Don't rename from frame pointer
7840 if frame_pointer_needed.
7841 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7842 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7843 (ia64_reorg): Use it instead of scheduling if ! optimize.
7844 (errata_emit_nops): Properly call asm_noperands.
7845 (ia64_sched_reorder): Finish cycle if we see an asm.
7846 (ia64_variable_issue): Clear scheduling state after asms.
7848 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7850 * cpp.texi: Update for -MT.
7851 * cppinit.c (initialize_dependency_output): Add a default
7852 target if none has been given already.
7853 (no_tgt, OPT_MT): New.
7854 (cpp_handle_option): Handle -MT. Update -M etc.
7855 * cpplib.h (struct cpp_options): Remove deps_target.
7856 * gcc.c (cpp_options): Handle -MT.
7857 * mkdeps.c (struct deps): Move from mkdeps.h.
7858 (deps_calc_target): Rename deps_add_default_target. Add a
7859 default target if none has been specified already.
7860 * mkdeps.h (struct deps): Move to mkdeps.c.
7861 (deps_calc_target): Rename deps_add_default_target.
7863 2000-01-03 Richard Henderson <rth@redhat.com>
7865 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7867 * c-typeck.c (push_init_level): Move checks for flexible array
7868 members and zero length arrays ...
7869 (pop_init_level): ... here. Silently discard empty initializations.
7871 * varasm.c (output_constructor): Update for sizeof change to
7874 * extend.texi (Zero Length): Clarify semantics.
7876 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7878 * configure.in (tm.h): Include isns-codes.h last.
7879 * configure: Rebuilt.
7881 2001-01-03 Richard Henderson <rth@redhat.com>
7883 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7884 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7886 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7888 * tradcpp.c (main): Make sure finclude() is called with a valid
7889 indepth value while handling -include.
7891 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7893 * gencodes.c (output_predicate_decls): New function.
7895 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7896 even if it is not the first time machmode.h is #included.
7897 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7898 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7899 * gcc.texi (Copyright): Added 2001.
7901 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7903 * c-common.c (c_common_lang_init): New function. Warn if format
7904 warning options which only have effects when used with -Wformat
7905 are used without -Wformat.
7906 * c-common.h (c_common_lang_init): Declare.
7907 * c-lang.c (lang_init): Call c_common_lang_init.
7908 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7910 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7912 * configure.in: Check for the mktemp command.
7913 * configure: Regenerate.
7914 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7915 $TEMP. Create temporary files with mktemp, if available at
7916 configure time; otherwise use set -C. Remove temporary files
7919 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7921 * configure.in: Require at least texinfo 4.0. Check for whether
7922 Pod::Man is sufficiently recent to regenerate GCC manpages.
7923 * configure: Regenerate.
7924 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7926 (GENERATED_MANPAGES): Define.
7927 (generated-manpages): New target. Depend on cpp.1 as well as
7929 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7930 configure to generated-manpages or empty) rather than on the
7931 manpages directly. Remove execute permission from installed
7932 gcov.1 as well as cpp.1.
7933 * cpp.1, gcov.1: Regenerate.
7935 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7938 tree_low_cst. Allow using cmpstrsi in more cases.
7940 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7942 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7945 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7947 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7948 * Makefile.in (HOST_CFLAGS): Mention build-make.
7950 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7952 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7955 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7957 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7960 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7963 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7964 reg_base_value and reg_known_value arrays.
7965 (init_alias_analysis): Add more cases to detect known values.
7966 * sched-deps.c (deps_may_trap_p): New function.
7967 (sched_analyze_2): Use it.
7969 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7971 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7972 don't discard an ASHIFTRT if we're shifting in a wider mode.
7974 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7976 * toplev.c (rest_of_compilation): Don't print basic block information
7977 when CFG isn't up to date.
7979 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7981 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7982 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7983 (UNALIGNED_SHORT_ASM_OP): Define.
7984 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7986 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7988 * fold-const.c (fold_convert): Fix typo.
7990 2001-01-02 Richard Henderson <rth@redhat.com>
7992 * c-common.h (ASM_INPUT_P): New.
7993 * c-parse.in (asm): Set it when needed.
7994 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7995 existance of an operand.
7997 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7999 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8000 (dwarf2out_frame_debug_expr): Likewise.
8001 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8003 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8005 * i386.c (ix86_split_to_parts): Return number of part required;
8007 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8009 (ix86_split_long_move): Use number of part returned
8010 by ix86_split_to_parts
8011 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8013 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8014 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8015 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8016 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8017 (ALIGN_MODE_128): Add TFmode.
8018 (IS_STACK_MODE): Likewise.
8019 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8020 (HARD_REGNO_OK): Support TFmodes.
8021 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8022 * i386.md (scheduler definitions): Use memory operand to determine
8023 fst/fld instructions; use mode attribute to determine real mode of
8025 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8026 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8028 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8030 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8032 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8034 * expr.c (store_constructor_field): Update ALIGN before calling
8037 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8039 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8042 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8044 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8047 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8049 * c-decl.c (start_function): Don't warn on third parameter to main.
8051 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8053 * tsystem.h: Define HAVE_DECL_GETOPT.
8055 2001-01-02 Philip Blundell <pb@futuretv.com>
8057 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8060 2001-01-02 Richard Henderson <rth@redhat.com>
8062 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8064 2001-01-02 Andreas Jaeger <aj@suse.de>
8066 * c-decl.c (c_decode_option): Remove support of
8069 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8070 (W_options): Add -Wmissing-noreturn here.
8072 * flow.c: Define lang_missing_noreturn_ok_p.
8073 (check_function_return_warnings): Use it.
8075 * c-common.h: Declare lang_missing_noreturn_ok_p.
8077 * c-lang.c (c_missing_noreturn_ok_p): New function.
8078 (lang_init): Set lang_missing_noreturn_ok_p.
8080 * invoke.texi (Warning Options): Document this.
8082 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8084 * extend.texi (C++ Extensions): New node for C++ attributes;
8085 describe init_priority and com_interface.
8086 * invoke.texi: Remove -finit-priority as it now has zero effect.
8087 * install.texi: Fix xref syntax.
8088 * md.texi: Likewise.
8090 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8092 * config.gcc (sparc64-wrs-vxworks*): New case.
8093 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8095 * config/sparc/sparc.c (sparc_override_options): Do support different
8096 pointer and architecture size.
8097 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8098 (POINTERS_EXTEND_UNSIGNED): Define.
8099 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8100 (FUNCTION_MODE): Define to be Pmode.
8101 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8103 * function.c (expand_function_end): Properly handle DECL_RESULT
8104 and copy when ptr_mode != Pmode.
8105 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8107 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8109 * c-common.c (c_common_nodes_and_builtins): Set prototype
8110 parameters for __builtin_fputs, __builtin_fputc and
8111 __builtin_fwrite. Don't declare plain fputc as a builtin.
8113 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8115 * loop.c (add_label_notes): Increment the label usage count when
8116 a note is added to an insn which refers to a CODE_LABEL.
8117 * gcse.c (add_label_notes): Likewise.
8119 2001-01-01 Andreas Jaeger <aj@suse.de>
8121 * loop.c (scan_loop): Use xmalloc to allocate movables.
8123 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8125 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8126 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8127 * reload1.c (REGISTER_MOVE_COST): Likewise.
8128 * regclass.c (REGISTER_MOVE_COST): Likewise.
8129 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8130 dimension. Adjust all users.
8131 (init_reg_sets_1): Iterate on all modes.
8132 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8133 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8134 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8135 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8136 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8137 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8138 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8139 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8140 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8141 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8142 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8143 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8144 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8145 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8146 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8147 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8148 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8149 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8150 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8151 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8152 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8153 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8154 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8155 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8156 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8157 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8158 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8160 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8162 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8163 arg VARIES_P. Call it with extra arg.
8164 (true_dependence): Likewise.
8165 * rtl.h (rtx_addr_can_trap_p): Declare.
8166 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8168 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8169 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8170 pic offset table register if it's zero. All callers changed.
8171 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8173 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8175 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8176 STRING_POOL_ADDRESS_P.
8178 * config/sparc/sparc.c (input_operand): Properly test for short op.
8180 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8181 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8182 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8183 * config/sparc/elf.h: No longer include sol2.h.
8184 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8185 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8187 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8189 2001-01-01 Michael Hayes <mhayes@redhat.com>
8191 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8192 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8193 (record_initial): Likewise.
8194 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8195 (remap_split_bivs): Likewise.
8197 2001-01-01 Michael Hayes <mhayes@redhat.com>
8199 * loop.c (loop_ivs_free): New function.
8200 (strength_reduce): Break out from...
8202 2001-01-01 Michael Hayes <mhayes@redhat.com>
8204 * loop.h (struct iv): New.
8205 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8206 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8207 'reg_biv_class' fields with 'regs' and 'n_regs'.
8208 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8209 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8210 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8212 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8214 * resource.c (mark_referenced_resources): Abort() before
8215 attempting to mark a pseudo register.
8216 (mark_set_resources): Likewise.
8218 2001-01-01 Michael Hayes <mhayes@redhat.com>
8220 * loop.h (REG_IV_CLASS): New accessor macro.
8221 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8222 * unroll.c (REG_IV_CLASS): Likewise.
8224 See ChangeLog.4 for earlier changes.