1 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4 (DEBUG_ARANGES_END_LABEL): Ditto.
5 (dwarfout_init): Generate length and version fields at the start
6 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
7 after the length field.
8 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
9 the .debug_aranges info.
11 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
13 * i386.c (call, call_value): Make sure that resulting call_insn
14 does have proper second operand.
16 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
18 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
19 function. Remove include of sys/cygwin.h.
21 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
23 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
24 (CPP_SPEC): Always search */include/w32api for header files.
25 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
26 (LINK_SPEC): Add "cyg" to the library search prefixes.
28 2001-04-08 Philip Blundell <philb@gnu.org>
30 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
32 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
34 * cpperror.c (print_location): Don't special case <stdin>.
35 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
36 WARNING, but we don't check if we're in system headers.
37 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
38 * cpplib.c (do_warning): Warn in system headers.
40 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
42 * mbchar.c: Include config.h first.
44 2001-04-07 Zack Weinberg <zackw@stanford.edu>
46 * config.gcc: Set default for xmake_file at top, not bottom.
47 Change places that set xmake_file to "none" to set to the
48 empty string instead, or remove them entirely if there is no
49 default xmake_file for this cpu_type. Remove references to
52 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
53 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
54 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
55 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
56 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
57 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
58 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
59 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
60 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
61 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
64 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
65 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
66 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
67 config/mips/x-sysv, config/rs6000/x-aix31:
68 Just set CLIB to -lld or -lmld, as appropriate.
70 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
71 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
72 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
73 config/mips/x-iris, config/pa/x-pa:
74 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
75 OTHER_FIXINCLUDES_DIRS.
77 * config/i386/x-djgpp: Don't set LN or LN_S.
78 * config/m88k/x-dolph: Don't define __m88k__.
79 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
80 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
81 * config/i860/fx2800.h: No need to #undef SVR4.
83 38 x-host fragments remain, 2 x-cpu.
85 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
87 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
89 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
91 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
93 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
95 * configure.in: Add check for lstat.
96 * configure, config.in: Regenerate.
97 * cppinit.c (append_include_chain): Make empty path ".".
98 * cpplib.c (do_line): Don't simplify #line paths.
99 * cppfiles.c (remove_component_p): New function.
100 (find_or_create_entry): Acknowledge stat () errors during
102 (handle_missing_header): Don't simplify paths.
103 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
104 the empty path untouched. Don't leave a trailing '/'.
106 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
108 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
109 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
111 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
113 * cppfiles.c (open_file): Fail directories silently, but
114 with an errno of NOENT set.
115 (read_include_file): Move the common exit code to the sole
116 caller. Return an int indicating success or failure. Let
117 open_file handle directories.
118 (stack_include_file): If read_include_file fails,
119 push a "null" buffer.
121 2001-04-05 DJ Delorie <dj@redhat.com>
123 * function.h (virtuals_instantiated): Declare.
124 * function.c: (virtuals_instantiated): Make global.
125 * calls.c (emit_library_call_value_1): Use
126 virtual_outgoing_args_rtx only if it hasn't been instantiated.
127 Otherwise, use the stack pointer directly.
129 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
131 * i386.c (x86_initialize_trampoline): New global function.
132 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
133 (INITIALIZE_TRAMPOLINE): Move offline.
134 * i386-protos.h (x86_initialize_trampoline): Declare.
136 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
138 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
139 (lea_0): Rename to lea_1.
140 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
141 (lea_general_?): Allow SImodes on TARGET_64BIT
142 (lea_general_?_zext): New patterns.
143 (call_1, call_1_rex64): Fix.
145 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
147 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
149 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
151 * i386.c (function_arg): Return constm1_rtx for last argument.
152 (ix86_expand_prologue): Update gen_call calls.
153 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
154 * i386.md (call_pop): Likewise.
155 (call): Second operand is VOIDmode.
156 (call_0): Likewise; Support 64bits.
157 (call_exp): New expander.
158 (call_1): Get to the sync.
159 (call_1_exp): New pattern.
160 (call_value): Support 64bit.
161 (call_value_exp): New pattern.
162 (untyped_call): Update gen_call call.
163 (call_value_pop): Disable for 64bit.
164 (call_value_0_rex64): New pattern.
165 (call_value_1_rex64): Likewise.
167 2001-04-05 Bo Thorsen <bo@suse.de>
169 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
171 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
173 * i386.md (*andsi_1+3): If used after reload, make sure the operand
174 satisfies ANY_QI_REG_P.
176 2001-04-05 Bernd Schmidt <bernds@redhat.com>
178 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
181 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
184 2001-04-04 Zack Weinberg <zackw@stanford.edu>
186 * config.gcc: Remove default for xm_file. Clean up local
187 machine type handling. Remove settings of xm_file to
188 something that doesn't exist. In the big switch, set xm_file,
189 don't append to it (the value before the big switch is always
190 null). Don't force build_xm_file or host_xm_file to have a value.
191 * configure.in: Remove default for xm_file. Do not special
192 case $cpu/xm-$cpu.h not existing.
193 * configure: Regenerate.
195 2001-04-04 Diego Novillo <dnovillo@redhat.com>
197 * simplify-rtx.c (simplify_binary_operation): Check for overflow
198 when folding integer division and modulo operations.
200 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
202 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
203 instead of DWARF2_ADDR_SIZE for EH addresses.
204 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
207 2001-04-04 Richard Henderson <rth@redhat.com>
209 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
210 * config/ia64/t-glibc (LIB2ADDEH): Disable.
211 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
213 2001-04-04 Richard Henderson <rth@redhat.com>
215 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
216 * configure: Rebuilt.
218 2001-04-04 Jakub Jelinek <jakub@redhat.com>
220 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
221 push insns to delete to it instead of deleting them.
222 (delete_null_pointer_checks): Delete insns from delete_list after
223 all delete_null_pointer_checks_1 passes are done.
225 2001-04-04 Richard Henderson <rth@redhat.com>
227 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
228 * configure: Rebuilt.
230 2001-04-04 Zack Weinberg <zackw@stanford.edu>
232 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
233 * config/romp/xm-romp.h: Delete.
235 2001-04-04 Bernd Schmidt <bernds@redhat.com>
237 * sched-deps.c (sched_analyze_insn): Partially revert March 27
240 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
242 * emit-rtl.c (mark_label_nuses) Increment the label uses for
243 all labels present in rtx.
244 (try_split) Call new function for all split insns.
246 2001-04-04 Jakub Jelinek <jakub@redhat.com>
248 * recog.c (validate_replace_rtx_1): Instead of aborting just make
249 sure the change won't be validated.
251 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
253 * rtl.h (set_noop_p): Declare.
254 * flow.c (set_noop_p): Move from here ...
255 * rtlanal.c (set_noop_p): ... to here and enhance.
256 * cse.c (delete_trivially_dead_insns): Use it.
257 * gcse.c (hash_scan_set): Likewise.
258 * jump.c (delete_noop_moves): Likewise.
259 * recog.c (split_all_insns): Likewise.
261 2001-04-04 Alan Modra <alan@linuxcare.com.au>
263 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
264 stack pointer via a LO_SUM. Ditto for setting a temp register
265 used to save to the stack. Set cfa_temp when setting fp, and
266 allow matches to cfa_temp in addition to cfa_store when saving
267 regs. Handle POST_INC and LO_SUM register stores. Document the
268 changes and errors in rule 12 doco.
270 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
271 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
272 (load_reg): Move closer to epilogue code.
273 (DO_FRAME_NOTES): Define to control the following..
274 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
275 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
277 (hppa_expand_epilogue): Likewise.
279 2001-04-03 Richard Henderson <rth@redhat.com>
281 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
282 * configure: Rebuild.
284 2001-04-03 Richard Henderson <rth@redhat.com>
286 * rtl.h (LCT_THROW): New.
287 * calls.c (emit_library_call_value_1): Handle it.
288 * except.c (connect_post_landing_pads): Use it.
290 2001-04-03 Zack Weinberg <zackw@stanford.edu>
292 * gansidecl.h: Delete file.
293 * configure.in: Change all refs to gansidecl.h to use
294 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
296 * configure: Regenerate.
298 * Makefile.in (intl.o): Don't depend on gansidecl.h.
299 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
300 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
301 Don't include gansidecl.h.
302 * intl.c, main.c, version.c, fixinc/fixlib.h,
303 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
306 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
308 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
311 2001-04-03 Zack Weinberg <zackw@stanford.edu>
313 * config/i386/xm-beos.h, config/i386/xm-isc.h,
314 config/i386/xm-next.h, config/i386/xm-sco.h,
315 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
316 config/m88k/xm-m88k.h: Delete.
318 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
319 * config/romp/xm-romp.h: Don't define bcopy.
320 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
321 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
323 * config.gcc: Remove references to deleted files.
325 14 xm-host.h remain, 1 xm-cpu.h.
327 2001-04-03 Jakub Jelinek <jakub@redhat.com>
328 David S. Miller <davem@pierdol.cobaltmicro.com>
329 Andrew MacLeod <amacleod@redhat.com>
331 Use byte offsets in SUBREGs instead of words.
333 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
334 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
335 to pass new argument.
336 (add_stored_regs): Use subreg_regno_offset function.
337 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
339 (precompute_arguments): Use gen_lowpart_SUBREG.
340 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
341 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
342 (simplify_set): Rework to use SUBREG_BYTE.
343 (expand_field_assignment): Use SUBREG_BYTE.
344 (make_extraction): Use SUBREG_BYTE.
345 (if_then_else_cond): Use SUBREG_BYTE.
346 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
347 (gen_lowpart_for_combine): Compute full byte offset.
348 * cse.c (mention_regs): Use SUBREG_BYTE.
349 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
350 (canon_hash): Use SUBREG_BYTE.
351 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
352 (gen_lowpart_if_possible): Formatting.
353 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
355 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
356 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
357 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
358 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
359 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
360 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
361 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
362 certain invariants about SUBREGs the compiler creates.
363 (gen_lowpart_SUBREG): New function.
364 (subreg_hard_regno): New function to get the final register number.
365 (gen_lowpart_common): Use SUBREG_BYTE.
366 (gen_imagpart): Spacing nits.
367 (subreg_realpart_p): Use SUBREG_BYTE.
368 (gen_highpart): Use SUBREG_BYTE.
369 (subreg_lowpart_p): Always compute endian corrected goal offset,
370 even at the byte level, then compare against that.
371 (constant_subword): New function, pulled out all constant cases
372 from operand_subword and changed second argument name to offset.
373 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
374 and call constant_subword to do the work. Return const0_rtx if
375 looking for a word outside of OP.
376 (operand_subword_force): Change second arg name to offset.
377 * expmed.c (store_bit_field): Use SUBREG_BYTE.
378 (store_split_bit_field): Use SUBREG_BYTE.
379 (extract_bit_field): Use SUBREG_BYTE.
380 (extract_split_bit_field): Use SUBREG_BYTE.
381 (expand_shift): Use SUBREG_BYTE.
382 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
383 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
384 * flow.c (set_noop_p): Use SUBREG_BYTE.
385 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
386 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
387 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
389 (optimize_bit_field): Use SUBREG_BYTE.
390 (purge_addressof_1): Use SUBREG_BYTE.
391 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
392 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
393 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
394 * gengenrtl.c (special_rtx): Add SUBREG.
395 * global.c (mark_reg_store): Use SUBREG_BYTE.
396 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
397 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
398 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
399 final byte offset is congruent to subreg's mode size.
400 (subst_constants): Use SUBREG_BYTE.
401 (mark_stores): Use subreg_regno_offset function.
402 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
403 function and SUBREG_BYTE.
404 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
405 (reg_is_born): Use subreg_hard_regno.
406 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
407 endian correction code. Don't combine subregs unless resulting
408 offset aligns with type. Fix subreg constant extraction for DImode.
409 Simplify SUBREG of VOIDmode CONST_DOUBLE.
410 (general_operand): Remove dead mode_altering_drug code.
411 (indirect_operand): Use SUBREG_BYTE.
412 (constrain_operands): Use subreg_regno_offset function.
413 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
414 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
415 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
416 * regs.h (REG_SIZE): Allow target to override.
417 (REGMODE_NATURAL_SIZE): New macro which target can override.
418 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
419 on the entire subreg rtx.
420 (push_reload): Use SUBREG_BYTE in comments and code.
421 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
422 for hard registers inside subregs.
423 (operands_match_p): Use subreg_regno_offset.
424 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
425 containing hard regs.
426 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
427 corrections when fixing up MEM subregs.
428 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
429 subreg_regno_offset where appropriate.
430 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
431 byte endian corrections when fixing up MEM subregs.
432 (subst_reloads): When combining two subregs, make sure final
433 offset is congruent to subreg's mode size.
434 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
435 (refers_to_regno_for_reload_p): Use subreg_regno.
436 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
437 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
438 correction code for memory subreg fixups.
439 (forget_old_reload_1): Use subreg_regno_offset.
440 (choose_reload_regs): Use subreg_regno.
441 (emit_input_reload_insns): Use SUBREG_BYTE.
442 (reload_combine_note_store): Use subreg_regno_offset.
443 (move2add_note_store): Use subreg_regno_offset.
444 * resource.c (update_live_status, mark_referenced_resources): Use
445 subreg_regno function.
446 (mark_set_resources): Use subreg_regno function.
447 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
448 (subreg_regno_offset, subreg_regno): Define prototypes.
449 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
450 (gen_lowpart_SUBREG): Add prototype.
451 * rtl.texi (subreg): Update to reflect new byte offset representation.
452 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
453 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
454 (reg_overlap_mentioned_p): Use subreg_regno.
455 (replace_regs); Make sure final offset of combined subreg is
456 congruent to size of subreg's mode.
457 (subreg_regno_offset): New function.
458 (subreg_regno): New function.
459 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
460 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
461 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
462 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
463 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
464 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
465 (a29k_get_reloaded_address): Use SUBREG_BYTE.
466 (print_operand): Use SUBREG_BYTE.
467 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
468 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
469 (arm_reload_out_hi): Use SUBREG_BYTE.
470 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
471 instead of SUBREG_WORD.
472 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
473 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
474 SUBREG creation to use byte offset.
475 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
476 inverted load insns): Fix explicit rtl subregs to use byte
478 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
479 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
480 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
481 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
483 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
484 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
485 offsets, also make sure it is congruent to SUBREG's mode size.
486 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
487 unnamed ldob insn): Generate SUBREGs with byte offset.
488 (zero_extendqihi2): SUBREG's are byte offsets.
489 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
490 (m68hc11_gen_highpart): Use SUBREG_BYTE.
491 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
492 zero-extendqisi2): Generate SUBREGs with byte offset.
493 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
494 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
495 subregs in rtl to use byte offsets.
496 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
497 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
498 (mips_move_2words): Use subreg_regno_offset.
499 (mips_secondary_reload_class): Use subreg_regno_offset.
500 * config/mips/mips.md (DImode plus, minus, move, and logical op
501 splits): Fixup explicit subregs in rtl to use byte offsets.
502 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
503 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
504 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
505 rtl to use byte offsets.
506 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
507 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
508 subregs to use byte offsets.
509 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
510 Fixup explicit subregs in rtl to use byte offsets.
511 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
512 and remove byte endian correction code.
513 * config/sh/sh.c (output_movedouble): Use subreg_regno.
514 (gen_ashift_hi): Use SUBREG_BYTE.
515 (regs_used): Use subreg_regno_offset.
516 (machine_dependent_reorg): Use subreg_regno_offset.
517 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
518 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
519 (movdf_i4): Subregs are byte offsets now.
520 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
521 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
522 (REGMODE_NATURAL_SIZE): Override.
523 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
524 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
526 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
527 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
528 extendqidi2): Generate SUBREGs with byte offsets, also make sure
529 it is congruent to SUBREG's mode size.
530 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
532 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
533 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
534 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
535 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
536 * config/v850/v850.c (print_operand, output_move_double): Use
537 subreg_regno function.
539 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
541 * configure.in (target_subdir): Use target_alias, not target.
542 * configure: Rebuilt.
544 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
546 * config/sh/crti.asm: Fix typos in comments.
548 2001-04-03 Alan Modra <alan@linuxcare.com.au>
550 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
551 TARGET_FAST_INDIRECT_CALLS.
552 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
554 (return_addr_rtx): Short circuit export stub matching when
555 TARGET_NO_SPACE_REGS.
556 (output_millicode_call): For out of range calls, make -fPIC
557 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
558 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
559 * pa.md: Modify length attr calculation of all millicode insns to
562 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
564 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
565 Require at least 2.11 in the version test. Specifically check
566 for and reject GAS version 2.10.90.
567 * configure: regenerate.
569 2001-04-03 Alan Modra <alan@linuxcare.com.au>
571 * pa.c (override_options): Remove PIC profiling warning.
572 (hp_profile_labelno): Delete.
573 (hp_profile_label_rtx): Delete.
574 (hp_profile_label_name): Delete.
575 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
576 (output_function_prologue): Remove profiling code and all tests on
577 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
578 merge_sp_adjust_with_store can work for PIC and profiling.
579 (hppa_expand_epilogue): Remove profile_flag test.
580 (hppa_can_use_return_insn_p): Likewise.
581 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
582 cater for PROFILE_HOOK.
583 (hppa_profile_hook): New function.
584 * pa.h (FUNCTION_PROFILER): Now does nothing.
585 (PROFILE_HOOK): Define.
586 (hppa_profile_hook): Declare.
587 (PROFILE_BEFORE_PROLOGUE): Delete.
588 (ASM_OUTPUT_REG_PUSH): Delete.
589 (ASM_OUTPUT_REG_POP): Delete.
590 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
591 r24. Accept function name operand, and use this and a locally
592 generated label to calculate pc-rel offset to func start.
594 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
596 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
597 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
600 2001-04-03 Alan Modra <alan@linuxcare.com.au>
602 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
603 LO_SUM cases to where they belong.
605 2001-04-02 Richard Henderson <rth@redhat.com>
607 * except.h (lang_eh_type_covers): Mark extern.
608 (lang_eh_runtime_type): Likewise.
610 2001-04-02 Zack Weinberg <zackw@stanford.edu>
612 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
613 gengenrtl.c: Wrap generated header in multiple-include guard.
614 Improve error checking.
616 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
618 * configure.in: Don't check for putenv.
619 * configure: Regenerate.
620 * gcc.c (putenv): Don't define.
621 * vax/xm-vms.h: Handle putenv.
623 2001-04-02 Jakub Jelinek <jakub@redhat.com>
625 * ifcvt.c (noce_emit_move_insn): New.
626 (noce_try_store_flag, noce_try_store_flag_constants,
627 noce_try_store_flag_inc, noce_try_store_flag_mask,
628 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
629 noce_try_abs): Use it.
630 (noce_process_if_block): Likewise.
631 For STRICT_LOW_PART, take mode from its SUBREG.
633 2001-04-02 Jakub Jelinek <jakub@redhat.com>
635 * fold-const.c (fold): Before optimizing unsigned comparison with
636 0x7fffffffU, make sure arg0 is integral type.
638 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
640 * c-tree.texi: Document representation of wide strings.
642 2001-04-01 Richard Henderson <rth@redhat.com>
644 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
646 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
648 * i386.md: remove obsoleted comments.
649 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
650 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
653 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
655 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
657 2001-03-30 Bernd Schmidt <bernds@redhat.com>
659 * loop.c (load_mems): When generating a load from a pseudo, update
662 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
664 * i386.c (ix86_split_long_move): Use change address to compensate
665 stack pointer change in push instruction.
667 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
669 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
670 instead of rtx_equal_p; fix the output template.
672 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
674 * i386.c (ix86_expand_setcc): Support 64bit.
675 (ix86_expand_int_movcc): Likewise.
676 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
679 * i386.md (allocate_stack_worker): Turn to expander.
680 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
682 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
684 2001-03-29 Richard Henderson <rth@redhat.com>
686 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
688 2001-03-28 Matthew Hiller <hiller@redhat.com>
690 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
693 * MAINTAINERS: Added self.
695 2001-03-28 Richard Henderson <rth@redhat.com>
697 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
698 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
700 2001-03-28 Jim Wilson <wilson@redhat.com>
702 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
705 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
707 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
709 * tradcif.y (yyerror): Likewise. Add format specifier in call to
712 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
714 2001-03-28 DJ Delorie <dj@redhat.com>
716 * Makefile.in (stage1_build): Revert CFLAGS patch.
718 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
720 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
721 when multiplier or multiplicand is zero.
723 2001-03-28 Bernd Schmidt <bernds@redhat.com>
725 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
727 * config/ia64/ia64.c (update_set_flags): New function, broken out of
729 (set_src_needs_barrier): Likewise.
730 (rtx_needs_barrier): For SET case, use these two functions. Rework
731 PARALLEL case to handle all inputs before all outputs.
732 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
733 saw a label and no stop bit since then.
734 (maybe_rotate, process_epilogue): Add prototypes.
736 2001-03-28 Richard Henderson <rth@redhat.com>
738 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
739 not TARGET_TOC for special toc restore handling.
740 * config/rs6000/rs6000.md (eh_return): Likewise.
742 2001-03-28 Richard Henderson <rth@redhat.com>
744 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
745 current_function_calls_eh_return.
746 (output_function_epilogue): Handle eh_return.
747 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
748 (EH_RETURN_DATA_REGNO): New.
749 (EH_RETURN_STACKADJ_RTX): New.
750 (EH_RETURN_HANDLER_RTX): New.
751 * config/sparc/sparc.md (call/short branch peepholes): Check
752 can_throw_internal instead of in_same_eh_region.
754 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
755 for eh_return data registers.
756 (rs6000_emit_prologue): Save eh_return data registers.
757 (rs6000_emit_epilogue): Force inline restores if eh_return.
758 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
759 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
760 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
761 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
763 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
764 (return_eh_si, return_eh_di): Remove.
765 (eh_return): New, from corpse of eh_epilogue.
766 (eh_set_lr_si, eh_set_lr_di): New.
768 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
769 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
770 True for pic register if current_function_calls_eh_return.
771 (ix86_expand_epilogue): Change "emit_return" argument into "style".
772 Handle eh_return requirements.
773 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
774 (EH_RETURN_STACKADJ_RTX): New.
775 * config/i386/i386.md (exception_receiver): Remove.
776 (eh_return, eh_return_1): New.
777 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
779 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
780 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
781 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
782 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
783 (EH_RETURN_DATA_REGNO): New.
784 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
785 * config/alpha/alpha.md (eh_epilogue): Remove.
786 (exception_receiver): Use $26 for ldgp input.
787 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
789 2001-03-28 Richard Henderson <rth@redhat.com>
791 * except.c: Rewrite entirely for IA-64 ABI exception handling.
792 * except.h: Likewise.
794 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
796 (LIB2FUNCS_EH): Remove.
797 (LIB2ADD): Remove LIB2ADDEH.
798 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
799 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
800 (crt{begin,end}[S].o): Likewise.
801 (except.o): Update includes.
802 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
803 (libgcc2_c_dep): Use LIB2ADDEHDEP.
805 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
806 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
807 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
808 * builtins.c (expand_builtin): Implement it.
809 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
810 * c-common.c (c_common_nodes_and_builtins): Declare it.
811 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
812 * calls.c (libfunc_nothrow): Remove.
813 (emit_library_call_value_1): Don't call it.
814 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
815 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
816 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
817 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
818 (current_funcdef_number): Globalize.
819 (output_call_frame_info): Emit frame data if an lsda is needed.
820 Generate augmentation for personality routine. Don't play with
822 (dwarf2out_begin_prologue): Record funcdef_number.
823 * dwarf2out.h (current_funcdef_number): Declare.
824 * expr.c (expand_expr): Update for except.h name changes.
825 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
826 * expr.h (LTI_throw, LTI_rethrow): Remove.
827 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
828 (LTI_eh_rtime_match): Remove.
829 (LTI_unwind_resume, LTI_eh_personality): Add.
830 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
831 * final.c (final): Don't call check_exception_handler_labels,
832 init_insn_eh_region, or free_insn_eh_region.
833 (final_scan_insn): Always emit debug labels for
834 NOTE_INSN_EH_REGION notes.
835 * flags.h (flag_new_exceptions): Remove.
836 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
837 (record_active_eh_regions): Remove.
838 (count_basic_blocks): Check all instructions for REG_EH_REGION.
839 Use can_throw_internal.
840 (find_basic_blocks_1): Likewise.
841 (move_stray_eh_region_notes): Remove.
842 (find_label_refs): No eh_return_stub_label.
843 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
844 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
846 (delete_unreachable_blocks): Don't track deleted handlers.
847 (flow_delete_block): Use maybe_remove_eh_handler.
848 (delete_eh_regions): Remove.
849 (merge_blocks): Don't check for eh region match.
850 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
851 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
852 (init_propagate_block_info): Disable dead frame store optimization
853 when current_function_calls_eh_return.
854 (dump_bb): Don't print eh_beg, eh_end.
855 * function.c (fixup_var_refs): No catch_clauses.
856 (expand_function_end): Likewise. Call expand_eh_return before
857 the return register use. Call sjlj_emit_function_exit_after.
858 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
859 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
860 * ifcvt.c (dead_or_predicable): Remove eh region check.
861 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
862 Don't check for EH vs parameters.
863 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
864 (expand_inline_function): Call duplicate_eh_regions.
865 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
866 (copy_insn_notes): Remap REG_EH_REGION notes.
867 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
868 * integrate.h (struct inline_remap): Add local_return_label.
869 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
870 check_exception_handler_labels, nor exception_optimize.
871 (find_cross_jump): No EH region check.
872 * optabs.c (init_optabs): Update for changed eh libfuncs.
873 * rtl.def (RESX): New.
874 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
875 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
876 checks. Update for except.h name changes.
877 (expand_cleanups): Likewise.
878 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
879 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
880 (compile_file): Call init_eh before init_optabs. Don't
881 output_exception_table here.
882 (rest_of_compilation): Call convert_from_eh_region_ranges,
883 convert_to_eh_region_ranges, output_function_exception_table.
884 Don't emit_eh_context.
885 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
888 * md.texi (eh_epilogue): Remove.
889 (eh_return): Document.
890 * tm.texi (EH_RETURN_DATA_REGNO): Document.
891 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
893 * eh-common.h: Remove file.
894 * frame-dwarf2.c, frame.c, frame.h: Remove files.
895 * libgcc2.c (L_eh): Remove.
897 * unwind-dw2-fde.c: New file, largely copied from frame.c.
898 * unwind-dw2-fde.h: New file.
899 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
900 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
901 * libgcc-std.ver: Update for eh symbols.
903 2001-03-27 Richard Henderson <rth@redhat.com>
905 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
906 reduce false positives.
907 (regmove_optimize): Disable if flag_non_call_exceptions.
909 * stmt.c (expand_return): Remove always true predicate.
910 (expand_decl_cleanup_no_eh): Remove dead code.
912 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
913 barrier code. Add a scheduling barrier if a non-call insn
914 can throw internally.
916 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
917 Auto-inc addresses trap only if their base register does.
919 * except.c (can_throw_internal): Rename from can_throw.
920 * except.h, resource.c: Update references.
922 * integrate.c (copy_insn_list): Use returnjump_p.
923 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
925 * function.h (struct function): Move all boolean valued fields
926 to single bit fields at the end of the struct.
928 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
930 Rename asynchronous_exceptions to flag_non_call_exceptions.
932 * gthr-single.h (UNUSED): New. Distinguish between how C
933 and C++ mark unused function arguments. Use throughout.
935 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
936 value to target configuration header.
937 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
938 * config.in, configure: Rebuild.
939 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
940 configuration and target defines.
941 (exceptions_via_longjmp): Remove.
942 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
943 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
945 * except.h (flag_non_call_exceptions): Move ...
948 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
949 exceptions, put the note on the trapping instruction.
951 * flags.h (flag_new_exceptions): Remove.
952 * toplev.c: Don't set it.
953 * final.c: Don't check it.
954 * except.c: Provide stub definition.
956 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
957 (calculate_global_regs_live): Kill call-clobbered registers
958 across exception edges.
959 * reg-stack.c (convert_regs_1): Kill the entire target stack
960 across non-call exception edges.
962 * flow.c (cleanup_cfg): Take no argument.
963 * output.h, sibcall.c, toplev.c: Update all calls.
965 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
967 * configure.in: Don't check for bcopy.
968 * configure, config.in: Regenerate.
970 * system.h: Don't define or prototype bcopy, instead poison it.
972 2001-03-27 Richard Henderson <rth@redhat.com>
974 * function.c (expand_function_start): Set DECL_REGISTER on
975 a pseudo used for DECL_RESULT.
977 * rtl.h (LCT_NORETURN): New.
978 * calls.c (emit_library_call_value_1): Handle it.
980 2001-03-27 Stan Shebs <shebs@apple.com>
982 * objc/objc-act.c (objc_init): Use dump_base_name.
983 (gen_declaration): Clear the buffer arg.
984 (gen_declaration_1): New function, body of gen_declaration.
985 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
986 (gen_method_decl): Ditto, plus always clear buffer arg.
987 (error_with_ivar): Simplify.
988 (warn_with_method): Ditto.
989 (build_message_expr): Don't clear buffers.
990 (dump_interface): Ditto.
992 (build_keyword_selector): Clear the buffer by only zeroing
994 (objc_implementation_context): Declare.
995 (start_class): Warn about missing @end.
996 (finish_objc): Ditto.
998 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1000 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1002 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * Makefile.in (SYSTEM_H): Define.
1005 Depend on $(SYSTEM_H), not system.h.
1007 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1009 2001-03-27 Jim Wilson <wilson@redhat.com>
1011 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1013 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1014 (process_epilogue): New static function.
1015 (process_set): Call process_epilogue instead of emitting .restore
1017 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1019 * flow.c (struct reg_cond_life_info): New fields orig_condition
1021 (init_propagate_block_info): Set new fields.
1022 (mark_regno_cond_dead): Set and use new fields.
1023 (flush_reg_cond_reg_1): Likewise.
1024 (and_reg_cond, case AND): Check for redundant AND conditions.
1025 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1028 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1030 * cppmacro.c (stringify_arg): Null terminate strings.
1032 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1034 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1035 inclusion style. xm-m68hc11.h no longer exists.
1036 * config/m68hc11/xm-m68hc11.h: Delete file.
1037 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1039 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1040 Don't define GCC_VERSION, N_, or PARAMS; don't include
1041 gansidecl.h or stdio.h. Define inhibit_libc here.
1042 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1043 Delete code conditioned on #if GCC_VERSION == 2095.
1045 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1046 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1047 Delete code conditioned on #if GCC_VERSION == 2095.
1049 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1051 * system.h: Include symcat.h.
1052 (STRINGIFY): Don't define.
1054 * configure.in: Adjust comment.
1056 * builtins.c: Use STRINGX, not STRINGIFY.
1057 * gencheck.c: Likewise.
1058 * gengenrtl.c: Likewise.
1059 * protoize.c: Likewise.
1061 * cpplex.c: Don't include symcat.h.
1062 * cpplib.c: Likewise.
1064 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1066 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1068 * c-typeck.c (digest_init): Fold init expression.
1070 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1072 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1074 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1076 * except.c (eh_regs): Save results of build_pointer_type to a temp
1077 as FUNCTION_VALUE macro may evaluate its args multiple times.
1079 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1081 * c-common.h (DECL_NUM_STMTS): New macro.
1082 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1084 (pushdecl): Likewise.
1085 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1086 * integrate.c (expand_inline_function): Don't check
1088 * print-tree.c (print_node): Don't print it.
1089 * toplev.c (rest_of_compilation): Don't try to inline when
1090 flag_no_inline is on.
1091 * tree.h (DECL_FRAME_SIZE): Remove.
1092 (tree_decl): Adjust accordingly.
1094 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1096 * combine.c (try_combine): Use memcpy, not bcopy.
1098 * genattrtab.c (expand_units): Likewise.
1100 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1102 * i386.md (push mem DI peep2): New.
1103 (mov 0, mov -1 peep2): Handle 64bit.
1104 (lea to arithmetics peep2): Handle 64bit leas.
1105 (rsp arithmetics to push/pop peep2s): New.
1107 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1109 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1111 * i386.c (struct machine_function): Add save_varrargs_registers.
1112 (ix86_save_varrargs_registers): New macro.
1113 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1114 (ix86_expand_prologue): Likewise.
1115 (ix86_emit_epilogue_esp_adjustement): Likewise.
1116 (ix86_expand_epilogue): Likewise.
1117 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1118 (pro_epilogue_adjust_stack_1): New insn.
1119 (pro_epilogue_adjust_stack_rex64): Likewise.
1120 * i386.h (MASK_NO_RED_ZONE): New constant.
1121 (TARGET_RED_ZONE): New macro.
1122 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1123 (RED_ZONE_SIZE): New constant.
1124 (RED_ZONE_RESERVE): New constant.
1126 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1128 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1130 2001-03-25 Kazu Hirata <kazu@hxi.com>
1132 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1135 (umodhi3): Likewise.
1138 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1140 * mkconfig.sh (DEFINES): Handle entries with '='.
1142 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1143 Set xm_defines to MACRO=value instead.
1145 * i370/xm-mvs.h: Delete.
1147 * ns32k/xm-pc532-min.h: Likewise.
1149 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1151 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1153 use ix86_expand_binary_operator
1154 (?sh??i_?): Disable for 64bit.
1155 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1156 * i386.c (shiftdi_operand): New predicate.
1158 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1159 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1160 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1161 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1162 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1163 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1164 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1165 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1166 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1167 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1168 (rotldi3, rotrdi3): New expanders.
1170 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1172 * i386.md (movstrsi): Move offline.
1174 (strmovdi_rex64): New.
1175 (strmov?i): Accept 64bit.
1176 (strmov?i_rex64): New.
1177 (strmov?i_rex_1): New.
1178 (strmov?i_1): Disable for 64bit.
1179 (rep_mov?i_rex64): New.
1180 (rep_mov?i): Disable for 64bit.
1181 (clrstrsi): Move offline.
1182 (strset?i_rex64): New.
1183 (strset?i: Accept 64bit.
1184 (rep_stos?i): Disable for 64bit.
1185 (rep_stos?i_rex64): New.
1186 (strset?i_rex_1): New.
1187 (strset?i_1): Disable for 64bit.
1188 (cmpstrsi): Accept 64bit.
1189 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1190 (cmpstrqi_nz_rex_1): New.
1191 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1192 (strlensi): Move offline.
1194 (strlenqi_1): Disable for 64bit; fix constraints.
1195 (strlenqi_rex_1): New.
1196 * i386.c (ix86_adjust_counter): New static function.
1197 (ix86_zero_extend_to_Pmode): Likewise.
1198 (ix86_expand_aligntest): Likweise.
1199 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1200 (ix86_expand_movstr): New global function.
1201 (ix86_expand_clrstr): New global function.
1202 (ix86_expand_strlen): New global function.
1203 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1204 ix86_expand_strlen): Declare.
1205 (ix86_expand_strlensi_unroll_1): Delete.
1207 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1209 * i386.md (cmpdi): Fix operand predicates.
1210 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1211 cmpdi_1_insn_rex64): New patterns.
1212 (adddi3): Turn to expander.
1213 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1214 (addsi3_carry_zext): New pattern.
1215 (adddi_?_rex64): New patterns and splitters.
1216 (addsi_?_zext): New patterns.
1217 (subsi3_carry_zext): New pattern.
1218 (subdi_?_rex64): New patterns and splitters.
1219 (iorsi_?_zext): New patterns.
1220 (iordi_?_rex64): New patterns and splitters.
1221 (iorsi_?_zext): New patterns.
1222 (iorsi_?_zext_imm): New patterns.
1223 (xorsi_?_zext): New patterns.
1224 (xordi_?_rex64): New patterns and splitters.
1225 (xorsi_?_zext): New patterns.
1226 (negdi*): New patterns.
1227 (one_cmpldi*): Likewise.
1228 (one_cmplsi*_zext, negsi*_zext): Likewise.
1229 (testqi_ext_3_rex64): New pattern.
1231 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1233 * i386-protos.h (ix86_split_long_move): Return void.
1234 * i386.c (ix86_split_to_parts): Handle 64bit target.
1235 (ix86_split_long_move): Likewise.
1236 * i386.md (all calls to ix86_split_long_move): Update.
1238 2001-03-23 Richard Henderson <rth@redhat.com>
1240 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1241 to avoid shadowing arguments.
1243 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1245 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1246 to variable names where DECL_NAME is different from
1247 DECL_ASSEMBLER_NAME.
1249 2001-03-23 Jim Wilson <wilson@redhat.com>
1251 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1252 (assemble_alias): Call make_decl_rtl.
1254 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1256 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1258 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1260 * extend.texi: Document the "java_interface" attribute.
1262 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1264 * mkconfig.sh: Use a subshell with redirected stdout,
1265 instead of closing stdout and confusing commands that run
1266 afterward. Throw away output of cmp.
1268 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1270 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1272 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1274 * i386.md (zero_extendsidi2_32): Break out from ...
1275 (zero_extendsidi2): ... here ; turn to expander.
1276 (zero_extendsidi2_rex64): New.
1277 (extendsidi2_32): Break out from ...
1278 (extendsidi2): ... here ; turn to expander.
1279 (extendsidi2_rex64): New.
1280 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1281 (trunc?f?f splitters): Add 64bit versions.
1283 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1285 * i386.md (pushsi, pushsi2_prologue): Disable.
1286 (pushsi2_rex64): New.
1287 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1288 (movqi_ext_1): Disable for 64bit.
1289 (movqi_ext_1_rex64): New.
1290 (pushdi2_rex64): New pattern, peep2s and splitter.
1291 (pushdi2_prologue_rex64): New pattern.
1292 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1294 (movdi splitters): Disable for 64bit.
1295 (movdi_1_rex64): New pattern, peep2s and splitters.
1296 (swapdi): New pattern.
1297 (pushsf): Disable for 64bit.
1298 (pushsf_rex64): New pattern and splitter.
1299 (pushdf_nointeger): Disable for 64bit.
1300 (pushdf_integer): Handle the 64bit case.
1301 (pushtf): Likewise; update splitters.
1303 2001-03-22 Richard Henderson <rth@redhat.com>
1305 * mkconfig.sh: Include insn-flags.h.
1306 * Makefile.in (CONFIG_H): Include insn-flags.h.
1307 (lots of objects): Remove insn-codes.h and insn-flags.h.
1309 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1310 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1311 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1312 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1313 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1314 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1315 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1316 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1317 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1318 v850/v850.c, vax/vax.c:
1319 Don't include insn-flags.h.
1321 * diagnostic.c, expr.h, reload.c, toplev.c:
1322 Don't include insn-codes.h.
1324 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1325 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1326 c4x/c4x.c, i960/i960.c, mips/mips.c:
1327 Don't include insn-codes.h or insn-flags.h.
1329 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1330 or insn-flags.h in the generated code.
1331 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1332 (main): Forward declare struct rtx_def.
1334 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1336 * invoke.texi (-ffast-math): Remove duplicate line about
1339 * gcc.texi: Remove more obsolete documentation of bugs and
1340 installation problems.
1342 2001-03-21 Kazu Hirata <kazu@hxi.com>
1344 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1347 2001-03-20 Jason Merrill <jason@redhat.com>
1349 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1351 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1352 * varasm.c (CHKR_PREFIX): Likewise.
1354 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1356 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1357 is part of a multi-SET insn.
1359 * cse.c (find_comparison_args): Remove previous change.
1360 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1363 * config/i386/i386.md (conditional_trap): Remove warning.
1365 * recog.c (push_operand): Fix error in last change that caused
1366 undefined symbol on many targets.
1368 * sdbout.c: #include ggc.h.
1369 (sdbout_init): Move to end of file.
1370 Call ggc_add_tree_root for anonymous_types.
1371 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1372 (sdbout_one_type): Use DECL_NAME for field name.
1373 * Makefile.in (sdbout.o): Show includes ggc.h.
1375 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1377 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1378 (override_options): Use properlimits for preferred_stack_boundary.
1379 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1381 (ext_register_operand): Accept DImode.
1382 (load_pic_register): Abort on 64bit.
1383 (gen_push): Use Pmode instead of SImode.
1384 (ix86_save_reg): Pic reg is never used on 64bit.
1385 (ix86_expand_prologue): Likewise.
1386 (ix86_emit_save_regs): Use Pmode instead of SImode.
1387 (legitimate_address_p): Check displacement for 64bit.
1388 (print_operand): Avoid outputting of (%rip) on 64bit.
1389 (print_operand_address): Output (%rip) where possible.
1390 (split_di): Abort on 64bit registers.
1391 (ix86_expand_branch): DImode comparison is simple for x86_64.
1392 (memory_address_length): Recognize memory addresses formed using
1394 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1396 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1398 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1400 * recog.c (push_operand): Recognize new format of push instructions.
1402 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1404 * i386.md (pushqi1): New.
1405 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1406 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1407 x86_64_immediate_operand, x86_64_immediate_operand,
1408 x86_64_zext_immediate_operand): Declare.
1409 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1410 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1411 x86_64_immediate_operand, x86_64_immediate_operand,
1412 x86_64_zext_immediate_operand): define.
1413 * i386.h (PREDICATE_CODES): Add new predicates.
1415 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1417 * i386.md (pophi1, popqi1, pushqi1): Remove.
1419 * expr.c (emit_single_push_insn): New function.
1420 (move_by_pieces): Accept NULL as destination for push instructions.
1421 (gen_push_operand): Kill.
1422 (emit_push_insn): Pass NULL when pushing; avoid updating of
1423 stack_pointer_delta.
1424 * expr.h (gen_push_operand): Kill.
1426 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1428 * rtl.texi (COMPARE): Clarify documentation and reference section
1431 2001-03-20 Stan Shebs <shebs@apple.com>
1433 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1434 (get_object_reference): Ditto.
1435 (error_with_ivar): Use error_with_file_and_line.
1436 (warn_with_method): Use warning_with_file_and_line.
1438 2001-03-20 Tom Tromey <tromey@redhat.com>
1440 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1442 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1444 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1445 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1447 2001-03-20 DJ Delorie <dj@redhat.com>
1449 * Makefile.in (install-libgcc): Pass complete list of variables.
1450 (install-multilib): Ditto.
1452 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1454 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1455 drectve_section, switch_to_section.
1457 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1458 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1459 i386_pe_mark_dllimport.
1461 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1463 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1464 functions i386_pe_*.
1466 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1467 i386_pe_* functions with char * arguments.
1469 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1471 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1473 (movsi_ie): Introduce fpul store.
1475 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1477 * Makefile.in (OBJS): Remove hashtab.o.
1479 2001-03-19 Stan Shebs <shebs@apple.com>
1481 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1482 * c-lang.c (maybe_objc_method_name): Ditto.
1483 * c-tree.h (maybe_objc_method_name): Remove decl.
1485 2001-03-19 Tom Tromey <tromey@redhat.com>
1487 * gcc.c (init_gcc_specs): Fix comment.
1489 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1491 Compute DECL_ASSEMBLER_NAME lazily.
1492 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1493 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1494 (SET_DECL_ASSEMBLER_NAME): Likewise.
1495 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1496 (set_decl_assembler_name): Declare.
1497 (lang_set_decl_assembler_name): Likewise.
1498 * tree.c (lang_set_decl_assembler_name): New variab.e
1499 (set_decl_assembler_name): New function.
1500 (init_obstacks): Set lang_set_decl_assembler_name.
1501 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1502 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1503 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1504 where it's not necessary.
1505 (builtin_function): Likewise.
1506 (finish_decl): Likewise.
1507 * dbxout.c (dbxout_type_methods): Likewise.
1508 * ggc-common.c (ggc_mark_trees): Likewise.
1509 * profile.c (output_func_start_profiler): Likewise.
1510 * varasm.c (make_decl_rtl): Likewise.
1512 * cse.c (find_comparison_args): Update documentation. Fix
1513 mishandling of COMPARE operations.
1515 * tree.def (ABS_EXPR): Add documentation.
1516 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1518 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1520 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1522 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1524 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1525 Remove ia32 linux PIC kludge and move it...
1526 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1528 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1530 * i386.md (absdf2 expander): Fix 64bit case.
1532 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1534 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1536 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1538 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1540 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1542 * README.X11: Remove obsolete file.
1544 2001-03-18 Anthony Green <green@redhat.com>
1546 * config/pj/pj.h: Remove some trailing commas.
1547 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1549 2001-03-18 Richard Henderson <rth@redhat.com>
1551 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1552 * calls.c: ... here.
1553 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1554 defaults for them here.
1556 2001-03-17 Anthony Green <green@redhat.com>
1558 * config/pj/lib1funcs.S: Fix broken comment.
1559 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1562 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1564 * gcc.texi: Remove obsolete information relating to build and
1565 installation problems with enquire or the Pyramid C compiler.
1567 2001-03-17 Richard Henderson <rth@redhat.com>
1569 * dwarf2out.c (queue_reg_save): New.
1570 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1571 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1573 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1574 (cfa, cfa_store, cfa_temp): Make static.
1575 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1577 2001-03-17 Richard Henderson <rth@redhat.com>
1579 * integrate.h (struct inline_remap): Add local_return_label.
1580 * integrate.c (expand_inline_function): Initialize it and emit
1581 it after copy_insn_notes.
1582 (copy_insn_list): Don't store local_return_label here.
1583 (copy_insn_notes): New function split out from copy_insn_list.
1585 2001-03-17 Richard Henderson <rth@redhat.com>
1587 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1588 is generating .debug_line.
1589 (dwarf2out_init): Add main_input_filename to the file table first.
1590 * configure.in (as_dwarf2_debug_line): Test with file number 1
1591 instead of file number 0.
1593 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1595 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1596 (gen_rtx_combine): Deleted; all references changed as appropriate.
1597 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1599 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1601 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1603 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1606 2001-03-16 Jim Wilson <wilson@redhat.com>
1608 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1609 then set it to LOC_REG (79) instead of aborting.
1611 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1613 * gccbug.in: Remove high priority.
1615 2001-03-16 Richard Henerson <rth@redhat.com>
1617 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1618 output with a space instead of deleting it.
1619 * configure: Regenerate.
1621 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1623 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1624 handles the gory details of converting an object file into
1625 something that's safe to grep.
1626 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1627 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1628 newlines at either end of the string we're looking for.
1629 Make 'checking ...' message less stilted.
1630 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1631 ARM in-memory layout and its hypothetical converse. Don't
1632 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1633 HOST_WORDS_BIG_ENDIAN.
1635 * configure.in: Adjust for renamed macro. Move
1636 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1637 * configure, config.in: Regenerate.
1639 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1641 * fixinc/Makefile.in: Set SHELL.
1643 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1645 * fixinc/fixincl.c (fix_with_system): Quote file names before
1646 passing them to shell.
1648 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1650 * Makefile.in: Use fix-header$(build_exeext) instead
1653 2001-03-16 Richard Henderson <rth@redhat.com>
1655 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1656 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1657 (size_of_line_prolog): Remove.
1658 (output_line_info): Compute prologue size via label difference.
1659 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1661 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1662 assembler error when redefining file numbers.
1663 * config.in, configure: Rebuild.
1665 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1666 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1667 (dw2_asm_output_delta_uleb128): Likewise.
1668 (dw2_asm_output_delta_sleb128): Similarly.
1669 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1671 2001-03-16 Michael Meissner <meissner@redhat.com>
1673 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1675 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1677 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1679 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1680 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1681 being unsigned in ISO C and signed in traditional.
1682 (expand_prologue): Ditto.
1683 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1685 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1687 (divsi3,divdi3): Ditto.
1688 (modsi3,moddi3): Ditto.
1689 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1690 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1691 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1694 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1696 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1697 SSE based conditional moves on LTGT/UNEQ conditions;
1698 Canonicalize EQ to NE.
1699 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1700 (sse_mov?fcc_ne): New.
1702 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1704 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1706 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1707 register may be dead.
1709 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1711 * Makefile.in (hash.o): Depend on CONFIG_H.
1713 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1715 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1717 2001-03-15 Richard Henderson <rth@redhat.com>
1719 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1720 (ASM_OUTPUT_DWARF_PCREL): New.
1721 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1723 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1725 * cppfiles.c (stack_include_file): Use MAX of sysp.
1727 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1729 * config.gcc (ia64*-*-hpux*): New case.
1730 * config/ia64/hpux.h: New file for HP-UX support.
1731 * config/ia64/t-hpux: New file for HP-UX support.
1733 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1735 * fixinc/inclhack.def (irix_stdio_va_list): New.
1736 * fixinc/fixincl.x: Rebuilt.
1738 2001-03-15 Richard Henderson <rth@redhat.com>
1740 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1741 if provided by the target.
1742 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1743 (dw2_asm_output_addr): New.
1744 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1745 * dwarf2out.c (output_cfi): Use it for program addresses.
1746 (output_call_frame_info, output_die): Likewise.
1747 (output_aranges, output_line_info): Likewise.
1749 2001-03-15 Bruce Korb <bkorb@gnu.org>
1751 * gcc.c(main): make more rigorous
1752 * collect2.c(main): guard against ignoring SIGCHLD
1753 * protoize.c(main): ditto
1754 * gcc/fixinc/fixincl.c(initialize): ditto
1756 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1758 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1759 (sdbout_parms): Likewise.
1761 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1763 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1764 "widen" a destination that is already wider than a word. Also do
1765 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1767 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1769 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1771 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1773 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1775 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1777 * i960.h (i960_maxbitalignment,
1778 i960_last_maxbitalignment): Declare.
1779 * i960.c (i960_maxbitalignment,
1780 i960_last_maxbitalignment): Make global.
1781 (process_pragma): Delete.
1782 (i960_pr_align, i960_pr_noalign): Move from here ...
1783 * i960-c.c: ... to this new file.
1784 * t-960bare (i960-c.o): New rule.
1785 * t-vxworks960 (i960-c.o): Likewise.
1786 * config.gcc (i960-*-*): Define c_target_objs and
1789 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1791 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1792 without adding in rtx code and mode.
1794 * alias.c (init_alias_analysis): Don't use any rtx whose value
1795 varies as a known value.
1796 Delete a superfluous test.
1798 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1800 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1801 scheduling a stop bit.
1802 (ia64_emit_nops): Correctly handle ASMs.
1804 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1806 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1808 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1810 * cpp.texi: Update documentation for -include and -imacros.
1811 * cppfiles.c (struct include_file): Remove "defined" memeber.
1812 (find_or_create_entry): Make a copy of the file name, and
1814 (open_file): Update to ensure we use the simplified filename.
1815 (stack_include_file): Don't set search_from.
1816 (cpp_included): Don't simplify the path name here.
1817 (find_include_file): New prototype. Call search_from to
1818 get the start of the "" include chain. Don't simplify the
1820 (_cpp_execute_include): New prototype. Move diagnostics to
1821 do_include_common. Update.
1822 (_cpp_pop_file_buffer): Don't set defined.
1823 (search_from): New prototype. Use the preprocessor's cwd
1824 for files included from the command line.
1825 (read_name_map): Don't simplify the pathname here.
1826 * cpphash.h (enum include_type): New.
1827 (struct buffer): Delete search from. New search_cached.
1828 (_cpp_execute_include): Update prototype.
1829 * cppinit.c (do_includes): Use _cpp_execute_include.
1830 * cpplib.c (do_include_common): New function.
1831 (do_include, do_include_next, do_import): Use it.
1833 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1835 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1836 contents of the RTL, to determine the name of the object.
1838 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1840 * tree.h (DECL_RTL): Allocate RTL lazily.
1841 (SET_DECL_RTL): New macro.
1842 (DECL_RTL_SET_P): Likewise.
1843 (COPY_DECL_RTL): Likewise.
1844 (DECL_RTL_IF_SET): Likewise.
1845 * varasm.c (make_decl_rtl): Add assertions about the kind of
1846 declaration we are processing.
1847 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1848 (start_decl): Likewise.
1849 (finish_decl): Likewise.
1850 * c-semantics.c (emit_local_var): Likewise.
1851 * calls.c (expand_call): Likewise.
1852 * dbxout.c (dbxout_symbol): Likewise.
1853 * emit-rtl.c (unshare_all_rtl): Likewise.
1854 (unshare_all_decls): Likewise.
1855 (reset_used_decls): Likewise.
1856 * expr.c (store_constructor): Likewise.
1857 (safe_from_p): Likewise.
1858 (expand_expr): Likewise.
1859 * function.c (put_var_into_stack): Likewise.
1860 (instantiate_decls_1): Likewise.
1861 (assign_parms): Likewise.
1862 (expand_function_start): Likewise.
1863 (expand_function_end): Likewise.
1864 * ggc-common.c (gcc_mark_trees): Likewise.
1865 * integrate.c (function_cannot_inline_p): Likewise.
1866 (copy_decl_for_inlining): Likewise.
1867 (expand_inline_function): Likewise.
1868 (integrate_parm_decls): Likewise.
1869 (integrate_decl_tree): Likewise.
1870 * print-tree.c (print_node): Likewise.
1871 * reg-stack.c (stack_result): Likewise.
1872 * stmt.c (label_rtx): Likewise.
1873 (expand_return): Likewise.
1874 (expand_decl): Likewise.
1875 (expand_decl_cleanup): Likewise.
1876 (expand_anon_union_decl): Likewise.
1877 * toplev.c (check_global_declarations): Likewise.
1878 (rest_of_decl_compilation): Likewise.
1879 * tree.c (simple_cst_equal): Likewise.
1880 * objc/objc-act.c (generate_static_references): Likewise.
1882 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1884 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1885 gcc_AC_C_FLOAT_FORMAT): New macros.
1886 * configure.in: Add AC_PROG_CPP after CC tests;
1887 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1888 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1889 * configure, config.in: Regenerate.
1891 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1892 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1893 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1894 config/i370/xm-linux.h, config/i370/xm-oe.h,
1895 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1896 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1897 config/pa/xm-linux.h, config/pa/xm-pa.h,
1898 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1899 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1900 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1901 config/we32k/xm-we32k.h: Delete.
1903 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1904 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1905 config/vax/xm-vms.h: Don't define any of:
1906 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1908 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1910 * config.gcc: Remove references to deleted files.
1911 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1912 FATAL_EXIT_CODE, which is the same between oe and mvs).
1914 2001-03-14 DJ Delorie <dj@redhat.com>
1915 Vladimir Makarov <vmakarov@redhat.com>
1917 * config/i960/i960.c (i960_function_prologue): Compute size of
1918 frame according to number of registers actually saved there.
1920 2001-03-14 Richard Henderson <rth@redhat.com>
1922 * expr.c (emit_move_insn_1): Fix else if around #endif.
1924 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1927 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1930 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1932 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1933 (override_options): Parse cmodel string.
1934 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1935 * i386.h (TARGET_OPTIONS): Add "cmodel".
1936 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1938 (ix86_cmodel_string, ix86_cmodel): Declare.
1940 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1943 * i386.h (GENERAL_REG_P): Add missing REG_P.
1945 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1947 * configure.in: Use $gcc_cv_as instead of $as.
1948 * configure: Regenerated.
1950 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1952 * cppfiles.c (stack_include_file): Only increase the include
1953 count if we actually process the file properly, as opposed
1954 to treating it as length zero. Only call read_include_file
1955 if not DO_NOT_REREAD. Handle the -H include file output
1957 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1958 (cpp_included, find_include_file): Simplify pathnames after
1959 remapping them. If remapping, don't use the remapped file
1960 name's buffer as our scratch buffer.
1961 (cpp_pop_file_buffer): Replace the multiple include macro
1962 only if it isn't yet set.
1963 (read_name_map): Simplify remapped names when reading in.
1964 (remap_filename): Move code to code path that uses it.
1965 (_cpp_simplify_pathname): Return the input pointer.
1966 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1968 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1970 * expr.c (expand_expr): Revove bogus conditional.
1972 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1974 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1976 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1978 * reg-stack.c (stack_result): Unconditionally use
1979 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1981 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1983 * expr.c (emit_move_insn_1): Split push of complex value when
1984 no suitable push instruction exist.
1986 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1987 instead of QI_REG_P.
1989 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1991 * alias.c (handled_component_p, can_address_p): New functions.
1992 (get_alias_set): Use them.
1994 2001-03-13 Jim Wilson <wilson@redhat.com>
1996 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1997 from 80 in try_locals code.
1998 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2000 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2002 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2003 gcc_AC_C_LONG_LONG): New.
2004 * configure.in: Use them. Probe the size of short, int, long,
2005 and long long/__int64 if we have them. Move all the AC_C_*
2006 checks together, except gcc_AC_C_CHAR_BIT which has to go
2007 after AC_CHECK_HEADERS(limits.h).
2008 Take hwint.h out of host_xm_file and build_xm_file.
2010 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2011 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2012 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2013 Move the HOST_WIDEST_INT setup logic here from system.h.
2014 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2016 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2017 is now handled by hwint.h.
2019 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2020 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2021 config/ia64/xm-ia64.h: Don't define any of:
2022 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2023 HOST_BITS_PER_LONGLONG.
2025 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2026 config/h8300/xm-h8300.h, config/mips/iris6.h,
2027 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2028 config/sparc/xm-sp64.h: Delete.
2029 * config.gcc: Remove references to deleted files.
2031 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2032 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2033 * config/i370/xm-linux.h: Clarify floating-point situation in
2036 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2038 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2039 (find_include_file): Decide here which part of the include
2040 chain to start the search. Complain about an empty include
2041 chain in all cases apart from an abolsute file name.
2042 (_cpp_execute_include): Don't choose the search chain here.
2043 Don't call handle_missing_include in the case of an empty
2045 (_cpp_compare_file_date): Don't choose the search chain here.
2046 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2047 here from _cpp_execute_include. Behave like #include if
2048 we're in the main file.
2050 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2052 * system.h (malloc, realloc, calloc, strdup): Only poison these
2053 tokens when IN_GCC is defined.
2055 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2057 * i386.md (abs?f expander): Support SSE case.
2058 (abd?f_if): Add new "USE"; add splitters.
2060 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * cpp.texi (poison): Explain the macro expansion exception.
2064 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2066 * expr.c (store_expr): Add dont_store_target. If temp is already in
2067 target before copying to reg, don't store it into target again.
2069 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2071 * cppinternals.texi: Update for file handling.
2073 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2075 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2076 2001-02-24 which broke building the Java library.
2077 * function.c (identify_blocks): Likewise.
2078 (all_blocks): Likewise.
2079 * integrate.c (integrate_decl_tree): Likewise.
2080 * print-tree.c (print_node): Likewise.
2081 * tree.h (BLOCK_NUMBER): Likewise.
2082 (struct tree_block): Likewise.
2084 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2086 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2087 __WCHAR_TYPE__ definition.
2088 (WCHAR_TYPE_SIZE): #undef before #define.
2090 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2092 * cppfiles.c: Update comments.
2093 (destroy_include_file_node): Rename destroy_node.
2094 (find_or_create_entry): New function.
2095 (open_file, _cpp_fake_include): Use it.
2096 (handle_missing_header): New function, broken out of
2097 _cpp_execute include. Don't segfault if there is no
2098 system or quoted path.
2099 (_cpp_execute_include): Use handle_missing_header.
2101 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2103 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2104 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2106 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2108 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2109 unless anti_dependence says they are.
2110 * alias.c (objects_must_conflict): If neither has a type specified,
2113 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2114 David Billinghurst <David.Billinghurst@riotinto.com>
2116 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2118 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2120 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2121 (*_one_bit): Remove type on the match_operand in attributes.
2123 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2125 * i386.c: Commit forgotten hunk in previous patch.
2126 (regclass_map): Add extended registers.
2127 (dbx_register_map): Add missing frame register.
2129 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2131 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2133 * i386.md (x86_sahf_1): Disable for 64bit.
2134 (popsi*, pophi*): Likewise.
2135 (pushqi, pushhi): Likewise.
2136 (movdi, pushdi): Likewise.
2137 (zero extend DImode splitter): Likewise.
2138 (adddi, minusdi splitter): Likewise.
2139 (umulsidi): Likewise.
2141 (mulsidi): Disable for 64bit
2142 (lshift:DI/ashift:DI): Disable for 64bit.
2143 (loop patterns): Likewise.
2144 (call_pop, call_value_pop expanders and patterns): Likewise.
2145 (prologue_get_pc): Likewise.
2147 (fcmovDI pattern and splitter): Likewise.
2148 (movdfcc_1_rex64): New.
2150 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2152 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2153 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2154 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2155 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2156 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2157 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2158 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2159 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2160 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2161 (REGPARM_MAX): Set to 6 for x86_64.
2162 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2163 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2166 * (patterns that does use upper halves): Update constraints
2167 'q' to 'Q' and 'r' to 'R'.
2168 (cmpqi_ext_1): Disable for 64bit.
2169 (cmpqi_ext_3_insn): Likewise.
2170 (movqi_extzv_1): Likewsie.
2171 (addqi_ext_1): Liekwsie
2172 (testqi_ext_1): Liekwsie
2173 (andqi_ext_1): Liekwsie
2174 (xorqi_ext_1): Liekwsie
2175 (cmpqi_ext_1_rex64): New.
2176 (cmpqi_ext_3_insn_rex64): Likewise.
2177 (movqi_extzv_1_rex64): Likewsie.
2178 (addqi_ext_1_rex64): Liekwsie
2179 (testqi_ext_1_rex64): Liekwsie
2180 (andqi_ext_1_rex64): Liekwsie
2181 (xorqi_ext_1_rex64): Liekwsie
2183 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2185 * configure.in: Move check for unsigned enumerated bitfields
2186 to macro in aclocal.m4. Disable it for now.
2187 * configure, config.in: Regenerate.
2188 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2189 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2190 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2191 kind above its first use.
2193 * config/xm-interix.h, config/alpha/xm-alpha.h,
2194 config/i370/xm-linux.h, config/i386/xm-beos.h,
2195 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2196 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2197 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2198 Don't define ONLY_INT_FIELDS under any circumstances.
2200 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2202 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2203 config/sparc/xm-sysv4.h: Delete - now identical with some
2205 * config.gcc (hppa targets): Replace xm-pahpux.h and
2206 xm-papro.h with implicit xm-pa.h.
2207 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2210 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2212 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2213 before reload_cse_noop_set_p.
2215 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2217 * config.gcc: Where xm-host.h used to include another
2218 xm-host.h, list the nested header directly in xm_file. Remove
2219 references to deleted files. Can now use sparc/xm-sp64.h for
2222 * config/xm-linux.h, config/arm/xm-linux.h,
2223 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2224 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2225 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2226 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2227 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2230 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2231 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2232 bother to wrap #undef in #ifdef.
2233 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2234 Don't include xm-linux.h.
2235 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2237 * configure.in: Wrap regexps using [] in changequote block.
2238 Use expr : not echo | grep. Simplify regexps.
2239 * configure: Regenerate.
2241 56 xm-files remain, 22 xm-arch.
2243 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2245 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2246 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2247 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2248 (copy_object): Fix format specifier vs argument mismatch.
2250 * mips-tdump.c: Make local functions static.
2251 (rindex): Don't #undef.
2252 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2253 (fatal, fancy_abort): Delete.
2254 (read_seek): Avoid signed/unsigned compare.
2256 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2258 * combine.c (try_combine): Fix error in change to try original
2260 (gen_rtx_combine): Do same as gen_rtx for now.
2262 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2264 * configure.in: AC_SUBST xm_defines.
2265 * configure: Regenerate.
2266 * Makefile.in: Set DEFINES=$(xm_defines) when building
2269 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2272 (cpp_included, find_include_file): Update.
2273 (_cpp_compare_file_date): Make else unconditional.
2275 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2277 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2279 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2281 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2282 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2284 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2286 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2287 if it's a record type.
2289 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2291 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2292 mingw includes slightly.
2294 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2297 #undef token before poisoning it.
2299 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2301 * alpha.c (check_float_value): Use memcpy, not bcopy.
2303 * m32r.c (m32r_sched_reorder): Likewise.
2305 * vax.c (check_float_value): Likewise.
2307 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2309 * toplev.c (file_name_nondirectory): Remove.
2310 * toplev.h: Similarly.
2311 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2312 of file_name_nondirectory.
2314 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2316 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2317 * mips-tfile.c: Don't #undef rindex; not used.
2319 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2321 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2322 (dbx64_register_map): Declare.
2323 (RETURN_ADDR_RTX): Fix for 64bit.
2324 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2325 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2326 * i386.c (dbx64_register_map): New global array.
2327 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2328 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2331 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2333 * cppfiles.c (search_from): Use lbasename.
2334 * mkdeps.c (deps_add_default_target): Use lbasename.
2336 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2338 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2339 xcalloc in lieu of malloc, realloc & calloc.
2341 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2343 * gengenrtl.c (xmalloc): Likewise.
2345 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2346 really_call_* memory allocation routines.
2348 * stmt.c (check_for_full_enumeration_handling): Use
2349 really_call_calloc, not calloc.
2351 * system.h (really_call_malloc, really_call_calloc,
2352 really_call_realloc): Define.
2353 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2355 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2357 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2359 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2361 * configure: Rebuilt.
2362 * configure.in: Only use `lang_requires' for languages athat are
2365 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2367 * invoke.texi: Fix typo.
2368 * gcc.1: Regenerate.
2370 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2372 * configure.in: Prune nonexistent files from build_xm_file,
2373 xm_file, and host_xm_file lists. Warn unless they're
2375 Don't generate *config.h here.
2376 AC_SUBST all variables needed to generate *config.h.
2377 * configure: Regenerate.
2378 * mkconfig.sh: New helper script, from code removed from
2380 * Makefile.in: Zap all MALLOC variables - no longer used
2381 anywhere, and malloc.c doesn't exist.
2382 Substitute in variables needed to generate *config.h.
2383 Stop lying about the dependencies contained in CONFIG_H and
2385 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2386 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2387 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2388 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2389 $(TM_P_H), etc. as appropriate.
2391 * config.gcc: Zap references to deleted files.
2392 * ggc-none.c: Don't include rtl.h or tm_p.h.
2394 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2395 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2396 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2397 config/i386/xm-linux.h, config/i386/xm-linux.h,
2398 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2399 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2400 Don't include i386/xm-i386.h.
2402 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2403 config/i386/xm-i386.h, config/i860/xm-i860.h,
2404 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2405 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2406 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2407 Delete (empty except comments, #includes of other deleted
2408 files, and macros used nowhere).
2410 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2412 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2413 independent on TARGET_FLAGS.
2415 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2417 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2419 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2421 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2423 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2424 LAST_REX_SSE_REG): define.
2425 (enum reg_class): Add 'LEGACY_REGS'
2426 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2427 (SSE_REGNO_P): Recognize extended registers.
2428 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2429 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2430 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2431 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2432 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2433 REG_OK_FOR_STRREG_P): Remove.
2434 (HI_REGISTER_NAMES): Add extended registers.
2435 (ADDITIONAL_REGISTER_NAMES): Likewise.
2436 (QI_REGISTER_NAMES): Add 8bit extended registers.
2437 (DEBUG_REG): Support extended registers.
2438 * i386.c (regclass_map): Add extended registers.
2439 (dbx_register-map): Likewise.
2440 (svr4_dbx_register_map): Likewise.
2441 (print_reg): Support extended registers.
2442 (print_operand): Support 64bit operands.
2444 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2446 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2447 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2448 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2449 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2450 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2451 STACK_BOUNDARY): Set properly for 64bits.
2452 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2453 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2454 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2455 (MOVE_MAX): Set to 16.
2456 (MOVE_MAX_PIECES): 8 for 64bit.
2457 (Pmode): Set to SImode.
2459 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2461 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2463 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2465 * i386.h (mask_64bit): New constant.
2466 (target_64bit): New macro.
2467 (target_options): Add '64'/'32'
2468 (target_default): Define.
2469 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2470 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2471 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2473 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2475 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2477 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2479 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2480 LO_SUM unless for_alias is set.
2482 2001-03-08 Stan Shebs <shebs@apple.com>
2484 * objc/objc-act.c: Fix old typos in comments, add comments for
2486 (hash_init): Fix file name in error message.
2487 (hash_enter): Ditto.
2488 (hash_add_attr): Ditto.
2489 (continue_class): Ditto.
2491 2001-03-08 Bruce Korb <bkorb@gnu.org>
2493 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2494 wait4() can receive the signal.
2496 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2498 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2500 * fixinc/fixincl.x: Regenerate.
2502 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2504 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2506 * fixinc/fixincl.x: Regenerate.
2508 2001-03-08 Richard Henderson <rth@redhat.com>
2510 * configure.in (HAVE_AS_LEB128): New assembler check.
2511 * configure, config.in: Rebuilt.
2513 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2515 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2518 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2520 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2521 references to the MAXPATHLEN macro.
2523 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2524 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2527 * config/i386/xm-gnu.h, config/xm-gnu.h,
2528 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2529 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2530 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2531 and/or unused files.
2533 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2534 doing so in various xm-*.h files.
2536 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2538 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2540 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2542 * configure.in (enable_shared): Support per-package shared-library
2544 * configure: Rebuilt.
2546 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2548 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2549 for crnot. Set operands[5] in splitter.
2551 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2553 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2554 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2555 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2556 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2557 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2558 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2559 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2562 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2563 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2564 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2565 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2566 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2567 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2568 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2569 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2570 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2571 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2572 Delete unused and/or empty files.
2574 * config.gcc: Define USG in xm_defines as appropriate. Define
2575 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2576 macro. Remove deleted xm-* files from $xm_files variable.
2578 2001-03-07 Tom Tromey <tromey@redhat.com>
2580 * configure: Rebuilt.
2581 * configure.in: Allow config-lang.in to set `lang_requires' to list
2582 of other required languages.
2584 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2586 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2588 (output_prologue): Use xmalloc not oballoc.
2589 (output_epilog): Free a29k_first_epilogue_insn when finished.
2590 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2592 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2594 * builtins.c (expand_builtin_mathfn): Check
2595 flag_unsafe_math_optimizations, not flag_fast_math.
2596 (expand_builtin): Likewise
2597 * combine.c (combine_simplify_rtx): Likewise.
2598 (simplify_if_then_else): Likewise.
2599 * cse.c (fold_rtx): Likewise.
2600 * flags.h: Remove flag_fast_math. Add
2601 flag_unsafe_math_optimizations and flag_trapping_math.
2602 * fold-const.c (negate_expr): Check
2603 flag_unsafe_math_optimizations, not flag_fast_math.
2604 (invert_truthvalue): Likewise.
2605 (fold): Likewise. Before associating operands, check that
2606 code == MULT_EXPR, not code != MULT_EXPR.
2607 * ifcvt.c (noce_try_minmax): Check
2608 flag_unsafe_math_optimizations, not flag_fast_math.
2609 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2610 * invoke.texi: Document -funsafe-math-optimizations and
2611 -fno-trapping-math. Change documentation for -ffast-math.
2612 * jump.c (reversed_comparison_code_parts): Likewise.
2613 (rtx_equal_for_thread_p): Likewise.
2614 * optabs.c (emit_conditional_move): Likewise.
2615 * simplify-rtx.c (simplify_binary_operation): Likewise.
2616 (simplify_relational_operation): Likewise.
2617 (simplify_ternary_operation): Likewise.
2618 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2619 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2620 Add trapping-math and unsafe-math-optimizations entries to f_options.
2621 (set_fast_math_flags): New, sets flags for -ffast-math.
2622 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2623 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2624 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2626 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2627 (alpha_emit_conditional_move): Initialize local_fast_math to
2628 flag_unsafe_math_optimizations, not flat_fast_math.
2629 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2630 instead of setting flag_fast_math to 1.
2631 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2633 * config/i386/i386.c (override_options): Likewise
2634 * config/i386/i386.md: Likewise.
2635 * config/m68k/m68k.md: Likewise.
2636 * config/mips/mips.md: Likewise.
2637 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2638 (rs6000_generate_compare): Likewise.
2640 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2642 * Makefile.in: Set RANLIB to @RANLIB@.
2645 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2647 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2648 * fixinc/fixincl.x: Regenerated.
2650 2001-03-07 Richard Henderson <rth@redhat.com>
2652 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2654 2001-03-07 Richard Henderson <rth@redhat.com>
2656 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2657 of block notes and exception handling notes.
2659 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2660 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2661 (compile_file): ... here.
2663 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2665 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2667 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2668 config.h now. Include libiberty.h to handle alloca.
2670 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2672 * c-parse.in (yylexname): New function, split out of _yylex.
2673 (objc_rid_sans_at): New table.
2674 (init_reswords): Initialize it.
2675 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2676 retrieving the next token and checking it for significance as
2677 an ObjC keyword or string constant.
2679 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2680 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2682 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2685 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2687 * config/m68k/m68k.c (const_uint32_operand): Accept any
2688 const_int on a 32-bit host.
2690 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2692 * objc/objc-act.c (init_objc): Set save_lang_status,
2693 restore_lang_status, and mark_lang_status.
2695 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2697 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2699 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2701 * cppinternals.texi: Update.
2703 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2705 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2706 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2707 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2708 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2709 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2710 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2711 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2712 config/i386/xm-i386.h, config/i860/xm-i860.h,
2713 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2714 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2715 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2716 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2717 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2718 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2719 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2720 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2721 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2722 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2723 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2724 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2725 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2726 match the defaults provided in hwint.h.
2728 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2729 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2731 * config.gcc (xm_file): Don't set to files which are deleted.
2733 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2734 guard this file against these macros being undefined.
2736 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2738 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2739 and DECL_DEFER_OUTPUT on the decl we create, before calling
2740 rest_of_decl_compilation.
2742 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2744 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2746 * configure, config.in: Regenerate.
2747 * config.gcc: Remove references to deleted files.
2749 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2750 genrecog.c, rtl.c: Do not use alloca anywhere.
2752 * Makefile.in, build-make, system.h, config/x-interix,
2753 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2754 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2755 config/arc/xm-arc.h, config/arm/xm-arm.h,
2756 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2757 config/h8300/xm-h8300.h, config/i370/x-oe,
2758 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2759 config/i386/x-ncr3000, config/i386/x-sco5,
2760 config/i386/xm-dgux.h, config/i860/x-sysv4,
2761 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2762 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2763 config/m68k/x-hp320g, config/m69k/x-mot3300,
2764 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2765 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2766 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2767 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2768 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2769 config/mips/x-iris, config/mips/x-iris3,
2770 config/mips/x-sni-svr4, config/mips/x-sysv,
2771 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2772 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2773 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2774 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2775 config/pa/xm-papro.h, config/romp/xm-romp.h,
2776 config/rs6000/x-aix31, config/rs6000/x-aix41,
2777 config/rs6000/x-beos, config/rs6000/x-lynx,
2778 config/rs6000/x-mach, config/rs6000/x-rs6000,
2779 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2780 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2781 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2782 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2783 config/vax/xm-vms.h: Eradicate all references to alloca and
2786 * config/xm-alloca.h, config/clipper/x-clix,
2787 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2788 config/i860/x-sysv3, config/m88k/x-sysv3,
2789 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2790 (contained only alloca related hacks).
2792 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2795 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2797 * invoke.texi: Document __FAST_MATH__.
2799 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2801 * crtstuff.c: Restore include of auto-host.h.
2803 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2805 Put main() in a separate file, so that the language
2806 front-end can use a different main().
2809 * toplev.c: (main): Rename as toplev_main.
2810 * toplev.h: Declare toplev_main.
2811 * Makefile.in (OBJS): add toplev.o.
2812 (BACKEND): remove toplev.o, add main.o.
2814 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2816 * cppfiles.c (search_from): Special case the empty string.
2818 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2820 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2821 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2822 strlen or strcpy; we already know the length.
2823 (_cpp_compare_file_date): Similarly.
2824 * cpphash.h (struct cpp_reader): Delete done_initialising.
2825 (CPP_PREV_BUFFER): Delete.
2826 * cppinit.c (cpp_start_read): Don't set done_initialising.
2827 * cpplex.c (parse_string): Guarantee null-termination.
2828 (_cpp_equiv_toklists): Remove.
2829 * cpplib.c (glue_header_name): Null-terminate.
2830 (do_line): Don't leak memory.
2831 * cpplib.h (BT_WEAK): Delete.
2832 * cppmain.c (cb_ident): Strings are now null-terminated.
2834 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2836 * gcc.c (convert_filename): Append executable suffix
2837 if NO_AUTO_EXE_SUFFIX is not defined.
2838 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2839 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2841 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2843 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2844 * c-parse.gperf, c-gperf.h: Delete.
2845 (c-gperf.h was accidently re-added to the CVS repo in the rev
2846 1.16 commit by tromey)
2848 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2850 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2851 macro arguments when looking for the '('.
2852 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2853 2 when really parsing arguments; 1 when looking for '('.
2854 Always restore the lexer position.
2856 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * longlong.h (umul_ppmm): Don't use a multiline string.
2860 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2862 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2863 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2864 t_bool in declaration because pcc can't combine volatile with typedef
2867 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2869 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2870 until when it is really needed.
2871 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2872 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2873 * i386.md (float?i?f splitter): Don't force source operand to memory
2875 (sse_movdfcc): Fix constraint.
2876 (sse_movdfcc splitter): Handle properly the second alternative.
2878 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2880 * cpplex.c (parse_string): Unconditionally pedwarn.
2882 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2885 * cppexp.c (parse_number): Update.
2886 * cpplex.c (parse_string): Pedwarn if multiline string does not
2887 result from a system header's macro.
2888 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2889 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2890 for function-like macros too.
2891 * c-lex.c (lex_number): Update.
2893 2001-03-03 Richard Henderson <rth@redhat.com>
2895 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2897 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2899 * combine.c (try_combine): If split with mode-changed scratch
2900 register didn't work, try the original mode.
2902 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2904 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2905 * config/c4x/c4x.h: Likewise.
2906 * stor-layout.c (compute_record_mode): Likewise.
2907 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2909 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2911 * configure.in: Kill tm.h. Include the files in the $tm_file
2912 list in all three of config.h, hconfig.h, tconfig.h, after the
2913 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2914 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2915 * configure: Regenerate.
2916 * Makefile.in (clean): Don't delete tm.h.
2918 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2919 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2920 those are not defined, set SEC and FEC to 0 and 1.
2921 * gcc.texi: Update to match.
2923 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2924 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2925 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2926 Include tconfig.h, not tm.h.
2928 * config/xm-lynx.h, config/xm-std32.h,
2929 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2930 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2931 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2932 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2933 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2934 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2935 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2936 config/i386/xm-i386.h, config/i860/xm-i860.h,
2937 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2938 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2939 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2940 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2941 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2942 config/pa/xm-linux.h, config/pa/xm-pa.h,
2943 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2944 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2945 config/pj/xm-pj.h, config/romp/xm-romp.h,
2946 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2947 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2948 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2949 config/v850/xm-v850.h, config/vax/xm-vax.h,
2950 config/we32k/xm-we32k.h:
2952 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2954 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2955 config/i370/xm-oe.h: Don't include tm.h. Don't define
2957 * config/vax/xm-vms.h: Don't include tm.h.
2959 * config/xm-lynx.h, config/avr/xm-avr.h,
2960 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2961 Delete; made empty by above changes.
2962 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2963 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2964 Don't include config/xm-lynx.h or tm.h.
2966 * config/xm-gnu.h: Don't include fcntl.h.
2967 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2969 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2971 2001-03-02 Richard Henderson <rth@redhat.com>
2973 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2974 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2976 2001-03-02 Richard Henderson <rth@redhat.com>
2978 * Makefile.in (OBJS): Add dwarf2asm.o.
2979 * dwarf2asm.c, dwarf2asm.h: New files.
2980 * dwarf2out.c (*): Use them.
2981 (size_of_uleb128, size_of_sleb128): Remove.
2982 (output_uleb128, output_sleb128): Remove.
2983 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2984 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2985 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2986 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2987 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2988 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2989 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2990 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2991 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2992 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2993 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2994 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2995 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2996 (dwarf2out_frame_debug): Remove unused variables.
2997 (output_loc_operands): Don't abort on 8 byte constants if
2998 host integers are wide enough.
2999 (output_symbolic_ref): Remove.
3000 (size_of_die): Don't assume 4 byte host integers.
3001 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3003 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3004 something stupid with HOST_WIDE_INT to long truncation.
3005 [CONST_DOUBLE]: Likewise.
3007 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3008 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3009 * config/arm/unknown-elf.h: Likewise.
3010 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3011 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3012 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3013 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3014 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3015 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3016 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3017 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3018 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3019 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3020 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3021 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3023 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3025 * cselib.c (hash_rtx): Cast enums to unsigned int.
3027 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3029 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3030 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3032 * c-format.c (C_STD_VER): Cast to int for comparisons.
3033 (check_function_format): Cast various enums to int for &.
3034 (maybe_read_dollar_number): Likewise.
3035 (check_format_info): Likewise.
3036 (check_format_info_main): Likewise.
3037 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3038 (safe_from_p): Likewise.
3039 * varasm.c (const_hash): Cast enum to int for %.
3040 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3041 pcc enum problems with < and ++ operators.
3042 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3043 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3044 (regclass_init): Change enum class to int to iterate over reg_classes.
3045 * genrecog.c (merge_trees): Cast enums for comparison.
3046 * rtl.h (GET_CODE): Cast to enum rtx_code.
3047 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3048 (GET_MODE): Cast to enum machine_mode.
3049 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3050 (GET_NOTE_INSN_NAME): Cast enum to int.
3051 * tree.h (TREE_CODE): Cast to enum tree_code.
3052 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3053 * timevar.c (timevar_print): Change loop variable id from enum to
3055 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3056 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3057 * toplev.c (compile_file): Cast enum DFI to int.
3058 (decode_d_option): Likewise.
3060 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3062 * cppinit.c (append_include_chain): Mark "after" include file name list
3063 as a system directory.
3064 * cpp.texi: Document new behavior.
3066 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3068 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3070 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3072 * cppfiles.c (struct include_file): Update.
3073 (stack_include_file): Use search_from.
3074 (cpp_included, find_include_file): Update.
3075 (cpp_execute_include): Update. ptr->name may not be
3076 null terminated. Use the new search_from member variable
3078 (_cpp_compare_file_date): Similarly.
3079 (search_from): New function, similiar to actual_directory.
3080 (actual_directory): Delete.
3081 (remap_filename): Update. loc->name may not be null terminated.
3082 (struct file_name_list): Rename search_path. Update.
3083 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3084 search_from and dir.
3085 (struct cpp_reader): Remove actual_dirs.
3086 * cppinit.c (struct cpp_pending): Update for renamed objects.
3087 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3088 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3089 * cpplib.h (struct cpp_options): Similarly.
3091 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3093 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3094 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3095 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3096 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3097 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3098 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3099 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3100 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3101 config/i370/xm-oe.h, config/i386/xm-aix.h,
3102 config/i386/xm-i386.h, config/i386/xm-osf.h,
3103 config/i860/xm-i860.h, config/i960/xm-i960.h,
3104 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3105 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3106 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3107 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3108 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3109 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3110 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3111 config/pj/xm-pj.h, config/romp/xm-romp.h,
3112 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3113 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3114 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3115 config/v850/xm-v850.h, config/vax/xm-vax.h,
3116 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3117 Do not define TRUE or FALSE.
3119 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3120 empty by above change.
3121 * config.gcc: Remove references to these files.
3123 * configure.in: Detect stdbool.h.
3124 * configure, config.in: Regenerate.
3125 * system.h: Include stddef.h here if available.
3126 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3127 Then set up a sensible boolean type at the very end.
3129 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3130 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3132 * hash.h: Delete 'boolean' typedef and related #undefs.
3134 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3135 all uses of 'boolean' with 'bool'.
3137 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3139 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3140 * cppexp.c (lex): Cast enums for comparison.
3141 * cppinit.c (parse_option): Cast enum for comparison.
3142 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3143 (cpp_output_token): Likewise.
3144 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3145 (cpp_avoid_paste): Cast enums for minus and comparison.
3147 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3149 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3150 field to all array elements.
3152 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3154 * cpphash.h (struct cpp_reader): Add print_version field.
3155 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3156 just set print_version and other flags as appropriate.
3157 (cpp_post_options): Print version here if print_version is set.
3159 * toplev.c (exit_after_options): New flag.
3160 (independent_decode_option): Don't exit here; just set
3162 (main): Exit after calling lang_hooks.post_options if
3163 exit_after_options is true.
3165 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3166 (merge_include_chains): Adjust comment to match code.
3168 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3170 * stringpool.c (set_identifier): New function.
3171 * tree.h: Prototype it.
3173 * c-parse.in: Kill D_YES. If compiled for objc, call
3174 save_and_forget_protocol_qualifiers from init_reswords.
3175 * objc/objc-act.c (remember_protocol_qualifiers,
3176 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3177 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3179 (save_and_forget_protocol_qualifiers): New function.
3180 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3182 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3184 * c-semantics.c (prune_unused_decls): Return error_mark_node
3185 instead of (tree) 1 to stop traversing the tree chain.
3187 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3189 Fix a problem introduced by Kenner's Feb 18 change.
3190 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3191 flag_cse_skip_blocks only temporarily, not for ever.
3193 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3195 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3196 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3198 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3199 before determining its register class.
3201 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3203 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3204 from reg 4 if current_function_calls_setjmp.
3205 (gen_nop_type): New function.
3206 (ia64_emit_nops): New function.
3207 (ia64_reorg): Call it.
3208 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3210 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3211 code not to try to optimize adds with anything but a REG destination.
3213 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3214 (INSN_PRIORITY_KNOWN): New accessor macro.
3215 * haifa-sched.c (priority): Use it instead of testing priority against
3218 2001-02-28 DJ Delorie <dj@redhat.com>
3220 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3221 since that doesn't work the way gcc wants on a generic m68k.
3223 2001-02-28 Richard Henderson <rth@redhat.com>
3225 * caller-save.c (save_call_clobbered_regs): Fix typo in
3226 comparison last change.
3228 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3230 * i386.c (pentium4_cost): New.
3231 (m_PENT4): New macro.
3232 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3233 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3234 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3235 x86_memory_mismatch_stall): Add Pentium4
3236 (x86_use_q_reg, x86_use_any_reg): Kill.
3237 (override_options): Add pentium4.
3238 (incdec_operand): Return 0 for pentium4.
3239 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3240 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3241 (TARGET_PENTIUM4): Define.
3242 (enum processor_type): Add PROCESSOR_PENTIUM4.
3243 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3244 * i386.md (attribute "cpu"): Add pentium4.
3245 * invoke.texi (march): Add pentium4.
3247 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3249 * i386.md (sse_mov?fcc*): New patterns and splitters.
3250 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3251 the SSE based conditional moves.
3253 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3255 * i386.md (attribute mode): Add "TI".
3256 (movsf_1): Add pxor support; remove constant propagation splitter.
3257 (movdf_integer): Likewise.
3258 (movdf_nointeger): Likewise.
3259 (movxf constant prop splitter): Handle all modes; update for SSE.
3260 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3261 * i386.c (standard_80387_constant_p): Rewrite.
3262 (standard_sse_constant_p): New.
3263 * i386-protos.h (standard_sse_constant_p): New.
3265 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3267 * i386.md (sse_setccsf, sse_setccdf): New.
3268 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3270 * i386.c (sse_comparison_operator): Accept the supported unordered
3271 comparses; be ready for fast_math.
3272 (print_operand): Support 'D'.
3274 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3276 * jump.c (reversed_comparison_code): Kill.
3278 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3280 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3283 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3285 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3286 add missing '%' in constraints.
3288 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3290 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3291 for HOST_BITS_PER_WIDE_INT == 32 too.
3293 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3295 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3297 (insert_save, insert_restore): New parameter save_mode.
3298 (init_caller_save): Update initialization of reg_save_code
3299 and reg_restore_code.
3300 (save_call_clobbered_regs): Compute save_modes and update calls to
3301 reg_save_code and reg_restore_code.
3302 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3303 of spill; update use of reg_restore_code.
3304 (insert_save): Likewise.
3305 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3306 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3307 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3309 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3311 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3312 noce_try_store_flag_inc, noce_try_store_flag_mask,
3313 noce_try_cmove_arith):
3314 Use reversed_comparison_code instead of reverse_comparison and
3315 can_reverse_comparison_p.
3317 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3319 * jump.c (reversed_comparison_code_parts): Allow reversal of
3320 unordered compares in -ffast-math mode; reverse ordered compares
3321 for FP even w/o -ffast-math.
3323 2001-02-27 Richard Henderson <rth@redhat.com>
3325 * print-rtl.c (print_rtx) [i]: Don't print field five on
3326 NOTEs other than NOTE_INSN_DELETED_LABEL.
3328 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3330 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3331 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3333 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3335 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3336 even if walk_subtrees is 0.
3337 * c-semantics.c (prune_unused_decls): Return a non-null value to
3338 stop traversing the tree chain.
3340 2001-02-27 DJ Delorie <dj@redhat.com>
3342 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3343 register, *then* define it as the new CFA.
3345 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3347 * pa.c (override_options): Promote -fpic to -fPIC.
3348 (legitimize_pic_address): Simplify due to removal of
3349 small PIC as a code generation option.
3350 (secondary_reload_class): Similarly.
3351 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3352 (PRINT_OPERAND_ADDRESS): Similarly.
3353 * pa.md (various patterns): Similarly.
3354 (small pic lo_sum pattern): Remove.
3356 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3359 * md.texi (min, max): Document
3361 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3363 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3364 TARGET_PARTIAL_REG_DEPENDENCY.
3365 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3367 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3369 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3371 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3373 * mips.c (mips_make_temp_file): Fix thinko in last change.
3375 2001-02-26 Jason Eckhardt <jle@redhat.com>
3377 * combine.c (known_cond): Do not reverse the condition when
3378 SMAX/UMAX is being considered and the condition is for equality
3381 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3383 2001-02-26 Philip Blundell <philb@gnu.org>
3385 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3387 * config/arm/linux-elf.h: Remove historical relics related to
3388 above configurations.
3389 * config/arm/linux-oldld.h: Delete.
3390 * config/arm/linux-elf26.h: Delete.
3392 2001-02-26 Jason Merrill <jason@redhat.com>
3394 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3396 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3397 recognize a tentative definition. Lose obsolete code.
3399 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3400 variables unless necessary, either.
3402 2001-02-25 Richard Henderson <rth@redhat.com>
3404 * ifcvt.c (struct noce_if_info): Add test_bb.
3405 (noce_get_alt_condition): New.
3406 (noce_try_minmax, noce_try_abs): New.
3407 (noce_operand_ok): New.
3408 (noce_process_if_block): Use them.
3409 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3411 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3413 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3416 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3418 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3419 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3421 (mips_asm_file_end): Free temp_filename here.
3423 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3425 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3426 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3428 * config/i386/i386.md (movstrsi): Handle FAIL case.
3430 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3432 * cppinit.c (builtin_array): Update.
3433 (init_builtins): Flag builtins to warn if redefined or
3434 undefined. Define __GXX_WEAK as a normal macro.
3435 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3436 * cpplib.h (NODE_WARN): New flag.
3437 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3438 Handle __STDC__ as a builtin only on Solaris.
3439 (warn_of_redefinition): Renamed from check_macro_definition.
3440 Reverse sense of test. Always warn if NODE_WARN.
3441 (_cpp_create_definition): Use warn_of_redefinition. Flag
3442 any macro beginning with "__STDC_" to require a mandatory
3443 warning if redefined or undefined.
3445 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3447 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3448 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3449 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3450 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3451 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3452 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3453 Don't define any of:
3454 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3455 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3456 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3457 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3458 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3460 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3461 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3464 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3465 Delete now-empty file.
3467 * alpha/vms.h: Define NEED_ATEXIT here...
3468 * alpha/xm-vms.h: ...not here.
3470 * i386/cygwin.h: Don't define PARAMS.
3471 * mips/mips.c: Don't prototype mktemp. Don't define
3472 P_tmpdir. Use make_temp_file to create temporary files.
3473 Don't be clever and delete temporary files early.
3474 * config.gcc: Drop references to deleted files. Don't define
3476 * gcc.texi: Don't mention USE_PROTOTYPES.
3478 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3480 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3481 (ix86_set_move_mem_attrs_1): Likewise.
3482 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3483 * config/i386/i386.md (movstrsi): Call it.
3485 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3487 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3488 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3489 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3490 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3492 (i750a-*-*): Error here if hosting on i750a.
3493 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3495 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3496 Remove (empty modulo comments).
3498 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3499 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3500 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3501 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3502 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3503 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3505 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3506 Remove reference to winnt.h in comment.
3507 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3509 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3511 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3512 used to set another biv.
3514 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3516 * tree.h (BLOCK_DEAD): New macro.
3517 (struct tree_block): New flag, dead_flag.
3518 * print-tree.c (print_node, case 'b'): Print missing fields.
3519 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3520 * function.c (identify_blocks): Enable test for misplaced notes.
3521 (all_blocks): Skip BLOCK_DEAD blocks.
3522 * integrate.c (integrate_decl_tree): Likewise.
3524 * errors.c (internal_error, trim_filename): New functions.
3525 (fancy_abort): Call internal_error.
3526 * errors.h (internal_error, trim_filename): New declarations.
3528 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3530 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3532 (EXTRA_CONSTRAINT): Formatting changes.
3534 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3536 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3538 2001-02-23 Per Bothner <per@bothner.com>
3540 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3541 so they can be called from java/jvspec.c.
3542 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3544 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3546 * i386.c (ix86_frame): New structure.
3547 (ix86_compute_frame_size): Kill.
3548 (ix86_compute_frame_layout): New.
3549 (ix86_save_reg): New.
3550 (ix86_can_use_return_insn_p): Use frame layout stuff.
3551 (ix86_expand_prologue): Likewise.
3552 (ix86_expand_epilogue): Likewise.
3553 (ix86_initial_elimination_offset): Likewise.
3554 (ix86_nsaved_regs): Use ix86_save_reg.
3555 (ix86_emit_save_regs): Likewise.
3557 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3559 * flow.c (find_sub_basic_blocks): New function.
3560 (split_block): Be ready for basic block introduced by CODE_LABEL.
3561 (commit_one_edge_insertion): Call find_sub_basic_block.
3563 * flow.c (make_edges): Add edge from entry for blocks starting with
3564 label having ALTERNATE_NAME
3566 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3568 * function.c (epilogue_done): Be ready for first basic block not
3569 containing PROLOGUE_END note.
3570 (reposition_prologue_and_epilogue_notes): Avoid placing
3571 PROLOGUE_END note between BASIC_BLOCK.
3573 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3575 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3577 2001-02-21 DJ Delorie <dj@redhat.com>
3579 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3580 check for current_function_has_nonlocal_goto from 1999-11-12.
3582 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3584 * diagnostic.c (trim_filename): No longer static.
3585 * toplev.h (trim_filename): Declare.
3586 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3587 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3588 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3589 (rtvec_check_failed_bounds): Likewise.
3590 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3592 * convert.c (convert_to_integer): Don't do unsigned unless result or
3593 both inputs are unsigned.
3595 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3598 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3600 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3602 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3604 * Makefile.in (resource.o): Add params.h dependence.
3605 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3606 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3607 * resource.c: Add dependence on params.h.
3608 (current_live_regs): Fix explanatory comment.
3609 (find_basic_block): Add new parameter to permit limiting search
3611 (mark_target_live_regs): Add new argument to find_basic_block call.
3612 (incr_ticks_for_insn): Likewise.
3614 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3616 * diagnostic.c (output_to_stream): Rename to
3617 output_buffer_to_stream. Loses the stream parameter.
3618 (init_output_buffer): Set diagnosic_buffer's stream.
3619 (flush_diagnostic_buffer): Adjust.
3620 (default_print_error_function): Likewise.
3621 (finish_diagnostic): Likewise.
3622 (verbatim): Likewise.
3624 * diagnostic.h (struct output_buffer): Add `stream' field.
3625 (output_buffer_attached_stream): New macro.
3627 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3629 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3630 check if either operand is divisible by C.
3631 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3632 If type is signed, consider negative numbers as well.
3634 2001-02-22 Richard Henderson <rth@redhat.com>
3636 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3637 reach .text instead of gp-relative relocs.
3638 * config/ia64/crtend.asm (.init): Likewise.
3640 2001-02-22 Andreas Jaeger <aj@suse.de>
3642 * extend.texi (C++ Attributes): Fix typo.
3644 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3646 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3647 functions, drop current_function_args_info.words test.
3648 (ia64_compute_frame_size): Mark syscall_linkage functions as
3649 using eight input registers.
3651 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3652 Bruce Korb <bkorb@gnu.org>
3654 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3655 * fixinc/README: Document how to convert sed substitutions
3656 to format style c_fix-es.
3657 * fixinc/fixincl.x: regen
3659 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3661 * gcc.c: Add comment explaining how to add a command-line option.
3662 Add title to specs language comment.
3664 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3666 * gcc.c (cc1_options): Add "-param".
3667 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3668 (option_map): Likewise.
3669 * toplev.c (display_help): Add entry for "--param".
3670 (independent_decode_option): Fix typographical error.
3672 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3673 Bernd Schmidt <bernds@redhat.com>
3674 Jan Hubicka <jh@suse.cz>
3676 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3677 (function_arg): Likewise.
3679 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3681 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3683 2001-02-21 Kazu Hirata <kazu@hxi.com>
3685 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3689 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3691 * flow.c (init_propagate_block_info): Canon address and use single_set
3692 for killing dead memory stores.
3694 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3696 * Makefile.in (reorg.o): Add params.h dependence.
3697 * params.def: Fix typographical error in comment.
3698 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3699 * params.h: Modify introductory comment.
3700 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3701 * reorg.c: Add dependence on params.h.
3702 (redundant_insn): Add parameterized throttle for search.
3703 (fill_simple_delay_slots): Add a comment explaining a variable.
3704 Move conditional out of loop, simplifying code.
3705 (fill_eager_delay_slots): Fix typographical error in comment.
3707 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3709 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3711 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3712 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3714 2001-02-21 Jason Merrill <jason@redhat.com>
3716 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3717 (struct tree_decl): Add uninlinable bitfield.
3718 * c-decl.c (duplicate_decls): Set it.
3719 * integrate.c (function_cannot_inline_p): Check it.
3721 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3722 DW_AT_MIPS_linkage_name to abstract methods.
3723 (dwarf2out_abstract_function): Emit class context before calling
3724 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3725 (gen_subprogram_die): Remove obsolete code.
3726 (gen_member_die): Don't include clones in the member list.
3727 (gen_decl_die): Emit abstract info for clone origin.
3728 * dwarfout.c (output_type): Don't include clones in the member list.
3729 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3730 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3731 DECL_ABSTRACT on a function that already has it set.
3733 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3734 (get_subprogram_die): Pass it in.
3736 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3738 * flow.c (mark_set_1): Make not_dead unsigned long. For
3739 non-pseudos, use it as a bitmask of the hard regs that
3742 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3744 * cppfiles.c: Update comments.
3745 (_cpp_read_file): Don't check for NULL filenames any more.
3746 * cppinit.c (cpp_start_read): Don't do canonicalization of
3747 in_fname and out_fname. Use the passed file name exclusively.
3748 (_cpp_handle_options): Don't treat "-" as a command line option,
3749 but as a normal filename.
3750 (_cpp_post_options): Canonicalize in_fname and out_fname.
3751 * cppmain.c (printer_init): Don't check out_fname for NULL.
3752 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3753 (init_c_lex): Update, and use "" to represent stdin to CPP.
3756 2001-02-20 Will Cohen <wcohen@redhat.com>
3758 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3759 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3760 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3763 2001-02-20 Stan Shebs <shebs@apple.com>
3765 * config/rs6000/rs6000.c (output_cbranch): Output branches
3766 on separate lines instead of using ';' to separate.
3768 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3770 * cppinit.c (set_lang): Move builtin handling to...
3771 (init_builtins): ...here.
3772 (_cpp_create_reader): Move call to set_lang.
3774 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3776 * stmt.c (expand_return): If an attempt is made to return the
3777 error_mar_node, treat the return like a return without a value.
3779 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3781 * sibcall.c (skip_copy_to_return_value): Call
3782 identify_call_return_value here, and return orig_insn if it
3783 returns zero. Hardret and softret arguments now unnecessary.
3784 (call_ends_block_p): Don't call identify_call_return_value here.
3786 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3788 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3789 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3791 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3793 * pa.c (move_operand): Accept code to load the address of a
3794 symbol out of the DLT as a valid move operand.
3795 (print_operand, case 'A'): New to handle generating a DLT
3796 reference for a LO_SUM expression.
3797 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3798 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3800 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3802 * README, cpp.texi, gcc.texi, version.c: Update version number to
3804 * cpp.1, gcov.1, gcc.1: Regenerate.
3806 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3808 * cppfiles.c (stack_include_file): Generate dependencies
3809 here, and manage include_count here too.
3810 (PRINT_THIS_DEP): Delete.
3811 (_cpp_execute_include): Do not generate dependencies here,
3812 apart from the case of a missing header. Do not manage
3814 (_cpp_read_file): Leave dependency generation to
3817 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3819 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3820 target_cpu_default. Remove dead assignment to
3823 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3825 * regclass.c (contains_reg_of_mode): Make global.
3826 (init_reg_sets): Remove contains_reg_of_mode; take into account
3827 CLASS_MAX_NREGS when looking for the proper mode.
3828 (dump_regclass): Dump only classes considered for the pseudo.
3829 (regclass): Use contains_reg_of_mode.
3831 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3833 * gcc.c (do_spec_1): 'n' for printing notices.
3834 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3836 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3838 * reg-stack.c (next_flags_user): Use current_block->end
3839 (swap_rtx_condition): Look for next user if flags don't die;
3840 give up on CALL_INSNs; use current_block->end.
3842 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3844 * sibcall.c (call_ends_block_p): New function.
3845 (optimize_sibling_and_tail_recursive_call): Use it.
3847 2001-02-18 Kazu Hirata <kazu@hxi.com>
3849 * config/h8300/h8300.md: Update copyright.
3850 (andsi3): Do not output an extra newline character.
3852 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3854 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3855 FNDECL may be unused.
3857 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3858 follow jumps after first run.
3859 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3860 it doesn't change any jumps.
3862 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3864 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3865 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3866 (mostlyclean): Corresponding changes.
3867 * rtlanal.c (hard-reg-set.h): Include.
3868 (rtx_unstable_p): Do not treat the argument pointer specially
3869 if it is not a fixed register.
3870 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3872 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3874 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3875 against last real insn in basic block.
3876 Rework to avoid gotos.
3878 * Makefile.in (gcse.o): Now includes ggc.h.
3879 * gcse.c: Include ggc.h.
3880 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3881 (try_replace_reg): Remove warning of uninitialize variable.
3882 (process_insert_insn): Call invalid_insn_p to validate insn.
3883 * recog.c (insn_invalid_p): Now global.
3884 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3885 * recog.h (insn_invalid_p): New declaration.
3887 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3889 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3890 assignments from FP constants since 'Y' output code can't handle it.
3891 (eligible_for_sibcall_delay): Likewise.
3893 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3894 Call fancy_abort directly, passing args.
3895 (print_rtl_and_abort): Now a macro, like fancy_abort.
3897 * final.c (output_operand_lossage): Use internal_error, not error.
3899 2001-02-18 Shane Nay <shane@agendacomputing.com>
3901 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3902 structure shift insns.
3904 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3906 * invoke.texi (-fsquangle): Remove documentation.
3907 (-fname-mangling-version): Likewise.
3909 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3911 * optabs.c (expand_abs): Remove reference to
3912 HAVE_contitional_arithmetic.
3913 * combine.c (simplify_set): Likewise.
3915 2001-02-18 Richard Henderson <rth@redhat.com>
3917 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3920 2001-02-18 Richard Henderson <rth@redhat.com>
3922 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3924 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3926 * reload1.c (reload_cse_simplify_set): Fix typo.
3928 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3930 * diagnostic.c (_fatal_insn): Decrement errorcount.
3932 * invoke.texi (-I): Add note avoiding use for system header files.
3934 * rtl.h (add_clobbers): Remove duplicate declaration.
3935 * recog.h (added_clobbers_hard_reg_p): New declaration.
3936 * genemit.c (struct clobber_pat): New field has_hard_reg.
3937 (gen_insn): Record if added clobbers clobber hard reg.
3938 (gen_split): Avoid unused warning if number of operands is 0.
3939 (output_added_clobbers_hard_reg_p): New function.
3942 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3944 * pa.c (hppa_expand_prologue): Simplify code storing return
3945 pointer. For large (>=8k) frames with a post_store, adjust stack
3946 pointer by 8k-64 first rather than by 64. When testing with
3947 VAL_14_BITS_P, always use the actual value rather than the value
3948 negated. Add blockage to prevent scheduling of spills before
3949 stack frame has been created.
3950 (hppa_expand_epilogue): Simplify code loading return pointer.
3951 Allow a slightly larger range for merge_sp_adjust_with_load case.
3952 When testing with VAL_14_BITS_P, always use the actual value.
3954 * pa.c (pa_adjust_insn_length): Check that block move
3955 pattern is a set before looking at operands.
3957 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3959 * fold-const.c (fold_binary_op_with_conditional_arg): New
3960 function, split out from ...
3962 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3963 conditional arms that throw exceptions.
3965 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3968 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3970 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3971 define HAVE_DECL_* to 1 to mask potential backup declarations.
3972 * configure: Regenerated.
3974 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3976 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3978 2001-02-17 Richard Henderson <rth@redhat.com>
3980 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3981 when replacing a memory load with a register.
3983 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3984 Jan Hubicka <jh@suse.cz>
3986 * recog.c (validate_replace_src_1): New.
3987 (validate_replace_src_data): Likewise.
3988 (validate_replace_src): Use note_uses.
3989 * rtl.h (note_uses): Declare.
3990 * rtlanal.c (note_uses): New.
3992 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3994 * reg-stack.c (stack_def): Make field reg unsigned.
3995 (remove_regno_note): Unsignetize parameter.
3997 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3999 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4000 shladd_operand() call.
4002 2001-02-16 Bruce Korb <bkorb@gnu.org>
4003 Rodney Brown <RodneyBrown@mynd.com>
4005 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4006 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4007 machine restrictions
4008 * fixinc/fixincl.x: regen
4010 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4012 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4014 (hash_scan_insn): Clean up calls to hash_scan_set.
4015 (compute_kill_rd): REGNO now unsigned.
4016 (try_replace_reg): Rework to use simplify_replace_rtx.
4017 (cprop_jump, cprop_cc0_jump): Likewise.
4018 (cprop_insn): Call find_reg_equal_equiv_note.
4019 Reflect changes to cprop_jump and cprop_cc0_jump.
4021 * recog.c (validate_replace_src): Replace in operands of
4022 ZERO_EXTRACT in SET_DEST.
4024 * cse.c (new_label_ref): New variable.
4025 (insert): Set it instead of recorded_label_ref.
4026 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4027 CODE_LABEL for this function, and not already in REG_LABEL note.
4029 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4031 * resource.c (mark_referenced_resources): Fix typo in introductory
4033 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4036 2001-02-16 Jason Merrill <jason@redhat.com>
4038 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4040 (gen_subprogram_die): Don't abort on seeing a second definition if
4041 the previous one was abstract. Don't replace an abstract instance
4042 in the lookup table.
4044 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4045 gen_abstract_function.
4046 * dwarf2out.h: Declare it.
4047 * toplev.c (note_outlining_of_inline_function): New fn.
4048 * toplev.h: Declare it.
4049 * integrate.c (output_inline_function): Call it.
4050 * c-decl.c (duplicate_decls): Call it when redefining an extern
4051 inline. Don't inline the new defn.
4053 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4055 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4057 * .gdbinit: Rename to gdbinit.in.
4058 * gdbinit.in: New file,
4059 * configure.in: Generate .gdbinit from gdbinit.in.
4060 * configure: Regenerated.
4061 * Makefile.in (distclean): Always remove .gdbinit.
4063 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4065 * objc/objc-act.c (start_class): Register implemented_classes with
4068 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4070 * cppfiles.c (_cpp_make_system_header): Generate a file
4073 2001-02-15 Jim Meyering <meyering@lucent.com>
4075 * Makefile.in (install-common): Don't depend on installdirs here.
4076 Instead, make each of the lang.install-common targets (e.g.,
4077 c++.install-common in cp/Make-lang.in) depend on it.
4078 (install-driver): Depend on installdirs.
4080 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4082 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4084 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4087 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4089 * invoke.texi (--param): Document.
4091 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4093 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4095 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4097 * i386.md (extendsfdf2_2): Fix constraints.
4099 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4101 * i386.md (fop_df_3 splitter): Fix operand number.
4103 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4105 * invoke.texi (-mreg-alloc): Nuke.
4106 * i386.c (ix86_reg_alloc_order, regs_allocated,
4107 order_regs_for_local_alloc): Nuke.
4108 (override_options): Kill reg_alloc code.
4109 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4110 (REG_ALLOC_ORDER): SSE goes before I387.
4111 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4112 (ix86_reg_alloc_order): Likewise.
4113 * i386-protos.h (ix86_reg_alloc_order): Kill.
4115 2001-02-14 Richard Henderson <rth@redhat.com>
4117 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4119 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4121 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4123 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4125 * i386-protos.h (ix86_memory_move_cost): Move offline.
4126 * i386.c (ix86_register_move_cost): Compute properly cost of
4127 SSE, MMX and i387 instructions.
4128 (*_cost): Add costs of SSE/MMX moves.
4129 (ix86_memory_move_cost): Move offline from ....; Likewise.
4130 * i386.h (MEMORY_MOVE_COST): .... here;
4131 (struct processor costs): Add new fields to represent costs
4134 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4136 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4137 move_cost together with Matt Kraai's fix.
4139 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4141 * Makefile.in (OBJS): Add params.o.
4143 2001-02-14 Richard Henderson <rth@redhat.com>
4144 DJ Delorie <dj@redhat.com>
4146 * jump.c (jump_optimize_1): When we delete a conditional jump
4147 preceeding a non-conditional jump to effectively the same place,
4148 make sure that the combined jump skips any clobber insns between
4151 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4153 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4155 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4157 * Makefile.in (toplev.o): Depend on params.h.
4158 (intergate.o): Likewise.
4159 (params.o): New target.
4160 * flags.h (inline_max_insns): Remove.
4161 * integrate.c: Include params.h.
4162 Use MAX_INLINE_INSNS instead of inline_max_insns.
4163 * params.c: New file.
4164 * params.h: Likewise.
4165 * params.def: Likewise.
4166 * toplev.c: Include params.h.
4167 (lang_independent_params): New variable.
4168 (decode_f_option): Use the param machinery instead of setting
4170 (independent_decode_option): Handle "--param name=value".
4171 (main): Register language-independent parameters.
4173 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4175 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4177 2001-02-14 Richard Henderson <rth@redhat.com>
4179 * regclass.c (init_reg_sets_1): Revert last two changes.
4181 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4183 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4184 (variable_size): Call put_pending_size.
4185 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4186 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4187 sizes list, put newly created SAVE_EXPR there as well.
4189 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4191 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4192 (errata_find_address_regs): load_group has only 2 entries.
4193 (errata_emit_nops): Likewise. shladd is not problematic.
4194 Clear last_group if nop was emitted.
4195 (fixup_errata): load_group has only 2 entries.
4198 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * c-lex.c (lex_number): Only warn traditionally for U suffix
4201 outside system macros.
4202 * cppexp.c (parse_number): Similarly.
4203 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4204 * cppmacro.c (struct cpp_macro): New member node.
4205 (parse_args): Only warn about missing rest args if not
4207 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4208 (cpp_sys_objmacro_p): New.
4209 (_cpp_create_definition): Store the node with the macro defn.
4210 Remember if the macro is defined in a system header.
4212 2001-02-13 DJ Delorie <dj@redhat.com>
4214 * configure.in (check_languages): determine languages to check
4215 * Makefile.in (check-c++): alias for check-g++
4216 (check-f77): alias for check-g77
4217 (CHECK_TARGETS): depend on configured languages
4219 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4221 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4222 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4223 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4224 (sqrtextendsfdf2): Disable for SSE2.
4226 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4228 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4229 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4230 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4231 (sqrtextendsfdf2): Disable for SSE2.
4233 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4235 * i386.md (movsfcc_1): Support integer cmove instruction.
4236 (movdfcc_1): Likewise; new splitter.
4238 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4240 * i386.c (output_fp_compare): Support SSE.
4241 (prepare_fp_compare_args): SSE comparisons always support memory.
4242 * i386.h (TARGET_CMOVE): SSE imply cmove.
4243 * i386.md (cmp?f2): Enable for SSE too.
4244 (cmpfp_i*): Support SSE.
4246 (cmpfp_i_sse_only): New.
4247 (s*, b* fp expanters): Enable for SSE too.
4248 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4251 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4253 * regclass.c (init_reg_sets_1): Silence warning.
4255 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4257 * i386.md (sqrt?f2): Change to expander.
4258 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4260 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4262 * rtlanal.c (find_reg_equal_equiv_note): New function.
4263 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4264 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4265 * rtl.h: Add declarations for above functions.
4267 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4269 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4271 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4272 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4273 * flow.c (mark_regs_live_at_end): Likewise.
4274 (calculate_global_regs_live): Likewise.
4275 * gcse.c (compute_hash_table): Likewise.
4276 (compute_kill_rd): Likewise.
4277 * resource.c (mark_target_live_regs): Likewise.
4278 * rtl.h (INVALID_REGNUM): New macro.
4280 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4282 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4284 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4286 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4289 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4291 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4293 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4294 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4295 (fop_sf_1_sse, fop_df_1_sse): New patterns
4296 (fop_*): Disable float_extend and float patterns for SSE compilation.
4297 * i386.c (output_387_binary_op): Support SSE.
4299 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4301 * i386.md (dummy_extendsfdf2): Support SSE2
4302 (extendsfdf2): Enable if 80387 or SSE2.
4303 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4304 and no MIX_I387_SSE2
4305 (extendsfdf2_1_sse_only): New pattern.
4306 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4308 (truncdfsf2_1): Support SSE.
4309 (truncdfsf2_2): Support SSE.
4310 (truncdfsf2_2_1_sse): New pattern.
4311 (fixtruncsfsi2): Always use SSE if available.
4312 (fix_truncsfsi_sse): New pattern.
4313 (fix_truncdfsi_sse): New pattern.
4314 (floatsis?f2): Support SSE.
4315 (floatsidf2_i387): New pattern.
4316 (floatsidf2_sse): Likewise.
4318 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4320 * configure.in: Use "have_gnat" variable, not "gnat".
4321 * configure: Regenerated.
4323 * config/sparc/sparc.c (function_value): Treat all non-record
4324 aggregate types like used to treat UNION_TYPE.
4326 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4328 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4329 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4331 (MASK_MIX_SSE_I387): New.
4332 (TARGET_SSE): SSE2 imply SSE.
4333 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4334 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4335 (enum reg_class): Add new classes.
4336 (REG_CLASS_NAMES): Likewise.
4337 (REG_CLASS_CONTENTS): Likewise.
4338 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4339 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4340 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4341 (CLASS_MAX_NREGS): Use new macros.
4342 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4343 * i386.md (pushsf, movsf): Support SSE.
4344 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4345 splitters to use ANY_FP_REGNO_P.
4346 (movdf_nointeger, movdf_integer): Likewise.
4348 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4350 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4351 (try_combine): Use it.
4353 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4355 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4356 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4357 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4358 (REGISTER_MOVE_COST): Likewise.
4359 * i386-protos.h (ix86_secondary_memory_needed,
4360 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4361 * i386.c (ix86_secondary_memory_needed,
4362 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4364 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4366 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4367 (HARD_REGNO_MODE_OK): Move offline to ....
4368 * i386.c (ix86_hard_regno_mode_ok) ... here;
4369 refuse all incorrect modes.
4370 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4372 2001-02-13 Richard Henderson <rth@redhat.com>
4374 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4375 entire operator; replicate that and match_dup the operands.
4376 (cmp_ccx_arith_op_set): Likewise.
4377 (cmp_cc_arith_op_not_set): Likewise.
4378 (cmp_ccx_arith_op_not_set): Likewise.
4380 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4382 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4384 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4386 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4387 (TARGET_NO_BITFIELD_WORD): New macro.
4388 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4389 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4391 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4393 * cselib.c: New file, from simplify-rtx.c.
4394 * simplify-rtx.c: Remove cselib parts.
4395 * Makefile.in: Add cselib.o.
4397 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4399 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4400 (setup_incoming_varargs): Remove warning.
4402 * config/rs6000/rs6000.c (validate_condition_mode): When
4403 flag_fast_math, allow floating-point conditionals to be reversed.
4404 (rs6000_generate_compare): When flag_fast_math, don't generate
4405 cror operations for FP conditionals.
4407 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4409 (ASM_SPEC): Likewise.
4410 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4411 (CC1_SPEC): Likewise.
4412 (LINK_TARGET_SPEC): Likewise.
4413 (CPP_ENDIAN_SPEC): Likewise.
4414 * Makefile.in (check-consistency): New target.
4416 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4418 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4419 "return type defaults" warning for functions with return type
4421 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4422 function declarations by default rather than only when pedantic.
4424 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4426 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4429 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4431 * extend.texi (Deprecated): Deprecate new initializer lists.
4433 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4435 * mkdeps.c (deps_add_default_target): Robustify. Add
4436 basename component only.
4437 * cpp.texi (-M): Describe how default target is generated.
4438 * invoke.texi (-M): Likewise.
4440 2001-02-12 Kazu Hirata <kazu@hxi.com>
4442 * toplev.c (push_float_handler): Remove.
4443 (pop_float_handler): Remove.
4444 * toplev.h: Remove prototypes for the above functions.
4446 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4448 * c-common.c (constant_fits_type_p): New function.
4449 (convert_and_check): Use it.
4451 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4453 * Makefile.in (GXX_ABI_FLAG): Don't define.
4454 * configure.in (--enable-new-gxx-abi): Remove option.
4455 * config.in: Regenerated.
4456 * configure: Likewise.
4458 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4460 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4462 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4463 regular basic block, and arrange for all edges into it to switch
4466 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4468 * Makefile.in (distclean): Do not remove .gdbinit.
4470 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4472 * Makefile.in (gcc.o): Fix typos.
4473 (protize.o): Likewise.
4474 (unprotoize.o): Likewise.
4476 2001-02-11 Richard Henderson <rth@redhat.com>
4478 * tree.c (build1): Check for null operand in last change.
4480 2001-02-11 Richard Henderson <rth@redhat.com>
4482 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4483 (fold): Don't assume a constant isn't foldable.
4484 * tree.c (build): Set TREE_CONSTANT for an expression with no
4485 side-effects and constant operands.
4488 2001-02-10 Richard Henderson <rth@redhat.com>
4490 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4492 2001-02-10 Anthony Green <green@redhat.com>
4494 * cpp.texi (Standard Predefined): Add documentation for
4497 * c-common.c (combine_strings): Improve warning message.
4499 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4501 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4503 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4505 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4507 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4510 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4512 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4515 2001-02-09 Nick Clifton <nickc@redhat.com>
4517 * config/arm/arm.md: Change output contraint on post inc
4518 load/store multiple patterns to be a read/write contraint.
4520 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4522 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4523 .o files when using the -M options.
4525 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4526 David Edelsohn <edelsohn@gnu.org>
4528 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4529 handle DImode constants. Use one TOC entry for SImode and smaller
4530 constants, aligned properly.
4532 2001-02-08 Jason Merrill <jason@redhat.com>
4534 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4535 about the SP adjustment for saving the static chain pointer.
4536 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4537 offset when setting a temporary CFA register.
4539 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4541 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4542 powerpc-*-chorusos* .
4543 * config/rs6000/chorus.h : New file.
4544 * config/i386/chorus.h : New file.
4545 * config/sparc/chorus.h : New file.
4546 * config/sparc/t-chorus-elf : New file.
4548 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4550 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4551 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4552 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4553 (__WCHAR_TYPE__): Correct macro name.
4555 2001-02-08 Richard Henderson <rth@redhat.com>
4557 * config/i386/i386.c (ix86_frame_pointer_required): New.
4558 (ix86_setup_frame_addresses): New.
4559 (struct machine_funciton): Add accesses_prev_frame.
4560 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4561 ix86_frame_pointer_required.
4562 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4563 (SETUP_FRAME_ADDRESSES): New.
4564 * config/i386/i386-protos.h: Update.
4565 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4566 from FRAME_POINTER_REQUIRED.
4567 * config/i386/svr3gas.h: Likewise.
4568 * config/i386/sysv3.h: Likewise.
4569 * config/i386/v3gas.h: Likewise.
4571 2001-02-08 Richard Henderson <rth@redhat.com>
4573 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4574 calculation of the number of integer registers required.
4575 (function_arg_record_value): Likewise.
4577 2001-02-08 Jason Merrill <jason@redhat.com>
4579 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4580 two. Print file and line with "confused" message.
4582 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4584 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4586 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4588 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4590 * final.c (cleanup_subreg_operands): The address of a MEM can
4593 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4596 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4598 * gcc.texi (Incompatibilities): Update documentation of
4599 preprocessing numbers.
4601 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4603 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4605 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4607 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4609 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4610 * gcc.c (struct compiler): Add cpp_spec field.
4611 (input_file_compiler): New variable.
4612 (do_spec_1): Allow a particular compiler to handle `%C'
4614 (main): Store the current compiler in input_file_compiler.
4615 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4617 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4619 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4620 * cppinit.c (cpp_create_reader): Initialize them.
4621 (append_include_chain): cxx_aware arg might be unused.
4622 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4623 keywords and give them their phase 7 meaning. Pedwarn about
4624 this unless '__bool_true_false_are_defined' is defined.
4626 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4628 * lcm.c (optimize_mode_switching): Emit mode_set before the
4629 JUMP_INSN of an abnormal edge.
4631 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4633 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4634 a scheduling barrier at the end.
4636 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4638 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4640 * config/sh/sh.md (reload_outsf): Removed.
4641 (movsf_ie): Introduce constraints for FPUL loads and stores.
4642 (reload_insf): Broaden the output constraint.
4644 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4646 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4647 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4649 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4651 * final.c: Revert my previous changes.
4652 * output.h: Make profile_label_no extern.
4653 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4654 for generating label.
4656 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4658 * config/i386/djgpp.h: Add comments about standard paths.
4659 (MD_EXEC_PREFIX): Undefine before defining.
4660 (MD_STARTFILE_PREFIX): New.
4662 2001-01-30 Bruce Korb <bkorb@gnu.org>
4664 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4665 (load_file): do not rely on load_file_data() to close file pointer
4666 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4667 fixinc/inclhack.def(irix_limits_const): add test_text
4669 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4671 * cppexp.c (parse_defined): Improve diagnostics for invalid
4674 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4676 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4678 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4680 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4681 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4682 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4683 (rs6000_output_symbol_ref): New function.
4684 (output_toc): Use VTABLE_NAME_P.
4686 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4688 * print-tree.c (print_node, case PARM_DECL):
4689 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4691 * stor-layout.c (reference_types_internal): New variable.
4692 (internal_reference_types): New function.
4693 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4694 * tree.h (internal_reference_types): New declaration.
4696 * cse.c (find_best_addr): Fix typo in computing cost.
4698 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4700 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4701 and this is the sum of a pointer and a constant, we know the result
4703 (num_sign_bit_copies, case PLUS): Likewise.
4704 * explow.c (convert_memory_address): Remove opposite SUBREG.
4705 * function.c (instantiate_new_reg): New function (from common code).
4706 (instantiate_virtual_regs_1): Call it.
4707 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4708 if pointers sign- or zero-extend.
4709 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4710 If pointers extend unsigned, use inside of SUBREG.
4711 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4713 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4715 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4716 subdir of gcc_gxx_include_dir.
4717 (gcc_gxx_target_include_dir): Remove.
4719 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4721 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4722 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4723 a high-level description.
4725 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4727 * final.c: Move the declaration of profile_label_no to ...
4728 * output.h: ... here.
4729 * function.c (expand_function_start): Call PROFILE_HOOK.
4730 * config/rs6000/aix.h: Define PROFILE_HOOK.
4731 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4732 * config/rs6000/rs6000.c (output_profile_hook): Define.
4733 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4734 output_profile_hook.
4735 tm.texi : Explain new macro PROFILE_HOOK.
4737 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4739 * extend.texi (Extended Asm): Do not say that semicolon is always
4740 a valid line-breaking character for GNU assemblers. Use
4741 newline-tab as the most commonly supported syntax. Use
4742 newline-tab rather than semicolon in multi-insn examples.
4744 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4746 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4748 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4749 David Edelsohn <edelsohn@gnu.org>
4751 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4752 code for AIX, even without flag_pic.
4754 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4756 * c-typeck.c (common_type): push and pop binding level around
4757 calling common_type on function parameters.
4759 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4761 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4763 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4765 * config/mips/mips.c (override_options): Fix typo in last change.
4766 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4767 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4769 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4771 * invoke.texi (-fdump-class-layout): Document.
4772 (-fdump-translation-unit): Use `=' as filename separator.
4774 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4776 * Makefile.in (s-mlib): Don't build multilibs if
4778 (DRIVER_DEFINES): Adjust accordingly.
4780 (protoize.o): Likewise.
4781 (unprotoize.o): Likewise.
4782 * configure.in: Recognize --enable-multilib.
4784 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4786 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4788 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4789 * configure.in: Remove --enable-libstdcxx_v3 support.
4790 * configure: Regenerated.
4792 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4794 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4795 Call abort instead of fatal.
4796 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4797 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4798 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4799 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4800 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4801 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4803 * diagnostic.h (set_internal_error_function): Renamed.
4804 * toplev.h (internal_error): Renamed from fatal.
4805 (pfatal_with_name): Deleted.
4806 (fatal_io_error): Now has printf-style arguments.
4807 * diagnostic.c (pfatal_with_name): Deleted.
4808 (fatal_io_error): Rework to have args in printf-style.
4809 (set_internal_error_function): Renamed from set_fatal_function.
4810 (internal_error): Renamed from fatal.
4811 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4812 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4813 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4814 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4815 * flow.c (verify_flow_info): Likewise.
4816 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4817 * config/mips/mips.c (save_restore_insns): Likewise.
4819 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4820 * flow.c (verify_flow_info): Likewise.
4821 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4822 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4823 (avr_normalize_condition): Likewise.
4824 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4825 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4826 (limit_reload_class, double_reg_to_memory): Likewise.
4827 (print_operand_address, emit_1600_code_shift): Likewise.
4828 (gen_tst_reg, gen_compare_reg): Likewise.
4829 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4830 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4832 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4834 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4835 * objc/objc-act.c (build_ivar_chain): Likewise.
4836 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4838 * graph.c (clean_graph_dump_file): Likewise.
4839 * profile.c (init_branch_prob): Likewise.
4840 * objc/objc-act.c (objc_init): Likewise.
4842 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4843 * config/avr/avr.c (avr_override_options): Likewise.
4844 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4845 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4846 * config/h8300/h8300.c (h8300_init_once): Likewise.
4847 * config/mips/mips.c (override_options): Likewise.
4848 * config/i386/i386.c (override_options): Likewise, rework.
4849 * config/m68k/m68k.c (override_options): Likewise.
4851 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4853 * config/mips/mips.c (print_operand): Likewise.
4854 * hash.c (hash_allocate): Don't check for failure returns from
4855 obstack functions that can't fail.
4856 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4857 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4858 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4859 (get_object_reference): Likewise.
4861 2001-02-04 Nick Clifton <nickc@redhat.com>
4863 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4864 StrongARM1110, 10TDMI, and 1020T.
4866 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4868 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4870 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4872 * config/sh/sh.md (movdf load split): Pass register number to
4873 FP_OR_XD_REGISTER_P.
4875 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4877 * cppinit.c (BC): New macro.
4878 (builtin_array): Add __GXX_WEAK__.
4879 * cpplib.h (builtin_type): Add BT_WEAK.
4880 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4881 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4882 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4884 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4886 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4888 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4890 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4891 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4893 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4895 * cpphash.h: Rename ALIGN _ALIGN.
4896 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4898 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4900 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4901 compilation environment.
4902 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4903 control over location of cygwin includes and libs.
4905 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4907 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4909 2001-02-02 lars brinkhoff <lars@nocrew.org>
4911 * md.texi (Standard Names): remove reference to spur.md.
4913 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4915 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4916 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4917 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4918 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4919 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4921 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4923 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4924 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4925 number before reload.
4926 (c4x_adjust_cost): Return zero before reload.
4927 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4928 split before reload.
4930 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4932 * c4x.c (c4x_hard_regno_rename_ok): New.
4933 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4934 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4936 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4938 * diagnostic.h: Add missing "extern" in all declarations.
4940 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4942 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4943 as for gcc_gxx_include_dir.
4945 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4947 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4949 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4951 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4952 label before alignment to be used as the braf base address.
4953 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4955 (casesi_jump_2): Require at least TARGET_SH2.
4957 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4958 truncation to 32-bit doubles on -m3e and -m4-single-only.
4960 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4962 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4963 the default when building a shared object.
4964 (init_spec): Use it.
4965 * testsuite/lib/g++.exp: Include the directory where libgcc
4966 is located to the LD_LIBRARY_PATH list.
4967 * invoke.texi (-shared-libgcc): Document the cases in which
4968 GCC defaults to using the shared libgcc.
4970 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4972 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4973 unsigned is wide enough.
4975 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4976 (si_to_float): Likewise.
4977 (float_to_si, float_to_usi): Use BITS_PER_SI.
4979 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4981 * dwarf2out.c: Added explanation of abbreviations.
4982 (def_cfa_1): Added comments listing DWARF2 instructions.
4983 (cfa_temp_reg): Removed in favor of cfa_temp.
4984 (cfa_temp_value): Removed in favor of cfa_temp.
4985 (cfa_temp): New global variable.
4986 (dwarf2out_frame_debug_expr): Added extensive introductory
4987 comments explaining the function's transformations. Revised to
4988 use cfa_temp. Added some rtx checking. Generalize IOR case.
4989 (dwarf2out_frame_debug): Revised to use cfa_temp.
4990 (output_aranges): Cast as "unsigned" to avoid warning.
4991 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4992 explain which instructions must be marked.
4994 2001-02-01 Richard Henderson <rth@redhat.com>
4996 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4999 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5001 * config/sh/crt1.asm (main_k): Modified so that start calls
5002 ___setup_argv_and_call_main.
5004 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5006 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5007 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5008 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5009 * cppmacro.c (builtin_macro): Set builtin flags here.
5010 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5011 (replace_args): Clarify intent.
5012 (cpp_get_token): Macro expansion tokens get the saved flags.
5014 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5017 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5019 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5022 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5024 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5025 returns Pmode pseudo, but we need ptr_mode.
5026 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5027 Remove bogus conversions; use HOST_WIDE_INT for size.
5028 Don't use TARGET if wrong mode.
5030 * config/i386/i386.c (ix86_compute_frame_size): Allow
5031 stack_alignment_needed to be non-default even if size is zero.
5033 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5035 * pa.c (hppa_init_pic_save): New function.
5036 * pa.h (hppa_init_pic_save): Declare.
5037 * pa.md (call, call_value, sibcall, sibcall_value): Use
5038 the above instead of duplicated code.
5040 * pa.c (hppa_encode_label): Correct size of alloca buffer
5041 so we don't overrun it. Correct leading `*' case.
5042 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5043 need to handle `*@'.
5044 (FUNCTION_NAME_P): Likewise.
5046 2001-01-31 Richard Henderson <rth@redhat.com>
5048 * config.gcc (alpha-osf5): Use float-i128.h.
5050 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5051 * config/float-i32.h: Likewise.
5052 * config/float-i64.h: Likewise.
5053 * config/float-sh.h: Likewise.
5054 * config/float-sparc.h: Likewise.
5056 2001-01-31 DJ Delorie <dj@redhat.com>
5058 * expmed.c (extract_bit_field): allow non-integral modes if we
5059 want to extract a whole register from itself.
5061 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5063 * c-typeck.c (set_init_index): If first is equal to last, assume as
5064 if it was not a range at all.
5066 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5068 * config/fp-bit.c: Include tm.h.
5069 (float_to_si): Don't assume SImode is 32-bits wide.
5070 (float_to_usi): Likewise.
5072 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5074 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5076 (typename): Call pending_xref_error after parsing typed_typespecs.
5077 * c-decl.c (lookup_tag): Give error immediately rather than
5078 leaving it pending if the tag of the wrong type is in the same
5080 (xref_tag): Don't pedwarn for forward declarations of enum types
5082 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5085 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5087 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5089 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5091 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5092 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5094 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5096 * cpphash.h (struct cpp_reader): New saved_flags.
5097 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5098 to avoid a paste after a pasted token.
5100 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5102 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5103 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5104 Wtype_MIN instead of LONG_MIN.
5106 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5108 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5110 * fixinc/fixincl.x: Regenerated.
5111 * fixinc/inclhack.def (irix_limits_const): New definition to
5112 convert "const" to "__const" in limits.h.
5114 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5116 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5118 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5120 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5121 when register dies in the insn.
5123 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * diagnostic.c (fatal): Fix word wrap.
5127 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5129 * combine.c (try_combine): Fix SUBREG setting for
5130 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5132 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5134 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5137 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5139 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5141 * toplev.c (decode_W_option): Update warn_larger_than
5142 unconditionally for each processed switch.
5144 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5146 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5148 (hppa_expand_prologue): Delete code to save pic offset table register
5149 in the function prologue.
5150 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5151 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5152 table register at the beginning of the function after the prologue.
5154 2001-01-29 lars brinkhoff <lars@nocrew.org>
5156 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5158 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5159 Jeff Law <law@redhat.com>
5161 * pa.md (return): Revise comment for trivial return.
5162 (return_internal): Non-trivial return pattern for non-PIC code.
5163 (return_internal_pic): Non-trivial return pattern for PIC code.
5164 It uses the PIC register to ensure it is restored after
5166 (epilogue): Generate appropriate return for PIC and non-PIC code.
5168 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5170 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5172 2001-01-29 DJ Delorie <dj@redhat.com>
5174 * combine.c (if_then_else_cond): Pass the correct mode to
5175 operand_subword() for constants.
5177 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5179 * config/i386/cygwin.h: Add w32api to include search. Search different
5180 directories in a cross-build environment.
5182 2001-11-29 Tim Josling <tej@melbpc.org.au>
5184 * tree.h (TYPE_STUB_DECL): Add documentation.
5186 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5188 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5189 (sdbout_field_types): Likwise. Fix use of host_integerp.
5191 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5193 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5196 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5198 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5199 to use flag_gnu_linker.
5201 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5203 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5204 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5206 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5208 * tree.c, tree.h (build_parse_node): Remove; was identical to
5210 * c-lang.c (start_cdtor), objc/objc-act.c
5211 (build_module_descriptor): Use build_nt instead of
5214 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5216 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5217 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5218 not have any upper bits set.
5220 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5222 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5224 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5226 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5228 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5230 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5231 (integer_minus_one_node): Define.
5233 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5235 * Makefile.in (bootstrap2-lean): Fix typo.
5237 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5239 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5240 : Don't set fe_value.
5241 * cpplib.h (AVOID_LPASTE): New flag.
5242 (struct cpp_hashnode): Remove fe_value.
5243 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5244 * cppmacro.c (builtin_macro): Don't set flags here.
5245 (replace_args): Set AVOID_LPASTE flag on first token of an
5246 argument, and the token following it.
5247 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5248 macro expansion, and on the token following it. Do it for
5250 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5252 2001-01-27 Richard Henderson <rth@redhat.com>
5254 * config/alpha/t-ieee: Remove multilibbing.
5255 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5257 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5259 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5261 * Makefile.in: Remove all dependencies on defaults.h.
5262 * builtins.c: Don't include defaults.h.
5263 * c-common.c: Likewise.
5264 * c-decl.c: Likewise.
5265 * c-pragma.c: Likewise.
5266 * c-typeck.c: Likewise.
5267 * combine.c: Likewise.
5269 * frame-ia64.c: Likewise.
5270 * cppexp.c: Likewise.
5271 * crtstuff.c: Likewise.
5272 * dbxout.c: Likewise.
5273 * dwarf2out.c: Likewise.
5274 * dwarfout.c: Likewise.
5275 * emit-rtl.c: Likewise.
5276 * except.c: Likewise.
5278 * final.c: Likewise.
5279 * frame-dwarf2.c: Likewise.
5280 * libgcc2.c: Likewise.
5281 * optabs.c: Likewise.
5282 * profile.c: Likewise.
5283 * sdbout.c: Likewise.
5284 * toplev.c: Likewise.
5285 * tradcif.y: Likewise.
5287 * varasm.c: Likewise.
5289 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5291 * builtins.c (expand_builtin_fputs): Use size_one_node when
5292 transforming into fwrite.
5294 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5296 * extend.texi (Attribute Syntax): New section.
5298 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5300 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5301 they didn't need fixing.
5303 2001-01-27 Janis Johnson <janis@us.ibm.com>
5305 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5307 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5308 to remove macro definitions that are duplicated from elfos.h.
5310 2001-01-27 Richard Henderson <rth@redhat.com>
5312 * config/i386/sco5gas.h: Move ...
5313 * config/usegas.h: ... here.
5314 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5316 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5318 * c-typeck.c (struct constructor_stack): Add range_stack member.
5319 (really_start_incremental_init): Clear it.
5320 (push_init_level): Save constructor_range_stack and clear it if
5321 pushing explicit braces.
5322 (pop_init_level): abort if constructor_range_stack is non-zero at
5323 explicit closing brace. Restore saved constructor_range_stack if
5326 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5328 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5329 into register was forced into memory.
5331 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5333 * Makefile.in: Remove uses of + before $(MAKE).
5335 2001-01-26 Richard Henderson <rth@redhat.com>
5337 * stmt.c (cost_table): Remove.
5338 (COST_TABLE, cost_table_initialized): New.
5339 (estimate_case_costs): Use the later instead of the former.
5340 (balance_case_nodes): Likewise.
5342 2001-01-26 Richard Henderson <rth@redhat.com>
5344 * alias.c (objects_must_conflict_p): Read-only slots may not
5345 conflict despite having the same type.
5347 2001-01-27 Michael Hayes <mhayes@redhat.com>
5349 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5351 (check_ext_dependant_givs): Initialise u_start_val and
5353 (load_mems): Make last_max_reg unsigned.
5354 (try_swap_copy_prop): Use INSN_P and initialise set.
5356 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5358 * README.AVR : Removed.
5360 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5362 * pa-64.h (text_section): Remove declaration.
5364 * pa.md (return_internal): Remove mode on PIC register use.
5366 2001-01-25 lars brinkhoff <lars@nocrew.org>
5368 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5369 ASM_CLOSE_PAREN): fix typos.
5371 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5373 * acconfig.h: Define `const' to the empty string if neither
5374 __STDC__ nor __cplusplus is defined.
5375 * config.in: Regenerated.
5377 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5379 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5380 * collect2.c (main): Delete importf. Add ".obj" file extension.
5381 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5382 (aix_std_libs): Add additional AIX libraries to skip.
5383 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5384 * config/rs6000/aix51.h: New file.
5386 2001-01-25 Michael Hayes <mhayes@redhat.com>
5388 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5389 (loop_insn_emit_before): No longer static.
5390 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5391 (loop_givs_rescan, load_mems): Likewise.
5392 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5393 (maybe_eliminate_biv_1):
5394 (move_movables): Replace emit_call_insn_before with
5395 loop_call_insn_hoist.
5396 * loop.h (loop_insn_emit_before): Add.
5397 * unroll.c (copy_loop_body): Replace emit_insn_before with
5398 loop_insn_emit_before.
5400 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5402 * diagnostic.c (fatal): Request preprocessed source.
5404 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5406 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5407 olddecl has argument types and newdecl has none, use the argument
5410 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5412 * dwarf2out.c (prefix_of): New function. Determine longest common
5413 prefix of the two arguments. The units are whole path components.
5414 (output_file_names): When adding a new directory find the one entry
5415 with the longest common prefix already in the list. Artificially
5416 generate entry if there is none for this prefix.
5417 Fix test to check whether the zeroth directory entry is used.
5419 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5421 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5422 Changed all callers. Take it into account when deciding if a
5423 previously loaded value matches.
5425 2001-01-24 Richard Henderson <rth@redhat.com>
5427 * reload.c (find_reloads_subreg_address): Fail the substitution
5428 if the resulting address is insufficiently aligned.
5430 2001-01-24 DJ Delorie <dj@redhat.com>
5432 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5433 check the original operand's mode also.
5434 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5436 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5438 * c-parse.in (cast_expr): Move compound literals from here ...
5439 (primary): ... to here. Use standard terminology "compound
5440 literal" instead of "constructor expression".
5442 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5444 * gcc.1, cpp.1: Regenerate.
5446 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5448 * calls.c (emit_library_call_value_1): Memory slot for
5449 pass-by-reference argument should have the mode of the argument,
5450 not of the pointer to it.
5452 2001-01-24 Tom Tromey <tromey@redhat.com>
5454 * gcc.texi (G++ and GCC): Mention gcj manual.
5455 (Standards): Link to section of manual mentioning gcj/Java
5458 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5460 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5461 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5462 * tradcpp.c (main): Add -imacros or -include'd dependencies
5464 * cpp.texi (-M, -MM): Document -M -include behaviour.
5466 2001-01-24 Roger Collins <roger@ProProject.com>
5468 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5470 2001-01-24 Will Cohen <wcohen@redhat.com>
5472 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5473 whether registers are 32 bits or 64 bits in size.
5475 2001-01-24 Ben Elliston <bje@redhat.com>
5477 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5479 2001-01-24 Richard Henderson <rth@redhat.com>
5481 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5482 (builtin_longjmp): Use it instead of emit_indirect_jump.
5484 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5486 * bb-reorder.c (make_reorder_chain_1): Handle case where
5487 jump edge goes to the same block as the fallthru edge.
5489 2001-01-23 Jim Wilson <wilson@redhat.com>
5491 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5492 * frame.h (__ia64_personality_v1): Add prototype.
5493 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5494 prototype form. Add void * cast to first argument to personality
5496 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5497 (asctoe113): Likewise.
5498 * config/ia64/frame-ia64.c: Include eh-common.h.
5499 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5501 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5503 (itanium_split_issue): Add prototype.
5504 (gen_nop_type): Ifdef out.
5505 (find_best_packet): Initialize best_packet.
5506 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5508 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5509 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5510 (flushrs): Add explicit stop bit at end.
5511 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5514 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5516 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5518 * libgcc2.c (__terminate_func): Make variable static.
5519 (__terminate_set_func): New function to set __terminate_func.
5520 * libgcc2.h (__terminate_func_ptr): New typedef.
5521 (__terminate_set_func): New function.
5523 2001-01-23 Richard Henderson <rth@redhat.com>
5525 * flow.c (init_propagate_block_info): Don't consider unchanging
5526 memories for dead frame store elimination.
5528 2001-01-23 Richard Henderson <rth@redhat.com>
5530 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5531 * defaults.h: ... here.
5533 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5535 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5537 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5539 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5541 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5543 * rs6000.h (rs6000_return_addr): Move prototype from here...
5544 * rs6000-protos.h (rs6000_return_addr): ...to here.
5545 (rs6000_init_expanders): Delete prototype.
5547 2001-01-23 Nick Clifton <nickc@redhat.com>
5549 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5550 (Spec Files): Document %B and %j and %. and %v3 and %M and
5551 %{S*&T} spec switches.
5553 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5555 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5557 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5558 Neil Booth <neil@daikokuya.demon.co.uk>
5560 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5561 Have -Werror make pedantic warnings errors, like the
5564 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5566 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5568 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5570 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5571 * integrate.c (expand_inline_function): Initialize them.
5572 (subst_constants): If changing COMPARE so that both its arguments
5573 will be VOIDmode and the comparison mode will be lost, note
5574 compare_mode. Use the recorded compare_mode to optimize
5577 2001-01-23 Jason Merrill <jason@redhat.com>
5579 * dwarf2out.c (new_die): Use xcalloc.
5580 (output_die): Abort rather than emit a local reference to offset 0.
5582 2001-01-17 Andrew Haley <aph@redhat.com>
5584 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5585 of a saved register; return NULL instead.
5586 (copy_reg): Take a pointer to a source register rather than a
5588 (next_stack_level): Remember the address in the stack frame of all
5590 Use the saved register pointer array as the source of the CFA.
5591 (throw_helper): Rewrite. Unwind once rather than twice and keep
5592 track of saved registers as we go.
5594 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5596 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5597 * c4x.c (c4x_legitimize_reload_address): Remove.
5598 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5599 reload address for ldp(k) insn.
5601 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5603 * pa.md (return_internal): Add a USE of the PIC register to ensure
5604 it is restored after each call.
5605 (return expander): Corresponding changes.
5607 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5609 * rs6000.h (INIT_EXPANDERS): Delete.
5610 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5611 * rs6000.c (rs6000_override_options): Call *_machine_status from
5613 (rs6000_init_expanders): ...instead of here. Delete.
5614 (rs6000_mark_machine_status): New function.
5615 (rs6000_init_machine_status): Use xcalloc.
5616 (rs6000_return_addr): Generate RTX for the return address.
5617 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5618 (rs6000_stack_info): Use it.
5620 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5622 * gthr-win32.h: Include errno.h to get a declaration for
5623 EINVAL and _mingw.h if the target is mingw32.
5625 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5627 * cpp.texi: Correct typos.
5629 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5631 * explow.c (probe_stack_range): Ensure value passed to
5632 stack_check_libfunc is ptr_mode, not Pmode.
5634 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5636 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5637 case, don't use operand_subword to calculate a SUBREG that is
5640 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5642 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5644 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5645 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5646 valid. If not replace it by equivalent insns.
5648 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5650 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5651 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5652 (c4x_U_constraint, symbolic_address_operand): Likewise.
5653 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5655 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5656 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5657 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5658 anulling slot because of silicon bug.
5659 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5661 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5663 * cppexp.c (parse_charconst): Change `mask' type to agree
5666 2001-01-21 Richard Henderson <rth@redhat.com>
5668 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5669 pic_label_name in a linkonce section.
5671 2001-01-17 Philipp Thomas <pthomas@suse.de>
5673 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5675 * configure: Regenerate.
5677 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5679 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5680 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5682 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5684 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5685 If REVERSE nonzero then condition code in X must be reversed.
5686 (encode_section_info): Optimise if/else.
5687 (avr_function_value): Fix formatting.
5689 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5690 (difficult_branch): Likewise.
5691 (rvbranch): Likewise.
5692 (difficult_rvbranch): Likewise.
5694 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5696 * config/avr/libgcc.S: Fix comment.
5698 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5700 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5702 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5704 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5706 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5708 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5709 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5710 * configure, config.in: Regenerate.
5711 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5712 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5713 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5714 (doprint.o): New rule.
5716 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5718 * c-typeck.c (digest_init): Handle boolean types as scalars.
5720 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5722 * stmt.c (expand_return): Don't return anything if size is zero.
5723 Delete redundant assignment to BYTES.
5724 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5726 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5728 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5729 the same as the default library function names.
5730 * config/avr/avr.md: Document special characters after '%'.
5731 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5732 knowing which of the call-used registers are really clobbered.
5733 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5734 New. Both quotient and remainder from one libgcc.S call.
5735 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5736 clobber as few registers as possible.
5737 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5739 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5741 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5742 context of the top of the stack.
5744 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5746 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5747 (fixup_var_refs_insns): ...here.
5749 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5751 * function.c (fixup_var_refs_insns): Break up into
5752 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5753 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5754 [loop over hash table entries].
5755 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5756 fixup_var_refs_insns_with_hash, to match above changes.
5758 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5760 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5761 (libgcc.a): Likewise.
5762 (stmp-multilib): Likewise.
5763 (STAGE2_FLAGS_TO_PASS): Likewise.
5765 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5767 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5768 temporary if no_new_pseudos.
5770 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5772 * cppinternals.texi: Update.
5774 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5776 * arm.c (arm_init_builtins): Re-enable builtins.
5778 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5780 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5781 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5782 element to be null, and always expect an EXPR_LIST.
5783 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5784 * sched-deps.c (sched_analyze_1): Likewise.
5785 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5787 * regclass.c (max_set_parallel): New variable.
5788 (reg_scan): Take it into account in computation of max_parallel.
5789 (reg_scan_mark_refs, case SET): Compute it.
5791 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5793 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5794 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5796 2001-01-19 Jason Merrill <jason@redhat.com>
5798 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5799 for the abstract instance of an inline function.
5801 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5802 J"orn Rennecke <amylaar@redhat.com>
5804 * reload1.c (move2add_note_store): Treat all registers directly or
5805 indirectly derived from a base register as members of the same set
5807 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5808 of base register into account.
5810 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5812 * alias.c (find_base_value): Recognize TRUNCATE.
5813 (record_set): In PLUS case, invalidate if other summand is also a
5816 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5818 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5819 entry to be EXPR_LIST.
5820 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5821 be an EXPR_LIST (but not null, which other code doesn't allow).
5822 (note_stores): Properly handle PARALLEL in SET.
5823 Recursively call for top-level PARALLEL.
5824 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5825 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5827 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5829 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5831 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5832 not pfile->skipping (== 0).
5834 2001-01-17 Nick Clifton <nickc@redhat.com>
5836 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5839 2001-01-17 Jim Wilson <wilson@redhat.com>
5841 * invoke.texi (IA-64 options): Improve.
5843 2001-01-17 Tom Tromey <tromey@redhat.com>
5845 * invoke.texi (Optimize Options): Use `{}' to around @samp
5848 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5850 * invoke.texi (-fno-guess-branch-probability): New option.
5852 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5854 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5855 case of making new double-word constant.
5856 Revert last change: instead just test i3_subst_into_i2.
5858 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5860 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5861 Use q constraints instead of r.
5863 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5865 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5866 (machine_function): Define.
5867 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5868 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5869 pa_free_machine_status): New functions.
5870 (override_options): Set {init,mark,free}_machine_status to above.
5871 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5872 PIC_OFFSET_TABLE_REGNUM_SAVED.
5873 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5874 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5875 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5876 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5877 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5879 2001-01-15 DJ Delorie <dj@redhat.com>
5881 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5885 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5887 * flow.c (propagate_on_insn): Make trying to delete a prologue
5888 or epilogue insn an ICE, not a warning. Allow doing this if
5889 the current function returns with stack pointer depressed.
5891 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5892 I3 having more than one SET.
5894 2001-01-16 Jim Wilson <wilson@redhat.com>
5896 * invoke.texi: Document IA-64 options.
5898 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5899 (fixup_errata): Delete TARGET_A_STEP use.
5900 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5901 (TARGET_SWITCHES): Delete -ma-step option.
5902 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5903 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5904 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5905 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5906 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5907 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5909 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5910 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5911 cmovsi_internal): Delete ! TARGET_A_STEP check.
5913 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5915 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5916 possibility to report bugs via postal mail. Change a URL and
5917 merge in a nearly duplicate statement...
5918 (Bug Reporting): ...from here.
5919 (Service): Refer to the Bug Reporting section instead of
5921 (Contributing): Remove trivial explanations concerning snapshots.
5923 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5925 * cppmain.c (general_init): Don't use ANSI prototype.
5927 2001-01-16 Tom Tromey <tromey@redhat.com>
5929 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5931 2001-01-16 Richard Henderson <rth@redhat.com>
5933 * config/i386/i386.h: Fix comment typo.
5934 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5935 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5937 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5939 * gcc.c: Revert previous -fsyntax-only-related change; move
5942 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5944 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5945 inmode after checking GET_CODE (op).
5947 2001-01-16 Richard Henderson <rth@redhat.com>
5949 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5950 (MAX_MEM_SET_LIST_LEN): New.
5951 (propagate_one_insn): Update mem_set_list_len.
5952 (invalidate_mems_from_autoinc): Likewise.
5953 (invalidate_mems_from_set): Likewise.
5954 (mark_used_regs): Likewise.
5955 (init_propagate_block_info): Likewise. Stop collecting memories
5956 when we reach MAX_MEM_SET_LIST_LEN.
5957 (mark_set_1): Likewise.
5959 2001-01-16 Richard Henderson <rth@redhat.com>
5961 * unroll.c (precondition_loop_p): Fail if no iteration
5964 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5966 * gcc.c: When -fsyntax-only is given, do not complain about
5969 2001-01-15 Richard Henderson <rth@redhat.com>
5971 * config/i386/i386.c (asm_output_function_prefix): Remove.
5972 (ix86_asm_file_end): New.
5973 (load_pic_register): Generate pic_label_name into a
5974 staticly allocated buffer.
5975 * config/i386/i386-protos.h: Update.
5976 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5977 (ASM_FILE_END): New.
5978 * config/i386/i386afe.h: New file.
5979 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5980 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5981 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5982 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5983 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5984 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5985 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5987 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5989 * Makefile.in (install-man): Remove explicit dependency on
5992 * configure.in, configure: Revert previous patch requiring perl
5995 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5997 * toplev.c (flag_guess_branch_prob): New.
5998 (f_options): Add guess-branch-probability option.
5999 (rest_of_decl_compilation): Only estimate branch probability if
6001 (main): set flag_guess_branch_prob.
6003 * flags.h (flag_guess_branch_prob): New.
6005 2001-01-15 DJ Delorie <dj@redhat.com>
6007 * gcc.texi (Makefile): Add documentation for Makefile targets.
6009 2001-01-15 Philip Blundell <philb@gnu.org>
6011 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6013 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6014 (is_pic): Delete declaration.
6015 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6016 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6017 * config/arm/arm.md (builtin_setjmp_receiver): New.
6019 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6021 * arm.c (use_return_insn): Don't try to determine the function type
6022 until after reload has completed.
6023 (arm_output_epilogue): Don't adjust the sp value recovered from the
6025 (emit_multi_reg_push): Don't record dwarf information for the pc.
6026 * arm.md (eh_epilogue): The function type may have changed, so it
6027 needs to be recalculated.
6028 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6029 unwind tables on arm/netbsd.
6031 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6033 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6034 (negated_cbranchsi4): Likewise.
6036 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6038 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6039 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6040 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6041 pass -mapcs-* options to assembler.
6042 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6043 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6044 (ASM_SPEC): Call subtarget_extra_asm_spec.
6046 2001-01-15 Andreas Jaeger <aj@suse.de>
6048 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6050 (ix86_expand_builtin): Likewise.
6052 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6053 warning about comparison between signed and unsigned.
6055 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6057 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6059 2001-01-14 Ralf Baechle <ralf@gnu.org>
6061 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6062 SUBTARGET_CPP_SPEC apropriatly.
6064 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6066 * varasm.c (make_decl_rtl): Fix typo in last change.
6068 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6070 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6071 linker supports the init_priority C++ attribute.
6072 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6073 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6074 linker does not support init_priority C++ attribute.
6076 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6078 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6080 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6082 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6083 * cp/lex.c (finish_parse): Similarly.
6084 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6085 Return the number of errors encountered.
6086 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6087 * cppmain.c (main): Don't call cpp_destroy.
6089 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6091 * configure.in: Require at least perl 5.6.0 to regenerate
6093 * configure: Regenerate.
6095 2001-01-14 Richard Henderson <rth@redhat.com>
6097 * genrecog.c (DT_veclen_ge): New.
6098 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6099 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6100 (nodes_identical_1): Handle DT_veclen_ge.
6101 (write_cond, debug_decision_2): Likewise.
6103 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6105 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6107 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6109 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6111 * cppmain.c (do_preprocessing): New function; most of the old
6113 (main): Call it to do most of the work.
6114 (cb): Move from global scope to set_callbacks ().
6115 (setup_callbacks): Get the callback pointer.
6116 (general_init, printer_init): Clean up code and comments.
6118 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6120 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6123 2001-01-14 Kazu Hirata <kazu@hxi.com>
6125 * config/h8300/h8300.c (get_shift_alg): Update comments.
6127 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6129 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6130 (alloc_page, ggc_alloc): Add casts to remove warnings.
6132 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6134 * combine.c (simplify_comparison): Don't change `code' when
6135 can't reverse comparison.
6137 2001-01-14 Richard Henderson <rth@redhat.com>
6139 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6140 update all call sites. Return true for all non-label constants.
6142 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6144 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6146 (ix86_expand_branch): Update.
6147 (ix86_expand_setcc): Update to handle multiple test conditions.
6148 (expand_int_movcc): Likewise.
6149 (expand_fp_movcc): Likewise.
6150 * i386-protos.h (ix86_expand_compare): New.
6151 * i386.md (andqi_?_slp, orqi_?_slp): New.
6152 (conditional trap expander): Update call to ix86_expand_compare.
6154 2001-01-14 Richard Henderson <rth@redhat.com>
6156 * config/vax/vax.md: Use nonimmediate_operand instead of
6157 general_operand in destinations.
6159 * config/vax/vax.md (indirect_jump): Use register_operand.
6161 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6162 * config/vax/vax.md (call_pop): Turn into an expander.
6163 (call_value_pop): Likewise.
6164 (call, call_value): New.
6166 2001-01-14 Andreas Jaeger <aj@suse.de>
6168 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6170 (ix86_fp_compare_mode): Add unused attribute.
6171 (ix86_expand_fp_movcc): Remove unused variable.
6172 (ix86_expand_builtin): Make fcode unsigned.
6174 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6175 (expand_expr): Add cast to avoid signed warning.
6176 (store_field): Likewise.
6177 (store_constructor_field): Likewise.
6178 (store_constructor): Likewise.
6179 (store_expr): Likewise.
6180 (clear_storage): Likewise.
6181 (emit_group_store): Likewise.
6182 (emit_group_load): Likewise.
6184 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6186 * c-common.c: Move format checking code to ...
6187 * c-format.c: ... here. New file. Reorder some functions and
6189 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6191 * c-common.h (decl_handle_format_attribute,
6192 decl_handle_format_arg_attribute): Declare.
6193 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6194 (c-common.o): Adjust dependencies.
6195 (c-format.o): New list of dependencies.
6197 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6199 * unroll.c (loop_iterations): If we cannot prove iteration variable
6200 is set once in each iteration, punt.
6202 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6204 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6205 (*strlenhi): Remove clobber (which was buggy) of output address.
6207 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6209 * Makefile.in (generated-manpages): Add gcc.1
6210 ($(srcdir)/gcc.1): New target.
6211 (maintainer-clean): Delete $(srcdir)/gcc.1.
6212 * gcc.texi: Add macros @gccoptlist and @gol.
6213 * invoke.texi: Include option summary in manpage. Mark up option
6214 summary with @gccoptlist and @gol. Use @r in one place where
6216 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6217 * gcc.1: Generate from invoke.texi.
6219 2001-01-13 Richard Henderson <rth@redhat.com>
6221 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6222 (struct page_entry): Add group member.
6223 (struct page_group): New.
6224 (struct globals): Add page_groups member.
6225 (alloc_anon): Only define for using mmap; remove valloc call.
6226 (page_group_index): New.
6227 (set_page_group_in_use): New.
6228 (clear_page_group_in_use): New.
6229 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6230 (free_page, release_pages): Likewise.
6231 * configure.in (with-gc): Default to ggc-page always.
6233 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6235 * reload1.c (replace_pseudos_in_call_usage): Use
6236 reg_equiv_constant and reg_equiv_address, and don't try
6237 regno_reg_rtx first.
6239 2001-01-13 Richard Henderson <rth@redhat.com>
6241 * ggc-page.c (alloc_page): Round up allocation size to one page.
6242 Set e->order on extra pages.
6244 2001-01-13 Richard Henderson <rth@redhat.com>
6246 * genrecog.c (nodes_identical): Expand commentary.
6247 (write_switch): Watch out for identical nodes.
6249 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6251 * cppfiles.c (_cpp_fake_include): New function.
6252 * cpphash.h (_cpp_fake_include): New.
6253 * cpplib.c (do_line): Call _cpp_fake_include when entering
6254 header files in preprocessed input.
6255 * cppmain.c (cb_pragma_implementation): Remove handling.
6256 (setup_callbacks): Don't register pragmas.
6258 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6260 * extend.texi: Udate for CPP.
6262 2001-01-13 Andreas Jaeger <aj@suse.de>
6264 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6266 * regmove.c: Add prototype for replace_in_call_usage.
6268 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6270 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6271 struct cpp_chunk, struct htab, struct toklist,
6272 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6273 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6274 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6275 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6276 (struct macro_args): Delete.
6277 * cpphash.h: See above.
6279 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6281 * cppmain.c (struct printer): Remove no_line_dirs.
6283 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6284 : Use options rather than CPP_OPTION.
6285 (setup_callbacks): Use cb rather than pfile->cb.
6286 (main): No need to check for a buffer. Use cpp_errors.
6287 (printer_init): Don't set no_line_dirs.
6288 (maybe_print_line): Use options not no_line_dirs.
6289 (cb_file_change): Don't call print_line if -P.
6291 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6293 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6295 * c-parse.in (finish_parse): Use cpp_errors.
6296 (__yylex): Use return value of cpp_pop_buffer.
6297 * cp/lex.c (finish_parse): Use cpp_errors.
6298 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6300 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6302 * README.AVR: URLs corrected.
6304 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6306 * c-decl.c (start_function): Don't warn if old prototype is builtin
6307 that's not in C's namespace.
6308 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6309 (_bb): Add prototype for ctime.
6310 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6312 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6314 * i386.c (ix86_fp_comparison_arithmetics_cost,
6315 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6316 ix86_fp_comparison_cost): New functions.
6317 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6318 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6319 two-branch sequences; make static.
6320 (ix86_use_fcomi_compare): Do decision according to the costs.
6321 (split_fp_branch): New.
6322 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6323 * i386-protos.h (ix86_expand_fp_compare): Remove
6324 (ix86_split_fp_branch): Declare.
6326 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6327 and ix86_comparison_operator.
6329 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6332 * i386.c (put_condition_code): Output properly the unordered/ordered
6333 compares in fp case.
6334 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6336 * tm.texi (REVERSE_CONDITION): Document.
6337 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6338 in -ffast-math mode.
6339 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6341 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6343 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6345 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6348 * config/sh/sh.c (mova_p): Fix test for mova_const.
6350 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6352 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6353 cpp_get_options rather than dereferencing pfile and using
6355 * scan-decls.c (scan_decls): Use return value of
6356 cpp_pop_buffer rather than CPP_BUFFER.
6358 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6360 * cppinit.c (cpp_handle_option): help_only is now part of the
6361 cpp_options structure.
6362 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6363 cpp_set_callbacks): New functions.
6364 * cpplib.h (cpp_callbacks): Break out as a named structure.
6365 (cpp_options): Move help_only here from cpp_reader.
6366 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6367 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6368 cpp_set_callbacks): New prototypes.
6369 * cppmain.c (main): Update for help_only.
6371 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6373 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6374 Also build and remove and install and uninstall c-tree.info and
6376 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6377 ($(srcdir)/cppinternals.info): New target.
6378 * c-tree.texi: Change file name used when makeinfo used without -o
6379 from ir.info to c-tree.info. Add info directory entry.
6380 * cppinternals.texi: Add info directory entry.
6381 * .cvsignore: Update.
6383 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6385 * c-typeck.c (store_init_value): Don't require constant initializer
6386 elements with -pedantic -std=c99.
6387 (digest_init): Change error about non-constant initializer elements
6389 (constructor_range_end): Remove.
6390 (constructor_incremental, designator_depth,
6391 designator_errorneous): New variables.
6392 (struct constructor_stack): Remove range_end, add incremental.
6393 (struct constructor_range_stack, constructor_range_stack): New.
6394 (struct initializer_stack): Add constructor_range_stack.
6395 (finish_init): Set it.
6396 (start_init): Likewise. require_constant_elements for non-static
6397 trees only if not flag_isoc99.
6398 (really_start_incremental_init): Remove constructor_range_end, add
6399 constructor_incremental.
6400 (pop_init_level): Likewise.
6401 (push_init_level): Likewise. If implicit and the subobject had some
6402 value set already, preinitialize the level with it.
6403 Warn about missing braces only if not pushing due to designators.
6404 (set_designator, push_range_stack): New functions.
6405 (set_init_label): Use them.
6406 (set_init_index): Likewise. Remove constructor_range_end.
6407 Error if designator index is outside of array bounds.
6408 (add_pending_init): Compare values of purpose index trees, not the
6409 trees themselves. Allow overwriting of already initialized element.
6410 Issue a warning if it had side-effects.
6411 (set_nonincremental_init, set_nonincremental_init_from_string): New
6413 (pending_init_member): Rename to...
6414 (find_init_member): ...this function. Call set_nonincremental_init
6415 if necessary. Compare values of purpose index trees, not the trees
6416 themselves. Return the actual value, not just non-zero if something
6418 (output_init_element): Remove checks for duplicates.
6419 If field has zero size, only check the initializer for correctness.
6420 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6421 if constructor_incremental is zero. Change error about initializers
6422 not computable at load time into pedwarn.
6423 (output_pending_init_elements): Compare bit positions, not
6424 FIELD_DECLs to take into account zero-sized fields.
6425 (process_init_element): Use constructor_range_stack to fill all
6426 ranges in the designator lists from current level up.
6427 * extend.texi: Update documentation for labeled elements.
6429 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6431 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6432 to function usage for arguments passed by reference. Optimize
6433 callee-copied arguments.
6434 * regmove.c (replace_in_call_usage): New function.
6435 (fixup_match_1): Call it.
6436 * cse.c (cse_insn): Canonicalize registers in function usage.
6437 * reload1.c (replace_pseudos_in_call_usage): New function.
6440 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6443 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6445 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6448 2001-01-12 DJ Delorie <dj@redhat.com>
6450 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6451 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6454 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6456 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6457 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6458 -std options alongside references to -ansi. Update some
6459 documentation for C99.
6460 * cpp.1: Regenerate.
6462 2001-01-12 Andreas Jaeger <aj@suse.de>
6464 * haifa-sched.c (restore_line_notes): Remove argument block B
6466 * sched-ebb.c (schedule_ebb): Change caller.
6467 * sched-rgn.c (schedule_region): Likewise.
6468 * sched-int.h (restore_line_notes): Adjust prototype.
6470 * loop.h: Remove wrong declaration of doloop_condition_get.
6472 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6474 * extend.texi: Move C++-extension-related node from the C section
6475 into the C++ section.
6477 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6479 * extend.texi: Refer to an array of pointers to functions instead
6480 of one of functions.
6482 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6483 Jan Hubicka <jh@suse.cz>
6485 * combine.c (reversed_comparison): Fix typo in last patch.
6487 (combine_reversed_comparison_code): Make static to follow
6488 prototype declaration.
6490 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6492 * install.texi: Remove misplaced duplicate entry.
6494 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6496 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6498 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6500 * final.c: (leaf_function_p): Fix typo.
6502 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6504 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6505 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6507 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6508 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6509 mmap_anon, and valloc is available.
6510 * ggc-page.c: Restructure ifdef logic to match new autoconf
6511 spec. Don't throw away the test page in init_ggc.
6513 * configure, config.in: Regenerate.
6515 2001-01-12 Michael Hayes <mhayes@redhat.com>
6517 * loop.h (total_biv_increment): Constify iv_class pointer.
6518 (struct induction): Replace `mem_mode' with `mem' rtx.
6519 * unroll.c (total_biv_increment): Constify iv_class pointer.
6520 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6521 (find_mem_givs, combine_givs_p): Likewise.
6522 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6524 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6526 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6528 (__gthread_getspecific): Ditto.
6530 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6532 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6533 put_condition_code): Convert fp comparison codes to integer
6535 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6538 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6539 * i386-protos.h (no_comparison_operator): Kill.
6541 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6543 * combine.c (REVERSIBLE_CC_MODE): Remove.
6544 (reversible_comparison_p): Remove.
6545 (combine_reversed_comparison_code): New.
6546 (reversed_comparison): New.
6547 (combine_simplify_rtx): Use
6548 combine_reversed_comparison_code/reversed_comparison instead
6549 of reversible_comparison_p.
6550 (simplify_if_then_else): Likewise.
6551 (simplify_set): Likewise.
6552 (simplify_logical): Likewise.
6553 (if_then_else_cond): Likewise.
6554 (known_cond): Likewise.
6555 (simplify_comparison): Likewise.
6557 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6559 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6560 sizeof (int) is larger than sizeof(__word__).
6562 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6564 * cppinit.c (do_includes): Fix typo.
6566 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6568 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6569 in S_REGS does not occur because not all sources are possible
6570 when a S_REGS is a destination (sometimes needs a clobber).
6571 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6572 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6573 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6574 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6575 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6576 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6577 (lshrdi_const1, lshrsi3_const16): Likewise.
6578 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6579 (*movhi_68hc12, *movqi_68hc12): Likewise.
6580 (movstrictqi): Make sure reloading in D_REGS as a destination
6583 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6585 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6587 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6589 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6590 -D, -U and -A, and don't initialize the builtins.
6591 (do_includes): Error if -include or -imacros with -fpreprocessed.
6592 * cppmain.c (cb_define, cb_undef): Unconditionally process
6594 * tradcpp.c (main): Fix typo.
6596 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6598 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6599 (read_name_map): Use IS_ABSOLUTE_PATH.
6600 * tradcpp.c (get_filename): Likewise.
6602 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6604 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6605 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6606 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6607 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6608 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6609 (cmphi_z_used): Don't use '@' for the output.
6610 (tstqi_z_used): Likewise.
6611 (cmpqi_z_used): Likewise.
6612 (one_cmplsi2): Likewise.
6614 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6616 * config/sh/sh.c (barrier_align): Recognize branch around far
6617 branch and redundant insn.
6619 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6621 * invoke.texi: Restore documentation of the drivers' switches -MD
6624 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6626 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6628 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6629 check-objc//%): Support parallel testing of multilibs.
6630 (TESTSUITEDIR): Set to testsuite by default, but override for
6632 (check-gcc, check-g++, check-g77, check-objc): Enter
6635 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6637 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6638 * sched-deps.c (deps_may_trap_p): Likewise.
6639 * basic-block.h: Remove a comment.
6640 * flow.c (PROP_POSTRELOAD): Remove.
6641 (update_life_info): Don't add it to prop_flags.
6642 (mark_set_1): Lose the code that was enabled by it.
6644 2001-01-11 Michael Hayes <mhayes@redhat.com>
6646 * flow.c (flow_call_edges_add): New.
6647 * basic_block.h (flow_call_edges_add): New.
6649 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6651 * reload1.c (move2add_note_store): Update reg_set_luid even if
6652 base reg remains the same.
6654 2001-01-10 Nick Clifton <nickc@redhat.com>
6656 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6657 machine_function structure to zero.
6658 Add prototypes for machine_status functions.
6660 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6662 * c-common.h (CTI_VOID_LIST): Remove.
6663 (void_list_node): Likewise.
6664 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6665 (void_list_node): New macro.
6666 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6667 * config/i386/i386.c (ix86_init_builtins): Likewise.
6668 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6670 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6672 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6673 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6675 * tradcpp.c: Include mkdeps.h.
6676 (deps, print_deps_phony_targets, deps_append, output_deps,
6677 init_dependency_output, output_deps): New.
6678 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6679 deps_output): Delete.
6680 (print_deps_missing_files): Rename deps_missing_files.
6681 (inhibit_output): Make global.
6682 (main): Delete inhibit_output, deps_stream, deps_target.
6683 Use mkdeps functionality in the same way as cpplib. Remove
6684 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6685 -M and -MM. Remove old handling of deps via deps_out, and
6686 old reading of environment variables.
6687 (get_filename): Update to use deps_add_dep.
6689 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6691 * output.h (make_function_rtl): Remove prototype.
6692 (make_decl_rtl): Likewise.
6693 * varasm.c (make_function_rtl): Remove.
6694 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6695 than from a third parameter.
6696 * tree.h (make_decl_rtl): Remove last parameter.
6697 * c-decl.c (builtin_function): Remove last argument in call to
6698 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6699 (start_function): Likewise.
6700 * except.c (call_get_eh_context): Likewise.
6701 * expr.c (emit_block_move): Likewise.
6702 (clear_storage): Likewise.
6703 * profile.c (output_func_start_profiler): Likewise.
6704 * toplev.c (rest_of_decl_compilation): Likewise.
6705 * objc/objc-act.c (create_builtin_decl): Likewise.
6706 (synth_module_prologue): Likewise.
6707 (generate_static_reference): Likewise.
6708 (build_selector_reference_decl): Likewise.
6709 (build_class_reference_decl): Likewise.
6710 (build_objc_string_decl): Likewise.
6711 (build_protocol_reference): Likewise.
6713 2001-01-10 Richard Henderson <rth@redhat.com>
6715 * hwint.h: Revert yesterday's change.
6717 2001-01-10 Nick Clifton <nickc@redhat.com>
6719 * function.h (save_machine_status): Delete.
6720 (restore_machine_status): Delete.
6721 Amend comment describing {init|mark|free}_machine_status.
6723 * function.c (save_machine_status): Delete.
6724 (restore_machine_status): Delete.
6725 Amend comment describing {init|mark|free}_machine_status.
6726 (push_function_context_to): Remove invocation of
6727 save_machine_status.
6728 (pop_function_context_from): Remove invocation of
6729 restore_machine_status.
6731 * emit-rtl.c (init_emit_once): Amend comment describing
6732 {init|mark|free}_machine_status.
6734 * tm.texi (Per-Function Data): New node. Describe the
6735 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6738 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6740 * cppinit.c (OPT_g): Remove.
6741 (cpp_handle_option): Update for removed -g3.
6742 (print_help): Update.
6743 * cpplib.h (struct cpp_options): Remove debug_output.
6744 * cppmain.c (setup_callbacks, cb_define): Update.
6745 * gcc.c (cpp_options): Translate -g3 to -dD.
6747 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6749 * config/i960/i960.md: Change modifier to + on the zero_extract
6750 pattern after the (rotate -2 reg) canonicalization pattern.
6752 2001-01-10 Richard Henderson <rth@redhat.com>
6754 * config/alpha/alpha.c (alpha_free_machine_status): New.
6755 (override_options): Install it.
6756 (alpha_mark_machine_status): Verify machine non-null.
6757 * config/i386/i386.c (ix86_free_machine_status): New.
6758 (override_options): Install it.
6759 (ix86_init_machine_status): Use xcalloc.
6760 (ix86_mark_machine_status): Verify machine non-null.
6761 * config/ia64/ia64.c (ia64_free_machine_status): New.
6762 (ia64_override_options): Install it.
6763 (ia64_mark_machine_status): Verify machine non-null.
6765 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6767 * function.c (instantiate_virtual_regs): Instantiate virtual
6768 registers found in CALL_INSN_FUNCTION_USAGE.
6770 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6772 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6773 equivalent to -ansi in disabling -Di386.
6775 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6777 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6779 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6781 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6783 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6785 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6787 * invoke.texi: Document that -fcond-mismatch isn't supported for
6790 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6792 * gcc.texi: Define macro gcctabopt.
6793 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6794 @command, @env and @option in some places where appropriate. Use
6795 @gcctabopt where appropriate. Put URLs and email addresses inside
6798 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6800 * gcc.c (cpp_options): Set MD file name from output
6801 filename, if specified.
6802 (suffix_subst): New static variable.
6803 (do_spec): Clear it.
6804 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6806 (give_switch): Handle suffix_subst.
6808 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6810 * invoke.texi: Fix another typo.
6812 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6814 * invoke.texi: Fix typo.
6816 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6818 * c-lang.c (lang_hooks): Update.
6819 (lang_decode_option): Remove.
6820 (lang_init_options): Rename c_init_options.
6821 * toplev.c (main): Use lang_hooks for lang_init_options
6822 and lang_decode_option.
6823 * toplev.h (lang_hooks): Add 2 new hooks.
6824 * tree.h: Remove lang_init_options and lang_decode_option.
6825 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6826 * cp/decl2.c: Similarly.
6827 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6828 (lang_hooks): Update.
6829 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6831 (lang_init_options): Rename ffe_init_options.
6832 (lang_hooks): Update.
6833 (lang_decode_option): Remove.
6834 * java/lang.c (lang_init_options): Rename java_init_options.
6835 (lang_decode_option): Rename java_decode_option.
6836 (lang_hooks): Update.
6837 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6838 (lang_decode_option): Rename objc_decode_option.
6839 (lang_hooks): Update.
6841 2001-01-09 Nick Clifton <nickc@redhat.com>
6843 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6844 (d30v_return_addr_rtx): Delete.
6845 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6846 cfun->machine structure.
6847 (struct machine_function): Move to d30v.h
6848 (d30v_save_machine_status): Delete.
6849 (d30v_restore_machine_status): Delete.
6850 (d30v_init_machine_status): New Function.
6851 (d30v_mark_machine_status): New Function.
6852 (d30v_free_machine_status): New Function.
6853 (d30v_init_expanders): Use new functions.
6854 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6855 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6856 d30v_return_addr_rtx.
6858 * config/d30v/d30v.h (struct_machine): Move here.
6859 Add eh_epilogue_sp_ofs field.
6861 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6862 field in cfun->machine structure.
6864 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6866 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6867 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6868 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6870 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6872 * objc/lang-options.h: Remove bogus reference to
6875 2001-01-09 Kazu Hirata <kazu@hxi.com>
6877 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6880 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6882 * reload.c (find_reloads_address): Check for eliminable registers
6883 when substituting a constant expression for a pseudo.
6885 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6887 * c-common.c (enum format_type): Add format_type_error.
6888 (decode_format_type): New function.
6889 (decl_attributes): Use it.
6890 (format_kind_info): Adjust comment.
6892 2001-01-09 David O'Brien <obrien@BSDi.com>
6894 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6895 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6897 * config/i386/gnu.h: Don't include required platform specific .h files,
6898 tm.h will do it instead.
6899 * config/i386/i386elf.h: Likewise.
6900 * config/i386/linux.h: Likewise.
6901 * config/i386/moss.h: Likewise.
6902 * config/mips/gnu.h: Likewise.
6904 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6906 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6907 (rs6000-ibm-aix3.[01]*): Likewise.
6908 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6909 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6910 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6911 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6912 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6913 (powerpc-*-eabiaix*): Likewise.
6914 (powerpc-*-eabisim*): Likewise.
6915 (powerpc-*-elf*): Likewise.
6916 (powerpc-*-eabi*): Likewise.
6917 (powerpc-*-rtems*): Likewise.
6918 (powerpc-*-linux*libc1): Likewise.
6919 (powerpc-*-linux*): Likewise.
6920 (powerpc-wrs-vxworks*): Likewise.
6921 (powerpcle-wrs-vxworks*): Likewise.
6922 (powerpcle-*-sysv*): Likewise.
6923 (powerpcle-*-elf*): Likewise.
6924 (powerpcle-*-eabisim*): Likewise.
6925 (powerpcle-*-eabi*): Likewise.
6926 (powerpcle-*-solaris2*): Likewise.
6927 * config/rs6000/aix31.h: Delete includes.
6928 * config/rs6000/aix3newas.h: Likewise.
6929 * config/rs6000/aix41.h: Likewise.
6930 * config/rs6000/aix43.h: Likewise.
6931 * config/rs6000/beos.h: Likewise.
6932 * config/rs6000/rtems.h: Likewise.
6933 * config/rs6000/sysv4.h: Likewise.
6935 2001-01-09 Kazu Hirata <kazu@hxi.com>
6937 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6938 Change an argument mode of machine_mode to shift_mode of
6939 shift_mode. Remove an extra error check.
6940 (emit_a_shift): Adopt to the new calling prototype of
6942 (function_prologue): Fix code for a monitor
6943 function. Support H8/S.
6944 (function_epilogue): Do not output pop for a monitor function.
6946 2001-01-09 Nick Clifton <nickc@redhat.com>
6948 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6949 (setup_incoming_varargs): Use sysv_varargs_p field of the
6950 cfun->machine structure.
6951 (struct machine_function): Move to rs6000.h
6952 (rs6000_save_machine_status): Delete.
6953 (rs6000_restore_machine_status): Delete.
6954 (rs6000_init_machine_status): New Function.
6955 (rs6000_free_machine_status): New Function.
6956 (rs6000_init_expanders): Use new functions.
6958 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6960 (struct machine_function): Move here.
6962 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6963 sysv_varargs_p field of the cfun->machine structure.
6965 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6967 (rs6000_restore_machine_status): Remove prototype.
6969 2001-01-09 Richard Henderson <rth@redhat.com>
6971 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6972 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6973 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6974 (sched_analyze_2, sched_analyze_insn): Likewise.
6975 (sched_analyze, init_deps): Likewise.
6976 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6977 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6978 (compute_block_backward_dependences): Update propagate_deps call.
6980 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6982 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6984 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6986 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6987 (cpp_handle_option): Handle them.
6988 (cpp_post_options): Ensure one of -M or -MM is specified with
6989 any other -M? option.
6990 (init_dependency_output): Suppress output with -MG.
6992 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6995 * invoke.texi: Update.
6997 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6999 * sh.md (reload_outsf): Generate recognizable patterns for
7002 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7004 * c-lang.c (lang_hooks): Update.
7005 (lang_init): Rename c_init.
7006 (lang_finish): Remove.
7007 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7009 * toplev.h (lang_hooks): Add init () and finish ().
7010 * tree.h (lang_init, lang_finish): Remove.
7011 * cp/tree.h (lang_init, lang_finish): Remove.
7012 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7013 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7015 (lang_init, lang_finish): Remove.
7016 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7017 (lang_hooks): Update.
7018 * java/lang.c (lang_init): Rename java_init.
7019 (lang_finish): Remove.
7020 (lang_hooks): Update.
7021 * objc/objc-act.c (lang_init): Rename objc_init.
7022 (lang_finish): Remove.
7023 (lang_hoooks): Update.
7025 20001-01-09 Graham Stott <grahams@redhat.com>
7027 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7028 after `ptr` is initialised.
7030 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7032 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7033 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7034 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7035 stack adjusts, instead of r3.
7037 2001-01-09 Michael Hayes <mhayes@redhat.com>
7039 * flow.c (flow_loop_scan): Break out of ...
7040 (flow_loops_find) ... here.
7041 * basic-block.h (flow_loop_scan): New.
7042 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7043 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7045 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7047 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7049 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7050 realloc()ing macro_buffer.
7052 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7053 if it's wider than long and the target's long is wider than the
7056 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7058 Remove support for using UWIN as a host machine.
7059 * configure.in: Issue an error message.
7060 * configure: Regenerated.
7061 * config.gcc: Remove xm_* UWIN configury.
7062 * config/i386/xm-uwin.h: Remove.
7064 2001-01-08 Nick Clifton <nickc@redhat.com>
7066 * config/v850/v850.c (ra_rtx): Delete.
7067 (v850_save_machine_status): Delete.
7068 (v850_restore_machine_status): Delete.
7069 (v850_init_machine_status): New function.
7070 (v850_mark_machine_status): New function.
7071 (v850_free_machine_status): New function.
7072 (v850_return_addr): Use ra_rtx field in machine structure.
7073 (v850_init_expanders): Use new functions.
7075 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7076 * config/v850/v850.c: Change arguments to v850_output+* functions
7077 to take a const char *, to avoid compile time warning.
7078 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7079 (USER_LABEL_PREFIX): Redefine.
7081 2000-01-08 Jim Wilson <wilson@redhat.com>
7083 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7084 1 to unsigned HOST_WIDE_INT before left shift.
7086 2001-01-08 Nick Clifton <nickc@redhat.com>
7088 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7089 the machine structure has been allocated.
7090 (arm_free_machine_status): New function: Free the machine
7091 specific function structure.
7093 2001-01-08 Richard Henderson <rth@redhat.com>
7095 * jump.c (simplejump_p): Revert last change.
7097 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7099 * cppinit.c (init): Rename init_library.
7100 (cpp_create_reader): Update.
7101 * gcc.c (cpp_options): If -o given, use it as the target of
7104 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7106 * arm.c (arm_arch5e): New variable.
7107 (all_cores): XScale is a 5TE device.
7108 (arm_override_options): Set arm_arch5e.
7109 (arm_init_builtins): __builtin_prefetch is in arch5e.
7110 * arm.h (arm_arch5e): Declare it.
7112 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7114 * arm.md (define_constants): Add defines for UNSPEC and
7115 UNSPEC_VOLATILE insns. Update all users.
7116 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7117 * arm.c (multi_register_push, note_invalid_constants)
7118 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7119 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7120 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7122 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7124 * jump.c (jump_optimize_1): Use reversed_comparison_code
7125 instead of can_reverse_comparison_p.
7126 (jump_back_p): Likewise.
7127 (invert_exp_1): Likewise.
7128 (thread_jumps): Likewise.
7129 * simplify-rtx.c (simplify_unary_operation): Likewise.
7130 (simplify_ternary_operation): Likewise.
7131 * cse.c (find_comparison_args): Convert to use
7132 can_reverse_comparison_p.
7133 (record_jump_equiv): Likewise.
7135 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7137 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7138 (EPILOGUE_USES): Define.
7139 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7140 automatically stack the LR if it isn't live.
7142 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7144 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7147 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7149 * ggc-page.c (max_alignment): New structure.
7150 (MAX_ALIGNMENT): New macro.
7151 (init_ggc): Use it to round up the sizes in the
7152 extra_order_size_table.
7154 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7156 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7159 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7161 * builtins.def (BUILT_IN_FPRINTF): New entry.
7163 * c-common.c (c_expand_builtin_fprintf): New function.
7164 (init_function_format_info): Handle __builtin_fprintf.
7165 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7166 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7168 * c-decl.c (duplicate_decls): Adjust comment.
7170 * extend.texi (fprintf): Document new builtin.
7172 2001-01-07 Richard Henderson <rth@redhat.com>
7174 * jump.c (simplejump_p): Recognize any single_set jump
7177 2001-01-07 Richard Henderson <rth@redhat.com>
7179 * configure.in (slibdir): Accept an --with-slibdir option.
7180 Use "test" not "[" in configure. Default to $(libdir).
7182 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7184 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7185 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7186 (SHLIB_LINK): Create links for the soname.
7187 * config/mips/t-iris6: Likewise.
7188 * config/sparc/t-slibgcc: Likewise.
7189 * config/sparc/t-slibgcc-sld: Likewise.
7191 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7193 * config/i386/i386.c (constant_call_address_operand): Accept
7194 (const (plus (symbol_ref) (const_int))).
7195 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7196 constant_call_address_operand.
7198 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7200 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7201 and LONG_LONG_TYPE_SIZE > 32.
7203 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7205 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7206 the previous change.
7208 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7210 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7212 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7213 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7214 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7217 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7219 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7221 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7223 * c-lang.c (c_post_options): Call cpp_post_options.
7224 * objc/objc-act.c (objc_post_options): Similarly.
7225 * cppmain.c (main): Similarly.
7226 * fix-header.c (read_scan_file): Similarly.
7227 * cppinit.c (cpp_start_read): Move option consistency checks
7228 to cpp_post_options. Don't call init_dependency_output.
7229 If needed, add default target and main file dependency.
7230 (OPT_MD, OPT_MMD): Remove.
7232 (cpp_handle_option): Update for OPT_* changes.
7233 (cpp_post_options): New.
7234 (init_dependency_output): Command line -MF overrides environment
7235 variables. Don't set default target etc. Suppress output
7236 if dependencies are going to stdout.
7237 (print_help): Update.
7238 * cpplib.h (cpp_post_options): New.
7239 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7241 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7243 * jump.c (comparison_dominates_p): Support unordered compares.
7245 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7247 * simplify-rtx.c (simplify_relational_operation): Always simplify
7248 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7251 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7253 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7254 (nonzero_bits): Likewise.
7255 (simplify_comparison): Likewise.
7256 (num_sign_bit_copies): Likewise; return more sane value depending
7257 on STORE_FLAG_VALUE.
7258 (known_cond): Do not assume EQ to be always true for equivalent
7261 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7263 * cse.c (fold_rtx): Handle unordered comparisons.
7265 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7267 * rtlanal.c (set_of_1): New static function.
7268 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7269 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7270 reg_set_last_last_regno): Remove.
7271 (set_of): New global function.
7272 (set_of_data): New structure.
7273 (reg_set_p, reg_set_last): Revamp for set_of.
7274 * rtl.h (set_of): New.
7276 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7278 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7279 * extend.texi: Document _Exit builtin.
7281 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7283 * (initialize, initialize_builtins,
7284 initialize_dependency_output, initialize_standard_includes):
7285 Rename s/initialize/init. Update.
7286 (init_dependency_output): Move to after
7287 cpp_handle_options, the correct location temporally at least.
7288 (opt_comp): Move next to init (), its caller. Fix prototype.
7289 (init): Make "initialized" local scope.
7290 (cpp_create_reader): Always call init ().
7291 (cpp_start_read): Update.
7292 (output_deps): New function, broken out of cpp_finish.
7293 (cpp_finish): Break out output_deps.
7295 2001-01-07 Richard Henderson <rth@redhat.com>
7297 * collect2.c (COFF specific stuff): Revert 12-06 patch
7298 to prototype system functions.
7300 2001-01-07 Michael Hayes <mhayes@redhat.com>
7302 * hard-reg-set.h: Add multiple include guard.
7303 * basic-block.h (struct loop): Add `sink' field.
7304 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7305 (emit_iv_add_mult): Delete.
7306 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7307 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7308 (unroll_loop): Remove end_insert_before argument.
7309 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7310 (maybe_eliminate_biv_1): Likewise.
7311 (emit_iv_add_mult): Delete.
7312 (gen_add_mult, loop_regs_update): New.
7313 (loop_insn_emit_after, loop_insn_emit_before): New.
7314 (loop_insn_sink, loop_insn_sink_or_swim): New.
7315 (emit_iv_add_mult): Delete.
7316 (scan_loop): Set loop->sink.
7317 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7318 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7319 (maybe_eliminate_biv_1): Likewise.
7320 (maybe_eliminate_biv_1): Add basic block argument.
7321 * unroll.c (unroll_loop): Remove end_insert_before argument.
7322 (find_splittable_regs): Likewise.
7323 (find_splittable_regs): Use loop_insn_sink and its ilk.
7324 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7326 2001-01-07 Michael Hayes <mhayes@redhat.com>
7328 * loop.h (loop_insn_hoist): New prototype.
7329 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7330 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7331 (check_dbra_loop, load_mems): Likewise.
7332 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7333 (find_splittable_givs): Likewise.
7335 2001-01-07 Michael Hayes <mhayes@redhat.com>
7337 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7339 2001-01-07 Richard Henderson <rth@redhat.com>
7341 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7343 2001-01-07 Richard Henderson <rth@redhat.com>
7345 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7346 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7347 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7348 variant that handles a shared libgcc.
7349 (process_command): Always validate -{static,shared}-libgcc.
7350 (do_spec_1): New 'M' case.
7351 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7353 2001-01-07 Richard Henderson <rth@redhat.com>
7355 * Makefile.in (slibdir): New variable.
7356 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7357 (installdirs): Create slibdir.
7358 (install-libgcc, install-multilib): Defer to libgcc.mk.
7359 * configure.in (slibdir): Substitute.
7360 * mklibgcc.in (install): New target.
7362 * config/t-linux (SHLIB_LINK): Create links for the soname.
7363 (SHLIB_INSTALL): New.
7364 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7365 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7366 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7367 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7368 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7370 2001-01-07 Richard Henderson <rth@redhat.com>
7372 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7373 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7374 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7376 2001-01-07 Michael Hayes <mhayes@redhat.com>
7378 * loop.c (count_loop_regs_set): Delete.
7379 (load_mems_and_recount_loop_regs_set): Delete.
7380 (loop_regs_scan): Merge common code from count_loop_regs_set,
7381 scan_loop, and load_mems_and_recount_loop_regs_set.
7382 (scan_loop): Call load_mems directly and loop_regs_scan
7383 again if new registers created.
7385 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7387 * toplev.c (main): Call the front-end specific post_options
7388 hook if one is given.
7389 * toplev.h (struct_lang_hooks, lang_hooks): New.
7390 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7391 for the C front end.
7392 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7393 lang_hooks for the C++ front end.
7394 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7395 lang_hooks for the ObjC front end.
7396 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7397 * java/lang.c (lang_hooks): Hooks for the Java front end.
7399 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7401 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7402 for verbose DWARF[2] debugging.
7403 (cb_define, cb_undef): The new callbacks.
7404 * toplev.h (debug_define, debug_undef): Make const correct.
7405 * toplev.c (debug_define, debug_undef): Similarly. Do not
7406 perform the verbosity tests here anymore.
7408 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7410 * reload.c (subst_reloads): Take INSN argument. When
7411 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7412 * reload.h (subst_reloads): Adjust prototype.
7413 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7414 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7415 present in JUMP_INSNs and copy them to JUMP_LABEL.
7416 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7417 JUMP_INSNs and insns with REG_LABELs that are followed by
7418 JUMP_INSNs with the same REG_LABEL.
7419 * sched-rgn.c (is_cfg_nonregular): Likewise.
7420 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7422 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7424 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7426 2001-01-06 Richard Henderson <rth@redhat.com>
7428 * loop.c (scan_loop): Use xcalloc for the regs array.
7429 (load_mems_and_recount_loop_regs_set): Zero the new memory
7430 received from xrealloc.
7432 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7434 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7436 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7438 * integrate.c (copy_rtx_and_substitute): When copying
7439 an ignored return value, strip REG_FUNCTION_VALUE_P.
7441 2001-01-06 Michael Hayes <mhayes@redhat.com>
7443 * loop.c (debug_biv, debug_giv): New.
7444 (loop_biv_dump): Break out from ...
7445 (record_biv): ... here.
7446 (loop_giv_dump): Break out from ...
7447 (record_giv): ... here.
7448 (loop_bivs_check): Use print_simple_rtl.
7449 * unroll.c (loop_iterations): Use print_simple_rtl.
7451 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7453 * pa.md (return, return_internal): Modify patterns to prevent regrename
7454 mucking with the return pointer.
7456 2001-01-05 Richard Henderson <rth@redhat.com>
7458 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7460 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7462 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7463 version supplied by Matteo Frigo.
7465 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7467 * cpp.texi: Update for -MQ.
7468 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7469 (cpp_cleanup): Always free pfile->deps.
7470 (initialize_dependency_output): Don't create pfile->deps.
7471 (cpp_handle_option): Similarly.
7473 * gcc.c (cpp_options): Handle -MQ.
7474 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7475 * mkdeps.c (base_name): Remove.
7476 (deps_init): Don't allocate vector space until it's needed.
7477 (deps_free): Only free vectors if allocated.
7478 (deps_add_target, deps_add_dep): Update for initial allocation.
7479 (deps_add_default_target): Don't strip to the base_name.
7481 2001-01-05 DJ Delorie <dj@redhat.com>
7483 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7484 (INIT_EXPANDERS): Define.
7486 * config/v850/v850.c (struct machine_function): Define.
7487 (v850_save_machine_status): New function.
7488 (v850_restore_machine_status): New function.
7489 (v850_return_addr): New function.
7490 (v850_init_expanders): New function.
7492 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7493 and v850_init_expanders.
7495 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7497 * cpplib.h (struct cpp_reader): Add help_only field.
7498 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7499 (cpp_handle_option): Set pfile->help_only if we see -h,
7500 --help, -target-help, or --version. Print version string but
7501 do not set help_only if we see -v or -version. Make text
7502 printed by -v match that printed by (-)-version.
7504 * cppmain.c (main): Exit after option parsing if
7505 pfile->help_only is true.
7507 * toplev.c (independent_decode_option): Call print_version,
7508 then exit, if we see --version (but not -version).
7509 (print_version): Split lengthy message into two lines.
7511 2001-01-05 Nick Clifton <nickc@redhat.com>
7513 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7514 temporary string for initialisation before calling ggc_alloc_string.
7516 2001-01-06 Michael Hayes <mhayes@redhat.com>
7518 * rtl.h (print_simple_rtl): New.
7519 * print-rtl.c (print_simple_rtl): New.
7521 (print_rtx): Disable printing of flags and modes, etc.,
7522 if `flag_simple` nonzero.
7524 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7526 * function.c (fixup_var_refs): Use push_to_full_sequence where
7529 2001-01-05 Michael Meissner <meissner@redhat.com>
7531 * flags.h (flag_reorder_blocks): Add declaration.
7532 (flag_rename_block): Ditto.
7534 2001-01-05 DJ Delorie <dj@redhat.com>
7536 * function.c (reorder_blocks): Make sure the flags are all reset
7537 before using them to mark blocks, else a second invocation will
7538 corrupt the block chain.
7539 (reorder_blocks_0): New, resets the flags.
7541 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7543 * cse.c (find_comparison_args): Stop if the argument is known to
7546 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7548 * config/sh/sh.md (movdf): When splitting load into pair of
7549 registers, don't clobber the register used in the address too
7552 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7554 * varasm.c (mark_constant_pool): Improve initial comments.
7555 (mark_constants): Move marking of constants to mark_constant.
7556 (mark_constant): New function to recursively mark all constants
7557 referred to by a constant.
7559 2001-01-05 Catherine Moore <clm@redhat.com>
7561 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7563 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7565 * cp/lang-options.h: Bring comment in line with reality.
7566 * f/lang-options.h: Likewise.
7567 * java/lang-options.h: Likewise.
7568 * objc/lang-options.h: Likewise.
7569 * ch/lang-options.h: Likewise.
7570 * f/g77.texi: And update the manual.
7572 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7573 Denis Chertykov <denisc@overta.ru>
7575 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7576 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7577 * config/avr/avr.md (all peepholes that request a scratch register):
7578 Call it, FAIL the peephole if not safe (in interrupt functions).
7580 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7582 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7584 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7586 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7588 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7589 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7590 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7591 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7592 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7594 * extend.texi: Document these builtins.
7596 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7598 * c-common.c (lang_get_alias_set): Say we know nothing of
7599 VECTOR_TYPE aliasing.
7601 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7603 2001-01-05 Bruce Korb <bkorb@gnu.org>
7605 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7606 their x* equivalent versions for atexit-less systems
7607 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7608 systems (or any other system any more).
7610 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7612 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7613 output operands. Use arm_hard_register_operand for operand 4.
7614 (stmsi_postinc): Similarly.
7615 (ldmsi): Use arm_hard_register_operand for opernand 2.
7617 * arm.c (arm_hard_register_operand): New function.
7618 * arm-protos.h (arm_hard_register_operand): Prototype it.
7620 * arm.h (HARD_REGNO_RENAME_OK): Define.
7622 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7624 * simplify-rtx.c (cfc_args): add "unordered" field.
7625 (check_fold_consts): Set unordered field.
7626 (simplify_relational_operation): Simplify the unordered
7629 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7632 * emit-rtl.c (try_split): Fix code to mark labels.
7633 * jump.c (mark_jump_label): Make global.
7634 * rtl.h (mark_jump_label): Declare.
7636 * predict.c (estimate_probability): Handle unordred comparisons.
7638 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7640 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7641 * cppinit.c (initialize_dependency_output): Update.
7642 (cpp_finish): Output dummy targets for -MP.
7644 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7645 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7646 * gcc.c (cpp_options): Update to handle -MP.
7647 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7648 to quote only the default target.
7649 (deps_phony_targets): Insert a preceding newline. Rename from
7650 deps_dummy_targets for consistency.
7653 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7655 * calls.c (emit_library_call_value_1): Support
7656 INIT_CUMULATIVE_LIBCALL_ARGS.
7657 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7659 2001-01-04 Richard Henderson <rth@redhat.com>
7661 * c-decl.c (finish_struct): Detect flexible array members
7662 used in an inappropriate context.
7663 * c-typeck.c (really_start_incremental_init): Special case
7664 constructor_max_index for zero length arrays.
7665 (pop_init_level): Allow initialization of flexible array
7666 members. Deprecate initialization of zero length arrays.
7667 Don't issue missing initializer warning for flexible array
7668 members or zero length arrays.
7669 (process_init_element): Don't dereference null DECL_SIZE.
7670 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7671 Don't abort for empty constructors. Use size_binop
7672 (output_constructor): Add commentary regarding zero length
7673 array futures. Abort if we try to initialize an array of
7674 unspecified length with a non-empty constructor in the middle
7677 * extend.texi (Zero Length): Update and clarify documentation
7678 on static initialization.
7680 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7682 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7683 with more than 32767 words of local storage.
7685 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7687 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7688 for 'abs', 'labs', and 'fabs'.
7689 (c4x_expand_builtin): Likewise.
7690 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7692 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7694 * config/sh/sh.md (prget, prset): New insn types.
7695 (return delay slot): Dont' allow prset.
7696 (call, sfunc delay slot): Don't allow prget.
7697 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7698 for prset and prget.
7700 2001-01-05 Michael Hayes <mhayes@redhat.com>
7702 * loop.h (struct loop_reg): New.
7703 (struct loop_regs): Change to use array of `struct loop_reg'.
7704 * loop.c: Replace assortment of varrays with single regs array.
7705 (count_one_set): Delete may_not_move array argument
7706 and use regs array instead. All caller's changed.
7707 (count_loop_regs_set): Delete may_not_move and single_usage
7708 arguments and use regs array instead. All caller's changed.
7709 (find_single_use_in_loop): Replace usage array argument with pointer
7710 to regs structure. All caller's changed.
7711 (loop_optimize): Delete `moved_once' array.
7713 2001-01-05 Michael Hayes <mhayes@redhat.com>
7715 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7716 Use it instead of loop_info->has_call for scanning loop mems.
7717 (check_dbra_loop): Replace loop_info->has_call test with
7718 loop_info->has_nonconst_call.
7720 2000-01-04 Matthew Hiller <hiller@redhat.com>
7722 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7725 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7727 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7728 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7730 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7732 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7733 (flag_short_double, flag_short_wchar): Define.
7734 (c_common_nodes_and_builtins): Create many tree nodes shared
7735 between C and C++ here instead of in cp/decl.c and ...
7736 * c-decl.c (init_decl_processing): ... here.
7737 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7738 (flag_short_double, flag_short_wchar): Don't define.
7739 (record_builtin_type): New function.
7740 (build_void_list_node): New function.
7741 * c-common.h (flag_short_double, flag_short_wchar,
7742 record_builtin_type, build_void_list_node): Declare.
7744 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7746 * integrate.c (expand_inline_function): Don't put a virtual
7747 register into the reg map.
7749 * function.c (fixup_var_refs_1): If force_operand didn't put
7750 the address into the target, move it there.
7752 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7754 Special-case tree_decl/tree_list allocations.
7755 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7756 (OBJECT_SIZE): New macro.
7757 (NUM_EXTRA_ORDER): Likewise.
7758 (extra_order_size_table): New variable.
7759 (NUM_ORDERS): New macro.
7760 (objects_per_page_table): New variable.
7761 (object_size_table): New variable.
7762 (G.pages): Use NUM_ORDERS to bound the array.
7763 (G.page_tails): Likewise.
7764 (DIV_ROUND_UP): Remove.
7765 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7766 (alloc_page): Use OBJECT_SIZE.
7767 (size_lookup): Don't make it const.
7768 (ggc_alloc): Use OBJECT_SIZE.
7769 (ggc_set_mark): Likewise.
7770 (ggc_get_size): Likewise.
7771 (init_ggc): Set up the object_size_table, objects_per_page_table,
7772 and adjust size_lookup.
7773 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7774 (ggc_pop_context): Use NUM_ORDERS.
7775 (clear_marks): Likewise.
7776 (sweep_pages): Likewise.
7777 (poison_pages): Likewise.
7778 (ggc_print_statistics): Use OBJECT_SIZE.
7780 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7782 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7783 Only call array_size_for_constructor if last field and array type
7784 with no upper bound.
7786 2001-01-04 Philip Blundell <philb@gnu.org>
7788 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7789 from bit 31 downwards, if this requires no more insns.
7790 (count_insns_for_constant): New helper function for above.
7792 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7794 * gencodes.c (output_predicate_decls): Remove empty initializer.
7796 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7798 * tree.c (copy_node): Remove documentation about obstacks.
7799 (buidl1): Check that nobody tries to build 2-argument nodes this
7802 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7804 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7807 * gencodes.c (output_predicate_decls): Fill empty initializer
7810 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7812 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7813 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7815 (do_include): Handle missing headers like cpp0.
7816 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7817 paths with first include pathname. Don't strcat to uninitialized
7820 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7822 * regrename.c (regrename_optimize): Don't rename from frame pointer
7823 if frame_pointer_needed.
7824 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7825 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7826 (ia64_reorg): Use it instead of scheduling if ! optimize.
7827 (errata_emit_nops): Properly call asm_noperands.
7828 (ia64_sched_reorder): Finish cycle if we see an asm.
7829 (ia64_variable_issue): Clear scheduling state after asms.
7831 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7833 * cpp.texi: Update for -MT.
7834 * cppinit.c (initialize_dependency_output): Add a default
7835 target if none has been given already.
7836 (no_tgt, OPT_MT): New.
7837 (cpp_handle_option): Handle -MT. Update -M etc.
7838 * cpplib.h (struct cpp_options): Remove deps_target.
7839 * gcc.c (cpp_options): Handle -MT.
7840 * mkdeps.c (struct deps): Move from mkdeps.h.
7841 (deps_calc_target): Rename deps_add_default_target. Add a
7842 default target if none has been specified already.
7843 * mkdeps.h (struct deps): Move to mkdeps.c.
7844 (deps_calc_target): Rename deps_add_default_target.
7846 2000-01-03 Richard Henderson <rth@redhat.com>
7848 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7850 * c-typeck.c (push_init_level): Move checks for flexible array
7851 members and zero length arrays ...
7852 (pop_init_level): ... here. Silently discard empty initializations.
7854 * varasm.c (output_constructor): Update for sizeof change to
7857 * extend.texi (Zero Length): Clarify semantics.
7859 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7861 * configure.in (tm.h): Include isns-codes.h last.
7862 * configure: Rebuilt.
7864 2001-01-03 Richard Henderson <rth@redhat.com>
7866 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7867 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7869 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7871 * tradcpp.c (main): Make sure finclude() is called with a valid
7872 indepth value while handling -include.
7874 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7876 * gencodes.c (output_predicate_decls): New function.
7878 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7879 even if it is not the first time machmode.h is #included.
7880 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7881 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7882 * gcc.texi (Copyright): Added 2001.
7884 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7886 * c-common.c (c_common_lang_init): New function. Warn if format
7887 warning options which only have effects when used with -Wformat
7888 are used without -Wformat.
7889 * c-common.h (c_common_lang_init): Declare.
7890 * c-lang.c (lang_init): Call c_common_lang_init.
7891 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7893 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7895 * configure.in: Check for the mktemp command.
7896 * configure: Regenerate.
7897 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7898 $TEMP. Create temporary files with mktemp, if available at
7899 configure time; otherwise use set -C. Remove temporary files
7902 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7904 * configure.in: Require at least texinfo 4.0. Check for whether
7905 Pod::Man is sufficiently recent to regenerate GCC manpages.
7906 * configure: Regenerate.
7907 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7909 (GENERATED_MANPAGES): Define.
7910 (generated-manpages): New target. Depend on cpp.1 as well as
7912 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7913 configure to generated-manpages or empty) rather than on the
7914 manpages directly. Remove execute permission from installed
7915 gcov.1 as well as cpp.1.
7916 * cpp.1, gcov.1: Regenerate.
7918 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7920 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7921 tree_low_cst. Allow using cmpstrsi in more cases.
7923 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7925 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7928 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7930 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7931 * Makefile.in (HOST_CFLAGS): Mention build-make.
7933 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7935 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7938 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7940 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7943 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7946 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7947 reg_base_value and reg_known_value arrays.
7948 (init_alias_analysis): Add more cases to detect known values.
7949 * sched-deps.c (deps_may_trap_p): New function.
7950 (sched_analyze_2): Use it.
7952 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7954 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7955 don't discard an ASHIFTRT if we're shifting in a wider mode.
7957 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7959 * toplev.c (rest_of_compilation): Don't print basic block information
7960 when CFG isn't up to date.
7962 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7964 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7965 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7966 (UNALIGNED_SHORT_ASM_OP): Define.
7967 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7969 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7971 * fold-const.c (fold_convert): Fix typo.
7973 2001-01-02 Richard Henderson <rth@redhat.com>
7975 * c-common.h (ASM_INPUT_P): New.
7976 * c-parse.in (asm): Set it when needed.
7977 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7978 existance of an operand.
7980 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7982 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7983 (dwarf2out_frame_debug_expr): Likewise.
7984 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7986 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7988 * i386.c (ix86_split_to_parts): Return number of part required;
7990 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7992 (ix86_split_long_move): Use number of part returned
7993 by ix86_split_to_parts
7994 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7996 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7997 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7998 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7999 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8000 (ALIGN_MODE_128): Add TFmode.
8001 (IS_STACK_MODE): Likewise.
8002 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8003 (HARD_REGNO_OK): Support TFmodes.
8004 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8005 * i386.md (scheduler definitions): Use memory operand to determine
8006 fst/fld instructions; use mode attribute to determine real mode of
8008 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8009 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8011 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8013 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8015 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8017 * expr.c (store_constructor_field): Update ALIGN before calling
8020 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8022 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8025 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8027 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8030 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8032 * c-decl.c (start_function): Don't warn on third parameter to main.
8034 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8036 * tsystem.h: Define HAVE_DECL_GETOPT.
8038 2001-01-02 Philip Blundell <pb@futuretv.com>
8040 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8043 2001-01-02 Richard Henderson <rth@redhat.com>
8045 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8047 2001-01-02 Andreas Jaeger <aj@suse.de>
8049 * c-decl.c (c_decode_option): Remove support of
8052 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8053 (W_options): Add -Wmissing-noreturn here.
8055 * flow.c: Define lang_missing_noreturn_ok_p.
8056 (check_function_return_warnings): Use it.
8058 * c-common.h: Declare lang_missing_noreturn_ok_p.
8060 * c-lang.c (c_missing_noreturn_ok_p): New function.
8061 (lang_init): Set lang_missing_noreturn_ok_p.
8063 * invoke.texi (Warning Options): Document this.
8065 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8067 * extend.texi (C++ Extensions): New node for C++ attributes;
8068 describe init_priority and com_interface.
8069 * invoke.texi: Remove -finit-priority as it now has zero effect.
8070 * install.texi: Fix xref syntax.
8071 * md.texi: Likewise.
8073 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8075 * config.gcc (sparc64-wrs-vxworks*): New case.
8076 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8078 * config/sparc/sparc.c (sparc_override_options): Do support different
8079 pointer and architecture size.
8080 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8081 (POINTERS_EXTEND_UNSIGNED): Define.
8082 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8083 (FUNCTION_MODE): Define to be Pmode.
8084 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8086 * function.c (expand_function_end): Properly handle DECL_RESULT
8087 and copy when ptr_mode != Pmode.
8088 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8090 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8092 * c-common.c (c_common_nodes_and_builtins): Set prototype
8093 parameters for __builtin_fputs, __builtin_fputc and
8094 __builtin_fwrite. Don't declare plain fputc as a builtin.
8096 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8098 * loop.c (add_label_notes): Increment the label usage count when
8099 a note is added to an insn which refers to a CODE_LABEL.
8100 * gcse.c (add_label_notes): Likewise.
8102 2001-01-01 Andreas Jaeger <aj@suse.de>
8104 * loop.c (scan_loop): Use xmalloc to allocate movables.
8106 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8108 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8109 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8110 * reload1.c (REGISTER_MOVE_COST): Likewise.
8111 * regclass.c (REGISTER_MOVE_COST): Likewise.
8112 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8113 dimension. Adjust all users.
8114 (init_reg_sets_1): Iterate on all modes.
8115 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8116 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8117 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8118 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8119 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8120 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8121 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8122 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8123 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8124 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8125 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8126 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8127 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8128 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8129 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8130 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8131 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8132 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8133 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8134 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8135 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8136 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8137 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8138 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8139 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8140 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8141 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8143 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8145 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8146 arg VARIES_P. Call it with extra arg.
8147 (true_dependence): Likewise.
8148 * rtl.h (rtx_addr_can_trap_p): Declare.
8149 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8151 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8152 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8153 pic offset table register if it's zero. All callers changed.
8154 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8156 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8158 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8159 STRING_POOL_ADDRESS_P.
8161 * config/sparc/sparc.c (input_operand): Properly test for short op.
8163 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8164 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8165 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8166 * config/sparc/elf.h: No longer include sol2.h.
8167 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8168 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8170 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8172 2001-01-01 Michael Hayes <mhayes@redhat.com>
8174 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8175 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8176 (record_initial): Likewise.
8177 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8178 (remap_split_bivs): Likewise.
8180 2001-01-01 Michael Hayes <mhayes@redhat.com>
8182 * loop.c (loop_ivs_free): New function.
8183 (strength_reduce): Break out from...
8185 2001-01-01 Michael Hayes <mhayes@redhat.com>
8187 * loop.h (struct iv): New.
8188 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8189 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8190 'reg_biv_class' fields with 'regs' and 'n_regs'.
8191 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8192 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8193 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8195 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8197 * resource.c (mark_referenced_resources): Abort() before
8198 attempting to mark a pseudo register.
8199 (mark_set_resources): Likewise.
8201 2001-01-01 Michael Hayes <mhayes@redhat.com>
8203 * loop.h (REG_IV_CLASS): New accessor macro.
8204 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8205 * unroll.c (REG_IV_CLASS): Likewise.
8207 See ChangeLog.4 for earlier changes.
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