1 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2 Richard Henderson <rth@redhat.com>
4 * extend.texi: Improve documentation of volatile asms.
6 2001-04-30 Mark Mitchell <mark@codesourcery.com>
8 * c-tree.texi: Fix thinko.
11 2001-04-30 Richard Henderson <rth@redhat.com>
13 * c-common.c (c_promoting_integer_type_p): New function, from the
14 corpse of old macro. Properly promote too-small enumerations and
15 booleans. Adjust all callers.
16 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
17 (c_promoting_integer_type_p): Declare.
18 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
19 * c-typeck.c: Likewise.
20 (default_conversion): Remove now redundant boolean check.
22 2001-04-30 Jan Hubicka <jh@suse.cz>
23 Richard Henderson <rth@redhat.com>
25 * regmove.c (try_apply_stack_adjustment): Remove now redundant
27 (combine_stack_adjustments_for_block): Don't combine stack
28 allocation followed by deallocations. Handle grow-up stacks.
30 2001-04-30 Mark Mitchell <mark@codesourcery.com>
33 * c-tree.texi: Use the GFDL.
36 2001-04-30 Stan Shebs <shebs@apple.com>
38 * invoke.texi: Add a section documenting Objective-C options.
40 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
42 * emit-rtl.c (try_split): Copy EH notes to sequence.
44 2001-04-30 Mark Mitchell <mark@codesourcery.com>
46 * regmove.c (record_stack_memrefs): Catch all references to the
49 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
51 * Makefile.in(stmp-fixinc): quote shell assignment values
53 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
61 2001-04-28 Stan Shebs <shebs@apple.com>
63 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
64 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
65 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
66 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
68 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
69 (NEXT_OBJC_RUNTIME): Define.
71 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
73 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
74 * simplify-rtx.c (simplify_gen_relational): Likewise.
76 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
78 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
79 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
81 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
82 registers in SSE case; fix handling of the immediates.
83 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
84 operands to be in regsiters before reload.
85 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
86 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
87 (abstf,absxf,negtf,negxf splitters): Compute
88 properly the regnum for x86_64.
89 (avsdf2_if_rex64): New.
91 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
93 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
94 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
95 into the constant pool.
96 * jump.c (jump_optimize_1): Remove barrier successors after all
97 the LABEL_NUSES counds have been computed.
98 (delete_barrier_successors): When deleting a tablejump insn, also
99 delete the jump table it uses.
100 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
103 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
105 * pa.c (FRP): Remove erroneous white space in macro definition.
107 2001-04-28 Andreas Jaeger <aj@suse.de>
109 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
111 * extend.texi: Likewise.
114 2001-04-28 Andreas Jaeger <aj@suse.de>
116 * md.texi: Use XX-bit instead of XXbit or XX bit where
119 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
121 * gcc.c (process_command): Allow -l lib in addition to -llib
122 for POSIX compliance. This fixes PR c/2347.
124 * invoke.texi: Update section on Link Options accordingly.
126 2001-04-27 Zack Weinberg <zackw@stanford.edu>
128 * function.c (purge_addressof_1): Remove the duplicate
129 if (code == SET) block. Fold the two if (code == ADDRESSOF)
132 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
134 * except.c (expand_eh_region_start): Don't start a new block.
135 (expand_eh_region_end): Don't end a block.
136 * stmt.c (expand_end_bindings): Don't end EH blocks.
137 (expand_decl_cleanup): Starting an EH region won't change the block.
138 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
139 (is_eh_region): Lose.
142 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
144 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
146 * collect2.c (main): Add `-L' case to remove duplicate entries.
147 (is_in_args): New function to check for a duplicate argument.
148 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
149 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
150 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
151 Define to be nonzero.
153 2001-04-27 Andreas Jaeger <aj@suse.de>
154 Richard Henderson <rth@redhat.com>
156 * md.texi (Machine Constraints): Document additional i386
157 constraints and fix description of "A".
159 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
161 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
163 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
165 * except.c (get_exception_filter): word_mode, not Pmode.
167 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
169 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
170 common to other movsf patterns. Move up so that in future
171 people who change the other patterns will change it too.
172 (movsf_lo_sum): Allow even for soft-float; add appropriate
174 (movsf_high): Likewise.
175 (movsf_high+1): Allow even for soft-float.
177 * function.c (expand_function_end): Always clobber the
178 return registers, even if there is no return label.
180 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
182 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
184 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
186 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
187 (pushqi2_rex64, pushhi2_rex64): Add.
189 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
191 * except.c (expand_eh_region_end_cleanup): Force pending stack
192 adjust before emitting label that branches around cleanup code.
194 2001-04-26 H.J. Lu (hjl@gnu.org)
196 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
198 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
200 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
201 (ASM_OUTPUT_SECTION_NAME): Likewise.
202 (ASM_WEAKEN_LABEL): Likewise.
203 (UNIQUE_SECTION): Likewise.
204 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
205 (ASM_OUTPUT_DESTRUCTOR): Likewise.
206 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
207 (ASM_OUTPUT_SECTION_NAME): Likewise.
208 (ASM_WEAKEN_LABEL): Likewise.
209 (UNIQUE_SECTION): Likewise.
210 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
211 (ASM_OUTPUT_DESTRUCTOR): Likewise.
212 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
213 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
214 (ASM_FILE_START): Likewise.
215 (ASM_OUTPUT_SOURCE_LINE): Likewise.
216 (ASM_DECLARE_OBJECT_NAME): Likewise.
217 (ASM_FILE_END): Likewise.
218 (ASM_DECLARE_FUNCTION_NAME): Likewise.
219 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
220 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
221 (ASM_OUTPUT_CASE_LABEL): Likewise.
222 (ASM_OUTPUT_SKIP): Likewise.
223 (ASM_OUTPUT_ASCII): Likewise.
224 (ASM_OUTPUT_IDENT): Likewise.
225 (READONLY_DATA_SECTION): Likewise.
226 (EXTRA_SECTIONS): Likewise.
227 (EXTRA_SECTION_FUNCTIONS): Likewise.
228 (SELECT_RTX_SECTION): Likewise.
229 (SELECT_SECTION): Likewise.
231 * config/mips/linux.h (INVOKE__main): Undefine.
232 (CTOR_LIST_BEGIN): Likewise.
233 (CTOR_LIST_END): Likewise.
234 (DTOR_LIST_BEGIN): Likewise.
235 (DTOR_LIST_END): Likewise.
236 (SET_ASM_OP): Defined it to ".dummy".
237 (ASM_OUTPUT_DEF): Defined.
238 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
240 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
242 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
243 assembler supports .p2align.
245 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
247 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
249 2001-04-26 Jakub Jelinek <jakub@redhat.com>
251 * integrate.c (expand_inline_function): Check for error_mark_node
254 2001-04-26 Jakub Jelinek <jakub@redhat.com>
256 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
259 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
261 * configure.in (configargs.h): Define thread_model.
262 * configure: Rebuilt.
263 * gcc.c (main): Print it with -v.
265 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
267 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
268 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
271 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
273 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
274 is_redundant_typedef): Use static inline instead of inline static.
276 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
278 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
279 this directory is always searched.
281 2001-04-25 Richard Henderson <rth@redhat.com>
283 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
284 of registers to restore along non eh_return path.
286 2001-04-25 Jakub Jelinek <jakub@redhat.com>
288 * c-format.c (check_format_info_recurse): Handle
289 PLUS_EXPR for format string.
291 2001-04-25 Jakub Jelinek <jakub@redhat.com>
293 * config/ia64/ia64.h (CC1_SPEC): Define.
294 * config/ia64/linux.h (CC1_SPEC): Define.
296 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
298 * emit-rtl.c (constant_subword): Also do sign extension in
299 BITS_PER_WORD == 16 case.
301 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
303 * loop.c (try_swap_copy_prop): Go back to checking insn.
305 2001-04-25 Jakub Jelinek <jakub@redhat.com>
307 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
308 if check_mode is non-zero.
310 2001-04-25 Jakub Jelinek <jakub@redhat.com>
312 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
313 out and comparison sequence has been detected, put result into
314 proper temporary pseudo.
316 2001-04-24 Zack Weinberg <zackw@stanford.edu>
318 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
319 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
320 * libgcc2.c: Remove __dummy and __builtin_saveregs.
321 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
322 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
323 for future reference.
325 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
327 * except.c (reachable_handlers): Step out one level from a RESX.
329 * except.c (struct eh_region): Rename 'last' to 'resume'.
330 (mark_eh_region, duplicate_eh_region_1): Adjust.
331 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
332 (build_post_landing_pads): Likewise.
333 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
334 (expand_eh_region_end_must_not_throw): Likewise.
335 (connect_post_landing_pads): Thread (only) regions with non-deleted
338 * except.c (expand_eh_region_end_cleanup): Save the EH return data
339 registers around the cleanup.
340 (get_exception_filter): New fn.
341 (finish_eh_generation): Use it.
343 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
345 * c-semantics.c (add_scope_stmt): Don't call
346 current_scope_stmt_stack multiple times.
348 2001-04-24 Zack Weinberg <zackw@stanford.edu>
349 Nathan Sidwell <nathan@codesourcery.com>
351 Lazy __FUNCTION__ generation.
352 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
353 RID_C99_FUNCTION_NAME): New _RIDs.
354 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
355 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
356 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
358 (function_id_node, pretty_function_id_node, func_id_node): Remove.
359 (c99_function_name_decl_node, function_name_decl_node,
360 pretty_function_name_decl_node, saved_function_name_decls):
362 (struct language_function): Remove x_function_name_declared_p.
363 (make_fname_decl): Remove a parameter.
364 (declare_function_names): Remove prototype.
365 (start_fname_decls, finish_fname_decls): Prototype.
366 (fname_as_string): Likewise.
367 (fname_string, fname_decl): Likewise.
368 * c-common.c (make_fname_decl): Adjust.
369 (struct fname_var_t): New struct.
370 (fname_vars): New static array.
371 (declare_function_name): Remove.
372 (start_fname_decls, finish_fname_decls): New functions.
373 (fname_as_string): New function from remnants of
374 declare_function_name.
375 (fname_string, fname_decl): New functions.
377 * c-decl.c (c_function_name_declared_p): Remove.
378 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
379 don't call declare_function_name. Call start_fname_decls.
380 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
381 clobber the line number. Call finish_decl.
382 (start_function): Call start_fname_decls.
383 (finish_function): Call finish_fname_decls.
384 Remove c_function_name_declared_p.
385 (push_c_function_context): Don't push c_function_name_declared_p.
386 (pop_c_function_context): Don't pop c_function_name_declared_p.
387 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
388 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
389 (program): Call finish_fname_decls for C.
390 (primary): Add VAR_FUNC_NAME.
391 (reswords): Add slots for __FUNCTION__ et al.
392 (rid_to_yy): Add mappings for __FUNCTION__ et al.
393 (yylexname): If it's a STRING_FUNC_NAME generate the function name
394 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
395 * c-semantics.c (prune_unused_decls): Remove.
396 (finish_stmt_tree): Don't call prune_unused_decls.
397 (genrtl_decl_stmt): Don't prune unused decls here.
399 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
401 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
402 constant pool, use the pool's SYMBOL_REF instead.
404 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
407 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
409 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
410 passing nested NOP_EXPRs to fold.
412 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
414 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
416 2001-04-22 Mark Mitchell <mark@codesourcery.com>
418 * loop.c (loop_delete_insns): Add prototype.
420 2001-04-23 Phil Edwards <pme@sources.redhat.com>
422 * configure.in: Remove ENABLE_STD_NAMESPACE.
423 * config.in: Regenerated.
424 * configure: Regenerated.
426 2001-04-22 Stan Shebs <shebs@apple.com>
428 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
430 * config/rs6000/xm-darwin.h: Remove file.
432 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
434 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
435 (write_c_file_stat): Likewise.
437 * dbxout.c (dbxout_init): Likewise.
439 * profile.c (output_func_start_profiler): Likewise.
441 2001-04-22 Philipp Thomas <pthomas@suse.de>
443 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
444 require it instead of the CVS version.
445 * cpperror.c (v_message): Put a blank before the macro
446 body to not confuse exgettext.
448 2001-04-21 Mark Mitchell <mark@codesourcery.com>
450 * flow.c (proagate_one_insn): Remove useless assignment.
451 * jump.c (delete_insn): Tidy.
452 * loop.c (try_copy_prop): When deleting an instruction with a
453 REG_RETVAL note, delete the entire libcall sequence.
454 (loop_delete_insns): New function.
455 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
456 we're not substituting into them yet.
458 2001-04-21 Kazu Hirata <kazu@hxi.com>
460 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
462 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
464 * config/i960/i960.c (signed_arith_operand): Likewise.
466 * calls.c (expand_call): Fix a comment typo.
468 2001-04-20 Zack Weinberg <zackw@stanford.edu>
470 * configure.in: Probe for times, clock, struct tms, and clock_t.
471 * configure, config.in: Regenerate.
472 * timevar.c: Replace ifdef forest in get_time with (relatively)
473 straightforward series of checks based on autoconf's probes.
475 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
477 * config/pa/som.h (NM_FLAGS): Define.
479 2001-04-20 Bernd Schmidt <bernds@redhat.com>
481 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
483 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
484 * ia64.c (nop_cycles_until): New function.
485 (prev_cycle, prev_first, last_issued): New static variables.
486 (ia64_sched_reorder): Additional arg for clock.
487 On final scheduling pass, emit extra NOPs as needed.
488 Set prev_first and prev_cycle.
489 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
490 (ia64_variable_issue): Set last_issued.
492 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
494 * config/i386/i386.c (ix86_expand_int_movcc,
495 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
497 2001-04-20 Geoff Keating <geoffk@redhat.com>
499 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
500 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
501 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
502 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
503 ctrdi_internal6): In the short-branch case, this insn is only 4
504 bytes long. Reported by Reza Yazdani <reza@apple.com>.
506 2001-04-20 Jakub Jelinek <jakub@redhat.com>
508 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
509 "=u" is used together with "st" resp. "st(1)" clobber.
511 2001-04-20 Jakub Jelinek <jakub@redhat.com>
513 * gcse.c (gcse_main): Fix comment typo.
514 (delete_null_pointer_check): Likewise.
515 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
516 * cse.c (cse_insn): Likewise.
517 * function.c (fixup_var_refs_insns_with_hash): The sequence is
520 2001-04-19 Zack Weinberg <zackw@stanford.edu>
522 * toplev.c: Excise all code for the undocumented -dm option.
523 (float_signal): Call signal just once, unconditionally.
525 2001-04-19 Geoff Keating <geoffk@redhat.com>
527 * fold-const.c (fold): Use first_rtl_op rather than
528 TREE_CODE_LENGTH when looping over parameters of a tree.
529 Correct strange grouping in test for evaluated SAVE_EXPR.
531 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
533 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
534 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
536 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
537 name at 32 total characters.
538 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
539 functions in named sections -- data items can still go into unique
540 sections, but they have normal names (ie $LIT$ and $DATA$).
542 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
545 2001-04-19 DJ Delorie <dj@redhat.com>
547 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
548 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
549 * config/i386/cygwin.h: Likewise.
550 * config/i386/mingw32.h: Likewise.
551 * config/vax/vms.h: Likewise.
552 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
554 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
555 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
556 * config/i386/xm-cygwin.h: Likewise.
557 * config/i386/xm-djgpp.h: Likewise.
558 * config/i386/xm-mingw32.h: Likewise.
559 * config/vax/xm-vms.h: Likewise.
561 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
562 instead of OBJECT_SUFFIX.
563 * collect2.c (find_a_file): Look for files matching the extension
564 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
565 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
566 TARGET_EXECUTABLE_SUFFIX.
567 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
568 (make_relative_prefix): Likewise.
569 (convert_filename): Use TARGET_ suffixes throughout. Remove
571 (process_command): Likewise.
572 (do_spec_1): Likewise.
573 * java/lang.c (init_parse): Likewise.
575 * gcc.texi : Document four new options matching the pattern
576 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
577 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
578 documentation for NO_AUTO_EXE_SUFFIX.
580 2001-04-19 Mark Mitchell <mark@codesourcery.com>
582 * toplev.h (struct lang_hooks): Allow decode_option to indicate
583 that language-independent processing should not be done.
584 * toplev.c (main): Adjust accordingly.
586 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
587 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
589 * mips.md (reload_outputdi): Require that operand0 be a
592 2001-04-19 Jakub Jelinek <jakub@redhat.com>
594 * invoke.texi (-Wshadow): Clarify.
596 2001-04-18 Mark Mitchell <mark@codesourcery.com>
598 * loop.c (load_mems): Examine all the instructions in the loop
599 before concluding that all jumps branch to the first instruction
602 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
604 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
606 2001-04-18 Jakub Jelinek <jakub@redhat.com>
608 * cpp.texi (-Wwhite-space): Remove.
609 (-Wall): -Wall does not imply -Wwhite-space.
611 2001-04-17 Zack Weinberg <zackw@stanford.edu>
613 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
614 use it instead of blindly generating a .stabs.
615 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
617 * xcoffout.c: Don't bother defining default for N_CATCH.
618 (UNKNOWN_STAB): Use internal_error.
619 (stab_to_sclass): Remove now-unnecessary aborts.
620 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
622 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
624 * jump.c (mark_all_labels): Canonicalize the tail recursion
625 label attached to CALL_PLACEHOLDER insns.
627 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
629 * output.h (dump_flow_info, free_basic_block_vars,
630 which_alternative): Delete redundant prototypes.
632 * rtl.h (bss_section): Likewise.
634 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
636 * dbxout.c (N_OPT): Define if not available from <stab.h>
638 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
640 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
641 libraries and native K&R compilers.
643 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
645 * c-typeck.c (convert_arguments): Don't check for width changes
648 * invoke.texi (-Wtraditional): Update documentation.
650 2001-04-16 Zack Weinberg <zackw@stanford.edu>
652 * toplev.c (output_lang_identify): Delete.
653 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
654 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
655 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
656 after calling ASM_FILE_END.
658 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
659 Instead, unconditionally emit an N_OPT stab with string equal
660 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
662 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
664 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
665 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
666 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
667 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
668 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
669 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
670 config/i370/i370.h, config/i386/beos-elf.h,
671 config/i386/osf1elf.h, config/i386/osfrose.h,
672 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
673 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
674 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
675 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
676 config/mips/iris6.h, config/mips/osfrose.h,
677 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
678 config/sparc/sp64-elf.h:
679 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
680 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
682 * config/elfos.h, config/freebsd.h, config/linux.h,
683 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
684 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
685 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
686 of ASM_FILE_START which merely emit a .version directive. Delete
687 definitions of ASM_FILE_END which merely emit an .ident directive.
689 * config/avr/avr.h, config/vax/vax.h: Delete definition of
690 ASM_IDENTIFY_GCC and move part of its logic into
693 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
694 config/sparc/linux-aout.h: Don't emit .version directive in
697 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
698 (output_file_start): Correct comment.
700 * config/i386/osfrose.h: Don't emit trailing .ident directive.
701 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
703 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
704 * config/rs6000/aix.h: Correct comment.
706 * config/i386/i386afe.h: Delete.
707 * config.gcc: Remove references to i386afe.h.
709 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
710 other macros deleted by this patch were undocumented.
712 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
714 * pa.md (reload_outdi): Operand 0 must be a non hard register.
716 * pa.c (secondary_reload_class): SAR<->FP copies require a
719 * install.texi (mips-mips-bsd): Update list of functions
720 required to include memmove.
721 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
722 used functions to include memmove.
724 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
726 * i386.md (sqrtdf2): SFmode should be DFmode.
728 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
730 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
731 (find_moveable_store): Likewise.
733 2001-04-15 Jim Wilson <wilson@redhat.com>
735 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
737 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
739 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
740 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
742 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
744 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
747 2001-04-14 Alan Modra <amodra@one.net.au>
749 * pa.c (force_mode): New function.
750 (emit_move_sequence): Use it instead of generating new rtx_REGs.
752 2001-04-13 Jim Wilson <wilson@redhat.com>
754 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
755 (first_instruction): New static variable.
756 (rtx_needs_barrier): Return 1 for alloc.
757 (init_insn_group_barriers): Set first_instruction.
758 (rws_sum): Delete duplicate definition.
759 (group_barrier_needed_p): Return 0 when first_instruction true.
760 (safe_group_barrier_needed_p): Save and restore first_instruction
761 around group_barrier_needed_p call.
763 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
765 * expr.h (enum libfunc_index): Add LTI_memmove.
766 (memmove_libfunc): Define macro.
767 * optabs.c (init_optabs): Initialize memmove_libfunc.
768 * expr.c (expand_assignment): Use memmove_libfunc instead of
771 2001-04-13 Alan Modra <alan@linuxcare.com.au>
773 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
776 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
778 * Makefile.in (reg-stack.o): Depend on reload.h.
779 (insn-attrtab.o): Depend on flags.h.
781 * genattrtab (main): Include flags.h in insn-attrtab.c.
783 * reg-stack.c: Include reload.h.
785 * sparc.h (flag_pic): Delete redundant declaration.
787 * output.h (flag_pic): Likewise.
789 * tree.h (pedantic): Likewise.
791 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
795 * jump.c, regmove.c, toplev.c: Include reload.h.
797 * reload.h (reload_cse_regs): Declare.
799 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
800 reload_cse_regs, init_reload, mark_home_live, reload,
801 init_caller_save): Delete redundant prototypes.
803 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
807 * regclass.c, ssa.c: Include expr.h.
809 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
810 gen_move_insn): Delete redundant declarations.
812 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
814 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
815 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
816 MAKEINFO and MAKEINFOFLAGS too.
817 (stage4_build): Correctly order -B flags.
819 2001-04-13 Alan Modra <amodra@one.net.au>
821 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
822 PIC_OFFSET_TABLE_SAVE_RTX.
823 (zdepi_cint_p): Describe zdepi insn.
824 Formatting and white space fixes throughout file.
826 * pa.c (uint32_operand): Don't use long constant >= 2^32.
827 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
828 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
829 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
830 (output_64bit_and): Use plain `int's for shift counts.
831 (output_64bit_ior): Likewise.
832 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
833 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
836 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
837 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
838 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
839 NEW_HP_ASSEMBLER into one. Kill warnings.
841 * pa-gas.h: Delete file.
842 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
843 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
844 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
845 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
847 * config/pa/mill32.S: New file.
848 * config/pa/mill64.S: New file.
849 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
850 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
851 * config/pa/t-linux64: New file.
852 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
853 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
854 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
856 * elfos.h (SELECT_SECTION): Undef before defining.
857 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
858 (LIB_SPEC): Remove -lmilli.
859 (DBX_REGISTER_NUMBER): Remove.
860 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
861 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
862 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
863 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
864 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
865 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
866 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
868 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
869 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
870 regs if we don't have a prototype.
871 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
872 * pa.h (TARGET_ELF32): Default to 0 if undefined.
873 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
874 EH_RETURN_HANDLER_RTX): Define.
875 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
876 (DWARF_FRAME_REGNUM): Define.
877 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
878 * pa32-linux.h: New file.
879 * pa64-linux.h: New file.
881 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
882 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
883 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
884 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
885 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
886 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
887 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
888 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
889 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
890 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
891 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
892 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
893 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
894 * pa64-hpux.h: New file.
895 (ASM_FILE_START): Correct typo.
896 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
897 * config.gcc: Modify for above.
899 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
901 * jump.c (jump_optimize_1): Don't delete dead stores here.
902 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
903 prior to running jump optimize before cse2.
905 2001-04-12 Richard Henderson <rth@redhat.com>
907 * Makefile.in (regmove.o): Depend on except.h.
908 * regmove.c: Include it.
910 2001-04-12 Stan Shebs <shebs@apple.com>
912 * objc/objc-act.c: Remove all code ifdefed with the never-used
913 macro OBJC_INT_SELECTORS.
914 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
915 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
917 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
919 * config/pa/quadlib.c: Add prototypes.
921 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
923 * bitmap.h (debug_bitmap): Delete redundant prototype.
925 * rtl.h (get_frame_size): Likewise.
927 2001-04-12 Jim Wilson <wilson@redhat.com>
929 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
930 to just emit an fnorm.
932 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * c-common.h (truthvalue_conversion, type_for_mode,
935 type_for_size): Delete redundant declarations.
937 * c-lex.h (is_class_name): Likewise.
939 * c-tree.h (pedantic, convert, getdecls, gettags,
940 global_bindings_p, init_decl_processing, insert_block,
941 maybe_build_cleanup, poplevel, print_lang_decl,
942 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
943 set_block, incomplete_type_error, build_function_call,
944 lvalue_or_else, mark_addressable): Likewise.
946 * expr.h (expand_tree_builtin): Likewise.
948 2001-04-12 Mark Mitchell <mark@codesourcery.com>
950 * invoke.texi: Document --param max-gcse-memory.
952 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * configure.in (errno): Check for declaration.
955 * configure, config.in: Regenerated.
957 * system.h (errno): Only declare if not already done.
959 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
961 * recog.c (general_operand, immediate_operand,
962 nonmemory_operand): Require CONST_INTs to be sign-extended
963 values for their modes.
965 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
967 * expmed.c (store_bit_field): Truncate CONST_INTs.
968 (expand_mult_highpart, expand_divmod): Likewise.
969 * expr.c (convert_modes, store_field): Likewise.
970 * integrate.c (expand_inline_function): Use promote_mode() to
971 determine whether to convert_modes() an argument as signed
973 * optabs.c (expand_binop): Get CONST_INT operands
974 sign-extended for their appropriate modes.
975 * stmt.c (emit_case_nodes): Convert node values to the
977 (expand_end_case): Convert minval and range to the appropriate
979 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
980 the iteration variable.
981 * varasm.c (immed_double_const): Don't require words to be
982 narrower than host wide ints to properly sign-extend
985 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
987 * sh.md (builtin_setjmp_receiver): New expander.
989 2001-04-12 David Edelsohn <dje@watson.ibm.com>
991 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
992 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
993 for generating CONST_INT and CONST_DOUBLE.
995 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
997 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
998 already sign-extended.
999 (rs6000_emit_prologue): Make register iterator signed.
1000 (rs6000_emit_epilogue): Likewise.
1001 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1003 (movsf split, movdf split): Sign-extend CONST_INTs.
1004 (movdi splits): Likewise.
1006 2001-04-12 Kelley Cook <kelley.cook@home.com>
1008 * config-lang.in (lang_dirs): Add in zlib.
1010 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1012 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1013 operands that make it to RTL.
1015 2001-04-11 Stan Shebs <shebs@apple.com>
1017 Add Darwin (Mac OS X kernel) native support.
1018 * config.gcc (powerpc-*-darwin*): Add native bits.
1019 * config/darwin.c: New file, generic Darwin support functions.
1020 * config/darwin.h: New file, generic Darwin definitions.
1021 * config/darwin-protos.h: New file, generic Darwin prototypes.
1022 * rs6000/darwin.h: New file, Darwin for PowerPC.
1023 * rs6000/t-darwin: New file, Darwin makefile fragment.
1024 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1025 (TARGET_MACHO): Ditto.
1026 (rs6000_abi): Add ABI_DARWIN.
1027 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1028 (RS6000_SAVE_AREA): Ditto.
1029 (FP_ARG_MAX_REG): Ditto.
1030 (RETURN_ADDRESS_OFFSET): Ditto.
1031 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1033 (rs6000_emit_move): Add ABI_DARWIN cases.
1034 (print_operand): Ditto.
1035 (first_reg_to_save): Ditto.
1036 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1037 (debug_stack_info): Ditto.
1038 (rs6000_emit_prologue): Ditto.
1039 (rs6000_emit_epilogue): Ditto.
1040 (output_profiler_hook): Ditto.
1041 (output_function_profiler): Ditto.
1042 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1043 (output_mi_thunk): Add TARGET_MACHO case.
1044 (add_compiler_stub): Ditto.
1045 (output_compiler_stub): Ditto.
1046 (no_previous_def): Ditto.
1047 (output_call): Ditto.
1048 (machopic_output_stub): Ditto.
1049 (rs6000_machopic_legitimize_pic_address): Ditto.
1050 (toc_section): Ditto.
1051 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1052 (macho_high): Ditto.
1055 (load_macho_picbase): Ditto.
1056 (call): Add TARGET_MACHO case to modify function.
1057 (call_value): Ditto.
1058 (call_nonlocal_sysv): Add ABI_DARWIN case.
1059 (call_value_nonlocal_sysv): Ditto.
1060 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1062 (machopic_output_stub): Ditto.
1063 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1065 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1067 * dwarf2out.c (modified_type_die): Don't create new types here.
1068 * tree.h (get_qualified_type): New function.
1069 (build_qualified_type): Adjust comment.
1070 * tree.c (get_qualified_type): New function.
1071 (build_qualified_type): Use it.
1073 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1075 * cpp.texi (-Wtraditional): Update description.
1077 * invoke.texi (-Wtraditional): Likewise.
1079 2001-04-11 Jim Wilson <wilson@redhat.com>
1081 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1082 requires more than 64 bits of alignment.
1084 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1086 * cpplib.c (do_line): Sanity check iff enable checking.
1088 2001-04-11 Richard Henderson <rth@redhat.com>
1090 * Makefile.in (insn-recog.o): Depend on toplev.h.
1091 (insn-emit.o, doloop.o): Likewise.
1092 * genrecog.c, genemit.c: Include toplev.h in generated file.
1093 * doloop.c: Include toplev.h.
1095 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1097 * Makefile.in (gcse.o): Depend on params.h.
1098 * gcse.c: Include params.h.
1099 (gcse_main): Don't do GCSE if doing so will take inordinate
1101 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1102 * params.h (MAX_GCSE_MEMORY): New macro.
1104 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1108 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1110 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1112 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1114 * real.h (ereal_atof, real_value_truncate, target_isnan,
1115 target_isinf, target_negative, assemble_real, debug_real): Delete
1116 redundant prototypes.
1118 * Makefile.in (ifcvt.o): Depend on toplev.h.
1120 * c-semantics.c: Include expr.h.
1122 * ifcvt.c: Include toplev.h.
1124 * expr.h (rtx_equal_p): Delete prototype.
1126 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1127 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1128 eliminate_constant_term, expand_complex_abs, find_single_use,
1129 make_tree, init_expr_once, init_optabs, supports_one_only):
1132 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1133 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1134 expand_assignment, store_expr, emit_line_note_after,
1135 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1137 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1139 * sparc-protos.h: Delete redundant prototypes.
1141 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1143 * reload.c (push_reload): Add condition missed in SUBREG byte
1146 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1148 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1150 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1152 * i386.md (floatsisf_sse): Fix output template
1153 * i386.c (ix86_expand_fp_movcc)
1155 * reg-stack.c (emit_pop_insn): Handle complex modes.
1156 (move_for_stack_reg): Emit proper move mode.
1157 (subst_stack_regs_pat): Handle complex modes.
1159 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1161 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1163 2001-04-10 Richard Henderson <rth@redhat.com>
1165 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1166 (__pure_virtual, __terminate, __terminate_set_func,
1167 __default_terminate, __throw_type_match, __empty,
1168 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1169 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1170 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1171 Remove prototypes of deleted functions.
1173 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1175 * c-typeck.c (convert_arguments): -Wtraditional now activates
1176 -Wconversion warnings, except for changes in signed-ness.
1177 Detect complex<->int & int<->complex conversions as well.
1179 * invoke.texi (-Wtraditional): Document it.
1181 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1183 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1184 * flow.c (set_block_for_new_insns): Remove needless cast and
1185 properly check for unset block number.
1187 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1189 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1190 the subreg was a hard register. Pseudos are left as subregs.
1192 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1194 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1195 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1196 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1197 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1198 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1200 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1202 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1204 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1206 * output.h (set_block_num): Missed it earlier, remove deprecated
1209 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1211 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1212 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1213 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1214 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1215 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1216 (expr_killed_p): Change bb parameter from int to basic_block, pass
1217 basic_blocks instead of ints as parameters.
1218 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1219 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1220 from int to basic_block, pass basic_blocks instead of ints as parms.
1221 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1222 parameter from int to basic_block, pass basic_blocks instead of ints.
1223 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1224 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1225 pass basic_blocks instead of ints.
1226 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1227 basic_blocks instead of ints as parameters.
1228 (pre_delete): Pass basic_blocks instead of ints as parameters.
1229 (hoist_expr_reaches_here_p): Change bb parameter from int to
1230 basic_block, pass basic_blocks instead of ints.
1231 (hoist_code): Pass basic_blocks instead of ints as parameters.
1232 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1233 Change bb parameter from int to basic_block.
1234 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1235 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1236 pass basic_blocks instead of ints.
1237 (insert_store): Pass basic_blocks instead of ints as parameters.
1238 (replace_store_insn, delete_store): Change bb parameter from int to
1239 basic_block, pass basic_blocks instead of ints.
1240 (store_motion): Pass basic_blocks instead of ints as parameters.
1242 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1244 * basic-block.h (set_new_block_for_insns): New Prototype.
1245 (set_block_num): Delete prototype.
1246 * flow.c (set_block_num): Remove obsolete function.
1247 (set_block_for_new_insns): Set BB for single or multiple insns.
1248 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1249 (process_insn_end_bb): Use set_block_for_new_insns or
1250 set_block_for_insn instead of set_block_num.
1251 (pre_insert_copy_insn): Use set_block_for_new_insns.
1252 (update_ld_motion_stores): Use set_block_for_new_insns.
1253 (insert_insn_start_bb): Use set_block_for_new_insns.
1254 (replace_store_insn): Use set_block_for_new_insns.
1256 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1257 Jeff Law <law@redhat.com>
1259 * alias.c (get_addr): Externalize.
1260 (canon_true_dependence): New function. Behaves like true_dependance
1261 except it already assumes a MEM has been canonicalized.
1262 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1263 * gcse.c (struct ls_expr): Add load/store expressions structure.
1264 (modify_mem_list, canon_modify_mem_list): New variable.
1265 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1266 load motion and store motion if requested.
1267 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1268 (free_gcse_mem): Free the modify_mem_list array.
1269 (oprs_unchanged_p): Use load_killed_in_block_p.
1270 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1271 (mems_conflict_for_gcse_p): New function. Don't kill loads
1272 with stores to themselves if its in the load/store expression list.
1273 (load_killed_in_block_p): New function.
1274 (canon_list_insert): New Function.
1275 (record_last_mem_set_info): Keep a list of all instructions which
1276 can modify memory for each basic block.
1277 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1278 (oprs_not_set_p): Use load_killed_in_block_p.
1279 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1280 (expr_killed_p): Use load_killed_in_block_p.
1281 (compute_transp): Do not pessimize memory references.
1282 (pre_edge_insert): Update stores for a load motion expression.
1283 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1284 (ldst_entry): Find or create a ldst_expr structure.
1285 (free_ldst_entry): Free memory for an individual item.
1286 (free_ldst_mems): Free entire load/store expression list.
1287 (print_ldst_list): Print debug info.
1288 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1289 (enumerate_ldsts): Assign integer values to each entry in list.
1290 (first_ls_expr): First expression in the list.
1291 (next_ls_expr): Next expression in the list.
1292 (simple_mem): Check if expression qualifies for ld/st expression list.
1293 (invalidate_any_buried_refs): Remove from expression list if its
1294 used in some other way we dont understand.
1295 (compute_ld_motion_mems): Find all potential enhanced load motion
1297 (trim_ld_motion_mems): Remove any expressions which are invalid.
1298 (update_ld_motion_stores): Copy store values to registers for loads
1299 which have been moved.
1300 (regvec, st_antloc, num_store): New global statics.
1301 (reg_set_info): Marks registers as set.
1302 (store_ops_ok): Verfies registers expressions are valid in a block.
1303 (find_moveable_store): Look for moveable stores in a pattern.
1304 (compute_store_table): Find stores in a function worth moving, maybe.
1305 (load_kills_store): Check dependance of a load and store.
1306 (find_loads): Find any loads in a pattern.
1307 (store_killed_in_insn): Check if a store is killed in an insn.
1308 (store_killed_after): Check is store killed after an insn in a block.
1309 (store_killed_before): Check is store killed before an insn in a block.
1310 (build_store_vectors): Generate the antic and avail vectors.
1311 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1312 (insert_store): Add a store to an edge.
1313 (replace_store_insn): Replace a store with a SET insn.
1314 (delete_store): Delete a store insn.
1315 (free_store_memory): Free memory.
1316 (store_motion): Perform store motion.
1317 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1318 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1319 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1320 (f_options): Add gcse-lm and gcse-sm.
1322 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * i386.c (expand_fp_movcc): Fix condition reversal code.
1326 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1327 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1328 (CLASS_MAX_NREGS): Use it.
1330 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1331 handle properly complex values.
1332 (CLASS_MAX_NREGS): Likewise; update comment.
1334 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1336 * ia64.c (ia64_flag_schedule_insns2): New variable.
1337 (ia64_override_options): Initialize it. Clear
1338 flag_schedule_insns_after_reload.
1339 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1341 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1343 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1344 Do not require source to match destination anymore;
1345 Add abort to the nontrivial cases that should be handled by split.
1346 (fix_trunc?fdi): Add SSE case for x86_64.
1347 (floatdi?f): Likewise.
1348 (floatdi?f_sse): New.
1349 (fix_trunc?fdi_sse): New.
1351 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1353 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1354 (DEBUG_ARANGES_END_LABEL): Ditto.
1355 (dwarfout_init): Generate length and version fields at the start
1356 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1357 after the length field.
1358 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1359 the .debug_aranges info.
1361 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1363 * i386.c (call, call_value): Make sure that resulting call_insn
1364 does have proper second operand.
1366 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1368 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1369 function. Remove include of sys/cygwin.h.
1371 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1373 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1374 (CPP_SPEC): Always search */include/w32api for header files.
1375 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1376 (LINK_SPEC): Add "cyg" to the library search prefixes.
1378 2001-04-08 Philip Blundell <philb@gnu.org>
1380 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1382 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1384 * cpperror.c (print_location): Don't special case <stdin>.
1385 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1386 WARNING, but we don't check if we're in system headers.
1387 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1388 * cpplib.c (do_warning): Warn in system headers.
1390 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1392 * mbchar.c: Include config.h first.
1394 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1396 * config.gcc: Set default for xmake_file at top, not bottom.
1397 Change places that set xmake_file to "none" to set to the
1398 empty string instead, or remove them entirely if there is no
1399 default xmake_file for this cpu_type. Remove references to
1402 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1403 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1404 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1405 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1406 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1407 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1408 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1409 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1410 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1411 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1414 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1415 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1416 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1417 config/mips/x-sysv, config/rs6000/x-aix31:
1418 Just set CLIB to -lld or -lmld, as appropriate.
1420 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1421 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1422 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1423 config/mips/x-iris, config/pa/x-pa:
1424 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1425 OTHER_FIXINCLUDES_DIRS.
1427 * config/i386/x-djgpp: Don't set LN or LN_S.
1428 * config/m88k/x-dolph: Don't define __m88k__.
1429 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1430 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1431 * config/i860/fx2800.h: No need to #undef SVR4.
1433 38 x-host fragments remain, 2 x-cpu.
1435 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1437 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1439 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1441 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1443 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1445 * configure.in: Add check for lstat.
1446 * configure, config.in: Regenerate.
1447 * cppinit.c (append_include_chain): Make empty path ".".
1448 * cpplib.c (do_line): Don't simplify #line paths.
1449 * cppfiles.c (remove_component_p): New function.
1450 (find_or_create_entry): Acknowledge stat () errors during
1451 path simplification.
1452 (handle_missing_header): Don't simplify paths.
1453 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1454 the empty path untouched. Don't leave a trailing '/'.
1456 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1458 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1459 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1461 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cppfiles.c (open_file): Fail directories silently, but
1464 with an errno of NOENT set.
1465 (read_include_file): Move the common exit code to the sole
1466 caller. Return an int indicating success or failure. Let
1467 open_file handle directories.
1468 (stack_include_file): If read_include_file fails,
1469 push a "null" buffer.
1471 2001-04-05 DJ Delorie <dj@redhat.com>
1473 * function.h (virtuals_instantiated): Declare.
1474 * function.c: (virtuals_instantiated): Make global.
1475 * calls.c (emit_library_call_value_1): Use
1476 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1477 Otherwise, use the stack pointer directly.
1479 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1481 * i386.c (x86_initialize_trampoline): New global function.
1482 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1483 (INITIALIZE_TRAMPOLINE): Move offline.
1484 * i386-protos.h (x86_initialize_trampoline): Declare.
1486 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1488 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1489 (lea_0): Rename to lea_1.
1490 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1491 (lea_general_?): Allow SImodes on TARGET_64BIT
1492 (lea_general_?_zext): New patterns.
1493 (call_1, call_1_rex64): Fix.
1495 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1497 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1499 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1501 * i386.c (function_arg): Return constm1_rtx for last argument.
1502 (ix86_expand_prologue): Update gen_call calls.
1503 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1504 * i386.md (call_pop): Likewise.
1505 (call): Second operand is VOIDmode.
1506 (call_0): Likewise; Support 64bits.
1507 (call_exp): New expander.
1508 (call_1): Get to the sync.
1509 (call_1_exp): New pattern.
1510 (call_value): Support 64bit.
1511 (call_value_exp): New pattern.
1512 (untyped_call): Update gen_call call.
1513 (call_value_pop): Disable for 64bit.
1514 (call_value_0_rex64): New pattern.
1515 (call_value_1_rex64): Likewise.
1517 2001-04-05 Bo Thorsen <bo@suse.de>
1519 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1521 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1523 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1524 satisfies ANY_QI_REG_P.
1526 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1528 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1531 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1534 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1536 * config.gcc: Remove default for xm_file. Clean up local
1537 machine type handling. Remove settings of xm_file to
1538 something that doesn't exist. In the big switch, set xm_file,
1539 don't append to it (the value before the big switch is always
1540 null). Don't force build_xm_file or host_xm_file to have a value.
1541 * configure.in: Remove default for xm_file. Do not special
1542 case $cpu/xm-$cpu.h not existing.
1543 * configure: Regenerate.
1545 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1547 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1548 when folding integer division and modulo operations.
1550 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1552 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1553 instead of DWARF2_ADDR_SIZE for EH addresses.
1554 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1557 2001-04-04 Richard Henderson <rth@redhat.com>
1559 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1560 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1561 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1563 2001-04-04 Richard Henderson <rth@redhat.com>
1565 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1566 * configure: Rebuilt.
1568 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1570 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1571 push insns to delete to it instead of deleting them.
1572 (delete_null_pointer_checks): Delete insns from delete_list after
1573 all delete_null_pointer_checks_1 passes are done.
1575 2001-04-04 Richard Henderson <rth@redhat.com>
1577 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1578 * configure: Rebuilt.
1580 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1582 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1583 * config/romp/xm-romp.h: Delete.
1585 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1587 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1590 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1592 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1593 all labels present in rtx.
1594 (try_split) Call new function for all split insns.
1596 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1598 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1599 sure the change won't be validated.
1601 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1603 * rtl.h (set_noop_p): Declare.
1604 * flow.c (set_noop_p): Move from here ...
1605 * rtlanal.c (set_noop_p): ... to here and enhance.
1606 * cse.c (delete_trivially_dead_insns): Use it.
1607 * gcse.c (hash_scan_set): Likewise.
1608 * jump.c (delete_noop_moves): Likewise.
1609 * recog.c (split_all_insns): Likewise.
1611 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1613 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1614 stack pointer via a LO_SUM. Ditto for setting a temp register
1615 used to save to the stack. Set cfa_temp when setting fp, and
1616 allow matches to cfa_temp in addition to cfa_store when saving
1617 regs. Handle POST_INC and LO_SUM register stores. Document the
1618 changes and errors in rule 12 doco.
1620 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1621 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1622 (load_reg): Move closer to epilogue code.
1623 (DO_FRAME_NOTES): Define to control the following..
1624 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1625 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1627 (hppa_expand_epilogue): Likewise.
1629 2001-04-03 Richard Henderson <rth@redhat.com>
1631 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1632 * configure: Rebuild.
1634 2001-04-03 Richard Henderson <rth@redhat.com>
1636 * rtl.h (LCT_THROW): New.
1637 * calls.c (emit_library_call_value_1): Handle it.
1638 * except.c (connect_post_landing_pads): Use it.
1640 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1642 * gansidecl.h: Delete file.
1643 * configure.in: Change all refs to gansidecl.h to use
1644 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1646 * configure: Regenerate.
1648 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1649 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1650 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1651 Don't include gansidecl.h.
1652 * intl.c, main.c, version.c, fixinc/fixlib.h,
1653 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1656 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1658 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1661 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1663 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1664 config/i386/xm-next.h, config/i386/xm-sco.h,
1665 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1666 config/m88k/xm-m88k.h: Delete.
1668 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1669 * config/romp/xm-romp.h: Don't define bcopy.
1670 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1671 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1673 * config.gcc: Remove references to deleted files.
1675 14 xm-host.h remain, 1 xm-cpu.h.
1677 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1678 David S. Miller <davem@pierdol.cobaltmicro.com>
1679 Andrew MacLeod <amacleod@redhat.com>
1681 Use byte offsets in SUBREGs instead of words.
1683 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1684 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1685 to pass new argument.
1686 (add_stored_regs): Use subreg_regno_offset function.
1687 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1689 (precompute_arguments): Use gen_lowpart_SUBREG.
1690 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1691 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1692 (simplify_set): Rework to use SUBREG_BYTE.
1693 (expand_field_assignment): Use SUBREG_BYTE.
1694 (make_extraction): Use SUBREG_BYTE.
1695 (if_then_else_cond): Use SUBREG_BYTE.
1696 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1697 (gen_lowpart_for_combine): Compute full byte offset.
1698 * cse.c (mention_regs): Use SUBREG_BYTE.
1699 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1700 (canon_hash): Use SUBREG_BYTE.
1701 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1702 (gen_lowpart_if_possible): Formatting.
1703 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1705 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1706 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1707 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1708 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1709 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1710 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1711 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1712 certain invariants about SUBREGs the compiler creates.
1713 (gen_lowpart_SUBREG): New function.
1714 (subreg_hard_regno): New function to get the final register number.
1715 (gen_lowpart_common): Use SUBREG_BYTE.
1716 (gen_imagpart): Spacing nits.
1717 (subreg_realpart_p): Use SUBREG_BYTE.
1718 (gen_highpart): Use SUBREG_BYTE.
1719 (subreg_lowpart_p): Always compute endian corrected goal offset,
1720 even at the byte level, then compare against that.
1721 (constant_subword): New function, pulled out all constant cases
1722 from operand_subword and changed second argument name to offset.
1723 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1724 and call constant_subword to do the work. Return const0_rtx if
1725 looking for a word outside of OP.
1726 (operand_subword_force): Change second arg name to offset.
1727 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1728 (store_split_bit_field): Use SUBREG_BYTE.
1729 (extract_bit_field): Use SUBREG_BYTE.
1730 (extract_split_bit_field): Use SUBREG_BYTE.
1731 (expand_shift): Use SUBREG_BYTE.
1732 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1733 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1734 * flow.c (set_noop_p): Use SUBREG_BYTE.
1735 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1736 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1737 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1739 (optimize_bit_field): Use SUBREG_BYTE.
1740 (purge_addressof_1): Use SUBREG_BYTE.
1741 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1742 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1743 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1744 * gengenrtl.c (special_rtx): Add SUBREG.
1745 * global.c (mark_reg_store): Use SUBREG_BYTE.
1746 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1747 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1748 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1749 final byte offset is congruent to subreg's mode size.
1750 (subst_constants): Use SUBREG_BYTE.
1751 (mark_stores): Use subreg_regno_offset function.
1752 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1753 function and SUBREG_BYTE.
1754 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1755 (reg_is_born): Use subreg_hard_regno.
1756 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1757 endian correction code. Don't combine subregs unless resulting
1758 offset aligns with type. Fix subreg constant extraction for DImode.
1759 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1760 (general_operand): Remove dead mode_altering_drug code.
1761 (indirect_operand): Use SUBREG_BYTE.
1762 (constrain_operands): Use subreg_regno_offset function.
1763 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1764 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1765 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1766 * regs.h (REG_SIZE): Allow target to override.
1767 (REGMODE_NATURAL_SIZE): New macro which target can override.
1768 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1769 on the entire subreg rtx.
1770 (push_reload): Use SUBREG_BYTE in comments and code.
1771 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1772 for hard registers inside subregs.
1773 (operands_match_p): Use subreg_regno_offset.
1774 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1775 containing hard regs.
1776 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1777 corrections when fixing up MEM subregs.
1778 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1779 subreg_regno_offset where appropriate.
1780 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1781 byte endian corrections when fixing up MEM subregs.
1782 (subst_reloads): When combining two subregs, make sure final
1783 offset is congruent to subreg's mode size.
1784 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1785 (refers_to_regno_for_reload_p): Use subreg_regno.
1786 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1787 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1788 correction code for memory subreg fixups.
1789 (forget_old_reload_1): Use subreg_regno_offset.
1790 (choose_reload_regs): Use subreg_regno.
1791 (emit_input_reload_insns): Use SUBREG_BYTE.
1792 (reload_combine_note_store): Use subreg_regno_offset.
1793 (move2add_note_store): Use subreg_regno_offset.
1794 * resource.c (update_live_status, mark_referenced_resources): Use
1795 subreg_regno function.
1796 (mark_set_resources): Use subreg_regno function.
1797 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1798 (subreg_regno_offset, subreg_regno): Define prototypes.
1799 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1800 (gen_lowpart_SUBREG): Add prototype.
1801 * rtl.texi (subreg): Update to reflect new byte offset representation.
1802 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1803 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1804 (reg_overlap_mentioned_p): Use subreg_regno.
1805 (replace_regs); Make sure final offset of combined subreg is
1806 congruent to size of subreg's mode.
1807 (subreg_regno_offset): New function.
1808 (subreg_regno): New function.
1809 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1810 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1811 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1812 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1813 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1814 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1815 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1816 (print_operand): Use SUBREG_BYTE.
1817 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1818 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1819 (arm_reload_out_hi): Use SUBREG_BYTE.
1820 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1821 instead of SUBREG_WORD.
1822 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1823 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1824 SUBREG creation to use byte offset.
1825 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1826 inverted load insns): Fix explicit rtl subregs to use byte
1828 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1829 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1830 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1831 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1832 to use byte offsets.
1833 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1834 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1835 offsets, also make sure it is congruent to SUBREG's mode size.
1836 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1837 unnamed ldob insn): Generate SUBREGs with byte offset.
1838 (zero_extendqihi2): SUBREG's are byte offsets.
1839 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1840 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1841 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1842 zero-extendqisi2): Generate SUBREGs with byte offset.
1843 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1844 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1845 subregs in rtl to use byte offsets.
1846 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1847 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1848 (mips_move_2words): Use subreg_regno_offset.
1849 (mips_secondary_reload_class): Use subreg_regno_offset.
1850 * config/mips/mips.md (DImode plus, minus, move, and logical op
1851 splits): Fixup explicit subregs in rtl to use byte offsets.
1852 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1853 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1854 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1855 rtl to use byte offsets.
1856 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1857 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1858 subregs to use byte offsets.
1859 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1860 Fixup explicit subregs in rtl to use byte offsets.
1861 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1862 and remove byte endian correction code.
1863 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1864 (gen_ashift_hi): Use SUBREG_BYTE.
1865 (regs_used): Use subreg_regno_offset.
1866 (machine_dependent_reorg): Use subreg_regno_offset.
1867 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1868 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1869 (movdf_i4): Subregs are byte offsets now.
1870 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1871 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1872 (REGMODE_NATURAL_SIZE): Override.
1873 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1874 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1876 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1877 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1878 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1879 it is congruent to SUBREG's mode size.
1880 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1882 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1883 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1884 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1885 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1886 * config/v850/v850.c (print_operand, output_move_double): Use
1887 subreg_regno function.
1889 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1891 * configure.in (target_subdir): Use target_alias, not target.
1892 * configure: Rebuilt.
1894 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1896 * config/sh/crti.asm: Fix typos in comments.
1898 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1900 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1901 TARGET_FAST_INDIRECT_CALLS.
1902 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1904 (return_addr_rtx): Short circuit export stub matching when
1905 TARGET_NO_SPACE_REGS.
1906 (output_millicode_call): For out of range calls, make -fPIC
1907 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1908 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1909 * pa.md: Modify length attr calculation of all millicode insns to
1912 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1914 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1915 Require at least 2.11 in the version test. Specifically check
1916 for and reject GAS version 2.10.90.
1917 * configure: regenerate.
1919 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1921 * pa.c (override_options): Remove PIC profiling warning.
1922 (hp_profile_labelno): Delete.
1923 (hp_profile_label_rtx): Delete.
1924 (hp_profile_label_name): Delete.
1925 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1926 (output_function_prologue): Remove profiling code and all tests on
1927 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1928 merge_sp_adjust_with_store can work for PIC and profiling.
1929 (hppa_expand_epilogue): Remove profile_flag test.
1930 (hppa_can_use_return_insn_p): Likewise.
1931 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1932 cater for PROFILE_HOOK.
1933 (hppa_profile_hook): New function.
1934 * pa.h (FUNCTION_PROFILER): Now does nothing.
1935 (PROFILE_HOOK): Define.
1936 (hppa_profile_hook): Declare.
1937 (PROFILE_BEFORE_PROLOGUE): Delete.
1938 (ASM_OUTPUT_REG_PUSH): Delete.
1939 (ASM_OUTPUT_REG_POP): Delete.
1940 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1941 r24. Accept function name operand, and use this and a locally
1942 generated label to calculate pc-rel offset to func start.
1944 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1947 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1950 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1952 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1953 LO_SUM cases to where they belong.
1955 2001-04-02 Richard Henderson <rth@redhat.com>
1957 * except.h (lang_eh_type_covers): Mark extern.
1958 (lang_eh_runtime_type): Likewise.
1960 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1962 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1963 gengenrtl.c: Wrap generated header in multiple-include guard.
1964 Improve error checking.
1966 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1968 * configure.in: Don't check for putenv.
1969 * configure: Regenerate.
1970 * gcc.c (putenv): Don't define.
1971 * vax/xm-vms.h: Handle putenv.
1973 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1975 * ifcvt.c (noce_emit_move_insn): New.
1976 (noce_try_store_flag, noce_try_store_flag_constants,
1977 noce_try_store_flag_inc, noce_try_store_flag_mask,
1978 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1979 noce_try_abs): Use it.
1980 (noce_process_if_block): Likewise.
1981 For STRICT_LOW_PART, take mode from its SUBREG.
1983 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1985 * fold-const.c (fold): Before optimizing unsigned comparison with
1986 0x7fffffffU, make sure arg0 is integral type.
1988 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1990 * c-tree.texi: Document representation of wide strings.
1992 2001-04-01 Richard Henderson <rth@redhat.com>
1994 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1996 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1998 * i386.md: remove obsoleted comments.
1999 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2000 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2001 fix output template.
2003 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2005 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2007 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2009 * loop.c (load_mems): When generating a load from a pseudo, update
2012 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2014 * i386.c (ix86_split_long_move): Use change address to compensate
2015 stack pointer change in push instruction.
2017 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2019 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2020 instead of rtx_equal_p; fix the output template.
2022 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2024 * i386.c (ix86_expand_setcc): Support 64bit.
2025 (ix86_expand_int_movcc): Likewise.
2026 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2029 * i386.md (allocate_stack_worker): Turn to expander.
2030 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2032 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2034 2001-03-29 Richard Henderson <rth@redhat.com>
2036 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2038 2001-03-28 Matthew Hiller <hiller@redhat.com>
2040 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2043 * MAINTAINERS: Added self.
2045 2001-03-28 Richard Henderson <rth@redhat.com>
2047 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2048 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2050 2001-03-28 Jim Wilson <wilson@redhat.com>
2052 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2055 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2057 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2059 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2062 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2064 2001-03-28 DJ Delorie <dj@redhat.com>
2066 * Makefile.in (stage1_build): Revert CFLAGS patch.
2068 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2070 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2071 when multiplier or multiplicand is zero.
2073 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2075 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2077 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2079 (set_src_needs_barrier): Likewise.
2080 (rtx_needs_barrier): For SET case, use these two functions. Rework
2081 PARALLEL case to handle all inputs before all outputs.
2082 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2083 saw a label and no stop bit since then.
2084 (maybe_rotate, process_epilogue): Add prototypes.
2086 2001-03-28 Richard Henderson <rth@redhat.com>
2088 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2089 not TARGET_TOC for special toc restore handling.
2090 * config/rs6000/rs6000.md (eh_return): Likewise.
2092 2001-03-28 Richard Henderson <rth@redhat.com>
2094 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2095 current_function_calls_eh_return.
2096 (output_function_epilogue): Handle eh_return.
2097 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2098 (EH_RETURN_DATA_REGNO): New.
2099 (EH_RETURN_STACKADJ_RTX): New.
2100 (EH_RETURN_HANDLER_RTX): New.
2101 * config/sparc/sparc.md (call/short branch peepholes): Check
2102 can_throw_internal instead of in_same_eh_region.
2104 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2105 for eh_return data registers.
2106 (rs6000_emit_prologue): Save eh_return data registers.
2107 (rs6000_emit_epilogue): Force inline restores if eh_return.
2108 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2109 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2110 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2111 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2112 the target uses one.
2113 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2114 (return_eh_si, return_eh_di): Remove.
2115 (eh_return): New, from corpse of eh_epilogue.
2116 (eh_set_lr_si, eh_set_lr_di): New.
2118 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2119 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2120 True for pic register if current_function_calls_eh_return.
2121 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2122 Handle eh_return requirements.
2123 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2124 (EH_RETURN_STACKADJ_RTX): New.
2125 * config/i386/i386.md (exception_receiver): Remove.
2126 (eh_return, eh_return_1): New.
2127 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2129 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2130 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2131 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2132 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2133 (EH_RETURN_DATA_REGNO): New.
2134 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2135 * config/alpha/alpha.md (eh_epilogue): Remove.
2136 (exception_receiver): Use $26 for ldgp input.
2137 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2139 2001-03-28 Richard Henderson <rth@redhat.com>
2141 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2142 * except.h: Likewise.
2144 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2145 (LIB2ADDEHDEP): New.
2146 (LIB2FUNCS_EH): Remove.
2147 (LIB2ADD): Remove LIB2ADDEH.
2148 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2149 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2150 (crt{begin,end}[S].o): Likewise.
2151 (except.o): Update includes.
2152 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2153 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2155 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2156 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2157 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2158 * builtins.c (expand_builtin): Implement it.
2159 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2160 * c-common.c (c_common_nodes_and_builtins): Declare it.
2161 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2162 * calls.c (libfunc_nothrow): Remove.
2163 (emit_library_call_value_1): Don't call it.
2164 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2165 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2166 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2167 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2168 (current_funcdef_number): Globalize.
2169 (output_call_frame_info): Emit frame data if an lsda is needed.
2170 Generate augmentation for personality routine. Don't play with
2172 (dwarf2out_begin_prologue): Record funcdef_number.
2173 * dwarf2out.h (current_funcdef_number): Declare.
2174 * expr.c (expand_expr): Update for except.h name changes.
2175 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2176 * expr.h (LTI_throw, LTI_rethrow): Remove.
2177 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2178 (LTI_eh_rtime_match): Remove.
2179 (LTI_unwind_resume, LTI_eh_personality): Add.
2180 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2181 * final.c (final): Don't call check_exception_handler_labels,
2182 init_insn_eh_region, or free_insn_eh_region.
2183 (final_scan_insn): Always emit debug labels for
2184 NOTE_INSN_EH_REGION notes.
2185 * flags.h (flag_new_exceptions): Remove.
2186 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2187 (record_active_eh_regions): Remove.
2188 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2189 Use can_throw_internal.
2190 (find_basic_blocks_1): Likewise.
2191 (move_stray_eh_region_notes): Remove.
2192 (find_label_refs): No eh_return_stub_label.
2193 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2194 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2196 (delete_unreachable_blocks): Don't track deleted handlers.
2197 (flow_delete_block): Use maybe_remove_eh_handler.
2198 (delete_eh_regions): Remove.
2199 (merge_blocks): Don't check for eh region match.
2200 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2201 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2202 (init_propagate_block_info): Disable dead frame store optimization
2203 when current_function_calls_eh_return.
2204 (dump_bb): Don't print eh_beg, eh_end.
2205 * function.c (fixup_var_refs): No catch_clauses.
2206 (expand_function_end): Likewise. Call expand_eh_return before
2207 the return register use. Call sjlj_emit_function_exit_after.
2208 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2209 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2210 * ifcvt.c (dead_or_predicable): Remove eh region check.
2211 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2212 Don't check for EH vs parameters.
2213 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2214 (expand_inline_function): Call duplicate_eh_regions.
2215 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2216 (copy_insn_notes): Remap REG_EH_REGION notes.
2217 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2218 * integrate.h (struct inline_remap): Add local_return_label.
2219 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2220 check_exception_handler_labels, nor exception_optimize.
2221 (find_cross_jump): No EH region check.
2222 * optabs.c (init_optabs): Update for changed eh libfuncs.
2223 * rtl.def (RESX): New.
2224 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2225 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2226 checks. Update for except.h name changes.
2227 (expand_cleanups): Likewise.
2228 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2229 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2230 (compile_file): Call init_eh before init_optabs. Don't
2231 output_exception_table here.
2232 (rest_of_compilation): Call convert_from_eh_region_ranges,
2233 convert_to_eh_region_ranges, output_function_exception_table.
2234 Don't emit_eh_context.
2235 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2236 (EXC_PTR_EXPR): New.
2238 * md.texi (eh_epilogue): Remove.
2239 (eh_return): Document.
2240 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2241 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2243 * eh-common.h: Remove file.
2244 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2245 * libgcc2.c (L_eh): Remove.
2247 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2248 * unwind-dw2-fde.h: New file.
2249 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2250 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2251 * libgcc-std.ver: Update for eh symbols.
2253 2001-03-27 Richard Henderson <rth@redhat.com>
2255 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2256 reduce false positives.
2257 (regmove_optimize): Disable if flag_non_call_exceptions.
2259 * stmt.c (expand_return): Remove always true predicate.
2260 (expand_decl_cleanup_no_eh): Remove dead code.
2262 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2263 barrier code. Add a scheduling barrier if a non-call insn
2264 can throw internally.
2266 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2267 Auto-inc addresses trap only if their base register does.
2269 * except.c (can_throw_internal): Rename from can_throw.
2270 * except.h, resource.c: Update references.
2272 * integrate.c (copy_insn_list): Use returnjump_p.
2273 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2275 * function.h (struct function): Move all boolean valued fields
2276 to single bit fields at the end of the struct.
2278 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2280 Rename asynchronous_exceptions to flag_non_call_exceptions.
2282 * gthr-single.h (UNUSED): New. Distinguish between how C
2283 and C++ mark unused function arguments. Use throughout.
2285 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2286 value to target configuration header.
2287 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2288 * config.in, configure: Rebuild.
2289 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2290 configuration and target defines.
2291 (exceptions_via_longjmp): Remove.
2292 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2293 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2295 * except.h (flag_non_call_exceptions): Move ...
2296 * flags.h: ... here.
2298 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2299 exceptions, put the note on the trapping instruction.
2301 * flags.h (flag_new_exceptions): Remove.
2302 * toplev.c: Don't set it.
2303 * final.c: Don't check it.
2304 * except.c: Provide stub definition.
2306 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2307 (calculate_global_regs_live): Kill call-clobbered registers
2308 across exception edges.
2309 * reg-stack.c (convert_regs_1): Kill the entire target stack
2310 across non-call exception edges.
2312 * flow.c (cleanup_cfg): Take no argument.
2313 * output.h, sibcall.c, toplev.c: Update all calls.
2315 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * configure.in: Don't check for bcopy.
2318 * configure, config.in: Regenerate.
2320 * system.h: Don't define or prototype bcopy, instead poison it.
2322 2001-03-27 Richard Henderson <rth@redhat.com>
2324 * function.c (expand_function_start): Set DECL_REGISTER on
2325 a pseudo used for DECL_RESULT.
2327 * rtl.h (LCT_NORETURN): New.
2328 * calls.c (emit_library_call_value_1): Handle it.
2330 2001-03-27 Stan Shebs <shebs@apple.com>
2332 * objc/objc-act.c (objc_init): Use dump_base_name.
2333 (gen_declaration): Clear the buffer arg.
2334 (gen_declaration_1): New function, body of gen_declaration.
2335 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2336 (gen_method_decl): Ditto, plus always clear buffer arg.
2337 (error_with_ivar): Simplify.
2338 (warn_with_method): Ditto.
2339 (build_message_expr): Don't clear buffers.
2340 (dump_interface): Ditto.
2341 (objc_debug): Ditto.
2342 (build_keyword_selector): Clear the buffer by only zeroing
2344 (objc_implementation_context): Declare.
2345 (start_class): Warn about missing @end.
2346 (finish_objc): Ditto.
2348 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2350 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2352 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2354 * Makefile.in (SYSTEM_H): Define.
2355 Depend on $(SYSTEM_H), not system.h.
2357 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2359 2001-03-27 Jim Wilson <wilson@redhat.com>
2361 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2363 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2364 (process_epilogue): New static function.
2365 (process_set): Call process_epilogue instead of emitting .restore
2367 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2369 * flow.c (struct reg_cond_life_info): New fields orig_condition
2371 (init_propagate_block_info): Set new fields.
2372 (mark_regno_cond_dead): Set and use new fields.
2373 (flush_reg_cond_reg_1): Likewise.
2374 (and_reg_cond, case AND): Check for redundant AND conditions.
2375 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2378 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2380 * cppmacro.c (stringify_arg): Null terminate strings.
2382 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2384 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2385 inclusion style. xm-m68hc11.h no longer exists.
2386 * config/m68hc11/xm-m68hc11.h: Delete file.
2387 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2389 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2390 Don't define GCC_VERSION, N_, or PARAMS; don't include
2391 gansidecl.h or stdio.h. Define inhibit_libc here.
2392 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2393 Delete code conditioned on #if GCC_VERSION == 2095.
2395 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2396 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2397 Delete code conditioned on #if GCC_VERSION == 2095.
2399 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2401 * system.h: Include symcat.h.
2402 (STRINGIFY): Don't define.
2404 * configure.in: Adjust comment.
2406 * builtins.c: Use STRINGX, not STRINGIFY.
2407 * gencheck.c: Likewise.
2408 * gengenrtl.c: Likewise.
2409 * protoize.c: Likewise.
2411 * cpplex.c: Don't include symcat.h.
2412 * cpplib.c: Likewise.
2414 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2416 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2418 * c-typeck.c (digest_init): Fold init expression.
2420 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2422 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2424 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2426 * except.c (eh_regs): Save results of build_pointer_type to a temp
2427 as FUNCTION_VALUE macro may evaluate its args multiple times.
2429 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2431 * c-common.h (DECL_NUM_STMTS): New macro.
2432 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2434 (pushdecl): Likewise.
2435 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2436 * integrate.c (expand_inline_function): Don't check
2438 * print-tree.c (print_node): Don't print it.
2439 * toplev.c (rest_of_compilation): Don't try to inline when
2440 flag_no_inline is on.
2441 * tree.h (DECL_FRAME_SIZE): Remove.
2442 (tree_decl): Adjust accordingly.
2444 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2446 * combine.c (try_combine): Use memcpy, not bcopy.
2448 * genattrtab.c (expand_units): Likewise.
2450 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2452 * i386.md (push mem DI peep2): New.
2453 (mov 0, mov -1 peep2): Handle 64bit.
2454 (lea to arithmetics peep2): Handle 64bit leas.
2455 (rsp arithmetics to push/pop peep2s): New.
2457 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2459 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2461 * i386.c (struct machine_function): Add save_varrargs_registers.
2462 (ix86_save_varrargs_registers): New macro.
2463 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2464 (ix86_expand_prologue): Likewise.
2465 (ix86_emit_epilogue_esp_adjustement): Likewise.
2466 (ix86_expand_epilogue): Likewise.
2467 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2468 (pro_epilogue_adjust_stack_1): New insn.
2469 (pro_epilogue_adjust_stack_rex64): Likewise.
2470 * i386.h (MASK_NO_RED_ZONE): New constant.
2471 (TARGET_RED_ZONE): New macro.
2472 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2473 (RED_ZONE_SIZE): New constant.
2474 (RED_ZONE_RESERVE): New constant.
2476 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2480 2001-03-25 Kazu Hirata <kazu@hxi.com>
2482 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2485 (umodhi3): Likewise.
2488 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2490 * mkconfig.sh (DEFINES): Handle entries with '='.
2492 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2493 Set xm_defines to MACRO=value instead.
2495 * i370/xm-mvs.h: Delete.
2497 * ns32k/xm-pc532-min.h: Likewise.
2499 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2501 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2503 use ix86_expand_binary_operator
2504 (?sh??i_?): Disable for 64bit.
2505 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2506 * i386.c (shiftdi_operand): New predicate.
2508 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2509 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2510 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2511 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2512 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2513 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2514 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2515 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2516 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2517 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2518 (rotldi3, rotrdi3): New expanders.
2520 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2522 * i386.md (movstrsi): Move offline.
2524 (strmovdi_rex64): New.
2525 (strmov?i): Accept 64bit.
2526 (strmov?i_rex64): New.
2527 (strmov?i_rex_1): New.
2528 (strmov?i_1): Disable for 64bit.
2529 (rep_mov?i_rex64): New.
2530 (rep_mov?i): Disable for 64bit.
2531 (clrstrsi): Move offline.
2532 (strset?i_rex64): New.
2533 (strset?i: Accept 64bit.
2534 (rep_stos?i): Disable for 64bit.
2535 (rep_stos?i_rex64): New.
2536 (strset?i_rex_1): New.
2537 (strset?i_1): Disable for 64bit.
2538 (cmpstrsi): Accept 64bit.
2539 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2540 (cmpstrqi_nz_rex_1): New.
2541 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2542 (strlensi): Move offline.
2544 (strlenqi_1): Disable for 64bit; fix constraints.
2545 (strlenqi_rex_1): New.
2546 * i386.c (ix86_adjust_counter): New static function.
2547 (ix86_zero_extend_to_Pmode): Likewise.
2548 (ix86_expand_aligntest): Likweise.
2549 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2550 (ix86_expand_movstr): New global function.
2551 (ix86_expand_clrstr): New global function.
2552 (ix86_expand_strlen): New global function.
2553 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2554 ix86_expand_strlen): Declare.
2555 (ix86_expand_strlensi_unroll_1): Delete.
2557 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2559 * i386.md (cmpdi): Fix operand predicates.
2560 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2561 cmpdi_1_insn_rex64): New patterns.
2562 (adddi3): Turn to expander.
2563 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2564 (addsi3_carry_zext): New pattern.
2565 (adddi_?_rex64): New patterns and splitters.
2566 (addsi_?_zext): New patterns.
2567 (subsi3_carry_zext): New pattern.
2568 (subdi_?_rex64): New patterns and splitters.
2569 (iorsi_?_zext): New patterns.
2570 (iordi_?_rex64): New patterns and splitters.
2571 (iorsi_?_zext): New patterns.
2572 (iorsi_?_zext_imm): New patterns.
2573 (xorsi_?_zext): New patterns.
2574 (xordi_?_rex64): New patterns and splitters.
2575 (xorsi_?_zext): New patterns.
2576 (negdi*): New patterns.
2577 (one_cmpldi*): Likewise.
2578 (one_cmplsi*_zext, negsi*_zext): Likewise.
2579 (testqi_ext_3_rex64): New pattern.
2581 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2583 * i386-protos.h (ix86_split_long_move): Return void.
2584 * i386.c (ix86_split_to_parts): Handle 64bit target.
2585 (ix86_split_long_move): Likewise.
2586 * i386.md (all calls to ix86_split_long_move): Update.
2588 2001-03-23 Richard Henderson <rth@redhat.com>
2590 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2591 to avoid shadowing arguments.
2593 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2595 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2596 to variable names where DECL_NAME is different from
2597 DECL_ASSEMBLER_NAME.
2599 2001-03-23 Jim Wilson <wilson@redhat.com>
2601 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2602 (assemble_alias): Call make_decl_rtl.
2604 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2606 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2608 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2610 * extend.texi: Document the "java_interface" attribute.
2612 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2614 * mkconfig.sh: Use a subshell with redirected stdout,
2615 instead of closing stdout and confusing commands that run
2616 afterward. Throw away output of cmp.
2618 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2620 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2622 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2624 * i386.md (zero_extendsidi2_32): Break out from ...
2625 (zero_extendsidi2): ... here ; turn to expander.
2626 (zero_extendsidi2_rex64): New.
2627 (extendsidi2_32): Break out from ...
2628 (extendsidi2): ... here ; turn to expander.
2629 (extendsidi2_rex64): New.
2630 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2631 (trunc?f?f splitters): Add 64bit versions.
2633 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2635 * i386.md (pushsi, pushsi2_prologue): Disable.
2636 (pushsi2_rex64): New.
2637 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2638 (movqi_ext_1): Disable for 64bit.
2639 (movqi_ext_1_rex64): New.
2640 (pushdi2_rex64): New pattern, peep2s and splitter.
2641 (pushdi2_prologue_rex64): New pattern.
2642 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2644 (movdi splitters): Disable for 64bit.
2645 (movdi_1_rex64): New pattern, peep2s and splitters.
2646 (swapdi): New pattern.
2647 (pushsf): Disable for 64bit.
2648 (pushsf_rex64): New pattern and splitter.
2649 (pushdf_nointeger): Disable for 64bit.
2650 (pushdf_integer): Handle the 64bit case.
2651 (pushtf): Likewise; update splitters.
2653 2001-03-22 Richard Henderson <rth@redhat.com>
2655 * mkconfig.sh: Include insn-flags.h.
2656 * Makefile.in (CONFIG_H): Include insn-flags.h.
2657 (lots of objects): Remove insn-codes.h and insn-flags.h.
2659 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2660 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2661 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2662 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2663 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2664 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2665 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2666 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2667 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2668 v850/v850.c, vax/vax.c:
2669 Don't include insn-flags.h.
2671 * diagnostic.c, expr.h, reload.c, toplev.c:
2672 Don't include insn-codes.h.
2674 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2675 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2676 c4x/c4x.c, i960/i960.c, mips/mips.c:
2677 Don't include insn-codes.h or insn-flags.h.
2679 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2680 or insn-flags.h in the generated code.
2681 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2682 (main): Forward declare struct rtx_def.
2684 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2686 * invoke.texi (-ffast-math): Remove duplicate line about
2689 * gcc.texi: Remove more obsolete documentation of bugs and
2690 installation problems.
2692 2001-03-21 Kazu Hirata <kazu@hxi.com>
2694 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2697 2001-03-20 Jason Merrill <jason@redhat.com>
2699 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2701 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2702 * varasm.c (CHKR_PREFIX): Likewise.
2704 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2706 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2707 is part of a multi-SET insn.
2709 * cse.c (find_comparison_args): Remove previous change.
2710 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2713 * config/i386/i386.md (conditional_trap): Remove warning.
2715 * recog.c (push_operand): Fix error in last change that caused
2716 undefined symbol on many targets.
2718 * sdbout.c: #include ggc.h.
2719 (sdbout_init): Move to end of file.
2720 Call ggc_add_tree_root for anonymous_types.
2721 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2722 (sdbout_one_type): Use DECL_NAME for field name.
2723 * Makefile.in (sdbout.o): Show includes ggc.h.
2725 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2727 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2728 (override_options): Use properlimits for preferred_stack_boundary.
2729 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2731 (ext_register_operand): Accept DImode.
2732 (load_pic_register): Abort on 64bit.
2733 (gen_push): Use Pmode instead of SImode.
2734 (ix86_save_reg): Pic reg is never used on 64bit.
2735 (ix86_expand_prologue): Likewise.
2736 (ix86_emit_save_regs): Use Pmode instead of SImode.
2737 (legitimate_address_p): Check displacement for 64bit.
2738 (print_operand): Avoid outputting of (%rip) on 64bit.
2739 (print_operand_address): Output (%rip) where possible.
2740 (split_di): Abort on 64bit registers.
2741 (ix86_expand_branch): DImode comparison is simple for x86_64.
2742 (memory_address_length): Recognize memory addresses formed using
2744 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2746 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2748 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2750 * recog.c (push_operand): Recognize new format of push instructions.
2752 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2754 * i386.md (pushqi1): New.
2755 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2756 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2757 x86_64_immediate_operand, x86_64_immediate_operand,
2758 x86_64_zext_immediate_operand): Declare.
2759 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2760 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2761 x86_64_immediate_operand, x86_64_immediate_operand,
2762 x86_64_zext_immediate_operand): define.
2763 * i386.h (PREDICATE_CODES): Add new predicates.
2765 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2767 * i386.md (pophi1, popqi1, pushqi1): Remove.
2769 * expr.c (emit_single_push_insn): New function.
2770 (move_by_pieces): Accept NULL as destination for push instructions.
2771 (gen_push_operand): Kill.
2772 (emit_push_insn): Pass NULL when pushing; avoid updating of
2773 stack_pointer_delta.
2774 * expr.h (gen_push_operand): Kill.
2776 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2778 * rtl.texi (COMPARE): Clarify documentation and reference section
2781 2001-03-20 Stan Shebs <shebs@apple.com>
2783 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2784 (get_object_reference): Ditto.
2785 (error_with_ivar): Use error_with_file_and_line.
2786 (warn_with_method): Use warning_with_file_and_line.
2788 2001-03-20 Tom Tromey <tromey@redhat.com>
2790 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2792 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2794 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2795 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2797 2001-03-20 DJ Delorie <dj@redhat.com>
2799 * Makefile.in (install-libgcc): Pass complete list of variables.
2800 (install-multilib): Ditto.
2802 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2804 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2805 drectve_section, switch_to_section.
2807 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2808 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2809 i386_pe_mark_dllimport.
2811 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2813 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2814 functions i386_pe_*.
2816 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2817 i386_pe_* functions with char * arguments.
2819 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2821 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2823 (movsi_ie): Introduce fpul store.
2825 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2827 * Makefile.in (OBJS): Remove hashtab.o.
2829 2001-03-19 Stan Shebs <shebs@apple.com>
2831 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2832 * c-lang.c (maybe_objc_method_name): Ditto.
2833 * c-tree.h (maybe_objc_method_name): Remove decl.
2835 2001-03-19 Tom Tromey <tromey@redhat.com>
2837 * gcc.c (init_gcc_specs): Fix comment.
2839 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2841 Compute DECL_ASSEMBLER_NAME lazily.
2842 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2843 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2844 (SET_DECL_ASSEMBLER_NAME): Likewise.
2845 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2846 (set_decl_assembler_name): Declare.
2847 (lang_set_decl_assembler_name): Likewise.
2848 * tree.c (lang_set_decl_assembler_name): New variab.e
2849 (set_decl_assembler_name): New function.
2850 (init_obstacks): Set lang_set_decl_assembler_name.
2851 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2852 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2853 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2854 where it's not necessary.
2855 (builtin_function): Likewise.
2856 (finish_decl): Likewise.
2857 * dbxout.c (dbxout_type_methods): Likewise.
2858 * ggc-common.c (ggc_mark_trees): Likewise.
2859 * profile.c (output_func_start_profiler): Likewise.
2860 * varasm.c (make_decl_rtl): Likewise.
2862 * cse.c (find_comparison_args): Update documentation. Fix
2863 mishandling of COMPARE operations.
2865 * tree.def (ABS_EXPR): Add documentation.
2866 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2868 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2870 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2872 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2874 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2875 Remove ia32 linux PIC kludge and move it...
2876 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2878 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2880 * i386.md (absdf2 expander): Fix 64bit case.
2882 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2884 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2886 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2888 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2890 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2892 * README.X11: Remove obsolete file.
2894 2001-03-18 Anthony Green <green@redhat.com>
2896 * config/pj/pj.h: Remove some trailing commas.
2897 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2899 2001-03-18 Richard Henderson <rth@redhat.com>
2901 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2902 * calls.c: ... here.
2903 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2904 defaults for them here.
2906 2001-03-17 Anthony Green <green@redhat.com>
2908 * config/pj/lib1funcs.S: Fix broken comment.
2909 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2912 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2914 * gcc.texi: Remove obsolete information relating to build and
2915 installation problems with enquire or the Pyramid C compiler.
2917 2001-03-17 Richard Henderson <rth@redhat.com>
2919 * dwarf2out.c (queue_reg_save): New.
2920 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2921 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2923 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2924 (cfa, cfa_store, cfa_temp): Make static.
2925 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2927 2001-03-17 Richard Henderson <rth@redhat.com>
2929 * integrate.h (struct inline_remap): Add local_return_label.
2930 * integrate.c (expand_inline_function): Initialize it and emit
2931 it after copy_insn_notes.
2932 (copy_insn_list): Don't store local_return_label here.
2933 (copy_insn_notes): New function split out from copy_insn_list.
2935 2001-03-17 Richard Henderson <rth@redhat.com>
2937 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2938 is generating .debug_line.
2939 (dwarf2out_init): Add main_input_filename to the file table first.
2940 * configure.in (as_dwarf2_debug_line): Test with file number 1
2941 instead of file number 0.
2943 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2945 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2946 (gen_rtx_combine): Deleted; all references changed as appropriate.
2947 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2949 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2951 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2953 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2956 2001-03-16 Jim Wilson <wilson@redhat.com>
2958 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2959 then set it to LOC_REG (79) instead of aborting.
2961 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2963 * gccbug.in: Remove high priority.
2965 2001-03-16 Richard Henerson <rth@redhat.com>
2967 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2968 output with a space instead of deleting it.
2969 * configure: Regenerate.
2971 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2973 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2974 handles the gory details of converting an object file into
2975 something that's safe to grep.
2976 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2977 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2978 newlines at either end of the string we're looking for.
2979 Make 'checking ...' message less stilted.
2980 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2981 ARM in-memory layout and its hypothetical converse. Don't
2982 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2983 HOST_WORDS_BIG_ENDIAN.
2985 * configure.in: Adjust for renamed macro. Move
2986 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2987 * configure, config.in: Regenerate.
2989 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2991 * fixinc/Makefile.in: Set SHELL.
2993 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2995 * fixinc/fixincl.c (fix_with_system): Quote file names before
2996 passing them to shell.
2998 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3000 * Makefile.in: Use fix-header$(build_exeext) instead
3003 2001-03-16 Richard Henderson <rth@redhat.com>
3005 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3006 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3007 (size_of_line_prolog): Remove.
3008 (output_line_info): Compute prologue size via label difference.
3009 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3011 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3012 assembler error when redefining file numbers.
3013 * config.in, configure: Rebuild.
3015 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3016 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3017 (dw2_asm_output_delta_uleb128): Likewise.
3018 (dw2_asm_output_delta_sleb128): Similarly.
3019 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3021 2001-03-16 Michael Meissner <meissner@redhat.com>
3023 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3025 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3027 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3029 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3030 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3031 being unsigned in ISO C and signed in traditional.
3032 (expand_prologue): Ditto.
3033 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3035 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3037 (divsi3,divdi3): Ditto.
3038 (modsi3,moddi3): Ditto.
3039 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3040 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3041 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3044 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3046 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3047 SSE based conditional moves on LTGT/UNEQ conditions;
3048 Canonicalize EQ to NE.
3049 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3050 (sse_mov?fcc_ne): New.
3052 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3054 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3056 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3057 register may be dead.
3059 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3061 * Makefile.in (hash.o): Depend on CONFIG_H.
3063 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3065 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3067 2001-03-15 Richard Henderson <rth@redhat.com>
3069 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3070 (ASM_OUTPUT_DWARF_PCREL): New.
3071 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3073 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3075 * cppfiles.c (stack_include_file): Use MAX of sysp.
3077 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3079 * config.gcc (ia64*-*-hpux*): New case.
3080 * config/ia64/hpux.h: New file for HP-UX support.
3081 * config/ia64/t-hpux: New file for HP-UX support.
3083 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3085 * fixinc/inclhack.def (irix_stdio_va_list): New.
3086 * fixinc/fixincl.x: Rebuilt.
3088 2001-03-15 Richard Henderson <rth@redhat.com>
3090 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3091 if provided by the target.
3092 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3093 (dw2_asm_output_addr): New.
3094 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3095 * dwarf2out.c (output_cfi): Use it for program addresses.
3096 (output_call_frame_info, output_die): Likewise.
3097 (output_aranges, output_line_info): Likewise.
3099 2001-03-15 Bruce Korb <bkorb@gnu.org>
3101 * gcc.c(main): make more rigorous
3102 * collect2.c(main): guard against ignoring SIGCHLD
3103 * protoize.c(main): ditto
3104 * gcc/fixinc/fixincl.c(initialize): ditto
3106 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3108 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3109 (sdbout_parms): Likewise.
3111 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3113 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3114 "widen" a destination that is already wider than a word. Also do
3115 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3117 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3119 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3121 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3123 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3125 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3127 * i960.h (i960_maxbitalignment,
3128 i960_last_maxbitalignment): Declare.
3129 * i960.c (i960_maxbitalignment,
3130 i960_last_maxbitalignment): Make global.
3131 (process_pragma): Delete.
3132 (i960_pr_align, i960_pr_noalign): Move from here ...
3133 * i960-c.c: ... to this new file.
3134 * t-960bare (i960-c.o): New rule.
3135 * t-vxworks960 (i960-c.o): Likewise.
3136 * config.gcc (i960-*-*): Define c_target_objs and
3139 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3141 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3142 without adding in rtx code and mode.
3144 * alias.c (init_alias_analysis): Don't use any rtx whose value
3145 varies as a known value.
3146 Delete a superfluous test.
3148 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3150 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3151 scheduling a stop bit.
3152 (ia64_emit_nops): Correctly handle ASMs.
3154 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3156 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3158 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3160 * cpp.texi: Update documentation for -include and -imacros.
3161 * cppfiles.c (struct include_file): Remove "defined" memeber.
3162 (find_or_create_entry): Make a copy of the file name, and
3164 (open_file): Update to ensure we use the simplified filename.
3165 (stack_include_file): Don't set search_from.
3166 (cpp_included): Don't simplify the path name here.
3167 (find_include_file): New prototype. Call search_from to
3168 get the start of the "" include chain. Don't simplify the
3170 (_cpp_execute_include): New prototype. Move diagnostics to
3171 do_include_common. Update.
3172 (_cpp_pop_file_buffer): Don't set defined.
3173 (search_from): New prototype. Use the preprocessor's cwd
3174 for files included from the command line.
3175 (read_name_map): Don't simplify the pathname here.
3176 * cpphash.h (enum include_type): New.
3177 (struct buffer): Delete search from. New search_cached.
3178 (_cpp_execute_include): Update prototype.
3179 * cppinit.c (do_includes): Use _cpp_execute_include.
3180 * cpplib.c (do_include_common): New function.
3181 (do_include, do_include_next, do_import): Use it.
3183 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3185 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3186 contents of the RTL, to determine the name of the object.
3188 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3190 * tree.h (DECL_RTL): Allocate RTL lazily.
3191 (SET_DECL_RTL): New macro.
3192 (DECL_RTL_SET_P): Likewise.
3193 (COPY_DECL_RTL): Likewise.
3194 (DECL_RTL_IF_SET): Likewise.
3195 * varasm.c (make_decl_rtl): Add assertions about the kind of
3196 declaration we are processing.
3197 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3198 (start_decl): Likewise.
3199 (finish_decl): Likewise.
3200 * c-semantics.c (emit_local_var): Likewise.
3201 * calls.c (expand_call): Likewise.
3202 * dbxout.c (dbxout_symbol): Likewise.
3203 * emit-rtl.c (unshare_all_rtl): Likewise.
3204 (unshare_all_decls): Likewise.
3205 (reset_used_decls): Likewise.
3206 * expr.c (store_constructor): Likewise.
3207 (safe_from_p): Likewise.
3208 (expand_expr): Likewise.
3209 * function.c (put_var_into_stack): Likewise.
3210 (instantiate_decls_1): Likewise.
3211 (assign_parms): Likewise.
3212 (expand_function_start): Likewise.
3213 (expand_function_end): Likewise.
3214 * ggc-common.c (gcc_mark_trees): Likewise.
3215 * integrate.c (function_cannot_inline_p): Likewise.
3216 (copy_decl_for_inlining): Likewise.
3217 (expand_inline_function): Likewise.
3218 (integrate_parm_decls): Likewise.
3219 (integrate_decl_tree): Likewise.
3220 * print-tree.c (print_node): Likewise.
3221 * reg-stack.c (stack_result): Likewise.
3222 * stmt.c (label_rtx): Likewise.
3223 (expand_return): Likewise.
3224 (expand_decl): Likewise.
3225 (expand_decl_cleanup): Likewise.
3226 (expand_anon_union_decl): Likewise.
3227 * toplev.c (check_global_declarations): Likewise.
3228 (rest_of_decl_compilation): Likewise.
3229 * tree.c (simple_cst_equal): Likewise.
3230 * objc/objc-act.c (generate_static_references): Likewise.
3232 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3234 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3235 gcc_AC_C_FLOAT_FORMAT): New macros.
3236 * configure.in: Add AC_PROG_CPP after CC tests;
3237 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3238 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3239 * configure, config.in: Regenerate.
3241 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3242 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3243 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3244 config/i370/xm-linux.h, config/i370/xm-oe.h,
3245 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3246 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3247 config/pa/xm-linux.h, config/pa/xm-pa.h,
3248 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3249 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3250 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3251 config/we32k/xm-we32k.h: Delete.
3253 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3254 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3255 config/vax/xm-vms.h: Don't define any of:
3256 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3258 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3260 * config.gcc: Remove references to deleted files.
3261 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3262 FATAL_EXIT_CODE, which is the same between oe and mvs).
3264 2001-03-14 DJ Delorie <dj@redhat.com>
3265 Vladimir Makarov <vmakarov@redhat.com>
3267 * config/i960/i960.c (i960_function_prologue): Compute size of
3268 frame according to number of registers actually saved there.
3270 2001-03-14 Richard Henderson <rth@redhat.com>
3272 * expr.c (emit_move_insn_1): Fix else if around #endif.
3274 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3277 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3280 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3282 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3283 (override_options): Parse cmodel string.
3284 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3285 * i386.h (TARGET_OPTIONS): Add "cmodel".
3286 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3288 (ix86_cmodel_string, ix86_cmodel): Declare.
3290 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3293 * i386.h (GENERAL_REG_P): Add missing REG_P.
3295 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3297 * configure.in: Use $gcc_cv_as instead of $as.
3298 * configure: Regenerated.
3300 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3302 * cppfiles.c (stack_include_file): Only increase the include
3303 count if we actually process the file properly, as opposed
3304 to treating it as length zero. Only call read_include_file
3305 if not DO_NOT_REREAD. Handle the -H include file output
3307 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3308 (cpp_included, find_include_file): Simplify pathnames after
3309 remapping them. If remapping, don't use the remapped file
3310 name's buffer as our scratch buffer.
3311 (cpp_pop_file_buffer): Replace the multiple include macro
3312 only if it isn't yet set.
3313 (read_name_map): Simplify remapped names when reading in.
3314 (remap_filename): Move code to code path that uses it.
3315 (_cpp_simplify_pathname): Return the input pointer.
3316 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3318 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3320 * expr.c (expand_expr): Revove bogus conditional.
3322 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3324 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3326 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3328 * reg-stack.c (stack_result): Unconditionally use
3329 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3331 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3333 * expr.c (emit_move_insn_1): Split push of complex value when
3334 no suitable push instruction exist.
3336 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3337 instead of QI_REG_P.
3339 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3341 * alias.c (handled_component_p, can_address_p): New functions.
3342 (get_alias_set): Use them.
3344 2001-03-13 Jim Wilson <wilson@redhat.com>
3346 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3347 from 80 in try_locals code.
3348 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3350 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3352 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3353 gcc_AC_C_LONG_LONG): New.
3354 * configure.in: Use them. Probe the size of short, int, long,
3355 and long long/__int64 if we have them. Move all the AC_C_*
3356 checks together, except gcc_AC_C_CHAR_BIT which has to go
3357 after AC_CHECK_HEADERS(limits.h).
3358 Take hwint.h out of host_xm_file and build_xm_file.
3360 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3361 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3362 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3363 Move the HOST_WIDEST_INT setup logic here from system.h.
3364 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3366 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3367 is now handled by hwint.h.
3369 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3370 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3371 config/ia64/xm-ia64.h: Don't define any of:
3372 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3373 HOST_BITS_PER_LONGLONG.
3375 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3376 config/h8300/xm-h8300.h, config/mips/iris6.h,
3377 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3378 config/sparc/xm-sp64.h: Delete.
3379 * config.gcc: Remove references to deleted files.
3381 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3382 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3383 * config/i370/xm-linux.h: Clarify floating-point situation in
3386 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3388 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3389 (find_include_file): Decide here which part of the include
3390 chain to start the search. Complain about an empty include
3391 chain in all cases apart from an abolsute file name.
3392 (_cpp_execute_include): Don't choose the search chain here.
3393 Don't call handle_missing_include in the case of an empty
3395 (_cpp_compare_file_date): Don't choose the search chain here.
3396 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3397 here from _cpp_execute_include. Behave like #include if
3398 we're in the main file.
3400 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3402 * system.h (malloc, realloc, calloc, strdup): Only poison these
3403 tokens when IN_GCC is defined.
3405 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3407 * i386.md (abs?f expander): Support SSE case.
3408 (abd?f_if): Add new "USE"; add splitters.
3410 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * cpp.texi (poison): Explain the macro expansion exception.
3414 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3416 * expr.c (store_expr): Add dont_store_target. If temp is already in
3417 target before copying to reg, don't store it into target again.
3419 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3421 * cppinternals.texi: Update for file handling.
3423 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3425 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3426 2001-02-24 which broke building the Java library.
3427 * function.c (identify_blocks): Likewise.
3428 (all_blocks): Likewise.
3429 * integrate.c (integrate_decl_tree): Likewise.
3430 * print-tree.c (print_node): Likewise.
3431 * tree.h (BLOCK_NUMBER): Likewise.
3432 (struct tree_block): Likewise.
3434 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3436 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3437 __WCHAR_TYPE__ definition.
3438 (WCHAR_TYPE_SIZE): #undef before #define.
3440 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3442 * cppfiles.c: Update comments.
3443 (destroy_include_file_node): Rename destroy_node.
3444 (find_or_create_entry): New function.
3445 (open_file, _cpp_fake_include): Use it.
3446 (handle_missing_header): New function, broken out of
3447 _cpp_execute include. Don't segfault if there is no
3448 system or quoted path.
3449 (_cpp_execute_include): Use handle_missing_header.
3451 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3453 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3454 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3456 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3458 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3459 unless anti_dependence says they are.
3460 * alias.c (objects_must_conflict): If neither has a type specified,
3463 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3464 David Billinghurst <David.Billinghurst@riotinto.com>
3466 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3468 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3470 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3471 (*_one_bit): Remove type on the match_operand in attributes.
3473 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3475 * i386.c: Commit forgotten hunk in previous patch.
3476 (regclass_map): Add extended registers.
3477 (dbx_register_map): Add missing frame register.
3479 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3481 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3483 * i386.md (x86_sahf_1): Disable for 64bit.
3484 (popsi*, pophi*): Likewise.
3485 (pushqi, pushhi): Likewise.
3486 (movdi, pushdi): Likewise.
3487 (zero extend DImode splitter): Likewise.
3488 (adddi, minusdi splitter): Likewise.
3489 (umulsidi): Likewise.
3491 (mulsidi): Disable for 64bit
3492 (lshift:DI/ashift:DI): Disable for 64bit.
3493 (loop patterns): Likewise.
3494 (call_pop, call_value_pop expanders and patterns): Likewise.
3495 (prologue_get_pc): Likewise.
3497 (fcmovDI pattern and splitter): Likewise.
3498 (movdfcc_1_rex64): New.
3500 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3503 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3504 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3505 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3506 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3507 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3508 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3509 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3510 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3511 (REGPARM_MAX): Set to 6 for x86_64.
3512 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3513 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3516 * (patterns that does use upper halves): Update constraints
3517 'q' to 'Q' and 'r' to 'R'.
3518 (cmpqi_ext_1): Disable for 64bit.
3519 (cmpqi_ext_3_insn): Likewise.
3520 (movqi_extzv_1): Likewsie.
3521 (addqi_ext_1): Liekwsie
3522 (testqi_ext_1): Liekwsie
3523 (andqi_ext_1): Liekwsie
3524 (xorqi_ext_1): Liekwsie
3525 (cmpqi_ext_1_rex64): New.
3526 (cmpqi_ext_3_insn_rex64): Likewise.
3527 (movqi_extzv_1_rex64): Likewsie.
3528 (addqi_ext_1_rex64): Liekwsie
3529 (testqi_ext_1_rex64): Liekwsie
3530 (andqi_ext_1_rex64): Liekwsie
3531 (xorqi_ext_1_rex64): Liekwsie
3533 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3535 * configure.in: Move check for unsigned enumerated bitfields
3536 to macro in aclocal.m4. Disable it for now.
3537 * configure, config.in: Regenerate.
3538 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3539 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3540 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3541 kind above its first use.
3543 * config/xm-interix.h, config/alpha/xm-alpha.h,
3544 config/i370/xm-linux.h, config/i386/xm-beos.h,
3545 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3546 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3547 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3548 Don't define ONLY_INT_FIELDS under any circumstances.
3550 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3552 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3553 config/sparc/xm-sysv4.h: Delete - now identical with some
3555 * config.gcc (hppa targets): Replace xm-pahpux.h and
3556 xm-papro.h with implicit xm-pa.h.
3557 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3560 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3562 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3563 before reload_cse_noop_set_p.
3565 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3567 * config.gcc: Where xm-host.h used to include another
3568 xm-host.h, list the nested header directly in xm_file. Remove
3569 references to deleted files. Can now use sparc/xm-sp64.h for
3572 * config/xm-linux.h, config/arm/xm-linux.h,
3573 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3574 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3575 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3576 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3577 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3580 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3581 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3582 bother to wrap #undef in #ifdef.
3583 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3584 Don't include xm-linux.h.
3585 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3587 * configure.in: Wrap regexps using [] in changequote block.
3588 Use expr : not echo | grep. Simplify regexps.
3589 * configure: Regenerate.
3591 56 xm-files remain, 22 xm-arch.
3593 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3595 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3596 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3597 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3598 (copy_object): Fix format specifier vs argument mismatch.
3600 * mips-tdump.c: Make local functions static.
3601 (rindex): Don't #undef.
3602 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3603 (fatal, fancy_abort): Delete.
3604 (read_seek): Avoid signed/unsigned compare.
3606 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3608 * combine.c (try_combine): Fix error in change to try original
3610 (gen_rtx_combine): Do same as gen_rtx for now.
3612 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3614 * configure.in: AC_SUBST xm_defines.
3615 * configure: Regenerate.
3616 * Makefile.in: Set DEFINES=$(xm_defines) when building
3619 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3621 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3622 (cpp_included, find_include_file): Update.
3623 (_cpp_compare_file_date): Make else unconditional.
3625 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3627 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3629 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3631 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3632 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3634 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3636 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3637 if it's a record type.
3639 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3641 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3642 mingw includes slightly.
3644 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3646 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3647 #undef token before poisoning it.
3649 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * alpha.c (check_float_value): Use memcpy, not bcopy.
3653 * m32r.c (m32r_sched_reorder): Likewise.
3655 * vax.c (check_float_value): Likewise.
3657 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3659 * toplev.c (file_name_nondirectory): Remove.
3660 * toplev.h: Similarly.
3661 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3662 of file_name_nondirectory.
3664 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3666 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3667 * mips-tfile.c: Don't #undef rindex; not used.
3669 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3671 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3672 (dbx64_register_map): Declare.
3673 (RETURN_ADDR_RTX): Fix for 64bit.
3674 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3675 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3676 * i386.c (dbx64_register_map): New global array.
3677 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3678 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3681 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3683 * cppfiles.c (search_from): Use lbasename.
3684 * mkdeps.c (deps_add_default_target): Use lbasename.
3686 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3688 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3689 xcalloc in lieu of malloc, realloc & calloc.
3691 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3693 * gengenrtl.c (xmalloc): Likewise.
3695 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3696 really_call_* memory allocation routines.
3698 * stmt.c (check_for_full_enumeration_handling): Use
3699 really_call_calloc, not calloc.
3701 * system.h (really_call_malloc, really_call_calloc,
3702 really_call_realloc): Define.
3703 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3705 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3707 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3709 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3711 * configure: Rebuilt.
3712 * configure.in: Only use `lang_requires' for languages athat are
3715 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3717 * invoke.texi: Fix typo.
3718 * gcc.1: Regenerate.
3720 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3722 * configure.in: Prune nonexistent files from build_xm_file,
3723 xm_file, and host_xm_file lists. Warn unless they're
3725 Don't generate *config.h here.
3726 AC_SUBST all variables needed to generate *config.h.
3727 * configure: Regenerate.
3728 * mkconfig.sh: New helper script, from code removed from
3730 * Makefile.in: Zap all MALLOC variables - no longer used
3731 anywhere, and malloc.c doesn't exist.
3732 Substitute in variables needed to generate *config.h.
3733 Stop lying about the dependencies contained in CONFIG_H and
3735 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3736 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3737 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3738 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3739 $(TM_P_H), etc. as appropriate.
3741 * config.gcc: Zap references to deleted files.
3742 * ggc-none.c: Don't include rtl.h or tm_p.h.
3744 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3745 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3746 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3747 config/i386/xm-linux.h, config/i386/xm-linux.h,
3748 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3749 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3750 Don't include i386/xm-i386.h.
3752 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3753 config/i386/xm-i386.h, config/i860/xm-i860.h,
3754 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3755 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3756 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3757 Delete (empty except comments, #includes of other deleted
3758 files, and macros used nowhere).
3760 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3762 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3763 independent on TARGET_FLAGS.
3765 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3767 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3769 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3771 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3773 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3774 LAST_REX_SSE_REG): define.
3775 (enum reg_class): Add 'LEGACY_REGS'
3776 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3777 (SSE_REGNO_P): Recognize extended registers.
3778 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3779 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3780 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3781 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3782 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3783 REG_OK_FOR_STRREG_P): Remove.
3784 (HI_REGISTER_NAMES): Add extended registers.
3785 (ADDITIONAL_REGISTER_NAMES): Likewise.
3786 (QI_REGISTER_NAMES): Add 8bit extended registers.
3787 (DEBUG_REG): Support extended registers.
3788 * i386.c (regclass_map): Add extended registers.
3789 (dbx_register-map): Likewise.
3790 (svr4_dbx_register_map): Likewise.
3791 (print_reg): Support extended registers.
3792 (print_operand): Support 64bit operands.
3794 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3796 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3797 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3798 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3799 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3800 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3801 STACK_BOUNDARY): Set properly for 64bits.
3802 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3803 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3804 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3805 (MOVE_MAX): Set to 16.
3806 (MOVE_MAX_PIECES): 8 for 64bit.
3807 (Pmode): Set to SImode.
3809 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3811 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3813 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3815 * i386.h (mask_64bit): New constant.
3816 (target_64bit): New macro.
3817 (target_options): Add '64'/'32'
3818 (target_default): Define.
3819 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3820 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3821 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3823 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3825 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3827 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3829 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3830 LO_SUM unless for_alias is set.
3832 2001-03-08 Stan Shebs <shebs@apple.com>
3834 * objc/objc-act.c: Fix old typos in comments, add comments for
3836 (hash_init): Fix file name in error message.
3837 (hash_enter): Ditto.
3838 (hash_add_attr): Ditto.
3839 (continue_class): Ditto.
3841 2001-03-08 Bruce Korb <bkorb@gnu.org>
3843 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3844 wait4() can receive the signal.
3846 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3848 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3850 * fixinc/fixincl.x: Regenerate.
3852 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3854 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3856 * fixinc/fixincl.x: Regenerate.
3858 2001-03-08 Richard Henderson <rth@redhat.com>
3860 * configure.in (HAVE_AS_LEB128): New assembler check.
3861 * configure, config.in: Rebuilt.
3863 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3865 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3868 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3870 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3871 references to the MAXPATHLEN macro.
3873 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3874 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3877 * config/i386/xm-gnu.h, config/xm-gnu.h,
3878 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3879 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3880 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3881 and/or unused files.
3883 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3884 doing so in various xm-*.h files.
3886 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3888 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3890 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3892 * configure.in (enable_shared): Support per-package shared-library
3894 * configure: Rebuilt.
3896 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3898 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3899 for crnot. Set operands[5] in splitter.
3901 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3903 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3904 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3905 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3906 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3907 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3908 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3909 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3912 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3913 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3914 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3915 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3916 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3917 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3918 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3919 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3920 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3921 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3922 Delete unused and/or empty files.
3924 * config.gcc: Define USG in xm_defines as appropriate. Define
3925 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3926 macro. Remove deleted xm-* files from $xm_files variable.
3928 2001-03-07 Tom Tromey <tromey@redhat.com>
3930 * configure: Rebuilt.
3931 * configure.in: Allow config-lang.in to set `lang_requires' to list
3932 of other required languages.
3934 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3936 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3938 (output_prologue): Use xmalloc not oballoc.
3939 (output_epilog): Free a29k_first_epilogue_insn when finished.
3940 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3942 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3944 * builtins.c (expand_builtin_mathfn): Check
3945 flag_unsafe_math_optimizations, not flag_fast_math.
3946 (expand_builtin): Likewise
3947 * combine.c (combine_simplify_rtx): Likewise.
3948 (simplify_if_then_else): Likewise.
3949 * cse.c (fold_rtx): Likewise.
3950 * flags.h: Remove flag_fast_math. Add
3951 flag_unsafe_math_optimizations and flag_trapping_math.
3952 * fold-const.c (negate_expr): Check
3953 flag_unsafe_math_optimizations, not flag_fast_math.
3954 (invert_truthvalue): Likewise.
3955 (fold): Likewise. Before associating operands, check that
3956 code == MULT_EXPR, not code != MULT_EXPR.
3957 * ifcvt.c (noce_try_minmax): Check
3958 flag_unsafe_math_optimizations, not flag_fast_math.
3959 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3960 * invoke.texi: Document -funsafe-math-optimizations and
3961 -fno-trapping-math. Change documentation for -ffast-math.
3962 * jump.c (reversed_comparison_code_parts): Likewise.
3963 (rtx_equal_for_thread_p): Likewise.
3964 * optabs.c (emit_conditional_move): Likewise.
3965 * simplify-rtx.c (simplify_binary_operation): Likewise.
3966 (simplify_relational_operation): Likewise.
3967 (simplify_ternary_operation): Likewise.
3968 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3969 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3970 Add trapping-math and unsafe-math-optimizations entries to f_options.
3971 (set_fast_math_flags): New, sets flags for -ffast-math.
3972 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3973 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3974 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3976 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3977 (alpha_emit_conditional_move): Initialize local_fast_math to
3978 flag_unsafe_math_optimizations, not flat_fast_math.
3979 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3980 instead of setting flag_fast_math to 1.
3981 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3983 * config/i386/i386.c (override_options): Likewise
3984 * config/i386/i386.md: Likewise.
3985 * config/m68k/m68k.md: Likewise.
3986 * config/mips/mips.md: Likewise.
3987 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3988 (rs6000_generate_compare): Likewise.
3990 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3992 * Makefile.in: Set RANLIB to @RANLIB@.
3995 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3997 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3998 * fixinc/fixincl.x: Regenerated.
4000 2001-03-07 Richard Henderson <rth@redhat.com>
4002 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4004 2001-03-07 Richard Henderson <rth@redhat.com>
4006 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4007 of block notes and exception handling notes.
4009 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4010 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4011 (compile_file): ... here.
4013 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4015 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4017 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4018 config.h now. Include libiberty.h to handle alloca.
4020 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4022 * c-parse.in (yylexname): New function, split out of _yylex.
4023 (objc_rid_sans_at): New table.
4024 (init_reswords): Initialize it.
4025 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4026 retrieving the next token and checking it for significance as
4027 an ObjC keyword or string constant.
4029 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4030 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4032 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4035 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4037 * config/m68k/m68k.c (const_uint32_operand): Accept any
4038 const_int on a 32-bit host.
4040 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4042 * objc/objc-act.c (init_objc): Set save_lang_status,
4043 restore_lang_status, and mark_lang_status.
4045 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4047 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4049 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4051 * cppinternals.texi: Update.
4053 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4055 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4056 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4057 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4058 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4059 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4060 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4061 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4062 config/i386/xm-i386.h, config/i860/xm-i860.h,
4063 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4064 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4065 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4066 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4067 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4068 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4069 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4070 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4071 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4072 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4073 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4074 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4075 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4076 match the defaults provided in hwint.h.
4078 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4079 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4081 * config.gcc (xm_file): Don't set to files which are deleted.
4083 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4084 guard this file against these macros being undefined.
4086 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4088 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4089 and DECL_DEFER_OUTPUT on the decl we create, before calling
4090 rest_of_decl_compilation.
4092 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4094 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4096 * configure, config.in: Regenerate.
4097 * config.gcc: Remove references to deleted files.
4099 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4100 genrecog.c, rtl.c: Do not use alloca anywhere.
4102 * Makefile.in, build-make, system.h, config/x-interix,
4103 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4104 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4105 config/arc/xm-arc.h, config/arm/xm-arm.h,
4106 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4107 config/h8300/xm-h8300.h, config/i370/x-oe,
4108 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4109 config/i386/x-ncr3000, config/i386/x-sco5,
4110 config/i386/xm-dgux.h, config/i860/x-sysv4,
4111 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4112 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4113 config/m68k/x-hp320g, config/m69k/x-mot3300,
4114 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4115 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4116 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4117 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4118 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4119 config/mips/x-iris, config/mips/x-iris3,
4120 config/mips/x-sni-svr4, config/mips/x-sysv,
4121 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4122 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4123 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4124 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4125 config/pa/xm-papro.h, config/romp/xm-romp.h,
4126 config/rs6000/x-aix31, config/rs6000/x-aix41,
4127 config/rs6000/x-beos, config/rs6000/x-lynx,
4128 config/rs6000/x-mach, config/rs6000/x-rs6000,
4129 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4130 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4131 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4132 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4133 config/vax/xm-vms.h: Eradicate all references to alloca and
4136 * config/xm-alloca.h, config/clipper/x-clix,
4137 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4138 config/i860/x-sysv3, config/m88k/x-sysv3,
4139 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4140 (contained only alloca related hacks).
4142 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4145 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4147 * invoke.texi: Document __FAST_MATH__.
4149 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4151 * crtstuff.c: Restore include of auto-host.h.
4153 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4155 Put main() in a separate file, so that the language
4156 front-end can use a different main().
4159 * toplev.c: (main): Rename as toplev_main.
4160 * toplev.h: Declare toplev_main.
4161 * Makefile.in (OBJS): add toplev.o.
4162 (BACKEND): remove toplev.o, add main.o.
4164 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4166 * cppfiles.c (search_from): Special case the empty string.
4168 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4170 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4171 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4172 strlen or strcpy; we already know the length.
4173 (_cpp_compare_file_date): Similarly.
4174 * cpphash.h (struct cpp_reader): Delete done_initialising.
4175 (CPP_PREV_BUFFER): Delete.
4176 * cppinit.c (cpp_start_read): Don't set done_initialising.
4177 * cpplex.c (parse_string): Guarantee null-termination.
4178 (_cpp_equiv_toklists): Remove.
4179 * cpplib.c (glue_header_name): Null-terminate.
4180 (do_line): Don't leak memory.
4181 * cpplib.h (BT_WEAK): Delete.
4182 * cppmain.c (cb_ident): Strings are now null-terminated.
4184 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4186 * gcc.c (convert_filename): Append executable suffix
4187 if NO_AUTO_EXE_SUFFIX is not defined.
4188 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4189 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4191 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4193 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4194 * c-parse.gperf, c-gperf.h: Delete.
4195 (c-gperf.h was accidently re-added to the CVS repo in the rev
4196 1.16 commit by tromey)
4198 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4201 macro arguments when looking for the '('.
4202 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4203 2 when really parsing arguments; 1 when looking for '('.
4204 Always restore the lexer position.
4206 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4208 * longlong.h (umul_ppmm): Don't use a multiline string.
4210 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4212 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4213 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4214 t_bool in declaration because pcc can't combine volatile with typedef
4217 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4219 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4220 until when it is really needed.
4221 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4222 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4223 * i386.md (float?i?f splitter): Don't force source operand to memory
4225 (sse_movdfcc): Fix constraint.
4226 (sse_movdfcc splitter): Handle properly the second alternative.
4228 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4230 * cpplex.c (parse_string): Unconditionally pedwarn.
4232 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * cppexp.c (parse_number): Update.
4236 * cpplex.c (parse_string): Pedwarn if multiline string does not
4237 result from a system header's macro.
4238 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4239 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4240 for function-like macros too.
4241 * c-lex.c (lex_number): Update.
4243 2001-03-03 Richard Henderson <rth@redhat.com>
4245 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4247 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4249 * combine.c (try_combine): If split with mode-changed scratch
4250 register didn't work, try the original mode.
4252 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4254 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4255 * config/c4x/c4x.h: Likewise.
4256 * stor-layout.c (compute_record_mode): Likewise.
4257 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4259 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4261 * configure.in: Kill tm.h. Include the files in the $tm_file
4262 list in all three of config.h, hconfig.h, tconfig.h, after the
4263 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4264 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4265 * configure: Regenerate.
4266 * Makefile.in (clean): Don't delete tm.h.
4268 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4269 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4270 those are not defined, set SEC and FEC to 0 and 1.
4271 * gcc.texi: Update to match.
4273 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4274 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4275 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4276 Include tconfig.h, not tm.h.
4278 * config/xm-lynx.h, config/xm-std32.h,
4279 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4280 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4281 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4282 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4283 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4284 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4285 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4286 config/i386/xm-i386.h, config/i860/xm-i860.h,
4287 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4288 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4289 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4290 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4291 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4292 config/pa/xm-linux.h, config/pa/xm-pa.h,
4293 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4294 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4295 config/pj/xm-pj.h, config/romp/xm-romp.h,
4296 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4297 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4298 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4299 config/v850/xm-v850.h, config/vax/xm-vax.h,
4300 config/we32k/xm-we32k.h:
4302 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4304 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4305 config/i370/xm-oe.h: Don't include tm.h. Don't define
4307 * config/vax/xm-vms.h: Don't include tm.h.
4309 * config/xm-lynx.h, config/avr/xm-avr.h,
4310 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4311 Delete; made empty by above changes.
4312 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4313 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4314 Don't include config/xm-lynx.h or tm.h.
4316 * config/xm-gnu.h: Don't include fcntl.h.
4317 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4319 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4321 2001-03-02 Richard Henderson <rth@redhat.com>
4323 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4324 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4326 2001-03-02 Richard Henderson <rth@redhat.com>
4328 * Makefile.in (OBJS): Add dwarf2asm.o.
4329 * dwarf2asm.c, dwarf2asm.h: New files.
4330 * dwarf2out.c (*): Use them.
4331 (size_of_uleb128, size_of_sleb128): Remove.
4332 (output_uleb128, output_sleb128): Remove.
4333 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4334 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4335 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4336 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4337 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4338 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4339 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4340 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4341 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4342 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4343 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4344 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4345 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4346 (dwarf2out_frame_debug): Remove unused variables.
4347 (output_loc_operands): Don't abort on 8 byte constants if
4348 host integers are wide enough.
4349 (output_symbolic_ref): Remove.
4350 (size_of_die): Don't assume 4 byte host integers.
4351 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4353 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4354 something stupid with HOST_WIDE_INT to long truncation.
4355 [CONST_DOUBLE]: Likewise.
4357 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4358 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4359 * config/arm/unknown-elf.h: Likewise.
4360 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4361 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4362 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4363 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4364 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4365 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4366 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4367 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4368 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4369 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4370 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4371 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4373 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4375 * cselib.c (hash_rtx): Cast enums to unsigned int.
4377 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4379 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4380 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4382 * c-format.c (C_STD_VER): Cast to int for comparisons.
4383 (check_function_format): Cast various enums to int for &.
4384 (maybe_read_dollar_number): Likewise.
4385 (check_format_info): Likewise.
4386 (check_format_info_main): Likewise.
4387 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4388 (safe_from_p): Likewise.
4389 * varasm.c (const_hash): Cast enum to int for %.
4390 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4391 pcc enum problems with < and ++ operators.
4392 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4393 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4394 (regclass_init): Change enum class to int to iterate over reg_classes.
4395 * genrecog.c (merge_trees): Cast enums for comparison.
4396 * rtl.h (GET_CODE): Cast to enum rtx_code.
4397 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4398 (GET_MODE): Cast to enum machine_mode.
4399 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4400 (GET_NOTE_INSN_NAME): Cast enum to int.
4401 * tree.h (TREE_CODE): Cast to enum tree_code.
4402 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4403 * timevar.c (timevar_print): Change loop variable id from enum to
4405 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4406 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4407 * toplev.c (compile_file): Cast enum DFI to int.
4408 (decode_d_option): Likewise.
4410 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4412 * cppinit.c (append_include_chain): Mark "after" include file name list
4413 as a system directory.
4414 * cpp.texi: Document new behavior.
4416 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4418 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4420 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4422 * cppfiles.c (struct include_file): Update.
4423 (stack_include_file): Use search_from.
4424 (cpp_included, find_include_file): Update.
4425 (cpp_execute_include): Update. ptr->name may not be
4426 null terminated. Use the new search_from member variable
4428 (_cpp_compare_file_date): Similarly.
4429 (search_from): New function, similiar to actual_directory.
4430 (actual_directory): Delete.
4431 (remap_filename): Update. loc->name may not be null terminated.
4432 (struct file_name_list): Rename search_path. Update.
4433 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4434 search_from and dir.
4435 (struct cpp_reader): Remove actual_dirs.
4436 * cppinit.c (struct cpp_pending): Update for renamed objects.
4437 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4438 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4439 * cpplib.h (struct cpp_options): Similarly.
4441 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4443 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4444 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4445 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4446 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4447 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4448 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4449 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4450 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4451 config/i370/xm-oe.h, config/i386/xm-aix.h,
4452 config/i386/xm-i386.h, config/i386/xm-osf.h,
4453 config/i860/xm-i860.h, config/i960/xm-i960.h,
4454 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4455 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4456 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4457 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4458 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4459 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4460 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4461 config/pj/xm-pj.h, config/romp/xm-romp.h,
4462 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4463 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4464 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4465 config/v850/xm-v850.h, config/vax/xm-vax.h,
4466 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4467 Do not define TRUE or FALSE.
4469 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4470 empty by above change.
4471 * config.gcc: Remove references to these files.
4473 * configure.in: Detect stdbool.h.
4474 * configure, config.in: Regenerate.
4475 * system.h: Include stddef.h here if available.
4476 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4477 Then set up a sensible boolean type at the very end.
4479 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4480 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4482 * hash.h: Delete 'boolean' typedef and related #undefs.
4484 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4485 all uses of 'boolean' with 'bool'.
4487 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4489 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4490 * cppexp.c (lex): Cast enums for comparison.
4491 * cppinit.c (parse_option): Cast enum for comparison.
4492 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4493 (cpp_output_token): Likewise.
4494 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4495 (cpp_avoid_paste): Cast enums for minus and comparison.
4497 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4499 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4500 field to all array elements.
4502 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4504 * cpphash.h (struct cpp_reader): Add print_version field.
4505 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4506 just set print_version and other flags as appropriate.
4507 (cpp_post_options): Print version here if print_version is set.
4509 * toplev.c (exit_after_options): New flag.
4510 (independent_decode_option): Don't exit here; just set
4512 (main): Exit after calling lang_hooks.post_options if
4513 exit_after_options is true.
4515 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4516 (merge_include_chains): Adjust comment to match code.
4518 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4520 * stringpool.c (set_identifier): New function.
4521 * tree.h: Prototype it.
4523 * c-parse.in: Kill D_YES. If compiled for objc, call
4524 save_and_forget_protocol_qualifiers from init_reswords.
4525 * objc/objc-act.c (remember_protocol_qualifiers,
4526 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4527 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4529 (save_and_forget_protocol_qualifiers): New function.
4530 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4532 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4534 * c-semantics.c (prune_unused_decls): Return error_mark_node
4535 instead of (tree) 1 to stop traversing the tree chain.
4537 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4539 Fix a problem introduced by Kenner's Feb 18 change.
4540 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4541 flag_cse_skip_blocks only temporarily, not for ever.
4543 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4545 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4546 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4548 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4549 before determining its register class.
4551 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4553 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4554 from reg 4 if current_function_calls_setjmp.
4555 (gen_nop_type): New function.
4556 (ia64_emit_nops): New function.
4557 (ia64_reorg): Call it.
4558 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4560 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4561 code not to try to optimize adds with anything but a REG destination.
4563 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4564 (INSN_PRIORITY_KNOWN): New accessor macro.
4565 * haifa-sched.c (priority): Use it instead of testing priority against
4568 2001-02-28 DJ Delorie <dj@redhat.com>
4570 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4571 since that doesn't work the way gcc wants on a generic m68k.
4573 2001-02-28 Richard Henderson <rth@redhat.com>
4575 * caller-save.c (save_call_clobbered_regs): Fix typo in
4576 comparison last change.
4578 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4580 * i386.c (pentium4_cost): New.
4581 (m_PENT4): New macro.
4582 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4583 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4584 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4585 x86_memory_mismatch_stall): Add Pentium4
4586 (x86_use_q_reg, x86_use_any_reg): Kill.
4587 (override_options): Add pentium4.
4588 (incdec_operand): Return 0 for pentium4.
4589 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4590 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4591 (TARGET_PENTIUM4): Define.
4592 (enum processor_type): Add PROCESSOR_PENTIUM4.
4593 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4594 * i386.md (attribute "cpu"): Add pentium4.
4595 * invoke.texi (march): Add pentium4.
4597 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4599 * i386.md (sse_mov?fcc*): New patterns and splitters.
4600 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4601 the SSE based conditional moves.
4603 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4605 * i386.md (attribute mode): Add "TI".
4606 (movsf_1): Add pxor support; remove constant propagation splitter.
4607 (movdf_integer): Likewise.
4608 (movdf_nointeger): Likewise.
4609 (movxf constant prop splitter): Handle all modes; update for SSE.
4610 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4611 * i386.c (standard_80387_constant_p): Rewrite.
4612 (standard_sse_constant_p): New.
4613 * i386-protos.h (standard_sse_constant_p): New.
4615 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4617 * i386.md (sse_setccsf, sse_setccdf): New.
4618 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4620 * i386.c (sse_comparison_operator): Accept the supported unordered
4621 comparses; be ready for fast_math.
4622 (print_operand): Support 'D'.
4624 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4626 * jump.c (reversed_comparison_code): Kill.
4628 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4630 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4633 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4635 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4636 add missing '%' in constraints.
4638 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4640 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4641 for HOST_BITS_PER_WIDE_INT == 32 too.
4643 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4645 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4647 (insert_save, insert_restore): New parameter save_mode.
4648 (init_caller_save): Update initialization of reg_save_code
4649 and reg_restore_code.
4650 (save_call_clobbered_regs): Compute save_modes and update calls to
4651 reg_save_code and reg_restore_code.
4652 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4653 of spill; update use of reg_restore_code.
4654 (insert_save): Likewise.
4655 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4656 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4657 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4659 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4661 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4662 noce_try_store_flag_inc, noce_try_store_flag_mask,
4663 noce_try_cmove_arith):
4664 Use reversed_comparison_code instead of reverse_comparison and
4665 can_reverse_comparison_p.
4667 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4669 * jump.c (reversed_comparison_code_parts): Allow reversal of
4670 unordered compares in -ffast-math mode; reverse ordered compares
4671 for FP even w/o -ffast-math.
4673 2001-02-27 Richard Henderson <rth@redhat.com>
4675 * print-rtl.c (print_rtx) [i]: Don't print field five on
4676 NOTEs other than NOTE_INSN_DELETED_LABEL.
4678 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4680 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4681 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4683 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4685 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4686 even if walk_subtrees is 0.
4687 * c-semantics.c (prune_unused_decls): Return a non-null value to
4688 stop traversing the tree chain.
4690 2001-02-27 DJ Delorie <dj@redhat.com>
4692 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4693 register, *then* define it as the new CFA.
4695 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4697 * pa.c (override_options): Promote -fpic to -fPIC.
4698 (legitimize_pic_address): Simplify due to removal of
4699 small PIC as a code generation option.
4700 (secondary_reload_class): Similarly.
4701 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4702 (PRINT_OPERAND_ADDRESS): Similarly.
4703 * pa.md (various patterns): Similarly.
4704 (small pic lo_sum pattern): Remove.
4706 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4709 * md.texi (min, max): Document
4711 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4713 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4714 TARGET_PARTIAL_REG_DEPENDENCY.
4715 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4717 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4719 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4721 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4723 * mips.c (mips_make_temp_file): Fix thinko in last change.
4725 2001-02-26 Jason Eckhardt <jle@redhat.com>
4727 * combine.c (known_cond): Do not reverse the condition when
4728 SMAX/UMAX is being considered and the condition is for equality
4731 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4733 2001-02-26 Philip Blundell <philb@gnu.org>
4735 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4737 * config/arm/linux-elf.h: Remove historical relics related to
4738 above configurations.
4739 * config/arm/linux-oldld.h: Delete.
4740 * config/arm/linux-elf26.h: Delete.
4742 2001-02-26 Jason Merrill <jason@redhat.com>
4744 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4746 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4747 recognize a tentative definition. Lose obsolete code.
4749 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4750 variables unless necessary, either.
4752 2001-02-25 Richard Henderson <rth@redhat.com>
4754 * ifcvt.c (struct noce_if_info): Add test_bb.
4755 (noce_get_alt_condition): New.
4756 (noce_try_minmax, noce_try_abs): New.
4757 (noce_operand_ok): New.
4758 (noce_process_if_block): Use them.
4759 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4761 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4763 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4766 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4768 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4769 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4771 (mips_asm_file_end): Free temp_filename here.
4773 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4775 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4776 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4778 * config/i386/i386.md (movstrsi): Handle FAIL case.
4780 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4782 * cppinit.c (builtin_array): Update.
4783 (init_builtins): Flag builtins to warn if redefined or
4784 undefined. Define __GXX_WEAK as a normal macro.
4785 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4786 * cpplib.h (NODE_WARN): New flag.
4787 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4788 Handle __STDC__ as a builtin only on Solaris.
4789 (warn_of_redefinition): Renamed from check_macro_definition.
4790 Reverse sense of test. Always warn if NODE_WARN.
4791 (_cpp_create_definition): Use warn_of_redefinition. Flag
4792 any macro beginning with "__STDC_" to require a mandatory
4793 warning if redefined or undefined.
4795 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4797 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4798 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4799 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4800 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4801 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4802 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4803 Don't define any of:
4804 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4805 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4806 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4807 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4808 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4810 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4811 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4814 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4815 Delete now-empty file.
4817 * alpha/vms.h: Define NEED_ATEXIT here...
4818 * alpha/xm-vms.h: ...not here.
4820 * i386/cygwin.h: Don't define PARAMS.
4821 * mips/mips.c: Don't prototype mktemp. Don't define
4822 P_tmpdir. Use make_temp_file to create temporary files.
4823 Don't be clever and delete temporary files early.
4824 * config.gcc: Drop references to deleted files. Don't define
4826 * gcc.texi: Don't mention USE_PROTOTYPES.
4828 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4830 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4831 (ix86_set_move_mem_attrs_1): Likewise.
4832 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4833 * config/i386/i386.md (movstrsi): Call it.
4835 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4837 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4838 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4839 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4840 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4842 (i750a-*-*): Error here if hosting on i750a.
4843 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4845 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4846 Remove (empty modulo comments).
4848 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4849 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4850 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4851 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4852 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4853 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4855 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4856 Remove reference to winnt.h in comment.
4857 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4859 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4861 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4862 used to set another biv.
4864 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4866 * tree.h (BLOCK_DEAD): New macro.
4867 (struct tree_block): New flag, dead_flag.
4868 * print-tree.c (print_node, case 'b'): Print missing fields.
4869 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4870 * function.c (identify_blocks): Enable test for misplaced notes.
4871 (all_blocks): Skip BLOCK_DEAD blocks.
4872 * integrate.c (integrate_decl_tree): Likewise.
4874 * errors.c (internal_error, trim_filename): New functions.
4875 (fancy_abort): Call internal_error.
4876 * errors.h (internal_error, trim_filename): New declarations.
4878 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4880 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4882 (EXTRA_CONSTRAINT): Formatting changes.
4884 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4888 2001-02-23 Per Bothner <per@bothner.com>
4890 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4891 so they can be called from java/jvspec.c.
4892 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4894 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4896 * i386.c (ix86_frame): New structure.
4897 (ix86_compute_frame_size): Kill.
4898 (ix86_compute_frame_layout): New.
4899 (ix86_save_reg): New.
4900 (ix86_can_use_return_insn_p): Use frame layout stuff.
4901 (ix86_expand_prologue): Likewise.
4902 (ix86_expand_epilogue): Likewise.
4903 (ix86_initial_elimination_offset): Likewise.
4904 (ix86_nsaved_regs): Use ix86_save_reg.
4905 (ix86_emit_save_regs): Likewise.
4907 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4909 * flow.c (find_sub_basic_blocks): New function.
4910 (split_block): Be ready for basic block introduced by CODE_LABEL.
4911 (commit_one_edge_insertion): Call find_sub_basic_block.
4913 * flow.c (make_edges): Add edge from entry for blocks starting with
4914 label having ALTERNATE_NAME
4916 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4918 * function.c (epilogue_done): Be ready for first basic block not
4919 containing PROLOGUE_END note.
4920 (reposition_prologue_and_epilogue_notes): Avoid placing
4921 PROLOGUE_END note between BASIC_BLOCK.
4923 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4925 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4927 2001-02-21 DJ Delorie <dj@redhat.com>
4929 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4930 check for current_function_has_nonlocal_goto from 1999-11-12.
4932 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4934 * diagnostic.c (trim_filename): No longer static.
4935 * toplev.h (trim_filename): Declare.
4936 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4937 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4938 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4939 (rtvec_check_failed_bounds): Likewise.
4940 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4942 * convert.c (convert_to_integer): Don't do unsigned unless result or
4943 both inputs are unsigned.
4945 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4948 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4950 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4952 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4954 * Makefile.in (resource.o): Add params.h dependence.
4955 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4956 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4957 * resource.c: Add dependence on params.h.
4958 (current_live_regs): Fix explanatory comment.
4959 (find_basic_block): Add new parameter to permit limiting search
4961 (mark_target_live_regs): Add new argument to find_basic_block call.
4962 (incr_ticks_for_insn): Likewise.
4964 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4966 * diagnostic.c (output_to_stream): Rename to
4967 output_buffer_to_stream. Loses the stream parameter.
4968 (init_output_buffer): Set diagnosic_buffer's stream.
4969 (flush_diagnostic_buffer): Adjust.
4970 (default_print_error_function): Likewise.
4971 (finish_diagnostic): Likewise.
4972 (verbatim): Likewise.
4974 * diagnostic.h (struct output_buffer): Add `stream' field.
4975 (output_buffer_attached_stream): New macro.
4977 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4979 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4980 check if either operand is divisible by C.
4981 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4982 If type is signed, consider negative numbers as well.
4984 2001-02-22 Richard Henderson <rth@redhat.com>
4986 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4987 reach .text instead of gp-relative relocs.
4988 * config/ia64/crtend.asm (.init): Likewise.
4990 2001-02-22 Andreas Jaeger <aj@suse.de>
4992 * extend.texi (C++ Attributes): Fix typo.
4994 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4996 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4997 functions, drop current_function_args_info.words test.
4998 (ia64_compute_frame_size): Mark syscall_linkage functions as
4999 using eight input registers.
5001 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5002 Bruce Korb <bkorb@gnu.org>
5004 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5005 * fixinc/README: Document how to convert sed substitutions
5006 to format style c_fix-es.
5007 * fixinc/fixincl.x: regen
5009 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5011 * gcc.c: Add comment explaining how to add a command-line option.
5012 Add title to specs language comment.
5014 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5016 * gcc.c (cc1_options): Add "-param".
5017 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5018 (option_map): Likewise.
5019 * toplev.c (display_help): Add entry for "--param".
5020 (independent_decode_option): Fix typographical error.
5022 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5023 Bernd Schmidt <bernds@redhat.com>
5024 Jan Hubicka <jh@suse.cz>
5026 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5027 (function_arg): Likewise.
5029 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5031 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5033 2001-02-21 Kazu Hirata <kazu@hxi.com>
5035 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5039 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5041 * flow.c (init_propagate_block_info): Canon address and use single_set
5042 for killing dead memory stores.
5044 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5046 * Makefile.in (reorg.o): Add params.h dependence.
5047 * params.def: Fix typographical error in comment.
5048 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5049 * params.h: Modify introductory comment.
5050 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5051 * reorg.c: Add dependence on params.h.
5052 (redundant_insn): Add parameterized throttle for search.
5053 (fill_simple_delay_slots): Add a comment explaining a variable.
5054 Move conditional out of loop, simplifying code.
5055 (fill_eager_delay_slots): Fix typographical error in comment.
5057 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5059 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5061 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5062 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5064 2001-02-21 Jason Merrill <jason@redhat.com>
5066 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5067 (struct tree_decl): Add uninlinable bitfield.
5068 * c-decl.c (duplicate_decls): Set it.
5069 * integrate.c (function_cannot_inline_p): Check it.
5071 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5072 DW_AT_MIPS_linkage_name to abstract methods.
5073 (dwarf2out_abstract_function): Emit class context before calling
5074 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5075 (gen_subprogram_die): Remove obsolete code.
5076 (gen_member_die): Don't include clones in the member list.
5077 (gen_decl_die): Emit abstract info for clone origin.
5078 * dwarfout.c (output_type): Don't include clones in the member list.
5079 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5080 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5081 DECL_ABSTRACT on a function that already has it set.
5083 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5084 (get_subprogram_die): Pass it in.
5086 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5088 * flow.c (mark_set_1): Make not_dead unsigned long. For
5089 non-pseudos, use it as a bitmask of the hard regs that
5092 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5094 * cppfiles.c: Update comments.
5095 (_cpp_read_file): Don't check for NULL filenames any more.
5096 * cppinit.c (cpp_start_read): Don't do canonicalization of
5097 in_fname and out_fname. Use the passed file name exclusively.
5098 (_cpp_handle_options): Don't treat "-" as a command line option,
5099 but as a normal filename.
5100 (_cpp_post_options): Canonicalize in_fname and out_fname.
5101 * cppmain.c (printer_init): Don't check out_fname for NULL.
5102 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5103 (init_c_lex): Update, and use "" to represent stdin to CPP.
5106 2001-02-20 Will Cohen <wcohen@redhat.com>
5108 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5109 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5110 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5113 2001-02-20 Stan Shebs <shebs@apple.com>
5115 * config/rs6000/rs6000.c (output_cbranch): Output branches
5116 on separate lines instead of using ';' to separate.
5118 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5120 * cppinit.c (set_lang): Move builtin handling to...
5121 (init_builtins): ...here.
5122 (_cpp_create_reader): Move call to set_lang.
5124 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5126 * stmt.c (expand_return): If an attempt is made to return the
5127 error_mar_node, treat the return like a return without a value.
5129 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5131 * sibcall.c (skip_copy_to_return_value): Call
5132 identify_call_return_value here, and return orig_insn if it
5133 returns zero. Hardret and softret arguments now unnecessary.
5134 (call_ends_block_p): Don't call identify_call_return_value here.
5136 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5138 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5139 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5141 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5143 * pa.c (move_operand): Accept code to load the address of a
5144 symbol out of the DLT as a valid move operand.
5145 (print_operand, case 'A'): New to handle generating a DLT
5146 reference for a LO_SUM expression.
5147 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5148 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5150 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5152 * README, cpp.texi, gcc.texi, version.c: Update version number to
5154 * cpp.1, gcov.1, gcc.1: Regenerate.
5156 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5158 * cppfiles.c (stack_include_file): Generate dependencies
5159 here, and manage include_count here too.
5160 (PRINT_THIS_DEP): Delete.
5161 (_cpp_execute_include): Do not generate dependencies here,
5162 apart from the case of a missing header. Do not manage
5164 (_cpp_read_file): Leave dependency generation to
5167 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5169 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5170 target_cpu_default. Remove dead assignment to
5173 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5175 * regclass.c (contains_reg_of_mode): Make global.
5176 (init_reg_sets): Remove contains_reg_of_mode; take into account
5177 CLASS_MAX_NREGS when looking for the proper mode.
5178 (dump_regclass): Dump only classes considered for the pseudo.
5179 (regclass): Use contains_reg_of_mode.
5181 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5183 * gcc.c (do_spec_1): 'n' for printing notices.
5184 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5186 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5188 * reg-stack.c (next_flags_user): Use current_block->end
5189 (swap_rtx_condition): Look for next user if flags don't die;
5190 give up on CALL_INSNs; use current_block->end.
5192 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5194 * sibcall.c (call_ends_block_p): New function.
5195 (optimize_sibling_and_tail_recursive_call): Use it.
5197 2001-02-18 Kazu Hirata <kazu@hxi.com>
5199 * config/h8300/h8300.md: Update copyright.
5200 (andsi3): Do not output an extra newline character.
5202 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5204 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5205 FNDECL may be unused.
5207 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5208 follow jumps after first run.
5209 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5210 it doesn't change any jumps.
5212 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5214 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5215 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5216 (mostlyclean): Corresponding changes.
5217 * rtlanal.c (hard-reg-set.h): Include.
5218 (rtx_unstable_p): Do not treat the argument pointer specially
5219 if it is not a fixed register.
5220 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5222 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5224 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5225 against last real insn in basic block.
5226 Rework to avoid gotos.
5228 * Makefile.in (gcse.o): Now includes ggc.h.
5229 * gcse.c: Include ggc.h.
5230 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5231 (try_replace_reg): Remove warning of uninitialize variable.
5232 (process_insert_insn): Call invalid_insn_p to validate insn.
5233 * recog.c (insn_invalid_p): Now global.
5234 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5235 * recog.h (insn_invalid_p): New declaration.
5237 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5239 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5240 assignments from FP constants since 'Y' output code can't handle it.
5241 (eligible_for_sibcall_delay): Likewise.
5243 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5244 Call fancy_abort directly, passing args.
5245 (print_rtl_and_abort): Now a macro, like fancy_abort.
5247 * final.c (output_operand_lossage): Use internal_error, not error.
5249 2001-02-18 Shane Nay <shane@agendacomputing.com>
5251 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5252 structure shift insns.
5254 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5256 * invoke.texi (-fsquangle): Remove documentation.
5257 (-fname-mangling-version): Likewise.
5259 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5261 * optabs.c (expand_abs): Remove reference to
5262 HAVE_contitional_arithmetic.
5263 * combine.c (simplify_set): Likewise.
5265 2001-02-18 Richard Henderson <rth@redhat.com>
5267 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5270 2001-02-18 Richard Henderson <rth@redhat.com>
5272 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5274 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5276 * reload1.c (reload_cse_simplify_set): Fix typo.
5278 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5280 * diagnostic.c (_fatal_insn): Decrement errorcount.
5282 * invoke.texi (-I): Add note avoiding use for system header files.
5284 * rtl.h (add_clobbers): Remove duplicate declaration.
5285 * recog.h (added_clobbers_hard_reg_p): New declaration.
5286 * genemit.c (struct clobber_pat): New field has_hard_reg.
5287 (gen_insn): Record if added clobbers clobber hard reg.
5288 (gen_split): Avoid unused warning if number of operands is 0.
5289 (output_added_clobbers_hard_reg_p): New function.
5292 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5294 * pa.c (hppa_expand_prologue): Simplify code storing return
5295 pointer. For large (>=8k) frames with a post_store, adjust stack
5296 pointer by 8k-64 first rather than by 64. When testing with
5297 VAL_14_BITS_P, always use the actual value rather than the value
5298 negated. Add blockage to prevent scheduling of spills before
5299 stack frame has been created.
5300 (hppa_expand_epilogue): Simplify code loading return pointer.
5301 Allow a slightly larger range for merge_sp_adjust_with_load case.
5302 When testing with VAL_14_BITS_P, always use the actual value.
5304 * pa.c (pa_adjust_insn_length): Check that block move
5305 pattern is a set before looking at operands.
5307 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5309 * fold-const.c (fold_binary_op_with_conditional_arg): New
5310 function, split out from ...
5312 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5313 conditional arms that throw exceptions.
5315 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5318 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5320 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5321 define HAVE_DECL_* to 1 to mask potential backup declarations.
5322 * configure: Regenerated.
5324 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5326 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5328 2001-02-17 Richard Henderson <rth@redhat.com>
5330 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5331 when replacing a memory load with a register.
5333 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5334 Jan Hubicka <jh@suse.cz>
5336 * recog.c (validate_replace_src_1): New.
5337 (validate_replace_src_data): Likewise.
5338 (validate_replace_src): Use note_uses.
5339 * rtl.h (note_uses): Declare.
5340 * rtlanal.c (note_uses): New.
5342 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5344 * reg-stack.c (stack_def): Make field reg unsigned.
5345 (remove_regno_note): Unsignetize parameter.
5347 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5349 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5350 shladd_operand() call.
5352 2001-02-16 Bruce Korb <bkorb@gnu.org>
5353 Rodney Brown <RodneyBrown@mynd.com>
5355 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5356 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5357 machine restrictions
5358 * fixinc/fixincl.x: regen
5360 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5362 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5364 (hash_scan_insn): Clean up calls to hash_scan_set.
5365 (compute_kill_rd): REGNO now unsigned.
5366 (try_replace_reg): Rework to use simplify_replace_rtx.
5367 (cprop_jump, cprop_cc0_jump): Likewise.
5368 (cprop_insn): Call find_reg_equal_equiv_note.
5369 Reflect changes to cprop_jump and cprop_cc0_jump.
5371 * recog.c (validate_replace_src): Replace in operands of
5372 ZERO_EXTRACT in SET_DEST.
5374 * cse.c (new_label_ref): New variable.
5375 (insert): Set it instead of recorded_label_ref.
5376 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5377 CODE_LABEL for this function, and not already in REG_LABEL note.
5379 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5381 * resource.c (mark_referenced_resources): Fix typo in introductory
5383 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5386 2001-02-16 Jason Merrill <jason@redhat.com>
5388 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5390 (gen_subprogram_die): Don't abort on seeing a second definition if
5391 the previous one was abstract. Don't replace an abstract instance
5392 in the lookup table.
5394 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5395 gen_abstract_function.
5396 * dwarf2out.h: Declare it.
5397 * toplev.c (note_outlining_of_inline_function): New fn.
5398 * toplev.h: Declare it.
5399 * integrate.c (output_inline_function): Call it.
5400 * c-decl.c (duplicate_decls): Call it when redefining an extern
5401 inline. Don't inline the new defn.
5403 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5405 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5407 * .gdbinit: Rename to gdbinit.in.
5408 * gdbinit.in: New file,
5409 * configure.in: Generate .gdbinit from gdbinit.in.
5410 * configure: Regenerated.
5411 * Makefile.in (distclean): Always remove .gdbinit.
5413 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5415 * objc/objc-act.c (start_class): Register implemented_classes with
5418 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5420 * cppfiles.c (_cpp_make_system_header): Generate a file
5423 2001-02-15 Jim Meyering <meyering@lucent.com>
5425 * Makefile.in (install-common): Don't depend on installdirs here.
5426 Instead, make each of the lang.install-common targets (e.g.,
5427 c++.install-common in cp/Make-lang.in) depend on it.
5428 (install-driver): Depend on installdirs.
5430 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5432 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5434 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5437 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5439 * invoke.texi (--param): Document.
5441 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5443 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5445 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5447 * i386.md (extendsfdf2_2): Fix constraints.
5449 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5451 * i386.md (fop_df_3 splitter): Fix operand number.
5453 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5455 * invoke.texi (-mreg-alloc): Nuke.
5456 * i386.c (ix86_reg_alloc_order, regs_allocated,
5457 order_regs_for_local_alloc): Nuke.
5458 (override_options): Kill reg_alloc code.
5459 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5460 (REG_ALLOC_ORDER): SSE goes before I387.
5461 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5462 (ix86_reg_alloc_order): Likewise.
5463 * i386-protos.h (ix86_reg_alloc_order): Kill.
5465 2001-02-14 Richard Henderson <rth@redhat.com>
5467 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5469 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5471 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5473 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5475 * i386-protos.h (ix86_memory_move_cost): Move offline.
5476 * i386.c (ix86_register_move_cost): Compute properly cost of
5477 SSE, MMX and i387 instructions.
5478 (*_cost): Add costs of SSE/MMX moves.
5479 (ix86_memory_move_cost): Move offline from ....; Likewise.
5480 * i386.h (MEMORY_MOVE_COST): .... here;
5481 (struct processor costs): Add new fields to represent costs
5484 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5486 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5487 move_cost together with Matt Kraai's fix.
5489 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5491 * Makefile.in (OBJS): Add params.o.
5493 2001-02-14 Richard Henderson <rth@redhat.com>
5494 DJ Delorie <dj@redhat.com>
5496 * jump.c (jump_optimize_1): When we delete a conditional jump
5497 preceeding a non-conditional jump to effectively the same place,
5498 make sure that the combined jump skips any clobber insns between
5501 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5503 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5505 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5507 * Makefile.in (toplev.o): Depend on params.h.
5508 (intergate.o): Likewise.
5509 (params.o): New target.
5510 * flags.h (inline_max_insns): Remove.
5511 * integrate.c: Include params.h.
5512 Use MAX_INLINE_INSNS instead of inline_max_insns.
5513 * params.c: New file.
5514 * params.h: Likewise.
5515 * params.def: Likewise.
5516 * toplev.c: Include params.h.
5517 (lang_independent_params): New variable.
5518 (decode_f_option): Use the param machinery instead of setting
5520 (independent_decode_option): Handle "--param name=value".
5521 (main): Register language-independent parameters.
5523 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5525 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5527 2001-02-14 Richard Henderson <rth@redhat.com>
5529 * regclass.c (init_reg_sets_1): Revert last two changes.
5531 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5533 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5534 (variable_size): Call put_pending_size.
5535 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5536 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5537 sizes list, put newly created SAVE_EXPR there as well.
5539 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5541 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5542 (errata_find_address_regs): load_group has only 2 entries.
5543 (errata_emit_nops): Likewise. shladd is not problematic.
5544 Clear last_group if nop was emitted.
5545 (fixup_errata): load_group has only 2 entries.
5548 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5550 * c-lex.c (lex_number): Only warn traditionally for U suffix
5551 outside system macros.
5552 * cppexp.c (parse_number): Similarly.
5553 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5554 * cppmacro.c (struct cpp_macro): New member node.
5555 (parse_args): Only warn about missing rest args if not
5557 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5558 (cpp_sys_objmacro_p): New.
5559 (_cpp_create_definition): Store the node with the macro defn.
5560 Remember if the macro is defined in a system header.
5562 2001-02-13 DJ Delorie <dj@redhat.com>
5564 * configure.in (check_languages): determine languages to check
5565 * Makefile.in (check-c++): alias for check-g++
5566 (check-f77): alias for check-g77
5567 (CHECK_TARGETS): depend on configured languages
5569 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5571 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5572 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5573 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5574 (sqrtextendsfdf2): Disable for SSE2.
5576 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5578 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5579 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5580 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5581 (sqrtextendsfdf2): Disable for SSE2.
5583 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5585 * i386.md (movsfcc_1): Support integer cmove instruction.
5586 (movdfcc_1): Likewise; new splitter.
5588 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5590 * i386.c (output_fp_compare): Support SSE.
5591 (prepare_fp_compare_args): SSE comparisons always support memory.
5592 * i386.h (TARGET_CMOVE): SSE imply cmove.
5593 * i386.md (cmp?f2): Enable for SSE too.
5594 (cmpfp_i*): Support SSE.
5596 (cmpfp_i_sse_only): New.
5597 (s*, b* fp expanters): Enable for SSE too.
5598 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5601 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5603 * regclass.c (init_reg_sets_1): Silence warning.
5605 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5607 * i386.md (sqrt?f2): Change to expander.
5608 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5610 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5612 * rtlanal.c (find_reg_equal_equiv_note): New function.
5613 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5614 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5615 * rtl.h: Add declarations for above functions.
5617 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5619 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5621 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5622 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5623 * flow.c (mark_regs_live_at_end): Likewise.
5624 (calculate_global_regs_live): Likewise.
5625 * gcse.c (compute_hash_table): Likewise.
5626 (compute_kill_rd): Likewise.
5627 * resource.c (mark_target_live_regs): Likewise.
5628 * rtl.h (INVALID_REGNUM): New macro.
5630 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5632 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5634 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5636 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5639 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5641 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5643 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5644 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5645 (fop_sf_1_sse, fop_df_1_sse): New patterns
5646 (fop_*): Disable float_extend and float patterns for SSE compilation.
5647 * i386.c (output_387_binary_op): Support SSE.
5649 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5651 * i386.md (dummy_extendsfdf2): Support SSE2
5652 (extendsfdf2): Enable if 80387 or SSE2.
5653 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5654 and no MIX_I387_SSE2
5655 (extendsfdf2_1_sse_only): New pattern.
5656 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5658 (truncdfsf2_1): Support SSE.
5659 (truncdfsf2_2): Support SSE.
5660 (truncdfsf2_2_1_sse): New pattern.
5661 (fixtruncsfsi2): Always use SSE if available.
5662 (fix_truncsfsi_sse): New pattern.
5663 (fix_truncdfsi_sse): New pattern.
5664 (floatsis?f2): Support SSE.
5665 (floatsidf2_i387): New pattern.
5666 (floatsidf2_sse): Likewise.
5668 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5670 * configure.in: Use "have_gnat" variable, not "gnat".
5671 * configure: Regenerated.
5673 * config/sparc/sparc.c (function_value): Treat all non-record
5674 aggregate types like used to treat UNION_TYPE.
5676 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5678 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5679 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5681 (MASK_MIX_SSE_I387): New.
5682 (TARGET_SSE): SSE2 imply SSE.
5683 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5684 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5685 (enum reg_class): Add new classes.
5686 (REG_CLASS_NAMES): Likewise.
5687 (REG_CLASS_CONTENTS): Likewise.
5688 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5689 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5690 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5691 (CLASS_MAX_NREGS): Use new macros.
5692 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5693 * i386.md (pushsf, movsf): Support SSE.
5694 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5695 splitters to use ANY_FP_REGNO_P.
5696 (movdf_nointeger, movdf_integer): Likewise.
5698 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5700 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5701 (try_combine): Use it.
5703 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5705 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5706 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5707 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5708 (REGISTER_MOVE_COST): Likewise.
5709 * i386-protos.h (ix86_secondary_memory_needed,
5710 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5711 * i386.c (ix86_secondary_memory_needed,
5712 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5714 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5716 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5717 (HARD_REGNO_MODE_OK): Move offline to ....
5718 * i386.c (ix86_hard_regno_mode_ok) ... here;
5719 refuse all incorrect modes.
5720 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5722 2001-02-13 Richard Henderson <rth@redhat.com>
5724 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5725 entire operator; replicate that and match_dup the operands.
5726 (cmp_ccx_arith_op_set): Likewise.
5727 (cmp_cc_arith_op_not_set): Likewise.
5728 (cmp_ccx_arith_op_not_set): Likewise.
5730 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5732 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5734 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5736 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5737 (TARGET_NO_BITFIELD_WORD): New macro.
5738 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5739 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5741 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5743 * cselib.c: New file, from simplify-rtx.c.
5744 * simplify-rtx.c: Remove cselib parts.
5745 * Makefile.in: Add cselib.o.
5747 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5749 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5750 (setup_incoming_varargs): Remove warning.
5752 * config/rs6000/rs6000.c (validate_condition_mode): When
5753 flag_fast_math, allow floating-point conditionals to be reversed.
5754 (rs6000_generate_compare): When flag_fast_math, don't generate
5755 cror operations for FP conditionals.
5757 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5759 (ASM_SPEC): Likewise.
5760 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5761 (CC1_SPEC): Likewise.
5762 (LINK_TARGET_SPEC): Likewise.
5763 (CPP_ENDIAN_SPEC): Likewise.
5764 * Makefile.in (check-consistency): New target.
5766 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5768 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5769 "return type defaults" warning for functions with return type
5771 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5772 function declarations by default rather than only when pedantic.
5774 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5776 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5779 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5781 * extend.texi (Deprecated): Deprecate new initializer lists.
5783 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5785 * mkdeps.c (deps_add_default_target): Robustify. Add
5786 basename component only.
5787 * cpp.texi (-M): Describe how default target is generated.
5788 * invoke.texi (-M): Likewise.
5790 2001-02-12 Kazu Hirata <kazu@hxi.com>
5792 * toplev.c (push_float_handler): Remove.
5793 (pop_float_handler): Remove.
5794 * toplev.h: Remove prototypes for the above functions.
5796 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5798 * c-common.c (constant_fits_type_p): New function.
5799 (convert_and_check): Use it.
5801 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5803 * Makefile.in (GXX_ABI_FLAG): Don't define.
5804 * configure.in (--enable-new-gxx-abi): Remove option.
5805 * config.in: Regenerated.
5806 * configure: Likewise.
5808 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5810 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5812 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5813 regular basic block, and arrange for all edges into it to switch
5816 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5818 * Makefile.in (distclean): Do not remove .gdbinit.
5820 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5822 * Makefile.in (gcc.o): Fix typos.
5823 (protize.o): Likewise.
5824 (unprotoize.o): Likewise.
5826 2001-02-11 Richard Henderson <rth@redhat.com>
5828 * tree.c (build1): Check for null operand in last change.
5830 2001-02-11 Richard Henderson <rth@redhat.com>
5832 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5833 (fold): Don't assume a constant isn't foldable.
5834 * tree.c (build): Set TREE_CONSTANT for an expression with no
5835 side-effects and constant operands.
5838 2001-02-10 Richard Henderson <rth@redhat.com>
5840 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5842 2001-02-10 Anthony Green <green@redhat.com>
5844 * cpp.texi (Standard Predefined): Add documentation for
5847 * c-common.c (combine_strings): Improve warning message.
5849 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5851 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5853 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5855 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5857 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5860 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5862 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5865 2001-02-09 Nick Clifton <nickc@redhat.com>
5867 * config/arm/arm.md: Change output contraint on post inc
5868 load/store multiple patterns to be a read/write contraint.
5870 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5872 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5873 .o files when using the -M options.
5875 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5876 David Edelsohn <edelsohn@gnu.org>
5878 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5879 handle DImode constants. Use one TOC entry for SImode and smaller
5880 constants, aligned properly.
5882 2001-02-08 Jason Merrill <jason@redhat.com>
5884 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5885 about the SP adjustment for saving the static chain pointer.
5886 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5887 offset when setting a temporary CFA register.
5889 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5891 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5892 powerpc-*-chorusos* .
5893 * config/rs6000/chorus.h : New file.
5894 * config/i386/chorus.h : New file.
5895 * config/sparc/chorus.h : New file.
5896 * config/sparc/t-chorus-elf : New file.
5898 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5900 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5901 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5902 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5903 (__WCHAR_TYPE__): Correct macro name.
5905 2001-02-08 Richard Henderson <rth@redhat.com>
5907 * config/i386/i386.c (ix86_frame_pointer_required): New.
5908 (ix86_setup_frame_addresses): New.
5909 (struct machine_funciton): Add accesses_prev_frame.
5910 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5911 ix86_frame_pointer_required.
5912 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5913 (SETUP_FRAME_ADDRESSES): New.
5914 * config/i386/i386-protos.h: Update.
5915 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5916 from FRAME_POINTER_REQUIRED.
5917 * config/i386/svr3gas.h: Likewise.
5918 * config/i386/sysv3.h: Likewise.
5919 * config/i386/v3gas.h: Likewise.
5921 2001-02-08 Richard Henderson <rth@redhat.com>
5923 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5924 calculation of the number of integer registers required.
5925 (function_arg_record_value): Likewise.
5927 2001-02-08 Jason Merrill <jason@redhat.com>
5929 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5930 two. Print file and line with "confused" message.
5932 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5934 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5936 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5938 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5940 * final.c (cleanup_subreg_operands): The address of a MEM can
5943 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5946 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5948 * gcc.texi (Incompatibilities): Update documentation of
5949 preprocessing numbers.
5951 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5953 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5955 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5957 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5959 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5960 * gcc.c (struct compiler): Add cpp_spec field.
5961 (input_file_compiler): New variable.
5962 (do_spec_1): Allow a particular compiler to handle `%C'
5964 (main): Store the current compiler in input_file_compiler.
5965 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5967 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5969 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5970 * cppinit.c (cpp_create_reader): Initialize them.
5971 (append_include_chain): cxx_aware arg might be unused.
5972 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5973 keywords and give them their phase 7 meaning. Pedwarn about
5974 this unless '__bool_true_false_are_defined' is defined.
5976 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5978 * lcm.c (optimize_mode_switching): Emit mode_set before the
5979 JUMP_INSN of an abnormal edge.
5981 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5983 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5984 a scheduling barrier at the end.
5986 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5988 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5990 * config/sh/sh.md (reload_outsf): Removed.
5991 (movsf_ie): Introduce constraints for FPUL loads and stores.
5992 (reload_insf): Broaden the output constraint.
5994 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5996 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5997 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5999 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6001 * final.c: Revert my previous changes.
6002 * output.h: Make profile_label_no extern.
6003 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6004 for generating label.
6006 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6008 * config/i386/djgpp.h: Add comments about standard paths.
6009 (MD_EXEC_PREFIX): Undefine before defining.
6010 (MD_STARTFILE_PREFIX): New.
6012 2001-01-30 Bruce Korb <bkorb@gnu.org>
6014 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6015 (load_file): do not rely on load_file_data() to close file pointer
6016 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6017 fixinc/inclhack.def(irix_limits_const): add test_text
6019 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6021 * cppexp.c (parse_defined): Improve diagnostics for invalid
6024 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6026 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6028 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6030 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6031 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6032 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6033 (rs6000_output_symbol_ref): New function.
6034 (output_toc): Use VTABLE_NAME_P.
6036 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6038 * print-tree.c (print_node, case PARM_DECL):
6039 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6041 * stor-layout.c (reference_types_internal): New variable.
6042 (internal_reference_types): New function.
6043 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6044 * tree.h (internal_reference_types): New declaration.
6046 * cse.c (find_best_addr): Fix typo in computing cost.
6048 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6050 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6051 and this is the sum of a pointer and a constant, we know the result
6053 (num_sign_bit_copies, case PLUS): Likewise.
6054 * explow.c (convert_memory_address): Remove opposite SUBREG.
6055 * function.c (instantiate_new_reg): New function (from common code).
6056 (instantiate_virtual_regs_1): Call it.
6057 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6058 if pointers sign- or zero-extend.
6059 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6060 If pointers extend unsigned, use inside of SUBREG.
6061 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6063 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6065 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6066 subdir of gcc_gxx_include_dir.
6067 (gcc_gxx_target_include_dir): Remove.
6069 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6071 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6072 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6073 a high-level description.
6075 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6077 * final.c: Move the declaration of profile_label_no to ...
6078 * output.h: ... here.
6079 * function.c (expand_function_start): Call PROFILE_HOOK.
6080 * config/rs6000/aix.h: Define PROFILE_HOOK.
6081 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6082 * config/rs6000/rs6000.c (output_profile_hook): Define.
6083 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6084 output_profile_hook.
6085 tm.texi : Explain new macro PROFILE_HOOK.
6087 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6089 * extend.texi (Extended Asm): Do not say that semicolon is always
6090 a valid line-breaking character for GNU assemblers. Use
6091 newline-tab as the most commonly supported syntax. Use
6092 newline-tab rather than semicolon in multi-insn examples.
6094 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6096 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6098 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6099 David Edelsohn <edelsohn@gnu.org>
6101 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6102 code for AIX, even without flag_pic.
6104 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6106 * c-typeck.c (common_type): push and pop binding level around
6107 calling common_type on function parameters.
6109 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6111 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6113 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6115 * config/mips/mips.c (override_options): Fix typo in last change.
6116 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6117 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6119 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6121 * invoke.texi (-fdump-class-layout): Document.
6122 (-fdump-translation-unit): Use `=' as filename separator.
6124 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6126 * Makefile.in (s-mlib): Don't build multilibs if
6128 (DRIVER_DEFINES): Adjust accordingly.
6130 (protoize.o): Likewise.
6131 (unprotoize.o): Likewise.
6132 * configure.in: Recognize --enable-multilib.
6134 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6136 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6138 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6139 * configure.in: Remove --enable-libstdcxx_v3 support.
6140 * configure: Regenerated.
6142 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6144 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6145 Call abort instead of fatal.
6146 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6147 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6148 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6149 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6150 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6151 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6153 * diagnostic.h (set_internal_error_function): Renamed.
6154 * toplev.h (internal_error): Renamed from fatal.
6155 (pfatal_with_name): Deleted.
6156 (fatal_io_error): Now has printf-style arguments.
6157 * diagnostic.c (pfatal_with_name): Deleted.
6158 (fatal_io_error): Rework to have args in printf-style.
6159 (set_internal_error_function): Renamed from set_fatal_function.
6160 (internal_error): Renamed from fatal.
6161 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6162 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6163 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6164 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6165 * flow.c (verify_flow_info): Likewise.
6166 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6167 * config/mips/mips.c (save_restore_insns): Likewise.
6169 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6170 * flow.c (verify_flow_info): Likewise.
6171 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6172 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6173 (avr_normalize_condition): Likewise.
6174 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6175 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6176 (limit_reload_class, double_reg_to_memory): Likewise.
6177 (print_operand_address, emit_1600_code_shift): Likewise.
6178 (gen_tst_reg, gen_compare_reg): Likewise.
6179 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6180 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6182 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6184 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6185 * objc/objc-act.c (build_ivar_chain): Likewise.
6186 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6188 * graph.c (clean_graph_dump_file): Likewise.
6189 * profile.c (init_branch_prob): Likewise.
6190 * objc/objc-act.c (objc_init): Likewise.
6192 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6193 * config/avr/avr.c (avr_override_options): Likewise.
6194 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6195 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6196 * config/h8300/h8300.c (h8300_init_once): Likewise.
6197 * config/mips/mips.c (override_options): Likewise.
6198 * config/i386/i386.c (override_options): Likewise, rework.
6199 * config/m68k/m68k.c (override_options): Likewise.
6201 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6203 * config/mips/mips.c (print_operand): Likewise.
6204 * hash.c (hash_allocate): Don't check for failure returns from
6205 obstack functions that can't fail.
6206 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6207 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6208 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6209 (get_object_reference): Likewise.
6211 2001-02-04 Nick Clifton <nickc@redhat.com>
6213 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6214 StrongARM1110, 10TDMI, and 1020T.
6216 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6218 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6220 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6222 * config/sh/sh.md (movdf load split): Pass register number to
6223 FP_OR_XD_REGISTER_P.
6225 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6227 * cppinit.c (BC): New macro.
6228 (builtin_array): Add __GXX_WEAK__.
6229 * cpplib.h (builtin_type): Add BT_WEAK.
6230 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6231 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6232 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6234 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6236 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6238 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6240 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6241 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6243 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6245 * cpphash.h: Rename ALIGN _ALIGN.
6246 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6248 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6250 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6251 compilation environment.
6252 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6253 control over location of cygwin includes and libs.
6255 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6257 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6259 2001-02-02 lars brinkhoff <lars@nocrew.org>
6261 * md.texi (Standard Names): remove reference to spur.md.
6263 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6265 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6266 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6267 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6268 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6269 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6271 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6273 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6274 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6275 number before reload.
6276 (c4x_adjust_cost): Return zero before reload.
6277 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6278 split before reload.
6280 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6282 * c4x.c (c4x_hard_regno_rename_ok): New.
6283 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6284 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6286 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6288 * diagnostic.h: Add missing "extern" in all declarations.
6290 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6292 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6293 as for gcc_gxx_include_dir.
6295 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6297 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6299 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6301 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6302 label before alignment to be used as the braf base address.
6303 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6305 (casesi_jump_2): Require at least TARGET_SH2.
6307 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6308 truncation to 32-bit doubles on -m3e and -m4-single-only.
6310 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6312 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6313 the default when building a shared object.
6314 (init_spec): Use it.
6315 * testsuite/lib/g++.exp: Include the directory where libgcc
6316 is located to the LD_LIBRARY_PATH list.
6317 * invoke.texi (-shared-libgcc): Document the cases in which
6318 GCC defaults to using the shared libgcc.
6320 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6322 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6323 unsigned is wide enough.
6325 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6326 (si_to_float): Likewise.
6327 (float_to_si, float_to_usi): Use BITS_PER_SI.
6329 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6331 * dwarf2out.c: Added explanation of abbreviations.
6332 (def_cfa_1): Added comments listing DWARF2 instructions.
6333 (cfa_temp_reg): Removed in favor of cfa_temp.
6334 (cfa_temp_value): Removed in favor of cfa_temp.
6335 (cfa_temp): New global variable.
6336 (dwarf2out_frame_debug_expr): Added extensive introductory
6337 comments explaining the function's transformations. Revised to
6338 use cfa_temp. Added some rtx checking. Generalize IOR case.
6339 (dwarf2out_frame_debug): Revised to use cfa_temp.
6340 (output_aranges): Cast as "unsigned" to avoid warning.
6341 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6342 explain which instructions must be marked.
6344 2001-02-01 Richard Henderson <rth@redhat.com>
6346 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6349 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6351 * config/sh/crt1.asm (main_k): Modified so that start calls
6352 ___setup_argv_and_call_main.
6354 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6356 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6357 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6358 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6359 * cppmacro.c (builtin_macro): Set builtin flags here.
6360 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6361 (replace_args): Clarify intent.
6362 (cpp_get_token): Macro expansion tokens get the saved flags.
6364 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6367 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6369 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6372 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6374 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6375 returns Pmode pseudo, but we need ptr_mode.
6376 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6377 Remove bogus conversions; use HOST_WIDE_INT for size.
6378 Don't use TARGET if wrong mode.
6380 * config/i386/i386.c (ix86_compute_frame_size): Allow
6381 stack_alignment_needed to be non-default even if size is zero.
6383 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6385 * pa.c (hppa_init_pic_save): New function.
6386 * pa.h (hppa_init_pic_save): Declare.
6387 * pa.md (call, call_value, sibcall, sibcall_value): Use
6388 the above instead of duplicated code.
6390 * pa.c (hppa_encode_label): Correct size of alloca buffer
6391 so we don't overrun it. Correct leading `*' case.
6392 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6393 need to handle `*@'.
6394 (FUNCTION_NAME_P): Likewise.
6396 2001-01-31 Richard Henderson <rth@redhat.com>
6398 * config.gcc (alpha-osf5): Use float-i128.h.
6400 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6401 * config/float-i32.h: Likewise.
6402 * config/float-i64.h: Likewise.
6403 * config/float-sh.h: Likewise.
6404 * config/float-sparc.h: Likewise.
6406 2001-01-31 DJ Delorie <dj@redhat.com>
6408 * expmed.c (extract_bit_field): allow non-integral modes if we
6409 want to extract a whole register from itself.
6411 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6413 * c-typeck.c (set_init_index): If first is equal to last, assume as
6414 if it was not a range at all.
6416 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6418 * config/fp-bit.c: Include tm.h.
6419 (float_to_si): Don't assume SImode is 32-bits wide.
6420 (float_to_usi): Likewise.
6422 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6424 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6426 (typename): Call pending_xref_error after parsing typed_typespecs.
6427 * c-decl.c (lookup_tag): Give error immediately rather than
6428 leaving it pending if the tag of the wrong type is in the same
6430 (xref_tag): Don't pedwarn for forward declarations of enum types
6432 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6435 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6437 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6439 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6441 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6442 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6444 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6446 * cpphash.h (struct cpp_reader): New saved_flags.
6447 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6448 to avoid a paste after a pasted token.
6450 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6452 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6453 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6454 Wtype_MIN instead of LONG_MIN.
6456 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6458 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6460 * fixinc/fixincl.x: Regenerated.
6461 * fixinc/inclhack.def (irix_limits_const): New definition to
6462 convert "const" to "__const" in limits.h.
6464 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6466 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6468 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6470 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6471 when register dies in the insn.
6473 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6475 * diagnostic.c (fatal): Fix word wrap.
6477 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6479 * combine.c (try_combine): Fix SUBREG setting for
6480 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6482 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6484 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6487 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6489 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6491 * toplev.c (decode_W_option): Update warn_larger_than
6492 unconditionally for each processed switch.
6494 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6496 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6498 (hppa_expand_prologue): Delete code to save pic offset table register
6499 in the function prologue.
6500 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6501 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6502 table register at the beginning of the function after the prologue.
6504 2001-01-29 lars brinkhoff <lars@nocrew.org>
6506 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6508 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6509 Jeff Law <law@redhat.com>
6511 * pa.md (return): Revise comment for trivial return.
6512 (return_internal): Non-trivial return pattern for non-PIC code.
6513 (return_internal_pic): Non-trivial return pattern for PIC code.
6514 It uses the PIC register to ensure it is restored after
6516 (epilogue): Generate appropriate return for PIC and non-PIC code.
6518 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6520 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6522 2001-01-29 DJ Delorie <dj@redhat.com>
6524 * combine.c (if_then_else_cond): Pass the correct mode to
6525 operand_subword() for constants.
6527 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6529 * config/i386/cygwin.h: Add w32api to include search. Search different
6530 directories in a cross-build environment.
6532 2001-11-29 Tim Josling <tej@melbpc.org.au>
6534 * tree.h (TYPE_STUB_DECL): Add documentation.
6536 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6538 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6539 (sdbout_field_types): Likwise. Fix use of host_integerp.
6541 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6543 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6546 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6548 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6549 to use flag_gnu_linker.
6551 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6553 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6554 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6556 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6558 * tree.c, tree.h (build_parse_node): Remove; was identical to
6560 * c-lang.c (start_cdtor), objc/objc-act.c
6561 (build_module_descriptor): Use build_nt instead of
6564 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6566 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6567 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6568 not have any upper bits set.
6570 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6572 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6574 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6576 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6578 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6580 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6581 (integer_minus_one_node): Define.
6583 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6585 * Makefile.in (bootstrap2-lean): Fix typo.
6587 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6589 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6590 : Don't set fe_value.
6591 * cpplib.h (AVOID_LPASTE): New flag.
6592 (struct cpp_hashnode): Remove fe_value.
6593 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6594 * cppmacro.c (builtin_macro): Don't set flags here.
6595 (replace_args): Set AVOID_LPASTE flag on first token of an
6596 argument, and the token following it.
6597 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6598 macro expansion, and on the token following it. Do it for
6600 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6602 2001-01-27 Richard Henderson <rth@redhat.com>
6604 * config/alpha/t-ieee: Remove multilibbing.
6605 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6607 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6609 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6611 * Makefile.in: Remove all dependencies on defaults.h.
6612 * builtins.c: Don't include defaults.h.
6613 * c-common.c: Likewise.
6614 * c-decl.c: Likewise.
6615 * c-pragma.c: Likewise.
6616 * c-typeck.c: Likewise.
6617 * combine.c: Likewise.
6619 * frame-ia64.c: Likewise.
6620 * cppexp.c: Likewise.
6621 * crtstuff.c: Likewise.
6622 * dbxout.c: Likewise.
6623 * dwarf2out.c: Likewise.
6624 * dwarfout.c: Likewise.
6625 * emit-rtl.c: Likewise.
6626 * except.c: Likewise.
6628 * final.c: Likewise.
6629 * frame-dwarf2.c: Likewise.
6630 * libgcc2.c: Likewise.
6631 * optabs.c: Likewise.
6632 * profile.c: Likewise.
6633 * sdbout.c: Likewise.
6634 * toplev.c: Likewise.
6635 * tradcif.y: Likewise.
6637 * varasm.c: Likewise.
6639 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6641 * builtins.c (expand_builtin_fputs): Use size_one_node when
6642 transforming into fwrite.
6644 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6646 * extend.texi (Attribute Syntax): New section.
6648 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6650 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6651 they didn't need fixing.
6653 2001-01-27 Janis Johnson <janis@us.ibm.com>
6655 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6657 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6658 to remove macro definitions that are duplicated from elfos.h.
6660 2001-01-27 Richard Henderson <rth@redhat.com>
6662 * config/i386/sco5gas.h: Move ...
6663 * config/usegas.h: ... here.
6664 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6666 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6668 * c-typeck.c (struct constructor_stack): Add range_stack member.
6669 (really_start_incremental_init): Clear it.
6670 (push_init_level): Save constructor_range_stack and clear it if
6671 pushing explicit braces.
6672 (pop_init_level): abort if constructor_range_stack is non-zero at
6673 explicit closing brace. Restore saved constructor_range_stack if
6676 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6678 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6679 into register was forced into memory.
6681 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6683 * Makefile.in: Remove uses of + before $(MAKE).
6685 2001-01-26 Richard Henderson <rth@redhat.com>
6687 * stmt.c (cost_table): Remove.
6688 (COST_TABLE, cost_table_initialized): New.
6689 (estimate_case_costs): Use the later instead of the former.
6690 (balance_case_nodes): Likewise.
6692 2001-01-26 Richard Henderson <rth@redhat.com>
6694 * alias.c (objects_must_conflict_p): Read-only slots may not
6695 conflict despite having the same type.
6697 2001-01-27 Michael Hayes <mhayes@redhat.com>
6699 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6701 (check_ext_dependant_givs): Initialise u_start_val and
6703 (load_mems): Make last_max_reg unsigned.
6704 (try_swap_copy_prop): Use INSN_P and initialise set.
6706 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6708 * README.AVR : Removed.
6710 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6712 * pa-64.h (text_section): Remove declaration.
6714 * pa.md (return_internal): Remove mode on PIC register use.
6716 2001-01-25 lars brinkhoff <lars@nocrew.org>
6718 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6719 ASM_CLOSE_PAREN): fix typos.
6721 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6723 * acconfig.h: Define `const' to the empty string if neither
6724 __STDC__ nor __cplusplus is defined.
6725 * config.in: Regenerated.
6727 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6729 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6730 * collect2.c (main): Delete importf. Add ".obj" file extension.
6731 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6732 (aix_std_libs): Add additional AIX libraries to skip.
6733 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6734 * config/rs6000/aix51.h: New file.
6736 2001-01-25 Michael Hayes <mhayes@redhat.com>
6738 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6739 (loop_insn_emit_before): No longer static.
6740 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6741 (loop_givs_rescan, load_mems): Likewise.
6742 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6743 (maybe_eliminate_biv_1):
6744 (move_movables): Replace emit_call_insn_before with
6745 loop_call_insn_hoist.
6746 * loop.h (loop_insn_emit_before): Add.
6747 * unroll.c (copy_loop_body): Replace emit_insn_before with
6748 loop_insn_emit_before.
6750 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * diagnostic.c (fatal): Request preprocessed source.
6754 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6756 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6757 olddecl has argument types and newdecl has none, use the argument
6760 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6762 * dwarf2out.c (prefix_of): New function. Determine longest common
6763 prefix of the two arguments. The units are whole path components.
6764 (output_file_names): When adding a new directory find the one entry
6765 with the longest common prefix already in the list. Artificially
6766 generate entry if there is none for this prefix.
6767 Fix test to check whether the zeroth directory entry is used.
6769 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6771 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6772 Changed all callers. Take it into account when deciding if a
6773 previously loaded value matches.
6775 2001-01-24 Richard Henderson <rth@redhat.com>
6777 * reload.c (find_reloads_subreg_address): Fail the substitution
6778 if the resulting address is insufficiently aligned.
6780 2001-01-24 DJ Delorie <dj@redhat.com>
6782 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6783 check the original operand's mode also.
6784 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6786 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6788 * c-parse.in (cast_expr): Move compound literals from here ...
6789 (primary): ... to here. Use standard terminology "compound
6790 literal" instead of "constructor expression".
6792 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6794 * gcc.1, cpp.1: Regenerate.
6796 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6798 * calls.c (emit_library_call_value_1): Memory slot for
6799 pass-by-reference argument should have the mode of the argument,
6800 not of the pointer to it.
6802 2001-01-24 Tom Tromey <tromey@redhat.com>
6804 * gcc.texi (G++ and GCC): Mention gcj manual.
6805 (Standards): Link to section of manual mentioning gcj/Java
6808 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6810 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6811 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6812 * tradcpp.c (main): Add -imacros or -include'd dependencies
6814 * cpp.texi (-M, -MM): Document -M -include behaviour.
6816 2001-01-24 Roger Collins <roger@ProProject.com>
6818 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6820 2001-01-24 Will Cohen <wcohen@redhat.com>
6822 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6823 whether registers are 32 bits or 64 bits in size.
6825 2001-01-24 Ben Elliston <bje@redhat.com>
6827 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6829 2001-01-24 Richard Henderson <rth@redhat.com>
6831 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6832 (builtin_longjmp): Use it instead of emit_indirect_jump.
6834 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6836 * bb-reorder.c (make_reorder_chain_1): Handle case where
6837 jump edge goes to the same block as the fallthru edge.
6839 2001-01-23 Jim Wilson <wilson@redhat.com>
6841 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6842 * frame.h (__ia64_personality_v1): Add prototype.
6843 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6844 prototype form. Add void * cast to first argument to personality
6846 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6847 (asctoe113): Likewise.
6848 * config/ia64/frame-ia64.c: Include eh-common.h.
6849 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6851 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6853 (itanium_split_issue): Add prototype.
6854 (gen_nop_type): Ifdef out.
6855 (find_best_packet): Initialize best_packet.
6856 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6858 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6859 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6860 (flushrs): Add explicit stop bit at end.
6861 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6864 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6866 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6868 * libgcc2.c (__terminate_func): Make variable static.
6869 (__terminate_set_func): New function to set __terminate_func.
6870 * libgcc2.h (__terminate_func_ptr): New typedef.
6871 (__terminate_set_func): New function.
6873 2001-01-23 Richard Henderson <rth@redhat.com>
6875 * flow.c (init_propagate_block_info): Don't consider unchanging
6876 memories for dead frame store elimination.
6878 2001-01-23 Richard Henderson <rth@redhat.com>
6880 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6881 * defaults.h: ... here.
6883 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6885 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6887 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6889 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6891 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6893 * rs6000.h (rs6000_return_addr): Move prototype from here...
6894 * rs6000-protos.h (rs6000_return_addr): ...to here.
6895 (rs6000_init_expanders): Delete prototype.
6897 2001-01-23 Nick Clifton <nickc@redhat.com>
6899 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6900 (Spec Files): Document %B and %j and %. and %v3 and %M and
6901 %{S*&T} spec switches.
6903 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6905 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6907 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6908 Neil Booth <neil@daikokuya.demon.co.uk>
6910 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6911 Have -Werror make pedantic warnings errors, like the
6914 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6916 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6918 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6920 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6921 * integrate.c (expand_inline_function): Initialize them.
6922 (subst_constants): If changing COMPARE so that both its arguments
6923 will be VOIDmode and the comparison mode will be lost, note
6924 compare_mode. Use the recorded compare_mode to optimize
6927 2001-01-23 Jason Merrill <jason@redhat.com>
6929 * dwarf2out.c (new_die): Use xcalloc.
6930 (output_die): Abort rather than emit a local reference to offset 0.
6932 2001-01-17 Andrew Haley <aph@redhat.com>
6934 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6935 of a saved register; return NULL instead.
6936 (copy_reg): Take a pointer to a source register rather than a
6938 (next_stack_level): Remember the address in the stack frame of all
6940 Use the saved register pointer array as the source of the CFA.
6941 (throw_helper): Rewrite. Unwind once rather than twice and keep
6942 track of saved registers as we go.
6944 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6946 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6947 * c4x.c (c4x_legitimize_reload_address): Remove.
6948 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6949 reload address for ldp(k) insn.
6951 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6953 * pa.md (return_internal): Add a USE of the PIC register to ensure
6954 it is restored after each call.
6955 (return expander): Corresponding changes.
6957 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6959 * rs6000.h (INIT_EXPANDERS): Delete.
6960 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6961 * rs6000.c (rs6000_override_options): Call *_machine_status from
6963 (rs6000_init_expanders): ...instead of here. Delete.
6964 (rs6000_mark_machine_status): New function.
6965 (rs6000_init_machine_status): Use xcalloc.
6966 (rs6000_return_addr): Generate RTX for the return address.
6967 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6968 (rs6000_stack_info): Use it.
6970 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6972 * gthr-win32.h: Include errno.h to get a declaration for
6973 EINVAL and _mingw.h if the target is mingw32.
6975 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6977 * cpp.texi: Correct typos.
6979 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6981 * explow.c (probe_stack_range): Ensure value passed to
6982 stack_check_libfunc is ptr_mode, not Pmode.
6984 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6986 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6987 case, don't use operand_subword to calculate a SUBREG that is
6990 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6992 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6994 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6995 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6996 valid. If not replace it by equivalent insns.
6998 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7000 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7001 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7002 (c4x_U_constraint, symbolic_address_operand): Likewise.
7003 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7005 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7006 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7007 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7008 anulling slot because of silicon bug.
7009 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7011 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7013 * cppexp.c (parse_charconst): Change `mask' type to agree
7016 2001-01-21 Richard Henderson <rth@redhat.com>
7018 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7019 pic_label_name in a linkonce section.
7021 2001-01-17 Philipp Thomas <pthomas@suse.de>
7023 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7025 * configure: Regenerate.
7027 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7029 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7030 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7032 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7034 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7035 If REVERSE nonzero then condition code in X must be reversed.
7036 (encode_section_info): Optimise if/else.
7037 (avr_function_value): Fix formatting.
7039 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7040 (difficult_branch): Likewise.
7041 (rvbranch): Likewise.
7042 (difficult_rvbranch): Likewise.
7044 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7046 * config/avr/libgcc.S: Fix comment.
7048 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7050 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7052 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7054 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7056 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7058 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7059 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7060 * configure, config.in: Regenerate.
7061 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7062 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7063 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7064 (doprint.o): New rule.
7066 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7068 * c-typeck.c (digest_init): Handle boolean types as scalars.
7070 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7072 * stmt.c (expand_return): Don't return anything if size is zero.
7073 Delete redundant assignment to BYTES.
7074 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7076 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7078 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7079 the same as the default library function names.
7080 * config/avr/avr.md: Document special characters after '%'.
7081 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7082 knowing which of the call-used registers are really clobbered.
7083 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7084 New. Both quotient and remainder from one libgcc.S call.
7085 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7086 clobber as few registers as possible.
7087 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7089 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7091 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7092 context of the top of the stack.
7094 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7096 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7097 (fixup_var_refs_insns): ...here.
7099 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7101 * function.c (fixup_var_refs_insns): Break up into
7102 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7103 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7104 [loop over hash table entries].
7105 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7106 fixup_var_refs_insns_with_hash, to match above changes.
7108 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7110 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7111 (libgcc.a): Likewise.
7112 (stmp-multilib): Likewise.
7113 (STAGE2_FLAGS_TO_PASS): Likewise.
7115 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7117 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7118 temporary if no_new_pseudos.
7120 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7122 * cppinternals.texi: Update.
7124 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7126 * arm.c (arm_init_builtins): Re-enable builtins.
7128 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7130 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7131 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7132 element to be null, and always expect an EXPR_LIST.
7133 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7134 * sched-deps.c (sched_analyze_1): Likewise.
7135 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7137 * regclass.c (max_set_parallel): New variable.
7138 (reg_scan): Take it into account in computation of max_parallel.
7139 (reg_scan_mark_refs, case SET): Compute it.
7141 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7143 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7144 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7146 2001-01-19 Jason Merrill <jason@redhat.com>
7148 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7149 for the abstract instance of an inline function.
7151 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7152 J"orn Rennecke <amylaar@redhat.com>
7154 * reload1.c (move2add_note_store): Treat all registers directly or
7155 indirectly derived from a base register as members of the same set
7157 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7158 of base register into account.
7160 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7162 * alias.c (find_base_value): Recognize TRUNCATE.
7163 (record_set): In PLUS case, invalidate if other summand is also a
7166 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7168 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7169 entry to be EXPR_LIST.
7170 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7171 be an EXPR_LIST (but not null, which other code doesn't allow).
7172 (note_stores): Properly handle PARALLEL in SET.
7173 Recursively call for top-level PARALLEL.
7174 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7175 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7177 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7179 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7181 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7182 not pfile->skipping (== 0).
7184 2001-01-17 Nick Clifton <nickc@redhat.com>
7186 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7189 2001-01-17 Jim Wilson <wilson@redhat.com>
7191 * invoke.texi (IA-64 options): Improve.
7193 2001-01-17 Tom Tromey <tromey@redhat.com>
7195 * invoke.texi (Optimize Options): Use `{}' to around @samp
7198 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7200 * invoke.texi (-fno-guess-branch-probability): New option.
7202 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7204 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7205 case of making new double-word constant.
7206 Revert last change: instead just test i3_subst_into_i2.
7208 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7210 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7211 Use q constraints instead of r.
7213 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7215 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7216 (machine_function): Define.
7217 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7218 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7219 pa_free_machine_status): New functions.
7220 (override_options): Set {init,mark,free}_machine_status to above.
7221 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7222 PIC_OFFSET_TABLE_REGNUM_SAVED.
7223 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7224 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7225 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7226 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7227 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7229 2001-01-15 DJ Delorie <dj@redhat.com>
7231 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7235 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7237 * flow.c (propagate_on_insn): Make trying to delete a prologue
7238 or epilogue insn an ICE, not a warning. Allow doing this if
7239 the current function returns with stack pointer depressed.
7241 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7242 I3 having more than one SET.
7244 2001-01-16 Jim Wilson <wilson@redhat.com>
7246 * invoke.texi: Document IA-64 options.
7248 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7249 (fixup_errata): Delete TARGET_A_STEP use.
7250 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7251 (TARGET_SWITCHES): Delete -ma-step option.
7252 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7253 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7254 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7255 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7256 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7257 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7259 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7260 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7261 cmovsi_internal): Delete ! TARGET_A_STEP check.
7263 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7265 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7266 possibility to report bugs via postal mail. Change a URL and
7267 merge in a nearly duplicate statement...
7268 (Bug Reporting): ...from here.
7269 (Service): Refer to the Bug Reporting section instead of
7271 (Contributing): Remove trivial explanations concerning snapshots.
7273 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7275 * cppmain.c (general_init): Don't use ANSI prototype.
7277 2001-01-16 Tom Tromey <tromey@redhat.com>
7279 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7281 2001-01-16 Richard Henderson <rth@redhat.com>
7283 * config/i386/i386.h: Fix comment typo.
7284 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7285 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7287 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7289 * gcc.c: Revert previous -fsyntax-only-related change; move
7292 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7294 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7295 inmode after checking GET_CODE (op).
7297 2001-01-16 Richard Henderson <rth@redhat.com>
7299 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7300 (MAX_MEM_SET_LIST_LEN): New.
7301 (propagate_one_insn): Update mem_set_list_len.
7302 (invalidate_mems_from_autoinc): Likewise.
7303 (invalidate_mems_from_set): Likewise.
7304 (mark_used_regs): Likewise.
7305 (init_propagate_block_info): Likewise. Stop collecting memories
7306 when we reach MAX_MEM_SET_LIST_LEN.
7307 (mark_set_1): Likewise.
7309 2001-01-16 Richard Henderson <rth@redhat.com>
7311 * unroll.c (precondition_loop_p): Fail if no iteration
7314 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7316 * gcc.c: When -fsyntax-only is given, do not complain about
7319 2001-01-15 Richard Henderson <rth@redhat.com>
7321 * config/i386/i386.c (asm_output_function_prefix): Remove.
7322 (ix86_asm_file_end): New.
7323 (load_pic_register): Generate pic_label_name into a
7324 staticly allocated buffer.
7325 * config/i386/i386-protos.h: Update.
7326 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7327 (ASM_FILE_END): New.
7328 * config/i386/i386afe.h: New file.
7329 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7330 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7331 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7332 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7333 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7334 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7335 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7337 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7339 * Makefile.in (install-man): Remove explicit dependency on
7342 * configure.in, configure: Revert previous patch requiring perl
7345 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7347 * toplev.c (flag_guess_branch_prob): New.
7348 (f_options): Add guess-branch-probability option.
7349 (rest_of_decl_compilation): Only estimate branch probability if
7351 (main): set flag_guess_branch_prob.
7353 * flags.h (flag_guess_branch_prob): New.
7355 2001-01-15 DJ Delorie <dj@redhat.com>
7357 * gcc.texi (Makefile): Add documentation for Makefile targets.
7359 2001-01-15 Philip Blundell <philb@gnu.org>
7361 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7363 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7364 (is_pic): Delete declaration.
7365 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7366 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7367 * config/arm/arm.md (builtin_setjmp_receiver): New.
7369 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7371 * arm.c (use_return_insn): Don't try to determine the function type
7372 until after reload has completed.
7373 (arm_output_epilogue): Don't adjust the sp value recovered from the
7375 (emit_multi_reg_push): Don't record dwarf information for the pc.
7376 * arm.md (eh_epilogue): The function type may have changed, so it
7377 needs to be recalculated.
7378 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7379 unwind tables on arm/netbsd.
7381 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7383 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7384 (negated_cbranchsi4): Likewise.
7386 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7388 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7389 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7390 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7391 pass -mapcs-* options to assembler.
7392 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7393 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7394 (ASM_SPEC): Call subtarget_extra_asm_spec.
7396 2001-01-15 Andreas Jaeger <aj@suse.de>
7398 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7400 (ix86_expand_builtin): Likewise.
7402 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7403 warning about comparison between signed and unsigned.
7405 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7407 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7409 2001-01-14 Ralf Baechle <ralf@gnu.org>
7411 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7412 SUBTARGET_CPP_SPEC apropriatly.
7414 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7416 * varasm.c (make_decl_rtl): Fix typo in last change.
7418 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7420 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7421 linker supports the init_priority C++ attribute.
7422 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7423 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7424 linker does not support init_priority C++ attribute.
7426 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7428 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7430 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7432 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7433 * cp/lex.c (finish_parse): Similarly.
7434 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7435 Return the number of errors encountered.
7436 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7437 * cppmain.c (main): Don't call cpp_destroy.
7439 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7441 * configure.in: Require at least perl 5.6.0 to regenerate
7443 * configure: Regenerate.
7445 2001-01-14 Richard Henderson <rth@redhat.com>
7447 * genrecog.c (DT_veclen_ge): New.
7448 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7449 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7450 (nodes_identical_1): Handle DT_veclen_ge.
7451 (write_cond, debug_decision_2): Likewise.
7453 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7455 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7457 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7459 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7461 * cppmain.c (do_preprocessing): New function; most of the old
7463 (main): Call it to do most of the work.
7464 (cb): Move from global scope to set_callbacks ().
7465 (setup_callbacks): Get the callback pointer.
7466 (general_init, printer_init): Clean up code and comments.
7468 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7470 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7473 2001-01-14 Kazu Hirata <kazu@hxi.com>
7475 * config/h8300/h8300.c (get_shift_alg): Update comments.
7477 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7479 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7480 (alloc_page, ggc_alloc): Add casts to remove warnings.
7482 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7484 * combine.c (simplify_comparison): Don't change `code' when
7485 can't reverse comparison.
7487 2001-01-14 Richard Henderson <rth@redhat.com>
7489 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7490 update all call sites. Return true for all non-label constants.
7492 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7494 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7496 (ix86_expand_branch): Update.
7497 (ix86_expand_setcc): Update to handle multiple test conditions.
7498 (expand_int_movcc): Likewise.
7499 (expand_fp_movcc): Likewise.
7500 * i386-protos.h (ix86_expand_compare): New.
7501 * i386.md (andqi_?_slp, orqi_?_slp): New.
7502 (conditional trap expander): Update call to ix86_expand_compare.
7504 2001-01-14 Richard Henderson <rth@redhat.com>
7506 * config/vax/vax.md: Use nonimmediate_operand instead of
7507 general_operand in destinations.
7509 * config/vax/vax.md (indirect_jump): Use register_operand.
7511 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7512 * config/vax/vax.md (call_pop): Turn into an expander.
7513 (call_value_pop): Likewise.
7514 (call, call_value): New.
7516 2001-01-14 Andreas Jaeger <aj@suse.de>
7518 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7520 (ix86_fp_compare_mode): Add unused attribute.
7521 (ix86_expand_fp_movcc): Remove unused variable.
7522 (ix86_expand_builtin): Make fcode unsigned.
7524 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7525 (expand_expr): Add cast to avoid signed warning.
7526 (store_field): Likewise.
7527 (store_constructor_field): Likewise.
7528 (store_constructor): Likewise.
7529 (store_expr): Likewise.
7530 (clear_storage): Likewise.
7531 (emit_group_store): Likewise.
7532 (emit_group_load): Likewise.
7534 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7536 * c-common.c: Move format checking code to ...
7537 * c-format.c: ... here. New file. Reorder some functions and
7539 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7541 * c-common.h (decl_handle_format_attribute,
7542 decl_handle_format_arg_attribute): Declare.
7543 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7544 (c-common.o): Adjust dependencies.
7545 (c-format.o): New list of dependencies.
7547 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7549 * unroll.c (loop_iterations): If we cannot prove iteration variable
7550 is set once in each iteration, punt.
7552 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7554 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7555 (*strlenhi): Remove clobber (which was buggy) of output address.
7557 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7559 * Makefile.in (generated-manpages): Add gcc.1
7560 ($(srcdir)/gcc.1): New target.
7561 (maintainer-clean): Delete $(srcdir)/gcc.1.
7562 * gcc.texi: Add macros @gccoptlist and @gol.
7563 * invoke.texi: Include option summary in manpage. Mark up option
7564 summary with @gccoptlist and @gol. Use @r in one place where
7566 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7567 * gcc.1: Generate from invoke.texi.
7569 2001-01-13 Richard Henderson <rth@redhat.com>
7571 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7572 (struct page_entry): Add group member.
7573 (struct page_group): New.
7574 (struct globals): Add page_groups member.
7575 (alloc_anon): Only define for using mmap; remove valloc call.
7576 (page_group_index): New.
7577 (set_page_group_in_use): New.
7578 (clear_page_group_in_use): New.
7579 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7580 (free_page, release_pages): Likewise.
7581 * configure.in (with-gc): Default to ggc-page always.
7583 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7585 * reload1.c (replace_pseudos_in_call_usage): Use
7586 reg_equiv_constant and reg_equiv_address, and don't try
7587 regno_reg_rtx first.
7589 2001-01-13 Richard Henderson <rth@redhat.com>
7591 * ggc-page.c (alloc_page): Round up allocation size to one page.
7592 Set e->order on extra pages.
7594 2001-01-13 Richard Henderson <rth@redhat.com>
7596 * genrecog.c (nodes_identical): Expand commentary.
7597 (write_switch): Watch out for identical nodes.
7599 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7601 * cppfiles.c (_cpp_fake_include): New function.
7602 * cpphash.h (_cpp_fake_include): New.
7603 * cpplib.c (do_line): Call _cpp_fake_include when entering
7604 header files in preprocessed input.
7605 * cppmain.c (cb_pragma_implementation): Remove handling.
7606 (setup_callbacks): Don't register pragmas.
7608 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7610 * extend.texi: Udate for CPP.
7612 2001-01-13 Andreas Jaeger <aj@suse.de>
7614 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7616 * regmove.c: Add prototype for replace_in_call_usage.
7618 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7620 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7621 struct cpp_chunk, struct htab, struct toklist,
7622 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7623 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7624 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7625 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7626 (struct macro_args): Delete.
7627 * cpphash.h: See above.
7629 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7631 * cppmain.c (struct printer): Remove no_line_dirs.
7633 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7634 : Use options rather than CPP_OPTION.
7635 (setup_callbacks): Use cb rather than pfile->cb.
7636 (main): No need to check for a buffer. Use cpp_errors.
7637 (printer_init): Don't set no_line_dirs.
7638 (maybe_print_line): Use options not no_line_dirs.
7639 (cb_file_change): Don't call print_line if -P.
7641 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7643 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7645 * c-parse.in (finish_parse): Use cpp_errors.
7646 (__yylex): Use return value of cpp_pop_buffer.
7647 * cp/lex.c (finish_parse): Use cpp_errors.
7648 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7650 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7652 * README.AVR: URLs corrected.
7654 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7656 * c-decl.c (start_function): Don't warn if old prototype is builtin
7657 that's not in C's namespace.
7658 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7659 (_bb): Add prototype for ctime.
7660 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7662 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7664 * i386.c (ix86_fp_comparison_arithmetics_cost,
7665 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7666 ix86_fp_comparison_cost): New functions.
7667 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7668 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7669 two-branch sequences; make static.
7670 (ix86_use_fcomi_compare): Do decision according to the costs.
7671 (split_fp_branch): New.
7672 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7673 * i386-protos.h (ix86_expand_fp_compare): Remove
7674 (ix86_split_fp_branch): Declare.
7676 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7677 and ix86_comparison_operator.
7679 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7682 * i386.c (put_condition_code): Output properly the unordered/ordered
7683 compares in fp case.
7684 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7686 * tm.texi (REVERSE_CONDITION): Document.
7687 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7688 in -ffast-math mode.
7689 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7691 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7693 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7695 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7698 * config/sh/sh.c (mova_p): Fix test for mova_const.
7700 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7702 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7703 cpp_get_options rather than dereferencing pfile and using
7705 * scan-decls.c (scan_decls): Use return value of
7706 cpp_pop_buffer rather than CPP_BUFFER.
7708 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7710 * cppinit.c (cpp_handle_option): help_only is now part of the
7711 cpp_options structure.
7712 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7713 cpp_set_callbacks): New functions.
7714 * cpplib.h (cpp_callbacks): Break out as a named structure.
7715 (cpp_options): Move help_only here from cpp_reader.
7716 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7717 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7718 cpp_set_callbacks): New prototypes.
7719 * cppmain.c (main): Update for help_only.
7721 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7723 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7724 Also build and remove and install and uninstall c-tree.info and
7726 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7727 ($(srcdir)/cppinternals.info): New target.
7728 * c-tree.texi: Change file name used when makeinfo used without -o
7729 from ir.info to c-tree.info. Add info directory entry.
7730 * cppinternals.texi: Add info directory entry.
7731 * .cvsignore: Update.
7733 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7735 * c-typeck.c (store_init_value): Don't require constant initializer
7736 elements with -pedantic -std=c99.
7737 (digest_init): Change error about non-constant initializer elements
7739 (constructor_range_end): Remove.
7740 (constructor_incremental, designator_depth,
7741 designator_errorneous): New variables.
7742 (struct constructor_stack): Remove range_end, add incremental.
7743 (struct constructor_range_stack, constructor_range_stack): New.
7744 (struct initializer_stack): Add constructor_range_stack.
7745 (finish_init): Set it.
7746 (start_init): Likewise. require_constant_elements for non-static
7747 trees only if not flag_isoc99.
7748 (really_start_incremental_init): Remove constructor_range_end, add
7749 constructor_incremental.
7750 (pop_init_level): Likewise.
7751 (push_init_level): Likewise. If implicit and the subobject had some
7752 value set already, preinitialize the level with it.
7753 Warn about missing braces only if not pushing due to designators.
7754 (set_designator, push_range_stack): New functions.
7755 (set_init_label): Use them.
7756 (set_init_index): Likewise. Remove constructor_range_end.
7757 Error if designator index is outside of array bounds.
7758 (add_pending_init): Compare values of purpose index trees, not the
7759 trees themselves. Allow overwriting of already initialized element.
7760 Issue a warning if it had side-effects.
7761 (set_nonincremental_init, set_nonincremental_init_from_string): New
7763 (pending_init_member): Rename to...
7764 (find_init_member): ...this function. Call set_nonincremental_init
7765 if necessary. Compare values of purpose index trees, not the trees
7766 themselves. Return the actual value, not just non-zero if something
7768 (output_init_element): Remove checks for duplicates.
7769 If field has zero size, only check the initializer for correctness.
7770 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7771 if constructor_incremental is zero. Change error about initializers
7772 not computable at load time into pedwarn.
7773 (output_pending_init_elements): Compare bit positions, not
7774 FIELD_DECLs to take into account zero-sized fields.
7775 (process_init_element): Use constructor_range_stack to fill all
7776 ranges in the designator lists from current level up.
7777 * extend.texi: Update documentation for labeled elements.
7779 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7781 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7782 to function usage for arguments passed by reference. Optimize
7783 callee-copied arguments.
7784 * regmove.c (replace_in_call_usage): New function.
7785 (fixup_match_1): Call it.
7786 * cse.c (cse_insn): Canonicalize registers in function usage.
7787 * reload1.c (replace_pseudos_in_call_usage): New function.
7790 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7793 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7795 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7798 2001-01-12 DJ Delorie <dj@redhat.com>
7800 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7801 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7804 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7806 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7807 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7808 -std options alongside references to -ansi. Update some
7809 documentation for C99.
7810 * cpp.1: Regenerate.
7812 2001-01-12 Andreas Jaeger <aj@suse.de>
7814 * haifa-sched.c (restore_line_notes): Remove argument block B
7816 * sched-ebb.c (schedule_ebb): Change caller.
7817 * sched-rgn.c (schedule_region): Likewise.
7818 * sched-int.h (restore_line_notes): Adjust prototype.
7820 * loop.h: Remove wrong declaration of doloop_condition_get.
7822 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7824 * extend.texi: Move C++-extension-related node from the C section
7825 into the C++ section.
7827 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7829 * extend.texi: Refer to an array of pointers to functions instead
7830 of one of functions.
7832 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7833 Jan Hubicka <jh@suse.cz>
7835 * combine.c (reversed_comparison): Fix typo in last patch.
7837 (combine_reversed_comparison_code): Make static to follow
7838 prototype declaration.
7840 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7842 * install.texi: Remove misplaced duplicate entry.
7844 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7846 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7848 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7850 * final.c: (leaf_function_p): Fix typo.
7852 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7854 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7855 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7857 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7858 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7859 mmap_anon, and valloc is available.
7860 * ggc-page.c: Restructure ifdef logic to match new autoconf
7861 spec. Don't throw away the test page in init_ggc.
7863 * configure, config.in: Regenerate.
7865 2001-01-12 Michael Hayes <mhayes@redhat.com>
7867 * loop.h (total_biv_increment): Constify iv_class pointer.
7868 (struct induction): Replace `mem_mode' with `mem' rtx.
7869 * unroll.c (total_biv_increment): Constify iv_class pointer.
7870 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7871 (find_mem_givs, combine_givs_p): Likewise.
7872 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7874 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7876 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7878 (__gthread_getspecific): Ditto.
7880 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7882 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7883 put_condition_code): Convert fp comparison codes to integer
7885 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7888 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7889 * i386-protos.h (no_comparison_operator): Kill.
7891 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7893 * combine.c (REVERSIBLE_CC_MODE): Remove.
7894 (reversible_comparison_p): Remove.
7895 (combine_reversed_comparison_code): New.
7896 (reversed_comparison): New.
7897 (combine_simplify_rtx): Use
7898 combine_reversed_comparison_code/reversed_comparison instead
7899 of reversible_comparison_p.
7900 (simplify_if_then_else): Likewise.
7901 (simplify_set): Likewise.
7902 (simplify_logical): Likewise.
7903 (if_then_else_cond): Likewise.
7904 (known_cond): Likewise.
7905 (simplify_comparison): Likewise.
7907 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7909 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7910 sizeof (int) is larger than sizeof(__word__).
7912 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7914 * cppinit.c (do_includes): Fix typo.
7916 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7918 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7919 in S_REGS does not occur because not all sources are possible
7920 when a S_REGS is a destination (sometimes needs a clobber).
7921 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7922 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7923 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7924 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7925 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7926 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7927 (lshrdi_const1, lshrsi3_const16): Likewise.
7928 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7929 (*movhi_68hc12, *movqi_68hc12): Likewise.
7930 (movstrictqi): Make sure reloading in D_REGS as a destination
7933 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7935 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7937 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7939 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7940 -D, -U and -A, and don't initialize the builtins.
7941 (do_includes): Error if -include or -imacros with -fpreprocessed.
7942 * cppmain.c (cb_define, cb_undef): Unconditionally process
7944 * tradcpp.c (main): Fix typo.
7946 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7948 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7949 (read_name_map): Use IS_ABSOLUTE_PATH.
7950 * tradcpp.c (get_filename): Likewise.
7952 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7954 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7955 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7956 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7957 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7958 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7959 (cmphi_z_used): Don't use '@' for the output.
7960 (tstqi_z_used): Likewise.
7961 (cmpqi_z_used): Likewise.
7962 (one_cmplsi2): Likewise.
7964 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7966 * config/sh/sh.c (barrier_align): Recognize branch around far
7967 branch and redundant insn.
7969 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7971 * invoke.texi: Restore documentation of the drivers' switches -MD
7974 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7976 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7978 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7979 check-objc//%): Support parallel testing of multilibs.
7980 (TESTSUITEDIR): Set to testsuite by default, but override for
7982 (check-gcc, check-g++, check-g77, check-objc): Enter
7985 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7987 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7988 * sched-deps.c (deps_may_trap_p): Likewise.
7989 * basic-block.h: Remove a comment.
7990 * flow.c (PROP_POSTRELOAD): Remove.
7991 (update_life_info): Don't add it to prop_flags.
7992 (mark_set_1): Lose the code that was enabled by it.
7994 2001-01-11 Michael Hayes <mhayes@redhat.com>
7996 * flow.c (flow_call_edges_add): New.
7997 * basic_block.h (flow_call_edges_add): New.
7999 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8001 * reload1.c (move2add_note_store): Update reg_set_luid even if
8002 base reg remains the same.
8004 2001-01-10 Nick Clifton <nickc@redhat.com>
8006 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8007 machine_function structure to zero.
8008 Add prototypes for machine_status functions.
8010 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8012 * c-common.h (CTI_VOID_LIST): Remove.
8013 (void_list_node): Likewise.
8014 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8015 (void_list_node): New macro.
8016 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8017 * config/i386/i386.c (ix86_init_builtins): Likewise.
8018 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8020 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8022 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8023 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8025 * tradcpp.c: Include mkdeps.h.
8026 (deps, print_deps_phony_targets, deps_append, output_deps,
8027 init_dependency_output, output_deps): New.
8028 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8029 deps_output): Delete.
8030 (print_deps_missing_files): Rename deps_missing_files.
8031 (inhibit_output): Make global.
8032 (main): Delete inhibit_output, deps_stream, deps_target.
8033 Use mkdeps functionality in the same way as cpplib. Remove
8034 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8035 -M and -MM. Remove old handling of deps via deps_out, and
8036 old reading of environment variables.
8037 (get_filename): Update to use deps_add_dep.
8039 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8041 * output.h (make_function_rtl): Remove prototype.
8042 (make_decl_rtl): Likewise.
8043 * varasm.c (make_function_rtl): Remove.
8044 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8045 than from a third parameter.
8046 * tree.h (make_decl_rtl): Remove last parameter.
8047 * c-decl.c (builtin_function): Remove last argument in call to
8048 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8049 (start_function): Likewise.
8050 * except.c (call_get_eh_context): Likewise.
8051 * expr.c (emit_block_move): Likewise.
8052 (clear_storage): Likewise.
8053 * profile.c (output_func_start_profiler): Likewise.
8054 * toplev.c (rest_of_decl_compilation): Likewise.
8055 * objc/objc-act.c (create_builtin_decl): Likewise.
8056 (synth_module_prologue): Likewise.
8057 (generate_static_reference): Likewise.
8058 (build_selector_reference_decl): Likewise.
8059 (build_class_reference_decl): Likewise.
8060 (build_objc_string_decl): Likewise.
8061 (build_protocol_reference): Likewise.
8063 2001-01-10 Richard Henderson <rth@redhat.com>
8065 * hwint.h: Revert yesterday's change.
8067 2001-01-10 Nick Clifton <nickc@redhat.com>
8069 * function.h (save_machine_status): Delete.
8070 (restore_machine_status): Delete.
8071 Amend comment describing {init|mark|free}_machine_status.
8073 * function.c (save_machine_status): Delete.
8074 (restore_machine_status): Delete.
8075 Amend comment describing {init|mark|free}_machine_status.
8076 (push_function_context_to): Remove invocation of
8077 save_machine_status.
8078 (pop_function_context_from): Remove invocation of
8079 restore_machine_status.
8081 * emit-rtl.c (init_emit_once): Amend comment describing
8082 {init|mark|free}_machine_status.
8084 * tm.texi (Per-Function Data): New node. Describe the
8085 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8088 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8090 * cppinit.c (OPT_g): Remove.
8091 (cpp_handle_option): Update for removed -g3.
8092 (print_help): Update.
8093 * cpplib.h (struct cpp_options): Remove debug_output.
8094 * cppmain.c (setup_callbacks, cb_define): Update.
8095 * gcc.c (cpp_options): Translate -g3 to -dD.
8097 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8099 * config/i960/i960.md: Change modifier to + on the zero_extract
8100 pattern after the (rotate -2 reg) canonicalization pattern.
8102 2001-01-10 Richard Henderson <rth@redhat.com>
8104 * config/alpha/alpha.c (alpha_free_machine_status): New.
8105 (override_options): Install it.
8106 (alpha_mark_machine_status): Verify machine non-null.
8107 * config/i386/i386.c (ix86_free_machine_status): New.
8108 (override_options): Install it.
8109 (ix86_init_machine_status): Use xcalloc.
8110 (ix86_mark_machine_status): Verify machine non-null.
8111 * config/ia64/ia64.c (ia64_free_machine_status): New.
8112 (ia64_override_options): Install it.
8113 (ia64_mark_machine_status): Verify machine non-null.
8115 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8117 * function.c (instantiate_virtual_regs): Instantiate virtual
8118 registers found in CALL_INSN_FUNCTION_USAGE.
8120 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8122 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8123 equivalent to -ansi in disabling -Di386.
8125 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8127 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8129 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8131 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8133 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8135 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8137 * invoke.texi: Document that -fcond-mismatch isn't supported for
8140 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8142 * gcc.texi: Define macro gcctabopt.
8143 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8144 @command, @env and @option in some places where appropriate. Use
8145 @gcctabopt where appropriate. Put URLs and email addresses inside
8148 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8150 * gcc.c (cpp_options): Set MD file name from output
8151 filename, if specified.
8152 (suffix_subst): New static variable.
8153 (do_spec): Clear it.
8154 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8156 (give_switch): Handle suffix_subst.
8158 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8160 * invoke.texi: Fix another typo.
8162 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8164 * invoke.texi: Fix typo.
8166 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8168 * c-lang.c (lang_hooks): Update.
8169 (lang_decode_option): Remove.
8170 (lang_init_options): Rename c_init_options.
8171 * toplev.c (main): Use lang_hooks for lang_init_options
8172 and lang_decode_option.
8173 * toplev.h (lang_hooks): Add 2 new hooks.
8174 * tree.h: Remove lang_init_options and lang_decode_option.
8175 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8176 * cp/decl2.c: Similarly.
8177 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8178 (lang_hooks): Update.
8179 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8181 (lang_init_options): Rename ffe_init_options.
8182 (lang_hooks): Update.
8183 (lang_decode_option): Remove.
8184 * java/lang.c (lang_init_options): Rename java_init_options.
8185 (lang_decode_option): Rename java_decode_option.
8186 (lang_hooks): Update.
8187 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8188 (lang_decode_option): Rename objc_decode_option.
8189 (lang_hooks): Update.
8191 2001-01-09 Nick Clifton <nickc@redhat.com>
8193 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8194 (d30v_return_addr_rtx): Delete.
8195 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8196 cfun->machine structure.
8197 (struct machine_function): Move to d30v.h
8198 (d30v_save_machine_status): Delete.
8199 (d30v_restore_machine_status): Delete.
8200 (d30v_init_machine_status): New Function.
8201 (d30v_mark_machine_status): New Function.
8202 (d30v_free_machine_status): New Function.
8203 (d30v_init_expanders): Use new functions.
8204 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8205 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8206 d30v_return_addr_rtx.
8208 * config/d30v/d30v.h (struct_machine): Move here.
8209 Add eh_epilogue_sp_ofs field.
8211 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8212 field in cfun->machine structure.
8214 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8216 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8217 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8218 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8220 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8222 * objc/lang-options.h: Remove bogus reference to
8225 2001-01-09 Kazu Hirata <kazu@hxi.com>
8227 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8230 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8232 * reload.c (find_reloads_address): Check for eliminable registers
8233 when substituting a constant expression for a pseudo.
8235 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8237 * c-common.c (enum format_type): Add format_type_error.
8238 (decode_format_type): New function.
8239 (decl_attributes): Use it.
8240 (format_kind_info): Adjust comment.
8242 2001-01-09 David O'Brien <obrien@BSDi.com>
8244 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8245 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8247 * config/i386/gnu.h: Don't include required platform specific .h files,
8248 tm.h will do it instead.
8249 * config/i386/i386elf.h: Likewise.
8250 * config/i386/linux.h: Likewise.
8251 * config/i386/moss.h: Likewise.
8252 * config/mips/gnu.h: Likewise.
8254 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8256 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8257 (rs6000-ibm-aix3.[01]*): Likewise.
8258 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8259 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8260 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8261 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8262 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8263 (powerpc-*-eabiaix*): Likewise.
8264 (powerpc-*-eabisim*): Likewise.
8265 (powerpc-*-elf*): Likewise.
8266 (powerpc-*-eabi*): Likewise.
8267 (powerpc-*-rtems*): Likewise.
8268 (powerpc-*-linux*libc1): Likewise.
8269 (powerpc-*-linux*): Likewise.
8270 (powerpc-wrs-vxworks*): Likewise.
8271 (powerpcle-wrs-vxworks*): Likewise.
8272 (powerpcle-*-sysv*): Likewise.
8273 (powerpcle-*-elf*): Likewise.
8274 (powerpcle-*-eabisim*): Likewise.
8275 (powerpcle-*-eabi*): Likewise.
8276 (powerpcle-*-solaris2*): Likewise.
8277 * config/rs6000/aix31.h: Delete includes.
8278 * config/rs6000/aix3newas.h: Likewise.
8279 * config/rs6000/aix41.h: Likewise.
8280 * config/rs6000/aix43.h: Likewise.
8281 * config/rs6000/beos.h: Likewise.
8282 * config/rs6000/rtems.h: Likewise.
8283 * config/rs6000/sysv4.h: Likewise.
8285 2001-01-09 Kazu Hirata <kazu@hxi.com>
8287 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8288 Change an argument mode of machine_mode to shift_mode of
8289 shift_mode. Remove an extra error check.
8290 (emit_a_shift): Adopt to the new calling prototype of
8292 (function_prologue): Fix code for a monitor
8293 function. Support H8/S.
8294 (function_epilogue): Do not output pop for a monitor function.
8296 2001-01-09 Nick Clifton <nickc@redhat.com>
8298 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8299 (setup_incoming_varargs): Use sysv_varargs_p field of the
8300 cfun->machine structure.
8301 (struct machine_function): Move to rs6000.h
8302 (rs6000_save_machine_status): Delete.
8303 (rs6000_restore_machine_status): Delete.
8304 (rs6000_init_machine_status): New Function.
8305 (rs6000_free_machine_status): New Function.
8306 (rs6000_init_expanders): Use new functions.
8308 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8310 (struct machine_function): Move here.
8312 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8313 sysv_varargs_p field of the cfun->machine structure.
8315 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8317 (rs6000_restore_machine_status): Remove prototype.
8319 2001-01-09 Richard Henderson <rth@redhat.com>
8321 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8322 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8323 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8324 (sched_analyze_2, sched_analyze_insn): Likewise.
8325 (sched_analyze, init_deps): Likewise.
8326 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8327 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8328 (compute_block_backward_dependences): Update propagate_deps call.
8330 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8332 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8334 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8336 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8337 (cpp_handle_option): Handle them.
8338 (cpp_post_options): Ensure one of -M or -MM is specified with
8339 any other -M? option.
8340 (init_dependency_output): Suppress output with -MG.
8342 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8345 * invoke.texi: Update.
8347 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8349 * sh.md (reload_outsf): Generate recognizable patterns for
8352 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8354 * c-lang.c (lang_hooks): Update.
8355 (lang_init): Rename c_init.
8356 (lang_finish): Remove.
8357 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8359 * toplev.h (lang_hooks): Add init () and finish ().
8360 * tree.h (lang_init, lang_finish): Remove.
8361 * cp/tree.h (lang_init, lang_finish): Remove.
8362 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8363 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8365 (lang_init, lang_finish): Remove.
8366 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8367 (lang_hooks): Update.
8368 * java/lang.c (lang_init): Rename java_init.
8369 (lang_finish): Remove.
8370 (lang_hooks): Update.
8371 * objc/objc-act.c (lang_init): Rename objc_init.
8372 (lang_finish): Remove.
8373 (lang_hoooks): Update.
8375 20001-01-09 Graham Stott <grahams@redhat.com>
8377 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8378 after `ptr` is initialised.
8380 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8382 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8383 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8384 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8385 stack adjusts, instead of r3.
8387 2001-01-09 Michael Hayes <mhayes@redhat.com>
8389 * flow.c (flow_loop_scan): Break out of ...
8390 (flow_loops_find) ... here.
8391 * basic-block.h (flow_loop_scan): New.
8392 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8393 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8395 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8397 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8399 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8400 realloc()ing macro_buffer.
8402 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8403 if it's wider than long and the target's long is wider than the
8406 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8408 Remove support for using UWIN as a host machine.
8409 * configure.in: Issue an error message.
8410 * configure: Regenerated.
8411 * config.gcc: Remove xm_* UWIN configury.
8412 * config/i386/xm-uwin.h: Remove.
8414 2001-01-08 Nick Clifton <nickc@redhat.com>
8416 * config/v850/v850.c (ra_rtx): Delete.
8417 (v850_save_machine_status): Delete.
8418 (v850_restore_machine_status): Delete.
8419 (v850_init_machine_status): New function.
8420 (v850_mark_machine_status): New function.
8421 (v850_free_machine_status): New function.
8422 (v850_return_addr): Use ra_rtx field in machine structure.
8423 (v850_init_expanders): Use new functions.
8425 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8426 * config/v850/v850.c: Change arguments to v850_output+* functions
8427 to take a const char *, to avoid compile time warning.
8428 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8429 (USER_LABEL_PREFIX): Redefine.
8431 2000-01-08 Jim Wilson <wilson@redhat.com>
8433 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8434 1 to unsigned HOST_WIDE_INT before left shift.
8436 2001-01-08 Nick Clifton <nickc@redhat.com>
8438 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8439 the machine structure has been allocated.
8440 (arm_free_machine_status): New function: Free the machine
8441 specific function structure.
8443 2001-01-08 Richard Henderson <rth@redhat.com>
8445 * jump.c (simplejump_p): Revert last change.
8447 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8449 * cppinit.c (init): Rename init_library.
8450 (cpp_create_reader): Update.
8451 * gcc.c (cpp_options): If -o given, use it as the target of
8454 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8456 * arm.c (arm_arch5e): New variable.
8457 (all_cores): XScale is a 5TE device.
8458 (arm_override_options): Set arm_arch5e.
8459 (arm_init_builtins): __builtin_prefetch is in arch5e.
8460 * arm.h (arm_arch5e): Declare it.
8462 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8464 * arm.md (define_constants): Add defines for UNSPEC and
8465 UNSPEC_VOLATILE insns. Update all users.
8466 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8467 * arm.c (multi_register_push, note_invalid_constants)
8468 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8469 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8470 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8472 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8474 * jump.c (jump_optimize_1): Use reversed_comparison_code
8475 instead of can_reverse_comparison_p.
8476 (jump_back_p): Likewise.
8477 (invert_exp_1): Likewise.
8478 (thread_jumps): Likewise.
8479 * simplify-rtx.c (simplify_unary_operation): Likewise.
8480 (simplify_ternary_operation): Likewise.
8481 * cse.c (find_comparison_args): Convert to use
8482 can_reverse_comparison_p.
8483 (record_jump_equiv): Likewise.
8485 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8487 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8488 (EPILOGUE_USES): Define.
8489 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8490 automatically stack the LR if it isn't live.
8492 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8494 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8497 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8499 * ggc-page.c (max_alignment): New structure.
8500 (MAX_ALIGNMENT): New macro.
8501 (init_ggc): Use it to round up the sizes in the
8502 extra_order_size_table.
8504 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8506 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8509 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8511 * builtins.def (BUILT_IN_FPRINTF): New entry.
8513 * c-common.c (c_expand_builtin_fprintf): New function.
8514 (init_function_format_info): Handle __builtin_fprintf.
8515 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8516 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8518 * c-decl.c (duplicate_decls): Adjust comment.
8520 * extend.texi (fprintf): Document new builtin.
8522 2001-01-07 Richard Henderson <rth@redhat.com>
8524 * jump.c (simplejump_p): Recognize any single_set jump
8527 2001-01-07 Richard Henderson <rth@redhat.com>
8529 * configure.in (slibdir): Accept an --with-slibdir option.
8530 Use "test" not "[" in configure. Default to $(libdir).
8532 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8534 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8535 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8536 (SHLIB_LINK): Create links for the soname.
8537 * config/mips/t-iris6: Likewise.
8538 * config/sparc/t-slibgcc: Likewise.
8539 * config/sparc/t-slibgcc-sld: Likewise.
8541 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8543 * config/i386/i386.c (constant_call_address_operand): Accept
8544 (const (plus (symbol_ref) (const_int))).
8545 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8546 constant_call_address_operand.
8548 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8550 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8551 and LONG_LONG_TYPE_SIZE > 32.
8553 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8555 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8556 the previous change.
8558 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8560 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8562 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8563 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8564 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8567 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8569 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8571 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8573 * c-lang.c (c_post_options): Call cpp_post_options.
8574 * objc/objc-act.c (objc_post_options): Similarly.
8575 * cppmain.c (main): Similarly.
8576 * fix-header.c (read_scan_file): Similarly.
8577 * cppinit.c (cpp_start_read): Move option consistency checks
8578 to cpp_post_options. Don't call init_dependency_output.
8579 If needed, add default target and main file dependency.
8580 (OPT_MD, OPT_MMD): Remove.
8582 (cpp_handle_option): Update for OPT_* changes.
8583 (cpp_post_options): New.
8584 (init_dependency_output): Command line -MF overrides environment
8585 variables. Don't set default target etc. Suppress output
8586 if dependencies are going to stdout.
8587 (print_help): Update.
8588 * cpplib.h (cpp_post_options): New.
8589 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8591 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8593 * jump.c (comparison_dominates_p): Support unordered compares.
8595 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8597 * simplify-rtx.c (simplify_relational_operation): Always simplify
8598 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8601 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8603 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8604 (nonzero_bits): Likewise.
8605 (simplify_comparison): Likewise.
8606 (num_sign_bit_copies): Likewise; return more sane value depending
8607 on STORE_FLAG_VALUE.
8608 (known_cond): Do not assume EQ to be always true for equivalent
8611 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8613 * cse.c (fold_rtx): Handle unordered comparisons.
8615 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8617 * rtlanal.c (set_of_1): New static function.
8618 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8619 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8620 reg_set_last_last_regno): Remove.
8621 (set_of): New global function.
8622 (set_of_data): New structure.
8623 (reg_set_p, reg_set_last): Revamp for set_of.
8624 * rtl.h (set_of): New.
8626 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8628 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8629 * extend.texi: Document _Exit builtin.
8631 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8633 * (initialize, initialize_builtins,
8634 initialize_dependency_output, initialize_standard_includes):
8635 Rename s/initialize/init. Update.
8636 (init_dependency_output): Move to after
8637 cpp_handle_options, the correct location temporally at least.
8638 (opt_comp): Move next to init (), its caller. Fix prototype.
8639 (init): Make "initialized" local scope.
8640 (cpp_create_reader): Always call init ().
8641 (cpp_start_read): Update.
8642 (output_deps): New function, broken out of cpp_finish.
8643 (cpp_finish): Break out output_deps.
8645 2001-01-07 Richard Henderson <rth@redhat.com>
8647 * collect2.c (COFF specific stuff): Revert 12-06 patch
8648 to prototype system functions.
8650 2001-01-07 Michael Hayes <mhayes@redhat.com>
8652 * hard-reg-set.h: Add multiple include guard.
8653 * basic-block.h (struct loop): Add `sink' field.
8654 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8655 (emit_iv_add_mult): Delete.
8656 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8657 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8658 (unroll_loop): Remove end_insert_before argument.
8659 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8660 (maybe_eliminate_biv_1): Likewise.
8661 (emit_iv_add_mult): Delete.
8662 (gen_add_mult, loop_regs_update): New.
8663 (loop_insn_emit_after, loop_insn_emit_before): New.
8664 (loop_insn_sink, loop_insn_sink_or_swim): New.
8665 (emit_iv_add_mult): Delete.
8666 (scan_loop): Set loop->sink.
8667 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8668 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8669 (maybe_eliminate_biv_1): Likewise.
8670 (maybe_eliminate_biv_1): Add basic block argument.
8671 * unroll.c (unroll_loop): Remove end_insert_before argument.
8672 (find_splittable_regs): Likewise.
8673 (find_splittable_regs): Use loop_insn_sink and its ilk.
8674 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8676 2001-01-07 Michael Hayes <mhayes@redhat.com>
8678 * loop.h (loop_insn_hoist): New prototype.
8679 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8680 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8681 (check_dbra_loop, load_mems): Likewise.
8682 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8683 (find_splittable_givs): Likewise.
8685 2001-01-07 Michael Hayes <mhayes@redhat.com>
8687 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8689 2001-01-07 Richard Henderson <rth@redhat.com>
8691 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8693 2001-01-07 Richard Henderson <rth@redhat.com>
8695 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8696 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8697 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8698 variant that handles a shared libgcc.
8699 (process_command): Always validate -{static,shared}-libgcc.
8700 (do_spec_1): New 'M' case.
8701 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8703 2001-01-07 Richard Henderson <rth@redhat.com>
8705 * Makefile.in (slibdir): New variable.
8706 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8707 (installdirs): Create slibdir.
8708 (install-libgcc, install-multilib): Defer to libgcc.mk.
8709 * configure.in (slibdir): Substitute.
8710 * mklibgcc.in (install): New target.
8712 * config/t-linux (SHLIB_LINK): Create links for the soname.
8713 (SHLIB_INSTALL): New.
8714 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8715 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8716 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8717 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8718 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8720 2001-01-07 Richard Henderson <rth@redhat.com>
8722 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8723 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8724 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8726 2001-01-07 Michael Hayes <mhayes@redhat.com>
8728 * loop.c (count_loop_regs_set): Delete.
8729 (load_mems_and_recount_loop_regs_set): Delete.
8730 (loop_regs_scan): Merge common code from count_loop_regs_set,
8731 scan_loop, and load_mems_and_recount_loop_regs_set.
8732 (scan_loop): Call load_mems directly and loop_regs_scan
8733 again if new registers created.
8735 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8737 * toplev.c (main): Call the front-end specific post_options
8738 hook if one is given.
8739 * toplev.h (struct_lang_hooks, lang_hooks): New.
8740 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8741 for the C front end.
8742 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8743 lang_hooks for the C++ front end.
8744 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8745 lang_hooks for the ObjC front end.
8746 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8747 * java/lang.c (lang_hooks): Hooks for the Java front end.
8749 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8751 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8752 for verbose DWARF[2] debugging.
8753 (cb_define, cb_undef): The new callbacks.
8754 * toplev.h (debug_define, debug_undef): Make const correct.
8755 * toplev.c (debug_define, debug_undef): Similarly. Do not
8756 perform the verbosity tests here anymore.
8758 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8760 * reload.c (subst_reloads): Take INSN argument. When
8761 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8762 * reload.h (subst_reloads): Adjust prototype.
8763 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8764 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8765 present in JUMP_INSNs and copy them to JUMP_LABEL.
8766 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8767 JUMP_INSNs and insns with REG_LABELs that are followed by
8768 JUMP_INSNs with the same REG_LABEL.
8769 * sched-rgn.c (is_cfg_nonregular): Likewise.
8770 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8772 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8774 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8776 2001-01-06 Richard Henderson <rth@redhat.com>
8778 * loop.c (scan_loop): Use xcalloc for the regs array.
8779 (load_mems_and_recount_loop_regs_set): Zero the new memory
8780 received from xrealloc.
8782 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8784 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8786 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8788 * integrate.c (copy_rtx_and_substitute): When copying
8789 an ignored return value, strip REG_FUNCTION_VALUE_P.
8791 2001-01-06 Michael Hayes <mhayes@redhat.com>
8793 * loop.c (debug_biv, debug_giv): New.
8794 (loop_biv_dump): Break out from ...
8795 (record_biv): ... here.
8796 (loop_giv_dump): Break out from ...
8797 (record_giv): ... here.
8798 (loop_bivs_check): Use print_simple_rtl.
8799 * unroll.c (loop_iterations): Use print_simple_rtl.
8801 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8803 * pa.md (return, return_internal): Modify patterns to prevent regrename
8804 mucking with the return pointer.
8806 2001-01-05 Richard Henderson <rth@redhat.com>
8808 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8810 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8812 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8813 version supplied by Matteo Frigo.
8815 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8817 * cpp.texi: Update for -MQ.
8818 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8819 (cpp_cleanup): Always free pfile->deps.
8820 (initialize_dependency_output): Don't create pfile->deps.
8821 (cpp_handle_option): Similarly.
8823 * gcc.c (cpp_options): Handle -MQ.
8824 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8825 * mkdeps.c (base_name): Remove.
8826 (deps_init): Don't allocate vector space until it's needed.
8827 (deps_free): Only free vectors if allocated.
8828 (deps_add_target, deps_add_dep): Update for initial allocation.
8829 (deps_add_default_target): Don't strip to the base_name.
8831 2001-01-05 DJ Delorie <dj@redhat.com>
8833 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8834 (INIT_EXPANDERS): Define.
8836 * config/v850/v850.c (struct machine_function): Define.
8837 (v850_save_machine_status): New function.
8838 (v850_restore_machine_status): New function.
8839 (v850_return_addr): New function.
8840 (v850_init_expanders): New function.
8842 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8843 and v850_init_expanders.
8845 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8847 * cpplib.h (struct cpp_reader): Add help_only field.
8848 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8849 (cpp_handle_option): Set pfile->help_only if we see -h,
8850 --help, -target-help, or --version. Print version string but
8851 do not set help_only if we see -v or -version. Make text
8852 printed by -v match that printed by (-)-version.
8854 * cppmain.c (main): Exit after option parsing if
8855 pfile->help_only is true.
8857 * toplev.c (independent_decode_option): Call print_version,
8858 then exit, if we see --version (but not -version).
8859 (print_version): Split lengthy message into two lines.
8861 2001-01-05 Nick Clifton <nickc@redhat.com>
8863 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8864 temporary string for initialisation before calling ggc_alloc_string.
8866 2001-01-06 Michael Hayes <mhayes@redhat.com>
8868 * rtl.h (print_simple_rtl): New.
8869 * print-rtl.c (print_simple_rtl): New.
8871 (print_rtx): Disable printing of flags and modes, etc.,
8872 if `flag_simple` nonzero.
8874 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8876 * function.c (fixup_var_refs): Use push_to_full_sequence where
8879 2001-01-05 Michael Meissner <meissner@redhat.com>
8881 * flags.h (flag_reorder_blocks): Add declaration.
8882 (flag_rename_block): Ditto.
8884 2001-01-05 DJ Delorie <dj@redhat.com>
8886 * function.c (reorder_blocks): Make sure the flags are all reset
8887 before using them to mark blocks, else a second invocation will
8888 corrupt the block chain.
8889 (reorder_blocks_0): New, resets the flags.
8891 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8893 * cse.c (find_comparison_args): Stop if the argument is known to
8896 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8898 * config/sh/sh.md (movdf): When splitting load into pair of
8899 registers, don't clobber the register used in the address too
8902 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8904 * varasm.c (mark_constant_pool): Improve initial comments.
8905 (mark_constants): Move marking of constants to mark_constant.
8906 (mark_constant): New function to recursively mark all constants
8907 referred to by a constant.
8909 2001-01-05 Catherine Moore <clm@redhat.com>
8911 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8913 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8915 * cp/lang-options.h: Bring comment in line with reality.
8916 * f/lang-options.h: Likewise.
8917 * java/lang-options.h: Likewise.
8918 * objc/lang-options.h: Likewise.
8919 * ch/lang-options.h: Likewise.
8920 * f/g77.texi: And update the manual.
8922 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8923 Denis Chertykov <denisc@overta.ru>
8925 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8926 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8927 * config/avr/avr.md (all peepholes that request a scratch register):
8928 Call it, FAIL the peephole if not safe (in interrupt functions).
8930 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8932 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8934 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8936 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8938 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8939 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8940 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8941 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8942 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8944 * extend.texi: Document these builtins.
8946 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8948 * c-common.c (lang_get_alias_set): Say we know nothing of
8949 VECTOR_TYPE aliasing.
8951 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8953 2001-01-05 Bruce Korb <bkorb@gnu.org>
8955 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8956 their x* equivalent versions for atexit-less systems
8957 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8958 systems (or any other system any more).
8960 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8962 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8963 output operands. Use arm_hard_register_operand for operand 4.
8964 (stmsi_postinc): Similarly.
8965 (ldmsi): Use arm_hard_register_operand for opernand 2.
8967 * arm.c (arm_hard_register_operand): New function.
8968 * arm-protos.h (arm_hard_register_operand): Prototype it.
8970 * arm.h (HARD_REGNO_RENAME_OK): Define.
8972 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8974 * simplify-rtx.c (cfc_args): add "unordered" field.
8975 (check_fold_consts): Set unordered field.
8976 (simplify_relational_operation): Simplify the unordered
8979 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8982 * emit-rtl.c (try_split): Fix code to mark labels.
8983 * jump.c (mark_jump_label): Make global.
8984 * rtl.h (mark_jump_label): Declare.
8986 * predict.c (estimate_probability): Handle unordred comparisons.
8988 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8990 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8991 * cppinit.c (initialize_dependency_output): Update.
8992 (cpp_finish): Output dummy targets for -MP.
8994 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8995 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8996 * gcc.c (cpp_options): Update to handle -MP.
8997 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8998 to quote only the default target.
8999 (deps_phony_targets): Insert a preceding newline. Rename from
9000 deps_dummy_targets for consistency.
9003 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9005 * calls.c (emit_library_call_value_1): Support
9006 INIT_CUMULATIVE_LIBCALL_ARGS.
9007 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9009 2001-01-04 Richard Henderson <rth@redhat.com>
9011 * c-decl.c (finish_struct): Detect flexible array members
9012 used in an inappropriate context.
9013 * c-typeck.c (really_start_incremental_init): Special case
9014 constructor_max_index for zero length arrays.
9015 (pop_init_level): Allow initialization of flexible array
9016 members. Deprecate initialization of zero length arrays.
9017 Don't issue missing initializer warning for flexible array
9018 members or zero length arrays.
9019 (process_init_element): Don't dereference null DECL_SIZE.
9020 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9021 Don't abort for empty constructors. Use size_binop
9022 (output_constructor): Add commentary regarding zero length
9023 array futures. Abort if we try to initialize an array of
9024 unspecified length with a non-empty constructor in the middle
9027 * extend.texi (Zero Length): Update and clarify documentation
9028 on static initialization.
9030 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9032 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9033 with more than 32767 words of local storage.
9035 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9037 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9038 for 'abs', 'labs', and 'fabs'.
9039 (c4x_expand_builtin): Likewise.
9040 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9042 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9044 * config/sh/sh.md (prget, prset): New insn types.
9045 (return delay slot): Dont' allow prset.
9046 (call, sfunc delay slot): Don't allow prget.
9047 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9048 for prset and prget.
9050 2001-01-05 Michael Hayes <mhayes@redhat.com>
9052 * loop.h (struct loop_reg): New.
9053 (struct loop_regs): Change to use array of `struct loop_reg'.
9054 * loop.c: Replace assortment of varrays with single regs array.
9055 (count_one_set): Delete may_not_move array argument
9056 and use regs array instead. All caller's changed.
9057 (count_loop_regs_set): Delete may_not_move and single_usage
9058 arguments and use regs array instead. All caller's changed.
9059 (find_single_use_in_loop): Replace usage array argument with pointer
9060 to regs structure. All caller's changed.
9061 (loop_optimize): Delete `moved_once' array.
9063 2001-01-05 Michael Hayes <mhayes@redhat.com>
9065 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9066 Use it instead of loop_info->has_call for scanning loop mems.
9067 (check_dbra_loop): Replace loop_info->has_call test with
9068 loop_info->has_nonconst_call.
9070 2000-01-04 Matthew Hiller <hiller@redhat.com>
9072 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9075 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9077 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9078 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9080 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9082 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9083 (flag_short_double, flag_short_wchar): Define.
9084 (c_common_nodes_and_builtins): Create many tree nodes shared
9085 between C and C++ here instead of in cp/decl.c and ...
9086 * c-decl.c (init_decl_processing): ... here.
9087 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9088 (flag_short_double, flag_short_wchar): Don't define.
9089 (record_builtin_type): New function.
9090 (build_void_list_node): New function.
9091 * c-common.h (flag_short_double, flag_short_wchar,
9092 record_builtin_type, build_void_list_node): Declare.
9094 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9096 * integrate.c (expand_inline_function): Don't put a virtual
9097 register into the reg map.
9099 * function.c (fixup_var_refs_1): If force_operand didn't put
9100 the address into the target, move it there.
9102 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9104 Special-case tree_decl/tree_list allocations.
9105 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9106 (OBJECT_SIZE): New macro.
9107 (NUM_EXTRA_ORDER): Likewise.
9108 (extra_order_size_table): New variable.
9109 (NUM_ORDERS): New macro.
9110 (objects_per_page_table): New variable.
9111 (object_size_table): New variable.
9112 (G.pages): Use NUM_ORDERS to bound the array.
9113 (G.page_tails): Likewise.
9114 (DIV_ROUND_UP): Remove.
9115 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9116 (alloc_page): Use OBJECT_SIZE.
9117 (size_lookup): Don't make it const.
9118 (ggc_alloc): Use OBJECT_SIZE.
9119 (ggc_set_mark): Likewise.
9120 (ggc_get_size): Likewise.
9121 (init_ggc): Set up the object_size_table, objects_per_page_table,
9122 and adjust size_lookup.
9123 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9124 (ggc_pop_context): Use NUM_ORDERS.
9125 (clear_marks): Likewise.
9126 (sweep_pages): Likewise.
9127 (poison_pages): Likewise.
9128 (ggc_print_statistics): Use OBJECT_SIZE.
9130 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9132 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9133 Only call array_size_for_constructor if last field and array type
9134 with no upper bound.
9136 2001-01-04 Philip Blundell <philb@gnu.org>
9138 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9139 from bit 31 downwards, if this requires no more insns.
9140 (count_insns_for_constant): New helper function for above.
9142 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9144 * gencodes.c (output_predicate_decls): Remove empty initializer.
9146 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9148 * tree.c (copy_node): Remove documentation about obstacks.
9149 (buidl1): Check that nobody tries to build 2-argument nodes this
9152 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9154 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9157 * gencodes.c (output_predicate_decls): Fill empty initializer
9160 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9162 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9163 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9165 (do_include): Handle missing headers like cpp0.
9166 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9167 paths with first include pathname. Don't strcat to uninitialized
9170 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9172 * regrename.c (regrename_optimize): Don't rename from frame pointer
9173 if frame_pointer_needed.
9174 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9175 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9176 (ia64_reorg): Use it instead of scheduling if ! optimize.
9177 (errata_emit_nops): Properly call asm_noperands.
9178 (ia64_sched_reorder): Finish cycle if we see an asm.
9179 (ia64_variable_issue): Clear scheduling state after asms.
9181 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9183 * cpp.texi: Update for -MT.
9184 * cppinit.c (initialize_dependency_output): Add a default
9185 target if none has been given already.
9186 (no_tgt, OPT_MT): New.
9187 (cpp_handle_option): Handle -MT. Update -M etc.
9188 * cpplib.h (struct cpp_options): Remove deps_target.
9189 * gcc.c (cpp_options): Handle -MT.
9190 * mkdeps.c (struct deps): Move from mkdeps.h.
9191 (deps_calc_target): Rename deps_add_default_target. Add a
9192 default target if none has been specified already.
9193 * mkdeps.h (struct deps): Move to mkdeps.c.
9194 (deps_calc_target): Rename deps_add_default_target.
9196 2000-01-03 Richard Henderson <rth@redhat.com>
9198 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9200 * c-typeck.c (push_init_level): Move checks for flexible array
9201 members and zero length arrays ...
9202 (pop_init_level): ... here. Silently discard empty initializations.
9204 * varasm.c (output_constructor): Update for sizeof change to
9207 * extend.texi (Zero Length): Clarify semantics.
9209 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9211 * configure.in (tm.h): Include isns-codes.h last.
9212 * configure: Rebuilt.
9214 2001-01-03 Richard Henderson <rth@redhat.com>
9216 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9217 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9219 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9221 * tradcpp.c (main): Make sure finclude() is called with a valid
9222 indepth value while handling -include.
9224 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9226 * gencodes.c (output_predicate_decls): New function.
9228 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9229 even if it is not the first time machmode.h is #included.
9230 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9231 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9232 * gcc.texi (Copyright): Added 2001.
9234 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9236 * c-common.c (c_common_lang_init): New function. Warn if format
9237 warning options which only have effects when used with -Wformat
9238 are used without -Wformat.
9239 * c-common.h (c_common_lang_init): Declare.
9240 * c-lang.c (lang_init): Call c_common_lang_init.
9241 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9243 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9245 * configure.in: Check for the mktemp command.
9246 * configure: Regenerate.
9247 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9248 $TEMP. Create temporary files with mktemp, if available at
9249 configure time; otherwise use set -C. Remove temporary files
9252 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9254 * configure.in: Require at least texinfo 4.0. Check for whether
9255 Pod::Man is sufficiently recent to regenerate GCC manpages.
9256 * configure: Regenerate.
9257 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9259 (GENERATED_MANPAGES): Define.
9260 (generated-manpages): New target. Depend on cpp.1 as well as
9262 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9263 configure to generated-manpages or empty) rather than on the
9264 manpages directly. Remove execute permission from installed
9265 gcov.1 as well as cpp.1.
9266 * cpp.1, gcov.1: Regenerate.
9268 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9270 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9271 tree_low_cst. Allow using cmpstrsi in more cases.
9273 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9275 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9278 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9280 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9281 * Makefile.in (HOST_CFLAGS): Mention build-make.
9283 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9285 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9288 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9290 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9293 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9296 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9297 reg_base_value and reg_known_value arrays.
9298 (init_alias_analysis): Add more cases to detect known values.
9299 * sched-deps.c (deps_may_trap_p): New function.
9300 (sched_analyze_2): Use it.
9302 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9304 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9305 don't discard an ASHIFTRT if we're shifting in a wider mode.
9307 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9309 * toplev.c (rest_of_compilation): Don't print basic block information
9310 when CFG isn't up to date.
9312 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9314 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9315 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9316 (UNALIGNED_SHORT_ASM_OP): Define.
9317 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9319 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9321 * fold-const.c (fold_convert): Fix typo.
9323 2001-01-02 Richard Henderson <rth@redhat.com>
9325 * c-common.h (ASM_INPUT_P): New.
9326 * c-parse.in (asm): Set it when needed.
9327 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9328 existance of an operand.
9330 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9332 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9333 (dwarf2out_frame_debug_expr): Likewise.
9334 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9336 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9338 * i386.c (ix86_split_to_parts): Return number of part required;
9340 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9342 (ix86_split_long_move): Use number of part returned
9343 by ix86_split_to_parts
9344 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9346 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9347 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9348 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9349 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9350 (ALIGN_MODE_128): Add TFmode.
9351 (IS_STACK_MODE): Likewise.
9352 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9353 (HARD_REGNO_OK): Support TFmodes.
9354 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9355 * i386.md (scheduler definitions): Use memory operand to determine
9356 fst/fld instructions; use mode attribute to determine real mode of
9358 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9359 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9361 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9363 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9365 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9367 * expr.c (store_constructor_field): Update ALIGN before calling
9370 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9372 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9375 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9377 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9380 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9382 * c-decl.c (start_function): Don't warn on third parameter to main.
9384 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9386 * tsystem.h: Define HAVE_DECL_GETOPT.
9388 2001-01-02 Philip Blundell <pb@futuretv.com>
9390 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9393 2001-01-02 Richard Henderson <rth@redhat.com>
9395 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9397 2001-01-02 Andreas Jaeger <aj@suse.de>
9399 * c-decl.c (c_decode_option): Remove support of
9402 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9403 (W_options): Add -Wmissing-noreturn here.
9405 * flow.c: Define lang_missing_noreturn_ok_p.
9406 (check_function_return_warnings): Use it.
9408 * c-common.h: Declare lang_missing_noreturn_ok_p.
9410 * c-lang.c (c_missing_noreturn_ok_p): New function.
9411 (lang_init): Set lang_missing_noreturn_ok_p.
9413 * invoke.texi (Warning Options): Document this.
9415 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9417 * extend.texi (C++ Extensions): New node for C++ attributes;
9418 describe init_priority and com_interface.
9419 * invoke.texi: Remove -finit-priority as it now has zero effect.
9420 * install.texi: Fix xref syntax.
9421 * md.texi: Likewise.
9423 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9425 * config.gcc (sparc64-wrs-vxworks*): New case.
9426 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9428 * config/sparc/sparc.c (sparc_override_options): Do support different
9429 pointer and architecture size.
9430 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9431 (POINTERS_EXTEND_UNSIGNED): Define.
9432 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9433 (FUNCTION_MODE): Define to be Pmode.
9434 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9436 * function.c (expand_function_end): Properly handle DECL_RESULT
9437 and copy when ptr_mode != Pmode.
9438 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9440 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9442 * c-common.c (c_common_nodes_and_builtins): Set prototype
9443 parameters for __builtin_fputs, __builtin_fputc and
9444 __builtin_fwrite. Don't declare plain fputc as a builtin.
9446 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9448 * loop.c (add_label_notes): Increment the label usage count when
9449 a note is added to an insn which refers to a CODE_LABEL.
9450 * gcse.c (add_label_notes): Likewise.
9452 2001-01-01 Andreas Jaeger <aj@suse.de>
9454 * loop.c (scan_loop): Use xmalloc to allocate movables.
9456 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9458 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9459 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9460 * reload1.c (REGISTER_MOVE_COST): Likewise.
9461 * regclass.c (REGISTER_MOVE_COST): Likewise.
9462 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9463 dimension. Adjust all users.
9464 (init_reg_sets_1): Iterate on all modes.
9465 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9466 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9467 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9468 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9469 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9470 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9471 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9472 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9473 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9474 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9475 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9476 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9477 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9478 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9479 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9480 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9481 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9482 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9483 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9484 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9485 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9486 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9487 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9488 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9489 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9490 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9491 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9493 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9495 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9496 arg VARIES_P. Call it with extra arg.
9497 (true_dependence): Likewise.
9498 * rtl.h (rtx_addr_can_trap_p): Declare.
9499 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9501 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9502 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9503 pic offset table register if it's zero. All callers changed.
9504 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9506 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9508 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9509 STRING_POOL_ADDRESS_P.
9511 * config/sparc/sparc.c (input_operand): Properly test for short op.
9513 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9514 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9515 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9516 * config/sparc/elf.h: No longer include sol2.h.
9517 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9518 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9520 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9522 2001-01-01 Michael Hayes <mhayes@redhat.com>
9524 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9525 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9526 (record_initial): Likewise.
9527 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9528 (remap_split_bivs): Likewise.
9530 2001-01-01 Michael Hayes <mhayes@redhat.com>
9532 * loop.c (loop_ivs_free): New function.
9533 (strength_reduce): Break out from...
9535 2001-01-01 Michael Hayes <mhayes@redhat.com>
9537 * loop.h (struct iv): New.
9538 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9539 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9540 'reg_biv_class' fields with 'regs' and 'n_regs'.
9541 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9542 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9543 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9545 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9547 * resource.c (mark_referenced_resources): Abort() before
9548 attempting to mark a pseudo register.
9549 (mark_set_resources): Likewise.
9551 2001-01-01 Michael Hayes <mhayes@redhat.com>
9553 * loop.h (REG_IV_CLASS): New accessor macro.
9554 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9555 * unroll.c (REG_IV_CLASS): Likewise.
9557 See ChangeLog.4 for earlier changes.